gcc/ChangeLog.graphite

   1 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
   4         SCOP_CONTEXT.
   5         (build_loop_iteration_domains): Extract bounds on parameters
   6         based on the data size.
   7         (build_scop_context): Do not initialize SCOP_CONTEXT;
   8         add new constraints.
   9
  10 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  11
  12         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
  13         * graphite-ppl.h (graphite-ppl.h): Declared.
  14
  15 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  16
  17         * graphite-ppl.c (ppl_print_linear_expr): New.
  18         (debug_ppl_linear_expr): New.
  19         * graphite-ppl.h (ppl_print_linear_expr): Declared.
  20         (debug_ppl_linear_expr): Declared.
  21
  22 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
  23
  24         * graphite-interchange.c: Fix comments.
  25         * gcc.dg/graphite/block-1.c: Fix comments.
  26
  27 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
  28
  29         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
  30         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
  31
  32 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
  33
  34         Reapply the patch from Alexander Monakov that disappeared during
  35         the last merges from trunk.
  36
  37         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
  38
  39         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
  40         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
  41
  42 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
  43
  44         * graphite-interchange.c (memory_stride_in_loop): The depth
  45         argument corresponds to a dynamic time dimension, so use
  46         psct_dynamic_dim to refer to the transformed scattering dimension.
  47
  48 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
  49
  50         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
  51
  52 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
  53
  54         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
  55         root of the LST.
  56         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
  57         the root of the LST.
  58         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
  59         fake loop.
  60         (print_lst): Print the root of LST in a different format.
  61         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
  62
  63 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
  64
  65         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
  66
  67 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
  68
  69         * doc/passes.texi: Document the Graphite infrastructure.
  70
  71 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
  72
  73         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
  74         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
  75         and check the SSA representation.
  76
  77         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
  78
  79 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
  80
  81         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
  82
  83 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
  84
  85         * gcc.dg/graphite/interchange-11.c: New.
  86
  87 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
  88
  89         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
  90
  91 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
  92
  93         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
  94         Add -fno-loop-strip-mine and -fno-loop-interchange.
  95         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
  96         -fno-loop-strip-mine.
  97         * gfortran.dg/graphite/graphite.exp: Same.
  98
  99 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 100
 101         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 102         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
 103         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
 104         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
 105         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
 106         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
 107         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
 108         DEFAULT_FLAGS_GRAPHITE_SCOP.
 109         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
 110         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
 111
 112 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 113
 114         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
 115
 116 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 117             Sebastian Pop  <sebastian.pop@amd.com>
 118
 119         * graphite-interchange.c (build_linearized_memory_access): Pass an
 120         offset as parameter.
 121         (memory_stride_in_loop): Include transform scattering in the
 122         access functions to be able to querry the strides in the
 123         transformed loops.
 124         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
 125         not the psct_iterator_dim.
 126
 127 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 128
 129         * graphite-blocking.c (pbb_do_strip_mine): Removed.
 130         (lst_do_strip_mine_loop): New.
 131         (lst_do_strip_mine): New.
 132         (scop_do_strip_mine): Call lst_do_strip_mine.
 133         * graphite-poly.h (lst_add_loop_under_loop): New.
 134         (lst_find_first_pbb): New.
 135
 136 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 137
 138         * graphite-poly.c (loop_to_lst): Fix LST creation.
 139
 140 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 141
 142         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
 143         sizeof(unsigned long) to make it run on 32bit systems.
 144
 145 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 146
 147         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
 148         SEGFAULT on 32bit.
 149
 150 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 151
 152         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
 153         Comment.
 154         (write_alias_graph_to_ascii_dot): New.
 155         (write_alias_graph_to_ascii_ecc): Ditto.
 156         (partition_drs_to_sets): Add testing of optimality of current method
 157         which assigns alias numbers according to DFS Comopnent number.  used
 158         as heuristic for the upcoming ECC algorithm.
 159         (build_scop_drs): Write to file also with the ecc and dot format.
 160
 161 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 162
 163         * gfortran.dg/graphite/interchange-1.f: XFail.
 164
 165 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 166
 167         * graphite.c (graphite_initialize): Do not handle functions with
 168         more than 100 basic blocks.
 169
 170 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 171
 172         * graphite-blocking.c (pbb_do_strip_mine): Use
 173         PARAM_LOOP_BLOCK_TILE_SIZE.
 174
 175 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 176
 177         * graphite-poly.c (dot_lst_1): New.
 178         (dot_lst): New.
 179         * graphite-poly.h (dot_lst): Declared.
 180
 181 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 182
 183         * graphite-dependences.c (dot_deps_stmt_1): New.
 184         (dot_deps_stmt): New.
 185         * graphite-dependences.h (dot_deps_stmt): Declared.
 186
 187 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 188
 189         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
 190         not replace cross BB scalar dependences ending on PHI nodes.
 191         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
 192
 193 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 194
 195         * graphite-poly.c (apply_poly_transforms): Implement the high
 196         level driver for flag_loop_block.
 197         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
 198         flag_loop_block.
 199
 200         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
 201         -floop-block.
 202         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 203         Add -floop-block.
 204
 205 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 206
 207         * graphite-poly.h (lst_find_pbb): New.
 208         (find_lst_loop): New.
 209
 210 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 211
 212         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
 213         * graphite-poly.h (struct scop): Remove dep_graph field.
 214         (SCOP_DEP_GRAPH): Removed.
 215
 216 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 217
 218         * graphite-poly.h (copy_lst): Do full copy of LST.
 219
 220 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
 221
 222         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
 223         when the loop stride is zero.
 224
 225         * gcc.dg/graphite/id-16.c: New.
 226
 227 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 228
 229         * graphite-dependences.c (reduction_dr_1): New.
 230         (reduction_dr_p): New.
 231         (graphite_legal_transform_dr): Call reduction_dr_p.
 232         (reduction_ddr): Renamed reduction_ddr_p.
 233         * graphite-poly.h (same_pdr_p): New.
 234         (number_of_write_pdrs): New.
 235         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
 236         (split_reduction_stmt): Do not split reduction statements
 237         when there are no writes to memory.
 238         (translate_scalar_reduction_to_array_for_stmt): Insert the
 239         memory reduction statement just after the scalar reduction statement.
 240
 241         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
 242         Un-XFAIL-ed.
 243         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
 244         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
 245
 246 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 247
 248         * graphite-interchange.c (lst_apply_interchange): New.
 249         (lst_interchange_profitable_p): New.
 250         (lst_try_interchange_loops): New.
 251         (lst_try_interchange): New.
 252         (lst_do_interchange): New.
 253         (pbb_do_interchange): Removed.
 254         (scop_do_interchange): Call lst_do_interchange.
 255
 256 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 257
 258         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
 259         SCOP_TRANSFORMED_SCHEDULE.
 260         (loop_to_lst): New.
 261         (scop_to_lst): New.
 262         (print_lst): New.
 263         (debug_lst): New.
 264         * graphite-poly.h (lst_p): New.
 265         (struct lst): New.
 266         (LST_LOOP_P): New.
 267         (LST_LOOP_FATHER): New.
 268         (LST_PBB): New.
 269         (LST_SEQ): New.
 270         (scop_to_lst): Declared.
 271         (print_lst): Declared.
 272         (debug_lst): Declared.
 273         (new_lst_loop): New.
 274         (new_lst_stmt): New.
 275         (copy_lst): New.
 276         (lst_depth): New.
 277         (lst_dewey_number): New.
 278         (struct scop): Add original_schedule and transformed_schedule fields.
 279         (SCOP_ORIGINAL_SCHEDULE): New.
 280         (SCOP_TRANSFORMED_SCHEDULE): New.
 281         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
 282
 283 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 284
 285         * graphite-dependences.c (reduction_ddr): New.
 286         (graphite_legal_transform_bb): Call reduction_ddr.
 287         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
 288         Initialize PBB_IS_REDUCTION.
 289         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
 290         (PBB_IS_REDUCTION): New.
 291         (new_poly_bb): Update declaration.
 292         * graphite-scop-detection.h (build_scop_bbs): Removed.
 293         (nb_reductions_in_loop): Removed.
 294         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
 295         parameter for reductions.
 296         (try_generate_gimple_bb): Update call to new_poly_bb.
 297         (build_scop_bbs_1): Same.
 298         (build_scop_bbs): Same.
 299         (gsi_for_phi_node): New.
 300         (scalar_close_phi_node_p): Remove gcc_assert.
 301         (split_reduction_stmt): New.
 302         (is_reduction_operation_p): New.
 303         (phi_contains_arg): New.
 304         (follow_ssa_with_commutative_ops): New.
 305         (detect_commutative_reduction_arg): New.
 306         (detect_commutative_reduction_assign): New.
 307         (follow_inital_value_to_phi): New.
 308         (edge_initial_value_for_loop_phi): New.
 309         (initial_value_for_loop_phi): New.
 310         (detect_commutative_reduction): New.
 311         (translate_scalar_reduction_to_array_for_stmt): New.
 312         (insert_copyout): New.
 313         (insert_copyin): New.
 314         (translate_scalar_reduction_to_array): New.
 315         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
 316         (rewrite_commutative_reductions_out_of_ssa_loop): New.
 317         (rewrite_commutative_reductions_out_of_ssa): New.
 318         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
 319         * sese.h (split_region_for_bb): New.
 320
 321         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
 322         * gcc.dg/graphite/interchange-1.c: Fix format.
 323         * gcc.dg/graphite/interchange-10.c: New.
 324
 325 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 326
 327         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
 328         buggy assert.
 329
 330 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 331
 332         * graphite-sese-to-poly.c (scev_analyzable_p): New.
 333         (rewrite_cross_bb_scalar_dependence): New.
 334         (rewrite_cross_bb_scalar_deps): New.
 335         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
 336         Call rewrite_cross_bb_scalar_deps.
 337
 338 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 339
 340         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
 341         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
 342         gsi_for_stmt.
 343
 344 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 345
 346         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
 347         * graphite-interchange.c (pbb_do_interchange): Same.
 348         * graphite-poly.c (print_scattering_function): Same.
 349         (debug_pdrs): Same.
 350         * graphite-poly.h (pbb_loop): New.
 351         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
 352
 353 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 354
 355         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
 356
 357 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 358
 359         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
 360         so don't pass a pointer to it.
 361         (build_alias_set_for_drs): Same.
 362         (build_base_obj_set_for_drs): Same.
 363         (build_scop_drs): Same.
 364
 365 2009-09-26  Li Feng  <nemokingdom@gmail.com>
 366
 367         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
 368         the alias graph of data references.
 369
 370 2009-09-25  Li Feng  <nemokingdom@gmail.com>
 371
 372         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
 373         (build_scop_drs): When debugging, write the alias graph to file,
 374         otherwise, should be disabled.
 375
 376 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
 377
 378         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
 379         (is_simple_operand): Remove call to stmt_simple_memref_p.
 380         (stmt_simple_for_scop_p): Update call to is_simple_operand.
 381
 382 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
 383
 384         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
 385         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
 386         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
 387         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
 388         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
 389
 390 2009-09-17 Li Feng  <nemokingdom@gmail.com>
 391
 392         PR middle-end/41118
 393         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
 394         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
 395         (graphite_carried_dependence_level_k): Ditto.
 396         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
 397         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
 398         (new_poly_dr): Adjust declaration.
 399         * graphite-sese-to-poly.c (free_data_refs_aux): New.
 400         (free_gimple_bb): Added free_data_refs_aux.
 401         (build_poly_dr): Add dr_base_object_set.
 402         (partition_drs_to_sets): New.
 403         (dr_same_base_object_p): New.
 404         (build_alias_set_for_drs): New.
 405         (build_base_object_set_for_drs): New.
 406         (build_scop_drs): Add build_base_obj_set_for_drs.
 407         * graphite-sese-to-poly.h: Added #define for alias set number index and
 408         base object set index.
 409         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
 410         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
 411
 412 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 413
 414         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 415         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 416
 417 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 418
 419         * graphite-sese-to-poly.c (struct irp_data): Removed.
 420         (idx_record_params): Removed.
 421         (find_params_in_bb): Scan for parameters the access functions; don't
 422         parse the tree representation.
 423
 424 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 425
 426         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
 427         passes at -O1 and below.
 428
 429 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 430
 431         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 432         tree-scalar-evolution.h, and then tree-data-ref.h.
 433         * graphite-clast-to-gimple.c: Same.
 434         * graphite-dependences.c: Same.
 435         * graphite-interchange.c: Same.
 436         * graphite-poly.c: Same.
 437         * graphite-scop-detection.c: Same.
 438         * graphite-sese-to-poly.c: Same.
 439         * graphite.c: Same.
 440         * lambda-code.c: Same.
 441         * matrix-reorg.c: Same.
 442         * tree-data-ref.c: Same.
 443         * tree-if-conv.c: Same.
 444         * tree-loop-distribu: Same.: Same.
 445         * tree-loop-linear.c: Same.
 446         * tree-parloops.c: Same.
 447         * tree-predcom.c: Same.
 448         * tree-vect-patterns.c: Same.
 449
 450 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
 451
 452         Partially revert the previous patch, except the following.
 453         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
 454         as parameters the operands of the not expression.
 455
 456 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 457
 458         * tree-scalar-evolution.c (instantiate_scev_assign): New.
 459         Do not call analyze_scalar_evolution on assignments.
 460         (instantiate_scev_phi): Call analyze_scalar_evolution.
 461         (instantiate_scev_name): Call instantiate_scev_assign and
 462         instantiate_scev_phi.
 463         (instantiate_scev_not): Adapted to pass as parameters the operands
 464         of the not expression.
 465
 466 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 467
 468         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
 469         to pass as parameters the operands of the binary expression.
 470
 471 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 472
 473         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
 474         instantiate_scev_not.  Handle NEGATE_EXPR.
 475         (instantiate_scev_r): Handle NEGATE_EXPR.
 476
 477 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 478
 479         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
 480         instantiate_scev_r.
 481         (instantiate_scev_r): Move code in instantiate_scev_2
 482         and instantiate_scev_1.
 483
 484 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 485
 486         * tree-scalar-evolution.c (instantiate_scev_3): New.
 487         (instantiate_scev_1): Move code in instantiate_scev_3.
 488
 489 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 490
 491         * tree-scalar-evolution.c (instantiate_scev_poly): New.
 492         (instantiate_scev_1): Move code in instantiate_scev_poly.
 493
 494 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 495
 496         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
 497         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
 498
 499 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 500
 501         * tree-scalar-evolution.c (instantiate_scev_convert): New.
 502         (instantiate_scev_1): Move code in instantiate_scev_convert.
 503
 504 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 505
 506         * tree-scalar-evolution.c (instantiate_scev_binary): New.
 507         (instantiate_scev_1): Move code in instantiate_scev_binary.
 508
 509 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 510
 511         * tree-scalar-evolution.c (instantiate_scev_name): New.
 512         (instantiate_scev_1): Move code in instantiate_scev_name.
 513
 514 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
 515
 516         * Merge from mainline (150992:151171).
 517
 518 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 519
 520         * graphite-dependences.c (graphite_legal_transform_bb): Call
 521         pbb_remove_duplicate_pdrs.
