gcc/ChangeLog.graphite

   1 2011-05-26  Alexey Kravets  <kayrick@ispras.ru>
   2
   3         PR middle-end/49147
   4         * graphite-opencl-codegen.c
   5         (opencl_get_perfect_nested_loop_depth): Use
   6         enabled_dependency_in_clast_loop_p instead of
   7         dependency_in_clast_loop_p.
   8         * graphite-opencl.c (opencl_transform_stmt_list): Ditto.
   9         (enabled_dependency_in_clast_loop_p): New.
  10         * graphite-opencl.h (enabled_dependency_in_clast_loop_p): Export.
  11
  12         * gcc.dg/graphite/pr49147.c: New test.
  13
  14 2011-05-24  Sebastian Pop  <sebastian.pop@amd.com>
  15
  16         * graphite-opencl-codegen.c (opencl_print_local_vars): Fix typo.
  17
  18 2011-05-24  Sebastian Pop  <sebastian.pop@amd.com>
  19
  20         * graphite-dependences.c (graphite_outer_subscript_bound): Remove
  21         memory leaks, add one more assert.
  22
  23 2011-05-24  Sebastian Pop  <sebastian.pop@amd.com>
  24
  25         * graphite-dependences.c (build_alias_set_powerset): Remove
  26         continue from loop, add one more assert.
  27
  28 2011-05-24  Sebastian Pop  <sebastian.pop@amd.com>
  29
  30         * graphite-dependences.c (graphite_outer_subscript_bound): Remove
  31         unused parameter.
  32         * graphite-dependences.h (graphite_outer_subscript_bound): Same.
  33         * graphite-opencl-meta-clast.c (opencl_set_meta_rw_flags): Update
  34         call to graphite_outer_subscript_bound.
  35         * graphite-opencl.c (opencl_get_indirect_size): Same.
  36
  37 2011-05-24  Alexey Kravets  <kayrick@ispras.ru>
  38
  39         * graphite-opencl.c (opencl_private_var_name_p): Removed.
  40         (graphite_artificial_array_p): Removed.
  41         (opencl_data_create): Use zero_dim_array_p instead of
  42         graphite_artificial_array_p.
  43
  44 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
  45
  46         * graphite-opencl.c (opencl_create_function_call): Use cl_khr_fp64
  47         pragma extension only when it is defined.  Use cl_amd_fp64 when it
  48         is defined.
  49
  50 2011-01-23  Tobias Grosser  <grosser@fim.uni-passau.de>
  51
  52         * doc/install.texi: Replace '/' by an or and give the exact
  53                             version number of cloog-0.16.1
  54
  55 2011-01-20  Sebastian Pop  <sebastian.pop@amd.com>
  56
  57         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
  58         (close_phi_written_to_memory): Call for_each_index with
  59         dr_indices_valid_in_loop.
  60
  61         * gfortran.dg/graphite/id-24.f: New.
  62         * gfortran.dg/graphite/id-25.f: New.
  63
  64 2011-01-19  Sebastian Pop  <sebastian.pop@amd.com>
  65
  66         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
  67         when it is initialized.
  68
  69         * gfortran.dg/graphite/id-23.f: New.
  70
  71 2011-01-19  Sebastian Pop  <sebastian.pop@amd.com>
  72
  73         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
  74         call to graphite_find_data_references_in_stmt.
  75         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
  76         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
  77         call to graphite_find_data_references_in_stmt.
  78         (analyze_drs_in_stmts): Same.
  79         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
  80         in which the scalar analysis of indices is performed.
  81         (create_data_ref): Same.  Update call to dr_analyze_indices.
  82         (find_data_references_in_stmt): Update call to create_data_ref.
  83         (graphite_find_data_references_in_stmt): Same.
  84         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
  85         declaration.
  86         (create_data_ref): Same.
  87         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
  88         call to create_data_ref.
  89
  90 2011-01-19  Sebastian Pop  <sebastian.pop@amd.com>
  91
  92         * graphite-sese-to-poly.c (build_poly_scop): Move
  93         rewrite_commutative_reductions_out_of_ssa before
  94         find_scop_parameters.
  95
  96 2011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
  97
  98         PR tree-optimization/46970
  99         * gcc.dg/graphite/pr46970.c: New.
 100
 101 2011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
 102
 103         PR tree-optimization/46215
 104         * gcc.dg/graphite/pr46215.c: New.
 105
 106 2011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
 107
 108         PR tree-optimization/46168
 109         * gcc.dg/graphite/pr46168.c: New.
 110
 111 2011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
 112
 113         PR tree-optimization/43657
 114         * gcc.dg/graphite/pr43657.c: New.
 115
 116 2011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
 117
 118         PR tree-optimization/29832
 119         * gfortran.dg/graphite/pr29832.f90: New.
 120
 121 2011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
 122
 123         PR tree-optimization/43567
 124         * gcc.dg/graphite/pr43567.c: New.
 125
 126 2011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
 127
 128         PR tree-optimization/43567
 129         * gcc.dg/graphite/pr43567.c: New.
 130
 131 2011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
 132
 133         * Makefile.in (LAMBDA_H): Removed.
 134         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
 135         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
 136         lambda-trans.o, and tree-loop-linear.o.
 137         (lto-symtab.o): Remove dependence on LAMBDA_H.
 138         (tree-loop-linear.o): Remove rule.
 139         (lambda-mat.o): Same.
 140         (lambda-trans.o): Same.
 141         (lambda-code.o): Same.
 142         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
 143         (tree-vect-slp.o): Same.
 144         * hwint.h (gcd): Moved here.
 145         (least_common_multiple): Same.
 146         * lambda-code.c: Removed.
 147         * lambda-mat.c: Removed.
 148         * lambda-trans.c: Removed.
 149         * lambda.h: Removed.
 150         * tree-loop-linear.c: Removed.
 151         * lto-symtab.c: Do not include lambda.h.
 152         * omega.c (gcd): Removed.
 153         * passes.c (init_optimization_passes): Remove pass_linear_transform.
 154         * tree-data-ref.c (print_lambda_vector): Moved here.
 155         (lambda_vector_copy): Same.
 156         (lambda_matrix_copy): Same.
 157         (lambda_matrix_id): Same.
 158         (lambda_vector_first_nz): Same.
 159         (lambda_matrix_row_add): Same.
 160         (lambda_matrix_row_exchange): Same.
 161         (lambda_vector_mult_const): Same.
 162         (lambda_vector_negate): Same.
 163         (lambda_matrix_row_negate): Same.
 164         (lambda_vector_equal): Same.
 165         (lambda_matrix_right_hermite): Same.
 166         * tree-data-ref.h: Do not include lambda.h.
 167         (lambda_vector): Moved here.
 168         (lambda_matrix): Same.
 169         (dependence_level): Same.
 170         (lambda_transform_legal_p): Removed declaration.
 171         (lambda_collect_parameters): Same.
 172         (lambda_compute_access_matrices): Same.
 173         (lambda_vector_gcd): Same.
 174         (lambda_vector_new): Same.
 175         (lambda_vector_clear): Same.
 176         (lambda_vector_lexico_pos): Same.
 177         (lambda_vector_zerop): Same.
 178         (lambda_matrix_new): Same.
 179         * tree-flow.h (least_common_multiple): Removed declaration.
 180         * tree-parloops.c (lambda_trans_matrix): Moved here.
 181         (LTM_MATRIX): Same.
 182         (LTM_ROWSIZE): Same.
 183         (LTM_COLSIZE): Same.
 184         (LTM_DENOMINATOR): Same.
 185         (lambda_trans_matrix_new): Same.
 186         (lambda_matrix_vector_mult): Same.
 187         (lambda_transform_legal_p): Same.
 188         * tree-pass.h (pass_linear_transform): Removed declaration.
 189         * tree-ssa-loop.c (tree_linear_transform): Removed.
 190         (gate_tree_linear_transform): Removed.
 191         (pass_linear_transform): Removed.
 192         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
 193         flag_loop_interchange.
 194
 195         * gfortran.dg/graphite/interchange-4.f: New.
 196         * gfortran.dg/graphite/interchange-5.f: New.
 197
 198         * gcc.dg/tree-ssa/ltrans-1.c: Removed.
 199         * gcc.dg/tree-ssa/ltrans-2.c: Removed.
 200         * gcc.dg/tree-ssa/ltrans-3.c: Removed.
 201         * gcc.dg/tree-ssa/ltrans-4.c: Removed.
 202         * gcc.dg/tree-ssa/ltrans-5.c: Removed.
 203         * gcc.dg/tree-ssa/ltrans-6.c: Removed.
 204         * gcc.dg/tree-ssa/ltrans-8.c: Removed.
 205         * gfortran.dg/ltrans-7.f90: Removed.
 206         * gcc.dg/tree-ssa/data-dep-1.c: Removed.
 207
 208         * gcc.dg/pr18792.c: -> gcc.dg/graphite/pr18792.c
 209         * gcc.dg/pr19910.c: -> gcc.dg/graphite/pr19910.c
 210         * gcc.dg/tree-ssa/20041110-1.c: -> gcc.dg/graphite/pr20041110-1.c
 211         * gcc.dg/tree-ssa/pr20256.c: -> gcc.dg/graphite/pr20256.c
 212         * gcc.dg/pr23625.c: -> gcc.dg/graphite/pr23625.c
 213         * gcc.dg/tree-ssa/pr23820.c: -> gcc.dg/graphite/pr23820.c
 214         * gcc.dg/tree-ssa/pr24309.c: -> gcc.dg/graphite/pr24309.c
 215         * gcc.dg/tree-ssa/pr26435.c: -> gcc.dg/graphite/pr26435.c
 216         * gcc.dg/pr29330.c: -> gcc.dg/graphite/pr29330.c
 217         * gcc.dg/pr29581-1.c: -> gcc.dg/graphite/pr29581-1.c
 218         * gcc.dg/pr29581-2.c: -> gcc.dg/graphite/pr29581-2.c
 219         * gcc.dg/pr29581-3.c: -> gcc.dg/graphite/pr29581-3.c
 220         * gcc.dg/pr29581-4.c: -> gcc.dg/graphite/pr29581-4.c
 221         * gcc.dg/tree-ssa/loop-27.c: -> gcc.dg/graphite/pr30565.c
 222         * gcc.dg/tree-ssa/pr31183.c: -> gcc.dg/graphite/pr31183.c
 223         * gcc.dg/tree-ssa/pr33576.c: -> gcc.dg/graphite/pr33576.c
 224         * gcc.dg/tree-ssa/pr33766.c: -> gcc.dg/graphite/pr33766.c
 225         * gcc.dg/pr34016.c: -> gcc.dg/graphite/pr34016.c
 226         * gcc.dg/tree-ssa/pr34017.c: -> gcc.dg/graphite/pr34017.c
 227         * gcc.dg/tree-ssa/pr34123.c: -> gcc.dg/graphite/pr34123.c
 228         * gcc.dg/tree-ssa/pr36287.c: -> gcc.dg/graphite/pr36287.c
 229         * gcc.dg/tree-ssa/pr37686.c: -> gcc.dg/graphite/pr37686.c
 230         * gcc.dg/pr42917.c: -> gcc.dg/graphite/pr42917.c
 231         * gcc.dg/tree-ssa/data-dep-1.c
 232         * gfortran.dg/loop_nest_1.f90: -> gfortran.dg/graphite/pr29290.f90
 233         * gfortran.dg/pr29581.f90: -> gfortran.dg/graphite/pr29581.f90
 234         * gfortran.dg/pr36286.f90: -> gfortran.dg/graphite/pr36286.f90
 235         * gfortran.dg/pr36922.f: -> gfortran.dg/graphite/pr36922.f
 236         * gfortran.dg/pr39516.f: -> gfortran.dg/graphite/pr39516.f
 237
 238 2011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
 239
 240         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
 241         VAR_DECL, PARM_DECL, and RESULT_DECL.
 242
 243         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
 244
 245 2011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
 246
 247         * graphite-dependences.c (reduction_dr_1): Allow several reductions
 248         in a reduction PBB.
 249         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
 250         that have already been marked as PBB_IS_REDUCTION.
 251
 252 2011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
 253
 254         * graphite-scop-detection.c (same_close_phi_node): New.
 255         (remove_duplicate_close_phi): New.
 256         (make_close_phi_nodes_unique): New.
 257         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
 258
 259 2011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
 260
 261         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
 262         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
 263         of both data references to be the same.
 264
 265 2011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
 266
 267         * graphite-dependences.c (build_lexicographical_constraint): Remove the
 268         gdim parameter.
 269         (build_lexicographical_constraint): Adjust call to ppl_powerset_is_empty.
 270         (dependence_polyhedron): Same.
 271         (graphite_legal_transform_dr): Same.
 272         (graphite_carried_dependence_level_k): Same.
 273         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params parameter.
 274         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
 275
 276 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 277
 278         * graphite-sese-to-poly.c
 279         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
 280         (close_phi_written_to_memory): New.
 281         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
 282         and unshare_expr.
 283
 284         * gcc.dg/graphite/block-0.c: Un-XFAILed.
 285         * gcc.dg/graphite/block-1.c: Un-XFAILed.
 286         * gcc.dg/graphite/block-7.c: Un-XFAILed.
 287         * gcc.dg/graphite/block-8.c: Un-XFAILed.
 288         * gcc.dg/graphite/interchange-12.c: Un-XFAILed.
 289         * gcc.dg/graphite/interchange-14.c: Un-XFAILed.
 290         * gcc.dg/graphite/interchange-15.c: Un-XFAILed.
 291         * gcc.dg/graphite/interchange-8.c: Un-XFAILed.
 292         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
 293
 294 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 295
 296         * doc/install.texi: Update the expected version number of PPL to 0.11.
 297         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
 298         #if PPL_VERSION_MINOR < 11.
 299
 300 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 301
 302         * graphite-dependences.c (new_poly_ddr): Inlined into
 303         dependence_polyhedron.
 304         (free_poly_ddr): Moved close by new_poly_ddr.
 305         (dependence_polyhedron_1): Renamed dependence_polyhedron.
 306         Early return NULL when ppl_powerset_is_empty returns true.
 307         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
 308         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
 309         (graphite_legal_transform_dr): Call new_poly_ddr.
 310         (graphite_carried_dependence_level_k): Same.
 311         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
 312         (dot_transformed_deps_stmt_1): Removed.
 313         (dot_deps_stmt_1): Call dot_deps_stmt_2.
 314         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
 315         (dot_deps_1): Call dot_deps_2.
 316
 317 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 318
 319         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
 320         (build_lexicographical_constraint): Same.
 321         (dependence_polyhedron_1): Same.
 322         (graphite_legal_transform_dr): Same.
 323         (graphite_carried_dependence_level_k): Same.
 324         * graphite-ppl.c (ppl_powerset_is_empty): New.
 325         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
 326         * tree-data-ref.c (dump_data_reference): Print the basic block index.
 327
 328         * gcc.dg/graphite/block-0.c: Add documentation.
 329         * gcc.dg/graphite/block-4.c: Same.
 330         * gcc.dg/graphite/block-7.c: Same.
 331         * gcc.dg/graphite/block-8.c: New.
 332         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
 333         * gcc.dg/graphite/interchange-11.c: Un-XFAILed.
 334         * gcc.dg/graphite/interchange-12.c: Add documentation.
 335         * gcc.dg/graphite/interchange-13.c: New.
 336         * gcc.dg/graphite/interchange-14.c: New.
 337         * gcc.dg/graphite/interchange-15.c: New.
 338         * gcc.dg/graphite/interchange-8.c: Add documentation.
 339         * gcc.dg/graphite/interchange-mvt.c: Same.
 340
 341 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 342
 343         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
 344         the "a followed by b" relation and document it.
 345
 346 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 347
 348         * graphite-dependences.c (build_lexicographical_constraint): Stop the
 349         iteration when the bag of constraints is empty.
 350
 351 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 352
 353         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
 354
 355 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 356
 357         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
 358         nest and two loop depths as parameters.
 359         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
 360         lst_perfect_nestify.
 361
 362 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 363
 364         * graphite-dependences.c (print_pddr): Call
 365         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
 366
 367 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 368
 369         * graphite-ppl.c (debug_gmp_value): New.
 370         * graphite-ppl.h (debug_gmp_value): Declared.
 371
 372 2011-01-13  Tobias Grosser  <grosser@fim.uni-passau.de>
 373
 374         * doc/install.texi: Document availability of cloog-0.16
 375
 376 2011-01-05  Vladimir Kargov  <kargov@gmail.com>
 377
 378         * graphite-scop-detection.c (is_valid_stmt_p): Pass the entry basic
 379         block instead of region start to the instantiation.
 380         (is_valid_bb_p): Add support for basic blocks with conditional
 381         statements.
 382         (find_scops_new): Recalculate dominance info before SCOP
 383         detection.
 384
 385 2011-01-05  Vladimir Kargov  <kargov@gmail.com>
 386
 387         * graphite-scop-detection.c (get_outermost_loop_in_region): New.
 388         (is_valid_loop_p): Correct loop passed to stmt_has_simple_data_refs_p
 389
 390 2011-01-05  Vladimir Kargov  <kargov@gmail.com>
 391
 392         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
 393         invalid postdominance info
 394
 395 2010-12-29  Sebastian Pop  <sebastian.pop@amd.com>
 396
 397         * Makefile.in (graphite-opencl-codegen.o): Update dependences.
 398         (graphite-opencl-meta-clast.o): Same.
 399         (graphite-opencl.o): Same.
 400         (refined-regions.o): Same.
 401         * graphite-opencl-codegen.c: Do not include unnecessary .h files.
 402         * graphite-opencl-meta-clast.c: Same.
 403         * graphite-opencl.c: Same.
 404         * refined-regions.c: Same.
 405
 406 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
 407
 408         * graphite-opencl-codegen.c: Use FOR_EACH_VEC_ELT.
 409         * graphite-opencl-meta-clast.c: Same.
 410         * graphite-opencl.c: Same.
 411
 412 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
 413
 414         * graphite-opencl-codegen.c: Do not include sys/time.h.
 415         * graphite-opencl.c: Same.
 416
 417 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
 418
 419         * graphite-opencl.c (h_context, h_cmd_queue, h_program): Moved
 420         out of ifdef HAVE_cloog section.
 421
 422 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
 423
 424         * Makefile.in (graphite-opencl.o): Depends on
 425         graphite-opencl-functions.def.
 426         * graphite-opencl-functions.def: New.
 427         * graphite-opencl.c (enum OPENCL_FUNCTIONS): Read data from
 428         graphite-opencl-functions.def.
 429         (opencl_function_names): Same.
 430         (opencl_create_function_decl): Use the enum OPENCL_FUNCTIONS
 431         as indices of opencl_function_names.
 432
 433 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
 434
 435         * graphite-opencl-codegen.c: Fix formatting.
 436         * graphite-opencl-meta-clast.c: Same.
 437         * graphite-opencl.c: Same.
 438
 439 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
 440
 441         * graphite-opencl-codegen.c: Fix formating problems.
 442         * graphite-opencl-meta-clast.c: Same.
 443         * graphite-opencl.c: Same.
 444         * graphite-opencl.h: Same.
 445
 446 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
 447
 448         * graphite-opencl-codegen.c: Sort topologically static functions.
 449         * graphite-opencl.c: Same.
 450
 451 2010-12-25  Sebastian Pop  <sebastian.pop@amd.com>
 452
 453         * graphite-cloog-compat.h (cloog_names_nb_scattering): New.
 454         (cloog_names_scattering): New.
 455         * graphite-opencl-codegen.c (opencl_constant_expression_p): Use
 456         clast_expr_* instead of expr_*.  Call clast_name_to_str.
 457         (opencl_clast_name_to_tree): Now takes a clast_name_p in parameter.
 458         (opencl_get_scat_real_name): Same.  Call clast_name_to_str.
 459         (opencl_add_scat_as_arg): Same.
 460         (opencl_print_local_vars): Call cloog_names_scattering and
 461         cloog_names_nb_scattering.
 462         (opencl_print_for): Do not call value_*.
 463         (opencl_print_term): Same.
 464         (opencl_print_expr): Use clast_expr_* instead of expr_*.
 465         (opencl_print_sum): Same.
 466         (opencl_print_binary): Same.
 467
 468 2010-12-25  Alexey Kravets  <kayrick@ispras.ru>
 469
 470         * Makefile.in (OBJS-common): Add graphite-opencl-codegen.o,
 471         graphite-opencl-meta-clast.o and graphite-opencl.o.
 472         (graphite-opencl-codegen.o): New.
 473         (graphite-opencl-meta-clast.o): New.
 474         (graphite-opencl.o): New.
 475         (GTFILES): Add graphite-opencl.c.
 476         * common.opt (fgraphite-opencl): New.
 477         (fgraphite-opencl-cpu): New.
 478         (fgraphite-opencl-ignore-depth-heuristic): New.
 479         (fgraphite-opencl-ignore-mem-heuristic): New.
 480         (fgraphite-opencl-ignore-dep): New.
 481         (fgraphite-opencl-ignore-types): New.
 482         (fgraphite-opencl-depth-base): New.
 483         (fgraphite-opencl-debug): New.
 484         * graphite-opencl-codegen.c: New file.
 485         * graphite-opencl-meta-clast.c: New file.
 486         * graphite-opencl.c: New file.
 487         * graphite-opencl.h: New file.
 488         * graphite.c (graphite_transform_loops): Call graphite_opencl_init and
 489         graphite_opencl_finalize.
 490         * tree-ssa-loop.c (gate_graphite_transforms): Handle
 491         flag_graphite_opencl.
 492         * graphite-clast-to-gimple.c (gloog): Call opencl_transform_clast.
 493         * dbgcnt.def (opencl_scop_cnt): New counter.
 494
 495 2010-12-25  Alexander Monakov  <amonakov@ispras.ru>
 496
 497         * graphite-dependences.c (graphite_outer_subscript_bound): New.
 498         (graphite_carried_dependence_level_k): Export.
 499         * graphite-dependences.h (graphite_outer_subscript_bound): Declare.
 500         (graphite_carried_dependence_level_k): Ditto.
 501
 502 2010-12-25  Alexey Kravets  <kayrick@ispras.ru>
 503
 504         * graphite-clast-to-gimple.c (struct clast_name_index): Move
 505         definition to graphite-clast-to-gimple.h.
 506         (clast_name_to_index): Ditto.
 507         (clast_name_index_elt_info): Ditto.
 508         (eq_clast_name_indexes): Ditto.
 509         (save_clast_name_index): Export.
 510         (clast_name_to_gcc): Ditto.
 511         (clast_to_gcc_expression): Ditto.
 512         (gcc_type_for_clast_expr): Ditto.
 513         (graphite_create_new_guard): Ditto.
 514         (gcc_type_for_iv_of_clast_loop): Ditto.
 515         (graphite_create_new_loop): Ditto.
 516         (build_iv_mapping): Ditto.
 517         (graphite_create_new_loop_guard): Ditto.
 518         (debug_clast_name_index): New.
 519         (debug_clast_name_indices): New debug function.
 520
 521 2010-12-21  Sebastian Pop  <sebastian.pop@amd.com>
 522
 523         PR tree-optimization/47021
 524         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
 525
 526 2010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
 527
 528         * graphite-sese-to-poly.c (analyze_drs_in_stmts): Fix set but
 529         unused warning.
 530         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
 531
 532 2010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
 533
 534         * graphite-sese-to-poly.c (analyze_drs): Removed.
 535         (build_scop_drs): Do not call analyze_drs.
 536         (analyze_drs_in_stmts): New.
 537         (insert_stmts): New.
 538         (insert_out_of_ssa_copy): Call analyze_drs_in_stmts.
 539         (insert_out_of_ssa_copy_on_edge): Same.
 540         (rewrite_close_phi_out_of_ssa): Call insert_stmts.
 541         (rewrite_phi_out_of_ssa): Same.
 542         (rewrite_cross_bb_scalar_dependence): Same.
 543         (split_reduction_stmt): Move data references in the new basic blocks.
 544         (translate_scalar_reduction_to_array_for_stmt): Call insert_stmts.
 545
 546 2010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
 547
 548         * sese.c (rename_uses): Do not handle ADDR_EXPR in LHS of assignments.
 549
 550 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
 551
 552         PR middle-end/45297
 553         * graphite-poly.c (new_poly_bb): Returns a poly_bb_p.  Do not take
 554         the reduction bool in parameter.  Clear PBB_IS_REDUCTION.  Set GBB_PBB.
 555         * graphite-poly.h (new_poly_bb): Update declaration.
 556         (gbb_from_bb): Moved here...
 557         (pbb_from_bb): New.
 558         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node):
 559         Removed.
 560         (graphite_stmt_p): Removed.
 561         (try_generate_gimple_bb): Returns a gimple_bb_p.  Do not pass in
 562         sbitmap reductions.  Always build a gimple_bb_p.  Do not call
 563         new_poly_bb.
 564         (build_scop_bbs_1): Do not pass in sbitmap reductions.
 565         (build_scop_bbs): Same.
 566         (gbb_from_bb): ... from here.
 567         (add_conditions_to_constraints): Moved up.
 568         (analyze_drs): New.
 569         (build_scop_drs): Call analyze_drs.  Remove all the PBBs that do
 570         not contain data references.
 571         (new_pbb_from_pbb): New.
 572         (insert_out_of_ssa_copy_on_edge): Call new_pbb_from_pbb after a
 573         block is split.
 574         (rewrite_close_phi_out_of_ssa): Update call to
 575         insert_out_of_ssa_copy_on_edge.
 576         (rewrite_reductions_out_of_ssa): Now static.
 577         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
 578         (split_pbb): New.
 579         (split_reduction_stmt): Call split_pbb.
 580         (translate_scalar_reduction_to_array): Pass in the scop, do not
 581         pass in the sbitmap reductions.
 582         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
 583         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
 584         (rewrite_commutative_reductions_out_of_ssa): Same.
 585         (build_poly_scop): Call build_scop_bbs,
 586         rewrite_commutative_reductions_out_of_ssa,
 587         rewrite_reductions_out_of_ssa, and
 588         rewrite_cross_bb_scalar_deps_out_of_ssa.  Move build_scop_drs
 589         before scop_to_lst.
 590         * graphite-sese-to-poly.h (rewrite_commutative_reductions_out_of_ssa):
 591         Removed declaration.
 592         (rewrite_reductions_out_of_ssa): Same.
 593         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
 594         (build_scop_bbs): Same.
 595         * graphite.c (graphite_transform_loops): Do not initialize reductions.
 596         Do not call build_scop_bbs,
 597         rewrite_commutative_reductions_out_of_ssa,
 598         rewrite_reductions_out_of_ssa, and
 599         rewrite_cross_bb_scalar_deps_out_of_ssa.
 600         * sese.h (struct gimple_bb): Add field pbb.
 601         (GBB_PBB): New.
 602
 603         * gcc.dg/graphite/pr45297.c: New.
 604
 605 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
 606
 607         * graphite-sese-to-poly.c (handle_scalar_deps_crossing_scop_limits):
 608         New.
 609         (rewrite_cross_bb_scalar_deps): Pass in the scop.  Call
 610         handle_scalar_deps_crossing_scop_limits.
 611         (rewrite_cross_bb_scalar_deps_out_of_ssa): Create an empty BB
 612         after the scop.  Update call to rewrite_cross_bb_scalar_deps.
 613
 614 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
 615
 616         * sese.c (rename_uses): Call recompute_tree_invariant_for_addr_expr
 617         when replacing a constant in an ADDR_EXPR.
 618
 619 2010-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 620
 621         * graphite-blocking.c (lst_do_strip_mine_loop): Extra parameter
 622         for the stride.
 623         (lst_do_strip_mine): Same.
 624         (scop_do_strip_mine): Same.
 625         * graphite-poly.c (apply_poly_transforms): Update call to
 626         scop_do_strip_mine.
 627         * graphite-poly.h (scop_do_strip_mine): Update declaration.
 628
 629 2010-09-24  Sebastian Pop  <sebastian.pop@amd.com>
 630
 631         PR middle-end/45758
 632         * graphite.c (graphite_initialize): Call scev_reset.
 633
 634 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
 635
 636         * sese.h (scev_analyzable_p): Return false for real or floating
 637         point.  Only handle INTEGRAL_TYPE_P and POINTER_TYPE_P.
 638
 639 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
 640
 641         PR middle-end/45758
 642         * gfortran.dg/graphite/pr45758.f90: New.
 643
 644 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
 645
 646         * graphite-scop-detection.c (is_scop_p): Free bblist.
 647
 648 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
 649
 650         * graphite-clast-to-gimple.c (compute_bounds_for_level): Free le
 651         and ps.
 652         * graphite-poly.c (pbb_number_of_iterations_at_time): Free le and
 653         domain.
 654         * graphite-sese-to-poly.c (add_upper_bounds_from_estimated_nit):
 655         Do not allocate ub_expr, it is passed in initialized.
 656
 657 2010-09-21  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 658
 659         * common.opt (fgraphite-dump-cloog): New flag.
 660         * doc/invoke.texi (-fgraphite-dump-cloog): Documented.
 661         * graphite-clast-to-gimple.c (init_cloog_input_file): New.
 662         (build_cloog_prog): Dump CLooG input file when
 663         flag_graphite_dump_cloog is set.
 664         * graphite-cloog-compat.h (cloog_program_dump_cloog): New.
 665
 666 2010-09-20  Sebastian Pop  <sebastian.pop@amd.com>
 667
 668         Revert previous patch "New flag: -fgraphite-dump-cloog."
 669
 670 2010-09-20  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 671
 672         * common.opt (fgraphite-dump-cloog): New flag.
 673         * doc/invoke.texi (-fgraphite-dump-cloog): Documented.
 674         * graphite-clast-to-gimple.c (init_cloog_input_file): New.
 675         (build_cloog_prog): Dump CLooG input file when
 676         flag_graphite_dump_cloog is set.
 677
 678 2010-09-20  Sebastian Pop  <sebastian.pop@amd.com>
 679
 680         * graphite-clast-to-gimple.c (graphite_verify): Remove call to
 681         verify_dominators for CDI_POST_DOMINATORS.
 682         * sese.h: Remove comment about CDI_POST_DOMINATORS.
 683         (recompute_all_dominators): Remove call to free_dominance_info
 684         for CDI_POST_DOMINATORS.  Remove call to calculate_dominance_info
 685         for CDI_POST_DOMINATORS.
 686
 687 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 688
 689         * graphite-poly.c (pbb_number_of_iterations_at_time): Only iterate
 690         over pbb_dim_iter_domain.
 691
 692 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 693
 694         * graphite-flattening.c: Fix comments.
 695
 696 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 697
 698         * Makefile.in (OBJS-common): Add graphite-flattening.o.
 699         (graphite-flattening.o): New rule.
 700         * common.opt (floop-flatten): New flag.
 701         * doc/invoke.texi (-floop-flatten): Documented.
 702         * graphite-flattening.c: New.
 703         * graphite-poly.c (apply_poly_transforms): Call flatten_all_loops.
 704         * graphite-poly.h (flatten_all_loops): Declared.
 705         (lst_remove_loop_and_inline_stmts_in_loop_father): New.
 706         * tree-ssa-loop.c (gate_graphite_transforms): When flag_loop_flatten
 707         is set, also set flag_graphite.
 708
 709 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 710
 711         * graphite-poly.c (cloog_checksum): New.
 712         * graphite-poly.h (cloog_checksum): Declared.
 713
 714 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 715
 716         * graphite-poly.c (pbb_number_of_iterations): Removed.
 717         (pbb_number_of_iterations_at_time): Correctly compute the number
 718         of iterations in the transformed loop.
 719         * graphite-poly.h (pbb_number_of_iterations): Removed.
 720
 721 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 722
 723         * graphite-poly.h (lst_update_scattering_seq): Removed.
 724         (lst_update_scattering): Correctly handle outermost loop dewey
 725         renumbering.
 726
 727 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 728
 729         * graphite-blocking.c (pbb_strip_mine_profitable_p): Renamed
 730         lst_strip_mine_profitable_p.  Call lst_niter_for_loop.
 731         * graphite-poly.h (lst_niter_for_loop): New.
 732
 733 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 734
 735         * graphite-poly.c (apply_poly_transforms): Do not abort when the
 736         transform read from disk is not legal.  Call fatal_error instead.
 737
 738 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 739
 740         * graphite-poly.c (print_pbb_body): Add missing closing parenthesis.
 741         (print_scop_header): Removed.  Inlined in the only call place...
 742         (print_scop): ... here.
 743
 744 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 745
 746         * graphite-poly.h (lst_dewey_number): Use FOR_EACH_VEC_ELT.
 747
 748 2010-09-02  Vladimir Kargov  <kargov@gmail.com>
 749
 750         * graphite-scop-detection.c (is_valid_expr_p, is_valid_loop_p): New.
 751         (is_valid_stmt_p): Add data reference and operation-specific checks.
 752         (is_valid_bb_p): Change structure, add loop validity check.
 753         (is_scop_p): Move the TODO list
 754         (find_scops_new): New.
 755         (build_scops_new): Move part of functionality to find_scops_new and
 756         build_scops.  Add necessary steps for successful SCoP construction.
 757         (build_scops): Compute SCoP sets for both detection algorithms, choose
 758         the resulting one depending on static condition.
 759
 760 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
 761
 762         * graphite-poly.c (graphite_read_scop_file): Fix uninitialize warning.
 763
 764 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
 765
 766         * graphite-dependences.c (dot_deps): Avoid set but not used warning.
 767         (dot_deps_stmt): Same.
 768         * graphite-poly.c (dot_lst): Same.
 769
 770 2010-08-23  Sebastian Pop  <sebastian.pop@amd.com>
 771
 772         * graphite-blocking.c (scop_do_strip_mine): Do not call
 773         graphite_legal_transform.
 774         (scop_do_block): Same.
 775
 776 2010-08-20  Vladimir Kargov  <kargov@gmail.com>
 777
 778         * graphite-scop-detection.c (graphite_can_represent_loop): Correct the
 779         description.
 780
 781 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 782
 783         PR middle-end/45230
 784         * gcc.dg/graphite/id-pr45230.c: New.
 785
 786 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 787
 788         * tree-scalar-evolution.c (instantiate_array_ref): New.
 789         (instantiate_scev_r): Also handle ARRAY_REFs.
 790
 791 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 792
 793         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
 794         Do not check for VAR_DECL, PARM_DECL, FUNCTION_DECL, LABEL_DECL,
 795         RESULT_DECL, and FIELD_DECL.  Return false for an
 796         SSA_NAME_IS_DEFAULT_DEF.
 797         (compute_scalar_evolution_in_loop): Do not further analyze the
 798         scalar evolution when no_evolution_in_loop_p returns true.
 799
 800 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 801
 802         * tree-chrec.h (evolution_function_is_affine_p): Do not check
 803         whether CHREC_LEFT is invariant.  A function is affine when
 804         CHREC_RIGHT is invariant.
 805
 806 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 807
 808         * graphite-sese-to-poly.c (reduction_phi_p): Remove check for
 809         is_gimple_reg.
 810         (rewrite_degenerate_phi): Same.
 811         (rewrite_reductions_out_of_ssa): Add check for is_gimple_reg.
 812
 813 2010-08-18  Vladimir Kargov  <kargov@gmail.com>
 814
 815         * graphite-scop-detection.c (graphite_can_represent_scev,
 816         graphite_can_represent_expr, stmt_has_simple_data_refs_p,
 817         graphite_can_represent_loop): Remove outermost_loop.
 818
 819 2010-08-17  Sebastian Pop  <sebastian.pop@amd.com>
 820
 821         PR middle-end/45229
 822         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Do not
 823         handle GIMPLE_CALLs with no LHS.
 824
 825 2010-08-17  Riyadh Baghdadi  <baghdadi.mr@gmail.com>
 826             Sebastian Pop  <sebastian.pop@amd.com>
 827
 828         * gcc.dg/graphite/graphite.exp: Add test rules for openscop read/write.
 829         Call remove-build-file to clean up the generated *.graphite files.
 830
 831 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 832
 833         * doc/invoke.texi (debugging options): Update documentation.
 834         (-floop-interchange): Same.
 835         (-flopp-strip-mine): Same.
 836         (-floop-block): Same.
 837         (-fgraphite-read): Add documentation.
 838         (-fgraphite-write): Same.
 839
 840 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 841
 842         * toplev.c (process_options): Disable graphite loop optimization
 843         options when -fgraphite-read flag is used.
 844
 845 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 846
 847         * graphite-poly.c (init_graphite_out_file): New.
 848         (init_graphite_in_file): New.
 849         (apply_poly_transforms): Updated to enable reading and writing of
 850         multiple scop files.
 851         * toplev.c (init_asm_output): Remove graphite in/out file initialization.
 852
 853 2010-08-17  Tobias Grosser  <grosser@fim.uni-passau.de>
 854
 855         * graphite-scop-detection.c (graphite_can_represent_scev): Remove
 856         redundant checks.
 857
 858 2010-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 859
 860         * graphite-clast-to-gimple.c (precision_for_value): Adjust
 861         computation of precision by 1.
 862
 863 2010-08-12  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 864
 865         * graphite-cloog-util.c (openscop_read_cloog_matrix): New.
 866         (openscop_read_polyhedron_matrix): New.
 867         * graphite-cloog-util.h (openscop_read_polyhedron_matrix): Declared.
 868         (openscop_read_N_int): Same.
 869         * graphite-poly.c (openscop_read_N_int): New.
 870         (openscop_read_one_int): New.
 871         (openscop_read_N_string): New.
 872         (openscop_read_one_string): New.
 873         (openscop_read_powerset_matrix): New.
 874         (graphite_read_transforms): Remove.
 875         (graphite_read_scatt): New.
 876         (graphite_read_scop_file): New.
 877         (apply_poly_transforms): Updated to call graphite_read_scop_file.
 878
 879 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 880
 881         * graphite-poly.c: Change include order.
 882
 883 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 884
 885         * graphite-cloog-compat.h (cloog_matrix_ncolumns): New.
 886         (cloog_matrix_nrows): New.
 887
 888 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 889
 890         * graphite-cloog-util.c (openscop_print_cloog_matrix): Remove spaces
 891         from matrix lines.
 892         * graphite-poly.c (openscop_print_scattering_function_1): Same.
 893         (print_scattering_function_1): Same.
 894         (openscop_print_pbb_domain): Same.
 895         (openscop_print_scop_context): Same.
 896         (print_scop_context): Same.
 897
 898 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 899
 900         * graphite-poly.c (openscop_print_pdr_polyhedron): Fix indentation.
 901         (openscop_print_pdr_polyhedron): Print pph.
 902
 903 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 904
 905         * gcc.dg/graphite/graphite.exp: Add compile rules for vect-* files.
 906         * gfortran.dg/graphite/graphite.exp: Same.
 907         * gcc.dg/graphite/vect-pr43423.c: New.
 908
 909 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 910
 911         * graphite-clast-to-gimple.c (gcc_type_for_interval): Generate in
 912         priority signed types.
