gcc/ChangeLog.graphite

   1 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         PR middle-end/42393
   4         * graphite-clast-to-gimple.c: Fix formatting.
   5         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
   6         (expr_defined_in_loop_p): New.
   7         (add_loop_exit_phis): Also handle full expressions: remove from
   8         the rename_map the expressions defined in the loop that we're closing.
   9
  10         * testsuite/gfortran.dg/graphite/pr42393-1.f90: New.
  11         * testsuite/gfortran.dg/graphite/pr42393.f90: Add new flags
  12         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
  13         make this testcase useful in the Graphite branch.
  14
  15 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
  16
  17         * graphite-scop-detection.c (exclude_component_ref): Removed.
  18         (is_simple_operand): Removed.
  19         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
  20
  21 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
  22
  23         PR middle-end/42221
  24         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
  25         the array indexing of ADDR_EXPRs.
  26
  27         * testsuite/gcc.dg/graphite/pr42221.c: New.
  28
  29 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
  30
  31         PR middle-end/42521
  32         * graphite.c (graphite_finalize): Call scev_reset.
  33         (graphite_transform_loops): Do not call scev_reset between the code
  34         generation of scops.
  35
  36         * testsuite/gcc.dg/graphite/pr42521.c: New.
  37
  38 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
  39
  40         * graphite-interchange.c (memory_stride_in_loop): Renamed
  41         pdr_stride_in_loop.
  42         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
  43         (memory_strides_in_loop): Memoize the memory strides per loop.
  44         (lst_interchange_profitable_p): Do not initialize to zero the memory
  45         strides.
  46         * graphite-poly.h (struct lst): Add a field memory_strides.
  47         (LST_LOOP_MEMORY_STRIDES): New.
  48         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
  49         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
  50
  51 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
  52
  53         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
  54         memory_strides_in_loop.  Gather memory strides on a whole loop.
  55         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
  56         (lst_interchange_profitable_p): Removed.
  57         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
  58
  59 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
  60
  61         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
  62         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
  63         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
  64         Remove context_loop and level.
  65
  66 2010-01-07  Richard Guenther  <rguenther@suse.de>
  67
  68         PR tree-optimization/42641
  69         * sese.c (rename_map_elt_info): Use the SSA name version, do
  70         not hash pointers.
  71
  72 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
  73
  74         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
  75         blocked" only when both the strip mine and the interchange have
  76         been applied.
  77
  78         * testsuite/gcc.dg/graphite/block-2.c: Removed.
  79         * testsuite/gcc.dg/graphite/block-3.c: Add scan pattern.
  80         * testsuite/gcc.dg/graphite/block-4.c: Same.
  81         * testsuite/gcc.dg/graphite/block-5.c: Same.
  82         * testsuite/gcc.dg/graphite/block-6.c: Same.
  83
  84 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
  85
  86         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
  87         before allocating a new one.
  88         (copy_renames): Check that slot is not NULL.
  89         (mark_bb_with_pbb): Same.
  90         (compute_cloog_iv_types_1): Same.
  91         * graphite-interchange.c (lst_perfect_nestify): Free the before,
  92         nest, and after LSTs.
  93         (lst_try_interchange_loops): Same.
  94
  95 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
  96
  97         PR middle-end/42178
  98         * graphite-interchange.c (lst_try_interchange_loops): Do not return
  99         the before, nest, and after LSTs.
 100         (lst_try_interchange): Removed.
 101         (lst_interchange_select_inner): Do not iterate over the LSTs if they
 102         were modified.
 103         (lst_interchange_select_outer): Apply interchange on the outer loop
 104         until there are no more changes in the inner loops.
 105
 106 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 107
 108         Revert patch fixing PR middle-end/42221.
 109
 110 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 111
 112         PR middle-end/42180
 113         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
 114         GIMPLE_CALL.
 115
 116         * testsuite/gfortran.dg/graphite/pr42180.f90: Add compile flags.
 117
 118 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 119
 120         PR middle-end/42180
 121         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
 122         that contain only one statement.
 123
 124         * testsuite/gfortran.dg/graphite/pr42180.f90: New.
 125
 126 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 127
 128         PR middle-end/42393
 129         * testsuite/gfortran.dg/graphite/pr42393.f90: New.
 130
 131 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 132
 133         PR middle-end/42186
 134         * testsuite/gfortran.dg/graphite/pr42186.f90: New.
 135
 136 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 137
 138         PR middle-end/42205
 139         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
 140         Insert the reduction copy in the same block as the phi node.
 141         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
 142
 143         * testsuite/gcc.dg/graphite/pr42205-1.c: New.
 144         * testsuite/gcc.dg/graphite/pr42205-2.c: New.
 145
 146 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 147
 148         PR middle-end/42221
 149         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 150         the array indexing of ADDR_EXPRs.
 151
 152         * testsuite/gcc.dg/graphite/pr42221.c: New.
 153
 154 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 155
 156         PR middle-end/42178
 157         PR middle-end/42334
 158         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
 159         index.  Call lst_interchange_select_inner only once.
 160         (lst_interchange_select_inner): Update use of lst_try_interchange.
 161         (lst_interchange_select_outer): Update.
 162
 163 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 164
 165         PR middle-end/42178
 166         PR middle-end/42334
 167         * graphite-interchange.c (lst_try_interchange): Do not increment the
 168         the OUTER index when there is no AFTER kernel.  Do not increment the
 169         OUTER index for after processing the AFTER kernel.
 170         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
 171         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
 172         index.  Do not pass to lst_interchange_select_inner the OUTER index.
 173         (scop_do_interchange): Update use of lst_interchange_select_outer.
 174
 175         * testsuite/gfortran.dg/graphite/graphite.exp
 176         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
 177         * testsuite/gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
 178         the graphite dump file.
 179         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
 180         * testsuite/gfortran.dg/graphite/pr42334-1.f: New.
 181
 182 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 183
 184         PR middle-end/42178
 185         PR middle-end/42334
 186         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
 187         that are empty.
 188         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
 189         (lst_try_interchange): Reimplemented.
 190         (lst_interchange_select_inner): Same.
 191         (lst_do_interchange): Renamed lst_interchange_select_outer.
 192         Reimplemented.
 193         (scop_do_interchange): Update use of lst_interchange_select_outer.
 194
 195         * testsuite/g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
 196         * testsuite/gcc.dg/graphite/block-0.c: Un-XFAILed.
 197         * testsuite/gcc.dg/graphite/pr42211.c: New.
 198         * testsuite/gfortran.dg/graphite/pr42334.f90: New.
 199
 200 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
 201
 202         PR middle-end/42181
 203         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
 204         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
 205
 206         * testsuite/gfortran.dg/graphite/pr42181.f90: New.
 207
 208 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
 209
 210         PR middle-end/42284
 211         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
 212         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
 213         (detect_commutative_reduction_arg): Simplified.
 214         (detect_commutative_reduction): Early return when the argument of
 215         the close phi is not of an SSA_NAME.
 216
 217         * testsuite/gcc.dg/graphite/pr42284.c: New.
 218
 219 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
 220
 221         * dbgcnt.def (graphite_scop): New counter.
 222         * graphite.c: Include dbgcnt.h
 223         (graphite_transform_loops): Use new counter to limit transformations.
 224
 225 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
 226
 227         PR middle-end/42285
 228         * graphite-scop-detection.c (graphite_can_represent_init): Also
 229         handle more complex MULT_EXPRs containing parameters by recursion
 230         on the structure.
 231
 232         * testsuite/gfortran.dg/graphite/pr42285.f90: New.
 233
 234 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
 235
 236         * testsuite/g++.dg/graphite/pr42130.C: Fix type.
 237
 238 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
 239
 240         * testsuite/g++.dg/graphite/pr42130.C: Correct testcase.
 241
 242 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 243
 244         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
 245         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
 246
 247 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 248
 249         PR middle-end/42130
 250         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
 251         translate_clast_for_loop): New.
 252         (translate_clast_for): Add a condition around the loop, to do not
 253         execute loops with zero iterations.
 254         * testsuite/g++.dg/graphite/pr42130.C: New.
 255         * testsuite/gcc.dg/graphite/pr35356-2.c: Adapt.
 256
 257 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 258
 259         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 260         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 261         Remove context_loop and level.
 262
 263 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 264
 265         * graphite-clast-to-gimple.c (translate_clast_user,
 266         translate_clast_for, translate_clast_guard): Simplify and move common
 267         elements to translate_clast().
 268         (translate_clast): Simplify and get common elements.
 269
 270 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 271
 272         * graphite-clast-to-gimple.c (translate_clast_user,
 273         translate_clast_for, translate_clast_guard): Split out of
 274         translate_clast.
 275
 276 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
 277
 278         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
 279         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
 280         debug_clast_name_indexes_1, debug_clast_name_indexes,
 281         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
 282         (clast_name_to_gcc, clast_to_gcc_expression,
 283         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
 284         gcc_type_for_clast_eq, graphite_translate_clast_equation,
 285         graphite_create_guard_cond_expr, graphite_create_new_loop,
 286         translate_clast): Add params_index.
 287         (initialize_cloog_names): Create parameter strings from scratch, do
 288         not reference other strings.
 289         (create_params_index): New.
 290         (gloog): Initialize params_index.
 291         * graphite-scop-detection (free_scops_1): Removed.
 292         (limit_scops): Use normal free_scops.
 293         * graphite-sese-to-poly.c (save_var_names): Removed.
 294         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
 295         and SESE_PARAMS_INDEX.
 296         * sese.c (new_sese, free_sese): Dito.
 297         * sese.h (struct sese): Remove params_index, params_names.
 298         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
 299
 300 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 301
 302         Revert the following patch from 2009-09-14:
 303         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 304         tree-scalar-evolution.h, and then tree-data-ref.h.
 305         * graphite-clast-to-gimple.c: Same.
 306         * graphite-dependences.c: Same.
 307         * graphite-interchange.c: Same.
 308         * graphite-poly.c: Same.
 309         * graphite-scop-detection.c: Same.
 310         * graphite-sese-to-poly.c: Same.
 311         * graphite.c: Same.
 312         * lambda-code.c: Same.
 313         * matrix-reorg.c: Same.
 314         * tree-data-ref.c: Same.
 315         * tree-if-conv.c: Same.
 316         * tree-loop-distribu: Same.: Same.
 317         * tree-loop-linear.c: Same.
 318         * tree-parloops.c: Same.
 319         * tree-predcom.c: Same.
 320         * tree-vect-patterns.c: Same.
 321
 322 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 323
 324         Revert patch from 2009-09-14.
 325         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
 326         passes at -O1 and below.
 327
 328 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 329
 330         PR middle-end/40281
 331         * testsuite/gcc.dg/graphite/pr40281.c: New.
 332
 333         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
 334         evolutions should not variate in inner loops.
 335
 336 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 337
 338         PR middle-end/42050
 339         * testsuite/gfortran.dg/graphite/pr42050.f90: New.
 340
 341 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 342
 343         * graphite-interchange.c (memory_strides_in_loop_depth): New.
 344         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
 345
 346 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 347
 348         * graphite-blocking.c (scop_do_block): New.
 349         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
 350         * graphite-poly.h (scop_do_block): Declared.
 351
 352 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 353
 354         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
 355         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 356         to transform depth into the time_depth before calling
 357         pbb_number_of_iterations_at_time.
 358         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 359         lst_depth.
 360
 361 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 362
 363         Reverted the patch for "scattering permutations" from 2009-10-28.
 364
 365         * graphite-poly.c (print_permutation): New.
 366         (debug_permutation): New.
 367         (new_poly_bb): Initialize PBB_PERMUTATION.
 368         (free_poly_bb): Free PBB_PERMUTATION.
 369         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 370         (struct pbb_permutation_elt): New.
 371         (PBB_PERMUTATION_ELT_STRIDE): New.
 372         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 373         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 374         (new_pbb_permutation_elt): New.
 375         (pbb_permutation_elt_free): New.
 376         (struct poly_bb): Add field permutation.
 377         (PBB_PERMUTATION): New.
 378         (print_permutation): Declared.
 379         (debug_permutation): Declared.
 380
 381 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 382
 383         * graphite-interchange.c (build_partial_difference): New.
 384         (memory_stride_in_loop): Refactored the computation of
 385         equality constraints into build_partial_difference function.
 386         Added support for debugging stride computations.
 387
 388 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 389
 390         * graphite-clast-to-gimple.c (gloog): Free if_region,
 391         if_region->true_region, and if_region->region.
 392         * sese.c (if_region_set_false_region): Free if_region->false_region.
 393         (create_if_region_on_edge): Do not use GGC_NEW.
 394         (move_sese_in_condition): Remove useless initialization.
 395
 396 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 397
 398         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
 399         for the loops created by the loop distribution.  Do not modify the
 400         input LSTs.
 401         (lst_try_interchange_loops): Same.  Use a temporary LST for the
 402         transformed schedule.  Call lst_update_scattering before data
 403         dependence analysis.
 404         (lst_try_interchange): Pass an extra parameter INDEX.
 405         (lst_do_interchange_1): New.
 406         (lst_do_interchange): Call lst_do_interchange_1.
 407         (scop_do_interchange): Call lst_update_scattering.
 408         * graphite-poly.c (apply_poly_transforms): Do not call
 409         lst_update_scattering.
 410         * graphite-poly.h (lst_pred): New.
 411         (lst_succ): New.
 412         (lst_find_first_pbb): Return NULL when not found.
 413         (lst_empty_p): New.
 414         (lst_insert_in_sequence): Allow LST1 to be NULL.
 415         (lst_replace): New.
 416         (lst_substitute_3): New.
 417         * gcc.dg/graphite/interchange-1.c: XFail.
 418         * gcc.dg/graphite/interchange-8.c: XFail.
 419         * gcc.dg/graphite/interchange-11.c: XFail.
 420
 421 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 422
 423         * graphite-interchange.c (lst_perfectly_nested_p): New.
 424         (lst_perfect_nestify): New.
 425         (lst_try_interchange_loops): Call store_lst_schedule,
 426         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
 427         (scop_do_interchange): Avoid redundant legality test.
 428         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
 429         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
 430         * graphite-poly.h (psct_static_dim): New.
 431         (lst_dewey_number_at_depth): New.
 432         (lst_find_pbb): Restructured.
 433         (lst_find_first_pbb): Restructured.
 434         (lst_find_last_pbb): New.
 435         (lst_contains_p): New.
 436         (lst_contains_pbb): New.
 437         (lst_create_nest): New.
 438         (lst_remove_from_sequence): New.
 439         (pbb_update_scattering): New.
 440         (lst_update_scattering_under): New.
 441         (lst_update_scattering_seq): New.
 442         (lst_update_scattering): New.
 443         (lst_insert_in_sequence): New.
 444         (lst_distribute_lst): New.
 445         (lst_remove_all_before_including_pbb): New.
 446         (lst_remove_all_before_excluding_pbb): New.
 447
 448 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 449
 450         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
 451         get_loop_exit_edges.
 452
 453 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 454
 455         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
 456
 457 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 458
 459         * graphite-poly.c (print_permutation): New.
 460         (debug_permutation): New.
 461         (new_poly_bb): Initialize PBB_PERMUTATION.
 462         (free_poly_bb): Free PBB_PERMUTATION.
 463         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 464         (struct pbb_permutation_elt): New.
 465         (PBB_PERMUTATION_ELT_STRIDE): New.
 466         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 467         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 468         (new_pbb_permutation_elt): New.
 469         (pbb_permutation_elt_free): New.
 470         (struct poly_bb): Add field permutation.
 471         (PBB_PERMUTATION): New.
