gcc/ChangeLog.graphite

   1 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
   4         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
   5
   6 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
   7
   8         * tree-scalar-evolution.c (instantiate_scev_convert): New.
   9         (instantiate_scev_1): Move code in instantiate_scev_convert.
  10
  11 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  12
  13         * tree-scalar-evolution.c (instantiate_scev_binary): New.
  14         (instantiate_scev_1): Move code in instantiate_scev_binary.
  15
  16 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  17
  18         * tree-scalar-evolution.c (instantiate_scev_name): New.
  19         (instantiate_scev_1): Move code in instantiate_scev_name.
  20
  21 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
  22
  23         * Merge from mainline (150992:151171).
  24
  25 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
  26
  27         * graphite-dependences.c (graphite_legal_transform_bb): Call
  28         pbb_remove_duplicate_pdrs.
  29         * graphite-poly.c (can_collapse_pdr): Removed.
  30         (pdr_find_duplicate): Removed.
  31         (can_collapse_pdrs): New.
  32         (pbb_remove_duplicate_pdrs): New.
  33         (new_poly_dr): Do not look for duplicates.
  34         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
  35         (PBB_PDR_DUPLICATES_REMOVED): New.
  36         (pbb_remove_duplicate_pdrs): Declared.
  37
  38 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
  39
  40         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
  41         the strides by multiplying by PDR_NB_REFS.
  42         * graphite-poly.c (can_collapse_pdr): New.
  43         (pdr_find_duplicate): New.
  44         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
  45         Initialize PDR_NB_REFS.
  46         * graphite-poly.h (struct poly_dr): Add field nb_refs.
  47         (PDR_NB_REFS): New.
  48         (new_poly_dr): Number of subscripts is a graphite_dim_t.
  49
  50 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
  51
  52         Revert one of the previous commits:
  53         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
  54         the computation of symmetric data dependence relations.
  55         (dependency_between_pbbs_p): Same.
  56
  57 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
  58
  59         PR middle-end/40965
  60         * graphite-poly.c (apply_poly_transforms): Remove legality test before
  61         any transform.
  62
  63 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
  64
  65         * graphite-dependences.c (pddr_original_scattering): Return NULL
  66         for read-read dependence relations.
  67         * graphite-poly.h (enum poly_dr_type): Fix comment.
  68         (pdr_read_p): New.
  69         (pdr_write_p): New.
  70         (pdr_may_write_p): New.
  71
  72 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
  73
  74         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
  75         (struct poly_dr): Same.
  76         (new_poly_dr): Same.
  77         * graphite-poly.c (new_poly_dr): Same.
  78
  79 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
  80             Sebastian Pop  <sebastian.pop@amd.com>
  81
  82         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
  83         pbb_strip_mine_time_depth.  Changed the implementation so that
  84         transformation is expressed as a transformation on
  85         time (scatttering) dimensions.  Also, ensures that the 2d+1
  86         scheduling format is preserved.
  87         (pbb_strip_mine_profitable_p): Profitability is based on the
  88         iteration number of a given time (scattering) dimension,
  89         and not on a original loop depth dimension.
  90         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
  91         (pbb_do_strip_mine): Call psct_dynamic_dim.
  92         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
  93         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
  94         (pbb_nb_dynamic_scattering_transform): New.
  95         (psct_dynamic_dim): New.
  96
  97 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
  98
  99         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 100         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 101         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
 102         * graphite-interchange.c (build_linearized_memory_access): Same.
 103         (memory_stride_in_loop): Same.
 104
 105 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 106
 107         * graphite-dependences.c (pddr_original_scattering): New.
 108         (graphite_legal_transform_dr): Call pddr_original_scattering.
 109         (dot_deps_1): New.
 110         (dot_deps): New.
 111         * graphite-dependences.h (dot_deps): Declared.
 112         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
 113         (print_pdr): Print PDR_ID.
 114         * graphite-poly.h (struct poly_dr): Add field id.
 115         (PDR_ID): New.
 116         (pbb_index): New.
 117         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
 118
 119 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
 120
 121         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
 122         not delete the original dependence relation.
 123
 124 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 125
 126         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 127         the computation of symmetric data dependence relations.
 128         (dependency_between_pbbs_p): Same.
 129
 130 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 131
 132         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
 133         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
 134         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
 135         (free_poly_ddr): New.
 136         (pddr_is_empty): New.
 137         (dependence_polyhedron_1): Now returns a poly_ddr_p.
 138         (dependence_polyhedron): Same.  Remove useless gcc_assert.
 139         Remove fprintfs.
 140         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
 141         (graphite_carried_dependence_level_k): Call pddr_is_empty.
 142         * graphite-dependences.h (enum poly_dependence_kind): New.
 143         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
 144         (PDRP_SOURCE): Renamed PDDR_SOURCE.
 145         (PDRP_SINK): Renamed PDDR_SINK.
 146         (PDRP_DDP): Renamed PDDR_DDP.
 147         (PDDR_KIND): New.
 148         (free_poly_ddr): Declared.
 149         * graphite-poly.c (new_scop): Use the new hash function names.
 150         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
 151         into original_pddrs.
 152         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
 153
 154 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 155
 156         * Merge from mainline (150764:150992).
 157
 158 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 159
 160         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
 161         bounds with LT_EXPR to make niter analysis more precise on code
 162         generated by Graphite.
 163
 164 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 165
 166         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
 167         (graphite_legal_transform_bb): Same.
 168         (poly_drs_may_alias_p): Same.
 169
 170 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
 171
 172         PR middle-end/40981
 173         * graphite-ppl.c (ppl_max_for_le): Correct the use of
 174         ppl_Pointset_Powerset_C_Polyhedron_maximize.
 175
 176 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 177
 178         * graphite-poly.c (print_pbb): Print PBB index.
 179
 180 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 181
 182         * Merge from mainline (r150672:150764).
 183
 184 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 185
 186         * graphite-interchange.c (ppl_max_for_le): Moved...
 187         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
 188         * graphite-ppl.c (ppl_max_for_le): ... here.
 189         * graphite-ppl.h (ppl_max_for_le): Declared.
 190
 191 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 192
 193         * Merge from mainline (r150372:150672).
 194
 195 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 196
 197         PR middle-end/40980
 198         * sese.c (convert_for_phi_arg): New.
 199         (add_guard_exit_phis): Use convert_for_phi_arg.
 200
 201         * testsuite/gfortran.dg/graphite/id-17.f: New.
 202
 203 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 204
 205         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
 206         unknown subscript upper bounds.
 207
 208         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
 209
 210 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 211             Pranav Garg  <pranav.garg2107@gmail.com>
 212
 213         * graphite-interchange.c (gather_access_strides): Removed.
 214         (ppl_max_for_le): New.
 215         (build_linearized_memory_access): New.
 216         (memory_stride_in_loop): New.
 217         (pbb_interchange_profitable_p): Reimplemented.
 218         * graphite-ppl.h (ppl_new_id_map): New.
 219         (ppl_interchange): New.
 220
 221         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
 222
 223 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 224
 225         * graphite-interchange.c (compute_subscript): Removed.
 226         (compute_array_size_cstr): Removed.
 227         (compute_array_size_poly): Removed.
 228         (compute_array_size): Removed.
 229         (gather_access_strides_poly): Removed.
 230         (gather_access_strides): Empty.
 231
 232 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 233
 234         * graphite-dependences.c (dependence_polyhedron_1): Replace
 235         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
 236         (graphite_legal_transform_dr): Same.
 237         (graphite_carried_dependence_level_k): Same.
 238         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
 239         Initialize PDR_NB_SUBSCRIPTS.
 240         (print_pdr_access_layout): Replace pdr_nb_subscripts with
 241         PDR_NB_SUBSCRIPTS.
 242         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
 243         (PDR_NB_SUBSCRIPTS): New.
 244         (pdr_nb_subscripts): Removed.
 245         (pdr_dim): Simplified.
 246         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
 247         with PDR_NB_SUBSCRIPTS.
 248
 249 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 250
 251         * graphite-interchange.c (compute_array_size): Remove use of
 252         PDR_DATA_CONTAINER.
 253         * graphite-poly.c (new_poly_dr): Remove argument data_container.
 254         Do not initialize PDR_DATA_CONTAINER.
 255         (print_pdr): Do not print PDR_DATA_CONTAINER.
 256         * graphite-poly.h (struct poly_dr): Remove data_container field.
 257         (PDR_DATA_CONTAINER): Removed.
 258         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
 259         PDR_DATA_CONTAINER.
 260         (build_poly_dr): Same.
 261
 262 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 263
 264         * testsuite/gcc.dg/graphite/interchange-9.c: New.
 265
 266 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 267             Sebastian Pop  <sebastian.pop@amd.com>
 268
 269         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
 270         copy of the dependence polyhedron.  Free the temporary objects.
 271         (graphite_carried_dependence_level_k): Free unused objects before
 272         returning.
 273
 274         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
 275         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
 276         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
 277         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
 278         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
 279
 280 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 281
 282         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
 283         Early return without analyzing the data dependences if no
 284         transform has been done.  Call restore_scattering if the transform
 285         is not legal.
 286         (graphite-interchange.c): Same.
 287         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
 288         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
 289         (apply_poly_transforms): Do not gcc_assert that
 290         the transform is legal.
 291         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 292         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
 293         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
 294         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 295         * graphite-poly.h (struct poly_scattering): New.
 296         (struct poly_bb): Add original, transformed, and saved fields.
 297         Remove transformed_scattering, original_scattering, nb_local_variables,
 298         and nb_scattering_transform fields.
 299         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
 300         (poly_scattering_new): New.
 301         (poly_scattering_free): New.
 302         (poly_scattering_copy): New.
 303         (store_scattering_pbb): New.
 304         (store_scattering): New.
 305         (restore_scattering_pbb): New.
 306         (restore_scattering): New.
 307         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
 308         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
 309
 310 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 311
 312         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
 313         (print_scop): Same.
 314
 315 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 316
 317         * Makefile.in (graphite.o): Depends on PREDICT_H.
 318         * graphite.c: Include predict.h.
 319         (graphite_finalize): Call tree_estimate_probability.
 320         * predict.c (predict_loops): Do not call scev_initialize and
 321         scev_finalize.
 322         (tree_estimate_probability_bb): New.
 323         (tree_estimate_probability): Do not initialize loops: move that
 324         code to the driver.  Call tree_estimate_probability_bb.
 325         (tree_estimate_probability_driver): New.
 326         (pass_profile): Use tree_estimate_probability_driver.
 327         * predict.h (tree_estimate_probability): Declared.
 328
 329 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 330
 331         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
 332         * graphite-dependences.c (graphite_legal_transform): Add time to
 333         TV_GRAPHITE_DATA_DEPS.
 334         (dependency_between_pbbs_p): Same.
 335         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
 336
 337 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
 338
 339         * Merge from mainline (r149952:150372).
 340
 341 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 342
 343         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
 344         * graphite-blocking.c: Same.
 345         * graphite-clast-to-gimple.c: Same.
 346         * graphite-dependences.c: Same.
 347         * graphite-poly.c: Same.
 348         * graphite-poly.h: Same.
 349         * graphite-ppl.c: Same.
 350         * graphite-scop-detection.c: Same.
 351         * graphite-sese-to-poly.c: Same.
 352         * graphite.c: Same.
 353
 354 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 355
 356         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
 357         (remove_simple_copy_phi): New.
 358         (remove_invariant_phi): New.
 359         (simple_copy_phi_p): New.
 360         (reduction_phi_p): New.
 361         (gsi_for_ssa_name_def): New.
 362         (insert_out_of_ssa_copy): New.
 363         (insert_out_of_ssa_copy_on_edge): New.
 364         (create_zero_dim_array): New.
 365         (scalar_close_phi_node_p): New.
 366         (rewrite_close_phi_out_of_ssa): New.
 367         (rewrite_phi_out_of_ssa): New.
 368         (rewrite_reductions_out_of_ssa): New.
 369         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
 370
 371         * testsuite/gcc.dg/graphite/id-11.c: New.
 372         * testsuite/gcc.dg/graphite/id-15.c: New.
 373         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
 374         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
 375         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
 376         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
 377         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
 378         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
 379         * testsuite/gfortran.dg/graphite/id-13.f: New.
 380         * testsuite/gfortran.dg/graphite/id-5.f: New.
 381
 382 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 383
 384         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
 385         check that nb_reductions_in_loop is zero.
 386         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
 387         reduction phi nodes.
 388         (nb_reductions_in_loop): Removed.
 389         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
 390         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
 391         (bb_contains_non_iv_scalar_phi_nodes): Removed.
 392         (scop_contains_non_iv_scalar_phi_nodes): Removed.
 393         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
 394
 395 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 396
 397         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
 398         statements that have an empty iteration domain.
 399         * testsuite/gfortran.dg/graphite/id-16.f: New.
 400
 401 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 402
 403         * tree-scalar-evolution.c (instantiate_scev_1): Return
 404         chrec_dont_know when the result is not above instantiate_below.
 405         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
 406         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
 407         the tree has a known scalar evolution.
 408         * testsuite/gfortran.dg/graphite/id-14.f: New.
 409         * testsuite/gfortran.dg/graphite/id-15.f: New.
 410
 411 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 412
 413         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
 414         insert_gsi.
 415         (rename_variables): Keep inserting renames after the ones already
 416         inserted.
 417
 418 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 419
 420         * graphite-sese-to-poly.c (compare_bb_depths): New.
 421         (graphite_sort_dominated_info): New.
 422         (build_scop_bbs_1): Call graphite_sort_dominated_info.
 423         (build_scop_scattering): Fix comment.
 424
 425 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 426
 427         * graphite.c (graphite_finalize): Call print_loops instead of
 428         dump_function_to_file.
 429         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
 430         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
 431         loops generated in the graphite output file.
 432         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
 433         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
 434         * testsuite/gfortran.dg/graphite/id-12.f: New.
 435
 436 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 437
 438         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
 439         Remove 2 XFAIL.
 440
 441 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 442             Tobias Grosser  <grosser@fim.uni-passau.de>
 443
 444         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
 445         alias set number build alias in ACCESSES polyhedron.
 446         (build_alias_set_for_drs): New.
 447         (build_pbb_drs): Added build_alias_set_for_drs.
 448         * graphite-dependences.c (poly_drs_may_alias_p): New.
 449         (graphite_carried_dependence_level_k): Check alias information
 450         before building polyhedron.
 451
 452 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 453
 454         * Makefile.in (lambda-code.o): Fix formatting.
 455
 456 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 457
 458         * Merge from mainline (r149350-149952)
 459
 460 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 461
 462         * graphite-poly.c (apply_poly_transforms): Move strip_mine
 463         before interchange to prepare for loop blocking.
 464
 465 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 466
 467         * graphite-poly.c (apply_poly_transforms): Add checks after every
 468         transformation.
 469         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
 470         done in apply_poly_transforms.
 471
 472 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 473
 474         * graphite-dependences.c (build_lexicographically_gt_constraint):
 475         Replace RES parameter with *RES.
 476         (dependence_polyhedron_1): Pass an address of the parameter RES
 477         instead of value of RES.
 478
 479 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 480
 481         * graphite.c (graphite_finalize): Fix comment.
 482         (graphite_transform_loops): Reset scev info after code generation
 483         of each scop.
 484
 485 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 486
 487         * graphite.c (graphite_finalize): Call scev_reset.
 488
 489 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 490
 491         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
 492         GBB_CLOOG_IV_TYPES hash table twice.
 493         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
 494         (add_condition_to_domain): Clear GMP values.