 913
 914 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 915
 916         * graphite-clast-to-gimple.c (max_signed_precision_type): Remove the call
 917         to lang_hooks.types.type_for_size.  Call build_nonstandard_integer_type.
 918
 919 2010-07-29  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 920
 921         * graphite-cloog-util.c (openscop_print_cloog_matrix): New.
 922         (openscop_print_polyhedron_matrix): New.
 923         * graphite-cloog-util.h (openscop_print_polyhedron_matrix): Declared.
 924         * graphite-poly.c (openscop_print_pdr_polyhedron): Same.
 925         (openscop_print_pdr_powerset): New.
 926         (openscop_print_powerset_matrix): New.
 927         (openscop_print_scattering_function_1): New.
 928         (print_scattering_function): Add support for scattering names and
 929         OpenScop format.
 930         (graphite_write_transforms): Remove.
 931         (apply_poly_transforms): Updated to call print_scop.
 932         (print_pdr_access_layout): Updated to support OpenScop format.
 933         (print_pdr): Same.
 934         (openscop_print_pbb_domain): New.
 935         (print_pbb_body): Added a parameter to allow indicating that pbb_body is
 936         not provided.
 937         (print_pbb): Updated to call the new print_pbb_body.
 938         (openscop_print_scop_context): New.
 939         (print_scop_header): New.
 940         (print_scop): Updated to call print_scop_header.
 941         * graphite-poly.h: Document OpenScop format.
 942
 943 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 944
 945         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add back
 946         the case removed in the previous patch, when the only phi argument
 947         is defined in the same loop as the phi node itself.  Handle it
 948         separately from the invariant case by both propagating it outside
 949         the region and replacing the phi node with an assign.
 950
 951 2010-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 952
 953         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): The only
 954         constant phi nodes with one argument are is_gimple_min_invariant
 955         and SSA_NAME_IS_DEFAULT_DEF.
 956
 957         * gfortran.dg/graphite/id-22.f: New.
 958
 959 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 960
 961         * graphite.c (graphite_initialize): Do not initialize
 962         CLooG and initialize the Parma Polyhedra Library
 963         manually when using CLOOG_ORG.
 964         (graphite_finalize): Do not finalize CLooG and finalize
 965         the Parma Polyhedra Library manually when using CLOOG_ORG.
 966         * graphite-cloog-compat.h (cloog_initialize): Hide function
 967         when using CLOOG_ORG.
 968         (cloog_finalize): Same.
 969
 970 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 971
 972         * graphite-clast-to-gimple.c (free_scattering): Change
 973         CloogDomainList/CloogDomain to CloogScatteringList/CloogScattering
 974         (CLOOG_ORG).
 975         (build_cloog_prog): Same.
 976         * graphite-cloog-compat.h (cloog_domain): Removed.
 977         (cloog_scattering): New.
 978         (cloog_set_domain): Removed.
 979         (cloog_set_scattering): New.
 980         (cloog_next_domain): Removed.
 981         (cloog_next_scattering): New.
 982         (cloog_set_next_domain): Removed.
 983         (cloog_set_next_scattering): New.
 984         (CloogScatteringList): New.
 985         (CloogScattering): New.
 986         (cloog_scattering_free): New.
 987         (new_Cloog_Scattering_from_ppl_Polyhedron): New.
 988         * graphite-cloog-util.c (new_Cloog_Scattering_from_ppl_Polyhedron):
 989         New.
 990
 991 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 992
 993         * graphite-clast-to-gimple.c (build_cloog_prog): Extend with
 994         CloogState.
 995         (set_cloog_options): Same.
 996         (print_clast_stmt): Same.
 997         (scop_to_clast): Same.
 998         (print_generated_program): Same.
 999         (gloog): Same.
1000         * graphite-clast-to-gimple.h: Include graphite-cloog-util.h.
1001         (scop_to_clast): Extend with CloogState.
1002         * graphite-cloog-util.c: Include graphite-cloog-compat.h
1003         (new_Cloog_Domain_from_ppl_Polyhedron):
1004         Extend with CloogState.  Use cloog_domain_from_cloog_matrix (CLOOG_ORG).
1005         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Extend with CloogState.
1006         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
1007         * graphite-cloog-util.h (build_cloog_prog): Same.
1008         * graphite-cloog-copat.h (build_cloog_prog): New.
1009         (CloogState): New.
1010         (cloog_state_malloc): New.
1011         (cloog_state_free): New.
1012         (cloog_loop_malloc): New.
1013         (cloog_options_malloc): New.
1014         (cloog_statement_alloc): New.
1015         (cloog_domain_from_cloog_matrix): New.
1016         (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
1017         (new_Cloog_Domain_from_ppl_Polyhedron): New.
1018
1019 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1020
1021         * graphite-clast-to-gimple.c (clast_name_to_gcc): Parameter
1022         type of NAME now depends on used CLooG version.
1023         (clast_to_gcc_expression): Replace expr_* with clast_expr_*.
1024         (gcc_type_for_clast_expr): Same.
1025         (print_clast_stmt): Replace pprint with clast_pprint.
1026         * graphite-cloog-compat.h: Provide compatibility macros for
1027         CLooG Legacy.
1028         (clast_name_p): New.
1029         (clast_expr_term): New.
1030         (clast_expr_red): New.
1031         (clast_expr_bin): New.
1032         (clast_pprint): New.
1033
1034 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1035
1036         * graphite-clast-to-gimple.c (set_cloog_options): Make CLooG options
1037         compatible to newer CLooG releases (CLOOG_ORG).
1038         (build_cloog_prog): Pass CloogOptions to more functions (CLOOG_ORG).
1039         (scop_to_clast): Pass CloogOptions to build_cloog_prog (CLOOG_ORG).
1040         * graphite-cloog-compat.h: Add compatibility macros for CLooG Legacy.
1041         (build_cloog_prog) : New.
1042         (cloog_program_extract_scalars): New.
1043         (cloog_program_scatter): New.
1044
1045 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1046
1047         * graphite-clast-to-gimple.c: Include graphite-cloog-compat.h
1048         conditionally (CLOOG_ORG).
1049         * graphite-cloog-compat.h: New.  Include graphite-cloog-compat.h.
1050         (cloog_statement_usr): New.
1051         (cloog_domain): Same.
1052         (cloog_set_domain): Same.
1053         (cloog_next_domain): Same.
1054         (cloog_set_next_domain): Same.
1055         (cloog_program_nb_scattdims): Same.
1056         (cloog_program_set_nb_scattdims): Same.
1057         (cloog_program_names): Same.
1058         (cloog_program_set_names): Same.
1059         (cloog_program_set_context): Same.
1060         (cloog_program_set_loop): Same.
1061         (cloog_program_blocklist): Same.
1062         (cloog_program_set_blocklist): Same.
1063         (cloog_program_scaldims): Same.
1064         (cloog_program_set_scaldims): Same.
1065         (cloog_names_nb_parameters): Same.
1066         (cloog_names_set_nb_parameters): Same.
1067         (cloog_names_parameters): Same.
1068         (cloog_names_set_parameters): Same.
1069         (cloog_names_set_nb_iterators): Same.
1070         (cloog_names_set_iterators): Same.
1071         (cloog_names_set_nb_scattering): Same.
1072         (cloog_names_set_scattering): Same.
1073         (cloog_statement_set_usr): Same.
1074         (cloog_loop_set_next): Same.
1075         (cloog_loop_set_domain): Same.
1076         (cloog_loop_set_block): Same.
1077         (cloog_block_list_next): Same.
1078         (cloog_block_list_set_next):
1079         (cloog_block_list_set_block): Same.
1080
1081 2010-07-27  Sebastian Pop  <sebastian.pop@amd.com>
1082
1083         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Returns
1084         a bool.
1085         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
1086         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
1087         (rewrite_cross_bb_scalar_deps_out_of_ssa): Call scev_reset_htab
1088         when something has been changed.
1089         (rewrite_commutative_reductions_out_of_ssa): Same.
1090
1091         * gcc.dg/graphite/id-26.c: New.
1092
1093 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
1094
1095         * graphite-sese-to-poly.c (propagate_expr_outside_region): Also
1096         handle the case when def is in the sese region.
1097         (rewrite_close_phi_out_of_ssa): Call propagate_expr_outside_region
1098         for invariant expressions.
1099         (rewrite_cross_bb_phi_deps): Removed.
1100         (rewrite_cross_bb_scalar_deps): Also handle GIMPLE_PHI nodes.
1101         (rewrite_cross_bb_scalar_deps_out_of_ssa): Do not call
1102         rewrite_cross_bb_phi_deps.
1103
1104 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
1105
1106         * graphite-sese-to-poly.c
1107         (rewrite_commutative_reductions_out_of_ssa_loop): Call
1108         scev_analyzable_p only on is_gimple_reg
1109
1110         * gcc.dg/graphite/id-25.c: New.
1111
1112 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
1113
1114         * graphite-sese-to-poly.c (propagate_expr_outside_region): New.
1115         (rewrite_close_phi_out_of_ssa): Propagate constant values or
1116         parametric expressions outside the scop region.
1117         (rewrite_cross_bb_scalar_deps): Same.
1118         * sese.c (rename_uses): Use NULL_TREE instead of NULL for trees.
1119
1120         * gcc.dg/graphite/run-id-5.c: New.
1121         * gcc.dg/graphite/run-id-6.c: New.
1122         * gfortran.dg/graphite/id-21.f: New.
1123
1124 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
1125
1126         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Use
1127         SSA_NAME_DEF_STMT only on SSA_NAMEs.
1128
1129         * gcc.dg/graphite/id-24.c: New.
1130
1131 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
1132
1133         * tree-scalar-evolution.c (instantiate_scev_name): Do not
1134         instantiate default definitions.
1135
1136 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
1137
1138         * graphite-scop-detection.c (is_valid_stmt_p): New.
1139         (is_valid_bb_p): New.
1140
1141 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
1142             Sebastian Pop  <sebastian.pop@amd.com>
1143
1144         * cfgloop.c (is_loop_exit): Renamed loop_exits_to_bb_p.
1145         (loop_exits_from_bb_p): New.
1146         * cfgloop.h (is_loop_exit): Renamed loop_exits_to_bb_p.
1147         (loop_exits_from_bb_p): Declared.
1148         * graphite-scop-detection.c (scopdet_basic_block_info): Call
1149         loop_exits_to_bb_p.
1150
1151 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
1152
1153         * refined-regions.c: Include tree-pass.h, cfgloop.h, gimple.h, and
1154         tree-data-ref.h.
1155         (dot_regions_1): New.
1156         (dot_regions): New.
1157         * refined-regions.h (dot_regions): Declared.
1158         * Makefile.in (refined-regions.o): Update dependences.
1159
1160 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
1161
1162         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add an
1163         extra parameter for the region.  Call scev_analyzable_p.
1164         (rewrite_reductions_out_of_ssa): Update call to
1165         rewrite_close_phi_out_of_ssa.
1166         (rewrite_cross_bb_phi_deps): Same.
1167         (rewrite_commutative_reductions_out_of_ssa_loop): Add an extra
1168         parameter for the region.  Call scev_analyzable_p.
1169         (rewrite_commutative_reductions_out_of_ssa): Update call to
1170         rewrite_commutative_reductions_out_of_ssa_loop.
1171
1172 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
1173
1174         * gcc.dg/tree-ssa/pr20742.c: New.
1175
1176 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1177
1178         * sese.c (rename_uses): Call unshare_expr before force_gimple_operand.
1179
1180         * gcc.dg/graphite/id-23.c: New.
1181
1182 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1183
1184         * graphite-sese-to-poly.c (reduction_phi_p): Do not rewrite out of
1185         SSA scalar phi nodes that can be scev_analyzable_p.
1186
1187         * gfortran.dg/graphite/id-20.f: Adjust testcase.
1188
1189 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1190
1191         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Correctly
1192         handle SSA_NAME_IS_DEFAULT_DEF.
1193
1194 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1195
1196         * sese.c (rename_uses): Handl unconditionally gimple_debug statements.
1197
1198         * gcc.dg/graphite/pr42729.c: New.
1199
1200 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1201
1202         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Special
1203         case non close-phi nodes with one argument.
1204
1205 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1206
1207         * sese.h (scev_analyzable_p): Scevs could be expressions without
1208         chrecs and still be scev_analyzable_p.
1209
1210 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1211
1212         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
1213
1214 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1215
1216         * cfgloop.c (alloc_loop): Remove initialization of loop->single_iv.
1217         * cfgloop.h (struct loop): Remove single_iv field.
1218         * graphite-sese-to-poly.c (graphite_loop_normal_form): Removed.
1219         (scop_canonicalize_loops): Removed.
1220         (scop_ivs_can_be_represented): Do not use loop->single_iv.  Iterate
1221         over all the loop phi nodes in loop->header.
1222         (build_poly_scop): Remove use of scop_canonicalize_loops.
1223
1224 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1225
1226         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Also
1227         handle GIMPLE_CALL.
1228
1229 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1230
1231         * tree-chrec.c (chrec_apply): Should only apply to the specified
1232         variable.  Also handle multivariate chains of recurrences that
1233         satisfy evolution_function_is_affine_p.  Also handle CASE_CONVERT.
1234
1235 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1236
1237         * graphite-clast-to-gimple.c (debug_clast_name_index): Removed.
1238         (debug_clast_name_indexes_1): Removed.
1239         (debug_clast_name_indexes): Removed.
1240         (pbb_to_depth_to_oldiv): Removed.
1241         (build_iv_mapping): Replace the use of rename_map with iv_map.
1242         (translate_clast_user): Remove uses of rename_map.  Allocate and
1243         free iv_map.
1244         (translate_clast_for_loop): Remove uses of rename_map.
1245         (translate_clast_for): Same.
1246         (translate_clast_guard): Same.
1247         (translate_clast): Same.
1248         (gloog): Same.
1249         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Removed.
1250         * graphite-sese-to-poly.c (scev_analyzable_p): Moved...
1251         * sese.c (set_rename): Now static.
1252         (rename_variables_in_stmt): Removed.
1253         (rename_uses): New.
1254         (is_parameter): Removed.
1255         (is_iv): Removed.
1256         (expand_scalar_variables_call): Removed.
1257         (expand_scalar_variables_ssa_name): Removed.
1258         (expand_scalar_variables_expr): Removed.
1259         (expand_scalar_variables_stmt): Removed.
1260         (expand_scalar_variables): Removed.
1261         (rename_variables): Removed.
1262         (remove_condition): Removed.
1263         (get_true_edge_from_guard_bb): Removed.
1264         (get_false_edge_from_guard_bb): Removed.
1265         (struct igp): Removed.
1266         (default_before_guard): Removed.
1267         (convert_for_phi_arg): Removed.
1268         (add_guard_exit_phis): Removed.
1269         (insert_guard_phis): Removed.
1270         (graphite_copy_stmts_from_block): Now also uses iv_map and a
1271         region.  Do not copy conditions.  Do not copy induction variables.
1272         Call rename_uses.
1273         (copy_bb_and_scalar_dependences): Allocate a local rename_map for
1274         the translated statement.  Use the iv_map for the induction
1275         variable renaming.
1276         * sese.h (copy_bb_and_scalar_dependences): Update declaration.
1277         (set_rename): Removed declaration.
1278         (scev_analyzable_p): ...here.
1279         * tree-chrec.c (chrec_apply_map): New.
1280         * tree-chrec.h (chrec_apply_map): Declared.
1281
1282 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1283
1284         * graphite-clast-to-gimple.c (translate_clast_for_loop): Do not call
1285         insert_loop_close_phis.
1286         * sese.c (name_defined_in_loop_p): Removed.
1287         (expr_defined_in_loop_p): Removed.
1288         (alive_after_loop): Removed.
1289         (close_phi_not_yet_inserted_p): Removed.
1290         (struct alep): Removed.
1291         (add_loop_exit_phis): Removed.
1292         (insert_loop_close_phis): Removed.
1293
1294 2010-07-15  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1295
1296         * graphite-cloog-util.c (cloog_matrix_to_ppl_constraint): Fix flipped
1297         condition.
1298         * graphite-poly.c (psct_scattering_dim_for_loop_depth): Same.
1299
1300 2010-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1301
1302         * gfortran.dg/graphite/id-20.f: New.
1303
1304 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1305
1306         * graphite-cloog-util.h: Added cloog.h.
1307         * graphite-blocking.c: Removed cloog.h.
1308         * graphite-dependences.c: Same.
1309         * graphite-interchange.c: Same.
1310         * graphite-poly.c: Same.
1311         * graphite-ppl.c: Same.
1312         * graphite-scop-detection.c: Same.
1313         * graphite-sese-to-poly.c:
1314         Removed cloog.h.
1315         Removed graphite-clast-to-gimple.h.
1316         (check_poly_representation): Removed (unused).
1317         * graphite-sese-to-poly.h
1318         (check_poly_representation): Removed (unused).
1319
1320 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1321
1322         * Makefile.in
1323         (OBJS-common): Added graphite-cloog-util.o.
1324         (graphite-clast-to-gimple.o): Added graphite-cloog-util.h.
1325         (graphite-cloog-util.o): New.
1326         (graphite-ppl.o): Added graphite-cloog-util.h.
1327         * graphite-clast-to-gimple.c:
1328         Added graphite-cloog-util.h to include statements.
1329         * graphite-cloog-util.c: New.
1330         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.c.
1331         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
1332         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1333         (new_C_Polyhedron_from_Cloog_Matrix): Same.
1334         (ppl_Constrain_System_number_of_constraints): Same.
1335         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
1336         (oppose_constraint): Same.
1337         (cloog_matrix_to_ppl_constraint): Same.
1338         (new_Constraint_System_from_Cloog_Matrix): Same.
1339         (insert_constraint_into_matrix): Same. Declared static.
1340         * graphite-cloog-util.h: New.
1341         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.h.
1342         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
1343         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1344         (new_C_Polyhedron_from_Cloog_Matrix): Same.
1345         (insert_constraint_into_matrix): Same.
1346         * graphite-ppl.c:
1347         Added graphite-cloog-util.h to include statements.
1348         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to graphite-cloog-util.c.
1349         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
1350         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1351         (new_C_Polyhedron_from_Cloog_Matrix): Same.
1352         (insert_constraint_into_matrix): Same.
1353         (ppl_Constrain_System_number_of_constraints): Same.
1354         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
1355         (oppose_constraint): Same.
1356         (cloog_matrix_to_ppl_constraint): Same.
1357         (new_Constraint_System_from_Cloog_Matrix): Same.
1358         * graphite-ppl.h:
1359         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to
1360         graphite-cloog-util.h.
1361         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
1362         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1363         (new_C_Polyhedron_from_Cloog_Matrix): Same.
1364         (insert_constraint_into_matrix): Removed.
1365
1366 2010-07-04  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1367
1368         * graphite-clast-to-gimple.c
1369         (precision_for_value): Resolve value_* calls to matching mpz_* calls.
1370         (precision_for_interval): Same.
1371         (gcc_type_for_interval): Same.
1372         (compute_type_for_level): Same.
1373         * graphite-interchange.c
1374         (lst_interchange_profitable_p): Same.
1375         * graphite-poly.c
1376         (psct_scattering_dim_for_loop_depth): Same.
1377         * graphite-ppl.c
1378         (ppl_max_for_le_pointset): Same.
1379         (ppl_min_for_le_pointset): Same.
1380
1381 2010-06-25  Vladimir Kargov  <kargov@gmail.com>
1382
1383         * refined-regions.c (bb_index_compare): New.
1384         (get_bbs_in_region): New.
1385         (print_bbs_in_region): New.
1386         (print_refined_region): Add an argument that allows to print
1387         all basic blocks contained in regions.
1388         (debug_refined_region): Update call to print_refined_region.
1389         * refined-regions.h (print_refined_region): Update declaration.
1390         (get_bbs_in_region): Declared.
1391         * graphite-scop-detection.c (build_scops_new): Print the refined
1392         region tree into the Grahite dump file.
1393
1394 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1395
1396         * graphite-sese-to-poly.c (rewrite_degenerate_phi): New.
1397         (rewrite_reductions_out_of_ssa): Call it for degenerate_phi_result.
1398
1399 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1400
1401         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Call
1402         rewrite_close_phi_out_of_ssa.
1403
1404         * gcc.dg/graphite/id-22.c: New.
1405
1406 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1407
1408         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Remove dead code.
1409
1410 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1411
1412         * graphite-clast-to-gimple.c (build_iv_mapping): Rename map with
1413         rename_map.
1414         * sese.c (debug_rename_map): Same.
1415         (get_rename): Same.
1416         (set_rename): Same.
1417         (rename_variables_in_stmt): Same.
1418         (expand_scalar_variables_call): Same.
1419         (expand_scalar_variables_ssa_name): Same.
1420         (expand_scalar_variables_expr): Same.
1421         (expand_scalar_variables_stmt): Same.
1422         (expand_scalar_variables): Same.
1423         (rename_variables): Same.
1424         (graphite_copy_stmts_from_block): Same.
1425         (copy_bb_and_scalar_dependences): Same.
1426
1427 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1428
1429         * graphite-clast-to-gimple.c (copy_renames): Removed.
1430         (translate_clast_for): Do not call copy_renames.
1431         (translate_clast_guard): Same.
1432
1433 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1434
1435         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Moved up.
1436         (rewrite_cross_bb_phi_deps): Split out of rewrite_cross_bb_scalar_deps.
1437         (rewrite_cross_bb_scalar_deps_out_of_ssa): Run rewrite_cross_bb_phi_deps
1438         before rewrite_cross_bb_scalar_deps.
1439
1440 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1441
1442         * graphite-sese-to-poly.c (rewrite_commutative_reductions_out_of_ssa):
1443         Early return in when flag_associative_math is not set.
1444
1445 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1446
1447         * gcc.dg/graphite/run-id-2.c: Call abort.
1448
1449 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1450
1451         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Always insert out
1452         of SSA copies on edges except for loop->latch.
1453
1454 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1455
1456         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
1457         Split out of rewrite_reductions_out_of_ssa.
1458         * graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
1459         Declared.
1460         * graphite.c (graphite_transform_loops): Call it.
1461
1462 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1463
1464         * graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.
1465
1466 2010-06-15  Sebastian Pop  <sebastian.pop@amd.com>
1467
1468         * passes.c (init_optimization_passes): Add pass_graphite.
1469         Schedule a pass_copy_prop before pass_graphite_transforms.
1470         * timevar.def (TV_GRAPHITE): Declared.
1471         * tree-pass.h (pass_graphite): Declared.
1472         * tree-ssa-loop.c (pass_graphite): New.
1473
1474         * gcc.dg/graphite/id-20.c: New.
1475
1476 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1477
1478         * graphite-clast-to-gimple.c (gloog): Do not pass scops in parameter.
1479         Remove calls to rename_nb_iterations and rename_sese_parameters.
1480         * graphite-clast-to-gimple.h (gloog): Update declaration.
1481         * graphite.c (graphite_transform_loops): Update call to gloog.
1482         * sese.c (rename_variables_in_expr): Removed.
1483         (rename_nb_iterations): Removed.
1484         (rename_sese_parameters): Removed.
1485         * sese.h (rename_nb_iterations): Removed.
1486         (rename_sese_parameters): Removed.
1487
1488 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1489
1490         * graphite-clast-to-gimple.c (gloog): Remove call to
1491         sese_adjust_liveout_phis.
1492         * graphite-sese-to-poly.c (scev_analyzable_p): When scev returns an
1493         SSA_NAME, allow it to be handled by rewrite_cross_bb_scalar_deps.
1494         (rewrite_cross_bb_scalar_deps): Handle GIMPLE_PHI nodes: call
1495         rewrite_phi_out_of_ssa.
1496         * sese.c (get_vdef_before_sese): Removed.
1497         (sese_adjust_vphi): Removed.
1498         (sese_adjust_liveout_phis): Removed.
1499         * sese.h (sese_adjust_liveout_phis): Removed.
1500
1501 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1502
1503         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Pass an extra
1504         argument for the place after which to insert the out of SSA copy.
1505         (rewrite_close_phi_out_of_ssa): Update calls to insert_out_of_ssa_copy.
1506         (rewrite_phi_out_of_ssa): Same.
1507         (rewrite_cross_bb_scalar_deps): Same.
1508         (insert_copyout): Removed.
1509         (insert_copyin): Removed.
1510         (translate_scalar_reduction_to_array): Call insert_out_of_ssa_copy and
1511         insert_out_of_ssa_copy_on_edge instead of insert_copyout and
1512         insert_copyin.
1513
1514 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1515
1516         * graphite-sese-to-poly.c (build_scop_bbs): Not static anymore.
1517         (rewrite_reductions_out_of_ssa): Same.
1518         (rewrite_commutative_reductions_out_of_ssa): Same.
1519         (build_poly_scop): Do not call these functions.
1520         * graphite-sese-to-poly.h (build_poly_scop): Declared.
1521         (rewrite_reductions_out_of_ssa): Declared.
1522         (rewrite_commutative_reductions_out_of_ssa): Declared.
1523         * graphite.c (graphite_transform_loops): Call on every scop
1524         rewrite_commutative_reductions_out_of_ssa before calling
1525         rewrite_reductions_out_of_ssa and build_scop_bbs.
1526
1527 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1528
1529         * graphite-dependences.c (dot_deps): Make system call to dotty run
1530         in background.
1531         (dot_deps_stmt): Same.
1532         * graphite-poly.c (dot_lst): Same.
1533
1534 2010-06-11  Sebastian Pop  <sebastian.pop@amd.com>
1535
1536         * graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass
1537         old_type in parameter.
1538         (gcc_type_for_value): Update call to gcc_type_for_interval.
1539         (compute_type_for_level_1): Renamed compute_type_for_level.
1540         Update call to gcc_type_for_interval.
1541
1542 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1543
1544         * tree-scalar-evolution.c (instantiate_scev_name): Do not fail
1545         the scev analysis when the variable is not used outside the loop
1546         in a close phi node: call compute_overall_effect_of_inner_loop.
1547
1548 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1549
1550         * graphite-sese-to-poly.c (single_pred_cond): Renamed
1551         single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
1552         (build_sese_conditions_before): Renamed call to single_pred_cond.
1553         (build_sese_conditions_after): Same.
1554
1555 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1556
1557         * graphite-poly.h: Fix comments and indentation.
1558         * graphite-sese-to-poly.c: Same.
1559         (build_sese_conditions_before): Compute stmt and gbb only when needed.
1560         * tree-chrec.c: Fix comments and indentation.
1561         (tree-ssa-loop-niter.c): Same.
1562
1563 2010-06-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1564
1565         * refined-regions.c (create_region): Only initialize the region.
1566         (find_regions_with_entry): Initialize parent relation and bbmap
1567         correctly.
1568         (build_regions_tree): Set outermost_region to region instead of
1569         topmost_region.
1570         (calculate_region_tree): Remove unneeded parameters.
1571
1572 2010-06-02  Tobias Grosser  <grosser@fim.uni-passau.de>
1573
1574         * graphite-scop-detection.c (is_scop_p): New.
1575         (build_scops_new): New. A skeleton for the new scop detection.
1576         (build_scops_old): Renamed from build_scops.
1577         (build_scops): New version. Call the new and the old scop
1578         detection.
1579
1580 2010-05-27  Tobias Grosser  <grosser@fim.uni-passau.de>
1581             Antoniu Pop  <antoniu.pop@gmail.com>
1582
1583         * Makefile.in (OBJS-common): Add refined-regions.o.
1584         (refined-regions.o): New.
1585         (graphite-scop-detection.o): Use refined-regions.h.
1586         * graphite-scop-detection.c: Include refined-regions.h
1587         (build_scops): Also build the refined region tree.
1588         * refined-regions.c: New. Adds an algorithm to detect refined
1589         regions.
1590         (print_refined_region): New.
1591         (debug_refined_region): New.
1592         (refined_region_contains_bb_p): New.
1593         (refined_region_contains_region_p): New.
1594         (is_common_df): New.
1595         (struct find_regions_global_data): New.
1596         (is_region): New.
1597         (typedef struct bb_bb_def): New.
1598         (new_bb_bb_def): New.
1599         (bb_bb_map_hash): New.
1600         (eq_bb_bb_map): New.
1601         (find_new_bb): New.
1602         (bb_reg_def): New.
1603         (new_bb_reg_def): New.
1604         (bb_reg_map_hash): New.
1605         (eq_bb_reg_map): New.
1606         (find_new_region): New.
1607         (insert_new_reg): New.
1608         (insert_new_bb): New.
1609         (insert_shortcut): New.
1610         (get_next_postdom): New.
1611         (create_region): New.
1612         (find_regions_with_entry): New.
1613         (find_regions_adc): New.
1614         (find_regions): New.
1615         (get_topmost_parent): New.
1616         (build_regions_tree): New.
1617         (calculate_region_tree): New.
1618         (free_region_tree): New.
1619         * refined-regions.h: New.
1620         (struct refined_region): New.
1621         (calculate_region_tree): New.
1622         (free_region_tree): New.
1623         (refined_region_contains_bb_p): New.
1624         (refined_region_contains_region_p): New.
1625         (print_refined_region): New.
1626         (debug_refined_region): New.
1627
1628 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
1629
1630         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1631         size_one_node.
1632
1633 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
1634
1635         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Fix
1636         type of integer_one_node for fold_build of POINTER_PLUS_EXPR.
1637
1638 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
1639
1640         * graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
1641         phi_arg_in_outermost_loop.
1642         (remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
1643         (remove_invariant_phi): Same.
1644
1645 2010-04-12  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1646
1647         * graphite-blocking.c
1648         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1649         * graphite-clast-to-gimple.c
1650         (clast_to_gcc_expression): Same.
1651         (precision_for_value): Same.
1652         (precision_for_interval): Same.
1653         (gcc_type_for_interval): Same.
1654         (graphite_create_new_guard): Same.
1655         (compute_bounds_for_level): Same.
1656         (graphite_create_new_loop_guard): Same.
1657         * graphite-interchange.c
1658         (build_linearized_memory_access): Same.
1659         (pdr_stride_in_loop): Same.
1660         (memory_strides_in_loop_1): Same.
1661         (memory_strides_in_loop): Same.
1662         (extend_scattering): Same.
1663         (psct_scattering_dim_for_loop_depth): Same.
1664         (pbb_number_of_iterations): Same.
1665         * graphite-poly.h
1666         (debug_iteration_domains): Same.
1667         * graphite-ppl.c
1668         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1669         (ppl_set_inhomogeneous_gmp): Same.
1670         (ppl_strip_loop): Same.
1671         (ppl_lexico_compare_linear_expressions): Same.
1672         (ppl_read_polyhedron_matrix): Same.
1673         (ppl_max_for_le_pointset): Same.
1674         * graphite-ppl.h
1675         (ppl_read_polyhedron_matrix): Same.
1676         (tree_int_to_gmp): Same.
1677         (gmp_cst_to_tree): Same.
1678         (ppl_set_inhomogeneous): Same.
1679         (ppl_set_inhomogeneous_tree): Same.
1680         (ppl_set_coef): Same.
1681         (ppl_set_coef_tree): Same.
1682         * graphite-sese-to-poly.c
1683         (build_pbb_scattering_polyhedrons): Same.
1684         (build_scop_scattering): Same.
1685         (scan_tree_for_params_right_scev): Same.
1686         (scan_tree_for_params): Same.
1687         (find_params_in_bb): Same.
1688         (find_scop_parameters): Same.
1689         (add_upper_bounds_from_estimated_nit): Same.
1690         (build_loop_iteration_domains): Same.
1691         (add_condition_to_domain): Same.
1692         (pdr_add_memory_accesses): Same.
1693
1694 2010-04-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1695
1696         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1697         CLooG's value_* macros to their respective mpz_* counterparts.
1698         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1699         (graphite_create_new_loop_guard): Same.
1700         * graphite-interchange.c (build_linearized_memory_access): Same.
1701         (pdr_stride_in_loop): Same.
1702         (memory_strides_in_loop_1): Same.
1703         (1st_interchange_profitable_p): Same.
1704         * graphite-poly.c (extend_scattering): Same.
1705         (psct_scattering_dim_for_loop_depth): Same.
1706         (pbb_number_of_iterations): Same.
1707         (pbb_number_of_iterations_at_time): Same.
1708         * graphite-poly.h (new_1st_loop): Same.
1709         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1710         (oppose_constraint): Same.
1711         (insert_constraint_into_matrix): Same.
1712         (ppl_set_inhomogeneous_gmp): Same.
1713         (ppl_set_coef_gmp): Same.
1714         (ppl_strip_loop): Same.
1715         (ppl_lexico_compare_linear_expressions): Same.
1716         (ppl_max_for_le_pointset): Same.
1717         (ppl_min_for_le_pointset): Same.
1718         (ppl_build_realtion): Same.
1719         * graphite-ppl.h (gmp_cst_to_tree): Same.
1720         (ppl_set_inhomogeneous): Same.
1721         (ppl_set_inhomogeneous_tree): Same.
1722         (ppl_set_coef): Same.
1723         (ppl_set_coef_tree): Same.
1724         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1725         (build_scop_scattering): Same.
1726         (add_value_to_dim): Same.
1727         (scan_tree_for_params_right_scev): Same.
1728         (scan_tree_for_params_int): Same.
1729         (scan_tree_for_params): Same.
1730         (find_params_in_bb): Same.
1731         (find_scop_parameters): Same.
1732         (add_upper_bounds_from_estimated_nit): Same.
1733         (build_loop_iteration_domains): Same.
1734         (create_linear_expr_from_tree): Same.
1735         (add_condition_to_domain): Same.
1736         (pdr_add_memory_accesses): Same.
1737
1738 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1739
1740         PR middle-end/43519
1741         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1742         lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
1743         When converting an unsigned type to signed, double its precision.
1744         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1745         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1746         (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
1747
1748 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1749
1750         PR middle-end/43519
1751         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1752         build_nonstandard_integer_type.
1753         (gcc_type_for_interval): Same.
1754
1755 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1756
1757         PR middle-end/43519
1758         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1759         POINTER_PLUS_EXPR for pointer types.
1760
1761         * gcc.dg/graphite/id-19.c: New.
1762
1763 2010-04-04  Sebastian Pop  <sebastian.pop@amd.com>
1764
1765         PR middle-end/43519
1766         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1767         * graphite-clast-to-gimple.c: Include langhooks.h.
1768         (max_signed_precision_type): New.
1769         (max_precision_type): Takes two types as arguments.
1770         (precision_for_value): New.
1771         (precision_for_interval): New.
1772         (gcc_type_for_interval): New.
1773         (gcc_type_for_value): New.
1774         (gcc_type_for_clast_term): New.
1775         (gcc_type_for_clast_red): New.
1776         (gcc_type_for_clast_bin): New.
1777         (gcc_type_for_clast_expr): Split up into several functions.
1778         (gcc_type_for_clast_eq): Rewritten.
1779         (compute_bounds_for_level): New.
1780         (compute_type_for_level_1): New.
1781         (compute_type_for_level): New.
1782         (gcc_type_for_cloog_iv): Removed.
1783         (gcc_type_for_iv_of_clast_loop): Rewritten.
1784         (graphite_create_new_loop): Compute the lower and upper bound types
1785         with gcc_type_for_clast_expr.
1786         (graphite_create_new_loop_guard): Same.
1787         (find_cloog_iv_in_expr): Removed.
1788         (compute_cloog_iv_types_1): Removed.
1789         (compute_cloog_iv_types): Removed.
1790         (gloog): Do not call compute_cloog_iv_types.
1791         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1792         GBB_CLOOG_IV_TYPES.
1793         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1794         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1795         (GBB_CLOOG_IV_TYPES): Removed.
1796
1797         * gcc.dg/graphite/run-id-pr42644.c: Call abort.
1798
1799 2010-04-02  Sebastian Pop  <sebastian.pop@amd.com>
1800
1801         Reverted this commit: as at this point the loop closed SSA form
1802         is under a canonical form respecting the single argument condition.
1803         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1804         close phi nodes may have more than one argument.
1805
1806 2010-04-01  Sebastian Pop  <sebastian.pop@amd.com>
1807
1808         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1809         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1810         (detect_commutative_reduction): Same.
1811
1812 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
1813
1814         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1815         close phi nodes may have more than one argument.
1816
1817 2010-03-30  Richard Guenther  <rguenther@suse.de>
1818             Zdenek Dvorak  <ook@ucw.cz>
1819             Sebastian Pop  <sebastian.pop@amd.com>
1820
1821         PR middle-end/43464
1822         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
1823         with multiple arguments.
1824         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
1825
1826 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1827
1828         * graphite-dependences.c (print_pddr): Call print_pdr with an
1829         extra argument.
1830         * graphite-poly.c (debug_pdr): Add an extra argument for the
1831         verbosity level.
1832         (print_pdr): Same.
1833         (print_pbb_domain): Same.
1834         (print_pbb): Same.
1835         (print_scop_context): Same.
1836         (print_scop): Same.
1837         (print_cloog): Same.
1838         (debug_pbb_domain): Same.
1839         (debug_pbb): Same.
1840         (print_pdrs): Same.
1841         (debug_pdrs): Same.
1842         (debug_scop_context): Same.
1843         (debug_scop): Same.
1844         (debug_cloog): Same.
1845         (print_scop_params): Same.
1846         (debug_scop_params): Same.
1847         (print_iteration_domain): Same.
1848         (print_iteration_domains): Same.
1849         (debug_iteration_domain): Same.
1850         (debug_iteration_domains): Same.
1851         (print_scattering_function): Same.
1852         (print_scattering_functions): Same.
1853         (debug_scattering_function): Same.
1854         (debug_scattering_functions): Same.
1855         * graphite-poly.h (debug_pdr): Update declaration.
1856         (print_pdr): Same.
1857         (print_pbb_domain): Same.
1858         (print_pbb): Same.
1859         (print_scop_context): Same.
1860         (print_scop): Same.
1861         (print_cloog): Same.
1862         (debug_pbb_domain): Same.
1863         (debug_pbb): Same.
1864         (print_pdrs): Same.
1865         (debug_pdrs): Same.
1866         (debug_scop_context): Same.
1867         (debug_scop): Same.
1868         (debug_cloog): Same.
1869         (print_scop_params): Same.
1870         (debug_scop_params): Same.
1871         (print_iteration_domain): Same.
1872         (print_iteration_domains): Same.
1873         (debug_iteration_domain): Same.
1874         (debug_iteration_domains): Same.
1875         (print_scattering_function): Same.
1876         (print_scattering_functions): Same.
1877         (debug_scattering_function): Same.
1878         (debug_scattering_functions): Same.
1879
1880 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1881
1882         * graphite-poly.c (print_scattering_function_1): New.
1883         (print_scattering_function): Call it.
1884         (print_scop_params): Remove spaces at the end of lines.
1885         (print_cloog): New.
1886         (debug_cloog): New.
1887         * graphite-poly.h (print_cloog): Declared.
1888         (debug_cloog): Declared.
1889
1890 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1891
1892         * tree-ssa-copy.c: Revert this previous change:
1893         (init_copy_prop): Loop closed phi nodes cancontain more than one
1894         argument.