 472         (print_permutation): Declared.
 473         (debug_permutation): Declared.
 474
 475 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 476
 477         * graphite-clast-to-gimple.c (gloog): Do not call
 478         sese_reset_aux_in_loops.
 479         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
 480         extra argument for domains.  Do not use loop->aux.
 481         (build_scop_iteration_domain): Initialize and free domains, pass it
 482         to build_loop_iteration_domains and extract the information from
 483         domains.  Do not use loop->aux.
 484         * sese.c (sese_reset_aux_in_loops): Removed.
 485         * sese.h (sese_reset_aux_in_loops): Removed.
 486
 487 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 488
 489         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
 490         (dependency_in_loop_p): Same.
 491         (translate_clast): Do not use loop->aux.  Initialize
 492         loop->can_be_parallel.
 493         (mark_loops_parallel): Removed.
 494         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
 495         * graphite.c (free_aux_in_new_loops): Removed.
 496         (graphite_finalize): Do not call free_aux_in_new_loops.
 497         (graphite_transform_loops): Do not call mark_loops_parallel.
 498
 499 2009-10-26  Li Feng  <nemokingdom@gmail.com>
 500
 501         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
 502         (translate_clast): Pass an extra parameter LEVEL.
 503         Call get_scattering_level.
 504         * graphite-clast-to-gimple.h (get_scattering_level): New.
 505
 506 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 507
 508         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
 509         * cfgloop.h (struct loop): New field single_iv.
 510
 511         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
 512         loop->aux anymore: use loop->single_iv.
 513         (graphite_loop_normal_form): Moved...
 514         (build_graphite_loop_normal_form): Removed.
 515         (gloog): Do not call build_graphite_loop_normal_form.
 516         (free_aux_in_new_loops): Moved...
 517         (mark_loops_parallel): Restructure.
 518         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
 519         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
 520         (scop_canonicalize_loops): New.
 521         (build_poly_scop): Call scop_canonicalize_loops.
 522         * graphite.c (free_aux_in_new_loops): ...here.
 523
 524 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 525
 526         * g++.dg/graphite/graphite.exp: Add the same rules as in
 527         gcc.dg/graphite/graphite.exp.
 528
 529 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 530
 531         * g++.dg/graphite/id-1.C: New.
 532
 533 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 534
 535         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
 536         argument base_name.
 537         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
 538         (rewrite_phi_out_of_ssa): Same.
 539         (rewrite_cross_bb_scalar_deps): Same.
 540         (translate_scalar_reduction_to_array): Same.
 541
 542 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 543
 544         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
 545         dump_alias_graphs.
 546
 547 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 548
 549         * graphite-sese-to-poly.c (dump_alias_graphs): New.
 550         (build_scop_drs): Call dump_alias_graphs.
 551
 552 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 553
 554         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
 555         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 556         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
 557         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 558         * graphite-poly.h (free_lst): New.
 559         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
 560         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
 561
 562 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 563
 564         * graphite-poly.h (struct scop): Add a field saved_schedule.
 565         (SCOP_SAVED_SCHEDULE): New.
 566         (store_lst_schedule): New.
 567         (restore_lst_schedule): New.
 568         (store_scattering): Call store_lst_schedule.
 569         (restore_scattering): Call restore_lst_schedule.
 570
 571 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 572
 573         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
 574         (pdr_add_alias_set): Same.
 575         (build_poly_dr): Same.
 576         (build_alias_set_optimal_p): Same.
 577         (build_base_obj_set_for_drs): Same.  Do not store the result of
 578         graphds_dfs.
 579
 580 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 581
 582         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
 583         all_components_are_cliques to 1.
 584
 585 2009-10-20  Li Feng  <nemokingdom@gmail.com>
 586
 587         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
 588         the new structure.
 589         (pdr_add_alias_set): Update retrieving alias_set_num.
 590         (build_poly_dr): Update retrieving dr_base_object_set.
 591         (partition_drs_to_sets): Remove.
 592         (build_alias_set_optimal_p): New.
 593         (build_alias_set_for_drs): Rename.
 594         (build_scop_drs): Update.
 595         * graphite-sese-to-poly.h (struct base_alias_pair): New.
 596         (ALIAS_SET_INDEX): Remove.
 597         (BASE_OBJECT_SET_INDEX): Remove.
 598
 599 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 600
 601         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
 602
 603 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 604
 605         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
 606         loop upper bounds for 1-element arrays at end of structures.
 607         * tree-flow.h (array_at_struct_end_p): Declared.
 608         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
 609
 610 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 611
 612         * g++.dg/graphite/pr41305.C: New.
 613
 614 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
 615
 616         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
 617         construction of parameter constraints from loop iteration analysis.
 618         * gcc.dg/graphite/run-id-2.c: New test.
 619
 620 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 621
 622         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
 623         and new_cstr.
 624
 625 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 626
 627         * graphite-dependences.c (dependence_polyhedron_1): Remove
 628         unused gdim dimensions from the DDR polyhedron.
 629
 630 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 631
 632         * graphite-dependences.c (pddr_transformed_scattering): New.
 633         (dot_original_deps_stmt_1): New.
 634         (dot_transformed_deps_stmt_1): New.
 635         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
 636         dot_transformed_deps_stmt_1.
 637         (dot_original_deps): New.
 638         (dot_transformed_deps): New.
 639         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
 640
 641 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 642
 643         * graphite-dependences.c (reduction_dr_1): Remove wrong
 644         assert: reduction BBs can have multiple reduction writes
 645         to memory.  interchange-3.f90 is an example.
 646
 647 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 648
 649         * gfortran.dg/graphite/interchange-3.f90: New.
 650
 651 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 652
 653         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
 654
 655 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 656
 657         * graphite-dependences.c (dependence_polyhedron_1): Add the
 658         context to the dependence polyhedron.
 659
 660 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 661
 662         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
 663         PBB_PDR_DUPLICATES_REMOVED.
 664         (new_poly_bb): Same.
 665
 666 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 667
 668         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
 669         SCOP_CONTEXT.
 670         (build_loop_iteration_domains): Extract bounds on parameters
 671         based on the data size.
 672         (build_scop_context): Do not initialize SCOP_CONTEXT;
 673         add new constraints.
 674
 675 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 676
 677         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
 678         * graphite-ppl.h (graphite-ppl.h): Declared.
 679
 680 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 681
 682         * graphite-ppl.c (ppl_print_linear_expr): New.
 683         (debug_ppl_linear_expr): New.
 684         * graphite-ppl.h (ppl_print_linear_expr): Declared.
 685         (debug_ppl_linear_expr): Declared.
 686
 687 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 688
 689         * graphite-interchange.c: Fix comments.
 690         * gcc.dg/graphite/block-1.c: Fix comments.
 691
 692 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 693
 694         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
 695         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
 696
 697 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 698
 699         Reapply the patch from Alexander Monakov that disappeared during
 700         the last merges from trunk.
 701
 702         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 703
 704         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 705         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 706
 707 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 708
 709         * graphite-interchange.c (memory_stride_in_loop): The depth
 710         argument corresponds to a dynamic time dimension, so use
 711         psct_dynamic_dim to refer to the transformed scattering dimension.
 712
 713 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 714
 715         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
 716
 717 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 718
 719         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
 720         root of the LST.
 721         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
 722         the root of the LST.
 723         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
 724         fake loop.
 725         (print_lst): Print the root of LST in a different format.
 726         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
 727
 728 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 729
 730         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
 731
 732 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 733
 734         * doc/passes.texi: Document the Graphite infrastructure.
 735
 736 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 737
 738         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
 739         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
 740         and check the SSA representation.
 741
 742         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
 743
 744 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 745
 746         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
 747
 748 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 749
 750         * gcc.dg/graphite/interchange-11.c: New.
 751
 752 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 753
 754         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
 755
 756 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 757
 758         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 759         Add -fno-loop-strip-mine and -fno-loop-interchange.
 760         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
 761         -fno-loop-strip-mine.
 762         * gfortran.dg/graphite/graphite.exp: Same.
 763
 764 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 765
 766         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 767         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
 768         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
 769         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
 770         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
 771         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
 772         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
 773         DEFAULT_FLAGS_GRAPHITE_SCOP.
 774         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
 775         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
 776
 777 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 778
 779         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
 780
 781 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 782             Sebastian Pop  <sebastian.pop@amd.com>
 783
 784         * graphite-interchange.c (build_linearized_memory_access): Pass an
 785         offset as parameter.
 786         (memory_stride_in_loop): Include transform scattering in the
 787         access functions to be able to querry the strides in the
 788         transformed loops.
 789         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
 790         not the psct_iterator_dim.
 791
 792 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 793
 794         * graphite-blocking.c (pbb_do_strip_mine): Removed.
 795         (lst_do_strip_mine_loop): New.
 796         (lst_do_strip_mine): New.
 797         (scop_do_strip_mine): Call lst_do_strip_mine.
 798         * graphite-poly.h (lst_add_loop_under_loop): New.
 799         (lst_find_first_pbb): New.
 800
 801 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 802
 803         * graphite-poly.c (loop_to_lst): Fix LST creation.
 804
 805 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 806
 807         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
 808         sizeof(unsigned long) to make it run on 32bit systems.
 809
 810 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 811
 812         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
 813         SEGFAULT on 32bit.
 814
 815 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 816
 817         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
 818         Comment.
 819         (write_alias_graph_to_ascii_dot): New.
 820         (write_alias_graph_to_ascii_ecc): Ditto.
 821         (partition_drs_to_sets): Add testing of optimality of current method
 822         which assigns alias numbers according to DFS Comopnent number.  used
 823         as heuristic for the upcoming ECC algorithm.
 824         (build_scop_drs): Write to file also with the ecc and dot format.
 825
 826 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 827
 828         * gfortran.dg/graphite/interchange-1.f: XFail.
 829
 830 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 831
 832         * graphite.c (graphite_initialize): Do not handle functions with
 833         more than 100 basic blocks.
 834
 835 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 836
 837         * graphite-blocking.c (pbb_do_strip_mine): Use
 838         PARAM_LOOP_BLOCK_TILE_SIZE.
 839
 840 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 841
 842         * graphite-poly.c (dot_lst_1): New.
 843         (dot_lst): New.
 844         * graphite-poly.h (dot_lst): Declared.
 845
 846 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 847
 848         * graphite-dependences.c (dot_deps_stmt_1): New.
 849         (dot_deps_stmt): New.
 850         * graphite-dependences.h (dot_deps_stmt): Declared.
 851
 852 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 853
 854         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
 855         not replace cross BB scalar dependences ending on PHI nodes.
 856         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
 857
 858 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 859
 860         * graphite-poly.c (apply_poly_transforms): Implement the high
 861         level driver for flag_loop_block.
 862         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
 863         flag_loop_block.
 864
 865         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
 866         -floop-block.
 867         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 868         Add -floop-block.
 869
 870 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 871
 872         * graphite-poly.h (lst_find_pbb): New.
 873         (find_lst_loop): New.
 874
 875 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 876
 877         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
 878         * graphite-poly.h (struct scop): Remove dep_graph field.
 879         (SCOP_DEP_GRAPH): Removed.
 880
 881 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 882
 883         * graphite-poly.h (copy_lst): Do full copy of LST.
 884
 885 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
 886
 887         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
 888         when the loop stride is zero.
 889
 890         * gcc.dg/graphite/id-16.c: New.
 891
 892 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 893
 894         * graphite-dependences.c (reduction_dr_1): New.
 895         (reduction_dr_p): New.
 896         (graphite_legal_transform_dr): Call reduction_dr_p.
 897         (reduction_ddr): Renamed reduction_ddr_p.
 898         * graphite-poly.h (same_pdr_p): New.
 899         (number_of_write_pdrs): New.
 900         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
 901         (split_reduction_stmt): Do not split reduction statements
 902         when there are no writes to memory.
 903         (translate_scalar_reduction_to_array_for_stmt): Insert the
 904         memory reduction statement just after the scalar reduction statement.
 905
 906         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
 907         Un-XFAIL-ed.
 908         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
 909         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
 910
 911 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 912
 913         * graphite-interchange.c (lst_apply_interchange): New.
 914         (lst_interchange_profitable_p): New.
 915         (lst_try_interchange_loops): New.
 916         (lst_try_interchange): New.
 917         (lst_do_interchange): New.
 918         (pbb_do_interchange): Removed.
 919         (scop_do_interchange): Call lst_do_interchange.
 920
 921 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 922
 923         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
 924         SCOP_TRANSFORMED_SCHEDULE.
 925         (loop_to_lst): New.
 926         (scop_to_lst): New.
 927         (print_lst): New.
 928         (debug_lst): New.
 929         * graphite-poly.h (lst_p): New.
 930         (struct lst): New.
 931         (LST_LOOP_P): New.
 932         (LST_LOOP_FATHER): New.
 933         (LST_PBB): New.
 934         (LST_SEQ): New.
 935         (scop_to_lst): Declared.
 936         (print_lst): Declared.
 937         (debug_lst): Declared.
 938         (new_lst_loop): New.
 939         (new_lst_stmt): New.
 940         (copy_lst): New.
 941         (lst_depth): New.
 942         (lst_dewey_number): New.
 943         (struct scop): Add original_schedule and transformed_schedule fields.
 944         (SCOP_ORIGINAL_SCHEDULE): New.
 945         (SCOP_TRANSFORMED_SCHEDULE): New.
 946         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
 947
 948 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 949
 950         * graphite-dependences.c (reduction_ddr): New.
 951         (graphite_legal_transform_bb): Call reduction_ddr.
 952         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
 953         Initialize PBB_IS_REDUCTION.
 954         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
 955         (PBB_IS_REDUCTION): New.
 956         (new_poly_bb): Update declaration.
 957         * graphite-scop-detection.h (build_scop_bbs): Removed.
 958         (nb_reductions_in_loop): Removed.
 959         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
 960         parameter for reductions.
 961         (try_generate_gimple_bb): Update call to new_poly_bb.
 962         (build_scop_bbs_1): Same.
 963         (build_scop_bbs): Same.
 964         (gsi_for_phi_node): New.
 965         (scalar_close_phi_node_p): Remove gcc_assert.
 966         (split_reduction_stmt): New.
 967         (is_reduction_operation_p): New.
 968         (phi_contains_arg): New.
 969         (follow_ssa_with_commutative_ops): New.
 970         (detect_commutative_reduction_arg): New.
 971         (detect_commutative_reduction_assign): New.
 972         (follow_inital_value_to_phi): New.
 973         (edge_initial_value_for_loop_phi): New.
 974         (initial_value_for_loop_phi): New.
 975         (detect_commutative_reduction): New.
 976         (translate_scalar_reduction_to_array_for_stmt): New.
 977         (insert_copyout): New.
 978         (insert_copyin): New.
 979         (translate_scalar_reduction_to_array): New.
 980         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
 981         (rewrite_commutative_reductions_out_of_ssa_loop): New.
 982         (rewrite_commutative_reductions_out_of_ssa): New.
 983         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
 984         * sese.h (split_region_for_bb): New.
 985
 986         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
 987         * gcc.dg/graphite/interchange-1.c: Fix format.
 988         * gcc.dg/graphite/interchange-10.c: New.
 989
 990 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 991
 992         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
 993         buggy assert.
 994
 995 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 996
 997         * graphite-sese-to-poly.c (scev_analyzable_p): New.
 998         (rewrite_cross_bb_scalar_dependence): New.
 999         (rewrite_cross_bb_scalar_deps): New.
1000         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
1001         Call rewrite_cross_bb_scalar_deps.
1002
1003 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1004
1005         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
1006         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
1007         gsi_for_stmt.