 495
 496 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 497
 498         * graphite-dependences.c: Fix formatting.
 499         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
 500         (pbb_number_of_iterations): Free ppl_Linear_Expression.
 501         * graphite-sese-to-poly.c: Fix formatting.
 502         * graphite.c (graphite_transform_loops): Create the hash table
 503         after the early return.
 504
 505 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 506
 507         * testsuite/gcc.dg/graphite/id-14.c: New.
 508         * testsuite/gcc.dg/graphite/pr40157.c: New.
 509         * testsuite/gfortran.dg/graphite/id-11.f: New.
 510
 511 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 512
 513         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
 514         (build_poly_scop): Return false when there are no pbbs within
 515         loops to avoid to pass to cloog scops with no loops.
 516
 517 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 518
 519         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
 520         useless test "i % 2".
 521         (build_pbb_scattering_polyhedrons): Fix formatting.
 522         (build_poly_dr): Same.
 523         * graphite.c (graphite_transform_loops): Restructure.
 524
 525 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
 526
 527         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
 528         reduction_list parameter.
 529         (rewrite_all_phi_nodes_with_iv): Same.
 530         (canonicalize_loop_ivs): Same.
 531         * tree-parloops.c (struct brli): Removed.
 532         (build_reduction_list_info): Removed.
 533         (build_new_reduction): New.
 534         (analyze_reduction_list): Removed.
 535         (gather_scalar_reductions): Find reductions instead of phi
 536         nodes that can't be canonicalized.
 537         (try_create_reduction_list): Remove reduction_list parameter.
 538         (gen_parallel_loop): Same.
 539         (parallelize_loops): Remove analyze_reductions variable,
 540         initialization and free.
 541         Change reduction_list htab initialization to reduction_info
 542         elements instead of ssa names.
 543         Call try_create_reduction_list and gen_parallel_loop without
 544         analyzed_reduction argument.
 545         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
 546         canonicalize_loop_ivs with one less argument.
 547         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
 548
 549 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
 550
 551         * graphite-dependences.c (new_poly_dr_pair): New.
 552         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
 553         (new_poly_dr_pair): New.
 554         (eq_poly_dr_pair_p): New.
 555         (hash_poly_dr_pair_p): New.
 556         * graphite-dependences.h (struct poly_dr_pair): New.
 557         (eq_poly_dr_pair_p): Declared.
 558         (hash_poly_dr_pair_p): Declared.
 559         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
 560         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
 561         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
 562         * Makefile.in (graphite-poly.o): Add dependence on
 563         graphite-dependences.h.
 564
 565 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 566
 567         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
 568         polynomials of degree > 1 pass to Graphite.
 569         * tree-chrec.c (scev_is_linear_expression): Call
 570         evolution_function_is_affine_multivariate_p.
 571         * testsuite/gfortran.dg/graphite/id-10.f90: New.
 572
 573 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 574
 575         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
 576         Instantiate scevs varying in outer loops.
 577         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
 578
 579 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 580
 581         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
 582         redundant constraint.
 583
 584 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 585
 586         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
 587         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
 588         based on the file names as in the C testsuite.
 589         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
 590         * testsuite/gfortran.dg/graphite/block-2.f: Same.
 591         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
 592         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
 593         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
 594         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
 595         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
 596         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
 597         * testsuite/gfortran.dg/graphite/id-6.f: Same.
 598         * testsuite/gfortran.dg/graphite/id-9.f: Same.
 599         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
 600         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
 601         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
 602
 603 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 604
 605         * sese.c (expand_scalar_variables_call): New.
 606         (expand_scalar_variables_ssa_name): Handle calls in expander.
 607
 608 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 609
 610         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
 611         Expect to see the pattern twice.
 612         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
 613         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
 614         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
 615
 616 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 617
 618         * testsuite/gcc.dg/graphite/id-10.c: New.
 619         * testsuite/gcc.dg/graphite/id-12.c: New.
 620         * testsuite/gfortran.dg/graphite/id-7.f: New.
 621         * testsuite/gfortran.dg/graphite/id-8.f: New.
 622
 623 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 624
 625         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
 626         zero.
 627
 628 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 629
 630         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
 631
 632 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 633
 634         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
 635
 636 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
 637
 638         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
 639         building PDR subscripts.
 640
 641 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
 642
 643         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
 644         computation of array sizes.
 645
 646 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
 647
 648         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
 649
 650 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
 651
 652         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
 653         build_pairwise_constraint, dr_equality_constraints,
 654         build_pairwise_scheduling_equality,
 655         build_pairwise_scheduling_inequality, lexicographically_gt_p,
 656         build_lexicographically_gt_constraint, dependence_polyhedron,
 657         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
 658         Move from NNC_Polyhedron to C_Polyhedron.
 659         * graphite-interchange.c (compute_array_size_poly,
 660         gather_access_strides): Dito.
 661         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
 662         free_scop, pbb_number_of_iterations): Dito.
 663         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
 664         pbb_dim_iter_domain, struct scop): Dito.
 665         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
 666         new_Cloog_Domain_from_ppl_Polyhedron,
 667         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
 668         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
 669         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
 670         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
 671         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
 672         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
 673         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
 674         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
 675         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
 676         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
 677         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
 678         build_scop_iteration_domain, build_poly_dr): Dito
 679
 680 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 681
 682         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
 683         run-id-*.c files.
 684         * testsuite/gcc.dg/graphite/run-id-1.c: New.
 685
 686 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 687
 688         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
 689         positivity constraint on the symbolic number of iterations.
 690
 691 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 692
 693         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
 694
 695 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 696             Tobias Grosser  <grosser@fim.uni-passau.de>
 697
 698         * graphite-clast-to-gimple.c (build_scop_context): Removed.
 699         (build_cloog_prog): Directly use SCOP_CONTEXT.
 700         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
 701         (free_scop): Free SCOP_CONTEXT.
 702         (print_scop_context): New.
 703         (print_scop): Call print_scop_context.
 704         (debug_scop_context): New.
 705         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
 706         (struct scop): Added field context.
 707         (SCOP_CONTEXT): New.
 708         * graphite-sese-to-poly.c (add_param_constraints): New.
 709         (build_scop_context): New.
 710         (build_poly_scop): Call build_scop_context.
 711
 712 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 713
 714         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
 715         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
 716         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
 717         * graphite-ppl.h: Include double-int.h and tree.h.
 718         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
 719         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
 720         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
 721         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
 722
 723 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 724
 725         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
 726         POINTER_PLUS_EXPR for pointer types.
 727         (clast_to_gcc_expression): Same.
 728
 729 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 730
 731         * graphite-poly.c (print_scattering_function): Early return when
 732         PBB_TRANSFORMED_SCATTERING is not initialized.
 733         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
 734
 735 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
 736
 737         * tree-parloops.c (analyze_reduction_list): Remove unused variable
 738         to fix bootstrap.
 739
 740 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
 741
 742         * tree-parloops.c (analyze_reduction_list): Change return
 743         value to void.
 744         (try_create_reduction_list): Move the call to
 745         analyze_reduction_list to the beginining.
 746         Call reduction_phi with analyzed_reductions as argument
 747         instead of reduction_list.
 748
 749 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
 750
 751         *  Merge from mainline (r148296:149346)
 752
 753 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 754
 755         * graphite-scop-detection.c (graphite_can_represent_init): New.
 756         (graphite_can_represent_scev): Call graphite_can_represent_init:
 757         check that the initial value does not contain multiplications of
 758         parameters.
 759         (stmt_has_simple_data_refs_p): New.
 760         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
 761         (is_simple_operand): Fix formatting.
 762         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
 763
 764 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 765
 766         * testsuite/gcc.dg/graphite/id-13.c: New.
 767         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
 768         analyze_scalar_evolution, use scalar_evolution_in_region.
 769         (scan_tree_for_params_right_scev): Add extra assert.
 770         (parameter_index_in_region_1): Split from parameter_index_in_region.
 771         (idx_record_params): Use scalar_evolution_in_region.
 772         (find_params_in_bb): Same.
 773         (find_scop_parameters): Same.
 774         (build_loop_iteration_domains): Same.
 775         (create_linear_expr_from_tree): Same.
 776         * sese.c (scalar_evolution_in_region): New.
 777         * sese.h (scalar_evolution_in_region): Declared.
 778         (defined_in_sese_p): New.
 779         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
 780         static anymore.
 781         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
 782         Declared.
 783
 784 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 785
 786         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
 787         TREE_DATA_REF_H also implies SCEV_H.
 788
 789 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 790
 791         * graphite-poly.c (print_scop_params): New.
 792         (print_scop): Call print_scop_params.
 793         (debug_scop_params): New.
 794         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
 795
 796 2009-07-07  Li Feng  <nemokingdom@gmail.com>
 797
 798         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
 799         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
 800         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
 801         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
 802         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
 803         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
 804
 805 2009-07-07  Li Feng  <nemokingdom@gmail.com>
 806
 807         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
 808         for dependency checking part.
 809         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
 810         tests for dependency checking.
 811         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
 812         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
 813         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
 814         flag -fdump-tree-graphite-all for autopar testsuites.
 815
 816 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
 817
 818         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
 819         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
 820         canonicalize_loop_ivs): Moved...
 821         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
 822
 823 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
 824
 825         * tree-parloops.c (try_create_reduction_list): Pass an extra
 826         argument analyzed_reductions.  Call analyze_reduction_list.
 827         (gen_parallel_loop): Do not call analyze_reduction_list.
 828         (parallelize_loops): Init and finalize analyzed_reductions.
 829
 830 2009-07-06  Li Feng  <nemokingdom@gmail.com>
 831
 832         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
 833         Added flag -fno-loop-strip-mine for autopar testcase.
 834
 835 2009-07-04  Li Feng  <nemokingdom@gmail.com>
 836
 837         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
 838         transformed scattering dimension instead of unmatch orignal when
 839         calling dependence_polyhedron.
 840
 841 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
 842
 843         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
 844
 845 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
 846
 847         * graphite-poly.c (pbb_number_of_iterations): Check for returned
 848         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
 849
 850 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
 851
 852         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
 853         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
 854         * graphite-poly.c (pbb_number_of_iterations): New.
 855         * graphite-poly.h (pbb_number_of_iterations): Declared.
 856         (pbb_iterator_dim, pbb_parameter_dim): New.
 857
 858 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
 859
 860         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
 861         last commit on type of lower and upper bound of loops.
 862
 863 2009-06-29  Li Feng  <nemokingdom@gmail.com>
 864
 865         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
 866         graphite-dependences.h.
 867         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
 868         (mark_bb_with_pbb): New.
 869         (get_stmtfor_depth): New.
 870         (find_pbb_via_hash): New.
 871         (dependency_in_loop_p): New.
 872         (mark_loops_parallel): New.
 873         (free_aux_in_new_loops): New.
 874         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
 875         bb with it's relevant pbb. Mark newly created loops.  Remove mark
 876         innermost loop parallel without checking.
 877         (gloog): Add parameter BB_PBB_MAPPING.
 878         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
 879         (gloog): Change declaration.
 880         (mark_loop_parallel): Make extern.
 881         (free_aux_in_new_loops): Declare.
 882         (bb_pbb_map_hash): New.
 883         (eq_bb_pbb_map): New.
 884         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
 885         auto parallelization when flag_graphite_force_parallel is set.
 886         (graphite_finalize): Added free_aux_in_new_loops.
 887         * tree-parloops.c (parallelize_loops): Only generate parallel code for
 888         the innermost loop that marked parallel.  Use
 889         flag_graphite_force_parallel instead of loop->can_be_parallel.
 890         (loop_parallel_p): Move inner most checking out of function.
 891
 892 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 893
 894         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
 895         type of lower and upper bound of loops signed long int.
 896
 897 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 898
 899         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
 900         expression outside the loop.
 901
 902 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 903
 904         * gcc.dg/graphite/interchange-8.c: New.
 905
 906 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 907
 908         * gcc.dg/graphite/interchange-0.c: XFailed.
 909         * gcc.dg/graphite/interchange-5.c: XFailed.
 910         * gcc.dg/graphite/interchange-6.c: XFailed.
 911
 912 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 913
 914         * graphite-interchange.c (compute_array_size_poly): The end of the
 915         recursion should return 1.
 916
 917 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 918
 919         * graphite-interchange.c (compute_array_size_cstr): Allow the
 920         subscript multiplier to be -1.
 921         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
 922         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
 923         data_container.  Initializes PDR_DATA_CONTAINER.
 924         (print_pdr_access_layout): New.
 925         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
 926         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
 927         data_container.
 928         (PDR_DATA_CONTAINER): New.
 929         (new_poly_dr): Update declaration.
 930         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
 931         (build_poly_dr): Call pdr_add_data_dimensions.
 932
 933 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 934
 935         * graphite-poly.h (struct poly_dr): Fix comment.
 936         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
 937         (pdr_add_memory_accesses): New.
 938         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
 939
 940 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 941
 942         * graphite-poly.c (print_pdrs, debug_pdrs): New.
 943         (print_pbb): Add call to print_pdrs.
 944         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
 945
 946 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
 947             Li Feng <nemokingdom@gmail.com>
 948
 949         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
 950         (dependency_between_pbbs_p): New.
 951         (lexicographically_gt_p): Assure !empty_p before polyhedron
 952         intersection assign.
 953         (build_lexicographically_gt_constraint): Correct lexicographically
 954         judging.
 955         * graphite-dependences.h: New.
 956         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
 957
 958 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 959
 960         * graphite-clast-to-gimple.c (print_clast_stmt): New.
 961         (gloog): Print to dump_file the generated clast.
 962         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
 963         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
 964
 965 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 966
 967         * graphite-poly.c (extend_scattering): Increment
 968         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
 969
 970 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 971
 972         * graphite-interchange.c (compute_array_size_poly): Added exit of
 973         recursion condition.  Continue iterating even after the first equality.
 974         (compute_array_size): Same.
 975
 976 2009-06-24  Li Feng  <nemokingdom@gmail.com>
 977
 978         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
 979         -fdump-tree-final_cleanup to -fdump-tree-optimized.
 980         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
 981         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
 982         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
 983
 984 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 985
 986         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
 987         only when the use verifies is_gimple_reg.
 988
 989 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 990
 991         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
 992         Allocate scaldims after call to unify_scattering_dimensions.
 993
 994 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 995
 996         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
 997
 998 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 999             Albert Cohen  <albert.cohen@inria.fr>
1000
1001         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
1002         variables for the strip mining.
1003
1004 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1005             Pranav Garg  <pranav.garg2107@gmail.com>
1006
1007         * Makefile.in (OBJS-common): Added graphite-blocking.o.
1008         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
1009         (graphite-blocking.o): New rule.
1010         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
1011         * graphite-blocking.c: New.
1012         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
1013         flag_loop_strip_mine.
1014         (psct_scattering_dim_for_loop_depth): New.
1015         * graphite-poly.h (scop_do_strip_mine): Declared.
1016         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
1017         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
1018         flag_loop_strip_mine.
1019
1020 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1021
1022         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
1023         a GMP value and a PPL coefficient at each iteration of a loop.
1024
1025 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1026
1027         * graphite-dependences.c (dependence_polyhedron): Do not use
1028         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
1029         pbb_nb_scattering_transform.
1030         (graphite_legal_transform_dr): Same.
1031         * graphite-poly.c (extend_scattering): Same.
1032         (unify_scattering_dimensions): Same.
1033         (print_scattering_function): Same.
1034         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
1035         PBB_NB_LOCAL_VARIABLES.
1036         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
1037         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
1038         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
1039         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
1040         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
1041         (pbb_nb_scattering_transform): New.