1895         (execute_copy_prop): Revert the previous change: do not call
1896         rewrite_into_loop_closed_ssa.
1897
1898 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1899             Richard Guenther  <rguenther@suse.de>
1900
1901         PR middle-end/43464
1902         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
1903         contain more than one argument.
1904         (execute_copy_prop): Revert the previous change: do not call
1905         rewrite_into_loop_closed_ssa.
1906
1907         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
1908         * gcc.dg/graphite/id-pr43464-1.c: New.
1909
1910 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1911
1912         PR middle-end/43464
1913         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
1914         and verify_loop_closed_ssa when copy prop is executed in the LNO.
1915
1916         * gcc.dg/graphite/id-pr43464.c: New.
1917
1918 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1919
1920         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
1921         in loop->header.
1922         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
1923         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
1924         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
1925         to switch between adding the IV bump in loop->latch or in loop->header.
1926
1927 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1928
1929         * passes.c (init_optimization_passes): Add pass_copy_prop
1930         after Graphite.
1931
1932 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1933
1934         * graphite-poly.c (print_scattering_function): Pretty print following
1935         the scoplib format.
1936         (print_pdr): Same.
1937         (print_pbb_domain): Same.
1938         (dump_gbb_cases): Same.
1939         (dump_gbb_conditions): Same.
1940         (print_pdrs): Same.
1941         (print_pbb): Same.
1942         (print_scop_params): Same.
1943         (print_scop_context): Same.
1944         (print_scop): Same.
1945         (print_pbb_body): New.
1946         (lst_indent_to): New.
1947         (print_lst): Start new lines with a #.
1948         * graphite-poly.h (pbb_bb): New.
1949         (pbb_index): Use pbb_bb.
1950         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
1951         disjuncts.
1952         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
1953
1954 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1955
1956         PR middle-end/43351
1957         * gcc.dg/graphite/id-pr43351.c
1958
1959 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1960
1961         PR middle-end/43354
1962         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
1963         call insert_out_of_ssa_copy for default definitions.
1964         * gfortran.dg/graphite/id-pr43354.f: New.
1965
1966 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1967
1968         PR middle-end/43349
1969         * gfortran.dg/graphite/pr43349.f: New.
1970
1971 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
1972
1973         * graphite-clast-to-gimple.c (my_long_long): Defined.
1974         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
1975         * graphite-sese-to-poly.c (my_long_long): Defined.
1976         (scop_ivs_can_be_represented): Use it.
1977
1978 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1979
1980         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
1981         graphite-max-bbs-per-function, and loop-block-tile-size.
1982         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
1983         with "maximum".
1984         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
1985
1986 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1987
1988         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
1989         forward declaration.
1990         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
1991         (add_upper_bounds_from_estimated_nit): New.
1992         (build_loop_iteration_domains): Use it.
1993
1994 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1995
1996         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
1997
1998 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1999
2000         PR middle-end/43306
2001         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
2002         should be an INTEGER_CST.  Also handle CASE_CONVERT.
2003         * gcc.dg/graphite/pr43306.c: New.
2004
2005 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
2006
2007         * graphite.c (graphite_initialize): To bound the number of bbs per
2008         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
2009         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
2010         * doc/invoke.texi: Document it.
2011
2012 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
2013
2014         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
2015         * graphite-sese-to-poly.h (build_poly_scop): Same.
2016
2017 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
2018
2019         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
2020         the number of parameters in the scop.  Use as an upper bound
2021         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
2022         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
2023         * doc/invoke.texi: Document it.
2024
2025 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
2026
2027         * graphite-sese-to-poly.c (add_param_constraints): Use
2028         lower_bound_in_type and upper_bound_in_type.
2029
2030 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
2031
2032         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
2033         instead of unsigned_type_node.
2034
2035 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
2036             Reza Yazdani  <reza.yazdani@amd.com>
2037
2038         PR middle-end/43065
2039         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
2040         on pointer type parameters.
2041
2042         * gcc.dg/graphite/run-id-4.c: New.
2043
2044 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
2045
2046         PR middle-end/43065
2047         * gcc.dg/graphite/run-id-3.c: New.
2048
2049 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2050             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
2051
2052         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
2053         handle conversions from pointer to integers.
2054         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
2055         induction variable, to be able to work with code generated by CLooG.
2056         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
2057         (build_poly_scop): Bail out if we cannot codegen a loop.
2058
2059 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2060
2061         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
2062         code generation with gloog_error.
2063
2064 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2065
2066         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
2067         Call fold_convert on all the returned values.
2068         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
2069         the type of the resulting expression.
2070
2071 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2072
2073         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
2074         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
2075         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
2076
2077 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2078
2079         * graphite-dependences.c (map_into_dep_poly): Removed.
2080         (dependence_polyhedron_1): Use combine_context_id_scat.
2081
2082 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2083
2084         * graphite-poly.h (struct poly_scattering): Add layout documentation.
2085         (struct poly_bb): Same.
2086         (combine_context_id_scat): New.
2087
2088 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2089
2090         PR middle-end/42326
2091         * sese.c (name_defined_in_loop_p): Return false for default
2092         definitions.
2093
2094         * gcc.dg/graphite/pr42326.c: New.
2095
2096 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2097
2098         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
2099         and clean up the logic.
2100
2101 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2102
2103         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
2104         early return.
2105
2106 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
2107
2108         PR middle-end/43083
2109         * graphite-scop-detection.c (create_single_exit_edge): Move
2110         the call to find_single_exit_edge to....
2111         (create_sese_edges): ...here.  Don't handle multiple edges
2112         exiting the function.
2113         (build_graphite_scops): Don't handle multiple edges
2114         exiting the function.
2115
2116         * gcc.dg/graphite/pr43083.c: New.
2117
2118 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
2119
2120         PR middle-end/43097
2121         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
2122         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
2123
2124         * gfortran.dg/graphite/pr43097.f: New.
2125
2126 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
2127             Manuel López-Ibáñez  <manu@gcc.gnu.org>
2128
2129         PR middle-end/43140
2130         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
2131
2132 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
2133
2134         PR middle-end/43026
2135         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
2136
2137         * g++.dg/graphite/pr43026.C: New.
2138
2139 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2140
2141         * Merge from mainline (154736:156693).
2142
2143 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
2144
2145         PR middle-end/43012
2146         * gcc.dg/graphite/pr43012.c: New.
2147
2148 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2149
2150         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
2151 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2152
2153         * g++.dg/graphite/pr42930.C: New.
2154
2155 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2156
2157         PR middle-end/42930
2158         * graphite-scop-detection.c (graphite_can_represent_scev): Call
2159         graphite_can_represent_init for MULT_EXPR.
2160
2161 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2162
2163         PR middle-end/42914
2164         PR middle-end/42530
2165         * graphite-sese-to-poly.c (remove_phi): New.
2166         (translate_scalar_reduction_to_array): Call remove_phi.
2167
2168         * gcc.dg/graphite/pr42530.c: New.
2169         * gcc.dg/graphite/pr42914.c: New.
2170
2171 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2172
2173         PR middle-end/42771
2174         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
2175         * graphite-clast-to-gimple.h (gloog): Update declaration.
2176         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
2177         * graphite-poly.h (struct poly_bb): Add missing comments.
2178         (struct scop): Add poly_scop_p field.
2179         (POLY_SCOP_P): New.
2180         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
2181         * graphite.c (graphite_transform_loops): Build the polyhedral
2182         representation for each scop before code generation.
2183         * sese.c (rename_variables_in_operand): Removed.
2184         (rename_variables_in_expr): Return the renamed expression.
2185         (rename_sese_parameters): New.
2186         * sese.h (rename_sese_parameters): Declared.
2187
2188         * gcc.dg/graphite/pr42771.c: New.
2189
2190 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
2191
2192         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
2193         return 0 from main.
2194         * gcc.dg/graphite/block-1.c: Same.
2195         * gcc.dg/graphite/block-3.c: Same.
2196         * gcc.dg/graphite/block-4.c: Same.
2197         * gcc.dg/graphite/block-5.c: Same.
2198         * gcc.dg/graphite/block-6.c: Same.
2199         * gcc.dg/graphite/block-7.c: Same.
2200         * gcc.dg/graphite/interchange-0.c: Same.
2201         * gcc.dg/graphite/interchange-1.c: Same.
2202         * gcc.dg/graphite/interchange-10.c: Same.
2203         * gcc.dg/graphite/interchange-11.c: Same.
2204         * gcc.dg/graphite/interchange-12.c: Same.
2205         * gcc.dg/graphite/interchange-2.c: Same.
2206         * gcc.dg/graphite/interchange-3.c: Same.
2207         * gcc.dg/graphite/interchange-4.c: Same.
2208         * gcc.dg/graphite/interchange-5.c: Same.
2209         * gcc.dg/graphite/interchange-6.c: Same.
2210         * gcc.dg/graphite/interchange-7.c: Same.
2211         * gcc.dg/graphite/interchange-8.c: Same.
2212         * gcc.dg/graphite/interchange-9.c: Same.
2213         * gcc.dg/graphite/interchange-mvt.c: Same.
2214
2215 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
2216
2217         * gfortran.dg/graphite/id-19.f: New.
2218         * gfortran.dg/graphite/pr14741.f90: New.
2219         * gfortran.dg/graphite/pr41924.f90: New.
2220         * gfortran.dg/graphite/run-id-2.f90: New.
2221
2222 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
2223
2224         PR middle-end/42988
2225         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
2226         to unknown_dependence.
2227         (graphite_legal_transform_dr): Handle the unknown_dependence.
2228         (graphite_carried_dependence_level_k): Same.
2229
2230 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
2231
2232         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
2233
2234 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
2235             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
2236
2237         PR middle-end/42637
2238         * graphite-dependences.c (build_lexicographical_constraint): Return
2239         a union of dependence polyhedra.
2240         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
2241
2242         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
2243         * gcc.dg/graphite/block-4.c: Same.
2244         * gcc.dg/graphite/block-7.c: Same.
2245         * gcc.dg/graphite/interchange-12.c: Same.
2246         * gcc.dg/graphite/interchange-mvt.c: Same.
2247         * gfortran.dg/graphite/interchange-1.f: XFAILed.
2248         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
2249         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
2250
2251 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
2252
2253         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
2254         the execution check to FAIL.  This testcase is miscompiled by Graphite
2255         and the check should be re-enabled.
2256         * gcc.dg/graphite/interchange-mvt.c: Same.
2257         * gcc.dg/graphite/block-0.c: Same.
2258         * gcc.dg/graphite/block-4.c: Same.
2259         * gcc.dg/graphite/block-7.c: Same.
2260
2261 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
2262
2263         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
2264         * gcc.dg/graphite/scop-0.c: Fix spaces.
2265         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
2266         * gfortran.dg/graphite/block-2.f: Same.
2267         * gfortran.dg/graphite/block-3.f90: Same.
2268         * gfortran.dg/graphite/block-4.f90: Same.
2269         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
2270         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
2271
2272 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
2273
2274         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
2275         PDDR_ORIGINAL_SCATTERING_P.
2276         (pddr_is_empty): Rewritten.
2277         (print_dependence_polyhedron_layout): New.
2278         (print_pddr): New.
2279         (debug_pddr): New.
2280         (build_alias_set_powerset): Moved up.
2281         (poly_drs_may_alias_p): Moved up.
2282         (lexicographically_gt_p): Removed.
2283         (build_lexicographically_gt_constraint): Renamed
2284         build_lexicographical_constraint, reimplemented.
2285         (dependence_polyhedron_1): Simplified parameters.
2286         (dependence_polyhedron): Same.  Keep along empty PDDRs
2287         to make efficient use of the cache.
2288         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
2289         (graphite_legal_transform_dr): Rewritten.
2290         (graphite_legal_transform_bb): Pass fewer arguments to
2291         graphite_legal_transform_dr.
2292         (graphite_carried_dependence_level_k): Simplified implementation.
2293         (dot_original_deps_stmt_1): Call dependence_polyhedron.
2294         (dot_transformed_deps_stmt_1): Same.
2295         (dot_original_deps): Same.
2296         (dot_transformed_deps): Same.
2297         * graphite-dependences.h (struct poly_ddr): Added a new field
2298         original_scattering_p.
2299         (PDDR_ORIGINAL_SCATTERING_P): New.
2300         (print_pddr): Declared.
2301         (debug_pddr): Declared.
2302         * graphite-ppl.c: Clarify comment.
2303         * sese.h (print_gimple_bb): Removed unused declaration.
2304         (debug_gbb): Same.
2305
2306 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
2307
2308         * g++.dg/graphite/graphite.exp: Rewritten.
2309         * gcc.dg/graphite/graphite.exp: Rewritten.
2310         * gfortran.dg/graphite/graphite.exp: Rewritten.
2311         * gcc.dg/graphite/block-0.c: Added runtime test.
2312         * gcc.dg/graphite/block-1.c: Same.
2313         * gcc.dg/graphite/block-3.c: Same.
2314         * gcc.dg/graphite/block-4.c: Same.
2315         * gcc.dg/graphite/block-5.c: Same.
2316         * gcc.dg/graphite/block-6.c: Same.
2317         * gcc.dg/graphite/block-7.c: Same.
2318         * gcc.dg/graphite/interchange-0.c: Same.
2319         * gcc.dg/graphite/interchange-1.c: Same.
2320         * gcc.dg/graphite/interchange-10.c: Same.
2321         * gcc.dg/graphite/interchange-11.c: Same.
2322         * gcc.dg/graphite/interchange-12.c: Same.
2323         * gcc.dg/graphite/interchange-2.c: Same.
2324         * gcc.dg/graphite/interchange-3.c: Same.
2325         * gcc.dg/graphite/interchange-4.c: Same.
2326         * gcc.dg/graphite/interchange-5.c: Same.
2327         * gcc.dg/graphite/interchange-6.c: Same.
2328         * gcc.dg/graphite/interchange-7.c: Same.
2329         * gcc.dg/graphite/interchange-8.c: Same.
2330         * gcc.dg/graphite/interchange-9.c: Same.
2331         * gcc.dg/graphite/interchange-mvt.c: Same.
2332         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
2333
2334 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
2335
2336         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
2337           background.
2338
2339 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
2340
2341         * common.opt: Add -fgraphite-cloog-opts.
2342         * graphite-clast-to-gimple.c (set_cloog_options): Same.
2343         * opts.c (decode_options): Same.
2344
2345 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2346
2347         * gcc.dg/graphite/id-17.c: New.
2348         * gcc.dg/graphite/pr41888.c: New.
2349         * gcc.dg/graphite/scop-22.c: New.
2350         * gfortran.dg/graphite/pr40982.f90: New.
2351
2352 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2353
2354         * graphite-dependences.c: Clarify comments.
2355         (build_pddr): Add an extra parameter direction.
2356         (graphite_legal_transform_dr): Use build_pddr.
2357         (dot_original_deps_stmt_1): Update use of build_pddr.
2358         (dot_transformed_deps_stmt_1): Same.
2359         (dot_original_deps): Same.
2360         (dot_transformed_deps): Same.
2361
2362         * gcc.dg/graphite/interchange-12.c: New.
2363         * gcc.dg/graphite/block-7.c: New.
2364
2365 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2366
2367         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
2368         (pddr_transformed_scattering): Removed.
2369         (graphite_legal_transform_dr): Use build_pddr.
2370         (dot_original_deps_stmt_1): Same.
2371         (dot_transformed_deps_stmt_1): Same.
2372         (dot_original_deps): Same.
2373         (dot_transformed_deps): Same.
2374
2375 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2376
2377         * graphite-dependences.c (lexicographically_gt_p): Add comments.
2378         (build_lexicographically_gt_constraint): Same.
2379         (dependence_polyhedron_1): Same.
2380         (dependence_polyhedron): Same.
2381
2382 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2383
2384         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
2385         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
2386         (lexicographically_gt_p): Change type of direction to int.
2387         (build_lexicographically_gt_constraint): Same.
2388         (dependence_polyhedron_1): Same.
2389         (dependence_polyhedron): Same.
2390         (pddr_original_scattering): Use integers for direction.
2391         (pddr_transformed_scattering): Same.
2392         (graphite_legal_transform_dr): Same.
2393         (graphite_carried_dependence_level_k): Same.
2394
2395 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2396
2397         * graphite-dependences.c (build_pairwise_constraint): Renamed
2398         ppl_build_relation.  Moved...
2399         (dr_equality_constraints): Use ppl_build_relation.
2400         (build_pairwise_scheduling_equality): Same.
2401         (build_pairwise_scheduling_inequality): Same.
2402         * graphite-ppl.c (ppl_build_relation): ...here.
2403         * graphite-ppl.h (ppl_build_relation): Declared.
2404
2405 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2406
2407         PR middle-end/42681
2408         * graphite-clast-to-gimple.c (gloog_error): New static variable.
2409         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
2410         Set gloog_error when such an expression failed to be built.
2411         (translate_clast): Early return when gloog_error is set.
2412         (gloog): Clear gloog_error.  When gloog_error is set, call
2413         set_ifsese_condition to enable the original code.  Return the status
2414         of the code generation based on gloog_error.
2415         * sese.c (set_ifsese_condition): New.
2416         * sese.h (set_ifsese_condition): Declared.
2417
2418         * g++.dg/graphite/pr42681.C: New.
2419
2420 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2421
2422         PR middle-end/42732
2423         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
2424         rename_nb_iterations.
2425         * sese.c (rename_variables_in_operand): New.
2426         (rename_variables_in_expr): New.
2427         (rename_nb_iterations): New.
2428         (sese_adjust_liveout_phis): Update the rename_map.
2429         * sese.h (rename_nb_iterations): Declared.
2430         * tree-scalar-evolution.c (scev_reset_htab): New.
2431         (scev_reset): Call scev_reset_htab.
2432         * tree-scalar-evolution.h (scev_reset_htab): Declared.
2433
2434         * gfortran.dg/graphite/pr42732.f: New.
2435
2436 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2437
2438         PR middle-end/42393
2439         * graphite-clast-to-gimple.c: Fix formatting.
2440         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
2441         (expr_defined_in_loop_p): New.
2442         (add_loop_exit_phis): Also handle full expressions: remove from
2443         the rename_map the expressions defined in the loop that we're closing.
2444
2445         * gfortran.dg/graphite/pr42393-1.f90: New.
2446         * gfortran.dg/graphite/pr42393.f90: Add new flags
2447         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
2448         make this testcase useful in the Graphite branch.
2449
2450 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2451
2452         * graphite-scop-detection.c (exclude_component_ref): Removed.
2453         (is_simple_operand): Removed.
2454         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
2455
2456 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2457
2458         PR middle-end/42221
2459         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
2460         the array indexing of ADDR_EXPRs.
2461
2462         * gcc.dg/graphite/pr42221.c: New.
2463
2464 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2465
2466         PR middle-end/42521
2467         * graphite.c (graphite_finalize): Call scev_reset.
2468         (graphite_transform_loops): Do not call scev_reset between the code
2469         generation of scops.
2470
2471         * gcc.dg/graphite/pr42521.c: New.
2472
2473 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2474
2475         * graphite-interchange.c (memory_stride_in_loop): Renamed
2476         pdr_stride_in_loop.
2477         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
2478         (memory_strides_in_loop): Memoize the memory strides per loop.
2479         (lst_interchange_profitable_p): Do not initialize to zero the memory
2480         strides.
2481         * graphite-poly.h (struct lst): Add a field memory_strides.
2482         (LST_LOOP_MEMORY_STRIDES): New.
2483         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
2484         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
2485
2486 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2487
2488         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
2489         memory_strides_in_loop.  Gather memory strides on a whole loop.
2490         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
2491         (lst_interchange_profitable_p): Removed.
2492         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
2493
2494 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2495
2496         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2497         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
2498         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
2499         Remove context_loop and level.
2500
2501 2010-01-07  Richard Guenther  <rguenther@suse.de>
2502
2503         PR tree-optimization/42641
2504         * sese.c (rename_map_elt_info): Use the SSA name version, do
2505         not hash pointers.
2506
2507 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
2508
2509         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
2510         blocked" only when both the strip mine and the interchange have
2511         been applied.
2512
2513         * gcc.dg/graphite/block-2.c: Removed.
2514         * gcc.dg/graphite/block-3.c: Add scan pattern.
2515         * gcc.dg/graphite/block-4.c: Same.
2516         * gcc.dg/graphite/block-5.c: Same.
2517         * gcc.dg/graphite/block-6.c: Same.
2518
2519 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
2520
2521         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
2522         before allocating a new one.
2523         (copy_renames): Check that slot is not NULL.
2524         (mark_bb_with_pbb): Same.
2525         (compute_cloog_iv_types_1): Same.
2526         * graphite-interchange.c (lst_perfect_nestify): Free the before,
2527         nest, and after LSTs.
2528         (lst_try_interchange_loops): Same.
2529
2530 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
2531
2532         PR middle-end/42178
2533         * graphite-interchange.c (lst_try_interchange_loops): Do not return
2534         the before, nest, and after LSTs.
2535         (lst_try_interchange): Removed.
2536         (lst_interchange_select_inner): Do not iterate over the LSTs if they
2537         were modified.
2538         (lst_interchange_select_outer): Apply interchange on the outer loop
2539         until there are no more changes in the inner loops.
2540
2541 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2542
2543         Revert patch fixing PR middle-end/42221.
2544
2545 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2546
2547         PR middle-end/42180
2548         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
2549         GIMPLE_CALL.
2550
2551         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
2552
2553 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2554
2555         PR middle-end/42180
2556         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
2557         that contain only one statement.
2558
2559         * gfortran.dg/graphite/pr42180.f90: New.
2560
2561 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2562
2563         PR middle-end/42393
2564         * gfortran.dg/graphite/pr42393.f90: New.
2565
2566 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2567
2568         PR middle-end/42186
2569         * gfortran.dg/graphite/pr42186.f90: New.
2570
2571 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2572
2573         PR middle-end/42205
2574         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
2575         Insert the reduction copy in the same block as the phi node.
2576         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
2577
2578         * gcc.dg/graphite/pr42205-1.c: New.
2579         * gcc.dg/graphite/pr42205-2.c: New.
2580
2581 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2582
2583         PR middle-end/42221
2584         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
2585         the array indexing of ADDR_EXPRs.
2586
2587         * gcc.dg/graphite/pr42221.c: New.
2588
2589 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2590
2591         PR middle-end/42178
2592         PR middle-end/42334
2593         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
2594         index.  Call lst_interchange_select_inner only once.
2595         (lst_interchange_select_inner): Update use of lst_try_interchange.
2596         (lst_interchange_select_outer): Update.
2597
2598 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
2599
2600         PR middle-end/42178
2601         PR middle-end/42334
2602         * graphite-interchange.c (lst_try_interchange): Do not increment the
2603         the OUTER index when there is no AFTER kernel.  Do not increment the
2604         OUTER index for after processing the AFTER kernel.
2605         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
2606         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
2607         index.  Do not pass to lst_interchange_select_inner the OUTER index.
2608         (scop_do_interchange): Update use of lst_interchange_select_outer.
2609
2610         * gfortran.dg/graphite/graphite.exp
2611         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
2612         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
2613         the graphite dump file.
2614         * gfortran.dg/graphite/interchange-2.f: Same.
2615         * gfortran.dg/graphite/pr42334-1.f: New.
2616
2617 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
2618
2619         PR middle-end/42178
2620         PR middle-end/42334
2621         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
2622         that are empty.
2623         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
2624         (lst_try_interchange): Reimplemented.
2625         (lst_interchange_select_inner): Same.
2626         (lst_do_interchange): Renamed lst_interchange_select_outer.
2627         Reimplemented.
2628         (scop_do_interchange): Update use of lst_interchange_select_outer.
2629
2630         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
2631         * gcc.dg/graphite/block-0.c: Un-XFAILed.
2632         * gcc.dg/graphite/pr42211.c: New.
2633         * gfortran.dg/graphite/pr42334.f90: New.
2634
2635 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
2636
2637         PR middle-end/42181
2638         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
2639         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
2640
2641         * gfortran.dg/graphite/pr42181.f90: New.
2642
2643 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
2644
2645         PR middle-end/42284
2646         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
2647         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
2648         (detect_commutative_reduction_arg): Simplified.
2649         (detect_commutative_reduction): Early return when the argument of
2650         the close phi is not of an SSA_NAME.
2651
2652         * gcc.dg/graphite/pr42284.c: New.
2653
2654 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
2655
2656         * dbgcnt.def (graphite_scop): New counter.
2657         * graphite.c: Include dbgcnt.h
2658         (graphite_transform_loops): Use new counter to limit transformations.
2659
2660 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
2661
2662         PR middle-end/42285
2663         * graphite-scop-detection.c (graphite_can_represent_init): Also
2664         handle more complex MULT_EXPRs containing parameters by recursion
2665         on the structure.
2666
2667         * gfortran.dg/graphite/pr42285.f90: New.
2668
2669 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2670
2671         * g++.dg/graphite/pr42130.C: Fix type.
2672
2673 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
2674
2675         * g++.dg/graphite/pr42130.C: Correct testcase.
2676
2677 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2678
2679         * Merge from mainline (154493:154734).
2680
2681 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2682
2683         * Merge from mainline (151362:154491).
2684
2685 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2686
2687         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
2688         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
2689
2690 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2691
2692         PR middle-end/42130
2693         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
2694         translate_clast_for_loop): New.
2695         (translate_clast_for): Add a condition around the loop, to do not
2696         execute loops with zero iterations.
2697         * g++.dg/graphite/pr42130.C: New.
2698         * gcc.dg/graphite/pr35356-2.c: Adapt.
2699
2700 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2701
2702         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
2703         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
2704         Remove context_loop and level.
2705
2706 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2707
2708         * graphite-clast-to-gimple.c (translate_clast_user,
2709         translate_clast_for, translate_clast_guard): Simplify and move common
2710         elements to translate_clast().
2711         (translate_clast): Simplify and get common elements.
2712
2713 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2714
2715         * graphite-clast-to-gimple.c (translate_clast_user,
2716         translate_clast_for, translate_clast_guard): Split out of
2717         translate_clast.
2718
2719 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
2720
2721         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
2722         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
2723         debug_clast_name_indexes_1, debug_clast_name_indexes,
2724         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
2725         (clast_name_to_gcc, clast_to_gcc_expression,
2726         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
2727         gcc_type_for_clast_eq, graphite_translate_clast_equation,
2728         graphite_create_guard_cond_expr, graphite_create_new_loop,
2729         translate_clast): Add params_index.
2730         (initialize_cloog_names): Create parameter strings from scratch, do
2731         not reference other strings.
2732         (create_params_index): New.
2733         (gloog): Initialize params_index.
2734         * graphite-scop-detection (free_scops_1): Removed.
2735         (limit_scops): Use normal free_scops.
2736         * graphite-sese-to-poly.c (save_var_names): Removed.
2737         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
2738         and SESE_PARAMS_INDEX.
2739         * sese.c (new_sese, free_sese): Dito.
2740         * sese.h (struct sese): Remove params_index, params_names.
2741         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
2742
2743 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2744
2745         Revert the following patch from 2009-09-14:
2746         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2747         tree-scalar-evolution.h, and then tree-data-ref.h.
2748         * graphite-clast-to-gimple.c: Same.
2749         * graphite-dependences.c: Same.
2750         * graphite-interchange.c: Same.
2751         * graphite-poly.c: Same.
2752         * graphite-scop-detection.c: Same.
2753         * graphite-sese-to-poly.c: Same.
2754         * graphite.c: Same.
2755         * lambda-code.c: Same.
2756         * matrix-reorg.c: Same.
2757         * tree-data-ref.c: Same.
2758         * tree-if-conv.c: Same.
2759         * tree-loop-distribu: Same.: Same.
2760         * tree-loop-linear.c: Same.
2761         * tree-parloops.c: Same.
2762         * tree-predcom.c: Same.
2763         * tree-vect-patterns.c: Same.
2764
2765 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2766
2767         Revert patch from 2009-09-14.
2768         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
2769         passes at -O1 and below.
2770
2771 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2772
2773         PR middle-end/40281
2774         * gcc.dg/graphite/pr40281.c: New.
2775
2776         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
2777         evolutions should not variate in inner loops.
2778
2779 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2780
2781         PR middle-end/42050
2782         * gfortran.dg/graphite/pr42050.f90: New.
2783
2784 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2785
2786         * graphite-interchange.c (memory_strides_in_loop_depth): New.
2787         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
2788
2789 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2790
2791         * graphite-blocking.c (scop_do_block): New.
2792         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
2793         * graphite-poly.h (scop_do_block): Declared.
2794
2795 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2796
2797         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
2798         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
2799         to transform depth into the time_depth before calling
2800         pbb_number_of_iterations_at_time.
2801         (lst_do_strip_mine): Use a scalar variable instead of recomputing
2802         lst_depth.
2803
2804 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2805
2806         Reverted the patch for "scattering permutations" from 2009-10-28.
2807
2808         * graphite-poly.c (print_permutation): New.
2809         (debug_permutation): New.
2810         (new_poly_bb): Initialize PBB_PERMUTATION.
2811         (free_poly_bb): Free PBB_PERMUTATION.
2812         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2813         (struct pbb_permutation_elt): New.
2814         (PBB_PERMUTATION_ELT_STRIDE): New.
2815         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2816         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2817         (new_pbb_permutation_elt): New.
2818         (pbb_permutation_elt_free): New.
2819         (struct poly_bb): Add field permutation.
2820         (PBB_PERMUTATION): New.
2821         (print_permutation): Declared.
2822         (debug_permutation): Declared.
2823
2824 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
2825
2826         * graphite-interchange.c (build_partial_difference): New.
2827         (memory_stride_in_loop): Refactored the computation of
2828         equality constraints into build_partial_difference function.
2829         Added support for debugging stride computations.
2830
2831 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2832
2833         * graphite-clast-to-gimple.c (gloog): Free if_region,
2834         if_region->true_region, and if_region->region.
2835         * sese.c (if_region_set_false_region): Free if_region->false_region.
2836         (create_if_region_on_edge): Do not use GGC_NEW.
2837         (move_sese_in_condition): Remove useless initialization.
2838
2839 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2840
2841         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
2842         for the loops created by the loop distribution.  Do not modify the
2843         input LSTs.
2844         (lst_try_interchange_loops): Same.  Use a temporary LST for the
2845         transformed schedule.  Call lst_update_scattering before data
2846         dependence analysis.
2847         (lst_try_interchange): Pass an extra parameter INDEX.
2848         (lst_do_interchange_1): New.
2849         (lst_do_interchange): Call lst_do_interchange_1.
2850         (scop_do_interchange): Call lst_update_scattering.
2851         * graphite-poly.c (apply_poly_transforms): Do not call
2852         lst_update_scattering.
2853         * graphite-poly.h (lst_pred): New.
2854         (lst_succ): New.
2855         (lst_find_first_pbb): Return NULL when not found.
2856         (lst_empty_p): New.
2857         (lst_insert_in_sequence): Allow LST1 to be NULL.
2858         (lst_replace): New.
2859         (lst_substitute_3): New.
2860         * gcc.dg/graphite/interchange-1.c: XFail.
2861         * gcc.dg/graphite/interchange-8.c: XFail.
2862         * gcc.dg/graphite/interchange-11.c: XFail.
2863
2864 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2865
2866         * graphite-interchange.c (lst_perfectly_nested_p): New.
2867         (lst_perfect_nestify): New.
2868         (lst_try_interchange_loops): Call store_lst_schedule,
2869         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
2870         (scop_do_interchange): Avoid redundant legality test.
2871         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
2872         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
2873         * graphite-poly.h (psct_static_dim): New.
2874         (lst_dewey_number_at_depth): New.
2875         (lst_find_pbb): Restructured.
2876         (lst_find_first_pbb): Restructured.
2877         (lst_find_last_pbb): New.
2878         (lst_contains_p): New.
2879         (lst_contains_pbb): New.
2880         (lst_create_nest): New.
2881         (lst_remove_from_sequence): New.
2882         (pbb_update_scattering): New.
2883         (lst_update_scattering_under): New.
2884         (lst_update_scattering_seq): New.
2885         (lst_update_scattering): New.
2886         (lst_insert_in_sequence): New.
2887         (lst_distribute_lst): New.
2888         (lst_remove_all_before_including_pbb): New.
2889         (lst_remove_all_before_excluding_pbb): New.
2890
2891 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2892
2893         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
2894         get_loop_exit_edges.
2895
2896 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2897
2898         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
2899
2900 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2901
2902         * graphite-poly.c (print_permutation): New.
2903         (debug_permutation): New.
2904         (new_poly_bb): Initialize PBB_PERMUTATION.
2905         (free_poly_bb): Free PBB_PERMUTATION.
2906         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2907         (struct pbb_permutation_elt): New.
2908         (PBB_PERMUTATION_ELT_STRIDE): New.
2909         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2910         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2911         (new_pbb_permutation_elt): New.
2912         (pbb_permutation_elt_free): New.
2913         (struct poly_bb): Add field permutation.
2914         (PBB_PERMUTATION): New.
2915         (print_permutation): Declared.
2916         (debug_permutation): Declared.
2917
2918 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2919
2920         * graphite-clast-to-gimple.c (gloog): Do not call
2921         sese_reset_aux_in_loops.
2922         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
2923         extra argument for domains.  Do not use loop->aux.
2924         (build_scop_iteration_domain): Initialize and free domains, pass it
2925         to build_loop_iteration_domains and extract the information from
2926         domains.  Do not use loop->aux.
2927         * sese.c (sese_reset_aux_in_loops): Removed.
2928         * sese.h (sese_reset_aux_in_loops): Removed.
2929
2930 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2931
2932         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
2933         (dependency_in_loop_p): Same.
2934         (translate_clast): Do not use loop->aux.  Initialize
2935         loop->can_be_parallel.
2936         (mark_loops_parallel): Removed.
2937         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
2938         * graphite.c (free_aux_in_new_loops): Removed.
2939         (graphite_finalize): Do not call free_aux_in_new_loops.
2940         (graphite_transform_loops): Do not call mark_loops_parallel.
2941
2942 2009-10-26  Li Feng  <nemokingdom@gmail.com>
2943
2944         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
2945         (translate_clast): Pass an extra parameter LEVEL.
2946         Call get_scattering_level.
2947         * graphite-clast-to-gimple.h (get_scattering_level): New.
2948
2949 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2950
2951         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
2952         * cfgloop.h (struct loop): New field single_iv.
2953
2954         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
2955         loop->aux anymore: use loop->single_iv.
2956         (graphite_loop_normal_form): Moved...
2957         (build_graphite_loop_normal_form): Removed.
2958         (gloog): Do not call build_graphite_loop_normal_form.
2959         (free_aux_in_new_loops): Moved...
2960         (mark_loops_parallel): Restructure.
2961         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
2962         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
2963         (scop_canonicalize_loops): New.
2964         (build_poly_scop): Call scop_canonicalize_loops.
2965         * graphite.c (free_aux_in_new_loops): ...here.
2966
2967 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2968
2969         * g++.dg/graphite/graphite.exp: Add the same rules as in
2970         gcc.dg/graphite/graphite.exp.
2971
2972 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2973
2974         * g++.dg/graphite/id-1.C: New.
2975
2976 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2977
2978         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
2979         argument base_name.
2980         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
2981         (rewrite_phi_out_of_ssa): Same.
2982         (rewrite_cross_bb_scalar_deps): Same.
2983         (translate_scalar_reduction_to_array): Same.
2984
2985 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2986
2987         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
2988         dump_alias_graphs.
2989
2990 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2991
2992         * graphite-sese-to-poly.c (dump_alias_graphs): New.
2993         (build_scop_drs): Call dump_alias_graphs.
2994
2995 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2996
2997         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
2998         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2999         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
3000         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
3001         * graphite-poly.h (free_lst): New.
3002         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
3003         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
3004
3005 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
3006
3007         * graphite-poly.h (struct scop): Add a field saved_schedule.
3008         (SCOP_SAVED_SCHEDULE): New.
3009         (store_lst_schedule): New.
3010         (restore_lst_schedule): New.
3011         (store_scattering): Call store_lst_schedule.
3012         (restore_scattering): Call restore_lst_schedule.
3013
3014 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
3015
3016         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
3017         (pdr_add_alias_set): Same.
3018         (build_poly_dr): Same.
3019         (build_alias_set_optimal_p): Same.
3020         (build_base_obj_set_for_drs): Same.  Do not store the result of
3021         graphds_dfs.
3022
3023 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
3024
3025         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
3026         all_components_are_cliques to 1.
3027
3028 2009-10-20  Li Feng  <nemokingdom@gmail.com>
3029
3030         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
3031         the new structure.
3032         (pdr_add_alias_set): Update retrieving alias_set_num.
3033         (build_poly_dr): Update retrieving dr_base_object_set.
3034         (partition_drs_to_sets): Remove.
3035         (build_alias_set_optimal_p): New.
3036         (build_alias_set_for_drs): Rename.
3037         (build_scop_drs): Update.
3038         * graphite-sese-to-poly.h (struct base_alias_pair): New.
3039         (ALIAS_SET_INDEX): Remove.
3040         (BASE_OBJECT_SET_INDEX): Remove.
3041
3042 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
3043
3044         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
3045
3046 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
3047
3048         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
3049         loop upper bounds for 1-element arrays at end of structures.
3050         * tree-flow.h (array_at_struct_end_p): Declared.
3051         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
3052
3053 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
3054
3055         * g++.dg/graphite/pr41305.C: New.
3056
3057 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
3058
3059         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
3060         construction of parameter constraints from loop iteration analysis.
3061         * gcc.dg/graphite/run-id-2.c: New test.
3062
3063 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3064
3065         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
3066         and new_cstr.
3067
3068 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3069
3070         * graphite-dependences.c (dependence_polyhedron_1): Remove
3071         unused gdim dimensions from the DDR polyhedron.
3072
3073 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3074
3075         * graphite-dependences.c (pddr_transformed_scattering): New.
3076         (dot_original_deps_stmt_1): New.
3077         (dot_transformed_deps_stmt_1): New.
3078         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
3079         dot_transformed_deps_stmt_1.
3080         (dot_original_deps): New.
3081         (dot_transformed_deps): New.
3082         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
3083
3084 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3085
3086         * graphite-dependences.c (reduction_dr_1): Remove wrong
3087         assert: reduction BBs can have multiple reduction writes
3088         to memory.  interchange-3.f90 is an example.
3089
3090 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3091
3092         * gfortran.dg/graphite/interchange-3.f90: New.
3093
3094 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3095
3096         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
3097
3098 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3099
3100         * graphite-dependences.c (dependence_polyhedron_1): Add the
3101         context to the dependence polyhedron.
3102
3103 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3104
3105         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
3106         PBB_PDR_DUPLICATES_REMOVED.
3107         (new_poly_bb): Same.
3108
3109 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3110
3111         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
3112         SCOP_CONTEXT.
3113         (build_loop_iteration_domains): Extract bounds on parameters
3114         based on the data size.
3115         (build_scop_context): Do not initialize SCOP_CONTEXT;
3116         add new constraints.