1008
1009 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1010
1011         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
1012         * graphite-interchange.c (pbb_do_interchange): Same.
1013         * graphite-poly.c (print_scattering_function): Same.
1014         (debug_pdrs): Same.
1015         * graphite-poly.h (pbb_loop): New.
1016         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
1017
1018 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1019
1020         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
1021
1022 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1023
1024         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
1025         so don't pass a pointer to it.
1026         (build_alias_set_for_drs): Same.
1027         (build_base_obj_set_for_drs): Same.
1028         (build_scop_drs): Same.
1029
1030 2009-09-26  Li Feng  <nemokingdom@gmail.com>
1031
1032         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
1033         the alias graph of data references.
1034
1035 2009-09-25  Li Feng  <nemokingdom@gmail.com>
1036
1037         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
1038         (build_scop_drs): When debugging, write the alias graph to file,
1039         otherwise, should be disabled.
1040
1041 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1042
1043         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
1044         (is_simple_operand): Remove call to stmt_simple_memref_p.
1045         (stmt_simple_for_scop_p): Update call to is_simple_operand.
1046
1047 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
1048
1049         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
1050         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
1051         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
1052         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
1053         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
1054
1055 2009-09-17 Li Feng  <nemokingdom@gmail.com>
1056
1057         PR middle-end/41118
1058         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
1059         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
1060         (graphite_carried_dependence_level_k): Ditto.
1061         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
1062         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
1063         (new_poly_dr): Adjust declaration.
1064         * graphite-sese-to-poly.c (free_data_refs_aux): New.
1065         (free_gimple_bb): Added free_data_refs_aux.
1066         (build_poly_dr): Add dr_base_object_set.
1067         (partition_drs_to_sets): New.
1068         (dr_same_base_object_p): New.
1069         (build_alias_set_for_drs): New.
1070         (build_base_object_set_for_drs): New.
1071         (build_scop_drs): Add build_base_obj_set_for_drs.
1072         * graphite-sese-to-poly.h: Added #define for alias set number index and
1073         base object set index.
1074         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1075         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1076
1077 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1078
1079         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1080         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1081
1082 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1083
1084         * graphite-sese-to-poly.c (struct irp_data): Removed.
1085         (idx_record_params): Removed.
1086         (find_params_in_bb): Scan for parameters the access functions; don't
1087         parse the tree representation.
1088
1089 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1090
1091         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
1092         passes at -O1 and below.
1093
1094 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1095
1096         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1097         tree-scalar-evolution.h, and then tree-data-ref.h.
1098         * graphite-clast-to-gimple.c: Same.
1099         * graphite-dependences.c: Same.
1100         * graphite-interchange.c: Same.
1101         * graphite-poly.c: Same.
1102         * graphite-scop-detection.c: Same.
1103         * graphite-sese-to-poly.c: Same.
1104         * graphite.c: Same.
1105         * lambda-code.c: Same.
1106         * matrix-reorg.c: Same.
1107         * tree-data-ref.c: Same.
1108         * tree-if-conv.c: Same.
1109         * tree-loop-distribu: Same.: Same.
1110         * tree-loop-linear.c: Same.
1111         * tree-parloops.c: Same.
1112         * tree-predcom.c: Same.
1113         * tree-vect-patterns.c: Same.
1114
1115 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1116
1117         Partially revert the previous patch, except the following.
1118         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1119         as parameters the operands of the not expression.
1120
1121 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1122
1123         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1124         Do not call analyze_scalar_evolution on assignments.
1125         (instantiate_scev_phi): Call analyze_scalar_evolution.
1126         (instantiate_scev_name): Call instantiate_scev_assign and
1127         instantiate_scev_phi.
1128         (instantiate_scev_not): Adapted to pass as parameters the operands
1129         of the not expression.
1130
1131 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1132
1133         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1134         to pass as parameters the operands of the binary expression.
1135
1136 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1137
1138         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1139         instantiate_scev_not.  Handle NEGATE_EXPR.
1140         (instantiate_scev_r): Handle NEGATE_EXPR.
1141
1142 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1143
1144         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1145         instantiate_scev_r.
1146         (instantiate_scev_r): Move code in instantiate_scev_2
1147         and instantiate_scev_1.
1148
1149 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1150
1151         * tree-scalar-evolution.c (instantiate_scev_3): New.
1152         (instantiate_scev_1): Move code in instantiate_scev_3.
1153
1154 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1155
1156         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1157         (instantiate_scev_1): Move code in instantiate_scev_poly.
1158
1159 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1160
1161         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1162         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1163
1164 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1165
1166         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1167         (instantiate_scev_1): Move code in instantiate_scev_convert.
1168
1169 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1170
1171         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1172         (instantiate_scev_1): Move code in instantiate_scev_binary.
1173
1174 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1175
1176         * tree-scalar-evolution.c (instantiate_scev_name): New.
1177         (instantiate_scev_1): Move code in instantiate_scev_name.
1178
1179 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1180
1181         * Merge from mainline (150992:151171).
1182
1183 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1184
1185         * graphite-dependences.c (graphite_legal_transform_bb): Call
1186         pbb_remove_duplicate_pdrs.
1187         * graphite-poly.c (can_collapse_pdr): Removed.
1188         (pdr_find_duplicate): Removed.
1189         (can_collapse_pdrs): New.
1190         (pbb_remove_duplicate_pdrs): New.
1191         (new_poly_dr): Do not look for duplicates.
1192         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1193         (PBB_PDR_DUPLICATES_REMOVED): New.
1194         (pbb_remove_duplicate_pdrs): Declared.
1195
1196 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1197
1198         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1199         the strides by multiplying by PDR_NB_REFS.
1200         * graphite-poly.c (can_collapse_pdr): New.
1201         (pdr_find_duplicate): New.
1202         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1203         Initialize PDR_NB_REFS.
1204         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1205         (PDR_NB_REFS): New.
1206         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1207
1208 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1209
1210         Revert one of the previous commits:
1211         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1212         the computation of symmetric data dependence relations.
1213         (dependency_between_pbbs_p): Same.
1214
1215 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1216
1217         PR middle-end/40965
1218         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1219         any transform.
1220
1221 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1222
1223         * graphite-dependences.c (pddr_original_scattering): Return NULL
1224         for read-read dependence relations.
1225         * graphite-poly.h (enum poly_dr_type): Fix comment.
1226         (pdr_read_p): New.
1227         (pdr_write_p): New.
1228         (pdr_may_write_p): New.
1229
1230 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1231
1232         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1233         (struct poly_dr): Same.
1234         (new_poly_dr): Same.
1235         * graphite-poly.c (new_poly_dr): Same.
1236
1237 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1238             Sebastian Pop  <sebastian.pop@amd.com>
1239
1240         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1241         pbb_strip_mine_time_depth.  Changed the implementation so that
1242         transformation is expressed as a transformation on
1243         time (scatttering) dimensions.  Also, ensures that the 2d+1
1244         scheduling format is preserved.
1245         (pbb_strip_mine_profitable_p): Profitability is based on the
1246         iteration number of a given time (scattering) dimension,
1247         and not on a original loop depth dimension.
1248         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1249         (pbb_do_strip_mine): Call psct_dynamic_dim.
1250         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1251         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1252         (pbb_nb_dynamic_scattering_transform): New.
1253         (psct_dynamic_dim): New.
1254
1255 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1256
1257         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1258         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1259         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1260         * graphite-interchange.c (build_linearized_memory_access): Same.
1261         (memory_stride_in_loop): Same.
1262
1263 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1264
1265         * graphite-dependences.c (pddr_original_scattering): New.
1266         (graphite_legal_transform_dr): Call pddr_original_scattering.
1267         (dot_deps_1): New.
1268         (dot_deps): New.
1269         * graphite-dependences.h (dot_deps): Declared.
1270         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1271         (print_pdr): Print PDR_ID.
1272         * graphite-poly.h (struct poly_dr): Add field id.
1273         (PDR_ID): New.
1274         (pbb_index): New.
1275         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1276
1277 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1278
1279         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1280         not delete the original dependence relation.
1281
1282 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1283
1284         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1285         the computation of symmetric data dependence relations.
1286         (dependency_between_pbbs_p): Same.
1287
1288 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1289
1290         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1291         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1292         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1293         (free_poly_ddr): New.
1294         (pddr_is_empty): New.
1295         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1296         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1297         Remove fprintfs.
1298         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1299         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1300         * graphite-dependences.h (enum poly_dependence_kind): New.
1301         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1302         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1303         (PDRP_SINK): Renamed PDDR_SINK.
1304         (PDRP_DDP): Renamed PDDR_DDP.
1305         (PDDR_KIND): New.
1306         (free_poly_ddr): Declared.
1307         * graphite-poly.c (new_scop): Use the new hash function names.
1308         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1309         into original_pddrs.
1310         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1311
1312 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1313
1314         * Merge from mainline (150764:150992).
1315
1316 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1317
1318         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1319         bounds with LT_EXPR to make niter analysis more precise on code
1320         generated by Graphite.
1321
1322 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1323
1324         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1325         (graphite_legal_transform_bb): Same.
1326         (poly_drs_may_alias_p): Same.
1327
1328 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1329
1330         PR middle-end/40981
1331         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1332         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1333
1334 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1335
1336         * graphite-poly.c (print_pbb): Print PBB index.
1337
1338 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1339
1340         * Merge from mainline (r150672:150764).
1341
1342 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1343
1344         * graphite-interchange.c (ppl_max_for_le): Moved...
1345         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1346         * graphite-ppl.c (ppl_max_for_le): ... here.
1347         * graphite-ppl.h (ppl_max_for_le): Declared.
1348
1349 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1350
1351         * Merge from mainline (r150372:150672).
1352
1353 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1354
1355         PR middle-end/40980
1356         * sese.c (convert_for_phi_arg): New.
1357         (add_guard_exit_phis): Use convert_for_phi_arg.
1358
1359         * testsuite/gfortran.dg/graphite/id-17.f: New.
1360
1361 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1362
1363         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1364         unknown subscript upper bounds.
1365
1366         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1367
1368 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1369             Pranav Garg  <pranav.garg2107@gmail.com>
1370
1371         * graphite-interchange.c (gather_access_strides): Removed.
1372         (ppl_max_for_le): New.
1373         (build_linearized_memory_access): New.
1374         (memory_stride_in_loop): New.
1375         (pbb_interchange_profitable_p): Reimplemented.
1376         * graphite-ppl.h (ppl_new_id_map): New.
1377         (ppl_interchange): New.
1378
1379         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
1380
1381 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1382
1383         * graphite-interchange.c (compute_subscript): Removed.
1384         (compute_array_size_cstr): Removed.
1385         (compute_array_size_poly): Removed.
1386         (compute_array_size): Removed.
1387         (gather_access_strides_poly): Removed.
1388         (gather_access_strides): Empty.
1389
1390 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1391
1392         * graphite-dependences.c (dependence_polyhedron_1): Replace
1393         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1394         (graphite_legal_transform_dr): Same.
1395         (graphite_carried_dependence_level_k): Same.
1396         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1397         Initialize PDR_NB_SUBSCRIPTS.
1398         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1399         PDR_NB_SUBSCRIPTS.
1400         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1401         (PDR_NB_SUBSCRIPTS): New.
1402         (pdr_nb_subscripts): Removed.
1403         (pdr_dim): Simplified.
1404         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1405         with PDR_NB_SUBSCRIPTS.
1406
1407 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1408
1409         * graphite-interchange.c (compute_array_size): Remove use of
1410         PDR_DATA_CONTAINER.
1411         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1412         Do not initialize PDR_DATA_CONTAINER.
1413         (print_pdr): Do not print PDR_DATA_CONTAINER.
1414         * graphite-poly.h (struct poly_dr): Remove data_container field.
1415         (PDR_DATA_CONTAINER): Removed.
1416         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1417         PDR_DATA_CONTAINER.
1418         (build_poly_dr): Same.
1419
1420 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1421
1422         * testsuite/gcc.dg/graphite/interchange-9.c: New.
1423
1424 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1425             Sebastian Pop  <sebastian.pop@amd.com>
1426
1427         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1428         copy of the dependence polyhedron.  Free the temporary objects.
1429         (graphite_carried_dependence_level_k): Free unused objects before
1430         returning.
1431
1432         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
1433         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
1434         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
1435         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
1436         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
1437
1438 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1439
1440         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1441         Early return without analyzing the data dependences if no
1442         transform has been done.  Call restore_scattering if the transform
1443         is not legal.
1444         (graphite-interchange.c): Same.
1445         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1446         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1447         (apply_poly_transforms): Do not gcc_assert that
1448         the transform is legal.
1449         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1450         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1451         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1452         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1453         * graphite-poly.h (struct poly_scattering): New.
1454         (struct poly_bb): Add original, transformed, and saved fields.
1455         Remove transformed_scattering, original_scattering, nb_local_variables,
1456         and nb_scattering_transform fields.
1457         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1458         (poly_scattering_new): New.
1459         (poly_scattering_free): New.
1460         (poly_scattering_copy): New.
1461         (store_scattering_pbb): New.
1462         (store_scattering): New.
1463         (restore_scattering_pbb): New.
1464         (restore_scattering): New.
1465         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1466         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1467
1468 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1469
1470         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1471         (print_scop): Same.
1472
1473 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1474
1475         * Makefile.in (graphite.o): Depends on PREDICT_H.
1476         * graphite.c: Include predict.h.
1477         (graphite_finalize): Call tree_estimate_probability.
1478         * predict.c (predict_loops): Do not call scev_initialize and
1479         scev_finalize.
1480         (tree_estimate_probability_bb): New.
1481         (tree_estimate_probability): Do not initialize loops: move that
1482         code to the driver.  Call tree_estimate_probability_bb.
1483         (tree_estimate_probability_driver): New.
1484         (pass_profile): Use tree_estimate_probability_driver.
1485         * predict.h (tree_estimate_probability): Declared.
1486
1487 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1488
1489         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1490         * graphite-dependences.c (graphite_legal_transform): Add time to
1491         TV_GRAPHITE_DATA_DEPS.
1492         (dependency_between_pbbs_p): Same.
1493         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1494
1495 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
1496
1497         * Merge from mainline (r149952:150372).
1498
1499 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1500
1501         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
1502         * graphite-blocking.c: Same.
1503         * graphite-clast-to-gimple.c: Same.
1504         * graphite-dependences.c: Same.
1505         * graphite-poly.c: Same.
1506         * graphite-poly.h: Same.
1507         * graphite-ppl.c: Same.
1508         * graphite-scop-detection.c: Same.
1509         * graphite-sese-to-poly.c: Same.
1510         * graphite.c: Same.
1511
1512 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1513
1514         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
1515         (remove_simple_copy_phi): New.
1516         (remove_invariant_phi): New.
1517         (simple_copy_phi_p): New.
1518         (reduction_phi_p): New.
1519         (gsi_for_ssa_name_def): New.
1520         (insert_out_of_ssa_copy): New.
1521         (insert_out_of_ssa_copy_on_edge): New.
1522         (create_zero_dim_array): New.
1523         (scalar_close_phi_node_p): New.
1524         (rewrite_close_phi_out_of_ssa): New.
1525         (rewrite_phi_out_of_ssa): New.
1526         (rewrite_reductions_out_of_ssa): New.
1527         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
1528
1529         * testsuite/gcc.dg/graphite/id-11.c: New.
1530         * testsuite/gcc.dg/graphite/id-15.c: New.
1531         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
1532         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
1533         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
1534         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
1535         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
1536         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
1537         * testsuite/gfortran.dg/graphite/id-13.f: New.