1042         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
1043         (psco_scattering_dim): Add assert on parameters.
1044         (psct_scattering_dim): Same.
1045         (psct_scattering_dim_for_loop_depth): Declared.
1046         (psct_local_var_dim): New.
1047         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
1048         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
1049         correct layout, call pbb_nb_local_vars.
1050         (psct_add_local_variable, psct_add_scattering_dimension): New.
1051         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1052         Initialize PBB_NB_SCATTERING_TRANSFORM.
1053
1054 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1055
1056         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
1057         (set_coef): Renamed ppl_set_coef.
1058         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
1059
1060 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1061
1062         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
1063         test a boolean against 1.
1064         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
1065         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
1066         (pbb_do_interchange): Returns true when a transform has been performed.
1067         (scop_do_interchange): Same.
1068         * graphite-poly.c (apply_poly_transforms): Use the return value of
1069         scop_do_interchange.
1070         * graphite-poly.h (scop_do_interchange): Update declaration.
1071
1072 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1073
1074         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
1075         after last use.
1076         * sese.c (sese_reset_aux_in_loops): New.
1077         * sese.h (sese_reset_aux_in_loops): New.
1078
1079 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1080
1081         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
1082         multiplier and multiply the constant by the multiplier.
1083         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
1084         (build_poly_dr): Do not use the multiplier to define the subscript.
1085
1086 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1087
1088         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
1089         compiler's data reference.  Initialize PDR_CDR.
1090         (print_pdr): Call dump_data_reference.
1091         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
1092         Add compiler_dr field.
1093         (PDR_BB): Renamed PDR_PBB.
1094         (PDR_CDR): New.
1095         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
1096         GCC's data reference representation.
1097         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
1098         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
1099
1100 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1101
1102         * graphite-poly.c (print_scattering_function): Also print the layout.
1103         * graphite-poly.h (pbb_nb_local_vars): New.
1104
1105 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1106
1107         * graphite-poly.c (print_pbb_domain): Also print the layout names.
1108
1109 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1110
1111         * graphite-poly.c (print_pdr, debug_pdr): New.
1112         * graphite-poly.h (print_pdr, debug_pdr): Declared.
1113         (PDR_BASE): Removed.
1114
1115 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1116
1117         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
1118         ltrans-{1..6,8}.c.
1119
1120 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1121
1122         * graphite-interchange.c (compute_subscript): Allow also -1 in the
1123         subscript identification column.
1124         (pbb_do_interchange): Print to dump_file that some loops "will be
1125         interchanged".  Rely on that chain of characters in the testcases.
1126         * gcc.dg/graphite/interchange-0.c: New.
1127         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
1128         interchange-*.c files and compile them with -floop-interchange.
1129
1130 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
1131
1132         * graphite-interchange.c (interchange_profitable_p): Renamed
1133         pbb_interchange_profitable_p.
1134
1135 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1136             Harsha Jagasia  <harsha.jagasia@amd.com>
1137             Pranav Garg  <pranav.garg2107@gmail.com>
1138
1139         * graphite-interchange.c (interchange_profitable_p): Make static.
1140         (pbb_interchange_loop_depths, pbb_do_interchange,
1141         scop_do_interchange): New.
1142         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
1143         for flag_loop_interchange.
1144         * graphite-poly.h (scop_do_interchange): Declared.
1145         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
1146         flag_loop_interchange is used.
1147
1148 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1149
1150         * graphite-dependences.c (dependence_polyhedron): Update use of
1151         pbb_nb_scattering_dims.
1152         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
1153         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
1154         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
1155         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
1156
1157 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1158
1159         * graphite.c: Cleanup foo.
1160
1161 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1162
1163         * Merge from mainline (r143684:148293).
1164         * Disabled libpcp until it gets fixed.
1165
1166 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
1167             Harsha Jagasia  <harsha.jagasia@amd.com>
1168
1169         * graphite-interchange.c: New.
1170         * Makefile.in (graphite-interchange.o): New.
1171         * graphite-poly.h (interchange_profitable_p): Declared.
1172         * graphite-ppl.h (value_max): New.
1173
1174 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1175
1176         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
1177         * graphite-poly.h: Fix some comments.
1178         (pdr_dim): New.
1179         (pdr_scop): New.
1180
1181 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1182
1183         * graphite-poly.h
1184         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
1185         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
1186         (pdr_accessp_nb_params): Renamed pdr_nb_params.
1187         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
1188         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
1189         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
1190         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
1191         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
1192         * graphite-clast-to-gimple.c: Same.
1193         * graphite-dependences.c: Same.
1194         * graphite-poly.c: Same.
1195         * graphite-sese-to-poly.c: Same.
1196
1197 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1198
1199         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
1200         expressions for an IV rename, as returned by clast_to_gcc_expression.
1201         (copy_renames): Rename new_name to expr.
1202         * sese.c (debug_rename_elt): Same.
1203         (get_rename): Same.
1204         (set_rename): Same.
1205         (sese_adjust_liveout_phis): Call force_gimple_operand before using
1206         the information from the rename map.
1207         (rename_variables_in_stmt): Same.
1208         (add_loop_exit_phis): Rename new_name to expr.
1209         (insert_loop_close_phis): Same.
1210         (add_guard_exit_phis): Same.  Call force_gimple_operand.
1211         * sese.h (struct rename_map_elt): Rename new_name to expr.
1212         (new_rename_map_elt): Same.
1213
1214 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1215
1216         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
1217         * sese.c (set_rename): Make it extern.
1218         * sese.h (set_rename): Declared.
1219
1220 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1221
1222         * graphite-poly.c (extend_scattering): Free values.
1223         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
1224         Free iterators.
1225         (ppl_print_powerset_matrix): Same.
1226         * graphite-scop-detection.c (free_scops_1): New.
1227         (limit_scops): Call free_scops_1.
1228         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
1229         (build_poly_dr): Free PPL coefficients.
1230         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
1231
1232 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
1233
1234         * graphite-dependences.c: New.
1235         * graphite-data-ref.c: Removed.
1236         * graphite-data-ref.h: Removed.
1237         * Makefile.in (graphite-data-ref.o): Removed.
1238         (graphite-dependences.o): Added.
1239         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
1240         * graphite-poly.c: Same.
1241         Move the data dependence testing to graphite-dependences.c.
1242
1243 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1244
1245         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
1246         from graphite_cannot_represent_loop. Code refactored.
1247         (scopdet_basic_block_info): Call graphite_can_represent_loop.
1248
1249 2009-05-17  Li Feng  <nemokingdom@gmail.com>
1250
1251         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1252         Cover all the testcases (not only the filtered ones).
1253
1254 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1255
1256         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
1257         unnecessary check. Update comments. Move check for REAL_TYPE here.
1258         (harmful_stmt_in_bb): Remove checks for conditions. This is already
1259         done in (stmt_simple_for_scop_p).
1260
1261 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
1262
1263         * graphite.c (print_global_statistics): New.
1264         (print_graphite_scop_statistic): New.
1265         (print_graphite_statistics): New.
1266         (graphite_initialize, graphite_transform_loops): Print statistics.
1267         * graphite-scop-detection (build_scops): Print statistics.
1268         (print_graphite_scop_statistics): New.
1269         (print_graphite_statistics): New.
1270
1271 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1272
1273         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
1274         (debug_clast_name_index): Removed.
1275         (debug_clast_name_indexes_1): Removed.
1276         (debug_clast_name_indexes): Removed.
1277         (clast_name_index_elt_info): Removed.
1278         (eq_clast_name_indexes): Removed.
1279         (clast_name_to_index): Removed.
1280         (new_clast_name_index): Removed.
1281         (save_clast_name_index): Removed.
1282         (save_var_name): Moved...
1283         (init_sese_params_index): Removed.
1284         (clast_name_to_gcc): Remove use of name_tree.
1285         (initialize_cloog_names): Same.
1286         (gloog): Do not call init_sese_params_index.
1287         * graphite-sese-to-poly.c (save_var_name): ...here.
1288         (parameter_index_in_region): New.
1289         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
1290         (parameter_index_in_region): Removed.
1291         (is_parameter): Remove use of name_tree.
1292         * sese.h (struct name_tree): Removed.
1293         (struct sese): Remove use of name_tree.  New field params_names.
1294         (SESE_PARAMS_NAMES): New.
1295         (SESE_PARAMS): Remove duplicate.
1296         (parameter_index_in_region): Removed.
1297         (sese_nb_params): Remove use of name_tree.
1298         (struct clast_name_index): New.
1299         (new_clast_name_index): New.
1300         (clast_name_to_index): New.
1301         (save_clast_name_index): New.
1302         (debug_clast_name_index): New.
1303         (debug_clast_name_indexes_1): New.
1304         (debug_clast_name_indexes): New.
1305         (clast_name_index_elt_info): New.
1306         (eq_clast_name_indexes): New.
1307
1308 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1309
1310         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
1311         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
1312         (graphite_loop_normal_form): Do not pass region.  Do not
1313         initialize SESE_OLDIVS.
1314         (build_graphite_loop_normal_form): Update call to
1315         graphite_loop_normal_form.
1316         * sese.c (debug_oldivs): Removed.
1317         (new_sese): Do not initialize SESE_OLDIVS.
1318         (free_sese): Do not free SESE_OLDIVS.
1319         (oldiv_for_loop): Removed.
1320         * sese.h (struct sese): Remove old_ivs.
1321         (SESE_OLDIVS): Removed.
1322         (oldiv_for_loop): Removed.
1323
1324 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1325
1326         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
1327         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
1328         replaced by a call to newivs_to_depth_to_newiv.
1329         (clast_to_gcc_expression): Pass newivs, remove ivstack.
1330         (clast_to_gcc_expression_red): Same.
1331         (gcc_type_for_clast_expr): Same.
1332         (gcc_type_for_clast_eq): Same.
1333         (graphite_translate_clast_equation): Same.
1334         (graphite_create_guard_cond_expr): Same.
1335         (graphite_create_new_guard): Same.
1336         (graphite_create_new_loop): Same.
1337         (build_iv_mapping): Same.
1338         (translate_clast): Same.
1339         (gloog): Same.
1340         (loop_iv_stack_patch_for_consts): Removed.  *
1341         sese.c (iv_stack_entry_is_constant): Removed.
1342         (iv_stack_entry_is_iv): Removed.
1343         (loop_iv_stack_push_iv): Removed.
1344         (loop_iv_stack_insert_constant): Removed.
1345         (loop_iv_stack_pop): Removed.
1346         (loop_iv_stack_get_iv): Removed.
1347         (loop_iv_stack_get_iv_from_name): Removed.
1348         (debug_loop_iv_stack): Removed.
1349         (free_loop_iv_stack): Removed.
1350         (loop_iv_stack_remove_constants): Removed.  *
1351         sese.h (iv_stack_entry_kind): Removed.
1352         (iv_stack_entry_data_union): Removed.
1353         (iv_stack_entry_struct): Removed.
1354         (iv_stack_entry_p): Removed.
1355         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
1356         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
1357         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
1358         loop_iv_stack_pop, free_loop_iv_stack): Removed.
1359         (gbb_loop_at_index): Fix indenting.
1360         (gbb_loop_index): Removed.
1361
1362 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1363
1364         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
1365         Call clast_name_to_index.
1366
1367 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1368
1369         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
1370         do not pass params.  Get params from SESE_PARAMS.
1371         (clast_to_gcc_expression): Same.
1372         (clast_to_gcc_expression_red): Same.
1373         (gcc_type_for_clast_eq): Same.
1374         (graphite_translate_clast_equation): Same.
1375         (graphite_create_new_loop): Same.
1376         * sese.c (rename_variables_in_stmt): Fix comment.
1377
1378 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1379
1380         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
1381         newivs_index.
1382         Call save_clast_name_index.
1383         (translate_clast): Pass newivs_index.
1384         (gloog): Create and free newivs_index.
1385
1386 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1387
1388         * graphite-clast-to-gimple.c (clast_name_index): New structure.
1389         (clast_name_index_p): New type.
1390         (debug_clast_name_index): New.
1391         (debug_clast_name_indexes_1): New.
1392         (debug_clast_name_indexes): New.
1393         (clast_name_index_elt_info): New.
1394         (eq_clast_name_indexes): New.
1395         (clast_name_to_index): New.
1396         (new_clast_name_index): New.
1397         (save_clast_name_index): New.
1398         (init_sese_params_index): New.
1399         (gloog): Call init_sese_params_index.
1400         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
1401         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
1402         (free_sese): Free SESE_PARAMS_INDEX.
1403         * sese.h (struct sese): Add params_index.
1404         (SESE_PARAMS_INDEX): New.
1405
1406 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1407
1408         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
1409         (graphite_create_new_loop): Pass the newivs vector.  Push the
1410         newly created IV to newivs.
1411         (translate_clast): Pass the newivs vector.
1412         (gloog): Create and destroy the newivs vector.
1413
1414 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1415
1416         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
1417         (graphite_loop_normal_form): Initialize loop->aux with the unique
1418         IV that has been created.
1419
1420 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
1421
1422         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
1423         scev with parameters in the base part. They where forbidden
1424         exidently.
1425
1426 2009-05-11  Li Feng  <nemokingdom@gmail.com>
1427
1428         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
1429         compile options by file names.
1430         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
1431         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
1432         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
1433         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
1434
1435 2009-05-08  Li Feng <nemokingdom@gmail.com>
1436
1437         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
1438         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
1439         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
1440         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
1441
1442 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1443
1444         * graphite-scop-detection (build_scops_1): Fix little bug introduced
1445         by final cleanup.
1446
1447 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1448
1449         * graphite-scop-detection.c (graphite_can_represent_scev): Only
1450         allow integer constant strides.
1451         (graphite_can_represent_expr): Depend on outermost_loop.
1452         (stmt_simple_memref_p, graphite_cannot_represent_loop,
1453         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
1454         build_scops_1): Same.
1455         (scopdet_basic_block_info): Same and insert layered SCoP
1456         detection.
1457         (try_generate_gimple_bb): Cleanup.
1458         (build_scops): Enable data references.
1459
1460         * testsuite/gcc.dg/graphite/id-5.c: New.
1461         * testsuite/gcc.dg/graphite/id-9.c: New.
1462         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
1463         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
1464
1465 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1466
1467         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
1468         that we have not yet built for this SCoP.
1469
1470 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1471
1472         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
1473         for complex numbers.
1474
1475 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1476
1477         * graphite-ppl.c: Fix build if cloog is not available.
1478
1479 2009-05-04  Li Feng  <nemokingdom@gmail.com>
1480
1481         * tree-parloops.c (loop_parallel_p): Remove construction of
1482         NITER and REDUCTION_LIST.
1483         (try_get_loop_niter): New.
1484         (try_create_reduction_list): New.
1485         (parallelize_loops): Bypass the failed checkings in autopar
1486         when can_be_parallel in loop structure is set to true.
1487
1488 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1489
1490         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
1491         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
1492
1493 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1494
1495         * graphite-scop-detection.c (stmt_simple_for_scop_p):
1496         Enable EQ_EXPR and NE_EXPR again.
1497
1498 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1499
1500         * graphite-scop-detection.c (graphite_can_represent_scev):
1501         Add check if scev is affine multivariate.
1502         (harmful_stmt_in_bb): Check if we can represent the conditions.
1503         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
1504         harmful_stmt_in_bb.
1505         * testsuite/gcc.dg/graphite/id-7.c: New.
1506
1507 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1508
1509         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
1510         Check all bbs in region, not only the bbs that are represented in
1511         GRAPHITE.
1512         (build_poly_scop): Add newline.