 522         * graphite-poly.c (can_collapse_pdr): Removed.
 523         (pdr_find_duplicate): Removed.
 524         (can_collapse_pdrs): New.
 525         (pbb_remove_duplicate_pdrs): New.
 526         (new_poly_dr): Do not look for duplicates.
 527         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
 528         (PBB_PDR_DUPLICATES_REMOVED): New.
 529         (pbb_remove_duplicate_pdrs): Declared.
 530
 531 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 532
 533         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
 534         the strides by multiplying by PDR_NB_REFS.
 535         * graphite-poly.c (can_collapse_pdr): New.
 536         (pdr_find_duplicate): New.
 537         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
 538         Initialize PDR_NB_REFS.
 539         * graphite-poly.h (struct poly_dr): Add field nb_refs.
 540         (PDR_NB_REFS): New.
 541         (new_poly_dr): Number of subscripts is a graphite_dim_t.
 542
 543 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 544
 545         Revert one of the previous commits:
 546         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 547         the computation of symmetric data dependence relations.
 548         (dependency_between_pbbs_p): Same.
 549
 550 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 551
 552         PR middle-end/40965
 553         * graphite-poly.c (apply_poly_transforms): Remove legality test before
 554         any transform.
 555
 556 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 557
 558         * graphite-dependences.c (pddr_original_scattering): Return NULL
 559         for read-read dependence relations.
 560         * graphite-poly.h (enum poly_dr_type): Fix comment.
 561         (pdr_read_p): New.
 562         (pdr_write_p): New.
 563         (pdr_may_write_p): New.
 564
 565 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 566
 567         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
 568         (struct poly_dr): Same.
 569         (new_poly_dr): Same.
 570         * graphite-poly.c (new_poly_dr): Same.
 571
 572 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 573             Sebastian Pop  <sebastian.pop@amd.com>
 574
 575         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
 576         pbb_strip_mine_time_depth.  Changed the implementation so that
 577         transformation is expressed as a transformation on
 578         time (scatttering) dimensions.  Also, ensures that the 2d+1
 579         scheduling format is preserved.
 580         (pbb_strip_mine_profitable_p): Profitability is based on the
 581         iteration number of a given time (scattering) dimension,
 582         and not on a original loop depth dimension.
 583         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
 584         (pbb_do_strip_mine): Call psct_dynamic_dim.
 585         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
 586         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
 587         (pbb_nb_dynamic_scattering_transform): New.
 588         (psct_dynamic_dim): New.
 589
 590 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 591
 592         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 593         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 594         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
 595         * graphite-interchange.c (build_linearized_memory_access): Same.
 596         (memory_stride_in_loop): Same.
 597
 598 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 599
 600         * graphite-dependences.c (pddr_original_scattering): New.
 601         (graphite_legal_transform_dr): Call pddr_original_scattering.
 602         (dot_deps_1): New.
 603         (dot_deps): New.
 604         * graphite-dependences.h (dot_deps): Declared.
 605         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
 606         (print_pdr): Print PDR_ID.
 607         * graphite-poly.h (struct poly_dr): Add field id.
 608         (PDR_ID): New.
 609         (pbb_index): New.
 610         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
 611
 612 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
 613
 614         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
 615         not delete the original dependence relation.
 616
 617 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 618
 619         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 620         the computation of symmetric data dependence relations.
 621         (dependency_between_pbbs_p): Same.
 622
 623 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 624
 625         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
 626         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
 627         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
 628         (free_poly_ddr): New.
 629         (pddr_is_empty): New.
 630         (dependence_polyhedron_1): Now returns a poly_ddr_p.
 631         (dependence_polyhedron): Same.  Remove useless gcc_assert.
 632         Remove fprintfs.
 633         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
 634         (graphite_carried_dependence_level_k): Call pddr_is_empty.
 635         * graphite-dependences.h (enum poly_dependence_kind): New.
 636         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
 637         (PDRP_SOURCE): Renamed PDDR_SOURCE.
 638         (PDRP_SINK): Renamed PDDR_SINK.
 639         (PDRP_DDP): Renamed PDDR_DDP.
 640         (PDDR_KIND): New.
 641         (free_poly_ddr): Declared.
 642         * graphite-poly.c (new_scop): Use the new hash function names.
 643         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
 644         into original_pddrs.
 645         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
 646
 647 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 648
 649         * Merge from mainline (150764:150992).
 650
 651 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 652
 653         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
 654         bounds with LT_EXPR to make niter analysis more precise on code
 655         generated by Graphite.
 656
 657 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 658
 659         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
 660         (graphite_legal_transform_bb): Same.
 661         (poly_drs_may_alias_p): Same.
 662
 663 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
 664
 665         PR middle-end/40981
 666         * graphite-ppl.c (ppl_max_for_le): Correct the use of
 667         ppl_Pointset_Powerset_C_Polyhedron_maximize.
 668
 669 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 670
 671         * graphite-poly.c (print_pbb): Print PBB index.
 672
 673 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 674
 675         * Merge from mainline (r150672:150764).
 676
 677 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 678
 679         * graphite-interchange.c (ppl_max_for_le): Moved...
 680         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
 681         * graphite-ppl.c (ppl_max_for_le): ... here.
 682         * graphite-ppl.h (ppl_max_for_le): Declared.
 683
 684 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 685
 686         * Merge from mainline (r150372:150672).
 687
 688 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 689
 690         PR middle-end/40980
 691         * sese.c (convert_for_phi_arg): New.
 692         (add_guard_exit_phis): Use convert_for_phi_arg.
 693
 694         * testsuite/gfortran.dg/graphite/id-17.f: New.
 695
 696 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 697
 698         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
 699         unknown subscript upper bounds.
 700
 701         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
 702
 703 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 704             Pranav Garg  <pranav.garg2107@gmail.com>
 705
 706         * graphite-interchange.c (gather_access_strides): Removed.
 707         (ppl_max_for_le): New.
 708         (build_linearized_memory_access): New.
 709         (memory_stride_in_loop): New.
 710         (pbb_interchange_profitable_p): Reimplemented.
 711         * graphite-ppl.h (ppl_new_id_map): New.
 712         (ppl_interchange): New.
 713
 714         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
 715
 716 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 717
 718         * graphite-interchange.c (compute_subscript): Removed.
 719         (compute_array_size_cstr): Removed.
 720         (compute_array_size_poly): Removed.
 721         (compute_array_size): Removed.
 722         (gather_access_strides_poly): Removed.
 723         (gather_access_strides): Empty.
 724
 725 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 726
 727         * graphite-dependences.c (dependence_polyhedron_1): Replace
 728         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
 729         (graphite_legal_transform_dr): Same.
 730         (graphite_carried_dependence_level_k): Same.
 731         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
 732         Initialize PDR_NB_SUBSCRIPTS.
 733         (print_pdr_access_layout): Replace pdr_nb_subscripts with
 734         PDR_NB_SUBSCRIPTS.
 735         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
 736         (PDR_NB_SUBSCRIPTS): New.
 737         (pdr_nb_subscripts): Removed.
 738         (pdr_dim): Simplified.
 739         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
 740         with PDR_NB_SUBSCRIPTS.
 741
 742 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 743
 744         * graphite-interchange.c (compute_array_size): Remove use of
 745         PDR_DATA_CONTAINER.
 746         * graphite-poly.c (new_poly_dr): Remove argument data_container.
 747         Do not initialize PDR_DATA_CONTAINER.
 748         (print_pdr): Do not print PDR_DATA_CONTAINER.
 749         * graphite-poly.h (struct poly_dr): Remove data_container field.
 750         (PDR_DATA_CONTAINER): Removed.
 751         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
 752         PDR_DATA_CONTAINER.
 753         (build_poly_dr): Same.
 754
 755 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 756
 757         * testsuite/gcc.dg/graphite/interchange-9.c: New.
 758
 759 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 760             Sebastian Pop  <sebastian.pop@amd.com>
 761
 762         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
 763         copy of the dependence polyhedron.  Free the temporary objects.
 764         (graphite_carried_dependence_level_k): Free unused objects before
 765         returning.
 766
 767         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
 768         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
 769         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
 770         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
 771         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
 772
 773 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 774
 775         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
 776         Early return without analyzing the data dependences if no
 777         transform has been done.  Call restore_scattering if the transform
 778         is not legal.
 779         (graphite-interchange.c): Same.
 780         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
 781         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
 782         (apply_poly_transforms): Do not gcc_assert that
 783         the transform is legal.
 784         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 785         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
 786         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
 787         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 788         * graphite-poly.h (struct poly_scattering): New.
 789         (struct poly_bb): Add original, transformed, and saved fields.
 790         Remove transformed_scattering, original_scattering, nb_local_variables,
 791         and nb_scattering_transform fields.
 792         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
 793         (poly_scattering_new): New.
 794         (poly_scattering_free): New.
 795         (poly_scattering_copy): New.
 796         (store_scattering_pbb): New.
 797         (store_scattering): New.
 798         (restore_scattering_pbb): New.
 799         (restore_scattering): New.
 800         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
 801         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
 802
 803 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 804
 805         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
 806         (print_scop): Same.
 807
 808 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 809
 810         * Makefile.in (graphite.o): Depends on PREDICT_H.
 811         * graphite.c: Include predict.h.
 812         (graphite_finalize): Call tree_estimate_probability.
 813         * predict.c (predict_loops): Do not call scev_initialize and
 814         scev_finalize.
 815         (tree_estimate_probability_bb): New.
 816         (tree_estimate_probability): Do not initialize loops: move that
 817         code to the driver.  Call tree_estimate_probability_bb.
 818         (tree_estimate_probability_driver): New.
 819         (pass_profile): Use tree_estimate_probability_driver.
 820         * predict.h (tree_estimate_probability): Declared.
 821
 822 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 823
 824         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
 825         * graphite-dependences.c (graphite_legal_transform): Add time to
 826         TV_GRAPHITE_DATA_DEPS.
 827         (dependency_between_pbbs_p): Same.
 828         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
 829
 830 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
 831
 832         * Merge from mainline (r149952:150372).
 833
 834 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 835
 836         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
 837         * graphite-blocking.c: Same.
 838         * graphite-clast-to-gimple.c: Same.
 839         * graphite-dependences.c: Same.
 840         * graphite-poly.c: Same.
 841         * graphite-poly.h: Same.
 842         * graphite-ppl.c: Same.
 843         * graphite-scop-detection.c: Same.
 844         * graphite-sese-to-poly.c: Same.
 845         * graphite.c: Same.
 846
 847 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 848
 849         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
 850         (remove_simple_copy_phi): New.
 851         (remove_invariant_phi): New.
 852         (simple_copy_phi_p): New.
 853         (reduction_phi_p): New.
 854         (gsi_for_ssa_name_def): New.
 855         (insert_out_of_ssa_copy): New.
 856         (insert_out_of_ssa_copy_on_edge): New.
 857         (create_zero_dim_array): New.
 858         (scalar_close_phi_node_p): New.
 859         (rewrite_close_phi_out_of_ssa): New.
 860         (rewrite_phi_out_of_ssa): New.
 861         (rewrite_reductions_out_of_ssa): New.
 862         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
 863
 864         * testsuite/gcc.dg/graphite/id-11.c: New.
 865         * testsuite/gcc.dg/graphite/id-15.c: New.
 866         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
 867         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
 868         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
 869         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
 870         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
 871         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
 872         * testsuite/gfortran.dg/graphite/id-13.f: New.
 873         * testsuite/gfortran.dg/graphite/id-5.f: New.
 874
 875 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 876
 877         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
 878         check that nb_reductions_in_loop is zero.
 879         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
 880         reduction phi nodes.
 881         (nb_reductions_in_loop): Removed.
 882         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
 883         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
 884         (bb_contains_non_iv_scalar_phi_nodes): Removed.
 885         (scop_contains_non_iv_scalar_phi_nodes): Removed.
 886         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
 887
 888 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 889
 890         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
 891         statements that have an empty iteration domain.
 892         * testsuite/gfortran.dg/graphite/id-16.f: New.
 893
 894 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 895
 896         * tree-scalar-evolution.c (instantiate_scev_1): Return
 897         chrec_dont_know when the result is not above instantiate_below.
 898         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
 899         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
 900         the tree has a known scalar evolution.
 901         * testsuite/gfortran.dg/graphite/id-14.f: New.
 902         * testsuite/gfortran.dg/graphite/id-15.f: New.
 903
 904 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 905
 906         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
 907         insert_gsi.
 908         (rename_variables): Keep inserting renames after the ones already
 909         inserted.
 910
 911 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 912
 913         * graphite-sese-to-poly.c (compare_bb_depths): New.
 914         (graphite_sort_dominated_info): New.
 915         (build_scop_bbs_1): Call graphite_sort_dominated_info.
 916         (build_scop_scattering): Fix comment.
 917
 918 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 919
 920         * graphite.c (graphite_finalize): Call print_loops instead of
 921         dump_function_to_file.
 922         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
 923         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
 924         loops generated in the graphite output file.
 925         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
 926         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
 927         * testsuite/gfortran.dg/graphite/id-12.f: New.
 928
 929 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 930
 931         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
 932         Remove 2 XFAIL.
 933
 934 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 935             Tobias Grosser  <grosser@fim.uni-passau.de>
 936
 937         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
 938         alias set number build alias in ACCESSES polyhedron.
 939         (build_alias_set_for_drs): New.
 940         (build_pbb_drs): Added build_alias_set_for_drs.
 941         * graphite-dependences.c (poly_drs_may_alias_p): New.
 942         (graphite_carried_dependence_level_k): Check alias information
 943         before building polyhedron.
 944
 945 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 946
 947         * Makefile.in (lambda-code.o): Fix formatting.
 948
 949 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 950
 951         * Merge from mainline (r149350-149952)
 952
 953 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 954
 955         * graphite-poly.c (apply_poly_transforms): Move strip_mine
 956         before interchange to prepare for loop blocking.
 957
 958 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 959
 960         * graphite-poly.c (apply_poly_transforms): Add checks after every
 961         transformation.
 962         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
 963         done in apply_poly_transforms.
 964
 965 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 966
 967         * graphite-dependences.c (build_lexicographically_gt_constraint):
 968         Replace RES parameter with *RES.
 969         (dependence_polyhedron_1): Pass an address of the parameter RES
 970         instead of value of RES.
 971
 972 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 973
 974         * graphite.c (graphite_finalize): Fix comment.
 975         (graphite_transform_loops): Reset scev info after code generation
 976         of each scop.
 977
 978 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 979
 980         * graphite.c (graphite_finalize): Call scev_reset.
 981
 982 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 983
 984         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
 985         GBB_CLOOG_IV_TYPES hash table twice.
 986         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
 987         (add_condition_to_domain): Clear GMP values.
 988
 989 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 990
 991         * graphite-dependences.c: Fix formatting.
 992         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
 993         (pbb_number_of_iterations): Free ppl_Linear_Expression.
 994         * graphite-sese-to-poly.c: Fix formatting.
 995         * graphite.c (graphite_transform_loops): Create the hash table
 996         after the early return.