1538         * testsuite/gfortran.dg/graphite/id-5.f: New.
1539
1540 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1541
1542         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
1543         check that nb_reductions_in_loop is zero.
1544         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
1545         reduction phi nodes.
1546         (nb_reductions_in_loop): Removed.
1547         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
1548         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
1549         (bb_contains_non_iv_scalar_phi_nodes): Removed.
1550         (scop_contains_non_iv_scalar_phi_nodes): Removed.
1551         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
1552
1553 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1554
1555         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
1556         statements that have an empty iteration domain.
1557         * testsuite/gfortran.dg/graphite/id-16.f: New.
1558
1559 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1560
1561         * tree-scalar-evolution.c (instantiate_scev_1): Return
1562         chrec_dont_know when the result is not above instantiate_below.
1563         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
1564         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
1565         the tree has a known scalar evolution.
1566         * testsuite/gfortran.dg/graphite/id-14.f: New.
1567         * testsuite/gfortran.dg/graphite/id-15.f: New.
1568
1569 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1570
1571         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
1572         insert_gsi.
1573         (rename_variables): Keep inserting renames after the ones already
1574         inserted.
1575
1576 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1577
1578         * graphite-sese-to-poly.c (compare_bb_depths): New.
1579         (graphite_sort_dominated_info): New.
1580         (build_scop_bbs_1): Call graphite_sort_dominated_info.
1581         (build_scop_scattering): Fix comment.
1582
1583 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1584
1585         * graphite.c (graphite_finalize): Call print_loops instead of
1586         dump_function_to_file.
1587         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
1588         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
1589         loops generated in the graphite output file.
1590         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
1591         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
1592         * testsuite/gfortran.dg/graphite/id-12.f: New.
1593
1594 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1595
1596         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
1597         Remove 2 XFAIL.
1598
1599 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1600             Tobias Grosser  <grosser@fim.uni-passau.de>
1601
1602         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
1603         alias set number build alias in ACCESSES polyhedron.
1604         (build_alias_set_for_drs): New.
1605         (build_pbb_drs): Added build_alias_set_for_drs.
1606         * graphite-dependences.c (poly_drs_may_alias_p): New.
1607         (graphite_carried_dependence_level_k): Check alias information
1608         before building polyhedron.
1609
1610 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1611
1612         * Makefile.in (lambda-code.o): Fix formatting.
1613
1614 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1615
1616         * Merge from mainline (r149350-149952)
1617
1618 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1619
1620         * graphite-poly.c (apply_poly_transforms): Move strip_mine
1621         before interchange to prepare for loop blocking.
1622
1623 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1624
1625         * graphite-poly.c (apply_poly_transforms): Add checks after every
1626         transformation.
1627         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
1628         done in apply_poly_transforms.
1629
1630 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1631
1632         * graphite-dependences.c (build_lexicographically_gt_constraint):
1633         Replace RES parameter with *RES.
1634         (dependence_polyhedron_1): Pass an address of the parameter RES
1635         instead of value of RES.
1636
1637 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1638
1639         * graphite.c (graphite_finalize): Fix comment.
1640         (graphite_transform_loops): Reset scev info after code generation
1641         of each scop.
1642
1643 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1644
1645         * graphite.c (graphite_finalize): Call scev_reset.
1646
1647 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1648
1649         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
1650         GBB_CLOOG_IV_TYPES hash table twice.
1651         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
1652         (add_condition_to_domain): Clear GMP values.
1653
1654 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1655
1656         * graphite-dependences.c: Fix formatting.
1657         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
1658         (pbb_number_of_iterations): Free ppl_Linear_Expression.
1659         * graphite-sese-to-poly.c: Fix formatting.
1660         * graphite.c (graphite_transform_loops): Create the hash table
1661         after the early return.
1662
1663 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1664
1665         * testsuite/gcc.dg/graphite/id-14.c: New.
1666         * testsuite/gcc.dg/graphite/pr40157.c: New.
1667         * testsuite/gfortran.dg/graphite/id-11.f: New.
1668
1669 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1670
1671         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1672         (build_poly_scop): Return false when there are no pbbs within
1673         loops to avoid to pass to cloog scops with no loops.
1674
1675 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1676
1677         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1678         useless test "i % 2".
1679         (build_pbb_scattering_polyhedrons): Fix formatting.
1680         (build_poly_dr): Same.
1681         * graphite.c (graphite_transform_loops): Restructure.
1682
1683 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1684
1685         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1686         reduction_list parameter.
1687         (rewrite_all_phi_nodes_with_iv): Same.
1688         (canonicalize_loop_ivs): Same.
1689         * tree-parloops.c (struct brli): Removed.
1690         (build_reduction_list_info): Removed.
1691         (build_new_reduction): New.
1692         (analyze_reduction_list): Removed.
1693         (gather_scalar_reductions): Find reductions instead of phi
1694         nodes that can't be canonicalized.
1695         (try_create_reduction_list): Remove reduction_list parameter.
1696         (gen_parallel_loop): Same.
1697         (parallelize_loops): Remove analyze_reductions variable,
1698         initialization and free.
1699         Change reduction_list htab initialization to reduction_info
1700         elements instead of ssa names.
1701         Call try_create_reduction_list and gen_parallel_loop without
1702         analyzed_reduction argument.
1703         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
1704         canonicalize_loop_ivs with one less argument.
1705         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1706
1707 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1708
1709         * graphite-dependences.c (new_poly_dr_pair): New.
1710         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
1711         (new_poly_dr_pair): New.
1712         (eq_poly_dr_pair_p): New.
1713         (hash_poly_dr_pair_p): New.
1714         * graphite-dependences.h (struct poly_dr_pair): New.
1715         (eq_poly_dr_pair_p): Declared.
1716         (hash_poly_dr_pair_p): Declared.
1717         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1718         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1719         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1720         * Makefile.in (graphite-poly.o): Add dependence on
1721         graphite-dependences.h.
1722
1723 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1724
1725         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1726         polynomials of degree > 1 pass to Graphite.
1727         * tree-chrec.c (scev_is_linear_expression): Call
1728         evolution_function_is_affine_multivariate_p.
1729         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1730
1731 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1732
1733         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1734         Instantiate scevs varying in outer loops.
1735         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1736
1737 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1738
1739         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1740         redundant constraint.
1741
1742 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1743
1744         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1745         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1746         based on the file names as in the C testsuite.
1747         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1748         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1749         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1750         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1751         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1752         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1753         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1754         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1755         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1756         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1757         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1758         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1759         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1760
1761 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1762
1763         * sese.c (expand_scalar_variables_call): New.
1764         (expand_scalar_variables_ssa_name): Handle calls in expander.
1765
1766 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1767
1768         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1769         Expect to see the pattern twice.
1770         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1771         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1772         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1773
1774 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1775
1776         * testsuite/gcc.dg/graphite/id-10.c: New.
1777         * testsuite/gcc.dg/graphite/id-12.c: New.
1778         * testsuite/gfortran.dg/graphite/id-7.f: New.
1779         * testsuite/gfortran.dg/graphite/id-8.f: New.
1780
1781 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1782
1783         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1784         zero.
1785
1786 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1787
1788         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1789
1790 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1791
1792         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1793
1794 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1795
1796         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1797         building PDR subscripts.
1798
1799 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1800
1801         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1802         computation of array sizes.
1803
1804 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1805
1806         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1807
1808 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1809
1810         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1811         build_pairwise_constraint, dr_equality_constraints,
1812         build_pairwise_scheduling_equality,
1813         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1814         build_lexicographically_gt_constraint, dependence_polyhedron,
1815         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1816         Move from NNC_Polyhedron to C_Polyhedron.
1817         * graphite-interchange.c (compute_array_size_poly,
1818         gather_access_strides): Dito.
1819         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1820         free_scop, pbb_number_of_iterations): Dito.
1821         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1822         pbb_dim_iter_domain, struct scop): Dito.
1823         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1824         new_Cloog_Domain_from_ppl_Polyhedron,
1825         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1826         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1827         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1828         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1829         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1830         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1831         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1832         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1833         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1834         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1835         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1836         build_scop_iteration_domain, build_poly_dr): Dito
1837
1838 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1839
1840         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1841         run-id-*.c files.
1842         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1843
1844 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1845
1846         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1847         positivity constraint on the symbolic number of iterations.
1848
1849 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1850
1851         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1852
1853 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1854             Tobias Grosser  <grosser@fim.uni-passau.de>
1855
1856         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1857         (build_cloog_prog): Directly use SCOP_CONTEXT.
1858         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1859         (free_scop): Free SCOP_CONTEXT.
1860         (print_scop_context): New.
1861         (print_scop): Call print_scop_context.
1862         (debug_scop_context): New.
1863         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1864         (struct scop): Added field context.
1865         (SCOP_CONTEXT): New.
1866         * graphite-sese-to-poly.c (add_param_constraints): New.
1867         (build_scop_context): New.
1868         (build_poly_scop): Call build_scop_context.
1869
1870 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1871
1872         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1873         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1874         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1875         * graphite-ppl.h: Include double-int.h and tree.h.
1876         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1877         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1878         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1879         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1880
1881 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1882
1883         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1884         POINTER_PLUS_EXPR for pointer types.
1885         (clast_to_gcc_expression): Same.
1886
1887 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1888
1889         * graphite-poly.c (print_scattering_function): Early return when
1890         PBB_TRANSFORMED_SCATTERING is not initialized.
1891         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1892
1893 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1894
1895         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1896         to fix bootstrap.
1897
1898 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1899
1900         * tree-parloops.c (analyze_reduction_list): Change return
1901         value to void.
1902         (try_create_reduction_list): Move the call to
1903         analyze_reduction_list to the beginining.
1904         Call reduction_phi with analyzed_reductions as argument
1905         instead of reduction_list.
1906
1907 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1908
1909         *  Merge from mainline (r148296:149346)
1910
1911 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1912
1913         * graphite-scop-detection.c (graphite_can_represent_init): New.
1914         (graphite_can_represent_scev): Call graphite_can_represent_init:
1915         check that the initial value does not contain multiplications of
1916         parameters.
1917         (stmt_has_simple_data_refs_p): New.
1918         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1919         (is_simple_operand): Fix formatting.
1920         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1921
1922 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1923
1924         * testsuite/gcc.dg/graphite/id-13.c: New.
1925         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1926         analyze_scalar_evolution, use scalar_evolution_in_region.
1927         (scan_tree_for_params_right_scev): Add extra assert.
1928         (parameter_index_in_region_1): Split from parameter_index_in_region.
1929         (idx_record_params): Use scalar_evolution_in_region.
1930         (find_params_in_bb): Same.
1931         (find_scop_parameters): Same.
1932         (build_loop_iteration_domains): Same.
1933         (create_linear_expr_from_tree): Same.
1934         * sese.c (scalar_evolution_in_region): New.
1935         * sese.h (scalar_evolution_in_region): Declared.
1936         (defined_in_sese_p): New.
1937         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1938         static anymore.
1939         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1940         Declared.
1941
1942 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1943
1944         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1945         TREE_DATA_REF_H also implies SCEV_H.
1946
1947 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1948
1949         * graphite-poly.c (print_scop_params): New.
1950         (print_scop): Call print_scop_params.
1951         (debug_scop_params): New.
1952         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1953
1954 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1955
1956         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1957         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1958         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1959         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1960         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1961         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1962
1963 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1964
1965         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1966         for dependency checking part.
1967         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1968         tests for dependency checking.
1969         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1970         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1971         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
1972         flag -fdump-tree-graphite-all for autopar testsuites.
1973
1974 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1975
1976         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
1977         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
1978         canonicalize_loop_ivs): Moved...
1979         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
1980
1981 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1982
1983         * tree-parloops.c (try_create_reduction_list): Pass an extra
1984         argument analyzed_reductions.  Call analyze_reduction_list.
1985         (gen_parallel_loop): Do not call analyze_reduction_list.
1986         (parallelize_loops): Init and finalize analyzed_reductions.
1987
1988 2009-07-06  Li Feng  <nemokingdom@gmail.com>
1989
1990         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1991         Added flag -fno-loop-strip-mine for autopar testcase.
1992
1993 2009-07-04  Li Feng  <nemokingdom@gmail.com>
1994
1995         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
1996         transformed scattering dimension instead of unmatch orignal when
1997         calling dependence_polyhedron.
1998
1999 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2000
2001         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
2002
2003 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2004
2005         * graphite-poly.c (pbb_number_of_iterations): Check for returned
2006         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
2007
2008 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2009
2010         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
2011         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
2012         * graphite-poly.c (pbb_number_of_iterations): New.
2013         * graphite-poly.h (pbb_number_of_iterations): Declared.
2014         (pbb_iterator_dim, pbb_parameter_dim): New.
2015
2016 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
2017
2018         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
2019         last commit on type of lower and upper bound of loops.
2020
2021 2009-06-29  Li Feng  <nemokingdom@gmail.com>
2022
2023         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
2024         graphite-dependences.h.
2025         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
2026         (mark_bb_with_pbb): New.
2027         (get_stmtfor_depth): New.
2028         (find_pbb_via_hash): New.
2029         (dependency_in_loop_p): New.
2030         (mark_loops_parallel): New.
2031         (free_aux_in_new_loops): New.
2032         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
2033         bb with it's relevant pbb. Mark newly created loops.  Remove mark
2034         innermost loop parallel without checking.
2035         (gloog): Add parameter BB_PBB_MAPPING.
2036         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
2037         (gloog): Change declaration.
2038         (mark_loop_parallel): Make extern.
2039         (free_aux_in_new_loops): Declare.
2040         (bb_pbb_map_hash): New.
2041         (eq_bb_pbb_map): New.
2042         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
2043         auto parallelization when flag_graphite_force_parallel is set.
2044         (graphite_finalize): Added free_aux_in_new_loops.
2045         * tree-parloops.c (parallelize_loops): Only generate parallel code for
2046         the innermost loop that marked parallel.  Use
2047         flag_graphite_force_parallel instead of loop->can_be_parallel.
2048         (loop_parallel_p): Move inner most checking out of function.
2049
2050 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2051
2052         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
2053         type of lower and upper bound of loops signed long int.
2054
2055 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2056
2057         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
2058         expression outside the loop.
2059
2060 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2061
2062         * gcc.dg/graphite/interchange-8.c: New.
2063
2064 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2065
2066         * gcc.dg/graphite/interchange-0.c: XFailed.
2067         * gcc.dg/graphite/interchange-5.c: XFailed.
2068         * gcc.dg/graphite/interchange-6.c: XFailed.
2069
2070 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2071
2072         * graphite-interchange.c (compute_array_size_poly): The end of the
2073         recursion should return 1.
2074
2075 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2076
2077         * graphite-interchange.c (compute_array_size_cstr): Allow the
2078         subscript multiplier to be -1.
2079         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
2080         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
2081         data_container.  Initializes PDR_DATA_CONTAINER.
2082         (print_pdr_access_layout): New.
2083         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
2084         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
2085         data_container.
2086         (PDR_DATA_CONTAINER): New.
2087         (new_poly_dr): Update declaration.
2088         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
2089         (build_poly_dr): Call pdr_add_data_dimensions.
2090
2091 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2092
2093         * graphite-poly.h (struct poly_dr): Fix comment.
2094         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2095         (pdr_add_memory_accesses): New.
2096         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2097
2098 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2099
2100         * graphite-poly.c (print_pdrs, debug_pdrs): New.
2101         (print_pbb): Add call to print_pdrs.