1513         * testsuite/gcc.dg/graphite/id-8.c: New.
1514
1515 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1516
1517         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
1518         when loop initialize.
1519         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
1520         * common.opt: Declare flag_graphite_force_parallel.
1521         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
1522         loop parallel.
1523         * graphite-poly.c (apply_poly_transforms): Introduce
1524         flag_graphite_force_parallel.
1525         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
1526         * toplev.c (process_options): ditto and replace a not correctly
1527         encoded space.
1528
1529 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1530
1531         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
1532         Change the call of gbb_loop_at_index and/or gbb_loop_index due
1533         to the redefinition.
1534         (compute_cloog_iv_types_1): ditto.
1535         (build_iv_mapping): ditto.
1536         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
1537         initialization.
1538         (free_gimple_bb): Removed GBB_LOOPS related free part.
1539         (build_bb_loops): Removed.
1540         * sese.h (struct gimple_bb): Removed loops.
1541         (GBB_LOOPS): Removed.
1542         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
1543         (gbb_loop_index): ditto.
1544
1545 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1546
1547         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
1548         allow non constant strides.
1549         * testsuite/gcc.dg/graphite/scop-20.c: New.
1550
1551 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1552
1553         * graphite-scop-detection.c (dot_all_scops): Fix system call
1554         return value warning.
1555         (dot_scop): Same.
1556
1557 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1558
1559         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
1560         * testsuite/gcc.dg/graphite/scop-3.c: Same.
1561
1562 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1563
1564         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
1565         build_pairwise_constraint, dr_equality_constraints,
1566         build_pairwise_scheduling_equality,
1567         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1568         build_lexicographically_gt_constraint, dependence_polyhedron,
1569         graphite_legal_transform_dr, graphite_legal_transform_bb,
1570         graphite_legal_transform): New.
1571         * graphite-poly.h (graphite_legal_transform): Declared.
1572         * graphite-sese-to-poly.c (build_poly_scop): Call to
1573         graphite_legal_transform is disabled for the moment.
1574
1575 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1576
1577         * graphite-poly.h (pbb_nb_scattering_dims): New.
1578         (pbb_nb_scattering): Use it.
1579
1580 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1581
1582         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
1583         Pointset_Powerset version of ppl_insert_dimensions.
1584         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
1585
1586 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1587
1588         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
1589
1590 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1591
1592         * graphite-poly.h: Fix comment.
1593
1594 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1595
1596         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
1597
1598 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1599
1600         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
1601         statements.
1602
1603 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1604
1605         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
1606         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
1607         conditions.
1608
1609 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
1610
1611         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
1612         handle EQ_EXPR and NE_EXPR.
1613
1614 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1615
1616         * graphite-poly.h (poly_dr): Fix comment.
1617
1618 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
1619             Tobias Grosser  <grosser@fim.uni-passau.de>
1620
1621         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
1622         with a zero dimension polyhedron.
1623         (find_scop_parameters): Move the call to scop_set_nb_params here.
1624         (build_loop_iteration_domains): Store in loop->aux the iteration
1625         domain polyhedron.
1626         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
1627         by any loop in scop.
1628         (build_poly_scop): Do not call scop_set_nb_params.
1629
1630 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
1631             Tobias Grosser  <grosser@fim.uni-passau.de>
1632
1633         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
1634         add_condition_to_domain not GT_EXPR.
1635
1636 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1637
1638         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
1639         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
1640         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
1641         upper_bound_assign to calculate unions.
1642         * testsuite/gcc.dg/graphite/id-6.c: New.
1643
1644 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1645
1646         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
1647         handle abnormal edges.
1648
1649 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1650
1651         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
1652         (free_poly_bb): Also free poly_drs.
1653         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
1654         (poly_dr): Polyhedron to Pointset_Powerset.
1655         (pdr_accessp_nb_subscripts): Same.
1656         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
1657         poly_drs.
1658
1659 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1660
1661         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
1662         names into more meaningful names.
1663
1664 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1665
1666         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
1667         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
1668
1669 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1670
1671         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
1672         the reduction_list.
1673         * tree-parloops.c (rewrite_phi_with_iv): New.
1674         (rewrite_all_phi_nodes_with_iv): New.
1675         (canonicalize_loop_ivs): Call them.
1676
1677 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1678
1679         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
1680         graphite_find_data_references_in_stmt.
1681         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
1682         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
1683
1684 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1685
1686         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
1687
1688 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1689
1690         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
1691         instead of bb_in_region.
1692         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
1693         (build_sese_conditions): Use flag_bb_in_sese.
1694         * sese.c (register_bb_in_sese): Removed.
1695         (new_sese): Remove initialization of SESE_REGION_BBS.
1696         (free_sese): Do not free SESE_REGION_BBS.
1697         * sese.h (struct sese): Remove field region_basic_blocks.
1698         (SESE_REGION_BBS): Removed.
1699         (bb_in_sese_p): Implement in function of bb_in_region.
1700
1701 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1702
1703         * graphite-scop-detection.c (limit_scops): Deal only with single exit
1704         loops.
1705
1706 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1707
1708         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
1709         and EQ_EXPR.
1710         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
1711         (add_condition_to_domain): New.
1712         (add_condition_to_pbb): New.
1713         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
1714         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
1715
1716 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1717
1718         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
1719         ppl_Pointset_Powerset.
1720         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
1721         * graphite-poly.h (poly_bb): poly_bb.domain Same.
1722         (pbb_nb_loops): Same.
1723         * graphite-sese-to-poly.c (build_loop_iteration_domains,
1724         add_conditions_to_domain): Same.
1725         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
1726         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
1727         ppl_const_Polyhedron_t.
1728         (ppl_print_powerset_matrix): New.
1729         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
1730         ppl_print_powerset_matrix): New.
1731         (ppl_print_polyhedron_matrix): Updated.
1732
1733 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1734
1735         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
1736
1737 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1738
1739         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
1740         (print_iteration_domains, debug_iteration_domain,
1741         debug_iteration_domains): New.
1742         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
1743         debug_iteration_domains): Declared.
1744         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
1745         indenting.
1746
1747 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
1748             Sebastian Pop  <sebastian.pop@amd.com>
1749
1750         * graphite-poly.h (print_iteration_domain): New.
1751         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
1752         (build_sese_conditions_1, build_sese_conditions_after,
1753         build_sese_conditions_before): New.
1754         (build_sese_conditions): Rewritten.
1755
1756 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
1757             Tobias Grosser  <grosser@fim.uni-passau.de>
1758
1759         Cleanup of code generation liveouts.
1760         * graphite-clast-to-gimple.c (translate_clast): Use a single
1761         rename_map instead of one per translated statement.
1762         Do not use SESE_LIVEOUT_RENAMES.
1763         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
1764         (gloog): Do not use SESE_LIVEOUT_RENAMES.
1765         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
1766         phi node of a reduction: when a loop contains a reduction used outside
1767         the loop, there should be a scalar close phi node on the exit block.
1768         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
1769         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
1770         (free_sese): Do not free them.
1771         (sese_build_liveouts_use): Do not use them.
1772         (sese_build_liveouts_bb): Same.
1773         (sese_build_liveouts): Same.
1774         (sese_insert_phis_for_liveouts): Same.
1775         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
1776         (defined_in_loop_p): New.
1777         (alive_after_loop): New.
1778         (close_phi_not_yet_inserted_p): New.
1779         (struct alep, alep_p): New.
1780         (add_loop_exit_phis): Remove from the rename_map all the names defined
1781         in the code generated loop.
1782         (insert_loop_close_phis): Traverse the rename_map passed to it.
1783         Don't use SESE_LIVEOUT_RENAMES.
1784         (default_liveout_before_guard): Renamed default_before_guard.
1785         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
1786         (graphite_copy_stmts_from_block): Do not directly call set_rename.
1787         (register_sese_liveout_renames): Removed.
1788         (copy_bb_and_scalar_dependences): Do not call it.
1789         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
1790         reduction_list.
1791         (SESE_LIVEOUT): Removed.
1792         (SESE_LIVEOUT_RENAMES): Removed.
1793         (SESE_REDUCTION_LIST): Removed.
1794         (sese_build_liveouts): Removed.
1795         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
1796         (insert_loop_close_phis): Pass a htab_t instead of a sese.
1797         (insert_guard_phis): Same.
1798         (rename_map_elt): Declare a VEC of them.
1799         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
1800         trees not pointers to trees.
1801
1802         Rewrite in canonical close SSA form:
1803         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
1804         (limit_scops): Close the scop after the block containing the close phi
1805         nodes.
1806         (canonicalize_loop_closed_ssa): New.
1807         (canonicalize_loop_closed_ssa_form): New.
1808         (build_scops): Call canonicalize_loop_closed_ssa_form.
1809
1810         * graphite-sese-to-poly.c: Fix typos.
1811
1812 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
1813
1814         * graphite-poly.c (print_scattering_function, print_pbb_domain):
1815         Extended.
1816         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
1817         (print_pbb): Add conditions.
1818
1819 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1820             Sebastian Pop  <sebastian.pop@amd.com>
1821
1822         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
1823         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
1824         (build_scop_bbs_1): New.
1825         (build_scop_bbs): Rewrite.
1826         * sese.h (bb_in_region): New.
1827
1828 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1829
1830         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
1831         poly_drs vector.
1832         (print_scop): Style.
1833         * graphite-poly.h (poly_bb): Add drs vector.
1834         (PBB_DRS): Add accessor.
1835         * graphite-sese-to-poly.c (build_poly_dr): New.
1836         (build_pbb_drs, build_scop_drs): New.
1837         (build_poly_scop): call build_scop_drs (Disabled at the moment).
1838
1839 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1840
1841         * tree-ssa-loop.c: Include forgotten toplev.h
1842
1843 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1844
1845         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
1846         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
1847         * testsuite/gcc.dg/graphite/pr37928.c: Same
1848         * testsuite/gcc.dg/graphite/pr38409.c: Same
1849         * testsuite/gcc.dg/graphite/pr38498.c: Same
1850         * testsuite/gcc.dg/graphite/pr38559.c: Same
1851         * testsuite/gcc.dg/graphite/pr39335.c: Same
1852         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
1853         * testsuite/gfortran.dg/graphite/block-2.f: Same
1854         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
1855         with -floop-*.
1856
1857 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
1858
1859         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
1860         build_access_matrix, build_scop_data_accesses): Remove access function
1861         building. (We get a new version soon).
1862         (build_bb_loops, scan_tree_for_params_right_scev): Update.
1863         * sese.h (nb_loops_around_loop_in_sese): Remove.
1864         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
1865
1866 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
1867             Sebastian Pop  <sebastian.pop@amd.com>
1868
1869         * graphite-scop-detection.c (struct scopdet_info): Rename last
1870         field to exit.
1871         (scopdet_basic_block_info, build_scops_1): Don't use
1872         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
1873
1874 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
1875             Sebastian Pop  <sebastian.pop@amd.com>
1876
1877         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
1878         * sese.c (sese_build_liveouts_use): Renamed from
1879         sese_build_livein_liveouts_use. Remove liveins.
1880         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
1881         Call sese_build_liveouts_use.
1882         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
1883         Call sese_build_liveouts_bb.
1884         (new_sese, free_sese): Remove liveins.
1885         (sese_add_exit_phis_var): Deleted.
1886         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
1887         directly.
1888         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
1889
1890         * sese.h (sese): Remove num_ver and livein.
1891         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
1892
1893 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1894
1895         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
1896
1897 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1898
1899         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
1900         (build_scop_scattering): Do not use compare_prefix_loops any more.
1901         (nb_common_loops): New.
1902
1903 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1904
1905         * sese.c (get_new_name_from_old_name): Renamed get_rename.
1906         (register_old_and_new_names): Renamed set_rename.
1907
1908 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1909
1910         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
1911         of the decl from the previous commit.
1912
1913 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1914
1915         * graphite-scop-detection.c (dot_scop): New.
1916         * graphite-scop-detection.h (dot_scop): Declared.
1917
1918 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1919
1920         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
1921
1922 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1923
1924         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
1925         condition at the end of the loop.
1926         * graphite.c (graphite_initialize, graphite_finalize): Print to
1927         dump_file the compiled function.
1928         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
1929         of create_empty_loop_on_edge.
1930         (translate_clast): Update the code generation of loops for the new
1931         shape of loops.
1932         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
1933
1934 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1935
1936         Reverted the patch from 2009-03-19.
1937
1938 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1939
1940         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
1941         poly_drs vector.
1942         (print_scop): Style.
1943         * graphite-poly.h (poly_bb): Add drs vector.
1944         (PBB_DRS): Add accessor.
1945         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
1946         (build_access_matrix_with_af, build_access_matrix,
1947         build_scop_data_accesses): Delete.
1948         (build_poly_dr): New.
1949         (build_pbb_drs, build_scop_drs): New.
1950         (build_poly_scop): call build_scop_drs.
1951
1952 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1953
1954         * graphite-scop-detection.c (dot_all_scops_1): Close the table
1955         once per basic block.
1956
1957 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1958
1959         * graphite-scop-detection.c (graphite_can_represent_scev): New.
1960         (graphite_can_represent_expr): Renamed from loop_affine_expr
1961         and enhanced.
1962         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
1963         (graphite_cannot_represent_loop): Add scop_entry to parameters.
1964         (scopdet_basic_block_info): Actually define entry_block.
1965         (stmt_simple_memref_p): Moved here from ...
1966
1967         * tree-data-ref.c (stmt_simple_memref_p): here.
1968         * tree-data-ref.h (stmt_simple_memref_p): Removed.
1969
1970 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1971
1972         * testsuite/gcc.dg/graphite/id-4.c: New.
1973
1974 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
1975
1976         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
1977         (register_old_and_new_names): Update the content of the map.
1978         When there was already a rename_map_elt in the map at that
1979         location, free it.
1980         (copy_bb_and_scalar_dependences): Do rename_variables after
1981         expand_scalar_variables.
1982         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
1983         of the map.  When there was already a rename_map_elt in the
1984         map at that location, free it.
1985         (translate_clast): Pass the rename_map.  Do not initialize and free
1986         a rename_map per stmt_user.
1987         (gloog): Initialize and free one rename_map and pass it to
1988         translate_clast.
1989
1990 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
1991
1992         * sese.c (expand_scalar_variables_stmt,
1993         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
1994         parameter.
1995         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
1996         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
1997         the gimple_stmt_iterator of the statement to be expanded.
1998         * graphite-scop-detection.c (is_simple_operand): Do handle
1999         REALPART_EXPR.
2000
2001 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2002
2003         * graphite-scop-detection.c (is_simple_operand): Do not handle
2004         REALPART_EXPR.
2005         * testsuite/gcc.dg/graphite/id-2.c: New.
2006
2007         * graphite-sese-to-poly.c (build_bb_loops,
2008         add_value_to_dim, scan_tree_for_params_right_scev,
2009         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
2010         find_params_in_bb, build_loop_iteration_domains,
2011         add_conditions_to_domain): Remove subtract.
2012
2013 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2014
2015         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
2016         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
2017         pbb_loop_at_index -> gbb_loop_at_index.
2018         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
2019         (debug_loop_vec): Delete.
2020         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
2021         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
2022         (PBB_LOOPS): Removed.
2023         (PBB_BLACK_BOX): Insert cast.
2024         (pbb_set_black_box): New setter.
2025         (pbb_loop_at_index, pbb_loop_index): Removed.
2026         (scop_set_region, scop_set_nb_params): New.
2027         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
2028         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
2029         (build_poly_scop): Use scop_set_nb_params.