 997
 998 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 999
1000         * testsuite/gcc.dg/graphite/id-14.c: New.
1001         * testsuite/gcc.dg/graphite/pr40157.c: New.
1002         * testsuite/gfortran.dg/graphite/id-11.f: New.
1003
1004 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1005
1006         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1007         (build_poly_scop): Return false when there are no pbbs within
1008         loops to avoid to pass to cloog scops with no loops.
1009
1010 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1011
1012         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1013         useless test "i % 2".
1014         (build_pbb_scattering_polyhedrons): Fix formatting.
1015         (build_poly_dr): Same.
1016         * graphite.c (graphite_transform_loops): Restructure.
1017
1018 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1019
1020         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1021         reduction_list parameter.
1022         (rewrite_all_phi_nodes_with_iv): Same.
1023         (canonicalize_loop_ivs): Same.
1024         * tree-parloops.c (struct brli): Removed.
1025         (build_reduction_list_info): Removed.
1026         (build_new_reduction): New.
1027         (analyze_reduction_list): Removed.
1028         (gather_scalar_reductions): Find reductions instead of phi
1029         nodes that can't be canonicalized.
1030         (try_create_reduction_list): Remove reduction_list parameter.
1031         (gen_parallel_loop): Same.
1032         (parallelize_loops): Remove analyze_reductions variable,
1033         initialization and free.
1034         Change reduction_list htab initialization to reduction_info
1035         elements instead of ssa names.
1036         Call try_create_reduction_list and gen_parallel_loop without
1037         analyzed_reduction argument.
1038         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
1039         canonicalize_loop_ivs with one less argument.
1040         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1041
1042 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1043
1044         * graphite-dependences.c (new_poly_dr_pair): New.
1045         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
1046         (new_poly_dr_pair): New.
1047         (eq_poly_dr_pair_p): New.
1048         (hash_poly_dr_pair_p): New.
1049         * graphite-dependences.h (struct poly_dr_pair): New.
1050         (eq_poly_dr_pair_p): Declared.
1051         (hash_poly_dr_pair_p): Declared.
1052         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1053         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1054         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1055         * Makefile.in (graphite-poly.o): Add dependence on
1056         graphite-dependences.h.
1057
1058 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1059
1060         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1061         polynomials of degree > 1 pass to Graphite.
1062         * tree-chrec.c (scev_is_linear_expression): Call
1063         evolution_function_is_affine_multivariate_p.
1064         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1065
1066 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1067
1068         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1069         Instantiate scevs varying in outer loops.
1070         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1071
1072 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1073
1074         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1075         redundant constraint.
1076
1077 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1078
1079         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1080         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1081         based on the file names as in the C testsuite.
1082         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1083         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1084         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1085         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1086         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1087         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1088         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1089         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1090         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1091         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1092         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1093         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1094         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1095
1096 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1097
1098         * sese.c (expand_scalar_variables_call): New.
1099         (expand_scalar_variables_ssa_name): Handle calls in expander.
1100
1101 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1102
1103         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1104         Expect to see the pattern twice.
1105         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1106         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1107         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1108
1109 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1110
1111         * testsuite/gcc.dg/graphite/id-10.c: New.
1112         * testsuite/gcc.dg/graphite/id-12.c: New.
1113         * testsuite/gfortran.dg/graphite/id-7.f: New.
1114         * testsuite/gfortran.dg/graphite/id-8.f: New.
1115
1116 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1117
1118         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1119         zero.
1120
1121 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1122
1123         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1124
1125 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1126
1127         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1128
1129 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1130
1131         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1132         building PDR subscripts.
1133
1134 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1135
1136         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1137         computation of array sizes.
1138
1139 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1140
1141         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1142
1143 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1144
1145         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1146         build_pairwise_constraint, dr_equality_constraints,
1147         build_pairwise_scheduling_equality,
1148         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1149         build_lexicographically_gt_constraint, dependence_polyhedron,
1150         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1151         Move from NNC_Polyhedron to C_Polyhedron.
1152         * graphite-interchange.c (compute_array_size_poly,
1153         gather_access_strides): Dito.
1154         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1155         free_scop, pbb_number_of_iterations): Dito.
1156         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1157         pbb_dim_iter_domain, struct scop): Dito.
1158         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1159         new_Cloog_Domain_from_ppl_Polyhedron,
1160         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1161         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1162         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1163         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1164         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1165         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1166         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1167         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1168         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1169         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1170         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1171         build_scop_iteration_domain, build_poly_dr): Dito
1172
1173 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1174
1175         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1176         run-id-*.c files.
1177         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1178
1179 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1180
1181         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1182         positivity constraint on the symbolic number of iterations.
1183
1184 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1185
1186         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1187
1188 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1189             Tobias Grosser  <grosser@fim.uni-passau.de>
1190
1191         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1192         (build_cloog_prog): Directly use SCOP_CONTEXT.
1193         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1194         (free_scop): Free SCOP_CONTEXT.
1195         (print_scop_context): New.
1196         (print_scop): Call print_scop_context.
1197         (debug_scop_context): New.
1198         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1199         (struct scop): Added field context.
1200         (SCOP_CONTEXT): New.
1201         * graphite-sese-to-poly.c (add_param_constraints): New.
1202         (build_scop_context): New.
1203         (build_poly_scop): Call build_scop_context.
1204
1205 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1206
1207         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1208         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1209         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1210         * graphite-ppl.h: Include double-int.h and tree.h.
1211         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1212         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1213         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1214         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1215
1216 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1217
1218         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1219         POINTER_PLUS_EXPR for pointer types.
1220         (clast_to_gcc_expression): Same.
1221
1222 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1223
1224         * graphite-poly.c (print_scattering_function): Early return when
1225         PBB_TRANSFORMED_SCATTERING is not initialized.
1226         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1227
1228 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1229
1230         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1231         to fix bootstrap.
1232
1233 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1234
1235         * tree-parloops.c (analyze_reduction_list): Change return
1236         value to void.
1237         (try_create_reduction_list): Move the call to
1238         analyze_reduction_list to the beginining.
1239         Call reduction_phi with analyzed_reductions as argument
1240         instead of reduction_list.
1241
1242 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1243
1244         *  Merge from mainline (r148296:149346)
1245
1246 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1247
1248         * graphite-scop-detection.c (graphite_can_represent_init): New.
1249         (graphite_can_represent_scev): Call graphite_can_represent_init:
1250         check that the initial value does not contain multiplications of
1251         parameters.
1252         (stmt_has_simple_data_refs_p): New.
1253         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1254         (is_simple_operand): Fix formatting.
1255         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1256
1257 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1258
1259         * testsuite/gcc.dg/graphite/id-13.c: New.
1260         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1261         analyze_scalar_evolution, use scalar_evolution_in_region.
1262         (scan_tree_for_params_right_scev): Add extra assert.
1263         (parameter_index_in_region_1): Split from parameter_index_in_region.
1264         (idx_record_params): Use scalar_evolution_in_region.
1265         (find_params_in_bb): Same.
1266         (find_scop_parameters): Same.
1267         (build_loop_iteration_domains): Same.
1268         (create_linear_expr_from_tree): Same.
1269         * sese.c (scalar_evolution_in_region): New.
1270         * sese.h (scalar_evolution_in_region): Declared.
1271         (defined_in_sese_p): New.
1272         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1273         static anymore.
1274         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1275         Declared.
1276
1277 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1278
1279         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1280         TREE_DATA_REF_H also implies SCEV_H.
1281
1282 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1283
1284         * graphite-poly.c (print_scop_params): New.
1285         (print_scop): Call print_scop_params.
1286         (debug_scop_params): New.
1287         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1288
1289 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1290
1291         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1292         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1293         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1294         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1295         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1296         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1297
1298 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1299
1300         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1301         for dependency checking part.
1302         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1303         tests for dependency checking.
1304         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1305         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1306         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
1307         flag -fdump-tree-graphite-all for autopar testsuites.
1308
1309 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1310
1311         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
1312         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
1313         canonicalize_loop_ivs): Moved...
1314         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
1315
1316 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1317
1318         * tree-parloops.c (try_create_reduction_list): Pass an extra
1319         argument analyzed_reductions.  Call analyze_reduction_list.
1320         (gen_parallel_loop): Do not call analyze_reduction_list.
1321         (parallelize_loops): Init and finalize analyzed_reductions.
1322
1323 2009-07-06  Li Feng  <nemokingdom@gmail.com>
1324
1325         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1326         Added flag -fno-loop-strip-mine for autopar testcase.
1327
1328 2009-07-04  Li Feng  <nemokingdom@gmail.com>
1329
1330         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
1331         transformed scattering dimension instead of unmatch orignal when
1332         calling dependence_polyhedron.
1333
1334 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1335
1336         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
1337
1338 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1339
1340         * graphite-poly.c (pbb_number_of_iterations): Check for returned
1341         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
1342
1343 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1344
1345         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
1346         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
1347         * graphite-poly.c (pbb_number_of_iterations): New.
1348         * graphite-poly.h (pbb_number_of_iterations): Declared.
1349         (pbb_iterator_dim, pbb_parameter_dim): New.
1350
1351 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
1352
1353         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
1354         last commit on type of lower and upper bound of loops.
1355
1356 2009-06-29  Li Feng  <nemokingdom@gmail.com>
1357
1358         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
1359         graphite-dependences.h.
1360         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
1361         (mark_bb_with_pbb): New.
1362         (get_stmtfor_depth): New.
1363         (find_pbb_via_hash): New.
1364         (dependency_in_loop_p): New.
1365         (mark_loops_parallel): New.
1366         (free_aux_in_new_loops): New.
1367         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
1368         bb with it's relevant pbb. Mark newly created loops.  Remove mark
1369         innermost loop parallel without checking.
1370         (gloog): Add parameter BB_PBB_MAPPING.
1371         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
1372         (gloog): Change declaration.
1373         (mark_loop_parallel): Make extern.
1374         (free_aux_in_new_loops): Declare.
1375         (bb_pbb_map_hash): New.
1376         (eq_bb_pbb_map): New.
1377         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
1378         auto parallelization when flag_graphite_force_parallel is set.
1379         (graphite_finalize): Added free_aux_in_new_loops.
1380         * tree-parloops.c (parallelize_loops): Only generate parallel code for
1381         the innermost loop that marked parallel.  Use
1382         flag_graphite_force_parallel instead of loop->can_be_parallel.
1383         (loop_parallel_p): Move inner most checking out of function.
1384
1385 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1386
1387         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
1388         type of lower and upper bound of loops signed long int.
1389
1390 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1391
1392         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
1393         expression outside the loop.
1394
1395 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1396
1397         * gcc.dg/graphite/interchange-8.c: New.
1398
1399 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1400
1401         * gcc.dg/graphite/interchange-0.c: XFailed.
1402         * gcc.dg/graphite/interchange-5.c: XFailed.
1403         * gcc.dg/graphite/interchange-6.c: XFailed.
1404
1405 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1406
1407         * graphite-interchange.c (compute_array_size_poly): The end of the
1408         recursion should return 1.
1409
1410 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1411
1412         * graphite-interchange.c (compute_array_size_cstr): Allow the
1413         subscript multiplier to be -1.
1414         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
1415         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
1416         data_container.  Initializes PDR_DATA_CONTAINER.
1417         (print_pdr_access_layout): New.
1418         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
1419         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
1420         data_container.
1421         (PDR_DATA_CONTAINER): New.
1422         (new_poly_dr): Update declaration.
1423         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
1424         (build_poly_dr): Call pdr_add_data_dimensions.
1425
1426 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1427
1428         * graphite-poly.h (struct poly_dr): Fix comment.
1429         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
1430         (pdr_add_memory_accesses): New.
1431         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
1432
1433 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1434
1435         * graphite-poly.c (print_pdrs, debug_pdrs): New.
1436         (print_pbb): Add call to print_pdrs.
1437         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
1438
1439 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1440             Li Feng <nemokingdom@gmail.com>
1441
1442         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
1443         (dependency_between_pbbs_p): New.
1444         (lexicographically_gt_p): Assure !empty_p before polyhedron
1445         intersection assign.
1446         (build_lexicographically_gt_constraint): Correct lexicographically
1447         judging.
1448         * graphite-dependences.h: New.
1449         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
1450
1451 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1452
1453         * graphite-clast-to-gimple.c (print_clast_stmt): New.
1454         (gloog): Print to dump_file the generated clast.
1455         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
1456         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
1457
1458 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1459
1460         * graphite-poly.c (extend_scattering): Increment
1461         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
1462
1463 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1464
1465         * graphite-interchange.c (compute_array_size_poly): Added exit of
1466         recursion condition.  Continue iterating even after the first equality.
1467         (compute_array_size): Same.
1468
1469 2009-06-24  Li Feng  <nemokingdom@gmail.com>
1470
1471         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
1472         -fdump-tree-final_cleanup to -fdump-tree-optimized.
1473         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1474         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1475         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
1476
1477 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1478
1479         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
1480         only when the use verifies is_gimple_reg.
1481
1482 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1483
1484         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
1485         Allocate scaldims after call to unify_scattering_dimensions.
1486
1487 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1488
1489         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
1490
1491 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1492             Albert Cohen  <albert.cohen@inria.fr>
1493
1494         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
1495         variables for the strip mining.
1496
1497 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1498             Pranav Garg  <pranav.garg2107@gmail.com>
1499
1500         * Makefile.in (OBJS-common): Added graphite-blocking.o.
1501         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
1502         (graphite-blocking.o): New rule.
1503         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
1504         * graphite-blocking.c: New.
1505         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
1506         flag_loop_strip_mine.
1507         (psct_scattering_dim_for_loop_depth): New.
1508         * graphite-poly.h (scop_do_strip_mine): Declared.
1509         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
1510         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
1511         flag_loop_strip_mine.
1512
1513 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1514
1515         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
1516         a GMP value and a PPL coefficient at each iteration of a loop.
1517
1518 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1519
1520         * graphite-dependences.c (dependence_polyhedron): Do not use
1521         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
1522         pbb_nb_scattering_transform.
1523         (graphite_legal_transform_dr): Same.
1524         * graphite-poly.c (extend_scattering): Same.
1525         (unify_scattering_dimensions): Same.
1526         (print_scattering_function): Same.
1527         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
1528         PBB_NB_LOCAL_VARIABLES.
1529         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
1530         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
1531         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
1532         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
1533         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
1534         (pbb_nb_scattering_transform): New.
1535         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
1536         (psco_scattering_dim): Add assert on parameters.
1537         (psct_scattering_dim): Same.
1538         (psct_scattering_dim_for_loop_depth): Declared.
1539         (psct_local_var_dim): New.
1540         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
1541         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
1542         correct layout, call pbb_nb_local_vars.
1543         (psct_add_local_variable, psct_add_scattering_dimension): New.
1544         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1545         Initialize PBB_NB_SCATTERING_TRANSFORM.
1546
1547 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1548
1549         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
1550         (set_coef): Renamed ppl_set_coef.
1551         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
1552
1553 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1554
1555         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
1556         test a boolean against 1.
1557         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
1558         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
1559         (pbb_do_interchange): Returns true when a transform has been performed.
1560         (scop_do_interchange): Same.