2102         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2103
2104 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2105             Li Feng <nemokingdom@gmail.com>
2106
2107         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2108         (dependency_between_pbbs_p): New.
2109         (lexicographically_gt_p): Assure !empty_p before polyhedron
2110         intersection assign.
2111         (build_lexicographically_gt_constraint): Correct lexicographically
2112         judging.
2113         * graphite-dependences.h: New.
2114         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2115
2116 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2117
2118         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2119         (gloog): Print to dump_file the generated clast.
2120         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2121         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2122
2123 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2124
2125         * graphite-poly.c (extend_scattering): Increment
2126         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2127
2128 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2129
2130         * graphite-interchange.c (compute_array_size_poly): Added exit of
2131         recursion condition.  Continue iterating even after the first equality.
2132         (compute_array_size): Same.
2133
2134 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2135
2136         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2137         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2138         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2139         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2140         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2141
2142 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2143
2144         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2145         only when the use verifies is_gimple_reg.
2146
2147 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2148
2149         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2150         Allocate scaldims after call to unify_scattering_dimensions.
2151
2152 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2153
2154         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2155
2156 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2157             Albert Cohen  <albert.cohen@inria.fr>
2158
2159         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2160         variables for the strip mining.
2161
2162 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2163             Pranav Garg  <pranav.garg2107@gmail.com>
2164
2165         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2166         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2167         (graphite-blocking.o): New rule.
2168         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2169         * graphite-blocking.c: New.
2170         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2171         flag_loop_strip_mine.
2172         (psct_scattering_dim_for_loop_depth): New.
2173         * graphite-poly.h (scop_do_strip_mine): Declared.
2174         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2175         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2176         flag_loop_strip_mine.
2177
2178 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2179
2180         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2181         a GMP value and a PPL coefficient at each iteration of a loop.
2182
2183 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2184
2185         * graphite-dependences.c (dependence_polyhedron): Do not use
2186         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2187         pbb_nb_scattering_transform.
2188         (graphite_legal_transform_dr): Same.
2189         * graphite-poly.c (extend_scattering): Same.
2190         (unify_scattering_dimensions): Same.
2191         (print_scattering_function): Same.
2192         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2193         PBB_NB_LOCAL_VARIABLES.
2194         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2195         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2196         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2197         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2198         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2199         (pbb_nb_scattering_transform): New.
2200         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2201         (psco_scattering_dim): Add assert on parameters.
2202         (psct_scattering_dim): Same.
2203         (psct_scattering_dim_for_loop_depth): Declared.
2204         (psct_local_var_dim): New.
2205         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2206         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2207         correct layout, call pbb_nb_local_vars.
2208         (psct_add_local_variable, psct_add_scattering_dimension): New.
2209         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2210         Initialize PBB_NB_SCATTERING_TRANSFORM.
2211
2212 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2213
2214         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2215         (set_coef): Renamed ppl_set_coef.
2216         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2217
2218 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2219
2220         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2221         test a boolean against 1.
2222         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2223         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2224         (pbb_do_interchange): Returns true when a transform has been performed.
2225         (scop_do_interchange): Same.
2226         * graphite-poly.c (apply_poly_transforms): Use the return value of
2227         scop_do_interchange.
2228         * graphite-poly.h (scop_do_interchange): Update declaration.
2229
2230 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2231
2232         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2233         after last use.
2234         * sese.c (sese_reset_aux_in_loops): New.
2235         * sese.h (sese_reset_aux_in_loops): New.
2236
2237 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2238
2239         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2240         multiplier and multiply the constant by the multiplier.
2241         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2242         (build_poly_dr): Do not use the multiplier to define the subscript.
2243
2244 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2245
2246         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2247         compiler's data reference.  Initialize PDR_CDR.
2248         (print_pdr): Call dump_data_reference.
2249         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2250         Add compiler_dr field.
2251         (PDR_BB): Renamed PDR_PBB.
2252         (PDR_CDR): New.
2253         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2254         GCC's data reference representation.
2255         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2256         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2257
2258 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2259
2260         * graphite-poly.c (print_scattering_function): Also print the layout.
2261         * graphite-poly.h (pbb_nb_local_vars): New.
2262
2263 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2264
2265         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2266
2267 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2268
2269         * graphite-poly.c (print_pdr, debug_pdr): New.
2270         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2271         (PDR_BASE): Removed.
2272
2273 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2274
2275         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2276         ltrans-{1..6,8}.c.
2277
2278 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2279
2280         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2281         subscript identification column.
2282         (pbb_do_interchange): Print to dump_file that some loops "will be
2283         interchanged".  Rely on that chain of characters in the testcases.
2284         * gcc.dg/graphite/interchange-0.c: New.
2285         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2286         interchange-*.c files and compile them with -floop-interchange.
2287
2288 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2289
2290         * graphite-interchange.c (interchange_profitable_p): Renamed
2291         pbb_interchange_profitable_p.
2292
2293 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2294             Harsha Jagasia  <harsha.jagasia@amd.com>
2295             Pranav Garg  <pranav.garg2107@gmail.com>
2296
2297         * graphite-interchange.c (interchange_profitable_p): Make static.
2298         (pbb_interchange_loop_depths, pbb_do_interchange,
2299         scop_do_interchange): New.
2300         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2301         for flag_loop_interchange.
2302         * graphite-poly.h (scop_do_interchange): Declared.
2303         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2304         flag_loop_interchange is used.
2305
2306 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2307
2308         * graphite-dependences.c (dependence_polyhedron): Update use of
2309         pbb_nb_scattering_dims.
2310         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2311         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2312         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2313         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2314
2315 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2316
2317         * graphite.c: Cleanup foo.
2318
2319 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2320
2321         * Merge from mainline (r143684:148293).
2322         * Disabled libpcp until it gets fixed.
2323
2324 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2325             Harsha Jagasia  <harsha.jagasia@amd.com>
2326
2327         * graphite-interchange.c: New.
2328         * Makefile.in (graphite-interchange.o): New.
2329         * graphite-poly.h (interchange_profitable_p): Declared.
2330         * graphite-ppl.h (value_max): New.
2331
2332 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2333
2334         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2335         * graphite-poly.h: Fix some comments.
2336         (pdr_dim): New.
2337         (pdr_scop): New.
2338
2339 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2340
2341         * graphite-poly.h
2342         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2343         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2344         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2345         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2346         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2347         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2348         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2349         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2350         * graphite-clast-to-gimple.c: Same.
2351         * graphite-dependences.c: Same.
2352         * graphite-poly.c: Same.
2353         * graphite-sese-to-poly.c: Same.
2354
2355 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2356
2357         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2358         expressions for an IV rename, as returned by clast_to_gcc_expression.
2359         (copy_renames): Rename new_name to expr.
2360         * sese.c (debug_rename_elt): Same.
2361         (get_rename): Same.
2362         (set_rename): Same.
2363         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2364         the information from the rename map.
2365         (rename_variables_in_stmt): Same.
2366         (add_loop_exit_phis): Rename new_name to expr.
2367         (insert_loop_close_phis): Same.
2368         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2369         * sese.h (struct rename_map_elt): Rename new_name to expr.
2370         (new_rename_map_elt): Same.
2371
2372 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2373
2374         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2375         * sese.c (set_rename): Make it extern.
2376         * sese.h (set_rename): Declared.
2377
2378 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2379
2380         * graphite-poly.c (extend_scattering): Free values.
2381         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2382         Free iterators.
2383         (ppl_print_powerset_matrix): Same.
2384         * graphite-scop-detection.c (free_scops_1): New.
2385         (limit_scops): Call free_scops_1.
2386         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2387         (build_poly_dr): Free PPL coefficients.
2388         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2389
2390 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2391
2392         * graphite-dependences.c: New.
2393         * graphite-data-ref.c: Removed.
2394         * graphite-data-ref.h: Removed.
2395         * Makefile.in (graphite-data-ref.o): Removed.
2396         (graphite-dependences.o): Added.
2397         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2398         * graphite-poly.c: Same.
2399         Move the data dependence testing to graphite-dependences.c.
2400
2401 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2402
2403         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2404         from graphite_cannot_represent_loop. Code refactored.
2405         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2406
2407 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2408
2409         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2410         Cover all the testcases (not only the filtered ones).
2411
2412 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2413
2414         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2415         unnecessary check. Update comments. Move check for REAL_TYPE here.
2416         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2417         done in (stmt_simple_for_scop_p).
2418
2419 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2420
2421         * graphite.c (print_global_statistics): New.
2422         (print_graphite_scop_statistic): New.
2423         (print_graphite_statistics): New.
2424         (graphite_initialize, graphite_transform_loops): Print statistics.
2425         * graphite-scop-detection (build_scops): Print statistics.
2426         (print_graphite_scop_statistics): New.
2427         (print_graphite_statistics): New.
2428
2429 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2430
2431         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2432         (debug_clast_name_index): Removed.
2433         (debug_clast_name_indexes_1): Removed.
2434         (debug_clast_name_indexes): Removed.
2435         (clast_name_index_elt_info): Removed.
2436         (eq_clast_name_indexes): Removed.
2437         (clast_name_to_index): Removed.
2438         (new_clast_name_index): Removed.
2439         (save_clast_name_index): Removed.
2440         (save_var_name): Moved...
2441         (init_sese_params_index): Removed.
2442         (clast_name_to_gcc): Remove use of name_tree.
2443         (initialize_cloog_names): Same.
2444         (gloog): Do not call init_sese_params_index.
2445         * graphite-sese-to-poly.c (save_var_name): ...here.
2446         (parameter_index_in_region): New.
2447         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2448         (parameter_index_in_region): Removed.
2449         (is_parameter): Remove use of name_tree.
2450         * sese.h (struct name_tree): Removed.
2451         (struct sese): Remove use of name_tree.  New field params_names.
2452         (SESE_PARAMS_NAMES): New.
2453         (SESE_PARAMS): Remove duplicate.
2454         (parameter_index_in_region): Removed.
2455         (sese_nb_params): Remove use of name_tree.
2456         (struct clast_name_index): New.
2457         (new_clast_name_index): New.
2458         (clast_name_to_index): New.
2459         (save_clast_name_index): New.
2460         (debug_clast_name_index): New.
2461         (debug_clast_name_indexes_1): New.
2462         (debug_clast_name_indexes): New.
2463         (clast_name_index_elt_info): New.
2464         (eq_clast_name_indexes): New.
2465
2466 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2467
2468         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
2469         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
2470         (graphite_loop_normal_form): Do not pass region.  Do not
2471         initialize SESE_OLDIVS.
2472         (build_graphite_loop_normal_form): Update call to
2473         graphite_loop_normal_form.
2474         * sese.c (debug_oldivs): Removed.
2475         (new_sese): Do not initialize SESE_OLDIVS.
2476         (free_sese): Do not free SESE_OLDIVS.
2477         (oldiv_for_loop): Removed.
2478         * sese.h (struct sese): Remove old_ivs.
2479         (SESE_OLDIVS): Removed.
2480         (oldiv_for_loop): Removed.
2481
2482 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2483
2484         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
2485         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
2486         replaced by a call to newivs_to_depth_to_newiv.
2487         (clast_to_gcc_expression): Pass newivs, remove ivstack.
2488         (clast_to_gcc_expression_red): Same.
2489         (gcc_type_for_clast_expr): Same.
2490         (gcc_type_for_clast_eq): Same.
2491         (graphite_translate_clast_equation): Same.
2492         (graphite_create_guard_cond_expr): Same.
2493         (graphite_create_new_guard): Same.
2494         (graphite_create_new_loop): Same.
2495         (build_iv_mapping): Same.
2496         (translate_clast): Same.
2497         (gloog): Same.
2498         (loop_iv_stack_patch_for_consts): Removed.  *
2499         sese.c (iv_stack_entry_is_constant): Removed.
2500         (iv_stack_entry_is_iv): Removed.
2501         (loop_iv_stack_push_iv): Removed.
2502         (loop_iv_stack_insert_constant): Removed.
2503         (loop_iv_stack_pop): Removed.
2504         (loop_iv_stack_get_iv): Removed.
2505         (loop_iv_stack_get_iv_from_name): Removed.
2506         (debug_loop_iv_stack): Removed.
2507         (free_loop_iv_stack): Removed.
2508         (loop_iv_stack_remove_constants): Removed.  *
2509         sese.h (iv_stack_entry_kind): Removed.
2510         (iv_stack_entry_data_union): Removed.
2511         (iv_stack_entry_struct): Removed.
2512         (iv_stack_entry_p): Removed.
2513         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
2514         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
2515         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
2516         loop_iv_stack_pop, free_loop_iv_stack): Removed.
2517         (gbb_loop_at_index): Fix indenting.
2518         (gbb_loop_index): Removed.
2519
2520 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2521
2522         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
2523         Call clast_name_to_index.
2524
2525 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2526
2527         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
2528         do not pass params.  Get params from SESE_PARAMS.
2529         (clast_to_gcc_expression): Same.
2530         (clast_to_gcc_expression_red): Same.
2531         (gcc_type_for_clast_eq): Same.
2532         (graphite_translate_clast_equation): Same.
2533         (graphite_create_new_loop): Same.
2534         * sese.c (rename_variables_in_stmt): Fix comment.
2535
2536 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2537
2538         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
2539         newivs_index.
2540         Call save_clast_name_index.
2541         (translate_clast): Pass newivs_index.
2542         (gloog): Create and free newivs_index.
2543
2544 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2545
2546         * graphite-clast-to-gimple.c (clast_name_index): New structure.
2547         (clast_name_index_p): New type.
2548         (debug_clast_name_index): New.
2549         (debug_clast_name_indexes_1): New.
2550         (debug_clast_name_indexes): New.
2551         (clast_name_index_elt_info): New.
2552         (eq_clast_name_indexes): New.
2553         (clast_name_to_index): New.
2554         (new_clast_name_index): New.
2555         (save_clast_name_index): New.
2556         (init_sese_params_index): New.
2557         (gloog): Call init_sese_params_index.
2558         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
2559         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
2560         (free_sese): Free SESE_PARAMS_INDEX.
2561         * sese.h (struct sese): Add params_index.
2562         (SESE_PARAMS_INDEX): New.
2563
2564 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2565
2566         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
2567         (graphite_create_new_loop): Pass the newivs vector.  Push the
2568         newly created IV to newivs.
2569         (translate_clast): Pass the newivs vector.
2570         (gloog): Create and destroy the newivs vector.
2571
2572 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2573
2574         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
2575         (graphite_loop_normal_form): Initialize loop->aux with the unique
2576         IV that has been created.
2577
2578 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
2579
2580         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
2581         scev with parameters in the base part. They where forbidden
2582         exidently.
2583
2584 2009-05-11  Li Feng  <nemokingdom@gmail.com>
2585
2586         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
2587         compile options by file names.
2588         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
2589         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
2590         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
2591         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
2592
2593 2009-05-08  Li Feng <nemokingdom@gmail.com>
2594
2595         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
2596         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
2597         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
2598         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
2599
2600 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2601
2602         * graphite-scop-detection (build_scops_1): Fix little bug introduced
2603         by final cleanup.
2604
2605 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2606
2607         * graphite-scop-detection.c (graphite_can_represent_scev): Only
2608         allow integer constant strides.
2609         (graphite_can_represent_expr): Depend on outermost_loop.
2610         (stmt_simple_memref_p, graphite_cannot_represent_loop,
2611         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
2612         build_scops_1): Same.
2613         (scopdet_basic_block_info): Same and insert layered SCoP
2614         detection.
2615         (try_generate_gimple_bb): Cleanup.
2616         (build_scops): Enable data references.
2617
2618         * testsuite/gcc.dg/graphite/id-5.c: New.