2030         * sese.h (gimple_bb): Add LOOPS.
2031         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
2032
2033 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2034
2035         Revert previous commit.
2036
2037 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2038
2039         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2040         (register_old_and_new_names): Update the content of the map.
2041         When there was already a rename_map_elt in the map at that
2042         location, free it.
2043         (copy_bb_and_scalar_dependences): Do rename_variables after
2044         expand_scalar_variables.
2045         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2046         of the map.  When there was already a rename_map_elt in the
2047         map at that location, free it.
2048         (translate_clast): Pass the rename_map.  Do not initialize and free
2049         a rename_map per stmt_user.
2050         (gloog): Initialize and free one rename_map and pass it to
2051         translate_clast.
2052
2053 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2054
2055         Remove forgotten line in revert.
2056
2057 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2058
2059         Revert previous commit.
2060
2061 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2062
2063         * sese.c (register_old_and_new_names): Update the content
2064         of the map.  When there was already a rename_map_elt in the
2065         map at that location, free it.
2066         (copy_bb_and_scalar_dependences): Do rename_variables after
2067         expand_scalar_variables.
2068         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2069         of the map.  When there was already a rename_map_elt in the
2070         map at that location, free it.
2071         (translate_clast): Pass the rename_map.  Do not initialize and free
2072         a rename_map per stmt_user.
2073         (gloog): Initialize and free one rename_map and pass it to
2074         translate_clast.
2075
2076 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2077
2078         * graphite-clast-to-gimple.c (translate_clast): context_loop
2079         is never NULL.
2080
2081 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2082             Sebastian Pop  <sebastian.pop@amd.com>
2083
2084         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
2085         of the use of ppl_Polyhedron_map_space_dimensions.
2086
2087 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2088             Sebastian Pop  <sebastian.pop@amd.com>
2089
2090         * graphite-poly.c (unify_scattering_dimensions): Fix types.
2091         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
2092         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
2093         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
2094         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
2095         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
2096         pbb_nb_params): New.
2097         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
2098         nb_loops_around_pbb): Adapt return types.
2099
2100 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2101
2102         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2103         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2104         graphite-scop-detection.o, graphite-poly.o): Add
2105         more headers.
2106
2107 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2108
2109         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2110         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2111         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
2112
2113 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2114
2115         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
2116         * testsuite/gcc.dg/graphite/pr37828.c: Same.
2117         * testsuite/gcc.dg/graphite/pr37684.c: Same.
2118         * testsuite/gcc.dg/graphite/block-0.c: Same.
2119         * testsuite/gcc.dg/graphite/block-1.c: Same.
2120         * testsuite/gcc.dg/graphite/block-2.c: Same.
2121         * testsuite/gcc.dg/graphite/block-3.c: Same.
2122         * testsuite/gcc.dg/graphite/block-4.c: Same.
2123         * testsuite/gcc.dg/graphite/block-5.c: Same.
2124         * testsuite/gcc.dg/graphite/block-6.c: Same.
2125         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
2126         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
2127         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
2128         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
2129         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
2130         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
2131         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
2132         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
2133         * opts.c: Remove -floop-block from -O2.
2134         * graphite-poly.c: Fail if -floop-block -floop-interchange or
2135         -floop-strip-mine are used.
2136
2137 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2138             Sebastian Pop  <sebastian.pop@amd.com>
2139
2140         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
2141         dimensions.
2142         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
2143         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
2144         strip_mine_profitable_p, is_interchange_valid,
2145         graphite_trans_bb_block, graphite_trans_loop_block,
2146         graphite_trans_scop_block): Temporary removed.
2147         (extend_scattering, unify_scattering_dimensions): New.
2148         (print_scattering_function, graphite_read_transforms):
2149         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2150         (graphite_generate_scattering_fns): Removed.
2151         (apply_poly_transforms): Cleanup.
2152         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2153         (schedule_to_scattering): Moved.
2154         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
2155         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
2156         (pbb_nb_scattering): New.
2157         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2158         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
2159         Removed.
2160         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
2161         shift_poly.
2162         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2163         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
2164         -> PBB_TRANSFORMED_SCATTERING.
2165         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
2166         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
2167         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
2168         (check_poly_representation): Do not return bool.
2169         (graphite_transform_loops): Reformat.
2170         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
2171
2172 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2173
2174         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
2175         debug_pbb_domain, debug_pbb, debug_scop): New.
2176         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
2177         debug_pbb_domain, debug_pbb, debug_scop): Declared.
2178
2179 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2180
2181         PR middle-end/39335
2182         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2183         when the type precision of the induction variable should be
2184         larger than the type precision of nit.
2185         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2186         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
2187         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2188
2189         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
2190         * testsuite/gcc.dg/graphite/pr39335.c: New.
2191
2192 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2193
2194         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2195         SSA_NAMES not struct reduction_info.
2196
2197 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2198
2199         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
2200
2201 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2202             Tobias Grosser  <grosser@fim.uni-passau.de>
2203
2204         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
2205         (free_sese): Free SESE_REDUCTION_LIST.
2206         * sese.h (struct sese): Add field reduction_list.
2207         (SESE_REDUCTION_LIST): New.
2208         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
2209         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
2210
2211 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2212             Tobias Grosser  <grosser@fim.uni-passau.de>
2213
2214         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
2215         of loop_p.
2216
2217 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2218             Tobias Grosser  <grosser@fim.uni-passau.de>
2219
2220         * tree-parloops.c (struct brli, build_reduction_list_info,
2221         analyze_reduction_list, gather_scalar_reductions): New.
2222         (loop_parallel_p): Build a reduction list containing only
2223         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
2224         (gen_parallel_loop): Call the analysis analyze_reduction_list.
2225         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
2226         * tree-flow.h (gather_scalar_reductions): Declared.
2227
2228 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
2229
2230         PR middle-end/39308
2231         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
2232         number_of_iterations_exit from a gcc_assert.
2233
2234 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
2235             Jan Sjodin  <jan.sjodin@amd.com>
2236
2237         * output.h (graphite_out_file, graphite_in_file): Declared.
2238         * toplev.c (graphite_out_file, graphite_in_file): New.
2239         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
2240         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
2241         Don't call schedule_to_scattering.
2242         * common.opt (fgraphite-write, fgraphite-read): New.
2243         * graphite-poly.c: Include output.h.
2244         (print_scattering_function, print_scattering_functions,
2245         debug_scattering_function, debug_scattering_functions,
2246         graphite_write_transforms, graphite_read_transforms,
2247         graphite_generate_scattering_fns): New.
2248         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
2249         Call graphite_generate_scattering_fns, graphite_write_transforms,
2250         graphite_read_transforms.
2251         (new_poly_bb): Initialize PBB_SCATTERING.
2252         (free_poly_bb): Free PBB_SCATTERING.
2253         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
2254         * graphite-poly.h (struct poly_bb): Add field scattering.
2255         (PBB_SCATTERING): New.
2256         (print_scattering_function, print_scattering_functions,
2257         debug_scattering_function, debug_scattering_functions): Declared.
2258         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
2259         GMP values, not integers!
2260         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
2261         ppl_read_polyhedron_matrix): New.
2262         * graphite-ppl.h (ppl_print_polyhedron_matrix,
2263         debug_ppl_polyhedron_matrix,
2264         ppl_read_polyhedron_matrix): Declared.
2265         * Makefile.in (graphite-poly.o): Depends on output.h.
2266
2267 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2268             Tobias Grosser  <grosser@fim.uni-passau.de>
2269
2270         Revert this change:
2271         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2272         scalar evolutions in the scop_entry->loop_father.
2273
2274 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2275             Tobias Grosser  <grosser@fim.uni-passau.de>
2276
2277         * graphite.h (ref_nb_loops): Remove declaration.
2278         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
2279         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
2280         debug_gbb): Moved to sese.h.
2281         * sese.h: As said.
2282
2283 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2284             Tobias Grosser  <grosser@fim.uni-passau.de>
2285
2286         * graphite-data-ref.[ch]: Disable.
2287
2288 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2289             Tobias Grosser  <grosser@fim.uni-passau.de>
2290
2291         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2292         scalar evolutions in the scop_entry->loop_father.
2293
2294 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2295
2296         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
2297         (graphite_cannot_represent_loop_niter): Renamed
2298         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
2299         (limit_scops): build_sese_loop_nests does not return a bool.
2300         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
2301         * sese.c (nb_reductions_in_loop): ... from here.
2302         (graphite_loop_normal_form): ... from here.
2303         (sese_record_loop): Does not fail, so does not return a bool.
2304         (build_sese_loop_nests): Same.
2305         * sese.h (build_sese_loop_nests): Update declaration.
2306         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
2307         (build_graphite_loop_normal_form): New.
2308         (gloog): Call build_graphite_loop_normal_form.
2309         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
2310         build_sese_loop_nests.
2311
2312         * testsuite/gcc.dg/graphite/id-1.c: New.
2313
2314 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2315             Tobias Grosser  <grosser@fim.uni-passau.de>
2316
2317         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
2318         The SCoP detection fix is sufficient.
2319
2320 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2321
2322         PR tree-optimization/39260
2323         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
2324         the basic block contains a condition with a real type.
2325         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
2326
2327         * gcc.dg/graphite/pr39260.c: New.
2328
2329 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2330
2331         * graphite-poly.c: Inlcude params.h.
2332         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
2333         the size of a tile.
2334         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
2335         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
2336
2337 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2338             Tobias Grosser  <grosser@fim.uni-passau.de>
2339
2340         * graphite-scop-detection.c (dot_all_scops_1,
2341         dot_all_scops): Moved here.
2342         * graphite-scop-detection.h (dot_all_scops): Declared here.
2343         * graphite.c (graphite_initialize, graphite_finalize): New.
2344         (graphite_transform_loops): Cleaned up.
2345         * sese.c (debug_oldivs): Moved here.
2346         * graphite-poly.c (graphite_apply_transformations): Renamed
2347         apply_poly_transforms.
2348         (debug_loop_vec): Moved here.
2349         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
2350         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
2351         find_scop_parameters, build_scop_iteration_domain,
2352         add_conditions_to_constraints, build_scop_canonical_schedules,
2353         build_scop_data_accesses): Now static.
2354         (build_poly_scop, check_poly_representation): New.
2355
2356 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2357
2358         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
2359         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
2360         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
2361         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
2362         scan_tree_for_params_right_scev, scan_tree_for_params_int,
2363         scan_tree_for_params, struct irp_data, dx_record_params,
2364         find_params_in_bb, find_scop_parameters, gbb_from_bb,
2365         build_loop_iteration_domains, add_conditions_to_domain,
2366         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
2367         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
2368         build_sese_conditions, add_conditions_to_constraints,
2369         build_scop_iteration_domain, build_access_matrix_with_af,
2370         build_access_matrix,
2371         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
2372
2373         * graphite-sese-to-poly.c: New.
2374         * graphite-sese-to-poly.h: New.
2375
2376         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
2377
2378 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2379
2380         * graphite.c: Split graphite code generation to a new file.
2381         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
2382         max_precision_type, clast_to_gcc_expression_red,
2383         clast_to_gcc_expression, gcc_type_for_clast_expr,
2384         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
2385         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
2386         graphite_create_new_guard, clast_get_body_of_loop,
2387         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
2388         graphite_create_new_loop, build_iv_mapping, copy_renames,
2389         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
2390         compute_cloog_iv_types, free_scattering, save_var_name,
2391         initialize_cloog_names, build_scop_context, build_cloog_prog,
2392         set_cloog_options, debug_clast_stmt, scop_to_clast,
2393         print_generated_program, debug_generated_program,
2394         gloog): Moved to graphite-clast-to-gimple.c.
2395
2396         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
2397
2398         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
2399         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
2400         loop_iv_stack_pop, loop_iv_stack_get_iv,
2401         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
2402         free_loop_iv_stack, loop_iv_stack_remove_constants,
2403         debug_rename_elt, debug_rename_map_1, debug_rename_map,
2404         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
2405         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
2406         eq_ivtype_map_elts, sese_add_exit_phis_edge,
2407         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
2408         get_vdef_before_sese, sese_adjust_vphi,
2409         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
2410         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
2411         is_iv, expand_scalar_variables_ssa_name,
2412         expand_scalar_variables_expr, expand_scalar_variables_stmt,
2413         expand_scalar_variables, rename_variables, remove_condition,
2414         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
2415         add_loop_exit_phis, insert_loop_close_phis, struct igp,
2416         default_liveout_before_guard, add_guard_exit_phis,
2417         insert_guard_phis, register_old_and_new_names,
2418         graphite_copy_stmts_from_block, register_sese_liveout_renames,
2419         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
2420         if_region_set_false_region, create_if_region_on_edge,
2421         move_sese_in_condition): Moved to sese.c.
2422
2423         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
2424         if_region_exit, if_region_get_condition_block,
2425         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
2426         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
2427         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
2428         ivtype_map_elt, new_ivtype_map_elt,
2429         recompute_all_dominators): Moved to sese.h.
2430
2431         * graphite-clast-to-gimple.c: New.
2432         * graphite-clast-to-gimple.h: New.
2433         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
2434         * sese.c: Modified as said above.
2435         * sese.h: Same.
2436
2437 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2438
2439         * graphite.c: Split scop detection to a new file.
2440         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
2441         move_sd_regions, loop_affine_expr, exclude_component_ref,
2442         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
2443         graphite_cannot_represent_loop_niter, struct scopdet_info,
2444         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
2445         find_single_entry_edge, find_single_exit_edge,
2446         create_single_entry_edge, sd_region_without_exit,
2447         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
2448         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
2449         Moved to graphite-scop-detection.c.
2450
2451         * graphite-scop-detection.c: New.
2452         * graphite-scop-detection.h: New.
2453         * Makefile.in: Add new rule for graphite-scop-detection.o.
2454
2455         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
2456         tree-scalar-evolution.h.
2457         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
2458         build_sese_loop_nests): Moved here from graphite.c.
2459         (param_index): Renamed parameter_index_in_region.
2460
2461 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2462             Sebastian Pop  <sebastian.pop@amd.com>
2463
2464         * gcc.dg/graphite/block-0.c: Expected to fail now.
2465         * gcc.dg/graphite/block-1.c: Same.
2466         * gcc.dg/graphite/block-5.c: Same.
2467         * gcc.dg/graphite/block-6.c: Same.
2468
2469 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2470             Sebastian Pop  <sebastian.pop@amd.com>
2471
2472         * graphite.h: Separate from graphite_bb_p the polyhedral
2473         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
2474         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
2475         graphite-data-ref.h.
2476         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
2477         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
2478         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
2479         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2480         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
2481         scop_nb_params): Moved to graphite-poly.h.
2482         * graphite-data-ref.c: Same.
2483         * graphite-data-ref.h: New.
2484         * graphite.c: Same.
2485         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
2486         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
2487         is_interchange_valid, graphite_trans_bb_block,
2488         graphite_trans_loop_block, scop_max_loop_depth,
2489         graphite_trans_scop_block, graphite_apply_transformations,
2490         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
2491         graphite-poly.c.
2492         * graphite-poly.h: New.
2493         * graphite-poly.c: New.
2494         * Makefile.in (OBJS-common): Add graphite-poly.o.
2495         (graphite-poly.o): New rule.
2496         * tree-data-ref.h (struct data_reference): Remove unused scop field.
2497         (DR_SCOP): Removed.
2498
2499 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2500             Tobias Grosser  <grosser@fim.uni-passau.de>
2501
2502         * graphite.c: Replace gb -> gbb.
2503         * graphite.h: Same.