1561         * graphite-poly.c (apply_poly_transforms): Use the return value of
1562         scop_do_interchange.
1563         * graphite-poly.h (scop_do_interchange): Update declaration.
1564
1565 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1566
1567         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
1568         after last use.
1569         * sese.c (sese_reset_aux_in_loops): New.
1570         * sese.h (sese_reset_aux_in_loops): New.
1571
1572 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1573
1574         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
1575         multiplier and multiply the constant by the multiplier.
1576         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
1577         (build_poly_dr): Do not use the multiplier to define the subscript.
1578
1579 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1580
1581         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
1582         compiler's data reference.  Initialize PDR_CDR.
1583         (print_pdr): Call dump_data_reference.
1584         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
1585         Add compiler_dr field.
1586         (PDR_BB): Renamed PDR_PBB.
1587         (PDR_CDR): New.
1588         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
1589         GCC's data reference representation.
1590         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
1591         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
1592
1593 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1594
1595         * graphite-poly.c (print_scattering_function): Also print the layout.
1596         * graphite-poly.h (pbb_nb_local_vars): New.
1597
1598 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1599
1600         * graphite-poly.c (print_pbb_domain): Also print the layout names.
1601
1602 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1603
1604         * graphite-poly.c (print_pdr, debug_pdr): New.
1605         * graphite-poly.h (print_pdr, debug_pdr): Declared.
1606         (PDR_BASE): Removed.
1607
1608 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1609
1610         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
1611         ltrans-{1..6,8}.c.
1612
1613 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1614
1615         * graphite-interchange.c (compute_subscript): Allow also -1 in the
1616         subscript identification column.
1617         (pbb_do_interchange): Print to dump_file that some loops "will be
1618         interchanged".  Rely on that chain of characters in the testcases.
1619         * gcc.dg/graphite/interchange-0.c: New.
1620         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
1621         interchange-*.c files and compile them with -floop-interchange.
1622
1623 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
1624
1625         * graphite-interchange.c (interchange_profitable_p): Renamed
1626         pbb_interchange_profitable_p.
1627
1628 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1629             Harsha Jagasia  <harsha.jagasia@amd.com>
1630             Pranav Garg  <pranav.garg2107@gmail.com>
1631
1632         * graphite-interchange.c (interchange_profitable_p): Make static.
1633         (pbb_interchange_loop_depths, pbb_do_interchange,
1634         scop_do_interchange): New.
1635         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
1636         for flag_loop_interchange.
1637         * graphite-poly.h (scop_do_interchange): Declared.
1638         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
1639         flag_loop_interchange is used.
1640
1641 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1642
1643         * graphite-dependences.c (dependence_polyhedron): Update use of
1644         pbb_nb_scattering_dims.
1645         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
1646         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
1647         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
1648         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
1649
1650 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1651
1652         * graphite.c: Cleanup foo.
1653
1654 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1655
1656         * Merge from mainline (r143684:148293).
1657         * Disabled libpcp until it gets fixed.
1658
1659 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
1660             Harsha Jagasia  <harsha.jagasia@amd.com>
1661
1662         * graphite-interchange.c: New.
1663         * Makefile.in (graphite-interchange.o): New.
1664         * graphite-poly.h (interchange_profitable_p): Declared.
1665         * graphite-ppl.h (value_max): New.
1666
1667 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1668
1669         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
1670         * graphite-poly.h: Fix some comments.
1671         (pdr_dim): New.
1672         (pdr_scop): New.
1673
1674 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1675
1676         * graphite-poly.h
1677         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
1678         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
1679         (pdr_accessp_nb_params): Renamed pdr_nb_params.
1680         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
1681         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
1682         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
1683         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
1684         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
1685         * graphite-clast-to-gimple.c: Same.
1686         * graphite-dependences.c: Same.
1687         * graphite-poly.c: Same.
1688         * graphite-sese-to-poly.c: Same.
1689
1690 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1691
1692         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
1693         expressions for an IV rename, as returned by clast_to_gcc_expression.
1694         (copy_renames): Rename new_name to expr.
1695         * sese.c (debug_rename_elt): Same.
1696         (get_rename): Same.
1697         (set_rename): Same.
1698         (sese_adjust_liveout_phis): Call force_gimple_operand before using
1699         the information from the rename map.
1700         (rename_variables_in_stmt): Same.
1701         (add_loop_exit_phis): Rename new_name to expr.
1702         (insert_loop_close_phis): Same.
1703         (add_guard_exit_phis): Same.  Call force_gimple_operand.
1704         * sese.h (struct rename_map_elt): Rename new_name to expr.
1705         (new_rename_map_elt): Same.
1706
1707 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1708
1709         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
1710         * sese.c (set_rename): Make it extern.
1711         * sese.h (set_rename): Declared.
1712
1713 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1714
1715         * graphite-poly.c (extend_scattering): Free values.
1716         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
1717         Free iterators.
1718         (ppl_print_powerset_matrix): Same.
1719         * graphite-scop-detection.c (free_scops_1): New.
1720         (limit_scops): Call free_scops_1.
1721         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
1722         (build_poly_dr): Free PPL coefficients.
1723         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
1724
1725 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
1726
1727         * graphite-dependences.c: New.
1728         * graphite-data-ref.c: Removed.
1729         * graphite-data-ref.h: Removed.
1730         * Makefile.in (graphite-data-ref.o): Removed.
1731         (graphite-dependences.o): Added.
1732         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
1733         * graphite-poly.c: Same.
1734         Move the data dependence testing to graphite-dependences.c.
1735
1736 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1737
1738         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
1739         from graphite_cannot_represent_loop. Code refactored.
1740         (scopdet_basic_block_info): Call graphite_can_represent_loop.
1741
1742 2009-05-17  Li Feng  <nemokingdom@gmail.com>
1743
1744         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1745         Cover all the testcases (not only the filtered ones).
1746
1747 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1748
1749         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
1750         unnecessary check. Update comments. Move check for REAL_TYPE here.
1751         (harmful_stmt_in_bb): Remove checks for conditions. This is already
1752         done in (stmt_simple_for_scop_p).
1753
1754 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
1755
1756         * graphite.c (print_global_statistics): New.
1757         (print_graphite_scop_statistic): New.
1758         (print_graphite_statistics): New.
1759         (graphite_initialize, graphite_transform_loops): Print statistics.
1760         * graphite-scop-detection (build_scops): Print statistics.
1761         (print_graphite_scop_statistics): New.
1762         (print_graphite_statistics): New.
1763
1764 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1765
1766         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
1767         (debug_clast_name_index): Removed.
1768         (debug_clast_name_indexes_1): Removed.
1769         (debug_clast_name_indexes): Removed.
1770         (clast_name_index_elt_info): Removed.
1771         (eq_clast_name_indexes): Removed.
1772         (clast_name_to_index): Removed.
1773         (new_clast_name_index): Removed.
1774         (save_clast_name_index): Removed.
1775         (save_var_name): Moved...
1776         (init_sese_params_index): Removed.
1777         (clast_name_to_gcc): Remove use of name_tree.
1778         (initialize_cloog_names): Same.
1779         (gloog): Do not call init_sese_params_index.
1780         * graphite-sese-to-poly.c (save_var_name): ...here.
1781         (parameter_index_in_region): New.
1782         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
1783         (parameter_index_in_region): Removed.
1784         (is_parameter): Remove use of name_tree.
1785         * sese.h (struct name_tree): Removed.
1786         (struct sese): Remove use of name_tree.  New field params_names.
1787         (SESE_PARAMS_NAMES): New.
1788         (SESE_PARAMS): Remove duplicate.
1789         (parameter_index_in_region): Removed.
1790         (sese_nb_params): Remove use of name_tree.
1791         (struct clast_name_index): New.
1792         (new_clast_name_index): New.
1793         (clast_name_to_index): New.
1794         (save_clast_name_index): New.
1795         (debug_clast_name_index): New.
1796         (debug_clast_name_indexes_1): New.
1797         (debug_clast_name_indexes): New.
1798         (clast_name_index_elt_info): New.
1799         (eq_clast_name_indexes): New.
1800
1801 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1802
1803         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
1804         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
1805         (graphite_loop_normal_form): Do not pass region.  Do not
1806         initialize SESE_OLDIVS.
1807         (build_graphite_loop_normal_form): Update call to
1808         graphite_loop_normal_form.
1809         * sese.c (debug_oldivs): Removed.
1810         (new_sese): Do not initialize SESE_OLDIVS.
1811         (free_sese): Do not free SESE_OLDIVS.
1812         (oldiv_for_loop): Removed.
1813         * sese.h (struct sese): Remove old_ivs.
1814         (SESE_OLDIVS): Removed.
1815         (oldiv_for_loop): Removed.
1816
1817 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1818
1819         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
1820         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
1821         replaced by a call to newivs_to_depth_to_newiv.
1822         (clast_to_gcc_expression): Pass newivs, remove ivstack.
1823         (clast_to_gcc_expression_red): Same.
1824         (gcc_type_for_clast_expr): Same.
1825         (gcc_type_for_clast_eq): Same.
1826         (graphite_translate_clast_equation): Same.
1827         (graphite_create_guard_cond_expr): Same.
1828         (graphite_create_new_guard): Same.
1829         (graphite_create_new_loop): Same.
1830         (build_iv_mapping): Same.
1831         (translate_clast): Same.
1832         (gloog): Same.
1833         (loop_iv_stack_patch_for_consts): Removed.  *
1834         sese.c (iv_stack_entry_is_constant): Removed.
1835         (iv_stack_entry_is_iv): Removed.
1836         (loop_iv_stack_push_iv): Removed.
1837         (loop_iv_stack_insert_constant): Removed.
1838         (loop_iv_stack_pop): Removed.
1839         (loop_iv_stack_get_iv): Removed.
1840         (loop_iv_stack_get_iv_from_name): Removed.
1841         (debug_loop_iv_stack): Removed.
1842         (free_loop_iv_stack): Removed.
1843         (loop_iv_stack_remove_constants): Removed.  *
1844         sese.h (iv_stack_entry_kind): Removed.
1845         (iv_stack_entry_data_union): Removed.
1846         (iv_stack_entry_struct): Removed.
1847         (iv_stack_entry_p): Removed.
1848         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
1849         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
1850         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
1851         loop_iv_stack_pop, free_loop_iv_stack): Removed.
1852         (gbb_loop_at_index): Fix indenting.
1853         (gbb_loop_index): Removed.
1854
1855 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1856
1857         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
1858         Call clast_name_to_index.
1859
1860 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1861
1862         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
1863         do not pass params.  Get params from SESE_PARAMS.
1864         (clast_to_gcc_expression): Same.
1865         (clast_to_gcc_expression_red): Same.
1866         (gcc_type_for_clast_eq): Same.
1867         (graphite_translate_clast_equation): Same.
1868         (graphite_create_new_loop): Same.
1869         * sese.c (rename_variables_in_stmt): Fix comment.
1870
1871 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1872
1873         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
1874         newivs_index.
1875         Call save_clast_name_index.
1876         (translate_clast): Pass newivs_index.
1877         (gloog): Create and free newivs_index.
1878
1879 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1880
1881         * graphite-clast-to-gimple.c (clast_name_index): New structure.
1882         (clast_name_index_p): New type.
1883         (debug_clast_name_index): New.
1884         (debug_clast_name_indexes_1): New.
1885         (debug_clast_name_indexes): New.
1886         (clast_name_index_elt_info): New.
1887         (eq_clast_name_indexes): New.
1888         (clast_name_to_index): New.
1889         (new_clast_name_index): New.
1890         (save_clast_name_index): New.
1891         (init_sese_params_index): New.
1892         (gloog): Call init_sese_params_index.
1893         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
1894         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
1895         (free_sese): Free SESE_PARAMS_INDEX.
1896         * sese.h (struct sese): Add params_index.
1897         (SESE_PARAMS_INDEX): New.
1898
1899 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1900
1901         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
1902         (graphite_create_new_loop): Pass the newivs vector.  Push the
1903         newly created IV to newivs.
1904         (translate_clast): Pass the newivs vector.
1905         (gloog): Create and destroy the newivs vector.
1906
1907 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1908
1909         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
1910         (graphite_loop_normal_form): Initialize loop->aux with the unique
1911         IV that has been created.
1912
1913 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
1914
1915         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
1916         scev with parameters in the base part. They where forbidden
1917         exidently.
1918
1919 2009-05-11  Li Feng  <nemokingdom@gmail.com>
1920
1921         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
1922         compile options by file names.
1923         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
1924         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
1925         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
1926         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
1927
1928 2009-05-08  Li Feng <nemokingdom@gmail.com>
1929
1930         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
1931         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
1932         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
1933         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
1934
1935 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1936
1937         * graphite-scop-detection (build_scops_1): Fix little bug introduced
1938         by final cleanup.
1939
1940 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1941
1942         * graphite-scop-detection.c (graphite_can_represent_scev): Only
1943         allow integer constant strides.
1944         (graphite_can_represent_expr): Depend on outermost_loop.
1945         (stmt_simple_memref_p, graphite_cannot_represent_loop,
1946         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
1947         build_scops_1): Same.
1948         (scopdet_basic_block_info): Same and insert layered SCoP
1949         detection.
1950         (try_generate_gimple_bb): Cleanup.
1951         (build_scops): Enable data references.
1952
1953         * testsuite/gcc.dg/graphite/id-5.c: New.
1954         * testsuite/gcc.dg/graphite/id-9.c: New.
1955         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
1956         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
1957
1958 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1959
1960         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
1961         that we have not yet built for this SCoP.
1962
1963 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1964
1965         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
1966         for complex numbers.
1967
1968 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1969
1970         * graphite-ppl.c: Fix build if cloog is not available.
1971
1972 2009-05-04  Li Feng  <nemokingdom@gmail.com>
1973
1974         * tree-parloops.c (loop_parallel_p): Remove construction of
1975         NITER and REDUCTION_LIST.
1976         (try_get_loop_niter): New.
1977         (try_create_reduction_list): New.
1978         (parallelize_loops): Bypass the failed checkings in autopar
1979         when can_be_parallel in loop structure is set to true.
1980
1981 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1982
1983         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
1984         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
1985
1986 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1987
1988         * graphite-scop-detection.c (stmt_simple_for_scop_p):
1989         Enable EQ_EXPR and NE_EXPR again.
1990
1991 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1992
1993         * graphite-scop-detection.c (graphite_can_represent_scev):
1994         Add check if scev is affine multivariate.
1995         (harmful_stmt_in_bb): Check if we can represent the conditions.
1996         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
1997         harmful_stmt_in_bb.
1998         * testsuite/gcc.dg/graphite/id-7.c: New.
1999
2000 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2001
2002         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2003         Check all bbs in region, not only the bbs that are represented in
2004         GRAPHITE.
2005         (build_poly_scop): Add newline.
2006         * testsuite/gcc.dg/graphite/id-8.c: New.
2007
2008 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2009
2010         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2011         when loop initialize.
2012         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2013         * common.opt: Declare flag_graphite_force_parallel.
2014         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2015         loop parallel.
2016         * graphite-poly.c (apply_poly_transforms): Introduce
2017         flag_graphite_force_parallel.