2619         * testsuite/gcc.dg/graphite/id-9.c: New.
2620         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2621         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
2622
2623 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2624
2625         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
2626         that we have not yet built for this SCoP.
2627
2628 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2629
2630         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
2631         for complex numbers.
2632
2633 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2634
2635         * graphite-ppl.c: Fix build if cloog is not available.
2636
2637 2009-05-04  Li Feng  <nemokingdom@gmail.com>
2638
2639         * tree-parloops.c (loop_parallel_p): Remove construction of
2640         NITER and REDUCTION_LIST.
2641         (try_get_loop_niter): New.
2642         (try_create_reduction_list): New.
2643         (parallelize_loops): Bypass the failed checkings in autopar
2644         when can_be_parallel in loop structure is set to true.
2645
2646 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2647
2648         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
2649         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
2650
2651 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2652
2653         * graphite-scop-detection.c (stmt_simple_for_scop_p):
2654         Enable EQ_EXPR and NE_EXPR again.
2655
2656 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2657
2658         * graphite-scop-detection.c (graphite_can_represent_scev):
2659         Add check if scev is affine multivariate.
2660         (harmful_stmt_in_bb): Check if we can represent the conditions.
2661         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
2662         harmful_stmt_in_bb.
2663         * testsuite/gcc.dg/graphite/id-7.c: New.
2664
2665 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2666
2667         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2668         Check all bbs in region, not only the bbs that are represented in
2669         GRAPHITE.
2670         (build_poly_scop): Add newline.
2671         * testsuite/gcc.dg/graphite/id-8.c: New.
2672
2673 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2674
2675         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2676         when loop initialize.
2677         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2678         * common.opt: Declare flag_graphite_force_parallel.
2679         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2680         loop parallel.
2681         * graphite-poly.c (apply_poly_transforms): Introduce
2682         flag_graphite_force_parallel.
2683         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2684         * toplev.c (process_options): ditto and replace a not correctly
2685         encoded space.
2686
2687 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2688
2689         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
2690         Change the call of gbb_loop_at_index and/or gbb_loop_index due
2691         to the redefinition.
2692         (compute_cloog_iv_types_1): ditto.
2693         (build_iv_mapping): ditto.
2694         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
2695         initialization.
2696         (free_gimple_bb): Removed GBB_LOOPS related free part.
2697         (build_bb_loops): Removed.
2698         * sese.h (struct gimple_bb): Removed loops.
2699         (GBB_LOOPS): Removed.
2700         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
2701         (gbb_loop_index): ditto.
2702
2703 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2704
2705         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
2706         allow non constant strides.
2707         * testsuite/gcc.dg/graphite/scop-20.c: New.
2708
2709 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2710
2711         * graphite-scop-detection.c (dot_all_scops): Fix system call
2712         return value warning.
2713         (dot_scop): Same.
2714
2715 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2716
2717         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2718         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2719
2720 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2721
2722         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2723         build_pairwise_constraint, dr_equality_constraints,
2724         build_pairwise_scheduling_equality,
2725         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2726         build_lexicographically_gt_constraint, dependence_polyhedron,
2727         graphite_legal_transform_dr, graphite_legal_transform_bb,
2728         graphite_legal_transform): New.
2729         * graphite-poly.h (graphite_legal_transform): Declared.
2730         * graphite-sese-to-poly.c (build_poly_scop): Call to
2731         graphite_legal_transform is disabled for the moment.
2732
2733 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2734
2735         * graphite-poly.h (pbb_nb_scattering_dims): New.
2736         (pbb_nb_scattering): Use it.
2737
2738 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2739
2740         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2741         Pointset_Powerset version of ppl_insert_dimensions.
2742         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2743
2744 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2745
2746         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2747
2748 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2749
2750         * graphite-poly.h: Fix comment.
2751
2752 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2753
2754         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2755
2756 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2757
2758         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2759         statements.
2760
2761 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2762
2763         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2764         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2765         conditions.
2766
2767 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2768
2769         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2770         handle EQ_EXPR and NE_EXPR.
2771
2772 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2773
2774         * graphite-poly.h (poly_dr): Fix comment.
2775
2776 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2777             Tobias Grosser  <grosser@fim.uni-passau.de>
2778
2779         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2780         with a zero dimension polyhedron.
2781         (find_scop_parameters): Move the call to scop_set_nb_params here.
2782         (build_loop_iteration_domains): Store in loop->aux the iteration
2783         domain polyhedron.
2784         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2785         by any loop in scop.
2786         (build_poly_scop): Do not call scop_set_nb_params.
2787
2788 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2789             Tobias Grosser  <grosser@fim.uni-passau.de>
2790
2791         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2792         add_condition_to_domain not GT_EXPR.
2793
2794 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2795
2796         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2797         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2798         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2799         upper_bound_assign to calculate unions.
2800         * testsuite/gcc.dg/graphite/id-6.c: New.
2801
2802 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2803
2804         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2805         handle abnormal edges.
2806
2807 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2808
2809         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2810         (free_poly_bb): Also free poly_drs.
2811         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2812         (poly_dr): Polyhedron to Pointset_Powerset.
2813         (pdr_accessp_nb_subscripts): Same.
2814         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2815         poly_drs.
2816
2817 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2818
2819         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2820         names into more meaningful names.
2821
2822 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2823
2824         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2825         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2826
2827 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2828
2829         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2830         the reduction_list.
2831         * tree-parloops.c (rewrite_phi_with_iv): New.
2832         (rewrite_all_phi_nodes_with_iv): New.
2833         (canonicalize_loop_ivs): Call them.
2834
2835 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2836
2837         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2838         graphite_find_data_references_in_stmt.
2839         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2840         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2841
2842 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2843
2844         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2845
2846 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2847
2848         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2849         instead of bb_in_region.
2850         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2851         (build_sese_conditions): Use flag_bb_in_sese.
2852         * sese.c (register_bb_in_sese): Removed.
2853         (new_sese): Remove initialization of SESE_REGION_BBS.
2854         (free_sese): Do not free SESE_REGION_BBS.
2855         * sese.h (struct sese): Remove field region_basic_blocks.
2856         (SESE_REGION_BBS): Removed.
2857         (bb_in_sese_p): Implement in function of bb_in_region.
2858
2859 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2860
2861         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2862         loops.
2863
2864 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2865
2866         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2867         and EQ_EXPR.
2868         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2869         (add_condition_to_domain): New.
2870         (add_condition_to_pbb): New.
2871         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2872         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2873
2874 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2875
2876         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2877         ppl_Pointset_Powerset.
2878         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2879         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2880         (pbb_nb_loops): Same.
2881         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2882         add_conditions_to_domain): Same.
2883         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2884         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2885         ppl_const_Polyhedron_t.
2886         (ppl_print_powerset_matrix): New.
2887         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2888         ppl_print_powerset_matrix): New.
2889         (ppl_print_polyhedron_matrix): Updated.
2890
2891 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2892
2893         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2894
2895 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2896
2897         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2898         (print_iteration_domains, debug_iteration_domain,
2899         debug_iteration_domains): New.
2900         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2901         debug_iteration_domains): Declared.
2902         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2903         indenting.
2904
2905 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2906             Sebastian Pop  <sebastian.pop@amd.com>
2907
2908         * graphite-poly.h (print_iteration_domain): New.
2909         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2910         (build_sese_conditions_1, build_sese_conditions_after,
2911         build_sese_conditions_before): New.
2912         (build_sese_conditions): Rewritten.
2913
2914 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2915             Tobias Grosser  <grosser@fim.uni-passau.de>
2916
2917         Cleanup of code generation liveouts.
2918         * graphite-clast-to-gimple.c (translate_clast): Use a single
2919         rename_map instead of one per translated statement.
2920         Do not use SESE_LIVEOUT_RENAMES.
2921         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2922         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2923         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2924         phi node of a reduction: when a loop contains a reduction used outside
2925         the loop, there should be a scalar close phi node on the exit block.
2926         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2927         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2928         (free_sese): Do not free them.
2929         (sese_build_liveouts_use): Do not use them.
2930         (sese_build_liveouts_bb): Same.
2931         (sese_build_liveouts): Same.
2932         (sese_insert_phis_for_liveouts): Same.
2933         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2934         (defined_in_loop_p): New.
2935         (alive_after_loop): New.
2936         (close_phi_not_yet_inserted_p): New.
2937         (struct alep, alep_p): New.
2938         (add_loop_exit_phis): Remove from the rename_map all the names defined
2939         in the code generated loop.
2940         (insert_loop_close_phis): Traverse the rename_map passed to it.
2941         Don't use SESE_LIVEOUT_RENAMES.
2942         (default_liveout_before_guard): Renamed default_before_guard.
2943         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2944         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2945         (register_sese_liveout_renames): Removed.
2946         (copy_bb_and_scalar_dependences): Do not call it.
2947         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2948         reduction_list.
2949         (SESE_LIVEOUT): Removed.
2950         (SESE_LIVEOUT_RENAMES): Removed.
2951         (SESE_REDUCTION_LIST): Removed.
2952         (sese_build_liveouts): Removed.
2953         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2954         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2955         (insert_guard_phis): Same.
2956         (rename_map_elt): Declare a VEC of them.
2957         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2958         trees not pointers to trees.
2959
2960         Rewrite in canonical close SSA form:
2961         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2962         (limit_scops): Close the scop after the block containing the close phi
2963         nodes.
2964         (canonicalize_loop_closed_ssa): New.
2965         (canonicalize_loop_closed_ssa_form): New.
2966         (build_scops): Call canonicalize_loop_closed_ssa_form.
2967
2968         * graphite-sese-to-poly.c: Fix typos.
2969
2970 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2971
2972         * graphite-poly.c (print_scattering_function, print_pbb_domain):
2973         Extended.
2974         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
2975         (print_pbb): Add conditions.
2976
2977 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2978             Sebastian Pop  <sebastian.pop@amd.com>
2979
2980         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
2981         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
2982         (build_scop_bbs_1): New.
2983         (build_scop_bbs): Rewrite.
2984         * sese.h (bb_in_region): New.
2985
2986 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2987
2988         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2989         poly_drs vector.
2990         (print_scop): Style.
2991         * graphite-poly.h (poly_bb): Add drs vector.
2992         (PBB_DRS): Add accessor.
2993         * graphite-sese-to-poly.c (build_poly_dr): New.
2994         (build_pbb_drs, build_scop_drs): New.
2995         (build_poly_scop): call build_scop_drs (Disabled at the moment).
2996
2997 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2998
2999         * tree-ssa-loop.c: Include forgotten toplev.h
3000
3001 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3002
3003         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
3004         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
3005         * testsuite/gcc.dg/graphite/pr37928.c: Same
3006         * testsuite/gcc.dg/graphite/pr38409.c: Same
3007         * testsuite/gcc.dg/graphite/pr38498.c: Same
3008         * testsuite/gcc.dg/graphite/pr38559.c: Same
3009         * testsuite/gcc.dg/graphite/pr39335.c: Same
3010         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
3011         * testsuite/gfortran.dg/graphite/block-2.f: Same
3012         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
3013         with -floop-*.
3014
3015 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
3016
3017         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
3018         build_access_matrix, build_scop_data_accesses): Remove access function
3019         building. (We get a new version soon).
3020         (build_bb_loops, scan_tree_for_params_right_scev): Update.
3021         * sese.h (nb_loops_around_loop_in_sese): Remove.
3022         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
3023
3024 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
3025             Sebastian Pop  <sebastian.pop@amd.com>
3026
3027         * graphite-scop-detection.c (struct scopdet_info): Rename last
3028         field to exit.
3029         (scopdet_basic_block_info, build_scops_1): Don't use
3030         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
3031
3032 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
3033             Sebastian Pop  <sebastian.pop@amd.com>
3034
3035         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
3036         * sese.c (sese_build_liveouts_use): Renamed from
3037         sese_build_livein_liveouts_use. Remove liveins.
3038         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
3039         Call sese_build_liveouts_use.
3040         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
3041         Call sese_build_liveouts_bb.
3042         (new_sese, free_sese): Remove liveins.
3043         (sese_add_exit_phis_var): Deleted.
3044         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
3045         directly.
3046         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
3047
3048         * sese.h (sese): Remove num_ver and livein.
3049         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
3050
3051 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3052
3053         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
3054
3055 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3056
3057         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
3058         (build_scop_scattering): Do not use compare_prefix_loops any more.
3059         (nb_common_loops): New.
3060
3061 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3062
3063         * sese.c (get_new_name_from_old_name): Renamed get_rename.
3064         (register_old_and_new_names): Renamed set_rename.
3065
3066 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3067
3068         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
3069         of the decl from the previous commit.
3070
3071 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3072
3073         * graphite-scop-detection.c (dot_scop): New.
3074         * graphite-scop-detection.h (dot_scop): Declared.
3075
3076 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3077
3078         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
3079
3080 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3081
3082         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
3083         condition at the end of the loop.
3084         * graphite.c (graphite_initialize, graphite_finalize): Print to
3085         dump_file the compiled function.
3086         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
3087         of create_empty_loop_on_edge.
3088         (translate_clast): Update the code generation of loops for the new
3089         shape of loops.
3090         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
3091
3092 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3093
3094         Reverted the patch from 2009-03-19.
3095
3096 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3097
3098         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3099         poly_drs vector.
3100         (print_scop): Style.
3101         * graphite-poly.h (poly_bb): Add drs vector.
3102         (PBB_DRS): Add accessor.
3103         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
3104         (build_access_matrix_with_af, build_access_matrix,
3105         build_scop_data_accesses): Delete.
3106         (build_poly_dr): New.
3107         (build_pbb_drs, build_scop_drs): New.
3108         (build_poly_scop): call build_scop_drs.
3109
3110 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3111
3112         * graphite-scop-detection.c (dot_all_scops_1): Close the table
3113         once per basic block.
3114
3115 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3116
3117         * graphite-scop-detection.c (graphite_can_represent_scev): New.
3118         (graphite_can_represent_expr): Renamed from loop_affine_expr
3119         and enhanced.
3120         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
3121         (graphite_cannot_represent_loop): Add scop_entry to parameters.
3122         (scopdet_basic_block_info): Actually define entry_block.
3123         (stmt_simple_memref_p): Moved here from ...
3124
3125         * tree-data-ref.c (stmt_simple_memref_p): here.
3126         * tree-data-ref.h (stmt_simple_memref_p): Removed.
3127
3128 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3129
3130         * testsuite/gcc.dg/graphite/id-4.c: New.
3131
3132 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3133
3134         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3135         (register_old_and_new_names): Update the content of the map.
3136         When there was already a rename_map_elt in the map at that
3137         location, free it.
3138         (copy_bb_and_scalar_dependences): Do rename_variables after
3139         expand_scalar_variables.
3140         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3141         of the map.  When there was already a rename_map_elt in the
3142         map at that location, free it.
3143         (translate_clast): Pass the rename_map.  Do not initialize and free
3144         a rename_map per stmt_user.
3145         (gloog): Initialize and free one rename_map and pass it to
3146         translate_clast.
3147
3148 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3149
3150         * sese.c (expand_scalar_variables_stmt,
3151         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
3152         parameter.
3153         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
3154         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
3155         the gimple_stmt_iterator of the statement to be expanded.
3156         * graphite-scop-detection.c (is_simple_operand): Do handle
3157         REALPART_EXPR.
3158
3159 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3160
3161         * graphite-scop-detection.c (is_simple_operand): Do not handle
3162         REALPART_EXPR.
3163         * testsuite/gcc.dg/graphite/id-2.c: New.