3117
3118 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3119
3120         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
3121         * graphite-ppl.h (graphite-ppl.h): Declared.
3122
3123 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3124
3125         * graphite-ppl.c (ppl_print_linear_expr): New.
3126         (debug_ppl_linear_expr): New.
3127         * graphite-ppl.h (ppl_print_linear_expr): Declared.
3128         (debug_ppl_linear_expr): Declared.
3129
3130 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
3131
3132         * graphite-interchange.c: Fix comments.
3133         * gcc.dg/graphite/block-1.c: Fix comments.
3134
3135 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
3136
3137         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
3138         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
3139
3140 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
3141
3142         Reapply the patch from Alexander Monakov that disappeared during
3143         the last merges from trunk.
3144
3145         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
3146
3147         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
3148         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
3149
3150 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3151
3152         * graphite-interchange.c (memory_stride_in_loop): The depth
3153         argument corresponds to a dynamic time dimension, so use
3154         psct_dynamic_dim to refer to the transformed scattering dimension.
3155
3156 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3157
3158         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
3159
3160 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3161
3162         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
3163         root of the LST.
3164         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
3165         the root of the LST.
3166         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
3167         fake loop.
3168         (print_lst): Print the root of LST in a different format.
3169         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
3170
3171 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3172
3173         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
3174
3175 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3176
3177         * doc/passes.texi: Document the Graphite infrastructure.
3178
3179 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3180
3181         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
3182         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
3183         and check the SSA representation.
3184
3185         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
3186
3187 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3188
3189         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
3190
3191 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3192
3193         * gcc.dg/graphite/interchange-11.c: New.
3194
3195 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3196
3197         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
3198
3199 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3200
3201         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
3202         Add -fno-loop-strip-mine and -fno-loop-interchange.
3203         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
3204         -fno-loop-strip-mine.
3205         * gfortran.dg/graphite/graphite.exp: Same.
3206
3207 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3208
3209         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
3210         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
3211         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
3212         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
3213         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
3214         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
3215         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
3216         DEFAULT_FLAGS_GRAPHITE_SCOP.
3217         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
3218         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
3219
3220 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3221
3222         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
3223
3224 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3225             Sebastian Pop  <sebastian.pop@amd.com>
3226
3227         * graphite-interchange.c (build_linearized_memory_access): Pass an
3228         offset as parameter.
3229         (memory_stride_in_loop): Include transform scattering in the
3230         access functions to be able to querry the strides in the
3231         transformed loops.
3232         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
3233         not the psct_iterator_dim.
3234
3235 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3236
3237         * graphite-blocking.c (pbb_do_strip_mine): Removed.
3238         (lst_do_strip_mine_loop): New.
3239         (lst_do_strip_mine): New.
3240         (scop_do_strip_mine): Call lst_do_strip_mine.
3241         * graphite-poly.h (lst_add_loop_under_loop): New.
3242         (lst_find_first_pbb): New.
3243
3244 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3245
3246         * graphite-poly.c (loop_to_lst): Fix LST creation.
3247
3248 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
3249
3250         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
3251         sizeof(unsigned long) to make it run on 32bit systems.
3252
3253 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
3254
3255         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
3256         SEGFAULT on 32bit.
3257
3258 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
3259
3260         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
3261         Comment.
3262         (write_alias_graph_to_ascii_dot): New.
3263         (write_alias_graph_to_ascii_ecc): Ditto.
3264         (partition_drs_to_sets): Add testing of optimality of current method
3265         which assigns alias numbers according to DFS Comopnent number.  used
3266         as heuristic for the upcoming ECC algorithm.
3267         (build_scop_drs): Write to file also with the ecc and dot format.
3268
3269 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
3270
3271         * gfortran.dg/graphite/interchange-1.f: XFail.
3272
3273 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
3274
3275         * graphite.c (graphite_initialize): Do not handle functions with
3276         more than 100 basic blocks.
3277
3278 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
3279
3280         * graphite-blocking.c (pbb_do_strip_mine): Use
3281         PARAM_LOOP_BLOCK_TILE_SIZE.
3282
3283 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
3284
3285         * graphite-poly.c (dot_lst_1): New.
3286         (dot_lst): New.
3287         * graphite-poly.h (dot_lst): Declared.
3288
3289 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
3290
3291         * graphite-dependences.c (dot_deps_stmt_1): New.
3292         (dot_deps_stmt): New.
3293         * graphite-dependences.h (dot_deps_stmt): Declared.
3294
3295 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
3296
3297         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
3298         not replace cross BB scalar dependences ending on PHI nodes.
3299         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
3300
3301 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
3302
3303         * graphite-poly.c (apply_poly_transforms): Implement the high
3304         level driver for flag_loop_block.
3305         * opts.c (decode_options): Enable flag_loop_block at -O2.
3306         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
3307         flag_loop_block.
3308
3309         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
3310         -floop-block.
3311         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
3312         Add -floop-block.
3313
3314 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
3315
3316         * graphite-poly.h (lst_find_pbb): New.
3317         (find_lst_loop): New.
3318
3319 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
3320
3321         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
3322         * graphite-poly.h (struct scop): Remove dep_graph field.
3323         (SCOP_DEP_GRAPH): Removed.
3324
3325 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
3326
3327         * graphite-poly.h (copy_lst): Do full copy of LST.
3328
3329 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
3330
3331         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
3332         when the loop stride is zero.
3333
3334         * gcc.dg/graphite/id-16.c: New.
3335
3336 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
3337
3338         * graphite-dependences.c (reduction_dr_1): New.
3339         (reduction_dr_p): New.
3340         (graphite_legal_transform_dr): Call reduction_dr_p.
3341         (reduction_ddr): Renamed reduction_ddr_p.
3342         * graphite-poly.h (same_pdr_p): New.
3343         (number_of_write_pdrs): New.
3344         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
3345         (split_reduction_stmt): Do not split reduction statements
3346         when there are no writes to memory.
3347         (translate_scalar_reduction_to_array_for_stmt): Insert the
3348         memory reduction statement just after the scalar reduction statement.
3349
3350         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
3351         Un-XFAIL-ed.
3352         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
3353         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
3354
3355 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
3356
3357         * graphite-interchange.c (lst_apply_interchange): New.
3358         (lst_interchange_profitable_p): New.
3359         (lst_try_interchange_loops): New.
3360         (lst_try_interchange): New.
3361         (lst_do_interchange): New.
3362         (pbb_do_interchange): Removed.
3363         (scop_do_interchange): Call lst_do_interchange.
3364
3365 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
3366
3367         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
3368         SCOP_TRANSFORMED_SCHEDULE.
3369         (loop_to_lst): New.
3370         (scop_to_lst): New.
3371         (print_lst): New.
3372         (debug_lst): New.
3373         * graphite-poly.h (lst_p): New.
3374         (struct lst): New.
3375         (LST_LOOP_P): New.
3376         (LST_LOOP_FATHER): New.
3377         (LST_PBB): New.
3378         (LST_SEQ): New.
3379         (scop_to_lst): Declared.
3380         (print_lst): Declared.
3381         (debug_lst): Declared.
3382         (new_lst_loop): New.
3383         (new_lst_stmt): New.
3384         (copy_lst): New.
3385         (lst_depth): New.
3386         (lst_dewey_number): New.
3387         (struct scop): Add original_schedule and transformed_schedule fields.
3388         (SCOP_ORIGINAL_SCHEDULE): New.
3389         (SCOP_TRANSFORMED_SCHEDULE): New.
3390         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
3391
3392 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3393
3394         * graphite-dependences.c (reduction_ddr): New.
3395         (graphite_legal_transform_bb): Call reduction_ddr.
3396         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
3397         Initialize PBB_IS_REDUCTION.
3398         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
3399         (PBB_IS_REDUCTION): New.
3400         (new_poly_bb): Update declaration.
3401         * graphite-scop-detection.h (build_scop_bbs): Removed.
3402         (nb_reductions_in_loop): Removed.
3403         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
3404         parameter for reductions.
3405         (try_generate_gimple_bb): Update call to new_poly_bb.
3406         (build_scop_bbs_1): Same.
3407         (build_scop_bbs): Same.
3408         (gsi_for_phi_node): New.
3409         (scalar_close_phi_node_p): Remove gcc_assert.
3410         (split_reduction_stmt): New.
3411         (is_reduction_operation_p): New.
3412         (phi_contains_arg): New.
3413         (follow_ssa_with_commutative_ops): New.
3414         (detect_commutative_reduction_arg): New.
3415         (detect_commutative_reduction_assign): New.
3416         (follow_inital_value_to_phi): New.
3417         (edge_initial_value_for_loop_phi): New.
3418         (initial_value_for_loop_phi): New.
3419         (detect_commutative_reduction): New.
3420         (translate_scalar_reduction_to_array_for_stmt): New.
3421         (insert_copyout): New.
3422         (insert_copyin): New.
3423         (translate_scalar_reduction_to_array): New.
3424         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
3425         (rewrite_commutative_reductions_out_of_ssa_loop): New.
3426         (rewrite_commutative_reductions_out_of_ssa): New.
3427         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
3428         * sese.h (split_region_for_bb): New.
3429
3430         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
3431         * gcc.dg/graphite/interchange-1.c: Fix format.
3432         * gcc.dg/graphite/interchange-10.c: New.
3433
3434 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3435
3436         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
3437         buggy assert.
3438
3439 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3440
3441         * graphite-sese-to-poly.c (scev_analyzable_p): New.
3442         (rewrite_cross_bb_scalar_dependence): New.
3443         (rewrite_cross_bb_scalar_deps): New.
3444         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
3445         Call rewrite_cross_bb_scalar_deps.
3446
3447 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3448
3449         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
3450         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
3451         gsi_for_stmt.
3452
3453 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3454
3455         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
3456         * graphite-interchange.c (pbb_do_interchange): Same.
3457         * graphite-poly.c (print_scattering_function): Same.
3458         (debug_pdrs): Same.
3459         * graphite-poly.h (pbb_loop): New.
3460         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
3461
3462 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
3463
3464         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
3465
3466 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
3467
3468         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
3469         so don't pass a pointer to it.
3470         (build_alias_set_for_drs): Same.
3471         (build_base_obj_set_for_drs): Same.
3472         (build_scop_drs): Same.
3473
3474 2009-09-26  Li Feng  <nemokingdom@gmail.com>
3475
3476         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
3477         the alias graph of data references.
3478
3479 2009-09-25  Li Feng  <nemokingdom@gmail.com>
3480
3481         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
3482         (build_scop_drs): When debugging, write the alias graph to file,
3483         otherwise, should be disabled.
3484
3485 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3486
3487         * Merge from mainline (151310:151361).
3488
3489 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3490
3491         * Merge from mainline (151171:151310).
3492
3493 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3494
3495         * Merge from mainline (151171:151806).
3496
3497 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3498
3499         * Revert the last commit.
3500
3501 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3502
3503         * Merge from mainline (151171:151819).
3504
3505 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3506
3507         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
3508         (is_simple_operand): Remove call to stmt_simple_memref_p.
3509         (stmt_simple_for_scop_p): Update call to is_simple_operand.
3510
3511 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
3512
3513         * gcc.dg/graphite/interchange-mvt.c: New File.
3514         * gcc.dg/graphite/scop-dsyrk.c: New File.
3515         * gcc.dg/graphite/scop-dsyr2k.c: New File.
3516         * gcc.dg/graphite/scop-mvt.c: New File.
3517         * gcc.dg/graphite/scop-sor.c: New File.
3518
3519 2009-09-17 Li Feng  <nemokingdom@gmail.com>
3520
3521         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
3522         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
3523         (graphite_carried_dependence_level_k): Ditto.
3524         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
3525         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
3526         (new_poly_dr): Adjust declaration.
3527         * graphite-sese-to-poly.c (free_data_refs_aux): New.
3528         (free_gimple_bb): Added free_data_refs_aux.
3529         (build_poly_dr): Add dr_base_object_set.
3530         (partition_drs_to_sets): New.
3531         (dr_same_base_object_p): New.
3532         (build_alias_set_for_drs): New.
3533         (build_base_object_set_for_drs): New.
3534         (build_scop_drs): Add build_base_obj_set_for_drs.
3535         * graphite-sese-to-poly.h: Added #define for alias set number index and
3536         base object set index.
3537         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
3538         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
3539
3540 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
3541
3542         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
3543         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
3544
3545 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3546
3547         * graphite-sese-to-poly.c (struct irp_data): Removed.
3548         (idx_record_params): Removed.
3549         (find_params_in_bb): Scan for parameters the access functions; don't
3550         parse the tree representation.
3551
3552 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3553
3554         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
3555         passes at -O1 and below.
3556
3557 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3558
3559         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
3560         tree-scalar-evolution.h, and then tree-data-ref.h.
3561         * graphite-clast-to-gimple.c: Same.
3562         * graphite-dependences.c: Same.
3563         * graphite-interchange.c: Same.
3564         * graphite-poly.c: Same.
3565         * graphite-scop-detection.c: Same.
3566         * graphite-sese-to-poly.c: Same.
3567         * graphite.c: Same.
3568         * lambda-code.c: Same.
3569         * matrix-reorg.c: Same.
3570         * tree-data-ref.c: Same.
3571         * tree-if-conv.c: Same.
3572         * tree-loop-distribu: Same.: Same.
3573         * tree-loop-linear.c: Same.
3574         * tree-parloops.c: Same.
3575         * tree-predcom.c: Same.
3576         * tree-vect-patterns.c: Same.
3577
3578 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
3579
3580         Partially revert the previous patch, except the following.
3581         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
3582         as parameters the operands of the not expression.
3583
3584 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3585
3586         * tree-scalar-evolution.c (instantiate_scev_assign): New.
3587         Do not call analyze_scalar_evolution on assignments.
3588         (instantiate_scev_phi): Call analyze_scalar_evolution.
3589         (instantiate_scev_name): Call instantiate_scev_assign and
3590         instantiate_scev_phi.
3591         (instantiate_scev_not): Adapted to pass as parameters the operands
3592         of the not expression.
3593
3594 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3595
3596         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
3597         to pass as parameters the operands of the binary expression.
3598
3599 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3600
3601         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
3602         instantiate_scev_not.  Handle NEGATE_EXPR.
3603         (instantiate_scev_r): Handle NEGATE_EXPR.
3604
3605 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3606
3607         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
3608         instantiate_scev_r.
3609         (instantiate_scev_r): Move code in instantiate_scev_2
3610         and instantiate_scev_1.
3611
3612 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3613
3614         * tree-scalar-evolution.c (instantiate_scev_3): New.
3615         (instantiate_scev_1): Move code in instantiate_scev_3.
3616
3617 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3618
3619         * tree-scalar-evolution.c (instantiate_scev_poly): New.
3620         (instantiate_scev_1): Move code in instantiate_scev_poly.
3621
3622 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3623
3624         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
3625         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
3626
3627 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3628
3629         * tree-scalar-evolution.c (instantiate_scev_convert): New.
3630         (instantiate_scev_1): Move code in instantiate_scev_convert.
3631
3632 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3633
3634         * tree-scalar-evolution.c (instantiate_scev_binary): New.
3635         (instantiate_scev_1): Move code in instantiate_scev_binary.
3636
3637 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3638
3639         * tree-scalar-evolution.c (instantiate_scev_name): New.
3640         (instantiate_scev_1): Move code in instantiate_scev_name.
3641
3642 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
3643
3644         * Merge from mainline (150992:151171).
3645
3646 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3647
3648         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
3649
3650 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3651
3652         * graphite-dependences.c (graphite_legal_transform_bb): Call
3653         pbb_remove_duplicate_pdrs.
3654         * graphite-poly.c (can_collapse_pdr): Removed.
3655         (pdr_find_duplicate): Removed.
3656         (can_collapse_pdrs): New.
3657         (pbb_remove_duplicate_pdrs): New.
3658         (new_poly_dr): Do not look for duplicates.
3659         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
3660         (PBB_PDR_DUPLICATES_REMOVED): New.
3661         (pbb_remove_duplicate_pdrs): Declared.
3662
3663 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3664
3665         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
3666         the strides by multiplying by PDR_NB_REFS.
3667         * graphite-poly.c (can_collapse_pdr): New.
3668         (pdr_find_duplicate): New.
3669         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
3670         Initialize PDR_NB_REFS.
3671         * graphite-poly.h (struct poly_dr): Add field nb_refs.
3672         (PDR_NB_REFS): New.
3673         (new_poly_dr): Number of subscripts is a graphite_dim_t.
3674
3675 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3676
3677         Revert one of the previous commits:
3678         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
3679         the computation of symmetric data dependence relations.
3680         (dependency_between_pbbs_p): Same.
3681
3682 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3683
3684         PR middle-end/40965
3685         * graphite-poly.c (apply_poly_transforms): Remove legality test before
3686         any transform.
3687
3688 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3689
3690         * graphite-dependences.c (pddr_original_scattering): Return NULL
3691         for read-read dependence relations.
3692         * graphite-poly.h (enum poly_dr_type): Fix comment.
3693         (pdr_read_p): New.
3694         (pdr_write_p): New.
3695         (pdr_may_write_p): New.
3696
3697 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3698
3699         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
3700         (struct poly_dr): Same.
3701         (new_poly_dr): Same.
3702         * graphite-poly.c (new_poly_dr): Same.
3703
3704 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3705             Sebastian Pop  <sebastian.pop@amd.com>
3706
3707         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
3708         pbb_strip_mine_time_depth.  Changed the implementation so that
3709         transformation is expressed as a transformation on
3710         time (scatttering) dimensions.  Also, ensures that the 2d+1
3711         scheduling format is preserved.
3712         (pbb_strip_mine_profitable_p): Profitability is based on the
3713         iteration number of a given time (scattering) dimension,
3714         and not on a original loop depth dimension.
3715         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
3716         (pbb_do_strip_mine): Call psct_dynamic_dim.
3717         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
3718         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
3719         (pbb_nb_dynamic_scattering_transform): New.
3720         (psct_dynamic_dim): New.
3721
3722 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3723
3724         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3725         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3726         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
3727         * graphite-interchange.c (build_linearized_memory_access): Same.
3728         (memory_stride_in_loop): Same.
3729
3730 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3731
3732         * graphite-dependences.c (pddr_original_scattering): New.
3733         (graphite_legal_transform_dr): Call pddr_original_scattering.
3734         (dot_deps_1): New.
3735         (dot_deps): New.
3736         * graphite-dependences.h (dot_deps): Declared.
3737         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
3738         (print_pdr): Print PDR_ID.
3739         * graphite-poly.h (struct poly_dr): Add field id.
3740         (PDR_ID): New.
3741         (pbb_index): New.
3742         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
3743
3744 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
3745
3746         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
3747         not delete the original dependence relation.
3748
3749 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3750
3751         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
3752         the computation of symmetric data dependence relations.
3753         (dependency_between_pbbs_p): Same.
3754
3755 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3756
3757         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
3758         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
3759         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
3760         (free_poly_ddr): New.
3761         (pddr_is_empty): New.
3762         (dependence_polyhedron_1): Now returns a poly_ddr_p.
3763         (dependence_polyhedron): Same.  Remove useless gcc_assert.
3764         Remove fprintfs.
3765         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
3766         (graphite_carried_dependence_level_k): Call pddr_is_empty.
3767         * graphite-dependences.h (enum poly_dependence_kind): New.
3768         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
3769         (PDRP_SOURCE): Renamed PDDR_SOURCE.
3770         (PDRP_SINK): Renamed PDDR_SINK.
3771         (PDRP_DDP): Renamed PDDR_DDP.
3772         (PDDR_KIND): New.
3773         (free_poly_ddr): Declared.
3774         * graphite-poly.c (new_scop): Use the new hash function names.
3775         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
3776         into original_pddrs.
3777         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
3778
3779 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3780
3781         * Merge from mainline (150764:150992).
3782
3783 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3784
3785         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
3786         bounds with LT_EXPR to make niter analysis more precise on code
3787         generated by Graphite.
3788
3789 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3790
3791         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
3792         (graphite_legal_transform_bb): Same.
3793         (poly_drs_may_alias_p): Same.
3794
3795 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
3796
3797         PR middle-end/40981
3798         * graphite-ppl.c (ppl_max_for_le): Correct the use of
3799         ppl_Pointset_Powerset_C_Polyhedron_maximize.
3800
3801 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3802
3803         * graphite-poly.c (print_pbb): Print PBB index.
3804
3805 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3806
3807         * Merge from mainline (r150672:150764).
3808
3809 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3810
3811         * graphite-interchange.c (ppl_max_for_le): Moved...
3812         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
3813         * graphite-ppl.c (ppl_max_for_le): ... here.
3814         * graphite-ppl.h (ppl_max_for_le): Declared.
3815
3816 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
3817
3818         * Merge from mainline (r150372:150672).
3819
3820 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3821
3822         PR middle-end/40980
3823         * sese.c (convert_for_phi_arg): New.
3824         (add_guard_exit_phis): Use convert_for_phi_arg.
3825
3826         * gfortran.dg/graphite/id-17.f: New.
3827
3828 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3829
3830         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
3831         unknown subscript upper bounds.
3832
3833         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
3834
3835 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3836             Pranav Garg  <pranav.garg2107@gmail.com>
3837
3838         * graphite-interchange.c (gather_access_strides): Removed.
3839         (ppl_max_for_le): New.
3840         (build_linearized_memory_access): New.
3841         (memory_stride_in_loop): New.
3842         (pbb_interchange_profitable_p): Reimplemented.
3843         * graphite-ppl.h (ppl_new_id_map): New.
3844         (ppl_interchange): New.
3845
3846         * gcc.dg/graphite/interchange-6.c: XFAILed.
3847
3848 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3849
3850         * graphite-interchange.c (compute_subscript): Removed.
3851         (compute_array_size_cstr): Removed.
3852         (compute_array_size_poly): Removed.
3853         (compute_array_size): Removed.
3854         (gather_access_strides_poly): Removed.
3855         (gather_access_strides): Empty.
3856
3857 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3858
3859         * graphite-dependences.c (dependence_polyhedron_1): Replace
3860         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
3861         (graphite_legal_transform_dr): Same.
3862         (graphite_carried_dependence_level_k): Same.
3863         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
3864         Initialize PDR_NB_SUBSCRIPTS.
3865         (print_pdr_access_layout): Replace pdr_nb_subscripts with
3866         PDR_NB_SUBSCRIPTS.
3867         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
3868         (PDR_NB_SUBSCRIPTS): New.
3869         (pdr_nb_subscripts): Removed.
3870         (pdr_dim): Simplified.
3871         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
3872         with PDR_NB_SUBSCRIPTS.
3873
3874 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3875
3876         * graphite-interchange.c (compute_array_size): Remove use of
3877         PDR_DATA_CONTAINER.
3878         * graphite-poly.c (new_poly_dr): Remove argument data_container.
3879         Do not initialize PDR_DATA_CONTAINER.
3880         (print_pdr): Do not print PDR_DATA_CONTAINER.
3881         * graphite-poly.h (struct poly_dr): Remove data_container field.
3882         (PDR_DATA_CONTAINER): Removed.
3883         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
3884         PDR_DATA_CONTAINER.
3885         (build_poly_dr): Same.
3886
3887 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3888
3889         * gcc.dg/graphite/interchange-9.c: New.
3890
3891 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3892             Sebastian Pop  <sebastian.pop@amd.com>
3893
3894         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
3895         copy of the dependence polyhedron.  Free the temporary objects.
3896         (graphite_carried_dependence_level_k): Free unused objects before
3897         returning.
3898
3899         * gcc.dg/graphite/interchange-1.c: XFAILed.
3900         * gcc.dg/graphite/interchange-2.c: XFAILed.
3901         * gcc.dg/graphite/interchange-3.c: XFAILed.
3902         * gcc.dg/graphite/interchange-4.c: XFAILed.
3903         * gcc.dg/graphite/interchange-7.c: XFAILed.
3904
3905 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3906
3907         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
3908         Early return without analyzing the data dependences if no
3909         transform has been done.  Call restore_scattering if the transform
3910         is not legal.
3911         (graphite-interchange.c): Same.
3912         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
3913         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
3914         (apply_poly_transforms): Do not gcc_assert that
3915         the transform is legal.
3916         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3917         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
3918         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
3919         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3920         * graphite-poly.h (struct poly_scattering): New.
3921         (struct poly_bb): Add original, transformed, and saved fields.
3922         Remove transformed_scattering, original_scattering, nb_local_variables,
3923         and nb_scattering_transform fields.
3924         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
3925         (poly_scattering_new): New.
3926         (poly_scattering_free): New.
3927         (poly_scattering_copy): New.
3928         (store_scattering_pbb): New.
3929         (store_scattering): New.
3930         (restore_scattering_pbb): New.
3931         (restore_scattering): New.
3932         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
3933         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
3934
3935 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3936
3937         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
3938         (print_scop): Same.
3939
3940 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3941
3942         * Makefile.in (graphite.o): Depends on PREDICT_H.
3943         * graphite.c: Include predict.h.
3944         (graphite_finalize): Call tree_estimate_probability.
3945         * predict.c (predict_loops): Do not call scev_initialize and
3946         scev_finalize.
3947         (tree_estimate_probability_bb): New.
3948         (tree_estimate_probability): Do not initialize loops: move that
3949         code to the driver.  Call tree_estimate_probability_bb.
3950         (tree_estimate_probability_driver): New.
3951         (pass_profile): Use tree_estimate_probability_driver.
3952         * predict.h (tree_estimate_probability): Declared.
3953
3954 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3955
3956         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
3957         * graphite-dependences.c (graphite_legal_transform): Add time to
3958         TV_GRAPHITE_DATA_DEPS.
3959         (dependency_between_pbbs_p): Same.
3960         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
3961
3962 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
3963
3964         * Merge from mainline (r149952:150372).
3965
3966 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3967
3968         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
3969         * graphite-blocking.c: Same.
3970         * graphite-clast-to-gimple.c: Same.
3971         * graphite-dependences.c: Same.
3972         * graphite-poly.c: Same.
3973         * graphite-poly.h: Same.
3974         * graphite-ppl.c: Same.
3975         * graphite-scop-detection.c: Same.
3976         * graphite-sese-to-poly.c: Same.
3977         * graphite.c: Same.
3978
3979 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3980
3981         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
3982         (remove_simple_copy_phi): New.
3983         (remove_invariant_phi): New.
3984         (simple_copy_phi_p): New.
3985         (reduction_phi_p): New.
3986         (gsi_for_ssa_name_def): New.
3987         (insert_out_of_ssa_copy): New.
3988         (insert_out_of_ssa_copy_on_edge): New.
3989         (create_zero_dim_array): New.
3990         (scalar_close_phi_node_p): New.
3991         (rewrite_close_phi_out_of_ssa): New.
3992         (rewrite_phi_out_of_ssa): New.
3993         (rewrite_reductions_out_of_ssa): New.
3994         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
3995
3996         * gcc.dg/graphite/id-11.c: New.
3997         * gcc.dg/graphite/id-15.c: New.
3998         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
3999         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
4000         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
4001         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
4002         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
4003         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
4004         * gfortran.dg/graphite/id-13.f: New.
4005         * gfortran.dg/graphite/id-5.f: New.
4006
4007 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
4008
4009         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
4010         check that nb_reductions_in_loop is zero.
4011         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
4012         reduction phi nodes.
4013         (nb_reductions_in_loop): Removed.
4014         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
4015         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
4016         (bb_contains_non_iv_scalar_phi_nodes): Removed.
4017         (scop_contains_non_iv_scalar_phi_nodes): Removed.
4018         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
4019
4020 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
4021
4022         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
4023         statements that have an empty iteration domain.
4024         * gfortran.dg/graphite/id-16.f: New.
4025
4026 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
4027
4028         * tree-scalar-evolution.c (instantiate_scev_1): Return
4029         chrec_dont_know when the result is not above instantiate_below.
4030         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
4031         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
4032         the tree has a known scalar evolution.
4033         * gfortran.dg/graphite/id-14.f: New.
4034         * gfortran.dg/graphite/id-15.f: New.
4035
4036 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
4037
4038         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
4039         insert_gsi.
4040         (rename_variables): Keep inserting renames after the ones already
4041         inserted.
4042
4043 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
4044
4045         * graphite-sese-to-poly.c (compare_bb_depths): New.
4046         (graphite_sort_dominated_info): New.
4047         (build_scop_bbs_1): Call graphite_sort_dominated_info.
4048         (build_scop_scattering): Fix comment.
4049
4050 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
4051
4052         * graphite.c (graphite_finalize): Call print_loops instead of
4053         dump_function_to_file.
4054         * gcc.dg/graphite/graphite.exp: Fix formatting.
4055         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
4056         loops generated in the graphite output file.
4057         * gcc.dg/graphite/pr35356-2.c: New.
4058         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
4059         * gfortran.dg/graphite/id-12.f: New.
4060
4061 2009-07-24  Li Feng  <nemokingdom@gmail.com>
4062
4063         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
4064         Remove 2 XFAIL.
4065
4066 2009-07-24  Li Feng  <nemokingdom@gmail.com>
4067             Tobias Grosser  <grosser@fim.uni-passau.de>
4068
4069         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
4070         alias set number build alias in ACCESSES polyhedron.
4071         (build_alias_set_for_drs): New.
4072         (build_pbb_drs): Added build_alias_set_for_drs.
4073         * graphite-dependences.c (poly_drs_may_alias_p): New.
4074         (graphite_carried_dependence_level_k): Check alias information
4075         before building polyhedron.
4076
4077 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4078
4079         * Makefile.in (lambda-code.o): Fix formatting.
4080
4081 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4082
4083         * Merge from mainline (r149350-149952)
4084
4085 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4086
4087         * graphite-poly.c (apply_poly_transforms): Move strip_mine
4088         before interchange to prepare for loop blocking.
4089
4090 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4091
4092         * graphite-poly.c (apply_poly_transforms): Add checks after every
4093         transformation.
4094         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
4095         done in apply_poly_transforms.
4096
4097 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
4098
4099         * graphite-dependences.c (build_lexicographically_gt_constraint):
4100         Replace RES parameter with *RES.
4101         (dependence_polyhedron_1): Pass an address of the parameter RES
4102         instead of value of RES.
4103
4104 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4105
4106         * graphite.c (graphite_finalize): Fix comment.
4107         (graphite_transform_loops): Reset scev info after code generation
4108         of each scop.
4109
4110 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4111
4112         * graphite.c (graphite_finalize): Call scev_reset.
4113
4114 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4115
4116         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
4117         GBB_CLOOG_IV_TYPES hash table twice.
4118         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
4119         (add_condition_to_domain): Clear GMP values.
4120
4121 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4122
4123         * graphite-dependences.c: Fix formatting.
4124         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
4125         (pbb_number_of_iterations): Free ppl_Linear_Expression.
4126         * graphite-sese-to-poly.c: Fix formatting.
4127         * graphite.c (graphite_transform_loops): Create the hash table
4128         after the early return.
4129
4130 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4131
4132         * gcc.dg/graphite/id-14.c: New.
4133         * gcc.dg/graphite/pr40157.c: New.
4134         * gfortran.dg/graphite/id-11.f: New.
4135
4136 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4137
4138         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
4139         (build_poly_scop): Return false when there are no pbbs within
4140         loops to avoid to pass to cloog scops with no loops.
4141
4142 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4143
4144         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
4145         useless test "i % 2".
4146         (build_pbb_scattering_polyhedrons): Fix formatting.
4147         (build_poly_dr): Same.
4148         * graphite.c (graphite_transform_loops): Restructure.
4149
4150 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
4151
4152         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
4153         reduction_list parameter.
4154         (rewrite_all_phi_nodes_with_iv): Same.
4155         (canonicalize_loop_ivs): Same.
4156         * tree-parloops.c (struct brli): Removed.
4157         (build_reduction_list_info): Removed.
4158         (build_new_reduction): New.
4159         (analyze_reduction_list): Removed.
4160         (gather_scalar_reductions): Find reductions instead of phi
4161         nodes that can't be canonicalized.
4162         (try_create_reduction_list): Remove reduction_list parameter.
4163         (gen_parallel_loop): Same.
4164         (parallelize_loops): Remove analyze_reductions variable,
4165         initialization and free.
4166         Change reduction_list htab initialization to reduction_info
4167         elements instead of ssa names.
4168         Call try_create_reduction_list and gen_parallel_loop without
4169         analyzed_reduction argument.
4170         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
4171         canonicalize_loop_ivs with one less argument.
4172         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
4173
4174 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
4175
4176         * graphite-dependences.c (new_poly_dr_pair): New.
4177         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
4178         (new_poly_dr_pair): New.
4179         (eq_poly_dr_pair_p): New.
4180         (hash_poly_dr_pair_p): New.
4181         * graphite-dependences.h (struct poly_dr_pair): New.
4182         (eq_poly_dr_pair_p): Declared.
4183         (hash_poly_dr_pair_p): Declared.
4184         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
4185         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
4186         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
4187         * Makefile.in (graphite-poly.o): Add dependence on
4188         graphite-dependences.h.
4189
4190 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
4191
4192         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
4193         polynomials of degree > 1 pass to Graphite.
4194         * tree-chrec.c (scev_is_linear_expression): Call
4195         evolution_function_is_affine_multivariate_p.
4196         * gfortran.dg/graphite/id-10.f90: New.
4197
4198 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
4199
4200         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
4201         Instantiate scevs varying in outer loops.
4202         * gfortran.dg/graphite/id-9.f: Correct testcase.
4203
4204 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
4205
4206         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
4207         redundant constraint.
4208
4209 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
4210
4211         * gcc.dg/graphite/graphite.exp: Fix comments.
4212         * gfortran.dg/graphite/graphite.exp: Trigger actions
4213         based on the file names as in the C testsuite.
4214         * gfortran.dg/graphite/block-1.f90: Fix patterns.
4215         * gfortran.dg/graphite/block-2.f: Same.
4216         * gfortran.dg/graphite/block-3.f90: Same.
4217         * gfortran.dg/graphite/block-4.f90: Same.
4218         * gfortran.dg/graphite/id-1.f90: Same.
4219         * gfortran.dg/graphite/id-2.f90: Same.
4220         * gfortran.dg/graphite/id-3.f90: Same.
4221         * gfortran.dg/graphite/id-4.f90: Same.
4222         * gfortran.dg/graphite/id-6.f: Same.
4223         * gfortran.dg/graphite/id-9.f: Same.
4224         * gfortran.dg/graphite/interchange-1.f: Same.
4225         * gfortran.dg/graphite/interchange-2.f: Same.
4226         * gfortran.dg/graphite/scop-1.f: Same.
4227
4228 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
4229
4230         * sese.c (expand_scalar_variables_call): New.
4231         (expand_scalar_variables_ssa_name): Handle calls in expander.
4232
4233 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
4234
4235         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
4236         Expect to see the pattern twice.
4237         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
4238         * gcc.dg/graphite/interchange-5.c: Same.
4239         * gcc.dg/graphite/interchange-6.c: Same.
4240
4241 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
4242
4243         * gcc.dg/graphite/id-10.c: New.
4244         * gcc.dg/graphite/id-12.c: New.
4245         * gfortran.dg/graphite/id-7.f: New.
4246         * gfortran.dg/graphite/id-8.f: New.
4247
4248 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
4249
4250         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
4251         zero.
4252
4253 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
4254
4255         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
4256
4257 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
4258
4259         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
4260
4261 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
4262
4263         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
4264         building PDR subscripts.
4265
4266 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
4267
4268         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
4269         computation of array sizes.
4270
4271 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
4272
4273         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
4274
4275 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4276
4277         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
4278         build_pairwise_constraint, dr_equality_constraints,
4279         build_pairwise_scheduling_equality,
4280         build_pairwise_scheduling_inequality, lexicographically_gt_p,
4281         build_lexicographically_gt_constraint, dependence_polyhedron,
4282         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
4283         Move from NNC_Polyhedron to C_Polyhedron.
4284         * graphite-interchange.c (compute_array_size_poly,
4285         gather_access_strides): Dito.
4286         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
4287         free_scop, pbb_number_of_iterations): Dito.
4288         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
4289         pbb_dim_iter_domain, struct scop): Dito.
4290         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
4291         new_Cloog_Domain_from_ppl_Polyhedron,
4292         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
4293         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
4294         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
4295         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
4296         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
4297         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
4298         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
4299         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
4300         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
4301         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
4302         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
4303         build_scop_iteration_domain, build_poly_dr): Dito
4304
4305 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4306
4307         * gcc.dg/graphite/graphite.exp: Added a rule to execute
4308         run-id-*.c files.
4309         * gcc.dg/graphite/run-id-1.c: New.
4310
4311 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4312
4313         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
4314         positivity constraint on the symbolic number of iterations.
4315
4316 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4317
4318         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
4319
4320 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4321             Tobias Grosser  <grosser@fim.uni-passau.de>
4322
4323         * graphite-clast-to-gimple.c (build_scop_context): Removed.
4324         (build_cloog_prog): Directly use SCOP_CONTEXT.
4325         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
4326         (free_scop): Free SCOP_CONTEXT.
4327         (print_scop_context): New.
4328         (print_scop): Call print_scop_context.
4329         (debug_scop_context): New.
4330         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
4331         (struct scop): Added field context.
4332         (SCOP_CONTEXT): New.
4333         * graphite-sese-to-poly.c (add_param_constraints): New.
4334         (build_scop_context): New.
4335         (build_poly_scop): Call build_scop_context.
4336
4337 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4338
4339         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
4340         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
4341         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
4342         * graphite-ppl.h: Include double-int.h and tree.h.
4343         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
4344         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
4345         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
4346         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
4347
4348 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4349
4350         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
4351         POINTER_PLUS_EXPR for pointer types.
4352         (clast_to_gcc_expression): Same.
4353
4354 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4355
4356         * graphite-poly.c (print_scattering_function): Early return when
4357         PBB_TRANSFORMED_SCATTERING is not initialized.
4358         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
4359
4360 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
4361
4362         * tree-parloops.c (analyze_reduction_list): Remove unused variable
4363         to fix bootstrap.
4364
4365 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
4366
4367         * tree-parloops.c (analyze_reduction_list): Change return
4368         value to void.
4369         (try_create_reduction_list): Move the call to
4370         analyze_reduction_list to the beginining.
4371         Call reduction_phi with analyzed_reductions as argument
4372         instead of reduction_list.
4373
4374 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4375
4376         *  Merge from mainline (r148296:149346)
4377
4378 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4379
4380         * graphite-scop-detection.c (graphite_can_represent_init): New.
4381         (graphite_can_represent_scev): Call graphite_can_represent_init:
4382         check that the initial value does not contain multiplications of
4383         parameters.
4384         (stmt_has_simple_data_refs_p): New.
4385         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
4386         (is_simple_operand): Fix formatting.
4387         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
4388
4389 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4390
4391         * gcc.dg/graphite/id-13.c: New.
4392         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
4393         analyze_scalar_evolution, use scalar_evolution_in_region.
4394         (scan_tree_for_params_right_scev): Add extra assert.
4395         (parameter_index_in_region_1): Split from parameter_index_in_region.