2504         * graphite-data-ref.c: Same.
2505
2506 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2507             Tobias Grosser  <grosser@fim.uni-passau.de>
2508
2509         * Makefile.in (OBJS-commmon): Add sese.o.
2510         (sese.o): New.
2511         (graphite.o): Add sese.h.
2512         * graphite.c (bb_in_ss_p, loop_in_sese_p,
2513         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
2514         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
2515         Move to sese.
2516         (block_before_scop): Add missing return.
2517         (new_scop, free_scop): Remove SESE data structures.
2518         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
2519         find_scop_parameters, build_loop_iteration_domains,
2520         add_conditions_to_domain, register_scop_liveout_renames,
2521         copy_bb_and_scalar_dependences): Scop -> SESE.
2522
2523         (add_conditions_to_domain): SCoP -> SESE and remove check
2524         (scop_contains_non_iv_scalar_phi_nodes): New.
2525         (build_scop_conditions_1, build_scop_conditions): Remove check for
2526         non iv scalar phi nodes.
2527         (print_scop_statistics): New.
2528         (graphite_transform_loops): Cleanup.
2529
2530         * graphite.h: Move to sese & cleanup.
2531         * sese.c: New.
2532         * sese.h: New.
2533
2534 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2535             Tobias Grosser  <grosser@fim.uni-passau.de>
2536
2537         * graphite.c (build_scop_conditions_1): Conditions are only
2538         at the end of a basic block.
2539
2540 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2541             Tobias Grosser  <grosser@fim.uni-passau>
2542
2543         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
2544         field.
2545         (GBB_ALPHA): Removed.
2546
2547 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2548             Tobias Grosser  <grosser@fim.uni-passau.de>
2549
2550         * graphite-data-ref.c (graphite_test_dependence): Don't use
2551         GBB_DYNAMIC_SCHEDULE.
2552         * graphite.c (new_graphite_bb): Same.
2553         (free_graphite_bb): Same.
2554         (build_scop_dynamic_schedules): Removed.
2555         (graphite_transform_loops): Don't call it.
2556         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
2557         (GBB_DYNAMIC_SCHEDULE): Removed.
2558
2559 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2560             Tobias Grosser  <grosser@fim.uni-passau.de>
2561
2562         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
2563         (print_graphite_bb): Same.
2564         (build_cloog_prog): Same.
2565
2566 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2567             Tobias Grosser  <grosser@fim.uni-passau.de>
2568
2569         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
2570
2571 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2572             Tobias Grosser  <grosser@fim.uni-passau.de>
2573
2574         * graphite.c (build_scop_context): Don't use CloogMatrix.
2575         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
2576         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
2577
2578 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2579             Tobias Grosser  <grosser@fim.uni-passau.de>
2580
2581         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
2582         liveout_renames, add_params fields...
2583         (struct sese): ... here.
2584         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
2585         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
2586
2587 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2588             Tobias Grosser  <grosser@fim.uni-passau.de>
2589
2590         * graphite.c (print_scop): Do not print the CLooG program.
2591         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
2592         build_cloog_prog, gloog): Don't use SCOP_PROG.
2593         (find_transform): Renamed scop_to_clast.
2594         (print_generated_program, debug_generated_program): New.
2595         (graphite_transform_loops): Adapt to new interface.
2596         * graphite.h (struct scop): Remove program field.
2597         (SCOP_PROG): Removed.
2598         (print_generated_program, debug_generated_program): Declared.
2599
2600 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2601
2602         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
2603         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
2604         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
2605         free_graphite_bb, build_scop_canonical_schedules,
2606         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
2607         schedules are now represented using a ppl_Linear_Expression_t.
2608         * graphite.h (struct graphite_bb): Same.
2609         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
2610         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
2611
2612 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
2613
2614         * graphite.c: Free local memory.
2615         * graphite-ppl.c: Same.
2616
2617 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
2618
2619         * graphite.c (const_column_index, get_first_matching_sign_row_index,
2620         get_lower_bound_row, get_upper_bound_row, copy_constraint,
2621         swap_constraint_variables, scale_constraint_variable): Removed.
2622         (graphite_trans_bb_strip_mine): Remove pong.
2623         * graphite-ppl.c: Include missing header files.
2624         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
2625         * graphite-ppl.h (ppl_strip_loop): Declared.
2626         * Makefile.in (graphite-ppl.o): Adjust dependences.
2627
2628 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
2629
2630         * graphite.c (build_loop_iteration_domains): Remove ping pong.
2631         (build_scop_iteration_domain): Same.
2632
2633 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
2634
2635         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
2636         ping pong.
2637         (add_value_to_dim, scan_tree_for_params_right_scev,
2638         scan_tree_for_params_int): New.
2639         * graphite-ppl.c (oppose_constraint): New.
2640         (insert_constraint_into_matrix): Implement missing cases.
2641         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
2642
2643 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
2644
2645         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
2646         use ppl_move_dimension.
2647
2648 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
2649
2650         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
2651         * graphite.c: Same.
2652         * graphite.h: Same.
2653         * graphite-ppl.c: Same.
2654         * graphite-ppl.h: Same.
2655
2656 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
2657
2658         Revert last 3 commits.
2659
2660 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2661
2662         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
2663         ping pong.
2664         (add_value_to_dim, scan_tree_for_params_right_scev,
2665         scan_tree_for_params_int): New.
2666         * graphite-ppl.c (oppose_constraint): New.
2667         (insert_constraint_into_matrix): Implement missing cases.
2668         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
2669
2670 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2671
2672         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
2673
2674 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2675             Tobias Grosser  <grosser@fim.uni-passau.de>
2676
2677         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
2678         use ppl_move_dimension.
2679         * graphite-ppl.c (ppl_move_dimension): New.
2680         * graphite-ppl.h (ppl_move_dimension): Declared.
2681
2682 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2683
2684         * graphite.c: Do not include cloog/cloog.h.
2685         (print_graphite_bb): Remove ping pong, call PPL print function.
2686
2687 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2688
2689         * Makefile.in (OBJS-common): Add graphite-ppl.o.
2690         (graphite.o): Add dependence on graphite-ppl.h.
2691         (graphite-ppl.o): New.
2692         (graphite-data-ref.c): Ping pong between PPL data structures
2693         and matrices.
2694         * graphite-ppl.c: New.
2695         * graphite-ppl.h: New.
2696         * graphite.c: Include graphite-ppl.h.
2697         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
2698         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
2699         Ping pong between PPL data structures and matrices.
2700         (new_graphite_bb): Create a PPL constraint system.
2701         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
2702         (build_loop_iteration_domains): Use PPL functions.
2703         * graphite.h: Include graphite-ppl.h.  Fix comments.
2704         (graphite_bb): Use a ppl_Constraint_System_t instead of
2705         CloogMatrix for representing the domain.
2706         (scop): Remove static_schedule.
2707         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
2708
2709 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
2710
2711         * graphite.c: Fix some comments.
2712
2713 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
2714
2715         PR middle-end/38953
2716         * graphite.c (if_region_set_false_region): After moving a region
2717         in the false branch of a condition, remove the empty dummy
2718         basic block.
2719         (gloog): Remove wrong fix for PR38953.
2720
2721 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2722
2723         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2724         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2725         register_bb_in_sese, new_sese, free_sese): Moved.
2726         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2727         outermost_loop_in_scop, build_scop_iteration_domain,
2728         expand_scalar_variables_ssa_name, get_vdef_before_scop,
2729         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2730         Use loop_in_sese_p instead of loop_in_scop_p.
2731         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
2732         (free_scop): Do not free SCOP_BBS_B.
2733         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
2734         ref_nb_loops): Moved here...
2735         * graphite.h (ref_nb_loops): ... from here.
2736         (struct scop): Remove bbs_b bitmap.
2737         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2738         * testsuite/gcc.dg/graphite/scop-19.c: New
2739
2740 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2741
2742         * graphite.c (scopdet_basic_block_info): Fix bug in scop
2743         detection.
2744
2745 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2746
2747         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2748         eq_loop_to_cloog_loop): Remove.
2749         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
2750         * graphite.h (struct scop): Remove loop2cloog_loop.
2751         (loop_domain_dim, loop_iteration_vector_dim): Remove.
2752
2753 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2754
2755         * opts.c (decode_options): Only add graphite options to O2
2756         if we compile with graphite enabled.
2757
2758 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
2759
2760         * Merge from mainline (r143163:143684).
2761
2762 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
2763
2764         * graphite.c (debug_value): Removed.
2765         * graphite.h (debug_value): Removed.
2766
2767 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2768
2769         * passes.c (init_optimization_passes): Do not call pass_copy_prop
2770         after graphite: pass_copy_prop does not maintain a proper loop closed
2771         SSA form.  pass_copy_prop should be fixed.
2772
2773 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2774
2775         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
2776
2777 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2778
2779         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2780         (gloog): Split the exit of the scop when the scop exit is a loop exit.
2781         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2782         changed the CFG.
2783
2784 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2785
2786         * graphite.c (gloog): Return true when code gen succeeded.
2787         (graphite_transform_loops): Do not call cleanup_tree_cfg if
2788         the code of the function did not changed.  After cleanup_tree_cfg
2789         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
2790         form.
2791
2792 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
2793
2794         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2795         gimple_call_lhs is NULL.
2796
2797 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2798             Tobias Grosser  <tobi.grosser@amd.com>
2799
2800         * graphite.c (graphite_trans_scop_block): Do not block single
2801         nested loops.
2802
2803 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2804             Tobias Grosser  <tobi.grosser@amd.com>
2805
2806         * graphite.c (build_scop_canonical_schedules): Start schedules at
2807         zero.
2808
2809 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2810             Tobias Grosser  <tobi.grosser@amd.com>
2811
2812         * graphite.c (compare_prefix_loops): New.
2813         (build_scop_canonical_schedules): Rewritten.
2814         (graphite_transform_loops): Move build_scop_canonical_schedules
2815         after build_scop_iteration_domain.
2816
2817 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2818             Tobias Grosser  <tobi.grosser@amd.com>
2819
2820         * graphite.c (add_conditions_to_domain): Add the loops to
2821         the dimension of the iteration domain.  Do copy the domain
2822         only when it exists.
2823         (build_scop_conditions_1): Do not call add_conditions_to_domain.
2824         (add_conditions_to_constraints): New.
2825         (can_generate_code_stmt, can_generate_code): Removed.
2826         (gloog): Do not call can_generate_code.
2827         (graphite_transform_loops): Call add_conditions_to_constraints
2828         after building the iteration domain.
2829
2830 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2831             Tobias Grosser  <tobi.grosser@amd.com>
2832             Jan Sjodin  <jan.sjodin@amd.com>
2833
2834         * graphite.c (scan_tree_for_params): On substractions negate
2835         all the coefficients of the term.
2836         (clast_to_gcc_expression_red): New.  Handle reduction expressions
2837         of more than two operands.
2838         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2839         (get_vdef_before_scop): Handle also the case of default definitions.
2840
2841 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2842
2843         PR middle-end/38431
2844         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2845         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2846         (gloog): Do not call cleanup_tree_cfg.
2847         (graphite_transform_loops): Call cleanup_tree_cfg after all
2848         scops have been code generated.
2849
2850 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2851
2852         * passes.c (init_optimization_passes): Schedule after
2853         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
2854
2855 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2856
2857         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
2858         Fix comment.
2859         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
2860         Set the type of an expression to the type of its assign statement.
2861         (expand_scalar_variables_expr):  Do not pass loop_p.
2862         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
2863         (copy_bb_and_scalar_dependences): Do not pass loop_p.
2864         (translate_clast): Update call to copy_bb_and_scalar_dependences.
2865
2866 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
2867
2868         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
2869         an expression to the gimple_expr_type of its assign statement.
2870         (expand_scalar_variables_expr): Stop recursion on tcc_constant
2871         or tcc_declaration.
2872
2873 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
2874
2875         PR tree-optimization/38786
2876         * testsuite/gcc.dg/graphite/pr38786.c: New.
2877         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2878         the SSA_NAME case of expand_scalar_variables_expr.
2879         (expand_scalar_variables_expr): Also gather the scalar computation
2880         used to index the memory access.
2881         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2882         the gimple_stmt_iterator where it inserts new code.
2883
2884 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
2885
2886         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
2887
2888 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
2889
2890         * opts.c (decode_options): Enable flag_graphite_identity and
2891         flag_loop_block in -O2 and above.
2892
2893 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2894
2895         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
2896         Fix merge problem: replace with the file from trunk.
2897
2898 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2899
2900         * Merge from mainline (r141727:143163).
2901
2902 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2903             Jan Sjodin  <jan.sjodin@amd.com>
2904
2905         PR tree-optimization/38559
2906         * testsuite/gcc.dg/graphite/pr38559.c: New.
2907
2908         * graphite.c (debug_value, copy_constraint,
2909         swap_constraint_variables, scale_constraint_variable, ): New.
2910         (get_lower_bound, get_upper_bound): Removed.
2911         (graphite_trans_bb_strip_mine): Clean up this code that works
2912         only for constant number of iterations.  Fully copy upper and
2913         lower bound constraints, not only the constant part of them.
2914         * graphite.h (debug_value): Declared.
2915
2916 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
2917
2918         PR tree-optimization/38492
2919         PR tree-optimization/38498
2920         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2921         * tree-chrec.h (scev_is_linear_expression): Declared.
2922         * graphite.c (graphite_cannot_represent_loop_niter): New.
2923         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2924         (graphite_loop_normal_form): Use gcc_assert.
2925         (scan_tree_for_params): Use CASE_CONVERT.
2926         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2927         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2928         Use gcc_assert.  Discard scops that contain unhandled cases.
2929         (build_scop_conditions): Return a boolean status for unhandled cases.
2930         (strip_mine_profitable_p): Print the loop number, not its depth.
2931         (is_interchange_valid): Pass the depth of the loop nest, don't
2932         recompute it wrongly.
2933         (graphite_trans_bb_block): Same.
2934         (graphite_trans_bb_block): Print tentative of loop blocking.
2935         (graphite_trans_scop_block): Do not print that the loop has been
2936         blocked.
2937         (graphite_transform_loops): Do not handle scops that contain condition
2938         scalar phi nodes.
2939
2940         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
2941         in trunk.
2942         * testsuite/gcc.dg/graphite/block-0.c: Update test.
2943         * testsuite/gcc.dg/graphite/block-1.c: Same.
2944         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
2945         blocking.
2946         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
2947         * testsuite/gcc.dg/graphite/block-3.c: New.
2948         * testsuite/gcc.dg/graphite/pr38498.c: New.
2949
2950 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
2951
2952         PR tree-optimization/38510
2953         * gcc.dg/graphite/pr38510.c: New.
2954         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2955           (translate_clast): Call recompute_all_dominators before
2956           graphite_verify.
2957           (gloog): Call recompute_all_dominators before graphite_verify.
2958
2959 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
2960
2961         PR tree-optimization/38492
2962         * graphite.c (rename_map_elt, debug_rename_elt,
2963         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2964         rename_map_elt_info, eq_rename_map_elts,
2965         get_new_name_from_old_name, bb_in_sese_p): Moved around.
2966         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2967         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2968         (sese_build_livein_liveouts): New.
2969         (new_sese, free_sese): New.
2970         (new_scop): Call new_sese.
2971         (free_scop): Call free_sese.
2972         (rename_variables_from_edge, rename_phis_end_scop): Removed.
2973         (register_old_new_names): Renamed register_old_and_new_names.
2974         (register_scop_liveout_renames, add_loop_exit_phis,
2975         insert_loop_close_phis, struct igp,
2976         default_liveout_before_guard, add_guard_exit_phis,
2977         insert_guard_phis, copy_renames): New.
