gcc/ChangeLog.graphite

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