4396         (idx_record_params): Use scalar_evolution_in_region.
4397         (find_params_in_bb): Same.
4398         (find_scop_parameters): Same.
4399         (build_loop_iteration_domains): Same.
4400         (create_linear_expr_from_tree): Same.
4401         * sese.c (scalar_evolution_in_region): New.
4402         * sese.h (scalar_evolution_in_region): Declared.
4403         (defined_in_sese_p): New.
4404         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
4405         static anymore.
4406         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
4407         Declared.
4408
4409 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4410
4411         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
4412         TREE_DATA_REF_H also implies SCEV_H.
4413
4414 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4415
4416         * graphite-poly.c (print_scop_params): New.
4417         (print_scop): Call print_scop_params.
4418         (debug_scop_params): New.
4419         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
4420
4421 2009-07-07  Li Feng  <nemokingdom@gmail.com>
4422
4423         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
4424         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
4425         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
4426         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
4427         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
4428         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
4429
4430 2009-07-07  Li Feng  <nemokingdom@gmail.com>
4431
4432         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
4433         for dependency checking part.
4434         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
4435         tests for dependency checking.
4436         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
4437         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
4438         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
4439         flag -fdump-tree-graphite-all for autopar testsuites.
4440
4441 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
4442
4443         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
4444         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
4445         canonicalize_loop_ivs): Moved...
4446         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
4447
4448 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
4449
4450         * tree-parloops.c (try_create_reduction_list): Pass an extra
4451         argument analyzed_reductions.  Call analyze_reduction_list.
4452         (gen_parallel_loop): Do not call analyze_reduction_list.
4453         (parallelize_loops): Init and finalize analyzed_reductions.
4454
4455 2009-07-06  Li Feng  <nemokingdom@gmail.com>
4456
4457         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
4458         Added flag -fno-loop-strip-mine for autopar testcase.
4459
4460 2009-07-04  Li Feng  <nemokingdom@gmail.com>
4461
4462         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
4463         transformed scattering dimension instead of unmatch orignal when
4464         calling dependence_polyhedron.
4465
4466 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
4467
4468         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
4469
4470 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
4471
4472         * graphite-poly.c (pbb_number_of_iterations): Check for returned
4473         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
4474
4475 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
4476
4477         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
4478         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
4479         * graphite-poly.c (pbb_number_of_iterations): New.
4480         * graphite-poly.h (pbb_number_of_iterations): Declared.
4481         (pbb_iterator_dim, pbb_parameter_dim): New.
4482
4483 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
4484
4485         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
4486         last commit on type of lower and upper bound of loops.
4487
4488 2009-06-29  Li Feng  <nemokingdom@gmail.com>
4489
4490         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
4491         graphite-dependences.h.
4492         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
4493         (mark_bb_with_pbb): New.
4494         (get_stmtfor_depth): New.
4495         (find_pbb_via_hash): New.
4496         (dependency_in_loop_p): New.
4497         (mark_loops_parallel): New.
4498         (free_aux_in_new_loops): New.
4499         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
4500         bb with it's relevant pbb. Mark newly created loops.  Remove mark
4501         innermost loop parallel without checking.
4502         (gloog): Add parameter BB_PBB_MAPPING.
4503         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
4504         (gloog): Change declaration.
4505         (mark_loop_parallel): Make extern.
4506         (free_aux_in_new_loops): Declare.
4507         (bb_pbb_map_hash): New.
4508         (eq_bb_pbb_map): New.
4509         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
4510         auto parallelization when flag_graphite_force_parallel is set.
4511         (graphite_finalize): Added free_aux_in_new_loops.
4512         * tree-parloops.c (parallelize_loops): Only generate parallel code for
4513         the innermost loop that marked parallel.  Use
4514         flag_graphite_force_parallel instead of loop->can_be_parallel.
4515         (loop_parallel_p): Move inner most checking out of function.
4516
4517 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4518
4519         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
4520         type of lower and upper bound of loops signed long int.
4521
4522 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4523
4524         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
4525         expression outside the loop.
4526
4527 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4528
4529         * gcc.dg/graphite/interchange-8.c: New.
4530
4531 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4532
4533         * gcc.dg/graphite/interchange-0.c: XFailed.
4534         * gcc.dg/graphite/interchange-5.c: XFailed.
4535         * gcc.dg/graphite/interchange-6.c: XFailed.
4536
4537 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4538
4539         * graphite-interchange.c (compute_array_size_poly): The end of the
4540         recursion should return 1.
4541
4542 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4543
4544         * graphite-interchange.c (compute_array_size_cstr): Allow the
4545         subscript multiplier to be -1.
4546         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
4547         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
4548         data_container.  Initializes PDR_DATA_CONTAINER.
4549         (print_pdr_access_layout): New.
4550         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
4551         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
4552         data_container.
4553         (PDR_DATA_CONTAINER): New.
4554         (new_poly_dr): Update declaration.
4555         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
4556         (build_poly_dr): Call pdr_add_data_dimensions.
4557
4558 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4559
4560         * graphite-poly.h (struct poly_dr): Fix comment.
4561         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
4562         (pdr_add_memory_accesses): New.
4563         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
4564
4565 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4566
4567         * graphite-poly.c (print_pdrs, debug_pdrs): New.
4568         (print_pbb): Add call to print_pdrs.
4569         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
4570
4571 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
4572             Li Feng <nemokingdom@gmail.com>
4573
4574         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
4575         (dependency_between_pbbs_p): New.
4576         (lexicographically_gt_p): Assure !empty_p before polyhedron
4577         intersection assign.
4578         (build_lexicographically_gt_constraint): Correct lexicographically
4579         judging.
4580         * graphite-dependences.h: New.
4581         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
4582
4583 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4584
4585         * graphite-clast-to-gimple.c (print_clast_stmt): New.
4586         (gloog): Print to dump_file the generated clast.
4587         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
4588         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
4589
4590 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4591
4592         * graphite-poly.c (extend_scattering): Increment
4593         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
4594
4595 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4596
4597         * graphite-interchange.c (compute_array_size_poly): Added exit of
4598         recursion condition.  Continue iterating even after the first equality.
4599         (compute_array_size): Same.
4600
4601 2009-06-24  Li Feng  <nemokingdom@gmail.com>
4602
4603         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
4604         -fdump-tree-final_cleanup to -fdump-tree-optimized.
4605         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
4606         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
4607         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
4608
4609 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4610
4611         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
4612         only when the use verifies is_gimple_reg.
4613
4614 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4615
4616         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
4617         Allocate scaldims after call to unify_scattering_dimensions.
4618
4619 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4620
4621         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
4622
4623 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4624             Albert Cohen  <albert.cohen@inria.fr>
4625
4626         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
4627         variables for the strip mining.
4628
4629 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4630             Pranav Garg  <pranav.garg2107@gmail.com>
4631
4632         * Makefile.in (OBJS-common): Added graphite-blocking.o.
4633         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
4634         (graphite-blocking.o): New rule.
4635         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
4636         * graphite-blocking.c: New.
4637         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
4638         flag_loop_strip_mine.
4639         (psct_scattering_dim_for_loop_depth): New.
4640         * graphite-poly.h (scop_do_strip_mine): Declared.
4641         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
4642         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
4643         flag_loop_strip_mine.
4644
4645 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4646
4647         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
4648         a GMP value and a PPL coefficient at each iteration of a loop.
4649
4650 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4651
4652         * graphite-dependences.c (dependence_polyhedron): Do not use
4653         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
4654         pbb_nb_scattering_transform.
4655         (graphite_legal_transform_dr): Same.
4656         * graphite-poly.c (extend_scattering): Same.
4657         (unify_scattering_dimensions): Same.
4658         (print_scattering_function): Same.
4659         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
4660         PBB_NB_LOCAL_VARIABLES.
4661         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
4662         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
4663         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
4664         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
4665         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
4666         (pbb_nb_scattering_transform): New.
4667         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
4668         (psco_scattering_dim): Add assert on parameters.
4669         (psct_scattering_dim): Same.
4670         (psct_scattering_dim_for_loop_depth): Declared.
4671         (psct_local_var_dim): New.
4672         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
4673         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
4674         correct layout, call pbb_nb_local_vars.
4675         (psct_add_local_variable, psct_add_scattering_dimension): New.
4676         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
4677         Initialize PBB_NB_SCATTERING_TRANSFORM.
4678
4679 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4680
4681         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
4682         (set_coef): Renamed ppl_set_coef.
4683         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
4684
4685 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4686
4687         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
4688         test a boolean against 1.
4689         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
4690         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
4691         (pbb_do_interchange): Returns true when a transform has been performed.
4692         (scop_do_interchange): Same.
4693         * graphite-poly.c (apply_poly_transforms): Use the return value of
4694         scop_do_interchange.
4695         * graphite-poly.h (scop_do_interchange): Update declaration.
4696
4697 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4698
4699         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
4700         after last use.
4701         * sese.c (sese_reset_aux_in_loops): New.
4702         * sese.h (sese_reset_aux_in_loops): New.
4703
4704 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4705
4706         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
4707         multiplier and multiply the constant by the multiplier.
4708         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
4709         (build_poly_dr): Do not use the multiplier to define the subscript.
4710
4711 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4712
4713         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
4714         compiler's data reference.  Initialize PDR_CDR.
4715         (print_pdr): Call dump_data_reference.
4716         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
4717         Add compiler_dr field.
4718         (PDR_BB): Renamed PDR_PBB.
4719         (PDR_CDR): New.
4720         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
4721         GCC's data reference representation.
4722         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
4723         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
4724
4725 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4726
4727         * graphite-poly.c (print_scattering_function): Also print the layout.
4728         * graphite-poly.h (pbb_nb_local_vars): New.
4729
4730 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4731
4732         * graphite-poly.c (print_pbb_domain): Also print the layout names.
4733
4734 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4735
4736         * graphite-poly.c (print_pdr, debug_pdr): New.
4737         * graphite-poly.h (print_pdr, debug_pdr): Declared.
4738         (PDR_BASE): Removed.
4739
4740 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4741
4742         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
4743         ltrans-{1..6,8}.c.
4744
4745 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4746
4747         * graphite-interchange.c (compute_subscript): Allow also -1 in the
4748         subscript identification column.
4749         (pbb_do_interchange): Print to dump_file that some loops "will be
4750         interchanged".  Rely on that chain of characters in the testcases.
4751         * gcc.dg/graphite/interchange-0.c: New.
4752         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
4753         interchange-*.c files and compile them with -floop-interchange.
4754
4755 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
4756
4757         * graphite-interchange.c (interchange_profitable_p): Renamed
4758         pbb_interchange_profitable_p.
4759
4760 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4761             Harsha Jagasia  <harsha.jagasia@amd.com>
4762             Pranav Garg  <pranav.garg2107@gmail.com>
4763
4764         * graphite-interchange.c (interchange_profitable_p): Make static.
4765         (pbb_interchange_loop_depths, pbb_do_interchange,
4766         scop_do_interchange): New.
4767         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
4768         for flag_loop_interchange.
4769         * graphite-poly.h (scop_do_interchange): Declared.
4770         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
4771         flag_loop_interchange is used.
4772
4773 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4774
4775         * graphite-dependences.c (dependence_polyhedron): Update use of
4776         pbb_nb_scattering_dims.
4777         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
4778         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
4779         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
4780         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
4781
4782 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4783
4784         * graphite.c: Cleanup foo.
4785
4786 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4787
4788         * Merge from mainline (r143684:148293).
4789         * Disabled libpcp until it gets fixed.
4790
4791 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4792             Harsha Jagasia  <harsha.jagasia@amd.com>
4793
4794         * graphite-interchange.c: New.
4795         * Makefile.in (graphite-interchange.o): New.
4796         * graphite-poly.h (interchange_profitable_p): Declared.
4797         * graphite-ppl.h (value_max): New.
4798
4799 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4800
4801         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
4802         * graphite-poly.h: Fix some comments.
4803         (pdr_dim): New.
4804         (pdr_scop): New.
4805
4806 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4807
4808         * graphite-poly.h
4809         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
4810         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
4811         (pdr_accessp_nb_params): Renamed pdr_nb_params.
4812         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
4813         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
4814         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
4815         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
4816         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
4817         * graphite-clast-to-gimple.c: Same.
4818         * graphite-dependences.c: Same.
4819         * graphite-poly.c: Same.
4820         * graphite-sese-to-poly.c: Same.
4821
4822 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4823
4824         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
4825         expressions for an IV rename, as returned by clast_to_gcc_expression.
4826         (copy_renames): Rename new_name to expr.
4827         * sese.c (debug_rename_elt): Same.
4828         (get_rename): Same.
4829         (set_rename): Same.
4830         (sese_adjust_liveout_phis): Call force_gimple_operand before using
4831         the information from the rename map.
4832         (rename_variables_in_stmt): Same.
4833         (add_loop_exit_phis): Rename new_name to expr.
4834         (insert_loop_close_phis): Same.
4835         (add_guard_exit_phis): Same.  Call force_gimple_operand.
4836         * sese.h (struct rename_map_elt): Rename new_name to expr.
4837         (new_rename_map_elt): Same.
4838
4839 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4840
4841         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
4842         * sese.c (set_rename): Make it extern.
4843         * sese.h (set_rename): Declared.
4844
4845 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4846
4847         * graphite-poly.c (extend_scattering): Free values.
4848         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
4849         Free iterators.
4850         (ppl_print_powerset_matrix): Same.
4851         * graphite-scop-detection.c (free_scops_1): New.
4852         (limit_scops): Call free_scops_1.
4853         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
4854         (build_poly_dr): Free PPL coefficients.
4855         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
4856
4857 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
4858
4859         * graphite-dependences.c: New.
4860         * graphite-data-ref.c: Removed.
4861         * graphite-data-ref.h: Removed.
4862         * Makefile.in (graphite-data-ref.o): Removed.
4863         (graphite-dependences.o): Added.
4864         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
4865         * graphite-poly.c: Same.
4866         Move the data dependence testing to graphite-dependences.c.
4867
4868 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4869
4870         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
4871         from graphite_cannot_represent_loop. Code refactored.
4872         (scopdet_basic_block_info): Call graphite_can_represent_loop.
4873
4874 2009-05-17  Li Feng  <nemokingdom@gmail.com>
4875
4876         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
4877         Cover all the testcases (not only the filtered ones).
4878
4879 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4880
4881         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
4882         unnecessary check. Update comments. Move check for REAL_TYPE here.
4883         (harmful_stmt_in_bb): Remove checks for conditions. This is already
4884         done in (stmt_simple_for_scop_p).
4885
4886 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
4887
4888         * graphite.c (print_global_statistics): New.
4889         (print_graphite_scop_statistic): New.
4890         (print_graphite_statistics): New.
4891         (graphite_initialize, graphite_transform_loops): Print statistics.
4892         * graphite-scop-detection (build_scops): Print statistics.
4893         (print_graphite_scop_statistics): New.
4894         (print_graphite_statistics): New.
4895
4896 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4897
4898         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
4899         (debug_clast_name_index): Removed.
4900         (debug_clast_name_indexes_1): Removed.
4901         (debug_clast_name_indexes): Removed.
4902         (clast_name_index_elt_info): Removed.
4903         (eq_clast_name_indexes): Removed.
4904         (clast_name_to_index): Removed.
4905         (new_clast_name_index): Removed.
4906         (save_clast_name_index): Removed.
4907         (save_var_name): Moved...
4908         (init_sese_params_index): Removed.
4909         (clast_name_to_gcc): Remove use of name_tree.
4910         (initialize_cloog_names): Same.
4911         (gloog): Do not call init_sese_params_index.
4912         * graphite-sese-to-poly.c (save_var_name): ...here.
4913         (parameter_index_in_region): New.
4914         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
4915         (parameter_index_in_region): Removed.
4916         (is_parameter): Remove use of name_tree.
4917         * sese.h (struct name_tree): Removed.
4918         (struct sese): Remove use of name_tree.  New field params_names.
4919         (SESE_PARAMS_NAMES): New.
4920         (SESE_PARAMS): Remove duplicate.
4921         (parameter_index_in_region): Removed.
4922         (sese_nb_params): Remove use of name_tree.
4923         (struct clast_name_index): New.
4924         (new_clast_name_index): New.
4925         (clast_name_to_index): New.
4926         (save_clast_name_index): New.
4927         (debug_clast_name_index): New.
4928         (debug_clast_name_indexes_1): New.
4929         (debug_clast_name_indexes): New.
4930         (clast_name_index_elt_info): New.
4931         (eq_clast_name_indexes): New.
4932
4933 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4934
4935         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
4936         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
4937         (graphite_loop_normal_form): Do not pass region.  Do not
4938         initialize SESE_OLDIVS.
4939         (build_graphite_loop_normal_form): Update call to
4940         graphite_loop_normal_form.
4941         * sese.c (debug_oldivs): Removed.
4942         (new_sese): Do not initialize SESE_OLDIVS.
4943         (free_sese): Do not free SESE_OLDIVS.
4944         (oldiv_for_loop): Removed.
4945         * sese.h (struct sese): Remove old_ivs.
4946         (SESE_OLDIVS): Removed.
4947         (oldiv_for_loop): Removed.
4948
4949 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4950
4951         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
4952         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
4953         replaced by a call to newivs_to_depth_to_newiv.
4954         (clast_to_gcc_expression): Pass newivs, remove ivstack.
4955         (clast_to_gcc_expression_red): Same.
4956         (gcc_type_for_clast_expr): Same.
4957         (gcc_type_for_clast_eq): Same.
4958         (graphite_translate_clast_equation): Same.
4959         (graphite_create_guard_cond_expr): Same.
4960         (graphite_create_new_guard): Same.
4961         (graphite_create_new_loop): Same.
4962         (build_iv_mapping): Same.
4963         (translate_clast): Same.
4964         (gloog): Same.
4965         (loop_iv_stack_patch_for_consts): Removed.  *
4966         sese.c (iv_stack_entry_is_constant): Removed.
4967         (iv_stack_entry_is_iv): Removed.
4968         (loop_iv_stack_push_iv): Removed.
4969         (loop_iv_stack_insert_constant): Removed.
4970         (loop_iv_stack_pop): Removed.
4971         (loop_iv_stack_get_iv): Removed.
4972         (loop_iv_stack_get_iv_from_name): Removed.
4973         (debug_loop_iv_stack): Removed.
4974         (free_loop_iv_stack): Removed.
4975         (loop_iv_stack_remove_constants): Removed.  *
4976         sese.h (iv_stack_entry_kind): Removed.
4977         (iv_stack_entry_data_union): Removed.
4978         (iv_stack_entry_struct): Removed.
4979         (iv_stack_entry_p): Removed.
4980         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
4981         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
4982         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
4983         loop_iv_stack_pop, free_loop_iv_stack): Removed.
4984         (gbb_loop_at_index): Fix indenting.
4985         (gbb_loop_index): Removed.
4986
4987 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4988
4989         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
4990         Call clast_name_to_index.
4991
4992 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4993
4994         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
4995         do not pass params.  Get params from SESE_PARAMS.
4996         (clast_to_gcc_expression): Same.
4997         (clast_to_gcc_expression_red): Same.
4998         (gcc_type_for_clast_eq): Same.
4999         (graphite_translate_clast_equation): Same.
5000         (graphite_create_new_loop): Same.
5001         * sese.c (rename_variables_in_stmt): Fix comment.
5002
5003 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
5004
5005         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
5006         newivs_index.
5007         Call save_clast_name_index.
5008         (translate_clast): Pass newivs_index.
5009         (gloog): Create and free newivs_index.
5010
5011 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
5012
5013         * graphite-clast-to-gimple.c (clast_name_index): New structure.
5014         (clast_name_index_p): New type.
5015         (debug_clast_name_index): New.
5016         (debug_clast_name_indexes_1): New.
5017         (debug_clast_name_indexes): New.
5018         (clast_name_index_elt_info): New.
5019         (eq_clast_name_indexes): New.
5020         (clast_name_to_index): New.
5021         (new_clast_name_index): New.
5022         (save_clast_name_index): New.
5023         (init_sese_params_index): New.
5024         (gloog): Call init_sese_params_index.
5025         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
5026         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
5027         (free_sese): Free SESE_PARAMS_INDEX.
5028         * sese.h (struct sese): Add params_index.
5029         (SESE_PARAMS_INDEX): New.
5030
5031 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
5032
5033         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
5034         (graphite_create_new_loop): Pass the newivs vector.  Push the
5035         newly created IV to newivs.
5036         (translate_clast): Pass the newivs vector.
5037         (gloog): Create and destroy the newivs vector.
5038
5039 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
5040
5041         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
5042         (graphite_loop_normal_form): Initialize loop->aux with the unique
5043         IV that has been created.
5044
5045 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
5046
5047         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
5048         scev with parameters in the base part. They where forbidden
5049         exidently.
5050
5051 2009-05-11  Li Feng  <nemokingdom@gmail.com>
5052
5053         * gcc.dg/graphite/graphite.exp: Set different default
5054         compile options by file names.
5055         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
5056         * gcc.dg/graphite/id-{1-9}.c: Ditto.
5057         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
5058         * gcc.dg/graphite/scop-matmult.c: Ditto.
5059
5060 2009-05-08  Li Feng <nemokingdom@gmail.com>
5061
5062         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
5063         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
5064         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
5065         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
5066
5067 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5068
5069         * graphite-scop-detection (build_scops_1): Fix little bug introduced
5070         by final cleanup.
5071
5072 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5073
5074         * graphite-scop-detection.c (graphite_can_represent_scev): Only
5075         allow integer constant strides.
5076         (graphite_can_represent_expr): Depend on outermost_loop.
5077         (stmt_simple_memref_p, graphite_cannot_represent_loop,
5078         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
5079         build_scops_1): Same.
5080         (scopdet_basic_block_info): Same and insert layered SCoP
5081         detection.
5082         (try_generate_gimple_bb): Cleanup.
5083         (build_scops): Enable data references.
5084
5085         * gcc.dg/graphite/id-5.c: New.
5086         * gcc.dg/graphite/id-9.c: New.
5087         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
5088         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
5089
5090 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5091
5092         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
5093         that we have not yet built for this SCoP.
5094
5095 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5096
5097         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
5098         for complex numbers.
5099
5100 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5101
5102         * graphite-ppl.c: Fix build if cloog is not available.
5103
5104 2009-05-04  Li Feng  <nemokingdom@gmail.com>
5105
5106         * tree-parloops.c (loop_parallel_p): Remove construction of
5107         NITER and REDUCTION_LIST.
5108         (try_get_loop_niter): New.
5109         (try_create_reduction_list): New.
5110         (parallelize_loops): Bypass the failed checkings in autopar
5111         when can_be_parallel in loop structure is set to true.
5112
5113 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
5114
5115         * gcc.dg/graphite/id-6.c: Update testcase.
5116         * gcc.dg/graphite/scop-3.c: Dito.
5117
5118 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
5119
5120         * graphite-scop-detection.c (stmt_simple_for_scop_p):
5121         Enable EQ_EXPR and NE_EXPR again.
5122
5123 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5124
5125         * graphite-scop-detection.c (graphite_can_represent_scev):
5126         Add check if scev is affine multivariate.
5127         (harmful_stmt_in_bb): Check if we can represent the conditions.
5128         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
5129         harmful_stmt_in_bb.
5130         * gcc.dg/graphite/id-7.c: New.
5131
5132 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5133
5134         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
5135         Check all bbs in region, not only the bbs that are represented in
5136         GRAPHITE.
5137         (build_poly_scop): Add newline.
5138         * gcc.dg/graphite/id-8.c: New.
5139
5140 2009-04-30  Li Feng  <nemokingdom@gmail.com>
5141
5142         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
5143         when loop initialize.
5144         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
5145         * common.opt: Declare flag_graphite_force_parallel.
5146         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
5147         loop parallel.
5148         * graphite-poly.c (apply_poly_transforms): Introduce
5149         flag_graphite_force_parallel.
5150         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
5151         * toplev.c (process_options): ditto and replace a not correctly
5152         encoded space.
5153
5154 2009-04-30  Li Feng  <nemokingdom@gmail.com>
5155
5156         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
5157         Change the call of gbb_loop_at_index and/or gbb_loop_index due
5158         to the redefinition.
5159         (compute_cloog_iv_types_1): ditto.
5160         (build_iv_mapping): ditto.
5161         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
5162         initialization.
5163         (free_gimple_bb): Removed GBB_LOOPS related free part.
5164         (build_bb_loops): Removed.
5165         * sese.h (struct gimple_bb): Removed loops.
5166         (GBB_LOOPS): Removed.
5167         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
5168         (gbb_loop_index): ditto.
5169
5170 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
5171
5172         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
5173         allow non constant strides.
5174         * gcc.dg/graphite/scop-20.c: New.
5175
5176 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5177
5178         * graphite-scop-detection.c (dot_all_scops): Fix system call
5179         return value warning.
5180         (dot_scop): Same.
5181
5182 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5183
5184         * gcc.dg/graphite/id-6.c: Fix pattern.
5185         * gcc.dg/graphite/scop-3.c: Same.
5186
5187 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5188
5189         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
5190         build_pairwise_constraint, dr_equality_constraints,
5191         build_pairwise_scheduling_equality,
5192         build_pairwise_scheduling_inequality, lexicographically_gt_p,
5193         build_lexicographically_gt_constraint, dependence_polyhedron,
5194         graphite_legal_transform_dr, graphite_legal_transform_bb,
5195         graphite_legal_transform): New.
5196         * graphite-poly.h (graphite_legal_transform): Declared.
5197         * graphite-sese-to-poly.c (build_poly_scop): Call to
5198         graphite_legal_transform is disabled for the moment.
5199
5200 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5201
5202         * graphite-poly.h (pbb_nb_scattering_dims): New.
5203         (pbb_nb_scattering): Use it.
5204
5205 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5206
5207         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
5208         Pointset_Powerset version of ppl_insert_dimensions.
5209         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
5210
5211 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5212
5213         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
5214
5215 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5216
5217         * graphite-poly.h: Fix comment.
5218
5219 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5220
5221         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
5222
5223 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
5224
5225         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
5226         statements.
5227
5228 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
5229
5230         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
5231         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
5232         conditions.
5233
5234 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
5235
5236         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
5237         handle EQ_EXPR and NE_EXPR.
5238
5239 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
5240
5241         * graphite-poly.h (poly_dr): Fix comment.
5242
5243 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
5244             Tobias Grosser  <grosser@fim.uni-passau.de>
5245
5246         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
5247         with a zero dimension polyhedron.
5248         (find_scop_parameters): Move the call to scop_set_nb_params here.
5249         (build_loop_iteration_domains): Store in loop->aux the iteration
5250         domain polyhedron.
5251         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
5252         by any loop in scop.
5253         (build_poly_scop): Do not call scop_set_nb_params.
5254
5255 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
5256             Tobias Grosser  <grosser@fim.uni-passau.de>
5257
5258         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
5259         add_condition_to_domain not GT_EXPR.
5260
5261 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5262
5263         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
5264         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
5265         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
5266         upper_bound_assign to calculate unions.
5267         * gcc.dg/graphite/id-6.c: New.
5268
5269 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5270
5271         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
5272         handle abnormal edges.
5273
5274 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5275
5276         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
5277         (free_poly_bb): Also free poly_drs.
5278         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
5279         (poly_dr): Polyhedron to Pointset_Powerset.
5280         (pdr_accessp_nb_subscripts): Same.
5281         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
5282         poly_drs.
5283
5284 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5285
5286         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
5287         names into more meaningful names.
5288
5289 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5290
5291         * gfortran.dg/graphite/interchange-1.c: New.
5292         * gfortran.dg/graphite/interchange-2.c: New.
5293
5294 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5295
5296         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
5297         the reduction_list.
5298         * tree-parloops.c (rewrite_phi_with_iv): New.
5299         (rewrite_all_phi_nodes_with_iv): New.
5300         (canonicalize_loop_ivs): Call them.
5301
5302 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5303
5304         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
5305         graphite_find_data_references_in_stmt.
5306         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
5307         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
5308
5309 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5310
5311         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
5312
5313 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5314
5315         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
5316         instead of bb_in_region.
5317         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
5318         (build_sese_conditions): Use flag_bb_in_sese.
5319         * sese.c (register_bb_in_sese): Removed.
5320         (new_sese): Remove initialization of SESE_REGION_BBS.
5321         (free_sese): Do not free SESE_REGION_BBS.
5322         * sese.h (struct sese): Remove field region_basic_blocks.
5323         (SESE_REGION_BBS): Removed.
5324         (bb_in_sese_p): Implement in function of bb_in_region.
5325
5326 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5327
5328         * graphite-scop-detection.c (limit_scops): Deal only with single exit
5329         loops.
5330
5331 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5332
5333         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
5334         and EQ_EXPR.
5335         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
5336         (add_condition_to_domain): New.
5337         (add_condition_to_pbb): New.
5338         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
5339         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
5340
5341 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5342
5343         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
5344         ppl_Pointset_Powerset.
5345         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
5346         * graphite-poly.h (poly_bb): poly_bb.domain Same.
5347         (pbb_nb_loops): Same.
5348         * graphite-sese-to-poly.c (build_loop_iteration_domains,
5349         add_conditions_to_domain): Same.
5350         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
5351         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
5352         ppl_const_Polyhedron_t.
5353         (ppl_print_powerset_matrix): New.
5354         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
5355         ppl_print_powerset_matrix): New.
5356         (ppl_print_polyhedron_matrix): Updated.
5357
5358 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5359
5360         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
5361
5362 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5363
5364         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
5365         (print_iteration_domains, debug_iteration_domain,
5366         debug_iteration_domains): New.
5367         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
5368         debug_iteration_domains): Declared.
5369         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
5370         indenting.
5371
5372 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5373             Sebastian Pop  <sebastian.pop@amd.com>
5374
5375         * graphite-poly.h (print_iteration_domain): New.
5376         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
5377         (build_sese_conditions_1, build_sese_conditions_after,
5378         build_sese_conditions_before): New.
5379         (build_sese_conditions): Rewritten.
5380
5381 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
5382             Tobias Grosser  <grosser@fim.uni-passau.de>
5383
5384         Cleanup of code generation liveouts.
5385         * graphite-clast-to-gimple.c (translate_clast): Use a single
5386         rename_map instead of one per translated statement.
5387         Do not use SESE_LIVEOUT_RENAMES.
5388         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
5389         (gloog): Do not use SESE_LIVEOUT_RENAMES.
5390         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
5391         phi node of a reduction: when a loop contains a reduction used outside
5392         the loop, there should be a scalar close phi node on the exit block.
5393         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
5394         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
5395         (free_sese): Do not free them.
5396         (sese_build_liveouts_use): Do not use them.
5397         (sese_build_liveouts_bb): Same.
5398         (sese_build_liveouts): Same.
5399         (sese_insert_phis_for_liveouts): Same.
5400         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
5401         (defined_in_loop_p): New.
5402         (alive_after_loop): New.
5403         (close_phi_not_yet_inserted_p): New.
5404         (struct alep, alep_p): New.
5405         (add_loop_exit_phis): Remove from the rename_map all the names defined
5406         in the code generated loop.
5407         (insert_loop_close_phis): Traverse the rename_map passed to it.
5408         Don't use SESE_LIVEOUT_RENAMES.
5409         (default_liveout_before_guard): Renamed default_before_guard.
5410         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
5411         (graphite_copy_stmts_from_block): Do not directly call set_rename.
5412         (register_sese_liveout_renames): Removed.
5413         (copy_bb_and_scalar_dependences): Do not call it.
5414         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
5415         reduction_list.
5416         (SESE_LIVEOUT): Removed.
5417         (SESE_LIVEOUT_RENAMES): Removed.
5418         (SESE_REDUCTION_LIST): Removed.
5419         (sese_build_liveouts): Removed.
5420         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
5421         (insert_loop_close_phis): Pass a htab_t instead of a sese.
5422         (insert_guard_phis): Same.
5423         (rename_map_elt): Declare a VEC of them.
5424         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
5425         trees not pointers to trees.
5426
5427         Rewrite in canonical close SSA form:
5428         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
5429         (limit_scops): Close the scop after the block containing the close phi
5430         nodes.
5431         (canonicalize_loop_closed_ssa): New.
5432         (canonicalize_loop_closed_ssa_form): New.
5433         (build_scops): Call canonicalize_loop_closed_ssa_form.
5434
5435         * graphite-sese-to-poly.c: Fix typos.
5436
5437 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
5438
5439         * graphite-poly.c (print_scattering_function, print_pbb_domain):
5440         Extended.
5441         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
5442         (print_pbb): Add conditions.
5443
5444 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
5445             Sebastian Pop  <sebastian.pop@amd.com>
5446
5447         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
5448         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
5449         (build_scop_bbs_1): New.
5450         (build_scop_bbs): Rewrite.
5451         * sese.h (bb_in_region): New.
5452
5453 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5454
5455         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
5456         poly_drs vector.
5457         (print_scop): Style.
5458         * graphite-poly.h (poly_bb): Add drs vector.
5459         (PBB_DRS): Add accessor.
5460         * graphite-sese-to-poly.c (build_poly_dr): New.
5461         (build_pbb_drs, build_scop_drs): New.
5462         (build_poly_scop): call build_scop_drs (Disabled at the moment).
5463
5464 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5465
5466         * tree-ssa-loop.c: Include forgotten toplev.h
5467
5468 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5469
5470         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
5471         * gcc.dg/graphite/pr37883.c: Remove -floop-*
5472         * gcc.dg/graphite/pr37928.c: Same
5473         * gcc.dg/graphite/pr38409.c: Same
5474         * gcc.dg/graphite/pr38498.c: Same
5475         * gcc.dg/graphite/pr38559.c: Same
5476         * gcc.dg/graphite/pr39335.c: Same
5477         * gcc.dg/graphite/pr39335_1.c: Same
5478         * gfortran.dg/graphite/block-2.f: Same
5479         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
5480         with -floop-*.
5481
5482 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5483
5484         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
5485         build_access_matrix, build_scop_data_accesses): Remove access function
5486         building. (We get a new version soon).
5487         (build_bb_loops, scan_tree_for_params_right_scev): Update.
5488         * sese.h (nb_loops_around_loop_in_sese): Remove.
5489         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
5490
5491 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
5492             Sebastian Pop  <sebastian.pop@amd.com>
5493
5494         * graphite-scop-detection.c (struct scopdet_info): Rename last
5495         field to exit.
5496         (scopdet_basic_block_info, build_scops_1): Don't use
5497         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
5498
5499 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
5500             Sebastian Pop  <sebastian.pop@amd.com>
5501
5502         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
5503         * sese.c (sese_build_liveouts_use): Renamed from
5504         sese_build_livein_liveouts_use. Remove liveins.
5505         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
5506         Call sese_build_liveouts_use.
5507         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
5508         Call sese_build_liveouts_bb.
5509         (new_sese, free_sese): Remove liveins.
5510         (sese_add_exit_phis_var): Deleted.
5511         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
5512         directly.
5513         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
5514
5515         * sese.h (sese): Remove num_ver and livein.
5516         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
5517
5518 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5519
5520         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
5521
5522 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5523
5524         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
5525         (build_scop_scattering): Do not use compare_prefix_loops any more.
5526         (nb_common_loops): New.
5527
5528 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5529
5530         * sese.c (get_new_name_from_old_name): Renamed get_rename.
5531         (register_old_and_new_names): Renamed set_rename.
5532
5533 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5534
5535         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
5536         of the decl from the previous commit.
5537
5538 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5539
5540         * graphite-scop-detection.c (dot_scop): New.
5541         * graphite-scop-detection.h (dot_scop): Declared.
5542
5543 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5544
5545         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
5546
5547 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5548
5549         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
5550         condition at the end of the loop.
5551         * graphite.c (graphite_initialize, graphite_finalize): Print to
5552         dump_file the compiled function.
5553         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
5554         of create_empty_loop_on_edge.
5555         (translate_clast): Update the code generation of loops for the new
5556         shape of loops.
5557         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
5558
5559 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5560
5561         Reverted the patch from 2009-03-19.
5562
5563 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
5564
5565         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
5566         poly_drs vector.
5567         (print_scop): Style.
5568         * graphite-poly.h (poly_bb): Add drs vector.
5569         (PBB_DRS): Add accessor.
5570         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
5571         (build_access_matrix_with_af, build_access_matrix,
5572         build_scop_data_accesses): Delete.
5573         (build_poly_dr): New.
5574         (build_pbb_drs, build_scop_drs): New.
5575         (build_poly_scop): call build_scop_drs.
5576
5577 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
5578
5579         * graphite-scop-detection.c (dot_all_scops_1): Close the table
5580         once per basic block.
5581
5582 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5583
5584         * graphite-scop-detection.c (graphite_can_represent_scev): New.
5585         (graphite_can_represent_expr): Renamed from loop_affine_expr
5586         and enhanced.
5587         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
5588         (graphite_cannot_represent_loop): Add scop_entry to parameters.
5589         (scopdet_basic_block_info): Actually define entry_block.
5590         (stmt_simple_memref_p): Moved here from ...
5591
5592         * tree-data-ref.c (stmt_simple_memref_p): here.
5593         * tree-data-ref.h (stmt_simple_memref_p): Removed.
5594
5595 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5596
5597         * gcc.dg/graphite/id-4.c: New.
5598
5599 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
5600
5601         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
5602         (register_old_and_new_names): Update the content of the map.
5603         When there was already a rename_map_elt in the map at that
5604         location, free it.
5605         (copy_bb_and_scalar_dependences): Do rename_variables after
5606         expand_scalar_variables.
5607         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5608         of the map.  When there was already a rename_map_elt in the
5609         map at that location, free it.
5610         (translate_clast): Pass the rename_map.  Do not initialize and free
5611         a rename_map per stmt_user.
5612         (gloog): Initialize and free one rename_map and pass it to
5613         translate_clast.
5614
5615 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
5616
5617         * sese.c (expand_scalar_variables_stmt,
5618         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
5619         parameter.
5620         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
5621         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
5622         the gimple_stmt_iterator of the statement to be expanded.
5623         * graphite-scop-detection.c (is_simple_operand): Do handle
5624         REALPART_EXPR.
5625
5626 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5627
5628         * graphite-scop-detection.c (is_simple_operand): Do not handle
5629         REALPART_EXPR.
5630         * gcc.dg/graphite/id-2.c: New.
5631
5632         * graphite-sese-to-poly.c (build_bb_loops,
5633         add_value_to_dim, scan_tree_for_params_right_scev,
5634         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
5635         find_params_in_bb, build_loop_iteration_domains,
5636         add_conditions_to_domain): Remove subtract.
5637
5638 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5639
5640         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
5641         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
5642         pbb_loop_at_index -> gbb_loop_at_index.
5643         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
5644         (debug_loop_vec): Delete.
5645         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
5646         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
5647         (PBB_LOOPS): Removed.
5648         (PBB_BLACK_BOX): Insert cast.
5649         (pbb_set_black_box): New setter.
5650         (pbb_loop_at_index, pbb_loop_index): Removed.
5651         (scop_set_region, scop_set_nb_params): New.