2978         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2979         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2980         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2981         (scop_adjust_phis_for_liveouts): New.
2982         (gloog): Call scop_adjust_phis_for_liveouts.
2983
2984         * graphite.h (struct sese): Documented.  Added fields liveout,
2985         num_ver and livein.
2986         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2987         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2988         (struct scop): Added field liveout_renames.
2989         (SCOP_LIVEOUT_RENAMES): New.
2990
2991 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
2992
2993         PR tree-optimization/38409
2994         * gcc.dg/graphite/pr38409.c: New.
2995         * graphite.c (nb_reductions_in_loop): Use simple_iv.
2996
2997 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
2998
2999         * graphite.c (gcc_type_for_cloog_iv): By default return
3000         integer_type_node.
3001         (graphite_create_new_loop): Don't fold_convert the already
3002         fold_convert-ed expression.
3003
3004 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
3005
3006         PR tree-optimization/38446
3007         * gcc.dg/graphite/pr38446.c: New.
3008         * graphite.c (register_bb_in_sese): New.
3009         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
3010         looking at the bbs in the region.
3011         * graphite.h (sese): Add region_basic_blocks pointer set to
3012         structure and initialize at the time of defining new scop.
3013
3014 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3015
3016         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
3017         (find_params_in_bb): Do not free data refs.
3018         (free_graphite_bb): Add FIXME on disabled free_data_refs.
3019
3020 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3021
3022         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
3023         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3024         * testsuite/gcc.dg/graphite/block-5.c: New.
3025         * testsuite/gcc.dg/graphite/block-6.c: New.
3026         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
3027         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3028         * testsuite/gcc.dg/graphite/block-2.c: Same.
3029
3030         * graphite.c (struct ivtype_map_elt): New.
3031         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
3032         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
3033         gcc_type_for_cloog_iv): New.
3034         (loop_iv_stack_patch_for_consts): Use the type of the induction
3035         variable from the original loop, except for the automatically
3036         generated loops, i.e., in the case of a strip-mined loop, in
3037         which case there is no original loop: in that case just use
3038         integer_type_node.
3039         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
3040         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
3041         (clast_name_to_gcc): Accept params to be NULL.
3042         (clast_to_gcc_expression): Take an extra parameter for the type.
3043         Convert to that type all the expressions built by this function.
3044         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
3045         (graphite_translate_clast_equation): Compute the type of the
3046         clast_equation before translating its LHS and RHS.
3047         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
3048         (graphite_create_new_loop): Compute the type of the induction
3049         variable before translating the lower and upper bounds and before
3050         creating the induction variable.
3051         (rename_variables_from_edge, rename_phis_end_scop): New.
3052         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
3053         (sese_add_exit_phis_edge): Do not use integer_zero_node.
3054         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3055         compute_cloog_iv_types): New.
3056         (gloog): Call compute_cloog_iv_types before starting the
3057         translation of the clast.
3058
3059         * graphite.h (struct graphite_bb): New field cloog_iv_types.
3060         (GBB_CLOOG_IV_TYPES): New.
3061         (debug_ivtype_map): Declared.
3062         (oldiv_for_loop): New.
3063
3064 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3065
3066         PR middle-end/38459
3067         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
3068         (param_index): Assert if parameter is not know after parameter
3069         detection.
3070         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
3071         (find_scop_parameters): Mark, that we have finished parameter
3072         detection.
3073         (graphite_transform_loops): Move condition detection before parameter
3074         detection.
3075         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
3076         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
3077
3078 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3079
3080         * graphite.c (graphite_transform_loops): Always call find_transform ()
3081         in ENABLE_CHECKING.  So we test these code paths, even if we do not
3082         generate code.
3083
3084 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3085
3086         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
3087         (print_scop): Ditto.
3088
3089 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3090
3091         PR middle-end/38084
3092         Fix testsuite/gfortran.dg/graphite/id-3.f90.
3093         * graphite.c (scopdet_basic_block_info): Fix bug that found some
3094         regions more than once.
3095
3096 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3097
3098         Fix testsuite/gfortran.dg/graphite/id-4.f90.
3099         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
3100         when not needed.
3101
3102 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3103
3104         Fix testsuite/gfortran.dg/graphite/id-1.f90.
3105         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
3106         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
3107         (max_precision_type): New.
3108         (value_clast): Removed.
3109         (clast_to_gcc_expression): Be more careful to types of expressions.
3110         Use max_precision_type and update use of gmp_cst_to_tree.
3111         (graphite_translate_clast_equation): Use max_precision_type.
3112         (graphite_create_guard_cond_expr): Do not use integer_type_node,
3113         use the type of the condition.
3114         (graphite_create_new_loop): Do not use integer_type_node, use the
3115         max_precision_type of lb and ub.
3116
3117 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3118
3119         * graphite.c (build_scops_1): Initialize open_scop.exit
3120         and sinfo.last.
3121
3122 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3123
3124         * testsuite/gcc.dg/graphite/pr38084.c: New.
3125         * testsuite/gfortran.dg/graphite/id-1.f90: New.
3126         * testsuite/gfortran.dg/graphite/id-2.f90: New.
3127         * testsuite/gfortran.dg/graphite/id-3.f90: New.
3128         * testsuite/gfortran.dg/graphite/id-4.f90: New.
3129         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
3130
3131 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3132             Jan Sjodin  <jan.sjodin@amd.com>
3133             Harsha Jagasia  <harsha.jagasia@amd.com>
3134
3135         PR middle-end/37852
3136         PR middle-end/37883
3137         PR middle-end/37928
3138         PR middle-end/37980
3139         PR middle-end/38038
3140         PR middle-end/38039
3141         PR middle-end/38073
3142         PR middle-end/38083
3143         PR middle-end/38125
3144
3145         * testsuite/gcc.dg/graphite/pr38073.c: New.
3146         * testsuite/gcc.dg/graphite/pr37928.c: New.
3147         * testsuite/gcc.dg/graphite/pr37883.c: New.
3148         * testsuite/gcc.dg/graphite/pr38125.c: New.
3149         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
3150         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
3151         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
3152
3153         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
3154         the number of detected scops.  Copy exact same test for loop
3155         blocking...
3156         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
3157         loops to be blocked as reductions are not handled.
3158         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
3159
3160         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
3161         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
3162         ...here.
3163         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
3164         * Makefile.in (graphite.o): Depend on value-prof.h.
3165         (graphite.o-warn): Removed -Wno-error.
3166         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
3167         to be a NULL pointer.  Call update_stmt.  Return the newly created
3168         cannonical induction variable.
3169
3170         * graphite.h (debug_rename_map): Declared.  Fix some comments.
3171
3172         * graphite.c: Reimplement the code generation from graphite to gimple.
3173         Include value-prof.h.
3174         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
3175         (get_old_iv_from_ssa_name): Removed.
3176         (graphite_stmt_p): New.
3177         (new_graphite_bb): Test for useful statements before building a
3178         graphite statement for the basic block.
3179         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
3180         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
3181         reason.
3182         (recompute_all_dominators, graphite_verify,
3183         nb_reductions_in_loop, graphite_loop_normal_form): New.
3184         (scop_record_loop): Call graphite_loop_normal_form.
3185         (build_scop_loop_nests): Iterate over all the blocks of the
3186         function instead of relying on the incomplete information from
3187         SCOP_BBS.  Return the success of the operation.
3188         (find_params_in_bb): Use the data from GBB_DATA_REFS.
3189         (add_bb_domains): Removed.
3190         (build_loop_iteration_domains): Don't call add_bb_domains.
3191         Add the iteration domain only to the basic blocks that have been
3192         translated to graphite.
3193         (build_scop_conditions_1): Add constraints only if the basic
3194         block have been translated to graphite.
3195         (build_scop_data_accesses): Completely disabled until data
3196         dependence is correctly implemented.
3197         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
3198         (remove_all_edges_1, remove_all_edges): Removed.
3199         (get_new_name_from_old_name): New.
3200         (graphite_rename_variables_in_stmt): Renamed
3201         rename_variables_in_stmt.  Call get_new_name_from_old_name.
3202         Use replace_exp and update_stmt.
3203         (is_old_iv): Renamed is_iv.
3204         (expand_scalar_variables_stmt): Extra parameter for renaming map.
3205         Use replace_exp and update_stmt.
3206         (expand_scalar_variables_expr): Same.  Use the map to get the
3207         new names for the renaming of induction variables and for the
3208         renaming of variables after a basic block has been copied.
3209         (expand_scalar_variables): Same.
3210         (graphite_rename_variables): Renamed rename_variables.
3211         (move_phi_nodes): Removed.
3212         (get_false_edge_from_guard_bb): New.
3213         (build_iv_mapping): Do not insert the induction variable of a
3214         loop in the renaming iv map if the basic block does not belong
3215         to that loop.
3216         (register_old_new_names, graphite_copy_stmts_from_block,
3217         copy_bb_and_scalar_dependences): New.
3218         (translate_clast): Heavily reimplemented: copy basic blocks,
3219         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
3220         At each translation step call graphite_verify ensuring the
3221         consistency of the SSA, loops and dominators information.
3222         (collect_virtual_phis, find_vdef_for_var_in_bb,
3223         find_vdef_for_var_1, find_vdef_for_var,
3224         patch_phis_for_virtual_defs): Removed huge hack.
3225         (mark_old_loops, remove_dead_loops, skip_phi_defs,
3226         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
3227         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
3228         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
3229         if_region_get_condition_block, if_region_set_false_region,
3230         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
3231         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
3232         sese_add_exit_phis_edge, sese_add_exit_phis_var,
3233         rewrite_into_sese_closed_ssa): New.
3234         (gloog): Remove dead code.  Early return if code cannot be
3235         generated.  Call cleanup_tree_cfg once the scop has been code
3236         generated.
3237         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
3238         block loops with less than two loops.
3239         (graphite_apply_transformations): Remove the call to
3240         scop_remove_ignoreable_gbbs.
3241         (limit_scops): When build_scop_loop_nests fails, continue on
3242         the next scop.  Fix open_scop.entry.
3243         (graphite_transform_loops): Call recompute_all_dominators: force the
3244         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
3245         Call initialize_original_copy_tables and free_original_copy_tables
3246         to be able to copy basic blocks during code generation.
3247         When build_scop_loop_nests fails, continue on next scop.
3248         (value_clast): New union.
3249         (clast_to_gcc_expression): Fix type cast warning.
3250
3251 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
3252
3253         * Merge from mainline (r140838:141727).
3254
3255 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3256
3257         PR middle-end/37833
3258
3259         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
3260
3261 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3262
3263         PR middle-end/37943
3264
3265         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
3266         exits and conditions.
3267         * testsuite/gcc.dg/graphite/pr37943.c: New.
3268
3269 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3270
3271         PR middle-end/37886
3272         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
3273
3274 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3275
3276         * doc/invoke.texi: Fix spaces.
3277
3278 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
3279
3280         PR tree-optimization/37891
3281         Reverted last commit.
3282         * graphite.c (create_single_entry_edge): Set
3283         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3284
3285 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
3286             Mitul Thakkar  <mitul.thakkar@amd.com>
3287
3288         * graphite.c (create_single_entry_edge): Set
3289         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3290
3291 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
3292
3293         * doc/invoke.texi: Add -fgraphite-identity.
3294         * graphite.c (graphite_apply_transformations): Check for
3295         -fgraphite-identity.
3296         * toplev.c (process_options): Add flag_graphite_identity.
3297         * tree-ssa-loop.c: Add flag_graphite_identity.
3298
3299 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3300
3301         Undo changes from 2008-10-02:
3302         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3303         operand type when copying the operand to a variable of different type.
3304         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3305         with the IV name after increment.
3306
3307 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3308             Harsha Jagasia  <harsha.jagasia@amd.com>
3309
3310         PR tree-optimization/37828
3311         * testsuite/gcc.dg/graphite/pr37828.c: New.
3312         * graphite.c (graphite_trans_loop_block): Do not loop block
3313         single nested loops.
3314
3315 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
3316             Sebastian Pop  <sebastian.pop@amd.com>
3317
3318         * graphite.c (struct rename_map_elt, new_rename_map_elt,
3319         rename_map_elt_info, eq_rename_map_elts): New.
3320         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
3321         (expand_scalar_variables_expr): Change parameters.
3322         (expand_scalar_variables_stmt): Same.
3323         (expand_scalar_variables): Same.
3324         (graphite_rename_ivs): Rename graphite_rename_variables.
3325         (build_iv_mapping): New.
3326         (translate_clast): Call build_iv_mapping.
3327         * graphite.h (gbb_p): New name.
3328
3329 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
3330
3331         PR tree-optimization/37684
3332         * gcc.dg/graphite/pr37684.c: New.
3333         * graphite.c (exclude_component_ref): New.
3334         (is_simple_operand): Call exclude_component_ref.
3335
3336 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
3337             Harsha Jagasia  <harsha.jagasia@amd.com>
3338
3339         PR tree-optimization/37485
3340         * gcc.dg/graphite/block-2.c: New
3341         * graphite.c (gmp_cst_to_tree): Moved.
3342         (iv_stack_entry_is_constant): New.
3343         (iv_stack_entry_is_iv): New.
3344         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
3345         (loop_iv_stack_insert_constant): New.
3346         (loop_iv_stack_pop): Use new datatpype.
3347         (loop_iv_stack_get_iv): Same.
3348         (loop_iv_stack_get_iv_from_name): Same.
3349         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
3350         (loop_iv_stack_patch_for_consts): New.
3351         (loop_iv_stack_remove_constants): New.
3352         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
3353         (translate_clast): Call loop_iv_stack_patch_for_consts and
3354         loop_iv_stack_remove_constants.
3355         (gloog): Use new datatype.  Redirect construction edge to end
3356         block to avoid accidental deletion.
3357         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
3358         iv stack entry.
3359         (union iv_stack_entry_data): New.  Data in iv stack entry.
3360         (struct iv_stack_entry): New.  Datatype for iv stack entries.
3361
3362 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3363
3364         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3365         operand type when copying the operand to a variable of different type.
3366
3367 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3368
3369         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3370         with the IV name after increment.
3371
3372 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3373
3374         * Merge from mainline (r140164:140838).
3375
3376 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
3377
3378         * graphite-data-ref.c: New.
3379         * graphite.c (print_scop): Also dump the dependence graph.
3380         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
3381         (new_scop): Initialize SCOP_DEP_GRAPH.
3382         (build_scop_dynamic_schedules): New.
3383         (build_access_matrix_with_af): Fixed column numbering.
3384         (graphite_transform_loops): Call build_scop_dynamic_schedules.
3385         * graphite.h: Add ifndef/define guards against multiple inclusion.
3386         (struct scop): Add dep_graph field.
3387         (SCOP_DEP_GRAPH): Defined.
3388         (ref_nb_loops): Fixed and moved to other position.
3389         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
3390         (nb_loops_around_loop_in_scop): New.
3391         (graphite_dump_dependence_graph): Declared.
3392         (graphite_build_rdg_all_levels): Declared.
3393         (graphite_test_dependence): Declared.
3394         * Makefile.in (graphite-data-ref.o): New target.
3395
3396 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
3397
3398         * Merge from mainline (139870:140164).
3399
3400 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3401
3402         * Merge from mainline (138275:139870).
3403         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
3404         the commits from trunk broke the niter detection.
3405
3406 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3407
3408         * graphite.c: Add more documentation.  Fix formatting.