2018         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2019         * toplev.c (process_options): ditto and replace a not correctly
2020         encoded space.
2021
2022 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2023
2024         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
2025         Change the call of gbb_loop_at_index and/or gbb_loop_index due
2026         to the redefinition.
2027         (compute_cloog_iv_types_1): ditto.
2028         (build_iv_mapping): ditto.
2029         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
2030         initialization.
2031         (free_gimple_bb): Removed GBB_LOOPS related free part.
2032         (build_bb_loops): Removed.
2033         * sese.h (struct gimple_bb): Removed loops.
2034         (GBB_LOOPS): Removed.
2035         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
2036         (gbb_loop_index): ditto.
2037
2038 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2039
2040         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
2041         allow non constant strides.
2042         * testsuite/gcc.dg/graphite/scop-20.c: New.
2043
2044 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2045
2046         * graphite-scop-detection.c (dot_all_scops): Fix system call
2047         return value warning.
2048         (dot_scop): Same.
2049
2050 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2051
2052         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2053         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2054
2055 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2056
2057         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2058         build_pairwise_constraint, dr_equality_constraints,
2059         build_pairwise_scheduling_equality,
2060         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2061         build_lexicographically_gt_constraint, dependence_polyhedron,
2062         graphite_legal_transform_dr, graphite_legal_transform_bb,
2063         graphite_legal_transform): New.
2064         * graphite-poly.h (graphite_legal_transform): Declared.
2065         * graphite-sese-to-poly.c (build_poly_scop): Call to
2066         graphite_legal_transform is disabled for the moment.
2067
2068 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2069
2070         * graphite-poly.h (pbb_nb_scattering_dims): New.
2071         (pbb_nb_scattering): Use it.
2072
2073 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2074
2075         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2076         Pointset_Powerset version of ppl_insert_dimensions.
2077         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2078
2079 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2080
2081         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2082
2083 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2084
2085         * graphite-poly.h: Fix comment.
2086
2087 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2088
2089         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2090
2091 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2092
2093         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2094         statements.
2095
2096 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2097
2098         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2099         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2100         conditions.
2101
2102 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2103
2104         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2105         handle EQ_EXPR and NE_EXPR.
2106
2107 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2108
2109         * graphite-poly.h (poly_dr): Fix comment.
2110
2111 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2112             Tobias Grosser  <grosser@fim.uni-passau.de>
2113
2114         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2115         with a zero dimension polyhedron.
2116         (find_scop_parameters): Move the call to scop_set_nb_params here.
2117         (build_loop_iteration_domains): Store in loop->aux the iteration
2118         domain polyhedron.
2119         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2120         by any loop in scop.
2121         (build_poly_scop): Do not call scop_set_nb_params.
2122
2123 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2124             Tobias Grosser  <grosser@fim.uni-passau.de>
2125
2126         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2127         add_condition_to_domain not GT_EXPR.
2128
2129 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2130
2131         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2132         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2133         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2134         upper_bound_assign to calculate unions.
2135         * testsuite/gcc.dg/graphite/id-6.c: New.
2136
2137 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2138
2139         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2140         handle abnormal edges.
2141
2142 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2143
2144         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2145         (free_poly_bb): Also free poly_drs.
2146         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2147         (poly_dr): Polyhedron to Pointset_Powerset.
2148         (pdr_accessp_nb_subscripts): Same.
2149         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2150         poly_drs.
2151
2152 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2153
2154         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2155         names into more meaningful names.
2156
2157 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2158
2159         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2160         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2161
2162 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2163
2164         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2165         the reduction_list.
2166         * tree-parloops.c (rewrite_phi_with_iv): New.
2167         (rewrite_all_phi_nodes_with_iv): New.
2168         (canonicalize_loop_ivs): Call them.
2169
2170 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2171
2172         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2173         graphite_find_data_references_in_stmt.
2174         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2175         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2176
2177 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2178
2179         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2180
2181 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2182
2183         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2184         instead of bb_in_region.
2185         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2186         (build_sese_conditions): Use flag_bb_in_sese.
2187         * sese.c (register_bb_in_sese): Removed.
2188         (new_sese): Remove initialization of SESE_REGION_BBS.
2189         (free_sese): Do not free SESE_REGION_BBS.
2190         * sese.h (struct sese): Remove field region_basic_blocks.
2191         (SESE_REGION_BBS): Removed.
2192         (bb_in_sese_p): Implement in function of bb_in_region.
2193
2194 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2195
2196         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2197         loops.
2198
2199 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2200
2201         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2202         and EQ_EXPR.
2203         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2204         (add_condition_to_domain): New.
2205         (add_condition_to_pbb): New.
2206         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2207         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2208
2209 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2210
2211         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2212         ppl_Pointset_Powerset.
2213         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2214         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2215         (pbb_nb_loops): Same.
2216         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2217         add_conditions_to_domain): Same.
2218         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2219         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2220         ppl_const_Polyhedron_t.
2221         (ppl_print_powerset_matrix): New.
2222         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2223         ppl_print_powerset_matrix): New.
2224         (ppl_print_polyhedron_matrix): Updated.
2225
2226 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2227
2228         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2229
2230 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2231
2232         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2233         (print_iteration_domains, debug_iteration_domain,
2234         debug_iteration_domains): New.
2235         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2236         debug_iteration_domains): Declared.
2237         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2238         indenting.
2239
2240 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2241             Sebastian Pop  <sebastian.pop@amd.com>
2242
2243         * graphite-poly.h (print_iteration_domain): New.
2244         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2245         (build_sese_conditions_1, build_sese_conditions_after,
2246         build_sese_conditions_before): New.
2247         (build_sese_conditions): Rewritten.
2248
2249 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2250             Tobias Grosser  <grosser@fim.uni-passau.de>
2251
2252         Cleanup of code generation liveouts.
2253         * graphite-clast-to-gimple.c (translate_clast): Use a single
2254         rename_map instead of one per translated statement.
2255         Do not use SESE_LIVEOUT_RENAMES.
2256         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2257         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2258         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2259         phi node of a reduction: when a loop contains a reduction used outside
2260         the loop, there should be a scalar close phi node on the exit block.
2261         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2262         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2263         (free_sese): Do not free them.
2264         (sese_build_liveouts_use): Do not use them.
2265         (sese_build_liveouts_bb): Same.
2266         (sese_build_liveouts): Same.
2267         (sese_insert_phis_for_liveouts): Same.
2268         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2269         (defined_in_loop_p): New.
2270         (alive_after_loop): New.
2271         (close_phi_not_yet_inserted_p): New.
2272         (struct alep, alep_p): New.
2273         (add_loop_exit_phis): Remove from the rename_map all the names defined
2274         in the code generated loop.
2275         (insert_loop_close_phis): Traverse the rename_map passed to it.
2276         Don't use SESE_LIVEOUT_RENAMES.
2277         (default_liveout_before_guard): Renamed default_before_guard.
2278         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2279         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2280         (register_sese_liveout_renames): Removed.
2281         (copy_bb_and_scalar_dependences): Do not call it.
2282         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2283         reduction_list.
2284         (SESE_LIVEOUT): Removed.
2285         (SESE_LIVEOUT_RENAMES): Removed.
2286         (SESE_REDUCTION_LIST): Removed.
2287         (sese_build_liveouts): Removed.
2288         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2289         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2290         (insert_guard_phis): Same.
2291         (rename_map_elt): Declare a VEC of them.
2292         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2293         trees not pointers to trees.
2294
2295         Rewrite in canonical close SSA form:
2296         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2297         (limit_scops): Close the scop after the block containing the close phi
2298         nodes.
2299         (canonicalize_loop_closed_ssa): New.
2300         (canonicalize_loop_closed_ssa_form): New.
2301         (build_scops): Call canonicalize_loop_closed_ssa_form.
2302
2303         * graphite-sese-to-poly.c: Fix typos.
2304
2305 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2306
2307         * graphite-poly.c (print_scattering_function, print_pbb_domain):
2308         Extended.
2309         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
2310         (print_pbb): Add conditions.
2311
2312 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2313             Sebastian Pop  <sebastian.pop@amd.com>
2314
2315         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
2316         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
2317         (build_scop_bbs_1): New.
2318         (build_scop_bbs): Rewrite.
2319         * sese.h (bb_in_region): New.
2320
2321 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2322
2323         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2324         poly_drs vector.
2325         (print_scop): Style.
2326         * graphite-poly.h (poly_bb): Add drs vector.
2327         (PBB_DRS): Add accessor.
2328         * graphite-sese-to-poly.c (build_poly_dr): New.
2329         (build_pbb_drs, build_scop_drs): New.
2330         (build_poly_scop): call build_scop_drs (Disabled at the moment).
2331
2332 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2333
2334         * tree-ssa-loop.c: Include forgotten toplev.h
2335
2336 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2337
2338         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
2339         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
2340         * testsuite/gcc.dg/graphite/pr37928.c: Same
2341         * testsuite/gcc.dg/graphite/pr38409.c: Same
2342         * testsuite/gcc.dg/graphite/pr38498.c: Same
2343         * testsuite/gcc.dg/graphite/pr38559.c: Same
2344         * testsuite/gcc.dg/graphite/pr39335.c: Same
2345         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
2346         * testsuite/gfortran.dg/graphite/block-2.f: Same
2347         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
2348         with -floop-*.
2349
2350 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
2351
2352         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
2353         build_access_matrix, build_scop_data_accesses): Remove access function
2354         building. (We get a new version soon).
2355         (build_bb_loops, scan_tree_for_params_right_scev): Update.
2356         * sese.h (nb_loops_around_loop_in_sese): Remove.
2357         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
2358
2359 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
2360             Sebastian Pop  <sebastian.pop@amd.com>
2361
2362         * graphite-scop-detection.c (struct scopdet_info): Rename last
2363         field to exit.
2364         (scopdet_basic_block_info, build_scops_1): Don't use
2365         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
2366
2367 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
2368             Sebastian Pop  <sebastian.pop@amd.com>
2369
2370         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
2371         * sese.c (sese_build_liveouts_use): Renamed from
2372         sese_build_livein_liveouts_use. Remove liveins.
2373         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
2374         Call sese_build_liveouts_use.
2375         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
2376         Call sese_build_liveouts_bb.
2377         (new_sese, free_sese): Remove liveins.
2378         (sese_add_exit_phis_var): Deleted.
2379         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
2380         directly.
2381         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
2382
2383         * sese.h (sese): Remove num_ver and livein.
2384         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
2385
2386 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2387
2388         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
2389
2390 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2391
2392         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
2393         (build_scop_scattering): Do not use compare_prefix_loops any more.
2394         (nb_common_loops): New.
2395
2396 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2397
2398         * sese.c (get_new_name_from_old_name): Renamed get_rename.
2399         (register_old_and_new_names): Renamed set_rename.
2400
2401 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2402
2403         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
2404         of the decl from the previous commit.
2405
2406 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2407
2408         * graphite-scop-detection.c (dot_scop): New.
2409         * graphite-scop-detection.h (dot_scop): Declared.
2410
2411 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2412
2413         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
2414
2415 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2416
2417         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
2418         condition at the end of the loop.
2419         * graphite.c (graphite_initialize, graphite_finalize): Print to
2420         dump_file the compiled function.
2421         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
2422         of create_empty_loop_on_edge.
2423         (translate_clast): Update the code generation of loops for the new
2424         shape of loops.
2425         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
2426
2427 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2428
2429         Reverted the patch from 2009-03-19.
2430
2431 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2432
2433         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2434         poly_drs vector.
2435         (print_scop): Style.
2436         * graphite-poly.h (poly_bb): Add drs vector.
2437         (PBB_DRS): Add accessor.
2438         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
2439         (build_access_matrix_with_af, build_access_matrix,
2440         build_scop_data_accesses): Delete.
2441         (build_poly_dr): New.
2442         (build_pbb_drs, build_scop_drs): New.
2443         (build_poly_scop): call build_scop_drs.
2444
2445 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
2446
2447         * graphite-scop-detection.c (dot_all_scops_1): Close the table
2448         once per basic block.
2449
2450 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2451
2452         * graphite-scop-detection.c (graphite_can_represent_scev): New.
2453         (graphite_can_represent_expr): Renamed from loop_affine_expr
2454         and enhanced.
2455         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
2456         (graphite_cannot_represent_loop): Add scop_entry to parameters.
2457         (scopdet_basic_block_info): Actually define entry_block.
2458         (stmt_simple_memref_p): Moved here from ...
2459
2460         * tree-data-ref.c (stmt_simple_memref_p): here.
2461         * tree-data-ref.h (stmt_simple_memref_p): Removed.
2462
2463 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2464
2465         * testsuite/gcc.dg/graphite/id-4.c: New.
2466
2467 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2468
2469         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2470         (register_old_and_new_names): Update the content of the map.
2471         When there was already a rename_map_elt in the map at that
2472         location, free it.
2473         (copy_bb_and_scalar_dependences): Do rename_variables after
2474         expand_scalar_variables.
2475         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2476         of the map.  When there was already a rename_map_elt in the
2477         map at that location, free it.
2478         (translate_clast): Pass the rename_map.  Do not initialize and free
2479         a rename_map per stmt_user.
2480         (gloog): Initialize and free one rename_map and pass it to
2481         translate_clast.
2482
2483 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2484
2485         * sese.c (expand_scalar_variables_stmt,
2486         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
2487         parameter.
2488         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
2489         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
2490         the gimple_stmt_iterator of the statement to be expanded.
2491         * graphite-scop-detection.c (is_simple_operand): Do handle
2492         REALPART_EXPR.
2493
2494 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2495
2496         * graphite-scop-detection.c (is_simple_operand): Do not handle
2497         REALPART_EXPR.
2498         * testsuite/gcc.dg/graphite/id-2.c: New.
2499
2500         * graphite-sese-to-poly.c (build_bb_loops,
2501         add_value_to_dim, scan_tree_for_params_right_scev,
2502         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
2503         find_params_in_bb, build_loop_iteration_domains,
2504         add_conditions_to_domain): Remove subtract.
2505
2506 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2507
2508         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
2509         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
2510         pbb_loop_at_index -> gbb_loop_at_index.
2511         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
2512         (debug_loop_vec): Delete.
2513         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
2514         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
2515         (PBB_LOOPS): Removed.
2516         (PBB_BLACK_BOX): Insert cast.
2517         (pbb_set_black_box): New setter.
2518         (pbb_loop_at_index, pbb_loop_index): Removed.
2519         (scop_set_region, scop_set_nb_params): New.
2520         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
2521         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
2522         (build_poly_scop): Use scop_set_nb_params.
2523         * sese.h (gimple_bb): Add LOOPS.
2524         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
2525
2526 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2527
2528         Revert previous commit.
2529
2530 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2531
2532         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2533         (register_old_and_new_names): Update the content of the map.
2534         When there was already a rename_map_elt in the map at that
2535         location, free it.
2536         (copy_bb_and_scalar_dependences): Do rename_variables after
2537         expand_scalar_variables.
2538         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2539         of the map.  When there was already a rename_map_elt in the
2540         map at that location, free it.