5652         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
5653         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
5654         (build_poly_scop): Use scop_set_nb_params.
5655         * sese.h (gimple_bb): Add LOOPS.
5656         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
5657
5658 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5659
5660         Revert previous commit.
5661
5662 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
5663
5664         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
5665         (register_old_and_new_names): Update the content of the map.
5666         When there was already a rename_map_elt in the map at that
5667         location, free it.
5668         (copy_bb_and_scalar_dependences): Do rename_variables after
5669         expand_scalar_variables.
5670         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5671         of the map.  When there was already a rename_map_elt in the
5672         map at that location, free it.
5673         (translate_clast): Pass the rename_map.  Do not initialize and free
5674         a rename_map per stmt_user.
5675         (gloog): Initialize and free one rename_map and pass it to
5676         translate_clast.
5677
5678 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5679
5680         Remove forgotten line in revert.
5681
5682 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
5683
5684         Revert previous commit.
5685
5686 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5687
5688         * sese.c (register_old_and_new_names): Update the content
5689         of the map.  When there was already a rename_map_elt in the
5690         map at that location, free it.
5691         (copy_bb_and_scalar_dependences): Do rename_variables after
5692         expand_scalar_variables.
5693         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5694         of the map.  When there was already a rename_map_elt in the
5695         map at that location, free it.
5696         (translate_clast): Pass the rename_map.  Do not initialize and free
5697         a rename_map per stmt_user.
5698         (gloog): Initialize and free one rename_map and pass it to
5699         translate_clast.
5700
5701 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5702
5703         * graphite-clast-to-gimple.c (translate_clast): context_loop
5704         is never NULL.
5705
5706 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5707             Sebastian Pop  <sebastian.pop@amd.com>
5708
5709         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
5710         of the use of ppl_Polyhedron_map_space_dimensions.
5711
5712 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5713             Sebastian Pop  <sebastian.pop@amd.com>
5714
5715         * graphite-poly.c (unify_scattering_dimensions): Fix types.
5716         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
5717         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
5718         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
5719         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
5720         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
5721         pbb_nb_params): New.
5722         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
5723         nb_loops_around_pbb): Adapt return types.
5724
5725 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5726
5727         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5728         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5729         graphite-scop-detection.o, graphite-poly.o): Add
5730         more headers.
5731
5732 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5733
5734         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5735         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5736         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
5737
5738 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5739
5740         * gcc.dg/graphite/pr37485.c: Remove -floop-block
5741         * gcc.dg/graphite/pr37828.c: Same.
5742         * gcc.dg/graphite/pr37684.c: Same.
5743         * gcc.dg/graphite/block-0.c: Same.
5744         * gcc.dg/graphite/block-1.c: Same.
5745         * gcc.dg/graphite/block-2.c: Same.
5746         * gcc.dg/graphite/block-3.c: Same.
5747         * gcc.dg/graphite/block-4.c: Same.
5748         * gcc.dg/graphite/block-5.c: Same.
5749         * gcc.dg/graphite/block-6.c: Same.
5750         * gfortran.dg/graphite/pr38083.f90: Same.
5751         * gfortran.dg/graphite/block-1.f90: Same.
5752         * gfortran.dg/graphite/block-3.f90: Same.
5753         * gfortran.dg/graphite/pr37852.f90: Same.
5754         * gfortran.dg/graphite/block-4.f90: Same.
5755         * gfortran.dg/graphite/pr37980.f90: Same.
5756         * gfortran.dg/graphite/pr38953.f90: Same.
5757         * gfortran.dg/graphite/pr37857.f90: Same.
5758         * opts.c: Remove -floop-block from -O2.
5759         * graphite-poly.c: Fail if -floop-block -floop-interchange or
5760         -floop-strip-mine are used.
5761
5762 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5763             Sebastian Pop  <sebastian.pop@amd.com>
5764
5765         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
5766         dimensions.
5767         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
5768         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
5769         strip_mine_profitable_p, is_interchange_valid,
5770         graphite_trans_bb_block, graphite_trans_loop_block,
5771         graphite_trans_scop_block): Temporary removed.
5772         (extend_scattering, unify_scattering_dimensions): New.
5773         (print_scattering_function, graphite_read_transforms):
5774         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5775         (graphite_generate_scattering_fns): Removed.
5776         (apply_poly_transforms): Cleanup.
5777         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5778         (schedule_to_scattering): Moved.
5779         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
5780         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
5781         (pbb_nb_scattering): New.
5782         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5783         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
5784         Removed.
5785         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
5786         shift_poly.
5787         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5788         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
5789         -> PBB_TRANSFORMED_SCATTERING.
5790         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
5791         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
5792         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
5793         (check_poly_representation): Do not return bool.
5794         (graphite_transform_loops): Reformat.
5795         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
5796
5797 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5798
5799         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
5800         debug_pbb_domain, debug_pbb, debug_scop): New.
5801         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
5802         debug_pbb_domain, debug_pbb, debug_scop): Declared.
5803
5804 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5805
5806         PR middle-end/39335
5807         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
5808         when the type precision of the induction variable should be
5809         larger than the type precision of nit.
5810         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
5811         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
5812         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
5813
5814         * gcc.dg/graphite/pr39335_1.c: New.
5815         * gcc.dg/graphite/pr39335.c: New.
5816
5817 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5818
5819         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
5820         SSA_NAMES not struct reduction_info.
5821
5822 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5823
5824         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
5825
5826 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5827             Tobias Grosser  <grosser@fim.uni-passau.de>
5828
5829         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
5830         (free_sese): Free SESE_REDUCTION_LIST.
5831         * sese.h (struct sese): Add field reduction_list.
5832         (SESE_REDUCTION_LIST): New.
5833         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
5834         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
5835
5836 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5837             Tobias Grosser  <grosser@fim.uni-passau.de>
5838
5839         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
5840         of loop_p.
5841
5842 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5843             Tobias Grosser  <grosser@fim.uni-passau.de>
5844
5845         * tree-parloops.c (struct brli, build_reduction_list_info,
5846         analyze_reduction_list, gather_scalar_reductions): New.
5847         (loop_parallel_p): Build a reduction list containing only
5848         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
5849         (gen_parallel_loop): Call the analysis analyze_reduction_list.
5850         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
5851         * tree-flow.h (gather_scalar_reductions): Declared.
5852
5853 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
5854
5855         PR middle-end/39308
5856         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
5857         number_of_iterations_exit from a gcc_assert.
5858
5859 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
5860             Jan Sjodin  <jan.sjodin@amd.com>
5861
5862         * output.h (graphite_out_file, graphite_in_file): Declared.
5863         * toplev.c (graphite_out_file, graphite_in_file): New.
5864         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
5865         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
5866         Don't call schedule_to_scattering.
5867         * common.opt (fgraphite-write, fgraphite-read): New.
5868         * graphite-poly.c: Include output.h.
5869         (print_scattering_function, print_scattering_functions,
5870         debug_scattering_function, debug_scattering_functions,
5871         graphite_write_transforms, graphite_read_transforms,
5872         graphite_generate_scattering_fns): New.
5873         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
5874         Call graphite_generate_scattering_fns, graphite_write_transforms,
5875         graphite_read_transforms.
5876         (new_poly_bb): Initialize PBB_SCATTERING.
5877         (free_poly_bb): Free PBB_SCATTERING.
5878         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
5879         * graphite-poly.h (struct poly_bb): Add field scattering.
5880         (PBB_SCATTERING): New.
5881         (print_scattering_function, print_scattering_functions,
5882         debug_scattering_function, debug_scattering_functions): Declared.
5883         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
5884         GMP values, not integers!
5885         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
5886         ppl_read_polyhedron_matrix): New.
5887         * graphite-ppl.h (ppl_print_polyhedron_matrix,
5888         debug_ppl_polyhedron_matrix,
5889         ppl_read_polyhedron_matrix): Declared.
5890         * Makefile.in (graphite-poly.o): Depends on output.h.
5891
5892 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5893             Tobias Grosser  <grosser@fim.uni-passau.de>
5894
5895         Revert this change:
5896         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5897         scalar evolutions in the scop_entry->loop_father.
5898
5899 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5900             Tobias Grosser  <grosser@fim.uni-passau.de>
5901
5902         * graphite.h (ref_nb_loops): Remove declaration.
5903         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
5904         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
5905         debug_gbb): Moved to sese.h.
5906         * sese.h: As said.
5907
5908 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5909             Tobias Grosser  <grosser@fim.uni-passau.de>
5910
5911         * graphite-data-ref.[ch]: Disable.
5912
5913 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5914             Tobias Grosser  <grosser@fim.uni-passau.de>
5915
5916         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5917         scalar evolutions in the scop_entry->loop_father.
5918
5919 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5920
5921         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
5922         (graphite_cannot_represent_loop_niter): Renamed
5923         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
5924         (limit_scops): build_sese_loop_nests does not return a bool.
5925         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
5926         * sese.c (nb_reductions_in_loop): ... from here.
5927         (graphite_loop_normal_form): ... from here.
5928         (sese_record_loop): Does not fail, so does not return a bool.
5929         (build_sese_loop_nests): Same.
5930         * sese.h (build_sese_loop_nests): Update declaration.
5931         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
5932         (build_graphite_loop_normal_form): New.
5933         (gloog): Call build_graphite_loop_normal_form.
5934         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
5935         build_sese_loop_nests.
5936
5937         * gcc.dg/graphite/id-1.c: New.
5938
5939 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5940             Tobias Grosser  <grosser@fim.uni-passau.de>
5941
5942         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
5943         The SCoP detection fix is sufficient.
5944
5945 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5946
5947         PR tree-optimization/39260
5948         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
5949         the basic block contains a condition with a real type.
5950         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
5951
5952         * gcc.dg/graphite/pr39260.c: New.
5953
5954 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5955
5956         * graphite-poly.c: Inlcude params.h.
5957         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
5958         the size of a tile.
5959         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
5960         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
5961
5962 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5963             Tobias Grosser  <grosser@fim.uni-passau.de>
5964
5965         * graphite-scop-detection.c (dot_all_scops_1,
5966         dot_all_scops): Moved here.
5967         * graphite-scop-detection.h (dot_all_scops): Declared here.
5968         * graphite.c (graphite_initialize, graphite_finalize): New.
5969         (graphite_transform_loops): Cleaned up.
5970         * sese.c (debug_oldivs): Moved here.
5971         * graphite-poly.c (graphite_apply_transformations): Renamed
5972         apply_poly_transforms.
5973         (debug_loop_vec): Moved here.
5974         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
5975         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
5976         find_scop_parameters, build_scop_iteration_domain,
5977         add_conditions_to_constraints, build_scop_canonical_schedules,
5978         build_scop_data_accesses): Now static.
5979         (build_poly_scop, check_poly_representation): New.
5980
5981 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5982
5983         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
5984         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
5985         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
5986         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
5987         scan_tree_for_params_right_scev, scan_tree_for_params_int,
5988         scan_tree_for_params, struct irp_data, dx_record_params,
5989         find_params_in_bb, find_scop_parameters, gbb_from_bb,
5990         build_loop_iteration_domains, add_conditions_to_domain,
5991         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
5992         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
5993         build_sese_conditions, add_conditions_to_constraints,
5994         build_scop_iteration_domain, build_access_matrix_with_af,
5995         build_access_matrix,
5996         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
5997
5998         * graphite-sese-to-poly.c: New.
5999         * graphite-sese-to-poly.h: New.
6000
6001         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
6002
6003 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
6004
6005         * graphite.c: Split graphite code generation to a new file.
6006         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
6007         max_precision_type, clast_to_gcc_expression_red,
6008         clast_to_gcc_expression, gcc_type_for_clast_expr,
6009         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
6010         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
6011         graphite_create_new_guard, clast_get_body_of_loop,
6012         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
6013         graphite_create_new_loop, build_iv_mapping, copy_renames,
6014         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
6015         compute_cloog_iv_types, free_scattering, save_var_name,
6016         initialize_cloog_names, build_scop_context, build_cloog_prog,
6017         set_cloog_options, debug_clast_stmt, scop_to_clast,
6018         print_generated_program, debug_generated_program,
6019         gloog): Moved to graphite-clast-to-gimple.c.
6020
6021         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
6022
6023         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
6024         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
6025         loop_iv_stack_pop, loop_iv_stack_get_iv,
6026         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
6027         free_loop_iv_stack, loop_iv_stack_remove_constants,
6028         debug_rename_elt, debug_rename_map_1, debug_rename_map,
6029         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
6030         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
6031         eq_ivtype_map_elts, sese_add_exit_phis_edge,
6032         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
6033         get_vdef_before_sese, sese_adjust_vphi,
6034         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
6035         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
6036         is_iv, expand_scalar_variables_ssa_name,
6037         expand_scalar_variables_expr, expand_scalar_variables_stmt,
6038         expand_scalar_variables, rename_variables, remove_condition,
6039         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
6040         add_loop_exit_phis, insert_loop_close_phis, struct igp,
6041         default_liveout_before_guard, add_guard_exit_phis,
6042         insert_guard_phis, register_old_and_new_names,
6043         graphite_copy_stmts_from_block, register_sese_liveout_renames,
6044         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
6045         if_region_set_false_region, create_if_region_on_edge,
6046         move_sese_in_condition): Moved to sese.c.
6047
6048         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
6049         if_region_exit, if_region_get_condition_block,
6050         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
6051         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
6052         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
6053         ivtype_map_elt, new_ivtype_map_elt,
6054         recompute_all_dominators): Moved to sese.h.
6055
6056         * graphite-clast-to-gimple.c: New.
6057         * graphite-clast-to-gimple.h: New.
6058         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
6059         * sese.c: Modified as said above.
6060         * sese.h: Same.
6061
6062 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
6063
6064         * graphite.c: Split scop detection to a new file.
6065         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
6066         move_sd_regions, loop_affine_expr, exclude_component_ref,
6067         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
6068         graphite_cannot_represent_loop_niter, struct scopdet_info,
6069         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
6070         find_single_entry_edge, find_single_exit_edge,
6071         create_single_entry_edge, sd_region_without_exit,
6072         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
6073         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
6074         Moved to graphite-scop-detection.c.
6075
6076         * graphite-scop-detection.c: New.
6077         * graphite-scop-detection.h: New.
6078         * Makefile.in: Add new rule for graphite-scop-detection.o.
6079
6080         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
6081         tree-scalar-evolution.h.
6082         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
6083         build_sese_loop_nests): Moved here from graphite.c.
6084         (param_index): Renamed parameter_index_in_region.
6085
6086 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
6087             Sebastian Pop  <sebastian.pop@amd.com>
6088
6089         * gcc.dg/graphite/block-0.c: Expected to fail now.
6090         * gcc.dg/graphite/block-1.c: Same.
6091         * gcc.dg/graphite/block-5.c: Same.
6092         * gcc.dg/graphite/block-6.c: Same.
6093
6094 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
6095             Sebastian Pop  <sebastian.pop@amd.com>
6096
6097         * graphite.h: Separate from graphite_bb_p the polyhedral
6098         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
6099         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
6100         graphite-data-ref.h.
6101         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
6102         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
6103         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
6104         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
6105         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
6106         scop_nb_params): Moved to graphite-poly.h.
6107         * graphite-data-ref.c: Same.
6108         * graphite-data-ref.h: New.
6109         * graphite.c: Same.
6110         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
6111         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
6112         is_interchange_valid, graphite_trans_bb_block,
6113         graphite_trans_loop_block, scop_max_loop_depth,
6114         graphite_trans_scop_block, graphite_apply_transformations,
6115         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
6116         graphite-poly.c.
6117         * graphite-poly.h: New.
6118         * graphite-poly.c: New.
6119         * Makefile.in (OBJS-common): Add graphite-poly.o.
6120         (graphite-poly.o): New rule.
6121         * tree-data-ref.h (struct data_reference): Remove unused scop field.
6122         (DR_SCOP): Removed.
6123
6124 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
6125             Tobias Grosser  <grosser@fim.uni-passau.de>
6126
6127         * graphite.c: Replace gb -> gbb.
6128         * graphite.h: Same.
6129         * graphite-data-ref.c: Same.
6130
6131 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
6132             Tobias Grosser  <grosser@fim.uni-passau.de>
6133
6134         * Makefile.in (OBJS-commmon): Add sese.o.
6135         (sese.o): New.
6136         (graphite.o): Add sese.h.
6137         * graphite.c (bb_in_ss_p, loop_in_sese_p,
6138         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
6139         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
6140         Move to sese.
6141         (block_before_scop): Add missing return.
6142         (new_scop, free_scop): Remove SESE data structures.
6143         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
6144         find_scop_parameters, build_loop_iteration_domains,
6145         add_conditions_to_domain, register_scop_liveout_renames,
6146         copy_bb_and_scalar_dependences): Scop -> SESE.
6147
6148         (add_conditions_to_domain): SCoP -> SESE and remove check
6149         (scop_contains_non_iv_scalar_phi_nodes): New.
6150         (build_scop_conditions_1, build_scop_conditions): Remove check for
6151         non iv scalar phi nodes.
6152         (print_scop_statistics): New.
6153         (graphite_transform_loops): Cleanup.
6154
6155         * graphite.h: Move to sese & cleanup.
6156         * sese.c: New.
6157         * sese.h: New.
6158
6159 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6160             Tobias Grosser  <grosser@fim.uni-passau.de>
6161
6162         * graphite.c (build_scop_conditions_1): Conditions are only
6163         at the end of a basic block.
6164
6165 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6166             Tobias Grosser  <grosser@fim.uni-passau>
6167
6168         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
6169         field.
6170         (GBB_ALPHA): Removed.
6171
6172 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6173             Tobias Grosser  <grosser@fim.uni-passau.de>
6174
6175         * graphite-data-ref.c (graphite_test_dependence): Don't use
6176         GBB_DYNAMIC_SCHEDULE.
6177         * graphite.c (new_graphite_bb): Same.
6178         (free_graphite_bb): Same.
6179         (build_scop_dynamic_schedules): Removed.
6180         (graphite_transform_loops): Don't call it.
6181         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
6182         (GBB_DYNAMIC_SCHEDULE): Removed.
6183
6184 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6185             Tobias Grosser  <grosser@fim.uni-passau.de>
6186
6187         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
6188         (print_graphite_bb): Same.
6189         (build_cloog_prog): Same.
6190
6191 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6192             Tobias Grosser  <grosser@fim.uni-passau.de>
6193
6194         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
6195
6196 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6197             Tobias Grosser  <grosser@fim.uni-passau.de>
6198
6199         * graphite.c (build_scop_context): Don't use CloogMatrix.
6200         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
6201         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
6202
6203 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6204             Tobias Grosser  <grosser@fim.uni-passau.de>
6205
6206         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
6207         liveout_renames, add_params fields...
6208         (struct sese): ... here.
6209         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
6210         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
6211
6212 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6213             Tobias Grosser  <grosser@fim.uni-passau.de>
6214
6215         * graphite.c (print_scop): Do not print the CLooG program.
6216         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
6217         build_cloog_prog, gloog): Don't use SCOP_PROG.
6218         (find_transform): Renamed scop_to_clast.
6219         (print_generated_program, debug_generated_program): New.
6220         (graphite_transform_loops): Adapt to new interface.
6221         * graphite.h (struct scop): Remove program field.
6222         (SCOP_PROG): Removed.
6223         (print_generated_program, debug_generated_program): Declared.
6224
6225 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6226
6227         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
6228         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
6229         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
6230         free_graphite_bb, build_scop_canonical_schedules,
6231         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
6232         schedules are now represented using a ppl_Linear_Expression_t.
6233         * graphite.h (struct graphite_bb): Same.
6234         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
6235         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
6236
6237 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
6238
6239         * graphite.c: Free local memory.
6240         * graphite-ppl.c: Same.
6241
6242 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
6243
6244         * graphite.c (const_column_index, get_first_matching_sign_row_index,
6245         get_lower_bound_row, get_upper_bound_row, copy_constraint,
6246         swap_constraint_variables, scale_constraint_variable): Removed.
6247         (graphite_trans_bb_strip_mine): Remove pong.
6248         * graphite-ppl.c: Include missing header files.
6249         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
6250         * graphite-ppl.h (ppl_strip_loop): Declared.
6251         * Makefile.in (graphite-ppl.o): Adjust dependences.
6252
6253 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
6254
6255         * graphite.c (build_loop_iteration_domains): Remove ping pong.
6256         (build_scop_iteration_domain): Same.
6257
6258 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
6259
6260         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
6261         ping pong.
6262         (add_value_to_dim, scan_tree_for_params_right_scev,
6263         scan_tree_for_params_int): New.
6264         * graphite-ppl.c (oppose_constraint): New.
6265         (insert_constraint_into_matrix): Implement missing cases.
6266         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
6267
6268 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
6269
6270         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
6271         use ppl_move_dimension.
6272
6273 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
6274
6275         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
6276         * graphite.c: Same.
6277         * graphite.h: Same.
6278         * graphite-ppl.c: Same.
6279         * graphite-ppl.h: Same.
6280
6281 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
6282
6283         Revert last 3 commits.
6284
6285 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
6286
6287         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
6288         ping pong.
6289         (add_value_to_dim, scan_tree_for_params_right_scev,
6290         scan_tree_for_params_int): New.
6291         * graphite-ppl.c (oppose_constraint): New.
6292         (insert_constraint_into_matrix): Implement missing cases.
6293         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
6294
6295 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
6296
6297         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
6298
6299 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
6300             Tobias Grosser  <grosser@fim.uni-passau.de>
6301
6302         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
6303         use ppl_move_dimension.
6304         * graphite-ppl.c (ppl_move_dimension): New.
6305         * graphite-ppl.h (ppl_move_dimension): Declared.
6306
6307 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
6308
6309         * graphite.c: Do not include cloog/cloog.h.
6310         (print_graphite_bb): Remove ping pong, call PPL print function.
6311
6312 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6313
6314         * Makefile.in (OBJS-common): Add graphite-ppl.o.
6315         (graphite.o): Add dependence on graphite-ppl.h.
6316         (graphite-ppl.o): New.
6317         (graphite-data-ref.c): Ping pong between PPL data structures
6318         and matrices.
6319         * graphite-ppl.c: New.
6320         * graphite-ppl.h: New.
6321         * graphite.c: Include graphite-ppl.h.
6322         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
6323         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
6324         Ping pong between PPL data structures and matrices.
6325         (new_graphite_bb): Create a PPL constraint system.
6326         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
6327         (build_loop_iteration_domains): Use PPL functions.
6328         * graphite.h: Include graphite-ppl.h.  Fix comments.
6329         (graphite_bb): Use a ppl_Constraint_System_t instead of
6330         CloogMatrix for representing the domain.
6331         (scop): Remove static_schedule.
6332         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
6333
6334 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
6335
6336         * graphite.c: Fix some comments.
6337
6338 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
6339
6340         PR middle-end/38953
6341         * graphite.c (if_region_set_false_region): After moving a region
6342         in the false branch of a condition, remove the empty dummy
6343         basic block.
6344         (gloog): Remove wrong fix for PR38953.
6345
6346 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
6347
6348         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
6349         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
6350         register_bb_in_sese, new_sese, free_sese): Moved.
6351         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
6352         outermost_loop_in_scop, build_scop_iteration_domain,
6353         expand_scalar_variables_ssa_name, get_vdef_before_scop,
6354         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
6355         Use loop_in_sese_p instead of loop_in_scop_p.
6356         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
6357         (free_scop): Do not free SCOP_BBS_B.
6358         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
6359         ref_nb_loops): Moved here...
6360         * graphite.h (ref_nb_loops): ... from here.
6361         (struct scop): Remove bbs_b bitmap.
6362         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
6363         * gcc.dg/graphite/scop-19.c: New
6364
6365 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
6366
6367         * graphite.c (scopdet_basic_block_info): Fix bug in scop
6368         detection.
6369
6370 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
6371
6372         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6373         eq_loop_to_cloog_loop): Remove.
6374         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
6375         * graphite.h (struct scop): Remove loop2cloog_loop.
6376         (loop_domain_dim, loop_iteration_vector_dim): Remove.
6377
6378 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
6379
6380         * opts.c (decode_options): Only add graphite options to O2
6381         if we compile with graphite enabled.
6382
6383 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
6384
6385         * Merge from mainline (r143163:143684).
6386
6387 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
6388
6389         * graphite.c (debug_value): Removed.
6390         * graphite.h (debug_value): Removed.
6391
6392 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
6393
6394         * passes.c (init_optimization_passes): Do not call pass_copy_prop
6395         after graphite: pass_copy_prop does not maintain a proper loop closed
6396         SSA form.  pass_copy_prop should be fixed.
6397
6398 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
6399
6400         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
6401
6402 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
6403
6404         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6405         (gloog): Split the exit of the scop when the scop exit is a loop exit.
6406         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6407         changed the CFG.
6408
6409 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6410
6411         * graphite.c (gloog): Return true when code gen succeeded.
6412         (graphite_transform_loops): Do not call cleanup_tree_cfg if
6413         the code of the function did not changed.  After cleanup_tree_cfg
6414         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
6415         form.
6416
6417 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
6418
6419         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6420         gimple_call_lhs is NULL.
6421
6422 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6423             Tobias Grosser  <tobi.grosser@amd.com>
6424
6425         * graphite.c (graphite_trans_scop_block): Do not block single
6426         nested loops.
6427
6428 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6429             Tobias Grosser  <tobi.grosser@amd.com>
6430
6431         * graphite.c (build_scop_canonical_schedules): Start schedules at
6432         zero.
6433
6434 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6435             Tobias Grosser  <tobi.grosser@amd.com>
6436
6437         * graphite.c (compare_prefix_loops): New.
6438         (build_scop_canonical_schedules): Rewritten.
6439         (graphite_transform_loops): Move build_scop_canonical_schedules
6440         after build_scop_iteration_domain.
6441
6442 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6443             Tobias Grosser  <tobi.grosser@amd.com>
6444
6445         * graphite.c (add_conditions_to_domain): Add the loops to
6446         the dimension of the iteration domain.  Do copy the domain
6447         only when it exists.
6448         (build_scop_conditions_1): Do not call add_conditions_to_domain.
6449         (add_conditions_to_constraints): New.
6450         (can_generate_code_stmt, can_generate_code): Removed.
6451         (gloog): Do not call can_generate_code.
6452         (graphite_transform_loops): Call add_conditions_to_constraints
6453         after building the iteration domain.
6454
6455 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6456             Tobias Grosser  <tobi.grosser@amd.com>
6457             Jan Sjodin  <jan.sjodin@amd.com>
6458
6459         * graphite.c (scan_tree_for_params): On substractions negate
6460         all the coefficients of the term.
6461         (clast_to_gcc_expression_red): New.  Handle reduction expressions
6462         of more than two operands.
6463         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6464         (get_vdef_before_scop): Handle also the case of default definitions.
6465
6466 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6467
6468         PR middle-end/38431
6469         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6470         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6471         (gloog): Do not call cleanup_tree_cfg.
6472         (graphite_transform_loops): Call cleanup_tree_cfg after all
6473         scops have been code generated.
6474
6475 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6476
6477         * passes.c (init_optimization_passes): Schedule after
6478         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
6479
6480 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6481
6482         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
6483         Fix comment.
6484         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
6485         Set the type of an expression to the type of its assign statement.
6486         (expand_scalar_variables_expr):  Do not pass loop_p.
6487         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
6488         (copy_bb_and_scalar_dependences): Do not pass loop_p.
6489         (translate_clast): Update call to copy_bb_and_scalar_dependences.
6490
6491 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
6492
6493         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
6494         an expression to the gimple_expr_type of its assign statement.
6495         (expand_scalar_variables_expr): Stop recursion on tcc_constant
6496         or tcc_declaration.
6497
6498 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
6499
6500         PR tree-optimization/38786
6501         * gcc.dg/graphite/pr38786.c: New.
6502         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6503         the SSA_NAME case of expand_scalar_variables_expr.
6504         (expand_scalar_variables_expr): Also gather the scalar computation
6505         used to index the memory access.
6506         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6507         the gimple_stmt_iterator where it inserts new code.
6508
6509 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
6510
6511         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
6512
6513 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
6514
6515         * opts.c (decode_options): Enable flag_graphite_identity and
6516         flag_loop_block in -O2 and above.
6517
6518 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6519
6520         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
6521         Fix merge problem: replace with the file from trunk.
6522
6523 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6524
6525         * Merge from mainline (r141727:143163).
6526
6527 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
6528             Jan Sjodin  <jan.sjodin@amd.com>
6529
6530         PR tree-optimization/38559
6531         * gcc.dg/graphite/pr38559.c: New.
6532
6533         * graphite.c (debug_value, copy_constraint,
6534         swap_constraint_variables, scale_constraint_variable, ): New.
6535         (get_lower_bound, get_upper_bound): Removed.
6536         (graphite_trans_bb_strip_mine): Clean up this code that works
6537         only for constant number of iterations.  Fully copy upper and
6538         lower bound constraints, not only the constant part of them.
6539         * graphite.h (debug_value): Declared.
6540
6541 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
6542
6543         PR tree-optimization/38492
6544         PR tree-optimization/38498
6545         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6546         * tree-chrec.h (scev_is_linear_expression): Declared.
6547         * graphite.c (graphite_cannot_represent_loop_niter): New.
6548         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6549         (graphite_loop_normal_form): Use gcc_assert.
6550         (scan_tree_for_params): Use CASE_CONVERT.
6551         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6552         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6553         Use gcc_assert.  Discard scops that contain unhandled cases.
6554         (build_scop_conditions): Return a boolean status for unhandled cases.
6555         (strip_mine_profitable_p): Print the loop number, not its depth.
6556         (is_interchange_valid): Pass the depth of the loop nest, don't
6557         recompute it wrongly.
6558         (graphite_trans_bb_block): Same.
6559         (graphite_trans_bb_block): Print tentative of loop blocking.
6560         (graphite_trans_scop_block): Do not print that the loop has been
6561         blocked.
6562         (graphite_transform_loops): Do not handle scops that contain condition
6563         scalar phi nodes.
6564
6565         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
6566         in trunk.
6567         * gcc.dg/graphite/block-0.c: Update test.
6568         * gcc.dg/graphite/block-1.c: Same.
6569         * gcc.dg/graphite/block-2.c: Remove xfail and test for
6570         blocking.
6571         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
6572         * gcc.dg/graphite/block-3.c: New.
6573         * gcc.dg/graphite/pr38498.c: New.
6574
6575 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
6576
6577         PR tree-optimization/38510
6578         * gcc.dg/graphite/pr38510.c: New.
6579         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
6580           (translate_clast): Call recompute_all_dominators before
6581           graphite_verify.
6582           (gloog): Call recompute_all_dominators before graphite_verify.
6583
6584 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6585
6586         PR tree-optimization/38492
6587         * graphite.c (rename_map_elt, debug_rename_elt,
6588         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
6589         rename_map_elt_info, eq_rename_map_elts,
6590         get_new_name_from_old_name, bb_in_sese_p): Moved around.
6591         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
6592         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
6593         (sese_build_livein_liveouts): New.
6594         (new_sese, free_sese): New.
6595         (new_scop): Call new_sese.
6596         (free_scop): Call free_sese.
6597         (rename_variables_from_edge, rename_phis_end_scop): Removed.
6598         (register_old_new_names): Renamed register_old_and_new_names.
6599         (register_scop_liveout_renames, add_loop_exit_phis,
6600         insert_loop_close_phis, struct igp,
6601         default_liveout_before_guard, add_guard_exit_phis,
6602         insert_guard_phis, copy_renames): New.
6603         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
6604         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
6605         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
6606         (scop_adjust_phis_for_liveouts): New.
6607         (gloog): Call scop_adjust_phis_for_liveouts.
6608
6609         * graphite.h (struct sese): Documented.  Added fields liveout,
6610         num_ver and livein.
6611         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
6612         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
6613         (struct scop): Added field liveout_renames.
6614         (SCOP_LIVEOUT_RENAMES): New.
6615
6616 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6617
6618         PR tree-optimization/38409
6619         * gcc.dg/graphite/pr38409.c: New.
6620         * graphite.c (nb_reductions_in_loop): Use simple_iv.
6621
6622 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6623
6624         * graphite.c (gcc_type_for_cloog_iv): By default return
6625         integer_type_node.
6626         (graphite_create_new_loop): Don't fold_convert the already
6627         fold_convert-ed expression.
6628
6629 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
6630
6631         PR tree-optimization/38446
6632         * gcc.dg/graphite/pr38446.c: New.
6633         * graphite.c (register_bb_in_sese): New.
6634         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
6635         looking at the bbs in the region.
6636         * graphite.h (sese): Add region_basic_blocks pointer set to
6637         structure and initialize at the time of defining new scop.
6638
6639 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6640
6641         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
6642         (find_params_in_bb): Do not free data refs.
6643         (free_graphite_bb): Add FIXME on disabled free_data_refs.
6644
6645 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6646
6647         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
6648         * gcc.dg/graphite/scop-17.c: Same.
6649         * gcc.dg/graphite/block-5.c: New.
6650         * gcc.dg/graphite/block-6.c: New.
6651         * gcc.dg/graphite/pr37485.c: Clean dump file after.
6652         * gcc.dg/graphite/pr37684.c: Same.
6653         * gcc.dg/graphite/block-2.c: Same.
6654
6655         * graphite.c (struct ivtype_map_elt): New.
6656         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
6657         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
6658         gcc_type_for_cloog_iv): New.
6659         (loop_iv_stack_patch_for_consts): Use the type of the induction
6660         variable from the original loop, except for the automatically
6661         generated loops, i.e., in the case of a strip-mined loop, in
6662         which case there is no original loop: in that case just use
6663         integer_type_node.
6664         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
6665         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
6666         (clast_name_to_gcc): Accept params to be NULL.
6667         (clast_to_gcc_expression): Take an extra parameter for the type.
6668         Convert to that type all the expressions built by this function.
6669         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
6670         (graphite_translate_clast_equation): Compute the type of the
6671         clast_equation before translating its LHS and RHS.
6672         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
6673         (graphite_create_new_loop): Compute the type of the induction
6674         variable before translating the lower and upper bounds and before
6675         creating the induction variable.
6676         (rename_variables_from_edge, rename_phis_end_scop): New.
6677         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
6678         (sese_add_exit_phis_edge): Do not use integer_zero_node.
6679         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
6680         compute_cloog_iv_types): New.
6681         (gloog): Call compute_cloog_iv_types before starting the
6682         translation of the clast.
6683
6684         * graphite.h (struct graphite_bb): New field cloog_iv_types.
6685         (GBB_CLOOG_IV_TYPES): New.
6686         (debug_ivtype_map): Declared.
6687         (oldiv_for_loop): New.
6688
6689 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6690
6691         PR middle-end/38459
6692         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
6693         (param_index): Assert if parameter is not know after parameter
6694         detection.
6695         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
6696         (find_scop_parameters): Mark, that we have finished parameter
6697         detection.
6698         (graphite_transform_loops): Move condition detection before parameter
6699         detection.
6700         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
6701         * gfortran.dg/graphite/pr38459.f90: New.
6702
6703 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6704
6705         * graphite.c (graphite_transform_loops): Always call find_transform ()
6706         in ENABLE_CHECKING.  So we test these code paths, even if we do not
6707         generate code.
6708
6709 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6710
6711         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
6712         (print_scop): Ditto.
6713
6714 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6715
6716         PR middle-end/38084
6717         Fix gfortran.dg/graphite/id-3.f90.
6718         * graphite.c (scopdet_basic_block_info): Fix bug that found some
6719         regions more than once.
6720
6721 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6722
6723         Fix gfortran.dg/graphite/id-4.f90.
6724         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
6725         when not needed.
6726
6727 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6728
6729         Fix gfortran.dg/graphite/id-1.f90.
6730         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
6731         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
6732         (max_precision_type): New.
6733         (value_clast): Removed.
6734         (clast_to_gcc_expression): Be more careful to types of expressions.
6735         Use max_precision_type and update use of gmp_cst_to_tree.
6736         (graphite_translate_clast_equation): Use max_precision_type.
6737         (graphite_create_guard_cond_expr): Do not use integer_type_node,
6738         use the type of the condition.
6739         (graphite_create_new_loop): Do not use integer_type_node, use the
6740         max_precision_type of lb and ub.
6741
6742 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6743
6744         * graphite.c (build_scops_1): Initialize open_scop.exit
6745         and sinfo.last.
6746
6747 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6748
6749         * gcc.dg/graphite/pr38084.c: New.
6750         * gfortran.dg/graphite/id-1.f90: New.
6751         * gfortran.dg/graphite/id-2.f90: New.
6752         * gfortran.dg/graphite/id-3.f90: New.
6753         * gfortran.dg/graphite/id-4.f90: New.
6754         * gfortran.dg/graphite/pr37857.f90: New.
6755
6756 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6757             Jan Sjodin  <jan.sjodin@amd.com>
6758             Harsha Jagasia  <harsha.jagasia@amd.com>
6759
6760         PR middle-end/37852
6761         PR middle-end/37883
6762         PR middle-end/37928
6763         PR middle-end/37980
6764         PR middle-end/38038
6765         PR middle-end/38039
6766         PR middle-end/38073
6767         PR middle-end/38083
6768         PR middle-end/38125
6769
6770         * gcc.dg/graphite/pr38073.c: New.
6771         * gcc.dg/graphite/pr37928.c: New.
6772         * gcc.dg/graphite/pr37883.c: New.
6773         * gcc.dg/graphite/pr38125.c: New.
6774         * gfortran.dg/graphite/pr38083.f90: New.
6775         * gfortran.dg/graphite/pr37852.f90: New.
6776         * gfortran.dg/graphite/pr37980.f90: New.
6777
6778         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
6779         the number of detected scops.  Copy exact same test for loop
6780         blocking...
6781         * gcc.dg/graphite/block-1.c: Fix the number of expected
6782         loops to be blocked as reductions are not handled.
6783         * gcc.dg/graphite/block-4.c: ...here.  New.
6784
6785         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
6786         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
6787         ...here.
6788         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
6789         * Makefile.in (graphite.o): Depend on value-prof.h.
6790         (graphite.o-warn): Removed -Wno-error.
6791         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
6792         to be a NULL pointer.  Call update_stmt.  Return the newly created
6793         cannonical induction variable.
6794
6795         * graphite.h (debug_rename_map): Declared.  Fix some comments.
6796
6797         * graphite.c: Reimplement the code generation from graphite to gimple.
6798         Include value-prof.h.
6799         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
6800         (get_old_iv_from_ssa_name): Removed.
6801         (graphite_stmt_p): New.
6802         (new_graphite_bb): Test for useful statements before building a
6803         graphite statement for the basic block.
6804         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
6805         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
6806         reason.
6807         (recompute_all_dominators, graphite_verify,
6808         nb_reductions_in_loop, graphite_loop_normal_form): New.
6809         (scop_record_loop): Call graphite_loop_normal_form.
6810         (build_scop_loop_nests): Iterate over all the blocks of the
6811         function instead of relying on the incomplete information from
6812         SCOP_BBS.  Return the success of the operation.
6813         (find_params_in_bb): Use the data from GBB_DATA_REFS.