3409         (debug_loop_vec, debug_oldivs, loop_iv_stack,
3410         loop_iv_stack_debug): Moved...
3411         (schedule_to_scattering): Move before use.
3412         (dot_all_scops): Include in "#if 0" the code for system
3413         call dotty.
3414
3415         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
3416         loop_iv_stack_debug): ...here.
3417
3418 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
3419
3420         * tree-phinodes.c (make_phi_node): Extern.
3421         (add_phi_node_to_bb): New.
3422         (create_phi_node): Call add_phi_node_to_bb.
3423         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
3424         (remove_statement): Handle case where stored phi was updated
3425         and is no longer the same.
3426         * graphite.c (is_parameter): New.
3427         (is_old_iv): New.
3428         (expand_scalar_variables_expr): New.
3429         (expand_scalar_variables_stmt): New.
3430         (expand_scalar_variables): New.
3431         (move_phi_nodes): Create new phi instead of moving old one.
3432         (translate_clast): Call expand_scalar_variables.
3433         (find_vdef_for_var_in_bb): Also scan regular definitions.
3434         (skip_phi_defs): New.
3435         (collect_scop_exit_phi_args): New.
3436         (patch_scop_exit_phi_args): New.
3437         (gloog): Patch phis after scop.
3438         * tree-flow.h: (add_phi_node_to_bb): Declared.
3439         (make_phi_node): Declared.
3440
3441 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3442
3443         * graphite.c (end_scop): Split the entry of the scop when it
3444         is the header of the loop in which the scop is ending.
3445         (build_scops_1, limit_scops): Update uses of end_scop.
3446
3447 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3448
3449         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
3450         SCOP_ENTRY or SCOP_EXIT.
3451
3452 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3453
3454         * graphite.c (get_construction_edge): Removed.
3455         (gloog): Construction edge is the scop entry edge.
3456
3457 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3458
3459         * graphite.c (can_generate_for_scop): Removed.
3460         (gloog): Do not call it.
3461
3462 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3463
3464         * graphite.c (new_scop): Entry of a scop is an edge.
3465         Initialize SESE region.
3466         (free_scop): Free SESE region.
3467         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
3468         (split_difficult_bb): New, split from end_scop.
3469         (end_scop): Exit of a scop is an edge.
3470         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
3471         not automatically updated and thus is always wrong.
3472         * graphite.h (struct sese): New.
3473         (SESE_ENTRY): New.
3474         (SESE_EXIT): New.
3475         (struct scop): New field for a SESE region.  Remove entry, exit.
3476         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
3477         semantics as before.  Moved comment around.
3478
3479 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3480             Sebastian Pop  <sebastian.pop@amd.com>
3481
3482         * graphite.c (graphite_transform_loops): Always enable gloog
3483         and find_transform when ENABLE_CHECKING.
3484
3485 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3486
3487         * graphite.c (graphite_transform_loops): Move pretty printer
3488         of SCOPs before doing any transform.  Remove call to print_scops
3489         and dot_all_scops_1.
3490
3491 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3492
3493         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
3494         (print_graphite_bb): Same.
3495
3496 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3497
3498         * graphite.c (dot_all_scops_1): Cleanup.
3499         (move_scops): Fix comment.
3500
3501 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3502
3503         * graphite.c (build_scop_bbs): Revert commit 139355:
3504
3505         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3506                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3507
3508                 * graphite.c (build_scop_bbs): Factor up code.
3509
3510 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3511
3512         * graphite.c (gloog): Update dominator info.
3513
3514 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3515
3516         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
3517
3518 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3519
3520         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
3521         initialization.
3522         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
3523         (translate_clast): Correct formatting.
3524         * graphite.h (struct num_map): Removed.
3525         (struct graphite_bb): Remove num_map field.
3526         (GBB_INDEX_TO_NUM_MAP): Removed.
3527
3528 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3529
3530         * graphite.c (build_access_matrix_with_af): Fix comments.
3531         (build_scop_data_accesses): Same.
3532
3533 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3534
3535         * graphite.c (build_scop_data_accesses): Don't construct
3536         access matrices.  Add a FIXME and an assert condition that
3537         should pass when the access matrices will be needed.
3538
3539 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3540
3541         * tree-data-ref.c (stmt_simple_memref_p): Don't call
3542         really_constant_p.
3543         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
3544         Moved close by free_graphite_bb.
3545         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
3546         (new_scop): Move close by free_scop.
3547         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
3548
3549 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
3550
3551         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
3552         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
3553         instead of recursive call.
3554         (graphite_translate_clast_equation): New.
3555         (graphite_create_guard_cond_expr): New.
3556         (graphite_create_new_guard): New.
3557         (get_stack_index_from_iv): Removed.
3558         (graphite_rename_ivs_stmt): Use gbb_loop_index.
3559         (get_true_edge_from_guard_bb): New.
3560         (translate_clast): Handle stmt_guard in clast.
3561         (get_construction_edge): Allow construction edge detection for
3562         a scope entry with multiple predecessors if one predecessor is
3563         the immediate dominator of scope entry.
3564         (can_generate_code_stmt): Enable code generation for clast_guard.
3565         (gloog): Use correct context loop.  Removed check for post dominators.
3566         * cfgloop.h (create_empty_if_region_on_edge): Declared.
3567
3568 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3569
3570         * graphite.c (remove_dead_loops): Document better which
3571         loops are removed.
3572
3573 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3574
3575         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
3576         and PPLINC.
3577         (graphite.o): Also depends on pointer-set.h.
3578
3579 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3580
3581         * graphite.c (scop_record_loop): Fix compile warning.
3582
3583 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
3584             Sebastian Pop  <sebastian.pop@amd.com>
3585
3586         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
3587
3588 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3589
3590         * graphite.c (build_graphite_bb): Initialize bb->aux to
3591         point to the graphite_bb_p.
3592         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
3593         content of bb->aux.
3594         (add_bb_domains): Does not use the scop parameter.
3595         (graphite_transform_loops): Clean bb->aux at the end.
3596
3597 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3598             Sebastian Pop  <sebastian.pop@amd.com>
3599
3600         * testsuite/lib/target-supports.exp
3601         (check_effective_target_fgraphite): New.
3602
3603         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
3604         check_effective_target_fgraphite returns false.
3605         Set dg-do-what-default to compile.
3606         (scan-graphite-dump-times): Removed.
3607         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
3608
3609         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
3610         Use scan-tree-dump-times instead of scan-graphite-dump-times.
3611         * testsuite/gcc.dg/graphite/scop-1.c: Same.
3612         * testsuite/gcc.dg/graphite/scop-2.c: Same.
3613         * testsuite/gcc.dg/graphite/scop-3.c: Same.
3614         * testsuite/gcc.dg/graphite/scop-4.c: Same.
3615         * testsuite/gcc.dg/graphite/scop-5.c: Same.
3616         * testsuite/gcc.dg/graphite/scop-6.c: Same.
3617         * testsuite/gcc.dg/graphite/scop-7.c: Same.
3618         * testsuite/gcc.dg/graphite/scop-8.c: Same.
3619         * testsuite/gcc.dg/graphite/scop-9.c: Same.
3620         * testsuite/gcc.dg/graphite/scop-10.c: Same.
3621         * testsuite/gcc.dg/graphite/scop-11.c: Same.
3622         * testsuite/gcc.dg/graphite/scop-12.c: Same.
3623         * testsuite/gcc.dg/graphite/scop-13.c: Same.
3624         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
3625         * testsuite/gcc.dg/graphite/scop-14.c: Same.
3626         * testsuite/gcc.dg/graphite/scop-15.c: Same.
3627         * testsuite/gcc.dg/graphite/block-0.c: Same.
3628         * testsuite/gcc.dg/graphite/scop-16.c: Same.
3629         * testsuite/gcc.dg/graphite/block-1.c: Same.
3630         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3631         * testsuite/gcc.dg/graphite/scop-18.c: Same.
3632         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3633         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
3634         * testsuite/gfortran.dg/graphite/block-2.f: Same.
3635
3636 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3637
3638         * graphite.c: Fix some XXX comments.
3639         (build_scop_dynamic_schedules): Removed.
3640
3641 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3642
3643         * graphite.h (scop_max_loop_depth): Moved...
3644         * graphite.c (scop_max_loop_depth): ...here.
3645         (remove_all_edges_1): New.
3646         (remove_all_edges): Factored code.
3647         (remove_cond_exprs): Check only the last statement for
3648         a GIMPLE_COND expression.
3649
3650 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3651
3652         * graphite.c (scan_tree_for_params): Early return when the
3653         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
3654         (find_scop_parameters): Factor out code.
3655         (graphite_trans_bb_strip_mine): Remove dead code.
3656
3657 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3658
3659         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
3660         graphite_trans_bb_move_loop): Factor asserts.
3661         (gloog): Perform sanity checks only for ENABLE_CHECKING.
3662         Do not call calculate_dominance_info and estimate_bb_frequencies.
3663
3664 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
3665
3666         * graphite.c (create_loops_mapping, free_loops_mapping,
3667         create_loops_mapping_num, debug_loop_mapping_1,
3668         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
3669         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
3670         graphite_loops_mapping_add_child_num,
3671         graphite_loops_mapping_insert_child,
3672         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
3673         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
3674         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
3675         create_num_from_index, get_num_from_index,
3676         swap_loop_mapped_depth): Removed.
3677         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
3678         (free_scop): Do not call free_loops_mapping.
3679         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
3680         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
3681         get_loop_mapped_depth.
3682         (graphite_trans_bb_move_loop): Do not update the loop mapping.
3683         (graphite_trans_bb_strip_mine): Same.
3684         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
3685         (struct scop): Remove field loops_mapping.
3686
3687 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3688             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3689
3690         * graphite.c (scop_record_loop): Factor out one level of the
3691         condition by early return.
3692         (build_scop_loop_nests): Format following FSF coding style.
3693         (build_scop_dynamic_schedules): Factor out code.
3694         (scopdet_bb_info): Reindent.  Default case should not be reachable.
3695
3696 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3697             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3698
3699         * graphite.c (loop_affine_expr): Check for DECL_P or struct
3700         assignments that are not handled as simple operands for now.
3701
3702 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3703             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3704
3705         * graphite.c (build_scop_bbs): Factor up code.
3706
3707 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3708             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3709
3710         * graphite.c (stmt_simple_for_scop_p): Factor code out
3711         of the loop.
3712         (enum gbb_type): New.  Group all the GBB_* types under it.
3713         (is_loop_exit): Moved...
3714         (end_scop): Enable BB spliting.
3715         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
3716         * cfgloop.h (is_loop_exit): Declared.
3717
3718 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3719
3720         * doc/invoke.texi: Remove strides from examples containing
3721         DO loops when the strides are equal to 1.
3722
3723 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
3724             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3725
3726         * graphite.c (graphite_trans_scop_block): Or the result with
3727         the result from graphite_trans_loop_block.
3728         * testsuite/gcc.dg/graphite/block-1.c: New.
3729         * testsuite/gfortran.dg/graphite/block-1.f90: New.
3730         * testsuite/gfortran.dg/graphite/block-2.f: New.
3731
3732 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3733
3734         * graphite.c (graphite_transform_loops): Call cloog_initialize
3735         and cloog_finalize.
3736
3737 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3738
3739         * tree-data-ref.c) (stmt_simple_memref_p): New.
3740         * tree-data-ref.h (stmt_simple_memref_p): Declared.
3741         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
3742         (is_simple_operand): Call stmt_simple_memref_p.
3743
3744         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
3745         using pointer arithmetic, as this is optimized by PRE and
3746         makes the code too difficult to analyze.
3747
3748         * testsuite/gcc.dg/graphite/scop-18.c: Same.
3749
3750 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3751
3752         * gdbinit.in (pgg): New.
3753
3754 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3755
3756         * graphite.c (graphite_trans_loop_block): Fix warning.
3757
3758 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3759
3760         * graphite.c (graphite_trans_loop_block): Fix my merge error.
3761
3762 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3763
3764         * graphite.c (graphite_trans_bb_block): Remove check for
3765         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
3766         Check if loop blocking is profitable for every loop, before applying
3767         the changes.
3768         (graphite_apply_transformations): Call graphite_trans_bb_block only,
3769         if flag_loop_block is set.
3770
3771 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3772
3773         * graphite.c: Add some more documentation for the loop
3774         mapping.
3775
3776 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3777
3778         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
3779         * graphite.c: Format on less than 80 columns.
3780         * graphite.h: Same.
3781
3782 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3783
3784         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
3785
3786 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3787
3788         * doc/invoke.texi (floop-block, floop-strip-mine,
3789         floop-interchange): Update documentation with examples.
3790
3791 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3792
3793         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
3794         add_referenced_var.
3795         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
3796
3797 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3798
3799         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
3800         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
3801         * tree-scalar-evolution.c: Revert useless changes.
3802         * tree-phinodes.c: Same.
3803         * cfghooks.c: Same.
3804         * vec.h: Same.
3805         * tree-vectorizer.h: Same.
3806         * tree-flow.h: Same.
3807         * tree-cfg.c: Same.
3808         * common.opt (fgraphite): Update documentation.
3809
3810 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
3811
3812         * doc/invoke.texi (-floop-block, -floop-strip-mine,
3813         -floop-interchange): Add more text for explaining what each of these
3814         flags is doing.
3815         * tree-into-ssa.c (gimple_vec): Moved to...
3816         * graphite.c: Include gimple.h.
3817         (gimple_vec): Moved to...
3818         (del_loop_to_cloog_loop): Removed.
3819         (loop_affine_expr): Do not call create_data_ref when the
3820         operand is a constant.
3821         (new_scop): Use free instead of del_loop_to_cloog_loop.
3822         * Makefile.in (graphite.o): Depend on GIMPLE_H.
3823         * gimple.h (gimple_vec): ... here.
3824
3825 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3826
3827         * graphite.c (scopdet_bb_info): Only allow loops with known number of
3828         latch executions.
3829         (build_loop_iteration_domains): Fail, if latch executions unknown.
3830
3831 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3832
3833         * graphite.c (add_conditions_to_domain): New.
3834         (build_scop_conditions_1): Call add_conditions_to_domain.
3835         (set_cloog_options): Allow to disable optimizations.
3836
3837 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3838
3839         * graphite.c (find_params_in_bb): Look for parameters in conditions.
3840         Do not use walk_dominator_tree.
3841         (find_scop_parameters): Do not use walk_dominator_tree.
3842
3843 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3844
3845         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
3846         (idx_record_params): Adapt.
3847         * graphite.h (scop_gimple_loop_depth): New.
3848
3849 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3850
3851         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
3852         (scan_tree_for_params): Remove value_init.
3853         (build_scop_context): Remove value_init.
3854         (build_loop_iteration_domains): Remove value_init.
3855         (schedule_to_scattering): Remove value_init.
3856         (graphite_trans_bb_strip_mine): Remove value_init.
3857
3858 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3859
3860         * gcc/graphite.c (limit_scops): New.
3861         (graphite_transform_loops): Add limit SCoPs.
3862         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
3863         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
3864         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
3865         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
3866         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
3867         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
3868         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
3869         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
3870         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
3871         Change loop numbers.
3872         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
3873         Change loop numbers.
3874         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
3875         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
3876         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
3877         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
3878         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
3879         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
3880         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
3881         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
3882         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
3883         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
3884
3885 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3886
3887         * graphite.c (graphite_transform_loops): Call always find_transform.
3888
3889 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3890
3891         * graphite.c (free_loops_mapping): New.
3892         (stmt_simple_for_scop_p): Fix typo.
3893         (stmt_simple_for_scop_p): Fix tuples functions, that