2541         (translate_clast): Pass the rename_map.  Do not initialize and free
2542         a rename_map per stmt_user.
2543         (gloog): Initialize and free one rename_map and pass it to
2544         translate_clast.
2545
2546 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2547
2548         Remove forgotten line in revert.
2549
2550 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2551
2552         Revert previous commit.
2553
2554 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2555
2556         * sese.c (register_old_and_new_names): Update the content
2557         of the map.  When there was already a rename_map_elt in the
2558         map at that location, free it.
2559         (copy_bb_and_scalar_dependences): Do rename_variables after
2560         expand_scalar_variables.
2561         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2562         of the map.  When there was already a rename_map_elt in the
2563         map at that location, free it.
2564         (translate_clast): Pass the rename_map.  Do not initialize and free
2565         a rename_map per stmt_user.
2566         (gloog): Initialize and free one rename_map and pass it to
2567         translate_clast.
2568
2569 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2570
2571         * graphite-clast-to-gimple.c (translate_clast): context_loop
2572         is never NULL.
2573
2574 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2575             Sebastian Pop  <sebastian.pop@amd.com>
2576
2577         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
2578         of the use of ppl_Polyhedron_map_space_dimensions.
2579
2580 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2581             Sebastian Pop  <sebastian.pop@amd.com>
2582
2583         * graphite-poly.c (unify_scattering_dimensions): Fix types.
2584         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
2585         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
2586         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
2587         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
2588         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
2589         pbb_nb_params): New.
2590         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
2591         nb_loops_around_pbb): Adapt return types.
2592
2593 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2594
2595         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2596         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2597         graphite-scop-detection.o, graphite-poly.o): Add
2598         more headers.
2599
2600 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2601
2602         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2603         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2604         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
2605
2606 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2607
2608         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
2609         * testsuite/gcc.dg/graphite/pr37828.c: Same.
2610         * testsuite/gcc.dg/graphite/pr37684.c: Same.
2611         * testsuite/gcc.dg/graphite/block-0.c: Same.
2612         * testsuite/gcc.dg/graphite/block-1.c: Same.
2613         * testsuite/gcc.dg/graphite/block-2.c: Same.
2614         * testsuite/gcc.dg/graphite/block-3.c: Same.
2615         * testsuite/gcc.dg/graphite/block-4.c: Same.
2616         * testsuite/gcc.dg/graphite/block-5.c: Same.
2617         * testsuite/gcc.dg/graphite/block-6.c: Same.
2618         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
2619         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
2620         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
2621         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
2622         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
2623         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
2624         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
2625         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
2626         * opts.c: Remove -floop-block from -O2.
2627         * graphite-poly.c: Fail if -floop-block -floop-interchange or
2628         -floop-strip-mine are used.
2629
2630 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2631             Sebastian Pop  <sebastian.pop@amd.com>
2632
2633         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
2634         dimensions.
2635         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
2636         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
2637         strip_mine_profitable_p, is_interchange_valid,
2638         graphite_trans_bb_block, graphite_trans_loop_block,
2639         graphite_trans_scop_block): Temporary removed.
2640         (extend_scattering, unify_scattering_dimensions): New.
2641         (print_scattering_function, graphite_read_transforms):
2642         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2643         (graphite_generate_scattering_fns): Removed.
2644         (apply_poly_transforms): Cleanup.
2645         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2646         (schedule_to_scattering): Moved.
2647         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
2648         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
2649         (pbb_nb_scattering): New.
2650         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2651         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
2652         Removed.
2653         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
2654         shift_poly.
2655         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2656         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
2657         -> PBB_TRANSFORMED_SCATTERING.
2658         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
2659         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
2660         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
2661         (check_poly_representation): Do not return bool.
2662         (graphite_transform_loops): Reformat.
2663         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
2664
2665 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2666
2667         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
2668         debug_pbb_domain, debug_pbb, debug_scop): New.
2669         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
2670         debug_pbb_domain, debug_pbb, debug_scop): Declared.
2671
2672 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2673
2674         PR middle-end/39335
2675         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2676         when the type precision of the induction variable should be
2677         larger than the type precision of nit.
2678         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2679         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
2680         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2681
2682         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
2683         * testsuite/gcc.dg/graphite/pr39335.c: New.
2684
2685 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2686
2687         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2688         SSA_NAMES not struct reduction_info.
2689
2690 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2691
2692         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
2693
2694 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2695             Tobias Grosser  <grosser@fim.uni-passau.de>
2696
2697         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
2698         (free_sese): Free SESE_REDUCTION_LIST.
2699         * sese.h (struct sese): Add field reduction_list.
2700         (SESE_REDUCTION_LIST): New.
2701         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
2702         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
2703
2704 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2705             Tobias Grosser  <grosser@fim.uni-passau.de>
2706
2707         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
2708         of loop_p.
2709
2710 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2711             Tobias Grosser  <grosser@fim.uni-passau.de>
2712
2713         * tree-parloops.c (struct brli, build_reduction_list_info,
2714         analyze_reduction_list, gather_scalar_reductions): New.
2715         (loop_parallel_p): Build a reduction list containing only
2716         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
2717         (gen_parallel_loop): Call the analysis analyze_reduction_list.
2718         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
2719         * tree-flow.h (gather_scalar_reductions): Declared.
2720
2721 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
2722
2723         PR middle-end/39308
2724         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
2725         number_of_iterations_exit from a gcc_assert.
2726
2727 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
2728             Jan Sjodin  <jan.sjodin@amd.com>
2729
2730         * output.h (graphite_out_file, graphite_in_file): Declared.
2731         * toplev.c (graphite_out_file, graphite_in_file): New.
2732         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
2733         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
2734         Don't call schedule_to_scattering.
2735         * common.opt (fgraphite-write, fgraphite-read): New.
2736         * graphite-poly.c: Include output.h.
2737         (print_scattering_function, print_scattering_functions,
2738         debug_scattering_function, debug_scattering_functions,
2739         graphite_write_transforms, graphite_read_transforms,
2740         graphite_generate_scattering_fns): New.
2741         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
2742         Call graphite_generate_scattering_fns, graphite_write_transforms,
2743         graphite_read_transforms.
2744         (new_poly_bb): Initialize PBB_SCATTERING.
2745         (free_poly_bb): Free PBB_SCATTERING.
2746         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
2747         * graphite-poly.h (struct poly_bb): Add field scattering.
2748         (PBB_SCATTERING): New.
2749         (print_scattering_function, print_scattering_functions,
2750         debug_scattering_function, debug_scattering_functions): Declared.
2751         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
2752         GMP values, not integers!
2753         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
2754         ppl_read_polyhedron_matrix): New.
2755         * graphite-ppl.h (ppl_print_polyhedron_matrix,
2756         debug_ppl_polyhedron_matrix,
2757         ppl_read_polyhedron_matrix): Declared.
2758         * Makefile.in (graphite-poly.o): Depends on output.h.
2759
2760 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2761             Tobias Grosser  <grosser@fim.uni-passau.de>
2762
2763         Revert this change:
2764         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2765         scalar evolutions in the scop_entry->loop_father.
2766
2767 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2768             Tobias Grosser  <grosser@fim.uni-passau.de>
2769
2770         * graphite.h (ref_nb_loops): Remove declaration.
2771         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
2772         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
2773         debug_gbb): Moved to sese.h.
2774         * sese.h: As said.
2775
2776 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2777             Tobias Grosser  <grosser@fim.uni-passau.de>
2778
2779         * graphite-data-ref.[ch]: Disable.
2780
2781 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2782             Tobias Grosser  <grosser@fim.uni-passau.de>
2783
2784         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2785         scalar evolutions in the scop_entry->loop_father.
2786
2787 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2788
2789         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
2790         (graphite_cannot_represent_loop_niter): Renamed
2791         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
2792         (limit_scops): build_sese_loop_nests does not return a bool.
2793         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
2794         * sese.c (nb_reductions_in_loop): ... from here.
2795         (graphite_loop_normal_form): ... from here.
2796         (sese_record_loop): Does not fail, so does not return a bool.
2797         (build_sese_loop_nests): Same.
2798         * sese.h (build_sese_loop_nests): Update declaration.
2799         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
2800         (build_graphite_loop_normal_form): New.
2801         (gloog): Call build_graphite_loop_normal_form.
2802         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
2803         build_sese_loop_nests.
2804
2805         * testsuite/gcc.dg/graphite/id-1.c: New.
2806
2807 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2808             Tobias Grosser  <grosser@fim.uni-passau.de>
2809
2810         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
2811         The SCoP detection fix is sufficient.
2812
2813 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2814
2815         PR tree-optimization/39260
2816         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
2817         the basic block contains a condition with a real type.
2818         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
2819
2820         * gcc.dg/graphite/pr39260.c: New.
2821
2822 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2823
2824         * graphite-poly.c: Inlcude params.h.
2825         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
2826         the size of a tile.
2827         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
2828         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
2829
2830 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2831             Tobias Grosser  <grosser@fim.uni-passau.de>
2832
2833         * graphite-scop-detection.c (dot_all_scops_1,
2834         dot_all_scops): Moved here.
2835         * graphite-scop-detection.h (dot_all_scops): Declared here.
2836         * graphite.c (graphite_initialize, graphite_finalize): New.
2837         (graphite_transform_loops): Cleaned up.
2838         * sese.c (debug_oldivs): Moved here.
2839         * graphite-poly.c (graphite_apply_transformations): Renamed
2840         apply_poly_transforms.
2841         (debug_loop_vec): Moved here.
2842         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
2843         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
2844         find_scop_parameters, build_scop_iteration_domain,
2845         add_conditions_to_constraints, build_scop_canonical_schedules,
2846         build_scop_data_accesses): Now static.
2847         (build_poly_scop, check_poly_representation): New.
2848
2849 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2850
2851         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
2852         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
2853         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
2854         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
2855         scan_tree_for_params_right_scev, scan_tree_for_params_int,
2856         scan_tree_for_params, struct irp_data, dx_record_params,
2857         find_params_in_bb, find_scop_parameters, gbb_from_bb,
2858         build_loop_iteration_domains, add_conditions_to_domain,
2859         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
2860         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
2861         build_sese_conditions, add_conditions_to_constraints,
2862         build_scop_iteration_domain, build_access_matrix_with_af,
2863         build_access_matrix,
2864         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
2865
2866         * graphite-sese-to-poly.c: New.
2867         * graphite-sese-to-poly.h: New.
2868
2869         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
2870
2871 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2872
2873         * graphite.c: Split graphite code generation to a new file.
2874         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
2875         max_precision_type, clast_to_gcc_expression_red,
2876         clast_to_gcc_expression, gcc_type_for_clast_expr,
2877         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
2878         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
2879         graphite_create_new_guard, clast_get_body_of_loop,
2880         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
2881         graphite_create_new_loop, build_iv_mapping, copy_renames,
2882         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
2883         compute_cloog_iv_types, free_scattering, save_var_name,
2884         initialize_cloog_names, build_scop_context, build_cloog_prog,
2885         set_cloog_options, debug_clast_stmt, scop_to_clast,
2886         print_generated_program, debug_generated_program,
2887         gloog): Moved to graphite-clast-to-gimple.c.
2888
2889         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
2890
2891         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
2892         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
2893         loop_iv_stack_pop, loop_iv_stack_get_iv,
2894         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
2895         free_loop_iv_stack, loop_iv_stack_remove_constants,
2896         debug_rename_elt, debug_rename_map_1, debug_rename_map,
2897         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
2898         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
2899         eq_ivtype_map_elts, sese_add_exit_phis_edge,
2900         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
2901         get_vdef_before_sese, sese_adjust_vphi,
2902         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
2903         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
2904         is_iv, expand_scalar_variables_ssa_name,
2905         expand_scalar_variables_expr, expand_scalar_variables_stmt,
2906         expand_scalar_variables, rename_variables, remove_condition,
2907         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
2908         add_loop_exit_phis, insert_loop_close_phis, struct igp,
2909         default_liveout_before_guard, add_guard_exit_phis,
2910         insert_guard_phis, register_old_and_new_names,
2911         graphite_copy_stmts_from_block, register_sese_liveout_renames,
2912         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
2913         if_region_set_false_region, create_if_region_on_edge,
2914         move_sese_in_condition): Moved to sese.c.
2915
2916         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
2917         if_region_exit, if_region_get_condition_block,
2918         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
2919         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
2920         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
2921         ivtype_map_elt, new_ivtype_map_elt,
2922         recompute_all_dominators): Moved to sese.h.
2923
2924         * graphite-clast-to-gimple.c: New.
2925         * graphite-clast-to-gimple.h: New.
2926         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
2927         * sese.c: Modified as said above.
2928         * sese.h: Same.
2929
2930 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2931
2932         * graphite.c: Split scop detection to a new file.
2933         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
2934         move_sd_regions, loop_affine_expr, exclude_component_ref,
2935         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
2936         graphite_cannot_represent_loop_niter, struct scopdet_info,
2937         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
2938         find_single_entry_edge, find_single_exit_edge,
2939         create_single_entry_edge, sd_region_without_exit,
2940         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
2941         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
2942         Moved to graphite-scop-detection.c.
2943
2944         * graphite-scop-detection.c: New.
2945         * graphite-scop-detection.h: New.
2946         * Makefile.in: Add new rule for graphite-scop-detection.o.
2947
2948         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
2949         tree-scalar-evolution.h.
2950         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
2951         build_sese_loop_nests): Moved here from graphite.c.
2952         (param_index): Renamed parameter_index_in_region.
2953
2954 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2955             Sebastian Pop  <sebastian.pop@amd.com>
2956
2957         * gcc.dg/graphite/block-0.c: Expected to fail now.
2958         * gcc.dg/graphite/block-1.c: Same.
2959         * gcc.dg/graphite/block-5.c: Same.
2960         * gcc.dg/graphite/block-6.c: Same.
2961
2962 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2963             Sebastian Pop  <sebastian.pop@amd.com>
2964
2965         * graphite.h: Separate from graphite_bb_p the polyhedral
2966         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
2967         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
2968         graphite-data-ref.h.
2969         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
2970         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
2971         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
2972         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2973         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
2974         scop_nb_params): Moved to graphite-poly.h.
2975         * graphite-data-ref.c: Same.
2976         * graphite-data-ref.h: New.
2977         * graphite.c: Same.
2978         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
2979         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
2980         is_interchange_valid, graphite_trans_bb_block,
2981         graphite_trans_loop_block, scop_max_loop_depth,
2982         graphite_trans_scop_block, graphite_apply_transformations,
2983         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
2984         graphite-poly.c.
2985         * graphite-poly.h: New.
2986         * graphite-poly.c: New.
2987         * Makefile.in (OBJS-common): Add graphite-poly.o.
2988         (graphite-poly.o): New rule.
2989         * tree-data-ref.h (struct data_reference): Remove unused scop field.
2990         (DR_SCOP): Removed.
2991
2992 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2993             Tobias Grosser  <grosser@fim.uni-passau.de>
2994
2995         * graphite.c: Replace gb -> gbb.
2996         * graphite.h: Same.
2997         * graphite-data-ref.c: Same.