3164
3165         * graphite-sese-to-poly.c (build_bb_loops,
3166         add_value_to_dim, scan_tree_for_params_right_scev,
3167         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
3168         find_params_in_bb, build_loop_iteration_domains,
3169         add_conditions_to_domain): Remove subtract.
3170
3171 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3172
3173         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
3174         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
3175         pbb_loop_at_index -> gbb_loop_at_index.
3176         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
3177         (debug_loop_vec): Delete.
3178         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
3179         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
3180         (PBB_LOOPS): Removed.
3181         (PBB_BLACK_BOX): Insert cast.
3182         (pbb_set_black_box): New setter.
3183         (pbb_loop_at_index, pbb_loop_index): Removed.
3184         (scop_set_region, scop_set_nb_params): New.
3185         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
3186         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
3187         (build_poly_scop): Use scop_set_nb_params.
3188         * sese.h (gimple_bb): Add LOOPS.
3189         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
3190
3191 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3192
3193         Revert previous commit.
3194
3195 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3196
3197         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3198         (register_old_and_new_names): Update the content of the map.
3199         When there was already a rename_map_elt in the map at that
3200         location, free it.
3201         (copy_bb_and_scalar_dependences): Do rename_variables after
3202         expand_scalar_variables.
3203         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3204         of the map.  When there was already a rename_map_elt in the
3205         map at that location, free it.
3206         (translate_clast): Pass the rename_map.  Do not initialize and free
3207         a rename_map per stmt_user.
3208         (gloog): Initialize and free one rename_map and pass it to
3209         translate_clast.
3210
3211 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3212
3213         Remove forgotten line in revert.
3214
3215 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3216
3217         Revert previous commit.
3218
3219 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3220
3221         * sese.c (register_old_and_new_names): Update the content
3222         of the map.  When there was already a rename_map_elt in the
3223         map at that location, free it.
3224         (copy_bb_and_scalar_dependences): Do rename_variables after
3225         expand_scalar_variables.
3226         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3227         of the map.  When there was already a rename_map_elt in the
3228         map at that location, free it.
3229         (translate_clast): Pass the rename_map.  Do not initialize and free
3230         a rename_map per stmt_user.
3231         (gloog): Initialize and free one rename_map and pass it to
3232         translate_clast.
3233
3234 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3235
3236         * graphite-clast-to-gimple.c (translate_clast): context_loop
3237         is never NULL.
3238
3239 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3240             Sebastian Pop  <sebastian.pop@amd.com>
3241
3242         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
3243         of the use of ppl_Polyhedron_map_space_dimensions.
3244
3245 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3246             Sebastian Pop  <sebastian.pop@amd.com>
3247
3248         * graphite-poly.c (unify_scattering_dimensions): Fix types.
3249         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
3250         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
3251         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
3252         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
3253         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
3254         pbb_nb_params): New.
3255         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
3256         nb_loops_around_pbb): Adapt return types.
3257
3258 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3259
3260         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3261         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3262         graphite-scop-detection.o, graphite-poly.o): Add
3263         more headers.
3264
3265 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3266
3267         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3268         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3269         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
3270
3271 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3272
3273         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
3274         * testsuite/gcc.dg/graphite/pr37828.c: Same.
3275         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3276         * testsuite/gcc.dg/graphite/block-0.c: Same.
3277         * testsuite/gcc.dg/graphite/block-1.c: Same.
3278         * testsuite/gcc.dg/graphite/block-2.c: Same.
3279         * testsuite/gcc.dg/graphite/block-3.c: Same.
3280         * testsuite/gcc.dg/graphite/block-4.c: Same.
3281         * testsuite/gcc.dg/graphite/block-5.c: Same.
3282         * testsuite/gcc.dg/graphite/block-6.c: Same.
3283         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
3284         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3285         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
3286         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
3287         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
3288         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
3289         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
3290         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
3291         * opts.c: Remove -floop-block from -O2.
3292         * graphite-poly.c: Fail if -floop-block -floop-interchange or
3293         -floop-strip-mine are used.
3294
3295 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3296             Sebastian Pop  <sebastian.pop@amd.com>
3297
3298         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
3299         dimensions.
3300         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
3301         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
3302         strip_mine_profitable_p, is_interchange_valid,
3303         graphite_trans_bb_block, graphite_trans_loop_block,
3304         graphite_trans_scop_block): Temporary removed.
3305         (extend_scattering, unify_scattering_dimensions): New.
3306         (print_scattering_function, graphite_read_transforms):
3307         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3308         (graphite_generate_scattering_fns): Removed.
3309         (apply_poly_transforms): Cleanup.
3310         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3311         (schedule_to_scattering): Moved.
3312         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
3313         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
3314         (pbb_nb_scattering): New.
3315         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3316         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
3317         Removed.
3318         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
3319         shift_poly.
3320         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3321         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
3322         -> PBB_TRANSFORMED_SCATTERING.
3323         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
3324         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
3325         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
3326         (check_poly_representation): Do not return bool.
3327         (graphite_transform_loops): Reformat.
3328         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
3329
3330 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
3331
3332         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
3333         debug_pbb_domain, debug_pbb, debug_scop): New.
3334         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
3335         debug_pbb_domain, debug_pbb, debug_scop): Declared.
3336
3337 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3338
3339         PR middle-end/39335
3340         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3341         when the type precision of the induction variable should be
3342         larger than the type precision of nit.
3343         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3344         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
3345         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3346
3347         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
3348         * testsuite/gcc.dg/graphite/pr39335.c: New.
3349
3350 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3351
3352         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3353         SSA_NAMES not struct reduction_info.
3354
3355 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3356
3357         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
3358
3359 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3360             Tobias Grosser  <grosser@fim.uni-passau.de>
3361
3362         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
3363         (free_sese): Free SESE_REDUCTION_LIST.
3364         * sese.h (struct sese): Add field reduction_list.
3365         (SESE_REDUCTION_LIST): New.
3366         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
3367         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
3368
3369 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3370             Tobias Grosser  <grosser@fim.uni-passau.de>
3371
3372         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
3373         of loop_p.
3374
3375 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3376             Tobias Grosser  <grosser@fim.uni-passau.de>
3377
3378         * tree-parloops.c (struct brli, build_reduction_list_info,
3379         analyze_reduction_list, gather_scalar_reductions): New.
3380         (loop_parallel_p): Build a reduction list containing only
3381         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
3382         (gen_parallel_loop): Call the analysis analyze_reduction_list.
3383         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
3384         * tree-flow.h (gather_scalar_reductions): Declared.
3385
3386 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
3387
3388         PR middle-end/39308
3389         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
3390         number_of_iterations_exit from a gcc_assert.
3391
3392 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
3393             Jan Sjodin  <jan.sjodin@amd.com>
3394
3395         * output.h (graphite_out_file, graphite_in_file): Declared.
3396         * toplev.c (graphite_out_file, graphite_in_file): New.
3397         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
3398         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
3399         Don't call schedule_to_scattering.
3400         * common.opt (fgraphite-write, fgraphite-read): New.
3401         * graphite-poly.c: Include output.h.
3402         (print_scattering_function, print_scattering_functions,
3403         debug_scattering_function, debug_scattering_functions,
3404         graphite_write_transforms, graphite_read_transforms,
3405         graphite_generate_scattering_fns): New.
3406         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
3407         Call graphite_generate_scattering_fns, graphite_write_transforms,
3408         graphite_read_transforms.
3409         (new_poly_bb): Initialize PBB_SCATTERING.
3410         (free_poly_bb): Free PBB_SCATTERING.
3411         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
3412         * graphite-poly.h (struct poly_bb): Add field scattering.
3413         (PBB_SCATTERING): New.
3414         (print_scattering_function, print_scattering_functions,
3415         debug_scattering_function, debug_scattering_functions): Declared.
3416         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
3417         GMP values, not integers!
3418         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
3419         ppl_read_polyhedron_matrix): New.
3420         * graphite-ppl.h (ppl_print_polyhedron_matrix,
3421         debug_ppl_polyhedron_matrix,
3422         ppl_read_polyhedron_matrix): Declared.
3423         * Makefile.in (graphite-poly.o): Depends on output.h.
3424
3425 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3426             Tobias Grosser  <grosser@fim.uni-passau.de>
3427
3428         Revert this change:
3429         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3430         scalar evolutions in the scop_entry->loop_father.
3431
3432 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3433             Tobias Grosser  <grosser@fim.uni-passau.de>
3434
3435         * graphite.h (ref_nb_loops): Remove declaration.
3436         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
3437         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
3438         debug_gbb): Moved to sese.h.
3439         * sese.h: As said.
3440
3441 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3442             Tobias Grosser  <grosser@fim.uni-passau.de>
3443
3444         * graphite-data-ref.[ch]: Disable.
3445
3446 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3447             Tobias Grosser  <grosser@fim.uni-passau.de>
3448
3449         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3450         scalar evolutions in the scop_entry->loop_father.
3451
3452 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3453
3454         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
3455         (graphite_cannot_represent_loop_niter): Renamed
3456         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
3457         (limit_scops): build_sese_loop_nests does not return a bool.
3458         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
3459         * sese.c (nb_reductions_in_loop): ... from here.
3460         (graphite_loop_normal_form): ... from here.
3461         (sese_record_loop): Does not fail, so does not return a bool.
3462         (build_sese_loop_nests): Same.
3463         * sese.h (build_sese_loop_nests): Update declaration.
3464         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
3465         (build_graphite_loop_normal_form): New.
3466         (gloog): Call build_graphite_loop_normal_form.
3467         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
3468         build_sese_loop_nests.
3469
3470         * testsuite/gcc.dg/graphite/id-1.c: New.
3471
3472 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3473             Tobias Grosser  <grosser@fim.uni-passau.de>
3474
3475         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
3476         The SCoP detection fix is sufficient.
3477
3478 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3479
3480         PR tree-optimization/39260
3481         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
3482         the basic block contains a condition with a real type.
3483         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
3484
3485         * gcc.dg/graphite/pr39260.c: New.
3486
3487 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3488
3489         * graphite-poly.c: Inlcude params.h.
3490         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
3491         the size of a tile.
3492         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
3493         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
3494
3495 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3496             Tobias Grosser  <grosser@fim.uni-passau.de>
3497
3498         * graphite-scop-detection.c (dot_all_scops_1,
3499         dot_all_scops): Moved here.
3500         * graphite-scop-detection.h (dot_all_scops): Declared here.
3501         * graphite.c (graphite_initialize, graphite_finalize): New.
3502         (graphite_transform_loops): Cleaned up.
3503         * sese.c (debug_oldivs): Moved here.
3504         * graphite-poly.c (graphite_apply_transformations): Renamed
3505         apply_poly_transforms.
3506         (debug_loop_vec): Moved here.
3507         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
3508         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
3509         find_scop_parameters, build_scop_iteration_domain,
3510         add_conditions_to_constraints, build_scop_canonical_schedules,
3511         build_scop_data_accesses): Now static.
3512         (build_poly_scop, check_poly_representation): New.
3513
3514 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3515
3516         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
3517         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
3518         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
3519         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
3520         scan_tree_for_params_right_scev, scan_tree_for_params_int,
3521         scan_tree_for_params, struct irp_data, dx_record_params,
3522         find_params_in_bb, find_scop_parameters, gbb_from_bb,
3523         build_loop_iteration_domains, add_conditions_to_domain,
3524         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
3525         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
3526         build_sese_conditions, add_conditions_to_constraints,
3527         build_scop_iteration_domain, build_access_matrix_with_af,
3528         build_access_matrix,
3529         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
3530
3531         * graphite-sese-to-poly.c: New.
3532         * graphite-sese-to-poly.h: New.
3533
3534         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
3535
3536 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3537
3538         * graphite.c: Split graphite code generation to a new file.
3539         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
3540         max_precision_type, clast_to_gcc_expression_red,
3541         clast_to_gcc_expression, gcc_type_for_clast_expr,
3542         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
3543         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
3544         graphite_create_new_guard, clast_get_body_of_loop,
3545         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
3546         graphite_create_new_loop, build_iv_mapping, copy_renames,
3547         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3548         compute_cloog_iv_types, free_scattering, save_var_name,
3549         initialize_cloog_names, build_scop_context, build_cloog_prog,
3550         set_cloog_options, debug_clast_stmt, scop_to_clast,
3551         print_generated_program, debug_generated_program,
3552         gloog): Moved to graphite-clast-to-gimple.c.
3553
3554         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
3555
3556         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
3557         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
3558         loop_iv_stack_pop, loop_iv_stack_get_iv,
3559         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
3560         free_loop_iv_stack, loop_iv_stack_remove_constants,
3561         debug_rename_elt, debug_rename_map_1, debug_rename_map,
3562         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
3563         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
3564         eq_ivtype_map_elts, sese_add_exit_phis_edge,
3565         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
3566         get_vdef_before_sese, sese_adjust_vphi,
3567         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
3568         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
3569         is_iv, expand_scalar_variables_ssa_name,
3570         expand_scalar_variables_expr, expand_scalar_variables_stmt,
3571         expand_scalar_variables, rename_variables, remove_condition,
3572         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
3573         add_loop_exit_phis, insert_loop_close_phis, struct igp,
3574         default_liveout_before_guard, add_guard_exit_phis,
3575         insert_guard_phis, register_old_and_new_names,
3576         graphite_copy_stmts_from_block, register_sese_liveout_renames,
3577         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
3578         if_region_set_false_region, create_if_region_on_edge,
3579         move_sese_in_condition): Moved to sese.c.
3580
3581         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
3582         if_region_exit, if_region_get_condition_block,
3583         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
3584         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
3585         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
3586         ivtype_map_elt, new_ivtype_map_elt,
3587         recompute_all_dominators): Moved to sese.h.
3588
3589         * graphite-clast-to-gimple.c: New.
3590         * graphite-clast-to-gimple.h: New.
3591         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
3592         * sese.c: Modified as said above.
3593         * sese.h: Same.
3594
3595 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3596
3597         * graphite.c: Split scop detection to a new file.
3598         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
3599         move_sd_regions, loop_affine_expr, exclude_component_ref,
3600         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
3601         graphite_cannot_represent_loop_niter, struct scopdet_info,
3602         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
3603         find_single_entry_edge, find_single_exit_edge,
3604         create_single_entry_edge, sd_region_without_exit,
3605         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
3606         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
3607         Moved to graphite-scop-detection.c.
3608
3609         * graphite-scop-detection.c: New.
3610         * graphite-scop-detection.h: New.
3611         * Makefile.in: Add new rule for graphite-scop-detection.o.
3612
3613         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
3614         tree-scalar-evolution.h.
3615         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
3616         build_sese_loop_nests): Moved here from graphite.c.
3617         (param_index): Renamed parameter_index_in_region.
3618
3619 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3620             Sebastian Pop  <sebastian.pop@amd.com>
3621
3622         * gcc.dg/graphite/block-0.c: Expected to fail now.
3623         * gcc.dg/graphite/block-1.c: Same.
3624         * gcc.dg/graphite/block-5.c: Same.
3625         * gcc.dg/graphite/block-6.c: Same.
3626
3627 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3628             Sebastian Pop  <sebastian.pop@amd.com>
3629
3630         * graphite.h: Separate from graphite_bb_p the polyhedral
3631         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
3632         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
3633         graphite-data-ref.h.
3634         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
3635         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
3636         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
3637         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3638         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
3639         scop_nb_params): Moved to graphite-poly.h.
3640         * graphite-data-ref.c: Same.
3641         * graphite-data-ref.h: New.
3642         * graphite.c: Same.
