gcc/ChangeLog.graphite

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