6814         (add_bb_domains): Removed.
6815         (build_loop_iteration_domains): Don't call add_bb_domains.
6816         Add the iteration domain only to the basic blocks that have been
6817         translated to graphite.
6818         (build_scop_conditions_1): Add constraints only if the basic
6819         block have been translated to graphite.
6820         (build_scop_data_accesses): Completely disabled until data
6821         dependence is correctly implemented.
6822         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
6823         (remove_all_edges_1, remove_all_edges): Removed.
6824         (get_new_name_from_old_name): New.
6825         (graphite_rename_variables_in_stmt): Renamed
6826         rename_variables_in_stmt.  Call get_new_name_from_old_name.
6827         Use replace_exp and update_stmt.
6828         (is_old_iv): Renamed is_iv.
6829         (expand_scalar_variables_stmt): Extra parameter for renaming map.
6830         Use replace_exp and update_stmt.
6831         (expand_scalar_variables_expr): Same.  Use the map to get the
6832         new names for the renaming of induction variables and for the
6833         renaming of variables after a basic block has been copied.
6834         (expand_scalar_variables): Same.
6835         (graphite_rename_variables): Renamed rename_variables.
6836         (move_phi_nodes): Removed.
6837         (get_false_edge_from_guard_bb): New.
6838         (build_iv_mapping): Do not insert the induction variable of a
6839         loop in the renaming iv map if the basic block does not belong
6840         to that loop.
6841         (register_old_new_names, graphite_copy_stmts_from_block,
6842         copy_bb_and_scalar_dependences): New.
6843         (translate_clast): Heavily reimplemented: copy basic blocks,
6844         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
6845         At each translation step call graphite_verify ensuring the
6846         consistency of the SSA, loops and dominators information.
6847         (collect_virtual_phis, find_vdef_for_var_in_bb,
6848         find_vdef_for_var_1, find_vdef_for_var,
6849         patch_phis_for_virtual_defs): Removed huge hack.
6850         (mark_old_loops, remove_dead_loops, skip_phi_defs,
6851         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
6852         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
6853         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
6854         if_region_get_condition_block, if_region_set_false_region,
6855         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
6856         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
6857         sese_add_exit_phis_edge, sese_add_exit_phis_var,
6858         rewrite_into_sese_closed_ssa): New.
6859         (gloog): Remove dead code.  Early return if code cannot be
6860         generated.  Call cleanup_tree_cfg once the scop has been code
6861         generated.
6862         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
6863         block loops with less than two loops.
6864         (graphite_apply_transformations): Remove the call to
6865         scop_remove_ignoreable_gbbs.
6866         (limit_scops): When build_scop_loop_nests fails, continue on
6867         the next scop.  Fix open_scop.entry.
6868         (graphite_transform_loops): Call recompute_all_dominators: force the
6869         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
6870         Call initialize_original_copy_tables and free_original_copy_tables
6871         to be able to copy basic blocks during code generation.
6872         When build_scop_loop_nests fails, continue on next scop.
6873         (value_clast): New union.
6874         (clast_to_gcc_expression): Fix type cast warning.
6875
6876 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
6877
6878         * Merge from mainline (r140838:141727).
6879
6880 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6881
6882         PR middle-end/37833
6883
6884         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
6885
6886 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6887
6888         PR middle-end/37943
6889
6890         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
6891         exits and conditions.
6892         * gcc.dg/graphite/pr37943.c: New.
6893
6894 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6895
6896         PR middle-end/37886
6897         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
6898
6899 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6900
6901         * doc/invoke.texi: Fix spaces.
6902
6903 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
6904
6905         PR tree-optimization/37891
6906         Reverted last commit.
6907         * graphite.c (create_single_entry_edge): Set
6908         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6909
6910 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
6911             Mitul Thakkar  <mitul.thakkar@amd.com>
6912
6913         * graphite.c (create_single_entry_edge): Set
6914         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6915
6916 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6917
6918         * doc/invoke.texi: Add -fgraphite-identity.
6919         * graphite.c (graphite_apply_transformations): Check for
6920         -fgraphite-identity.
6921         * toplev.c (process_options): Add flag_graphite_identity.
6922         * tree-ssa-loop.c: Add flag_graphite_identity.
6923
6924 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6925
6926         Undo changes from 2008-10-02:
6927         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6928         operand type when copying the operand to a variable of different type.
6929         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6930         with the IV name after increment.
6931
6932 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6933             Harsha Jagasia  <harsha.jagasia@amd.com>
6934
6935         PR tree-optimization/37828
6936         * gcc.dg/graphite/pr37828.c: New.
6937         * graphite.c (graphite_trans_loop_block): Do not loop block
6938         single nested loops.
6939
6940 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
6941             Sebastian Pop  <sebastian.pop@amd.com>
6942
6943         * graphite.c (struct rename_map_elt, new_rename_map_elt,
6944         rename_map_elt_info, eq_rename_map_elts): New.
6945         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
6946         (expand_scalar_variables_expr): Change parameters.
6947         (expand_scalar_variables_stmt): Same.
6948         (expand_scalar_variables): Same.
6949         (graphite_rename_ivs): Rename graphite_rename_variables.
6950         (build_iv_mapping): New.
6951         (translate_clast): Call build_iv_mapping.
6952         * graphite.h (gbb_p): New name.
6953
6954 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
6955
6956         PR tree-optimization/37684
6957         * gcc.dg/graphite/pr37684.c: New.
6958         * graphite.c (exclude_component_ref): New.
6959         (is_simple_operand): Call exclude_component_ref.
6960
6961 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
6962             Harsha Jagasia  <harsha.jagasia@amd.com>
6963
6964         PR tree-optimization/37485
6965         * gcc.dg/graphite/block-2.c: New
6966         * graphite.c (gmp_cst_to_tree): Moved.
6967         (iv_stack_entry_is_constant): New.
6968         (iv_stack_entry_is_iv): New.
6969         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
6970         (loop_iv_stack_insert_constant): New.
6971         (loop_iv_stack_pop): Use new datatpype.
6972         (loop_iv_stack_get_iv): Same.
6973         (loop_iv_stack_get_iv_from_name): Same.
6974         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
6975         (loop_iv_stack_patch_for_consts): New.
6976         (loop_iv_stack_remove_constants): New.
6977         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
6978         (translate_clast): Call loop_iv_stack_patch_for_consts and
6979         loop_iv_stack_remove_constants.
6980         (gloog): Use new datatype.  Redirect construction edge to end
6981         block to avoid accidental deletion.
6982         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
6983         iv stack entry.
6984         (union iv_stack_entry_data): New.  Data in iv stack entry.
6985         (struct iv_stack_entry): New.  Datatype for iv stack entries.
6986
6987 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6988
6989         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6990         operand type when copying the operand to a variable of different type.
6991
6992 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6993
6994         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6995         with the IV name after increment.
6996
6997 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6998
6999         * Merge from mainline (r140164:140838).
7000
7001 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7002
7003         * graphite-data-ref.c: New.
7004         * graphite.c (print_scop): Also dump the dependence graph.
7005         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
7006         (new_scop): Initialize SCOP_DEP_GRAPH.
7007         (build_scop_dynamic_schedules): New.
7008         (build_access_matrix_with_af): Fixed column numbering.
7009         (graphite_transform_loops): Call build_scop_dynamic_schedules.
7010         * graphite.h: Add ifndef/define guards against multiple inclusion.
7011         (struct scop): Add dep_graph field.
7012         (SCOP_DEP_GRAPH): Defined.
7013         (ref_nb_loops): Fixed and moved to other position.
7014         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
7015         (nb_loops_around_loop_in_scop): New.
7016         (graphite_dump_dependence_graph): Declared.
7017         (graphite_build_rdg_all_levels): Declared.
7018         (graphite_test_dependence): Declared.
7019         * Makefile.in (graphite-data-ref.o): New target.
7020
7021 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
7022
7023         * Merge from mainline (139870:140164).
7024
7025 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
7026
7027         * Merge from mainline (138275:139870).
7028         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
7029         the commits from trunk broke the niter detection.
7030
7031 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
7032
7033         * graphite.c: Add more documentation.  Fix formatting.
7034         (debug_loop_vec, debug_oldivs, loop_iv_stack,
7035         loop_iv_stack_debug): Moved...
7036         (schedule_to_scattering): Move before use.
7037         (dot_all_scops): Include in "#if 0" the code for system
7038         call dotty.
7039
7040         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
7041         loop_iv_stack_debug): ...here.
7042
7043 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
7044
7045         * tree-phinodes.c (make_phi_node): Extern.
7046         (add_phi_node_to_bb): New.
7047         (create_phi_node): Call add_phi_node_to_bb.
7048         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
7049         (remove_statement): Handle case where stored phi was updated
7050         and is no longer the same.
7051         * graphite.c (is_parameter): New.
7052         (is_old_iv): New.
7053         (expand_scalar_variables_expr): New.
7054         (expand_scalar_variables_stmt): New.
7055         (expand_scalar_variables): New.
7056         (move_phi_nodes): Create new phi instead of moving old one.
7057         (translate_clast): Call expand_scalar_variables.
7058         (find_vdef_for_var_in_bb): Also scan regular definitions.
7059         (skip_phi_defs): New.
7060         (collect_scop_exit_phi_args): New.
7061         (patch_scop_exit_phi_args): New.
7062         (gloog): Patch phis after scop.
7063         * tree-flow.h: (add_phi_node_to_bb): Declared.
7064         (make_phi_node): Declared.
7065
7066 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
7067
7068         * graphite.c (end_scop): Split the entry of the scop when it
7069         is the header of the loop in which the scop is ending.
7070         (build_scops_1, limit_scops): Update uses of end_scop.
7071
7072 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
7073
7074         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
7075         SCOP_ENTRY or SCOP_EXIT.
7076
7077 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7078
7079         * graphite.c (get_construction_edge): Removed.
7080         (gloog): Construction edge is the scop entry edge.
7081
7082 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7083
7084         * graphite.c (can_generate_for_scop): Removed.
7085         (gloog): Do not call it.
7086
7087 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7088
7089         * graphite.c (new_scop): Entry of a scop is an edge.
7090         Initialize SESE region.
7091         (free_scop): Free SESE region.
7092         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
7093         (split_difficult_bb): New, split from end_scop.
7094         (end_scop): Exit of a scop is an edge.
7095         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
7096         not automatically updated and thus is always wrong.
7097         * graphite.h (struct sese): New.
7098         (SESE_ENTRY): New.
7099         (SESE_EXIT): New.
7100         (struct scop): New field for a SESE region.  Remove entry, exit.
7101         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
7102         semantics as before.  Moved comment around.
7103
7104 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
7105             Sebastian Pop  <sebastian.pop@amd.com>
7106
7107         * graphite.c (graphite_transform_loops): Always enable gloog
7108         and find_transform when ENABLE_CHECKING.
7109
7110 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7111
7112         * graphite.c (graphite_transform_loops): Move pretty printer
7113         of SCOPs before doing any transform.  Remove call to print_scops
7114         and dot_all_scops_1.
7115
7116 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7117
7118         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
7119         (print_graphite_bb): Same.
7120
7121 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7122
7123         * graphite.c (dot_all_scops_1): Cleanup.
7124         (move_scops): Fix comment.
7125
7126 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7127
7128         * graphite.c (build_scop_bbs): Revert commit 139355:
7129
7130         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7131                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7132
7133                 * graphite.c (build_scop_bbs): Factor up code.
7134
7135 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
7136
7137         * graphite.c (gloog): Update dominator info.
7138
7139 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
7140
7141         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
7142
7143 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
7144
7145         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
7146         initialization.
7147         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
7148         (translate_clast): Correct formatting.
7149         * graphite.h (struct num_map): Removed.
7150         (struct graphite_bb): Remove num_map field.
7151         (GBB_INDEX_TO_NUM_MAP): Removed.
7152
7153 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
7154
7155         * graphite.c (build_access_matrix_with_af): Fix comments.
7156         (build_scop_data_accesses): Same.
7157
7158 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
7159
7160         * graphite.c (build_scop_data_accesses): Don't construct
7161         access matrices.  Add a FIXME and an assert condition that
7162         should pass when the access matrices will be needed.
7163
7164 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
7165
7166         * tree-data-ref.c (stmt_simple_memref_p): Don't call
7167         really_constant_p.
7168         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
7169         Moved close by free_graphite_bb.
7170         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
7171         (new_scop): Move close by free_scop.
7172         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
7173
7174 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
7175
7176         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
7177         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
7178         instead of recursive call.
7179         (graphite_translate_clast_equation): New.
7180         (graphite_create_guard_cond_expr): New.
7181         (graphite_create_new_guard): New.
7182         (get_stack_index_from_iv): Removed.
7183         (graphite_rename_ivs_stmt): Use gbb_loop_index.
7184         (get_true_edge_from_guard_bb): New.
7185         (translate_clast): Handle stmt_guard in clast.
7186         (get_construction_edge): Allow construction edge detection for
7187         a scope entry with multiple predecessors if one predecessor is
7188         the immediate dominator of scope entry.
7189         (can_generate_code_stmt): Enable code generation for clast_guard.
7190         (gloog): Use correct context loop.  Removed check for post dominators.
7191         * cfgloop.h (create_empty_if_region_on_edge): Declared.
7192
7193 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
7194
7195         * graphite.c (remove_dead_loops): Document better which
7196         loops are removed.
7197
7198 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
7199
7200         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
7201         and PPLINC.
7202         (graphite.o): Also depends on pointer-set.h.
7203
7204 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
7205
7206         * graphite.c (scop_record_loop): Fix compile warning.
7207
7208 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
7209             Sebastian Pop  <sebastian.pop@amd.com>
7210
7211         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
7212
7213 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
7214
7215         * graphite.c (build_graphite_bb): Initialize bb->aux to
7216         point to the graphite_bb_p.
7217         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
7218         content of bb->aux.
7219         (add_bb_domains): Does not use the scop parameter.
7220         (graphite_transform_loops): Clean bb->aux at the end.
7221
7222 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7223             Sebastian Pop  <sebastian.pop@amd.com>
7224
7225         * lib/target-supports.exp
7226         (check_effective_target_fgraphite): New.
7227
7228         * gcc.dg/graphite/graphite.exp: Early exit when
7229         check_effective_target_fgraphite returns false.
7230         Set dg-do-what-default to compile.
7231         (scan-graphite-dump-times): Removed.
7232         * gfortran.dg/graphite/graphite.exp: Same.
7233
7234         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
7235         Use scan-tree-dump-times instead of scan-graphite-dump-times.
7236         * gcc.dg/graphite/scop-1.c: Same.
7237         * gcc.dg/graphite/scop-2.c: Same.
7238         * gcc.dg/graphite/scop-3.c: Same.
7239         * gcc.dg/graphite/scop-4.c: Same.
7240         * gcc.dg/graphite/scop-5.c: Same.
7241         * gcc.dg/graphite/scop-6.c: Same.
7242         * gcc.dg/graphite/scop-7.c: Same.
7243         * gcc.dg/graphite/scop-8.c: Same.
7244         * gcc.dg/graphite/scop-9.c: Same.
7245         * gcc.dg/graphite/scop-10.c: Same.
7246         * gcc.dg/graphite/scop-11.c: Same.
7247         * gcc.dg/graphite/scop-12.c: Same.
7248         * gcc.dg/graphite/scop-13.c: Same.
7249         * gcc.dg/graphite/scop-matmult.c: Same.
7250         * gcc.dg/graphite/scop-14.c: Same.
7251         * gcc.dg/graphite/scop-15.c: Same.
7252         * gcc.dg/graphite/block-0.c: Same.
7253         * gcc.dg/graphite/scop-16.c: Same.
7254         * gcc.dg/graphite/block-1.c: Same.
7255         * gcc.dg/graphite/scop-17.c: Same.
7256         * gcc.dg/graphite/scop-18.c: Same.
7257         * gfortran.dg/graphite/block-1.f90: Same.
7258         * gfortran.dg/graphite/scop-1.f: Same.
7259         * gfortran.dg/graphite/block-2.f: Same.
7260
7261 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7262
7263         * graphite.c: Fix some XXX comments.
7264         (build_scop_dynamic_schedules): Removed.
7265
7266 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7267
7268         * graphite.h (scop_max_loop_depth): Moved...
7269         * graphite.c (scop_max_loop_depth): ...here.
7270         (remove_all_edges_1): New.
7271         (remove_all_edges): Factored code.
7272         (remove_cond_exprs): Check only the last statement for
7273         a GIMPLE_COND expression.
7274
7275 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7276
7277         * graphite.c (scan_tree_for_params): Early return when the
7278         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
7279         (find_scop_parameters): Factor out code.
7280         (graphite_trans_bb_strip_mine): Remove dead code.
7281
7282 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7283
7284         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
7285         graphite_trans_bb_move_loop): Factor asserts.
7286         (gloog): Perform sanity checks only for ENABLE_CHECKING.
7287         Do not call calculate_dominance_info and estimate_bb_frequencies.
7288
7289 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
7290
7291         * graphite.c (create_loops_mapping, free_loops_mapping,
7292         create_loops_mapping_num, debug_loop_mapping_1,
7293         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
7294         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
7295         graphite_loops_mapping_add_child_num,
7296         graphite_loops_mapping_insert_child,
7297         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
7298         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
7299         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
7300         create_num_from_index, get_num_from_index,
7301         swap_loop_mapped_depth): Removed.
7302         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
7303         (free_scop): Do not call free_loops_mapping.
7304         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
7305         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
7306         get_loop_mapped_depth.
7307         (graphite_trans_bb_move_loop): Do not update the loop mapping.
7308         (graphite_trans_bb_strip_mine): Same.
7309         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
7310         (struct scop): Remove field loops_mapping.
7311
7312 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7313             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7314
7315         * graphite.c (scop_record_loop): Factor out one level of the
7316         condition by early return.
7317         (build_scop_loop_nests): Format following FSF coding style.
7318         (build_scop_dynamic_schedules): Factor out code.
7319         (scopdet_bb_info): Reindent.  Default case should not be reachable.
7320
7321 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7322             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7323
7324         * graphite.c (loop_affine_expr): Check for DECL_P or struct
7325         assignments that are not handled as simple operands for now.
7326
7327 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7328             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7329
7330         * graphite.c (build_scop_bbs): Factor up code.
7331
7332 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7333             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7334
7335         * graphite.c (stmt_simple_for_scop_p): Factor code out
7336         of the loop.
7337         (enum gbb_type): New.  Group all the GBB_* types under it.
7338         (is_loop_exit): Moved...
7339         (end_scop): Enable BB spliting.
7340         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
7341         * cfgloop.h (is_loop_exit): Declared.
7342
7343 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7344
7345         * doc/invoke.texi: Remove strides from examples containing
7346         DO loops when the strides are equal to 1.
7347
7348 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
7349             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7350
7351         * graphite.c (graphite_trans_scop_block): Or the result with
7352         the result from graphite_trans_loop_block.
7353         * gcc.dg/graphite/block-1.c: New.
7354         * gfortran.dg/graphite/block-1.f90: New.
7355         * gfortran.dg/graphite/block-2.f: New.
7356
7357 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7358
7359         * graphite.c (graphite_transform_loops): Call cloog_initialize
7360         and cloog_finalize.
7361
7362 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7363
7364         * tree-data-ref.c) (stmt_simple_memref_p): New.
7365         * tree-data-ref.h (stmt_simple_memref_p): Declared.
7366         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
7367         (is_simple_operand): Call stmt_simple_memref_p.
7368
7369         * gcc.dg/graphite/scop-matmult.c: Updated for not
7370         using pointer arithmetic, as this is optimized by PRE and
7371         makes the code too difficult to analyze.
7372
7373         * gcc.dg/graphite/scop-18.c: Same.
7374
7375 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7376
7377         * gdbinit.in (pgg): New.
7378
7379 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7380
7381         * graphite.c (graphite_trans_loop_block): Fix warning.
7382
7383 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7384
7385         * graphite.c (graphite_trans_loop_block): Fix my merge error.
7386
7387 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7388
7389         * graphite.c (graphite_trans_bb_block): Remove check for
7390         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
7391         Check if loop blocking is profitable for every loop, before applying
7392         the changes.
7393         (graphite_apply_transformations): Call graphite_trans_bb_block only,
7394         if flag_loop_block is set.
7395
7396 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7397
7398         * graphite.c: Add some more documentation for the loop
7399         mapping.
7400
7401 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7402
7403         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
7404         * graphite.c: Format on less than 80 columns.
7405         * graphite.h: Same.
7406
7407 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7408
7409         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
7410
7411 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7412
7413         * doc/invoke.texi (floop-block, floop-strip-mine,
7414         floop-interchange): Update documentation with examples.
7415
7416 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
7417
7418         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
7419         add_referenced_var.
7420         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
7421
7422 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
7423
7424         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
7425         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
7426         * tree-scalar-evolution.c: Revert useless changes.
7427         * tree-phinodes.c: Same.
7428         * cfghooks.c: Same.
7429         * vec.h: Same.
7430         * tree-vectorizer.h: Same.
7431         * tree-flow.h: Same.
7432         * tree-cfg.c: Same.
7433         * common.opt (fgraphite): Update documentation.
7434
7435 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
7436
7437         * doc/invoke.texi (-floop-block, -floop-strip-mine,
7438         -floop-interchange): Add more text for explaining what each of these
7439         flags is doing.
7440         * tree-into-ssa.c (gimple_vec): Moved to...
7441         * graphite.c: Include gimple.h.
7442         (gimple_vec): Moved to...
7443         (del_loop_to_cloog_loop): Removed.
7444         (loop_affine_expr): Do not call create_data_ref when the
7445         operand is a constant.
7446         (new_scop): Use free instead of del_loop_to_cloog_loop.
7447         * Makefile.in (graphite.o): Depend on GIMPLE_H.
7448         * gimple.h (gimple_vec): ... here.
7449
7450 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7451
7452         * graphite.c (scopdet_bb_info): Only allow loops with known number of
7453         latch executions.
7454         (build_loop_iteration_domains): Fail, if latch executions unknown.
7455
7456 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7457
7458         * graphite.c (add_conditions_to_domain): New.
7459         (build_scop_conditions_1): Call add_conditions_to_domain.
7460         (set_cloog_options): Allow to disable optimizations.
7461
7462 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7463
7464         * graphite.c (find_params_in_bb): Look for parameters in conditions.
7465         Do not use walk_dominator_tree.
7466         (find_scop_parameters): Do not use walk_dominator_tree.
7467
7468 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7469
7470         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
7471         (idx_record_params): Adapt.
7472         * graphite.h (scop_gimple_loop_depth): New.
7473
7474 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7475
7476         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
7477         (scan_tree_for_params): Remove value_init.
7478         (build_scop_context): Remove value_init.
7479         (build_loop_iteration_domains): Remove value_init.
7480         (schedule_to_scattering): Remove value_init.
7481         (graphite_trans_bb_strip_mine): Remove value_init.
7482
7483 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7484
7485         * gcc/graphite.c (limit_scops): New.
7486         (graphite_transform_loops): Add limit SCoPs.
7487         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
7488         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
7489         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
7490         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
7491         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
7492         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
7493         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
7494         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
7495         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
7496         Change loop numbers.
7497         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
7498         Change loop numbers.
7499         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
7500         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
7501         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
7502         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
7503         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
7504         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
7505         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
7506         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
7507         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
7508         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
7509
7510 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7511
7512         * graphite.c (graphite_transform_loops): Call always find_transform.
7513
7514 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
7515
7516         * graphite.c (free_loops_mapping): New.
7517         (stmt_simple_for_scop_p): Fix typo.
7518         (stmt_simple_for_scop_p): Fix tuples functions, that
7519         broke polyhedron.
7520         (free_graphite_bb): Fix some memleaks.
7521         (free_scop): Fix some memleaks.
7522         (scopdet_bb_info): Do not forget some tmp SCoPs.
7523         (find_params_in_bb): Fix some memleaks.
7524         (clast_to_gcc_expression): Fix warning.
7525
7526 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
7527
7528         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
7529         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
7530
7531 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
7532
7533         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
7534         Move code ifdef-ed HAVE_cloog...
7535         * graphite.c: Include toplev.h.
7536         ... here.
7537         * Makefile.in (OBJS-common): Always build graphite.o.
7538         (BACKEND): Remove @GRAPHITE@.
7539         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
7540         (graphite.o): Depend on TOPLEV_H.
7541
7542 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
7543
7544         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
7545         Remove typo left from polylib to ppl conversion.
7546         * graphite.c (graphite_transforms): Use sorry instead of fatal.
7547
7548 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
7549
7550         * toplev.c (process_options): Move the graphite loop optimization
7551         flags...
7552         * tree-ssa-loop.c (graphite_transforms): ... here.
7553         When not configured with CLooG, print to dump_file that
7554         Graphite transforms were not performed.
7555         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
7556         New.
7557         * gcc.dg/graphite/*.c: Updated all testcases to use
7558         scan-graphite-dump-times.
7559
7560 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
7561
7562         * graphite.c (dot_scop, dot_all_scops): Do not call system.
7563         Do not open /tmp/scop.dot and /tmp/allscops.dot.
7564
7565 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
7566             Jan Sjodin  <jan.sjodin@amd.com>
7567
7568         * configure: Regenerated.
7569         * omp-low.c (expand_omp_sections): Remove now unused code.
7570         * config.in (HAVE_polylib): Removed.
7571         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
7572         (PPLLIBS, PPLINC): Added.
7573         * graphite.c: Replace unsigned with int wherever possible.
7574         Don't access Cloog's data structures, but use accessor functions.
7575         Clast's stmt->type is now implemented as a vtable: change the
7576         switches of stmt->type into ifs.
7577         (polylib/polylibgmp.h): Don't include.
7578         (initialize_dependence_polyhedron,
7579         initialize_data_dependence_polyhedron, is_empty_polyhedron,
7580         statement_precedes_p, test_dependence, build_rdg_all_levels,
7581         dump_dependence_graph): Removed until this code is cleaned up
7582         or ported to Cloog.
7583         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
7584         (POLYLIBINC): Renamed PPLINC.
7585
7586 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
7587             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7588             Jan Sjodin  <jan.sjodin@amd.com>
7589
7590         Finish the merge and tuplification of graphite.
7591
7592 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
7593             Jan Sjodin  <jan.sjodin@amd.com>
7594
7595         Partial merge from mainline (138072:138275).
7596         * graphite.c still has to be tuplified.
7597
7598 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
7599
7600         * graphite.c (graphite_loops_mapping_max_loop_num): New.
7601         (create_num_from_index): New.
7602         (get_num_from_index): Also pass in the graphite BB.
7603         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
7604         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
7605         (graphite_trans_bb_strip_mine): Call create_num_from_index.
7606         (is_interchange_valid): Return false when failing.
7607         * graphite.h (struct num_map): New.
7608         (struct graphite_bb): New field num_map.
7609         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
7610
7611 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7612
7613         * graphite.c (dump_gbb_conditions): Print also conditions like
7614         "if (a)".  Remove dublicated code and use print_generic_expr ().
7615         (stmt_simple_for_scop_p): Only allow conditions we can handle
7616         {<, <=, >, >=}.
7617
7618 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
7619
7620         * graphite.h (struct scop): Removed new_ivs field.
7621         (SCOP_NEWIVS): Deleted.
7622         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
7623         clast_to_gcc_expression, graphite_create_new_loop):
7624         Removed use of new_ivs.
7625
7626 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
7627
7628         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
7629         create_loops_mapping_num, debug_loop_mapping_1): New.
7630         (debug_loop_mapping): Call debug_loop_mapping_1.
7631         (get_loop_mapping_for_num,
7632         graphite_loops_mapping_add_child,
7633         graphite_loops_mapping_add_child_num,
7634         graphite_loops_mapping_insert_child,
7635         graphite_loops_mapping_parent,
7636         split_loop_mapped_depth_for_num,
7637         loop_mapped_depth_split_loop): New.
7638         (increment_loop_mapped_depths): Removed.
7639         (swap_loop_mapped_depth_for_num): Reimplemented.
7640         (new_scop): Call create_loops_mapping.
7641         (scop_record_loop): Call graphite_loops_mapping_insert_child.
7642         (translate_clast): Pass the old loop father in parameter, and pass
7643         it to get_old_iv_from_ssa_name.
7644         (remove_edges_around_useless_blocks, can_generate_code_stmt,
7645         can_generate_code, can_generate_for_scop): New.
7646         (graphite_trans_bb_block): Returns false when it fails to transform.
7647         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
7648
7649 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7650
7651         Reverted all the changes related to the streamization and
7652         loop fusion.
7653         These changes are now tracked in the streamization branch.
7654
7655 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7656             Jan Sjodin  <jan.sjodin@amd.com>
7657
7658         * graphite.c (gbb_compare): Correctly constify.
7659         (gbb_can_be_ignored): Indent.
7660         (graphite_trans_scop_swap_1and2): Add legality check.
7661         Remove dead FIXMEs.
7662
7663 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7664
7665         Remove fallouts from "Reverted the Condate changes".
7666         * tree.h: Remove unused decl.
7667         * gcc.dg/tree-checker: Same.
7668         * timevar.def: Remove counter.
7669
7670 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
7671
7672         * Merge from mainline (135673:138072).
7673
7674         Reverted the MIRO changes (from 2008-04-05) that are now
7675         tracked in the miro branch.
7676         * tree-bounds.c: Removed.
7677         * tree-bounds.h: Removed.
7678
7679         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
7680         are now tracked in the condate branch.
7681         * tree-check.c: Removed.
7682         * tree-match.c: Removed.
7683         * condate.y: Removed.
7684
7685 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7686
7687         * common.opt: New user flag -floop-block, -floop-strip-mine
7688         and -floop-interchange.
7689         * toplev.c (process_options): Enable -fgraphite pass if any one of the
7690         graphite loop optimization flags is turned on.
7691         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
7692         flag_loop_strip_mine and flag_loop_interchange checks before
7693         optimizations.
7694         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
7695         -floop-strip-mine and -floop-interchange.
7696         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
7697         -fgraphite.
7698         * gcc.dg/graphite/scop-16.c: Ditto.
7699         * gcc.dg/graphite/scop-17.c: Ditto.
7700         * gcc.dg/graphite/scop-18.c: Ditto.
7701
7702 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
7703             Sebastian Pop  <sebastian.pop@amd.com>
7704
7705         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
7706         (create_empty_loop_on_edge): More fixes.
7707         * tree-phinodes.c (resize_phi_node): Extern.
7708         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
7709         * cfghooks.c (update_dominator_information): New split from
7710         split_edge.
7711         * tree-vectorizer.c (rename_variables_in_bb): Extern.
7712         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
7713         successor of the function entry block.
7714
7715         * graphite.c: Include pointer-set.h.
7716         (debug_loop_mapping, increment_loop_mapped_depths,
7717         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
7718         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
7719         swap_loop_mapped_depth_for_num, get_num_from_index,
7720         swap_loop_mapped_depth, loop_iv_stack_debug,
7721         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
7722         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
7723         get_old_iv_from_ssa_name): New.
7724         (new_scop): Initialize SCOP_LOOPS_MAPPING.
7725         (free_scop): Free SCOP_LOOPS_MAPPING.
7726         (scop_record_loop): Record old ivs.
7727         (create_var_name): Removed.
7728         (initialize_cloog_names): Allocate double space in case strip mine
7729         applies to all loops once.
7730         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
7731         (clast_to_gcc_expression): Same.  Implement more clast to gimple
7732         translation.
7733         (graphite_create_new_loop): Pass in ivstack.
7734         (remove_all_edges): Pass in the construction_edge.
7735         (graphite_remove_iv): Removed.
7736         (graphite_rename_ivs, graphite_rename_ivs_stmt,
7737         remove_cond_exprs): Rewritten.
7738         (move_phi_nodes): New.
7739         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
7740         (translate_clast): Pass in ivstack.  Rewrite some cases.
7741         (set_cloog_options, debug_clast_stmt): New.
7742         (find_transform): Use set_cloog_options.
7743         (outermost_loop_layer): Removed.
7744         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
7745         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
7746         mark_old_loops, remove_dead_loops): New.
7747         (gloog): Rewritten.
7748         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
7749         (const_column_index, get_first_matching_sign_row_index,
7750         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
7751         get_upper_bound): New.
7752         (graphite_trans_bb_strip_mine): Also update the iv map.
7753
7754         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
7755         (struct name_tree): Add a loop field.
7756         (struct scop): Add a graphite_loops_mapping field.
7757         (SCOP_LOOPS_MAPPING): New.
7758         (debug_clast_stmt): Declare.
7759         * lambda.h (find_induction_var_from_exit_cond): Declare.
7760         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
7761         * cfgloop.h (update_dominators_in_loop): Removed declaration.
7762         (create_empty_loop_on_edge): Updated.
7763         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
7764         rename_variables_in_bb): Declare.
7765         * tree-cfg.c (remove_bb): Extern.
7766
7767         * gcc.dg/graphite/block-0.c: New.
7768
7769 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7770             Sebastian Pop  <sebastian.pop@amd.com>
7771
7772         * graphite.c (strip_mine_profitable_p): New.
7773         (graphite_trans_bb_block): Disable strip mining if not profitable.
7774
7775         * gcc.dg/graphite/scop-18.c: New.
7776         * gcc.dg/graphite/scop-17.c: Fixed.
7777         * gcc.dg/graphite/scop-16.c: Fixed.
7778
7779 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
7780             Jan Sjodin  <jan.sjodin@amd.com>
7781             Sebastian Pop  <sebastian.pop@amd.com>
7782
7783         * graphite.c (is_interchange_valid): New.
7784         (graphite_trans_bb_block): Check loop nest of basic block for legality
7785         of interchange.
7786
7787         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
7788         outer_most_loop, gbb_outer_most_loop_index): New.
7789
7790         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
7791         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
7792         * gcc.dg/graphite/scop-16.c: New.
7793         * gcc.dg/graphite/scop-17.c: New.
7794
7795 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7796
7797         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
7798         (graphite_trans_scop_block): Ignore SCoPs without bbs.
7799
7800 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7801
7802         * graphite.c (new_scop): Initialize SCOP_EXIT.
7803         (scopdet_info): Add.
7804         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
7805         (build_scops_1): Cleanup, bugfixes.
7806         (build_scops): Cleanup.
7807
7808         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
7809         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
7810
7811 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7812
7813         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
7814
7815         * gfortran.dg/graphite/graphite.exp: Use
7816         DEFAULT_GRAPHITE_FLAGS.
7817
7818         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
7819
7820 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7821
7822         * graphite.c (scan_tree_for_params): Do not assert any more if
7823         MULT_EXPR parameter is negative.
7824
7825         * gfortran.dg/graphite/scop-1.f: New.
7826
7827         * gfortran.dg/graphite/graphite.exp: New.
7828
7829         * gcc.dg/graphite/scop-15.c: New.
7830
7831 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7832
7833         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
7834
7835 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7836
7837         * graphite.c (graphite_trans_bb_swap_loops): Rename from
7838         graphite_swap_loops.
7839         (graphite_trans_bb_move_loop): New.
7840         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
7841         (graphite_trans_bb_block): New.
7842         (graphite_trans_loop_block): New.
7843         (graphite_trans_scop_swap_1and2): Rename from
7844         graphite_trans_swap_1and2.
7845         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
7846         (graphite_trans_scop_block): New.
7847         (graphite_apply_transformations): Rename from
7848         graphite_transformations.
7849
7850         * gcc.dg/graphite/scop-matmult.c: New.
7851
7852 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7853
7854         * graphite.c (gbb_compare): New.
7855         (graphite_sort_gbbs): New.
7856         (gbb_can_be_ignored): New.
7857         (scop_remove_ignoreable_gbbs): New.
7858         (graphite_transformations): Cleanup and add
7859         scop_remove_ignoreable_gbbs.
7860         * lambda.h (lambda_vector_compare): New.
7861
7862 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
7863
7864         * graphite.c (print_graphite_bb): Correct printing of static schedule.
7865         (graphite_swap_loops): int -> unsigned
7866         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
7867         (graphite_transformations): New.
7868         (graphite_transform_loops): Move to graphite_transformations.
7869         * graphite.h (gbb_nb_loops): Return unsigned.
7870
7871 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7872
7873         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
7874         the domain matrix.  This makes scop-0.c work again.
7875
7876 2008-06-20  Richard Guenther  <rguenther@suse.de>
7877
7878         * graphite.h: Adjust copyright to GPLv3.
7879         * graphite.c: Likewise.
7880         (stmt_simple_memref_for_scop_p): Split out from ...
7881         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
7882         and simplify.
7883         (get_bb_type): Optimize.
7884         (is_pred): Remove.
7885         (is_bb_addable): Fix memleak, replace is_pred call with
7886         single_pred.
7887         (build_scops): Use current_loops.
7888         (param_index): Fix memleak.
7889
7890 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7891
7892         * graphite.c: Fix formatting.
7893
7894 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7895
7896         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
7897         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
7898         (create_var_name, save_var_name): Newly defined functions.
7899         (initialize_cloog_names): Part of the code factored out to
7900         save_var_name.
7901         (clast_to_gcc_expression): Now handles the case of clast_red_sum
7902         in clast_reduction statement.
7903         (graphite_create_new_loop): Now takes a new parameter
7904         for outer_loop.
7905         (translate_clast): Now also takes the context_loop and bb_exit
7906         parameters. Rewritten the code so that it creates a gimple code
7907         inside the given context.
7908         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
7909         remove_cond_expr, disconnect_cond_expr,
7910         disconnect_virtual_phi_nodes): Newly defined functions.
7911         * graphite.h (struct scop): added old_ivs vector.
7912         SCOP_OLDIVS: New macro.
7913
7914 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
7915
7916         * cfgloopmanip.c: Add missing function comments, fix formatting.
7917
7918 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7919
7920         * cfgloopmanip.c (update_dominators_in_loop): Defined.
7921         (create_empty_loop_on_edge): Defined.
7922         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
7923         instead of void.
7924         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
7925         (update_dominators_in_loop): Declared as extern
7926         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
7927
7928 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
7929
7930         * graphite.c (print_graphite_bb): Allow changing number of loops
7931         in SCoP domain.
7932         (initialize_cloog_names): Allow changing number of loops.
7933         (build_cloog_prog): Simplify.
7934         (find_transform): Enable cloog option --strides.
7935         (graphite_swap_loops): New.
7936         (graphite_strip_mine_loop): New.
7937         (graphite_trans_swap_1and2): New.
7938         (graphite_trans_strip): New.
7939         (graphite_transform_loops): Add graphite_trans_strip.
7940         * graphite.h (scop_max_loop_depth): New.
7941
7942 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7943
7944         * graphite.c (build_scop_iteration_domain): Remove forgotten
7945         line. (Fixes compile)
7946
7947 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7948
7949         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
7950         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
7951         (build_bb_loops): New.
7952         (graphite_transform_loops): Add build_bb_loops.
7953         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
7954         numbers.
7955         * graphite.h (graphite_bb): Add loops.