2998
2999 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3000             Tobias Grosser  <grosser@fim.uni-passau.de>
3001
3002         * Makefile.in (OBJS-commmon): Add sese.o.
3003         (sese.o): New.
3004         (graphite.o): Add sese.h.
3005         * graphite.c (bb_in_ss_p, loop_in_sese_p,
3006         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
3007         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
3008         Move to sese.
3009         (block_before_scop): Add missing return.
3010         (new_scop, free_scop): Remove SESE data structures.
3011         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
3012         find_scop_parameters, build_loop_iteration_domains,
3013         add_conditions_to_domain, register_scop_liveout_renames,
3014         copy_bb_and_scalar_dependences): Scop -> SESE.
3015
3016         (add_conditions_to_domain): SCoP -> SESE and remove check
3017         (scop_contains_non_iv_scalar_phi_nodes): New.
3018         (build_scop_conditions_1, build_scop_conditions): Remove check for
3019         non iv scalar phi nodes.
3020         (print_scop_statistics): New.
3021         (graphite_transform_loops): Cleanup.
3022
3023         * graphite.h: Move to sese & cleanup.
3024         * sese.c: New.
3025         * sese.h: New.
3026
3027 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3028             Tobias Grosser  <grosser@fim.uni-passau.de>
3029
3030         * graphite.c (build_scop_conditions_1): Conditions are only
3031         at the end of a basic block.
3032
3033 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3034             Tobias Grosser  <grosser@fim.uni-passau>
3035
3036         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
3037         field.
3038         (GBB_ALPHA): Removed.
3039
3040 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3041             Tobias Grosser  <grosser@fim.uni-passau.de>
3042
3043         * graphite-data-ref.c (graphite_test_dependence): Don't use
3044         GBB_DYNAMIC_SCHEDULE.
3045         * graphite.c (new_graphite_bb): Same.
3046         (free_graphite_bb): Same.
3047         (build_scop_dynamic_schedules): Removed.
3048         (graphite_transform_loops): Don't call it.
3049         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
3050         (GBB_DYNAMIC_SCHEDULE): Removed.
3051
3052 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3053             Tobias Grosser  <grosser@fim.uni-passau.de>
3054
3055         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3056         (print_graphite_bb): Same.
3057         (build_cloog_prog): Same.
3058
3059 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3060             Tobias Grosser  <grosser@fim.uni-passau.de>
3061
3062         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3063
3064 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3065             Tobias Grosser  <grosser@fim.uni-passau.de>
3066
3067         * graphite.c (build_scop_context): Don't use CloogMatrix.
3068         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3069         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3070
3071 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3072             Tobias Grosser  <grosser@fim.uni-passau.de>
3073
3074         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3075         liveout_renames, add_params fields...
3076         (struct sese): ... here.
3077         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3078         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3079
3080 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3081             Tobias Grosser  <grosser@fim.uni-passau.de>
3082
3083         * graphite.c (print_scop): Do not print the CLooG program.
3084         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3085         build_cloog_prog, gloog): Don't use SCOP_PROG.
3086         (find_transform): Renamed scop_to_clast.
3087         (print_generated_program, debug_generated_program): New.
3088         (graphite_transform_loops): Adapt to new interface.
3089         * graphite.h (struct scop): Remove program field.
3090         (SCOP_PROG): Removed.
3091         (print_generated_program, debug_generated_program): Declared.
3092
3093 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3094
3095         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3096         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3097         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3098         free_graphite_bb, build_scop_canonical_schedules,
3099         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3100         schedules are now represented using a ppl_Linear_Expression_t.
3101         * graphite.h (struct graphite_bb): Same.
3102         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3103         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3104
3105 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3106
3107         * graphite.c: Free local memory.
3108         * graphite-ppl.c: Same.
3109
3110 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3111
3112         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3113         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3114         swap_constraint_variables, scale_constraint_variable): Removed.
3115         (graphite_trans_bb_strip_mine): Remove pong.
3116         * graphite-ppl.c: Include missing header files.
3117         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3118         * graphite-ppl.h (ppl_strip_loop): Declared.
3119         * Makefile.in (graphite-ppl.o): Adjust dependences.
3120
3121 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3122
3123         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3124         (build_scop_iteration_domain): Same.
3125
3126 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3127
3128         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3129         ping pong.
3130         (add_value_to_dim, scan_tree_for_params_right_scev,
3131         scan_tree_for_params_int): New.
3132         * graphite-ppl.c (oppose_constraint): New.
3133         (insert_constraint_into_matrix): Implement missing cases.
3134         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3135
3136 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3137
3138         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3139         use ppl_move_dimension.
3140
3141 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3142
3143         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3144         * graphite.c: Same.
3145         * graphite.h: Same.
3146         * graphite-ppl.c: Same.
3147         * graphite-ppl.h: Same.
3148
3149 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3150
3151         Revert last 3 commits.
3152
3153 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3154
3155         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3156         ping pong.
3157         (add_value_to_dim, scan_tree_for_params_right_scev,
3158         scan_tree_for_params_int): New.
3159         * graphite-ppl.c (oppose_constraint): New.
3160         (insert_constraint_into_matrix): Implement missing cases.
3161         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3162
3163 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3164
3165         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3166
3167 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3168             Tobias Grosser  <grosser@fim.uni-passau.de>
3169
3170         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3171         use ppl_move_dimension.
3172         * graphite-ppl.c (ppl_move_dimension): New.
3173         * graphite-ppl.h (ppl_move_dimension): Declared.
3174
3175 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3176
3177         * graphite.c: Do not include cloog/cloog.h.
3178         (print_graphite_bb): Remove ping pong, call PPL print function.
3179
3180 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3181
3182         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3183         (graphite.o): Add dependence on graphite-ppl.h.
3184         (graphite-ppl.o): New.
3185         (graphite-data-ref.c): Ping pong between PPL data structures
3186         and matrices.
3187         * graphite-ppl.c: New.
3188         * graphite-ppl.h: New.
3189         * graphite.c: Include graphite-ppl.h.
3190         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3191         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3192         Ping pong between PPL data structures and matrices.
3193         (new_graphite_bb): Create a PPL constraint system.
3194         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3195         (build_loop_iteration_domains): Use PPL functions.
3196         * graphite.h: Include graphite-ppl.h.  Fix comments.
3197         (graphite_bb): Use a ppl_Constraint_System_t instead of
3198         CloogMatrix for representing the domain.
3199         (scop): Remove static_schedule.
3200         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3201
3202 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3203
3204         * graphite.c: Fix some comments.
3205
3206 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3207
3208         PR middle-end/38953
3209         * graphite.c (if_region_set_false_region): After moving a region
3210         in the false branch of a condition, remove the empty dummy
3211         basic block.
3212         (gloog): Remove wrong fix for PR38953.
3213
3214 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3215
3216         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3217         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3218         register_bb_in_sese, new_sese, free_sese): Moved.
3219         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3220         outermost_loop_in_scop, build_scop_iteration_domain,
3221         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3222         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3223         Use loop_in_sese_p instead of loop_in_scop_p.
3224         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3225         (free_scop): Do not free SCOP_BBS_B.
3226         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3227         ref_nb_loops): Moved here...
3228         * graphite.h (ref_nb_loops): ... from here.
3229         (struct scop): Remove bbs_b bitmap.
3230         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3231         * testsuite/gcc.dg/graphite/scop-19.c: New
3232
3233 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3234
3235         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3236         detection.
3237
3238 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3239
3240         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3241         eq_loop_to_cloog_loop): Remove.
3242         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3243         * graphite.h (struct scop): Remove loop2cloog_loop.
3244         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3245
3246 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3247
3248         * opts.c (decode_options): Only add graphite options to O2
3249         if we compile with graphite enabled.
3250
3251 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3252
3253         * Merge from mainline (r143163:143684).
3254
3255 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3256
3257         * graphite.c (debug_value): Removed.
3258         * graphite.h (debug_value): Removed.
3259
3260 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3261
3262         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3263         after graphite: pass_copy_prop does not maintain a proper loop closed
3264         SSA form.  pass_copy_prop should be fixed.
3265
3266 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3267
3268         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3269
3270 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3271
3272         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3273         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3274         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3275         changed the CFG.
3276
3277 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3278
3279         * graphite.c (gloog): Return true when code gen succeeded.
3280         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3281         the code of the function did not changed.  After cleanup_tree_cfg
3282         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3283         form.
3284
3285 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3286
3287         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3288         gimple_call_lhs is NULL.
3289
3290 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3291             Tobias Grosser  <tobi.grosser@amd.com>
3292
3293         * graphite.c (graphite_trans_scop_block): Do not block single
3294         nested loops.
3295
3296 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3297             Tobias Grosser  <tobi.grosser@amd.com>
3298
3299         * graphite.c (build_scop_canonical_schedules): Start schedules at
3300         zero.
3301
3302 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3303             Tobias Grosser  <tobi.grosser@amd.com>
3304
3305         * graphite.c (compare_prefix_loops): New.
3306         (build_scop_canonical_schedules): Rewritten.
3307         (graphite_transform_loops): Move build_scop_canonical_schedules
3308         after build_scop_iteration_domain.
3309
3310 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3311             Tobias Grosser  <tobi.grosser@amd.com>
3312
3313         * graphite.c (add_conditions_to_domain): Add the loops to
3314         the dimension of the iteration domain.  Do copy the domain
3315         only when it exists.
3316         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3317         (add_conditions_to_constraints): New.
3318         (can_generate_code_stmt, can_generate_code): Removed.
3319         (gloog): Do not call can_generate_code.
3320         (graphite_transform_loops): Call add_conditions_to_constraints
3321         after building the iteration domain.
3322
3323 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3324             Tobias Grosser  <tobi.grosser@amd.com>
3325             Jan Sjodin  <jan.sjodin@amd.com>
3326
3327         * graphite.c (scan_tree_for_params): On substractions negate
3328         all the coefficients of the term.
3329         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3330         of more than two operands.
3331         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3332         (get_vdef_before_scop): Handle also the case of default definitions.
3333
3334 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3335
3336         PR middle-end/38431
3337         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3338         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3339         (gloog): Do not call cleanup_tree_cfg.
3340         (graphite_transform_loops): Call cleanup_tree_cfg after all
3341         scops have been code generated.
3342
3343 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3344
3345         * passes.c (init_optimization_passes): Schedule after
3346         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
3347
3348 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3349
3350         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
3351         Fix comment.
3352         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
3353         Set the type of an expression to the type of its assign statement.
3354         (expand_scalar_variables_expr):  Do not pass loop_p.
3355         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
3356         (copy_bb_and_scalar_dependences): Do not pass loop_p.
3357         (translate_clast): Update call to copy_bb_and_scalar_dependences.
3358
3359 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3360
3361         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
3362         an expression to the gimple_expr_type of its assign statement.
3363         (expand_scalar_variables_expr): Stop recursion on tcc_constant
3364         or tcc_declaration.
3365
3366 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3367
3368         PR tree-optimization/38786
3369         * testsuite/gcc.dg/graphite/pr38786.c: New.
3370         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3371         the SSA_NAME case of expand_scalar_variables_expr.
3372         (expand_scalar_variables_expr): Also gather the scalar computation
3373         used to index the memory access.
3374         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3375         the gimple_stmt_iterator where it inserts new code.
3376
3377 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3378
3379         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
3380
3381 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3382
3383         * opts.c (decode_options): Enable flag_graphite_identity and
3384         flag_loop_block in -O2 and above.
3385
3386 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3387
3388         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
3389         Fix merge problem: replace with the file from trunk.
3390
3391 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3392
3393         * Merge from mainline (r141727:143163).
3394
3395 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
3396             Jan Sjodin  <jan.sjodin@amd.com>
3397
3398         PR tree-optimization/38559
3399         * testsuite/gcc.dg/graphite/pr38559.c: New.
3400
3401         * graphite.c (debug_value, copy_constraint,
3402         swap_constraint_variables, scale_constraint_variable, ): New.
3403         (get_lower_bound, get_upper_bound): Removed.
3404         (graphite_trans_bb_strip_mine): Clean up this code that works
3405         only for constant number of iterations.  Fully copy upper and
3406         lower bound constraints, not only the constant part of them.
3407         * graphite.h (debug_value): Declared.
3408
3409 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
3410
3411         PR tree-optimization/38492
3412         PR tree-optimization/38498
3413         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3414         * tree-chrec.h (scev_is_linear_expression): Declared.
3415         * graphite.c (graphite_cannot_represent_loop_niter): New.
3416         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3417         (graphite_loop_normal_form): Use gcc_assert.
3418         (scan_tree_for_params): Use CASE_CONVERT.
3419         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3420         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3421         Use gcc_assert.  Discard scops that contain unhandled cases.
3422         (build_scop_conditions): Return a boolean status for unhandled cases.
3423         (strip_mine_profitable_p): Print the loop number, not its depth.
3424         (is_interchange_valid): Pass the depth of the loop nest, don't
3425         recompute it wrongly.
3426         (graphite_trans_bb_block): Same.
3427         (graphite_trans_bb_block): Print tentative of loop blocking.
3428         (graphite_trans_scop_block): Do not print that the loop has been
3429         blocked.
3430         (graphite_transform_loops): Do not handle scops that contain condition
3431         scalar phi nodes.
3432
3433         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
3434         in trunk.
3435         * testsuite/gcc.dg/graphite/block-0.c: Update test.
3436         * testsuite/gcc.dg/graphite/block-1.c: Same.
3437         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
3438         blocking.
3439         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
3440         * testsuite/gcc.dg/graphite/block-3.c: New.
3441         * testsuite/gcc.dg/graphite/pr38498.c: New.
3442
3443 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
3444
3445         PR tree-optimization/38510
3446         * gcc.dg/graphite/pr38510.c: New.
3447         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3448           (translate_clast): Call recompute_all_dominators before
3449           graphite_verify.
3450           (gloog): Call recompute_all_dominators before graphite_verify.
3451
3452 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
3453
3454         PR tree-optimization/38492
3455         * graphite.c (rename_map_elt, debug_rename_elt,
3456         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3457         rename_map_elt_info, eq_rename_map_elts,
3458         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3459         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3460         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3461         (sese_build_livein_liveouts): New.
3462         (new_sese, free_sese): New.
3463         (new_scop): Call new_sese.
3464         (free_scop): Call free_sese.
3465         (rename_variables_from_edge, rename_phis_end_scop): Removed.
3466         (register_old_new_names): Renamed register_old_and_new_names.
3467         (register_scop_liveout_renames, add_loop_exit_phis,
3468         insert_loop_close_phis, struct igp,
3469         default_liveout_before_guard, add_guard_exit_phis,
3470         insert_guard_phis, copy_renames): New.
3471         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3472         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3473         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3474         (scop_adjust_phis_for_liveouts): New.
3475         (gloog): Call scop_adjust_phis_for_liveouts.
3476
3477         * graphite.h (struct sese): Documented.  Added fields liveout,
3478         num_ver and livein.
3479         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3480         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3481         (struct scop): Added field liveout_renames.
3482         (SCOP_LIVEOUT_RENAMES): New.
3483
3484 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3485
3486         PR tree-optimization/38409
3487         * gcc.dg/graphite/pr38409.c: New.