7956         (gbb_nb_loops): New.
7957         (gbb_loop_at_index): New.
7958         (gbb_loop_index): New.
7959         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
7960         using nb_params_in_scop.
7961
7962 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7963
7964         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
7965         (build_scop_canonical_schedules): Build minimized schedule.
7966         (schedule_to_scattering): Adapt to minimized schedule.
7967         * graphite.h (graphite_bb): Add/Update descriptions.
7968
7969 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
7970             Tobias Grosser  <grosser@fim.uni-passau.de>
7971
7972         * graphite.c (print_graphite_bb): Add condition printing.
7973         (dump_value): New.
7974         (dump_gbb_conditions): New.
7975         (build_scop_conditions_1): New.
7976         (build_scop_conditions): New.
7977         * graphite.h (graphite_bb): Add conditions.
7978
7979 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7980
7981         * graphite.c (print_graphite_bb):
7982         (free_graphite_bb): New.
7983         (free_scop): Free bbs.
7984         (get_bb_type): Free doms.
7985         (build_scop_context): Free context matrix.
7986         (build_loop_iteration_domains): Remove unused code.
7987         (build_cloog_prog): Free scattering function and blocklist.
7988         (find_transform): Free options.
7989
7990 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
7991
7992         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
7993         Remove unnecessery cloog data structures. Make a copy of the domain
7994         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
7995         unnecessary cloog data structures. Fix memory leaks. Remove insert
7996         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
7997         used.
7998         (build_scop_iteration_domain): Remove unnecessary cloog
7999         data structures.  Fix memory leaks.
8000         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
8001         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
8002
8003 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
8004
8005         * graphite.c (find_scop_params): Remove initialize_cloog_names.
8006
8007 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
8008
8009         * graphite.c (end_scop): Style fix.
8010         (schedule_to_scattering): Style and comment fix.
8011
8012 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
8013         * graphite.c (print_graphite_bb): Fix definiton of
8014         schedule_to_scattering.
8015         (initialize_cloog_names): Change nb_scattdims to max loop
8016         depth in SCoP.
8017         (schedule_to_scattering): Take parameter for number of scattering
8018         dimensions.
8019         (build_cloog_prog): Only build as much scattering dimensions as
8020         necessary.
8021
8022 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
8023
8024         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
8025         in polyhedron/aermod.f90.
8026
8027 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
8028             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
8029             Harsha Jagasia  <harsha.jagasia@amd.com>
8030
8031         * graphite.c (is_bb_addable): Fix segfault.
8032
8033 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
8034
8035         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
8036         with multiple exits and conditional handling in edge cases.
8037         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
8038
8039         * gcc.dg/graphite/scop-14.c: New.
8040
8041 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
8042             Adrien Eliche  <aeliche@isty.uvsq.fr>
8043
8044         * graphite.c (is_bb_addable): Add more comments and enhance
8045         readablity of the source code. Fix memory leak.
8046         (is_loop_exit): Fix memory leak.
8047
8048 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
8049
8050         * graphite.c (first_loop_in_scop): Deleted.
8051         (setup_cloog_loop): Only walk the loop chain for inner loops.
8052         (build_scop_iteration_domain): Execute setup_cloog_loop for
8053         all loops in the first layer.
8054
8055 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
8056
8057         * graphite.c (scan_tree_for_params): Change the way params are
8058         added to be indepenent of the number of loops.
8059         (setup_cloog_loop): Revert to short matrix format. Fix parameter
8060         handling.
8061         (build_cloog_prog): Revert to short matrix format.
8062
8063 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
8064             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
8065
8066         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
8067         warning.
8068
8069 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
8070
8071         * graphite.c (nb_data_refs_in_scop): New.
8072         (graphite_transform_loops): Print more stats: number of
8073         loops, basic blocks and data references per scop.
8074
8075 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
8076             Jan Sjodin  <jan.sjodin@amd.com>
8077
8078         * graphite.c (loop_affine_expr, idx_record_params,
8079         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
8080         instead of instantiate_parameters.
8081
8082 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
8083
8084         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
8085         add support for parameters, add STATIC_SCHEDULE at the right places,
8086         cleanup.
8087
8088 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
8089
8090         * graphite.c (build_scop_loop_nests): Only add the loops, that
8091         are contained completely in the SCoP.
8092         (build_cloog_prog): Disable scattering, until schedule_to_scattering
8093         and the domains are fixed.
8094         (build_scop_canonical_schedules): Add support for bbs not contained
8095         in any SCoP.
8096
8097 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
8098
8099         * graphite.h (scop_contains_loop): Update comments to match
8100         the actual behavior.
8101         (scop_contains_loop): New.
8102         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
8103
8104 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
8105
8106         * graphite.c (get_bb_type): On function body, i.e. loop_0,
8107         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
8108         as GBB_COND_HEADER.
8109
8110 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
8111             Tobias Grosser  <grosser@fim.uni-passau.de>
8112
8113         * graphite.c (graphite_transform_loops): Early return when
8114         there are no loops in the function.
8115
8116 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
8117             Jan Sjodin  <jan.sjodin@amd.com>
8118
8119         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
8120         offset of the last loop.
8121         (setup_cloog_loop): Copy the entire outer constraint matrix.
8122
8123 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
8124             Jan Sjodin  <jan.sjodin@amd.com>
8125
8126         * graphite.c (stmt_in_scop_p, function_parameter_p,
8127         invariant_in_scop_p): Removed.
8128         (scan_tree_for_params): Can be used with no constraint
8129         matrix for gathering parameters.
8130         (idx_record_params): Don't use idx_record_param, instead use
8131         scan_tree_for_params.
8132         (find_scop_parameters): Same.
8133         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
8134         Fix the size of loop domains.
8135         (schedule_to_scattering): Exit when the outer loop is not in scop.
8136         (find_transform): Enable build_cloog_prog.
8137
8138 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
8139             Jan Sjodin  <jan.sjodin@amd.com>
8140
8141         * graphite.c (schedule_to_scattering): Make scattering domains
8142         uniformly of the same size, as required by CLooG 0.14.0 and before.
8143
8144 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
8145             Jan Sjodin  <jan.sjodin@amd.com>
8146
8147         * graphite.c (schedule_to_scattering): Rewrite, correct the
8148         translation of the scheduling function to scattering.
8149         (build_cloog_prog): Call schedule_to_scattering only once.
8150         * graphite.h (scop_loop_index): Do not fail for loops not
8151         in the scop: return -1.
8152
8153 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
8154
8155         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
8156         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
8157         (setup_cloog_loop): Export GBB_DOMAIN.
8158         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
8159         able to rebuild the original control flow.
8160         * graphite.h (graphite_bb): Add domain field and access macro.
8161         (GBB_DOMAIN): New.
8162
8163 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
8164
8165         * graphite.c (debug_gbb): New.
8166         (print_scop, build_graphite_bb): Use SCOP_BBS.
8167         (build_scop_bbs): Reimplemented.
8168         (dfs_bb_in_scop_p): Removed.
8169         (build_scop_loop_nests): Reorder loops inserted in
8170         SCOP_LOOP_NEST: outer loops should come first.
8171         (build_scop_canonical_schedules): Reinitialize at zero
8172         the components of the SCOP_STATIC_SCHEDULE for the loops
8173         that have already been parsed.
8174
8175         * graphite.h (debug_gbb): Declared.
8176
8177 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
8178             Jan Sjodin  <jan.sjodin@amd.com>
8179
8180         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
8181         (graphite_loop_to_gcc_loop): Removed.
8182         (remove_all_edges): New.
8183         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
8184         (gloog): Remove useless code.
8185
8186 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8187
8188         * graphite.c (get_bb_type): Reworked. We distinguish between
8189         loops with one or multiple exits.
8190         (is_loop_exit): New.
8191         (is_pred): New.
8192         (is_bb_addable): Rework condition handling, now support for case
8193         case statements and loops with multiple exits.
8194
8195         * gcc.dg/graphite/scop-11.c: New.
8196         * gcc.dg/graphite/scop-12.c: New.
8197         * gcc.dg/graphite/scop-13.c: New.
8198
8199 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8200
8201         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
8202         we have too many colors.
8203
8204 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
8205
8206         * doc/invoke.texi (-ftree-loop-fusion): Document.
8207         * tree-pass.h (pass_loop_fusion): Declared.
8208         * tree-loop-fusion.c: New.
8209         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
8210         * tree-data-ref.c (find_data_references_in_loop): Make extern.
8211         * tree-data-ref.h (find_data_references_in_loop): Declared.
8212         * common.opt (ftree-loop-fusion): Declared.
8213         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
8214
8215 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
8216
8217         * graphite.c (build_access_matrix): Fix typo from the merge.
8218
8219 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
8220
8221         * Merge from mainline (130800:135673).
8222
8223 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
8224
8225         * graphite.c (end_scop): The exit of the scop is not part of the scop.
8226         Update dominators after splitting.
8227
8228 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
8229
8230         * graphite.c (is_bb_addable): Return the harmful statement.
8231         Factor up some code.
8232         (end_scop): New.  Splits end of scope bbs on a harmful statement.
8233         (build_scops_1): Call end_scop.
8234
8235 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
8236
8237         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
8238         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
8239         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
8240         build_scops_1): Removed.
8241         (build_scops_2): Renamed build_scops_1.
8242
8243 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
8244
8245         * graphite.c: Fix formatting.
8246
8247 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
8248
8249         * graphite.c (get_bb_type): New.
8250         (move_scops): New.
8251         (build_scops_2): New.
8252         (is_bb_addable): New.
8253         (build_scops): Switch the scop detection.
8254         (build_scop_bbs): Add entry bb to scop.
8255         * graphite.h (struct scop): Update comment.
8256
8257 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
8258
8259         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
8260         more colors.
8261
8262 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
8263
8264         * gcc.dg/graphite/scop-1.c: Update.
8265         * gcc.dg/graphite/scop-2.c: Update.
8266         * gcc.dg/graphite/scop-4.c: Update.
8267         * gcc.dg/graphite/scop-5.c: Add.
8268         * gcc.dg/graphite/scop-6.c: Add.
8269
8270 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
8271
8272         * gcc.dg/graphite/scop-0.c: Add.
8273         * gcc.dg/graphite/scop-7.c: Add.
8274         * gcc.dg/graphite/scop-8.c: Add.
8275         * gcc.dg/graphite/scop-9.c: Add.
8276         * gcc.dg/graphite/scop-10.c: Add.
8277
8278 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
8279
8280         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
8281         Check affine expressions depending on the outermost loop
8282         instead of a scop.
8283         (stmt_simple_for_scop_p): Same.
8284         (harmfule_stmt_in_scop): Same.
8285
8286 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
8287
8288         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
8289         mark entry and exit, that are not part of the SCoP and update HTML
8290         formatting.
8291
8292 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
8293
8294         * graphite.c (basic_block_simple_for_scop_p): Renamed
8295         harmful_stmt_in_bb.
8296         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
8297         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
8298         (all_preds_visited_p, all_succs_visited_p,
8299         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
8300         scop_end_loop): New.
8301         (build_scops): Do not use dfs_enumerate_from.
8302
8303         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
8304
8305 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
8306
8307         * graphite.c: Add comments to functions that are missing a
8308         description.
8309         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
8310
8311 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
8312
8313         * graphite.c (nb_params_in_scop): Moved...
8314         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
8315         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
8316         (clast_to_gcc_expression): Reduce column size to less than 80.
8317         (graphite_create_iv): Return the new name of the IV.
8318         (find_transform): Set options->esp and options->cpp.
8319         (gloog): Comment out the invalidation of the old loop code.
8320         (initialize_dependence_polyhedron): Replace scop_nb_params with
8321         nb_params_in_scop.
8322
8323         * graphite.h (nb_params_in_scop): ... here.
8324         (scop_nb_params): Removed.
8325         (loop_domain_dim): Return something even when the loop was not
8326         found in the hash table: avoid ICEing on all the graphite.exp
8327         testcases.
8328
8329 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8330
8331         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
8332
8333         * graphite.c (build_scop_dynamic_schedules): Schedule is built
8334         according to nesting level.
8335         (find_scop_parameters): Call instantiate_parameters.
8336         (scan_tree_for_params): Extend it to handle general affine bounds.
8337         Inner loop bound can depend on outer loop induction variable.
8338         (setup_cloog_loop): tmp variable is allocated on stack. Call
8339         instantiate_parameters with respect to outermost_loop_in_scop.
8340         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
8341         graphite.h.
8342         (create_empty_loop): Function loopify should be given edge
8343         probability, instead of edge frequency. Dominance relation from
8344         switch_bb to loop_header.
8345         (clast_to_gcc_expression): Added handling of clast_reduction node.
8346         (gloog): New functionality for removing old loop.
8347         (test_dependence): Factored out from build_rdg_all_levels.
8348         (build_rdg_all_levels): Dependence testing factored out to
8349         test_dependence function.
8350
8351         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
8352         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
8353         from graphite.c
8354
8355 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
8356
8357         * graphite.c (free_scop, param_index, initialize_cloog_names,
8358         nb_params_in_scop): Use name_tree map instead of just a tree
8359         for keeping track of the variable name associated to that tree.
8360         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
8361         clast_to_gcc_expression, graphite_create_iv,
8362         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
8363         graphite_stmt_to_gcc_stmt): New.
8364         (gloog): Call these.
8365         * graphite.h (struct name_tree): New.
8366         (struct scop): Use name_tree instead of tree for params.
8367         Store a vector of name_tree for new_ivs.
8368         (SCOP_NEWIVS): New.
8369         (scop_nb_params): Use name_tree instead of tree.
8370
8371 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
8372             Sebastian Pop  <sebastian.pop@amd.com>
8373
8374         * tree-bounds.c: New.
8375         * tree-bounds.h: New.
8376         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
8377         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
8378         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
8379         flag_mudflap.
8380         * gcc.c: Same.
8381         * toplev.c: Same.
8382         * c-cppbuiltin.c: Same.
8383         * c-pragma.c: Same.
8384         * common.opt: Same.
8385         * varasm.c: Same.
8386         * tree-outof-ssa.c: Same.
8387         * c-common.c: Same.
8388         * Makefile.in: Same.
8389
8390 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
8391             Sebastian Pop  <sebastian.pop@amd.com>
8392
8393         * tree-loop-distribution.c (remaining_stmts,
8394         upstream_mem_writes): Removed static variables.
8395         (copy_loop_before, create_bb_after_loop,
8396         mark_nodes_having_upstream_mem_writes, free_rdg_components,
8397         rdg_build_components, rdg_build_partitions,
8398         dump_rdg_partitions): Extern.
8399         (generate_loops_for_partition, generate_code_for_partition): Do not
8400         return a bool.
8401         (already_processed_vertex_p, predecessor_has_mem_write,
8402         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
8403         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
8404         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
8405         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
8406         Pass remaining_stmts and upstream_mem_writes as parameters.
8407         (rdg_component): Moved...
8408         (build_rdg_partition_for_component): Do not aggregate components when
8409         flag_streamize_loops is set.
8410         (gen_sequential_loops): New.
8411         (ldist_gen): Call gen_sequential_loops.
8412
8413         * tree-pass.h (pass_loop_streamization): Declared.
8414
8415         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
8416         basic blocks when loops structures exist.
8417
8418         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
8419
8420         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
8421
8422         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
8423         eliminate_local_variables_stmt, eliminate_local_variables,
8424         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
8425         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
8426         of code delimited by two edges in the CFG.
8427         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
8428         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
8429         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
8430         the case of parallelisation of reductions.
8431         (create_loop_fn): Extern.
8432         (create_omp_parallel_region): New.
8433
8434         * tree-data-ref.c (dump_data_dependence_relation): Don't call
8435         dump_data_reference for printing dra and drb.
8436         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
8437         RDGE_RELATION.
8438         (build_rdg): Don't call free_dependence_relations for the moment, as
8439         we attach dependence relations on each edge of the RDG.
8440         To be fixed later.
8441
8442         * tree-data-ref.h (rdg_component): ...here.
8443         (struct rdg_edge): New field ddr_p relation.
8444         (RDGE_RELATION): New.
8445         (create_bb_after_loop, copy_loop_before,
8446         mark_nodes_having_upstream_mem_writes, rdg_build_components,
8447         rdg_build_partitions, dump_rdg_partitions,
8448         free_rdg_components): Declared.
8449
8450         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
8451         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
8452
8453         * tree-loop-streamization.c: New.
8454
8455         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
8456         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
8457
8458         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
8459
8460         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
8461
8462         * passes.c: Schedule pass_loop_streamization.
8463
8464 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
8465
8466         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
8467         update comment.
8468
8469 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
8470
8471         * graphite.c (dot_all_scops): Update formatting.
8472         Bbs can now be part of more than one SCoP.
8473
8474 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
8475
8476         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
8477         malloc problems.
8478         (loop_domain_dim): Check for unregistered toplev SCOP loop.
8479         * graphite.h (loop_to_cloog_loop): New.
8480
8481 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8482
8483         * graphite.c (loop_domain_dim, ref_nb_loops,
8484         loop_iteration_vector_dim): New.
8485         (build_access_matrix_with_af, build_access_matrix,
8486         initialize_dependence_polyhedron): Fixed for new matrix layout.
8487         No longer assume that all iteration domains are of the same
8488         dimensionality.
8489
8490 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
8491
8492         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
8493         defined in a loop at depth 0 is invariant.
8494         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
8495         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
8496         be called at loop depth 0.
8497
8498         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
8499         a parameter.
8500         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
8501         (down_open_scop): Removed.
8502         (loop_in_scop_p): Redefined.
8503         (scop_affine_expr): New argument: scop.
8504         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
8505         a harmful statement ending a scop.
8506         (basic_block_simple_for_scop_p): New argument: scop.
8507         (get_loop_start): Removed.
8508         (new_scop): Initialize SCOP_LOOPS.
8509         (free_scop): Free SCOP_LOOPS.
8510         (succs_at_same_depth, preds_at_same_depth): New.
8511         (end_scop): Test the validity of a scop.
8512         (add_dominators_to_open_scops): New.
8513         (test_for_scop_bound): Call add_dominators_to_open_scops.
8514         Add cases for opening and closing multiple scops.
8515         (build_scops, build_scop_bbs): Iterate over basic blocks in
8516         depth first order.
8517         (build_graphite_bb): Pass scop directly.
8518         (dfs_bb_in_scop_p): New.
8519         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
8520         several times.
8521         (nb_loops_around_gb): Use loop_in_scop_p.
8522         (schedule_to_scattering): Disabled for the moment the code computing
8523         the "textual order for outer loop".
8524
8525         * graphite.h (struct scop): New field loops.
8526         (SCOP_LOOPS): New.
8527         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
8528
8529         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
8530
8531 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
8532             Sebastian Pop  <sebastian.pop@amd.com>
8533
8534         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
8535         * common.opt (fstreamize-loops): New.
8536         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
8537         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
8538         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
8539         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
8540
8541 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8542
8543         * tree-data-ref.c (build_empty_rdg): New.
8544         (build_rdg): Use it.
8545         * tree-data-ref.h (build_empty_rdg): Declared.
8546         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
8547         (find_vertex_for_stmt): Removed.
8548         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
8549
8550 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
8551
8552         * tree-loop-distribution.c (generate_builtin): After cancelling the
8553         loop tree, also delete basic blocks.
8554         (rdg_flag_uses): Stop recursion when a vertex has already been
8555         processed.
8556
8557 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8558
8559         * graphite.c (build_scop_alpha): Removed.
8560         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
8561         and dump_dependence_graph to avoid compiler warnings.
8562
8563 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8564
8565         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
8566         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
8567         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
8568         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
8569         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
8570         (initialize_dependence_polyhedron, find_vertex_for_stmt,
8571         initialize_data_dependence_polyhedron, is_empty_polyhedron,
8572         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
8573         dump_dependence_graph): New.
8574         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
8575         (GBB_ALPHA): New.
8576         (struct scop): New field loop2cloog_loop.
8577         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
8578         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
8579
8580 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8581
8582         * graphite.c (build_graphite_bb): Fix initialization
8583         of the graphite basic block.
8584
8585 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
8586
8587         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
8588         loop domain matrix.  Pass in the number of loops contained in the
8589         constraint matrix.
8590         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
8591         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
8592         loops that are not surrounding the current loop are not represented
8593         in the domain constraint matrix.
8594         (build_scop_iteration_domain): Initial domain constraint matrix
8595         contains only the eq/ineq, cst, and scop parameters columns.
8596
8597 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8598
8599         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
8600         (print_graphite_bb): Print scattering.
8601
8602 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8603
8604         * graphite.c (initialize_cloog_names): Initialize names of
8605         scattering variables.
8606
8607 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8608
8609         * graphite.c (dot_all_scops_1): Disable debug output while
8610         printing graph.
8611
8612 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8613
8614         * graphite.c (find_transform): Change cloog output language to C.
8615
8616 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
8617
8618         * tree-loop-distribution.c (generate_memset_zero,
8619         generate_builtin, generate_code_for_partition,
8620         rdg_flag_all_uses): New.
8621         (rdg_flag_uses): Gather in the same partition the statements defining
8622         the VUSES of the current statement.
8623         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
8624         Gather in the same partition not only the stores to the same memory
8625         access, but also the reads.
8626         (ldist_generate_loops): Renamed ldist_gen.
8627
8628 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
8629             Tobias Grosser  <grosser@fmi.uni-passau.de>
8630
8631         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
8632         next pointer, don't use the inner pointer.
8633
8634 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
8635
8636         * graphite.c (dot_all_scops, dot_all_scops_1): New.
8637         (find_transform): Call dot_all_1.
8638         * graphite.h (dot_all_scops): Declared.
8639
8640 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
8641
8642         * tree-loop-distribution.c: Fix apsi.f ICE.
8643         (create_bb_after_loop): New.
8644         (generate_loops_for_partition): Use it.
8645         * gfortran.dg/ldist-1.f90: New.
8646
8647         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
8648         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
8649
8650 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8651
8652         * graphite.c (find_transform): Dump cloog program sent to cloog.
8653
8654 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8655
8656         * graphite.c (initialize_cloog_names): Initialize cloog
8657         iterator names.
8658
8659 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8660
8661         * graphite.c (build_scop_context): Fix typo, for the matrix
8662         format: insert '0 >= 0' instead of '-1 >= 0'.
8663
8664 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8665
8666         * Fix merge problems.
8667
8668 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8669
8670         * graphite.c (setup_cloog_loop): Fix typo.
8671
8672 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8673
8674         * doc/invoke.texi (-ftree-loop-distribution): Documented.
8675         * tree-loop-distribution.c: Reimplemented.
8676         * tree-pass.h (pass_loop_distribution): New.
8677         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
8678         print_loops.
8679         * graphds.h (struct graph): New field indexes.
8680         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8681
8682         * tree-vect-analyze.c: Remove declaration of static functions when not
8683         needed.
8684         * tree-vectorizer.c: Same.
8685         (rename_variables_in_loop): Now extern.
8686         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
8687         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
8688         calling redirect_edge_and_branch_force.
8689
8690         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
8691
8692         * tree-data-ref.c: Don't include tree-chrec.h.
8693         (debug_data_dependence_relations): New.
8694         (dump_data_dependence_relation): Call dump_data_reference on data refs
8695         in the relation.
8696         (same_access_functions): Moved...
8697         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
8698         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8699         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
8700         struct rdg_vertex_info, ): New.
8701         (create_rdg_edge_for_ddr): Compute the dependence level before looking
8702         at DDR_REVERSED_P.
8703         (create_rdg_vertices): Initialize the htab of graph->indexes.
8704         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
8705         (stmts_from_loop): Don't save LABEL_EXPR.
8706         (hash_stmt_vertex_info, eq_stmt_vertex_info,
8707         hash_stmt_vertex_del): New.
8708         (build_rdg): Initialize rdg->indexes.
8709         (free_rdg, stores_from_loop, ref_base_address,
8710         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
8711         have_similar_memory_accesses_1, ref_base_address_1,
8712         remove_similar_memory_refs): New.
8713
8714         * tree-data-ref.h: Include tree-chrec.h.
8715         (debug_data_dependence_relations): Declared.
8716         (same_access_functions): ...here.  Now static inline.
8717         (ddr_is_anti_dependent, ddrs_have_anti_deps,
8718         ddr_dependence_level): New.
8719         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
8720         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
8721         RDG_MEM_READS_STMT): New.
8722         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8723         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
8724         rdg_vertex_for_stmt): Declared.
8725         (struct rdg_edge): New field level.
8726         (RDGE_LEVEL, free_rdg): New.
8727         (stores_from_loop, remove_similar_memory_refs,
8728         rdg_defs_used_in_other_loops_p,
8729         have_similar_memory_accesses): Declared.
8730         (rdg_has_similar_memory_accesses): New.
8731
8732         * lambda.h (dependence_level): New.
8733         * common.opt (ftree-loop-distribution): New.
8734         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
8735         (print_loop_ir): Renamed print_loops.
8736         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
8737         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
8738         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
8739         (tree-loop-distribution.o): Added.
8740         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
8741         (mark_virtual_ops_in_bb): New.
8742         (print_loops_bb, debug_loop_num, debug_loop): New.
8743         * passes.c: Scheduled pass_loop_distribution.
8744
8745 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8746
8747         * graphite.c (scan_tree_for_params): Correct the number of columns
8748         for polylib format.
8749         (nb_flat_iterator): New.
8750         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
8751         (build_scop_iteration_domain): Correct the number of columns for
8752         polylib format.
8753
8754 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8755
8756         * Merge from mainline (129697:130800).
8757
8758 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
8759
8760         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
8761         dominated by SCoP's exit.
8762         (graphite_transform_loops): Compute post dominators.
8763
8764 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8765
8766         * Merge from mainline (127169:129697).
8767
8768 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8769
8770         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
8771         parameter for the basic block that contains the expression.  Use
8772         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
8773         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
8774         the expression.
8775         * graphite.h (gbb_loop): New.
8776         (GBB_LOOP): Removed.
8777
8778 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8779
8780         * Makefile.in: Fix merge problem.
8781
8782 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8783
8784         * Merge from mainline (125309:127169).
8785         * tree-loop-distribution.c: Disabled.
8786
8787 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
8788
8789         * Merge from mainline (r123693:125309).
8790
8791 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
8792
8793         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
8794         correct_modify_p
8795         (correct_modify_p, check_statements, number_of_lvalue_uses,
8796         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
8797         instead of MODIFY_EXPR.
8798         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
8799         and push new edges.
8800
8801 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
8802
8803         * tree-loop-distribution.c (struct rdg): Replace arrays by
8804         VECs for edges and vertices.
8805         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
8806         (RDGV_NB_PARTITIONS): New.
8807         (PRDG_NBV, PRDG_NBE): Removed.
8808         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
8809         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
8810         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
8811
8812 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
8813             Sebastian Pop  <sebpop@gmail.com>
8814
8815         * doc/invoke.texi (-ftree-loop-distribution): Document.
8816         * tree-loop-distribution.c: New file.
8817         * tree-pass.h (pass_loop_distribution): Declared.
8818         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8819         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
8820         and set reversed_p.
8821         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
8822         (DDR_REVERSED_P): New.
8823         * common.opt (-ftree-loop-distribution): New.
8824         * tree-flow.h (distribute_loops): Declared.
8825         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
8826         * passes.c (init_optimization_passes): Schedule loop distribution.
8827
8828 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
8829
8830         * graphite.c (print_graphite_bb): Don't call dump_data_references.
8831         (print_scop): Don't print when scop is NULL.
8832         (build_scop_context, find_transform): Don't output to stderr.
8833
8834 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
8835
8836         * tree-data-ref.c: Don't include graphite.h.
8837         Comment out the code for printing data reference's scop.
8838         (build_access_matrix_with_af): Moved...
8839         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
8840         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
8841         (print_graphite_bb): Print basic block's schedule.
8842         (print_scop): Don't print the schedule, call cloog's pretty printer.
8843         (bb_in_scop_p): A basic block is in a scop only if it is both
8844         dominated and postdominated by the scop's entry and exit basic blocks.
8845         (function_parameter_p): New.
8846         (invariant_in_scop_p): Use function_parameter_p.
8847         (new_scop, save_scop): New.
8848         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
8849         save_scop.
8850         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
8851         (loop_in_scop_p): New.
8852         (scop_record_loop): Use loop_in_scop_p.
8853         (build_scop_domain): Renamed build_scop_iteration_domain.
8854         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
8855         nb_params_in_scop, build_scop_context, first_loop_in_scop,
8856         setup_cloog_loop, dot_scop_1, dot_scop): New.
8857         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
8858         (struct scop): Add a pointer to cloog's representation of a program.
8859
8860 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8861
8862         * doc/invoke.texi (-ftree-check-verbose): Renamed
8863         -ftree-checks-verbose.
8864         * common.opt (flag_tree_check_verbose): Renamed
8865         flag_tree_checks_verbose.
8866         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
8867
8868 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8869
8870         * configure: Regenerated.
8871         * config.in: Regenerated.
8872         * tree-ssa-loop.c (graphite_transforms): Execute
8873         graphite_transform_loops only when HAVE_cloog.
8874         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
8875         * graphite.c: Include polylibgmp.h and cloog.h.
8876         (graphite_transform_loops): Removed loops parameter.
8877         * tree-flow.h (graphite_transform_loops): Update declaration.
8878         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
8879         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
8880         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
8881         (OBJS-common): Remove dependence on graphite.o.
8882         (BACKEND): Depend on @GRAPHITE@.
8883
8884 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
8885
8886         * doc/invoke.texi (-ftree-check-verbose): Documented.
8887         * gcc.dg/tree-checker/tree-checks-1.c: New.
8888         * gcc.dg/tree-checker/tree-checks-2.c: New.
8889         * gcc.dg/tree-checker/tree-checks-3.c: New.
8890         * gcc.dg/tree-checker/tree-checks-4.c: New.
8891         * gcc.dg/tree-checker/tree-checks.exp: New.
8892         * gcc.dg/tree-checker/condates.crp: New.
8893         * common.opt (ftree-checks-verbose): New.
8894         * tree-check.c (tree_check_warning): Move extra stderr output
8895         under control of flag_tree_check_verbose.
8896
8897 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
8898
8899         * tree-match.c: Fix comments formatting.
8900         * tree-match.h: Fix comments formatting.
8901         * tree-check.c: Fix comments formatting.
8902         (tree_check_init): Restructure.
8903
8904 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
8905
8906         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
8907
8908 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
8909
8910         * Merge from mainline (r120733:123693).
8911
8912 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
8913
8914         * condate.y: New file.
8915         * tree-match.h (struct patt_info_s): New field sign.
8916         (struct condate_s): New field msg.
8917         (normalize_condate, name_condate, add_condate): New.
8918         (conds[], condate_parse): Made extern.
8919         * tree-check.c (tree_check_warning): First arg changed to cond;
8920         warning reformatted.
8921         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
8922         (tree_scan): New.
8923         (tree_check): Process trivial condates.
8924         (read_delimited_string): Removed.
8925         (print_cond): Print name and msg.
8926         (conds[]): Made extern.
8927         (parse_tree_check_file_once): Rewritten to use the parser in
8928         condate.y.
8929         Processing of option --tree_check_string moved to tree_scan().
8930         * Makefile.in: Added condate.y
8931
8932 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
8933
8934         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
8935         Use VECs instead of varrays.
8936         * diagnostic.h (lazy_dump_generic_node): Update declaration.
8937         * Makefile.in (pretty-print.o): Depend on vec.h.
8938         * pretty-print.c: Include tree.h and vec.h.
8939         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
8940         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
8941         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
8942         pp_free_list): Use VECs instead of varrays.
8943         * pretty-print.h: Do not include varray.h.
8944         (struct tree_chunk_s): Declaration moved before its use.
8945         (output_buffer): Rename varray field to chunks.
8946         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
8947         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
8948         save_global_holes): Use VECs instead of varrays.
8949         * tree-match.h: Declare VECs of cfg_node, and hole_p.
8950         * tree-check.c (scan_cfg_stmts, push_node,
8951         print_matching_stmt): Removed.
8952         (tree_check_instance, push_global_holes_if_new, tree_check,
8953         execute_tree_check): Use VECs instead of varrays.
8954         (gate_tree_check): Don't execute the CFG check when basic_block_info
8955         is not available.
8956
8957 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8958
8959         * Merge from mainline (r115016:120733).
8960
8961 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8962
8963         * Merge from mainline (r117632:117661).
8964
8965 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8966
8967         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
8968         * tree-pass.h (TDF_DEBUG, debug_p): New.
8969         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
8970         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
8971         get_loop_exit_condition, analyze_evolution_in_loop,
8972         analyze_initial_condition, analyze_scalar_evolution,
8973         instantiate_parameters, number_of_latch_executions): Use debug_p.
8974         * tree-chrec.c (chrec_apply): Use debug_p.
8975         * tree-data-ref.c: Include graphite.h.
8976         (dump_data_reference): Print also the access matrix.
8977         (analyze_array, analyze_indirect_ref, init_data_ref,
8978         analyze_offset_expr, address_analysis, object_analysis,
8979         create_data_ref, finalize_ddr_dependent,
8980         non_affine_dependence_relation, analyze_ziv_subscript,
8981         analyze_siv_subscript_cst_affine,
8982         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8983         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
8984         analyze_miv_subscript, analyze_overlapping_iterations,
8985         build_classic_dist_vector, subscript_dependence_tester,
8986         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
8987         (build_access_matrix_with_af): No longer static.
8988         * tree-data-ref.h (scop_p): ... declaration here.
8989         (data_reference.scop): New field.
8990         (DR_SCOP, DR_ACCESS_MATRIX): New.
8991         (build_access_matrix_with_af, dr_num_subscripts): Declared.
8992         * graphite.c (print_graphite_bb): Call dump_data_references.
8993         (print_scop): Use scop_nb_loops and scop_dim_domain.
8994         (test_for_scop_bound): Use debug_p.
8995         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
8996         scop_nb_params.
8997         (scop_loop_index): Moved...
8998         (scop_record_loop): New.
8999         (build_scop_loop_nests): Use scop_record_loop.
9000         (build_scop_domain): Use scop_dim_domain.
9001         (build_access_matrix): Implemented.
9002         (build_scop_canonical_schedules): Use scop_nb_loops.
9003         (build_graphite_bb): Initialize GBB_SCOP.
9004         * graphite.h (scop_p): Moved...
9005         (graphite_bb.scop): New field.
9006         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
9007         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
9008         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
9009         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
9010         scop_loop_index): New.
9011         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
9012
9013 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
9014
9015         * Merge from mainline (r117661:120450).
9016
9017 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
9018
9019         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
9020         at the first declaration outside the varying loop, instantiate as
9021         far as possible.
9022         * tree-chrec.c (for_each_scev_op): New.
9023         * tree-chrec.h (for_each_scev_op): Declared.
9024         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
9025         * tree-data-ref.c (get_references_in_stmt,
9026         find_data_references_in_stmt): New, from trunk.
9027         (find_data_references_in_loop): Use get_references_in_stmt
9028         and find_data_references_in_loop, modified as in trunk.
9029         (build_access_matrix_with_af): New.
9030         * tree-data-ref.h (data_reference): Add a field access_matrix.
9031         (data_ref_loc): New, as in trunk.
9032         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
9033         invariant_in_scop_p, param_index, scan_tree_for_params,
9034         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
9035         idx_record_param, idx_record_params, build_access_matrix,
9036         build_scop_data_accesses, build_scop_canonical_schedules,
9037         build_graphite_bb, build_scop_bbs, find_params_in_bb,
9038         build_scop_params): New.
9039         * graphite.h (graphite_bb): New.
9040         (scop): Add fields static_schedule, params, loop_nest,
9041         iteration_domain.
9042         * lambda.h: Declare vecs of lambda_matrix.
9043         * tree-flow.h (print_loop_ir_bb): Declared.
9044         * tree-cfg.c (print_loop_ir_bb): New.
9045         (print_loop): Use print_loop_ir_bb.
9046
9047 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
9048
9049         * Merge from mainline (r115016:117632).
9050
9051 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
9052
9053         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
9054         break due to a warning.
9055
9056 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
9057
9058         * graphite.c (print_scops, debug_scops): New.
9059         (graphite_transform): Renamed graphite_find_transform.
9060         * graphite.h (debug_scops): Declared.
9061
9062 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
9063
9064         * tree-match.c: Reformat following the GNU style.
9065         * tree-match.h: Reformat following the GNU style.
9066         * tree-pattern.h: Removed empty file.
9067         * Makefile.in: Remove references to tree-pattern.h.
9068         * tree-check.c: Reformat following the GNU style.
9069         (execute_tree_check): Move gate condition code to...
9070         (gate_tree_check): ...here.  New function.
9071         (pass_check): Use the gate function.
9072
9073 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
9074
9075         * tree-pattern.h: New. Tree pattern matching and checking using
9076         concrete syntax.
9077         * tree-check.c: New. Tree/CFG checking pass.
9078         * tree-match.c: New. Library for tree pattern matching.
9079         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
9080         * toplev.c, flags.h: Add globals for tree-check pass.
9081         * Makefile.in: Integrate the files in tree-check pass.
9082         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
9083         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
9084         Introduce a "lazy" pretty-print mode.
9085         * tree.c, tree.h: Add tree_name.
9086
9087 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
9088
9089         * doc/invoke.texi (-fgraphite): Correct typo.
9090         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
9091         use of print_loop_ir.
9092         * gcc.dg/graphite/scop-1.c: New.
9093         * gcc.dg/graphite/scop-2.c: New.
9094         * gcc.dg/graphite/graphite.exp: New.
9095         * graphite.c: Include domwalk.h.
9096         (print_scop): Print only the entry and exit blocks.
9097         (debug_scop): No longer static.
9098         (affine_expr): Fix formating.  Return also true when the expression is
9099         constant.
9100         (stmt_simple_for_scop_p): Fix formating.
9101         (build_scops): Use domwalk.
9102         (get_loop_start, end_scop, test_for_scop_bound): New.
9103         (graphite_transform_loops): Avoid printing on stderr.
9104         * graphite.h (debug_scop): Declared.
9105         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
9106         * Makefile.in (graphite.o): Depend on domwalk.h.
9107         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
9108         declarations for static functions.
9109         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
9110         controlling output verbosity.
9111
9112 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
9113             Plesco Alexandru  <shurikx@gmail.com>
9114
9115         * doc/invoke.texi (-fgraphite): Document.
9116         * tree-pass.h (pass_graphite_transforms): Declared.
9117         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
9118         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
9119         (pass_graphite_transforms): Defined.
9120         * tree-data-ref.c (free_data_ref, data_reference): Extern.
9121         * tree-data-ref.h (free_data_ref, data_reference): Declared.
9122         * graphite.c, graphite.h: New.
9123         * common.opt (fgraphite): Declared.
9124         * tree-flow.h (graphite_transform_loops): Declared.
9125         * Makefile.in (OBJS-common): Add graphite.o.
9126         (graphite.o): New rule.
9127         * passes.c (pass_graphite_transforms): Scheduled.
9128