3488         * graphite.c (nb_reductions_in_loop): Use simple_iv.
3489
3490 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3491
3492         * graphite.c (gcc_type_for_cloog_iv): By default return
3493         integer_type_node.
3494         (graphite_create_new_loop): Don't fold_convert the already
3495         fold_convert-ed expression.
3496
3497 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
3498
3499         PR tree-optimization/38446
3500         * gcc.dg/graphite/pr38446.c: New.
3501         * graphite.c (register_bb_in_sese): New.
3502         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
3503         looking at the bbs in the region.
3504         * graphite.h (sese): Add region_basic_blocks pointer set to
3505         structure and initialize at the time of defining new scop.
3506
3507 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3508
3509         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
3510         (find_params_in_bb): Do not free data refs.
3511         (free_graphite_bb): Add FIXME on disabled free_data_refs.
3512
3513 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3514
3515         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
3516         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3517         * testsuite/gcc.dg/graphite/block-5.c: New.
3518         * testsuite/gcc.dg/graphite/block-6.c: New.
3519         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
3520         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3521         * testsuite/gcc.dg/graphite/block-2.c: Same.
3522
3523         * graphite.c (struct ivtype_map_elt): New.
3524         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
3525         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
3526         gcc_type_for_cloog_iv): New.
3527         (loop_iv_stack_patch_for_consts): Use the type of the induction
3528         variable from the original loop, except for the automatically
3529         generated loops, i.e., in the case of a strip-mined loop, in
3530         which case there is no original loop: in that case just use
3531         integer_type_node.
3532         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
3533         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
3534         (clast_name_to_gcc): Accept params to be NULL.
3535         (clast_to_gcc_expression): Take an extra parameter for the type.
3536         Convert to that type all the expressions built by this function.
3537         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
3538         (graphite_translate_clast_equation): Compute the type of the
3539         clast_equation before translating its LHS and RHS.
3540         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
3541         (graphite_create_new_loop): Compute the type of the induction
3542         variable before translating the lower and upper bounds and before
3543         creating the induction variable.
3544         (rename_variables_from_edge, rename_phis_end_scop): New.
3545         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
3546         (sese_add_exit_phis_edge): Do not use integer_zero_node.
3547         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3548         compute_cloog_iv_types): New.
3549         (gloog): Call compute_cloog_iv_types before starting the
3550         translation of the clast.
3551
3552         * graphite.h (struct graphite_bb): New field cloog_iv_types.
3553         (GBB_CLOOG_IV_TYPES): New.
3554         (debug_ivtype_map): Declared.
3555         (oldiv_for_loop): New.
3556
3557 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3558
3559         PR middle-end/38459
3560         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
3561         (param_index): Assert if parameter is not know after parameter
3562         detection.
3563         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
3564         (find_scop_parameters): Mark, that we have finished parameter
3565         detection.
3566         (graphite_transform_loops): Move condition detection before parameter
3567         detection.
3568         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
3569         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
3570
3571 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3572
3573         * graphite.c (graphite_transform_loops): Always call find_transform ()
3574         in ENABLE_CHECKING.  So we test these code paths, even if we do not
3575         generate code.
3576
3577 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3578
3579         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
3580         (print_scop): Ditto.
3581
3582 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3583
3584         PR middle-end/38084
3585         Fix testsuite/gfortran.dg/graphite/id-3.f90.
3586         * graphite.c (scopdet_basic_block_info): Fix bug that found some
3587         regions more than once.
3588
3589 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3590
3591         Fix testsuite/gfortran.dg/graphite/id-4.f90.
3592         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
3593         when not needed.
3594
3595 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3596
3597         Fix testsuite/gfortran.dg/graphite/id-1.f90.
3598         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
3599         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
3600         (max_precision_type): New.
3601         (value_clast): Removed.
3602         (clast_to_gcc_expression): Be more careful to types of expressions.
3603         Use max_precision_type and update use of gmp_cst_to_tree.
3604         (graphite_translate_clast_equation): Use max_precision_type.
3605         (graphite_create_guard_cond_expr): Do not use integer_type_node,
3606         use the type of the condition.
3607         (graphite_create_new_loop): Do not use integer_type_node, use the
3608         max_precision_type of lb and ub.
3609
3610 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3611
3612         * graphite.c (build_scops_1): Initialize open_scop.exit
3613         and sinfo.last.
3614
3615 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3616
3617         * testsuite/gcc.dg/graphite/pr38084.c: New.
3618         * testsuite/gfortran.dg/graphite/id-1.f90: New.
3619         * testsuite/gfortran.dg/graphite/id-2.f90: New.
3620         * testsuite/gfortran.dg/graphite/id-3.f90: New.
3621         * testsuite/gfortran.dg/graphite/id-4.f90: New.
3622         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
3623
3624 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3625             Jan Sjodin  <jan.sjodin@amd.com>
3626             Harsha Jagasia  <harsha.jagasia@amd.com>
3627
3628         PR middle-end/37852
3629         PR middle-end/37883
3630         PR middle-end/37928
3631         PR middle-end/37980
3632         PR middle-end/38038
3633         PR middle-end/38039
3634         PR middle-end/38073
3635         PR middle-end/38083
3636         PR middle-end/38125
3637
3638         * testsuite/gcc.dg/graphite/pr38073.c: New.
3639         * testsuite/gcc.dg/graphite/pr37928.c: New.
3640         * testsuite/gcc.dg/graphite/pr37883.c: New.
3641         * testsuite/gcc.dg/graphite/pr38125.c: New.
3642         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
3643         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
3644         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
3645
3646         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
3647         the number of detected scops.  Copy exact same test for loop
3648         blocking...
3649         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
3650         loops to be blocked as reductions are not handled.
3651         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
3652
3653         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
3654         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
3655         ...here.
3656         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
3657         * Makefile.in (graphite.o): Depend on value-prof.h.
3658         (graphite.o-warn): Removed -Wno-error.
3659         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
3660         to be a NULL pointer.  Call update_stmt.  Return the newly created
3661         cannonical induction variable.
3662
3663         * graphite.h (debug_rename_map): Declared.  Fix some comments.
3664
3665         * graphite.c: Reimplement the code generation from graphite to gimple.
3666         Include value-prof.h.
3667         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
3668         (get_old_iv_from_ssa_name): Removed.
3669         (graphite_stmt_p): New.
3670         (new_graphite_bb): Test for useful statements before building a
3671         graphite statement for the basic block.
3672         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
3673         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
3674         reason.
3675         (recompute_all_dominators, graphite_verify,
3676         nb_reductions_in_loop, graphite_loop_normal_form): New.
3677         (scop_record_loop): Call graphite_loop_normal_form.
3678         (build_scop_loop_nests): Iterate over all the blocks of the
3679         function instead of relying on the incomplete information from
3680         SCOP_BBS.  Return the success of the operation.
3681         (find_params_in_bb): Use the data from GBB_DATA_REFS.
3682         (add_bb_domains): Removed.
3683         (build_loop_iteration_domains): Don't call add_bb_domains.
3684         Add the iteration domain only to the basic blocks that have been
3685         translated to graphite.
3686         (build_scop_conditions_1): Add constraints only if the basic
3687         block have been translated to graphite.
3688         (build_scop_data_accesses): Completely disabled until data
3689         dependence is correctly implemented.
3690         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
3691         (remove_all_edges_1, remove_all_edges): Removed.
3692         (get_new_name_from_old_name): New.
3693         (graphite_rename_variables_in_stmt): Renamed
3694         rename_variables_in_stmt.  Call get_new_name_from_old_name.
3695         Use replace_exp and update_stmt.
3696         (is_old_iv): Renamed is_iv.
3697         (expand_scalar_variables_stmt): Extra parameter for renaming map.
3698         Use replace_exp and update_stmt.
3699         (expand_scalar_variables_expr): Same.  Use the map to get the
3700         new names for the renaming of induction variables and for the
3701         renaming of variables after a basic block has been copied.
3702         (expand_scalar_variables): Same.
3703         (graphite_rename_variables): Renamed rename_variables.
3704         (move_phi_nodes): Removed.
3705         (get_false_edge_from_guard_bb): New.
3706         (build_iv_mapping): Do not insert the induction variable of a
3707         loop in the renaming iv map if the basic block does not belong
3708         to that loop.
3709         (register_old_new_names, graphite_copy_stmts_from_block,
3710         copy_bb_and_scalar_dependences): New.
3711         (translate_clast): Heavily reimplemented: copy basic blocks,
3712         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
3713         At each translation step call graphite_verify ensuring the
3714         consistency of the SSA, loops and dominators information.
3715         (collect_virtual_phis, find_vdef_for_var_in_bb,
3716         find_vdef_for_var_1, find_vdef_for_var,
3717         patch_phis_for_virtual_defs): Removed huge hack.
3718         (mark_old_loops, remove_dead_loops, skip_phi_defs,
3719         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
3720         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
3721         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
3722         if_region_get_condition_block, if_region_set_false_region,
3723         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
3724         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
3725         sese_add_exit_phis_edge, sese_add_exit_phis_var,
3726         rewrite_into_sese_closed_ssa): New.
3727         (gloog): Remove dead code.  Early return if code cannot be
3728         generated.  Call cleanup_tree_cfg once the scop has been code
3729         generated.
3730         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
3731         block loops with less than two loops.
3732         (graphite_apply_transformations): Remove the call to
3733         scop_remove_ignoreable_gbbs.
3734         (limit_scops): When build_scop_loop_nests fails, continue on
3735         the next scop.  Fix open_scop.entry.
3736         (graphite_transform_loops): Call recompute_all_dominators: force the
3737         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
3738         Call initialize_original_copy_tables and free_original_copy_tables
3739         to be able to copy basic blocks during code generation.
3740         When build_scop_loop_nests fails, continue on next scop.
3741         (value_clast): New union.
3742         (clast_to_gcc_expression): Fix type cast warning.
3743
3744 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
3745
3746         * Merge from mainline (r140838:141727).
3747
3748 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3749
3750         PR middle-end/37833
3751
3752         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
3753
3754 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3755
3756         PR middle-end/37943
3757
3758         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
3759         exits and conditions.
3760         * testsuite/gcc.dg/graphite/pr37943.c: New.
3761
3762 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3763
3764         PR middle-end/37886
3765         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
3766
3767 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3768
3769         * doc/invoke.texi: Fix spaces.
3770
3771 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
3772
3773         PR tree-optimization/37891
3774         Reverted last commit.
3775         * graphite.c (create_single_entry_edge): Set
3776         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3777
3778 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
3779             Mitul Thakkar  <mitul.thakkar@amd.com>
3780
3781         * graphite.c (create_single_entry_edge): Set
3782         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3783
3784 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
3785
3786         * doc/invoke.texi: Add -fgraphite-identity.
3787         * graphite.c (graphite_apply_transformations): Check for
3788         -fgraphite-identity.
3789         * toplev.c (process_options): Add flag_graphite_identity.
3790         * tree-ssa-loop.c: Add flag_graphite_identity.
3791
3792 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3793
3794         Undo changes from 2008-10-02:
3795         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3796         operand type when copying the operand to a variable of different type.
3797         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3798         with the IV name after increment.
3799
3800 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3801             Harsha Jagasia  <harsha.jagasia@amd.com>
3802
3803         PR tree-optimization/37828
3804         * testsuite/gcc.dg/graphite/pr37828.c: New.
3805         * graphite.c (graphite_trans_loop_block): Do not loop block
3806         single nested loops.
3807
3808 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
3809             Sebastian Pop  <sebastian.pop@amd.com>
3810
3811         * graphite.c (struct rename_map_elt, new_rename_map_elt,
3812         rename_map_elt_info, eq_rename_map_elts): New.
3813         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
3814         (expand_scalar_variables_expr): Change parameters.
3815         (expand_scalar_variables_stmt): Same.
3816         (expand_scalar_variables): Same.
3817         (graphite_rename_ivs): Rename graphite_rename_variables.
3818         (build_iv_mapping): New.
3819         (translate_clast): Call build_iv_mapping.
3820         * graphite.h (gbb_p): New name.
3821
3822 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
3823
3824         PR tree-optimization/37684
3825         * gcc.dg/graphite/pr37684.c: New.
3826         * graphite.c (exclude_component_ref): New.
3827         (is_simple_operand): Call exclude_component_ref.
3828
3829 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
3830             Harsha Jagasia  <harsha.jagasia@amd.com>
3831
3832         PR tree-optimization/37485
3833         * gcc.dg/graphite/block-2.c: New
3834         * graphite.c (gmp_cst_to_tree): Moved.
3835         (iv_stack_entry_is_constant): New.
3836         (iv_stack_entry_is_iv): New.
3837         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
3838         (loop_iv_stack_insert_constant): New.
3839         (loop_iv_stack_pop): Use new datatpype.
3840         (loop_iv_stack_get_iv): Same.
3841         (loop_iv_stack_get_iv_from_name): Same.
3842         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
3843         (loop_iv_stack_patch_for_consts): New.
3844         (loop_iv_stack_remove_constants): New.
3845         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
3846         (translate_clast): Call loop_iv_stack_patch_for_consts and
3847         loop_iv_stack_remove_constants.
3848         (gloog): Use new datatype.  Redirect construction edge to end
3849         block to avoid accidental deletion.
3850         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
3851         iv stack entry.
3852         (union iv_stack_entry_data): New.  Data in iv stack entry.
3853         (struct iv_stack_entry): New.  Datatype for iv stack entries.
3854
3855 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3856
3857         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3858         operand type when copying the operand to a variable of different type.
3859
3860 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3861
3862         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3863         with the IV name after increment.
3864
3865 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3866
3867         * Merge from mainline (r140164:140838).
3868
3869 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
3870
3871         * graphite-data-ref.c: New.
3872         * graphite.c (print_scop): Also dump the dependence graph.
3873         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
3874         (new_scop): Initialize SCOP_DEP_GRAPH.
3875         (build_scop_dynamic_schedules): New.
3876         (build_access_matrix_with_af): Fixed column numbering.
3877         (graphite_transform_loops): Call build_scop_dynamic_schedules.
3878         * graphite.h: Add ifndef/define guards against multiple inclusion.
3879         (struct scop): Add dep_graph field.
3880         (SCOP_DEP_GRAPH): Defined.
3881         (ref_nb_loops): Fixed and moved to other position.
3882         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
3883         (nb_loops_around_loop_in_scop): New.
3884         (graphite_dump_dependence_graph): Declared.
3885         (graphite_build_rdg_all_levels): Declared.
3886         (graphite_test_dependence): Declared.
3887         * Makefile.in (graphite-data-ref.o): New target.
3888
3889 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
3890
3891         * Merge from mainline (139870:140164).
3892
3893 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3894
3895         * Merge from mainline (138275:139870).
3896         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
3897         the commits from trunk broke the niter detection.
3898
3899 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3900
3901         * graphite.c: Add more documentation.  Fix formatting.
3902         (debug_loop_vec, debug_oldivs, loop_iv_stack,
3903         loop_iv_stack_debug): Moved...
3904         (schedule_to_scattering): Move before use.
3905         (dot_all_scops): Include in "#if 0" the c