3643         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
3644         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
3645         is_interchange_valid, graphite_trans_bb_block,
3646         graphite_trans_loop_block, scop_max_loop_depth,
3647         graphite_trans_scop_block, graphite_apply_transformations,
3648         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
3649         graphite-poly.c.
3650         * graphite-poly.h: New.
3651         * graphite-poly.c: New.
3652         * Makefile.in (OBJS-common): Add graphite-poly.o.
3653         (graphite-poly.o): New rule.
3654         * tree-data-ref.h (struct data_reference): Remove unused scop field.
3655         (DR_SCOP): Removed.
3656
3657 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3658             Tobias Grosser  <grosser@fim.uni-passau.de>
3659
3660         * graphite.c: Replace gb -> gbb.
3661         * graphite.h: Same.
3662         * graphite-data-ref.c: Same.
3663
3664 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3665             Tobias Grosser  <grosser@fim.uni-passau.de>
3666
3667         * Makefile.in (OBJS-commmon): Add sese.o.
3668         (sese.o): New.
3669         (graphite.o): Add sese.h.
3670         * graphite.c (bb_in_ss_p, loop_in_sese_p,
3671         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
3672         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
3673         Move to sese.
3674         (block_before_scop): Add missing return.
3675         (new_scop, free_scop): Remove SESE data structures.
3676         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
3677         find_scop_parameters, build_loop_iteration_domains,
3678         add_conditions_to_domain, register_scop_liveout_renames,
3679         copy_bb_and_scalar_dependences): Scop -> SESE.
3680
3681         (add_conditions_to_domain): SCoP -> SESE and remove check
3682         (scop_contains_non_iv_scalar_phi_nodes): New.
3683         (build_scop_conditions_1, build_scop_conditions): Remove check for
3684         non iv scalar phi nodes.
3685         (print_scop_statistics): New.
3686         (graphite_transform_loops): Cleanup.
3687
3688         * graphite.h: Move to sese & cleanup.
3689         * sese.c: New.
3690         * sese.h: New.
3691
3692 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3693             Tobias Grosser  <grosser@fim.uni-passau.de>
3694
3695         * graphite.c (build_scop_conditions_1): Conditions are only
3696         at the end of a basic block.
3697
3698 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3699             Tobias Grosser  <grosser@fim.uni-passau>
3700
3701         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
3702         field.
3703         (GBB_ALPHA): Removed.
3704
3705 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3706             Tobias Grosser  <grosser@fim.uni-passau.de>
3707
3708         * graphite-data-ref.c (graphite_test_dependence): Don't use
3709         GBB_DYNAMIC_SCHEDULE.
3710         * graphite.c (new_graphite_bb): Same.
3711         (free_graphite_bb): Same.
3712         (build_scop_dynamic_schedules): Removed.
3713         (graphite_transform_loops): Don't call it.
3714         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
3715         (GBB_DYNAMIC_SCHEDULE): Removed.
3716
3717 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3718             Tobias Grosser  <grosser@fim.uni-passau.de>
3719
3720         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3721         (print_graphite_bb): Same.
3722         (build_cloog_prog): Same.
3723
3724 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3725             Tobias Grosser  <grosser@fim.uni-passau.de>
3726
3727         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3728
3729 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3730             Tobias Grosser  <grosser@fim.uni-passau.de>
3731
3732         * graphite.c (build_scop_context): Don't use CloogMatrix.
3733         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3734         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3735
3736 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3737             Tobias Grosser  <grosser@fim.uni-passau.de>
3738
3739         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3740         liveout_renames, add_params fields...
3741         (struct sese): ... here.
3742         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3743         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3744
3745 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3746             Tobias Grosser  <grosser@fim.uni-passau.de>
3747
3748         * graphite.c (print_scop): Do not print the CLooG program.
3749         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3750         build_cloog_prog, gloog): Don't use SCOP_PROG.
3751         (find_transform): Renamed scop_to_clast.
3752         (print_generated_program, debug_generated_program): New.
3753         (graphite_transform_loops): Adapt to new interface.
3754         * graphite.h (struct scop): Remove program field.
3755         (SCOP_PROG): Removed.
3756         (print_generated_program, debug_generated_program): Declared.
3757
3758 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3759
3760         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3761         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3762         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3763         free_graphite_bb, build_scop_canonical_schedules,
3764         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3765         schedules are now represented using a ppl_Linear_Expression_t.
3766         * graphite.h (struct graphite_bb): Same.
3767         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3768         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3769
3770 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3771
3772         * graphite.c: Free local memory.
3773         * graphite-ppl.c: Same.
3774
3775 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3776
3777         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3778         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3779         swap_constraint_variables, scale_constraint_variable): Removed.
3780         (graphite_trans_bb_strip_mine): Remove pong.
3781         * graphite-ppl.c: Include missing header files.
3782         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3783         * graphite-ppl.h (ppl_strip_loop): Declared.
3784         * Makefile.in (graphite-ppl.o): Adjust dependences.
3785
3786 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3787
3788         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3789         (build_scop_iteration_domain): Same.
3790
3791 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3792
3793         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3794         ping pong.
3795         (add_value_to_dim, scan_tree_for_params_right_scev,
3796         scan_tree_for_params_int): New.
3797         * graphite-ppl.c (oppose_constraint): New.
3798         (insert_constraint_into_matrix): Implement missing cases.
3799         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3800
3801 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3802
3803         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3804         use ppl_move_dimension.
3805
3806 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3807
3808         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3809         * graphite.c: Same.
3810         * graphite.h: Same.
3811         * graphite-ppl.c: Same.
3812         * graphite-ppl.h: Same.
3813
3814 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3815
3816         Revert last 3 commits.
3817
3818 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3819
3820         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3821         ping pong.
3822         (add_value_to_dim, scan_tree_for_params_right_scev,
3823         scan_tree_for_params_int): New.
3824         * graphite-ppl.c (oppose_constraint): New.
3825         (insert_constraint_into_matrix): Implement missing cases.
3826         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3827
3828 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3829
3830         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3831
3832 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3833             Tobias Grosser  <grosser@fim.uni-passau.de>
3834
3835         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3836         use ppl_move_dimension.
3837         * graphite-ppl.c (ppl_move_dimension): New.
3838         * graphite-ppl.h (ppl_move_dimension): Declared.
3839
3840 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3841
3842         * graphite.c: Do not include cloog/cloog.h.
3843         (print_graphite_bb): Remove ping pong, call PPL print function.
3844
3845 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3846
3847         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3848         (graphite.o): Add dependence on graphite-ppl.h.
3849         (graphite-ppl.o): New.
3850         (graphite-data-ref.c): Ping pong between PPL data structures
3851         and matrices.
3852         * graphite-ppl.c: New.
3853         * graphite-ppl.h: New.
3854         * graphite.c: Include graphite-ppl.h.
3855         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3856         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3857         Ping pong between PPL data structures and matrices.
3858         (new_graphite_bb): Create a PPL constraint system.
3859         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3860         (build_loop_iteration_domains): Use PPL functions.
3861         * graphite.h: Include graphite-ppl.h.  Fix comments.
3862         (graphite_bb): Use a ppl_Constraint_System_t instead of
3863         CloogMatrix for representing the domain.
3864         (scop): Remove static_schedule.
3865         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3866
3867 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3868
3869         * graphite.c: Fix some comments.
3870
3871 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3872
3873         PR middle-end/38953
3874         * graphite.c (if_region_set_false_region): After moving a region
3875         in the false branch of a condition, remove the empty dummy
3876         basic block.
3877         (gloog): Remove wrong fix for PR38953.
3878
3879 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3880
3881         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3882         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3883         register_bb_in_sese, new_sese, free_sese): Moved.
3884         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3885         outermost_loop_in_scop, build_scop_iteration_domain,
3886         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3887         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3888         Use loop_in_sese_p instead of loop_in_scop_p.
3889         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3890         (free_scop): Do not free SCOP_BBS_B.
3891         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3892         ref_nb_loops): Moved here...
3893         * graphite.h (ref_nb_loops): ... from here.
3894         (struct scop): Remove bbs_b bitmap.
3895         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3896         * testsuite/gcc.dg/graphite/scop-19.c: New
3897
3898 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3899
3900         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3901         detection.
3902
3903 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3904
3905         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3906         eq_loop_to_cloog_loop): Remove.
3907         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3908         * graphite.h (struct scop): Remove loop2cloog_loop.
3909         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3910
3911 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3912
3913         * opts.c (decode_options): Only add graphite options to O2
3914         if we compile with graphite enabled.
3915
3916 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3917
3918         * Merge from mainline (r143163:143684).
3919
3920 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3921
3922         * graphite.c (debug_value): Removed.
3923         * graphite.h (debug_value): Removed.
3924
3925 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3926
3927         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3928         after graphite: pass_copy_prop does not maintain a proper loop closed
3929         SSA form.  pass_copy_prop should be fixed.
3930
3931 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3932
3933         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3934
3935 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3936
3937         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3938         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3939         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3940         changed the CFG.
3941
3942 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3943
3944         * graphite.c (gloog): Return true when code gen succeeded.
3945         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3946         the code of the function did not changed.  After cleanup_tree_cfg
3947         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3948         form.
3949
3950 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3951
3952         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3953         gimple_call_lhs is NULL.
3954
3955 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3956             Tobias Grosser  <tobi.grosser@amd.com>
3957
3958         * graphite.c (graphite_trans_scop_block): Do not block single
3959         nested loops.
3960
3961 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3962             Tobias Grosser  <tobi.grosser@amd.com>
3963
3964         * graphite.c (build_scop_canonical_schedules): Start schedules at
3965         zero.
3966
3967 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3968             Tobias Grosser  <tobi.grosser@amd.com>
3969
3970         * graphite.c (compare_prefix_loops): New.
3971         (build_scop_canonical_schedules): Rewritten.
3972         (graphite_transform_loops): Move build_scop_canonical_schedules
3973         after build_scop_iteration_domain.
3974
3975 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3976             Tobias Grosser  <tobi.grosser@amd.com>
3977
3978         * graphite.c (add_conditions_to_domain): Add the loops to
3979         the dimension of the iteration domain.  Do copy the domain
3980         only when it exists.
3981         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3982         (add_conditions_to_constraints): New.
3983         (can_generate_code_stmt, can_generate_code): Removed.
3984         (gloog): Do not call can_generate_code.
3985         (graphite_transform_loops): Call add_conditions_to_constraints
3986         after building the iteration domain.
3987
3988 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3989             Tobias Grosser  <tobi.grosser@amd.com>
3990             Jan Sjodin  <jan.sjodin@amd.com>
3991
3992         * graphite.c (scan_tree_for_params): On substractions negate
3993         all the coefficients of the term.
3994         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3995         of more than two operands.
3996         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3997         (get_vdef_before_scop): Handle also the case of default definitions.
3998
3999 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4000
4001         PR middle-end/38431
4002         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
4003         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
4004         (gloog): Do not call cleanup_tree_cfg.
4005         (graphite_transform_loops): Call cleanup_tree_cfg after all
4006         scops have been code generated.
4007
4008 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4009
4010         * passes.c (init_optimization_passes): Schedule after
4011         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
4012
4013 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4014
4015         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
4016         Fix comment.
4017         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
4018         Set the type of an expression to the type of its assign statement.
4019         (expand_scalar_variables_expr):  Do not pass loop_p.
4020         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
4021         (copy_bb_and_scalar_dependences): Do not pass loop_p.
4022         (translate_clast): Update call to copy_bb_and_scalar_dependences.
4023
4024 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4025
4026         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
4027         an expression to the gimple_expr_type of its assign statement.
4028         (expand_scalar_variables_expr): Stop recursion on tcc_constant
4029         or tcc_declaration.
4030
4031 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4032
4033         PR tree-optimization/38786
4034         * testsuite/gcc.dg/graphite/pr38786.c: New.
4035         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
4036         the SSA_NAME case of expand_scalar_variables_expr.
4037         (expand_scalar_variables_expr): Also gather the scalar computation
4038         used to index the memory access.
4039         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
4040         the gimple_stmt_iterator where it inserts new code.
4041
4042 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4043
4044         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
4045
4046 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4047
4048         * opts.c (decode_options): Enable flag_graphite_identity and
4049         flag_loop_block in -O2 and above.
4050
4051 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4052
4053         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
4054         Fix merge problem: replace with the file from trunk.
4055
4056 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4057
4058         * Merge from mainline (r141727:143163).
4059
4060 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
4061             Jan Sjodin  <jan.sjodin@amd.com>
4062
4063         PR tree-optimization/38559
4064         * testsuite/gcc.dg/graphite/pr38559.c: New.
4065
4066         * graphite.c (debug_value, copy_constraint,
4067         swap_constraint_variables, scale_constraint_variable, ): New.
4068         (get_lower_bound, get_upper_bound): Removed.
4069         (graphite_trans_bb_strip_mine): Clean up this code that works
4070         only for constant number of iterations.  Fully copy upper and
4071         lower bound constraints, not only the constant part of them.
4072         * graphite.h (debug_value): Declared.
4073
4074 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
4075
4076         PR tree-optimization/38492
4077         PR tree-optimization/38498
4078         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4079         * tree-chrec.h (scev_is_linear_expression): Declared.
4080         * graphite.c (graphite_cannot_represent_loop_niter): New.
4081         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4082         (graphite_loop_normal_form): Use gcc_assert.
4083         (scan_tree_for_params): Use CASE_CONVERT.
4084         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4085         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4086         Use gcc_assert.  Discard scops that contain unhandled cases.
4087         (build_scop_conditions): Return a boolean status for unhandled cases.
4088         (strip_mine_profitable_p): Print the loop number, not its depth.
4089         (is_interchange_valid): Pass the depth of the loop nest, don't
4090         recompute it wrongly.
4091         (graphite_trans_bb_block): Same.
4092         (graphite_trans_bb_block): Print tentative of loop blocking.
4093         (graphite_trans_scop_block): Do not print that the loop has been
4094         blocked.
4095         (graphite_transform_loops): Do not handle scops that contain condition
4096         scalar phi nodes.
4097
4098         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
4099         in trunk.
4100         * testsuite/gcc.dg/graphite/block-0.c: Update test.
4101         * testsuite/gcc.dg/graphite/block-1.c: Same.
4102         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
4103         blocking.
4104         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
4105         * testsuite/gcc.dg/graphite/block-3.c: New.
4106         * testsuite/gcc.dg/graphite/pr38498.c: New.
4107
4108 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
4109
4110         PR tree-optimization/38510
4111         * gcc.dg/graphite/pr38510.c: New.
4112         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4113           (translate_clast): Call recompute_all_dominators before
4114           graphite_verify.
4115           (gloog): Call recompute_all_dominators before graphite_verify.
4116
4117 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
4118
4119         PR tree-optimization/38492
4120         * graphite.c (rename_map_elt, debug_rename_elt,
4121         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4122         rename_map_elt_info, eq_rename_map_elts,
4123         get_new_name_from_old_name, bb_in_sese_p): Moved around.
4124         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4125         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4126         (sese_build_livein_liveouts): New.
4127         (new_sese, free_sese): New.
4128         (new_scop): Call new_sese.
4129         (free_scop): Call free_sese.
4130         (rename_variables_from_edge, rename_phis_end_scop): Removed.
4131         (register_old_new_names): Renamed register_old_and_new_names.
4132         (register_scop_liveout_renames, add_loop_exit_phis,
4133         insert_loop_close_phis, struct igp,
4134         default_liveout_before_guard, add_guard_exit_phis,
4135         insert_guard_phis, copy_renames): New.
4136         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4137         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4138         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4139         (scop_adjust_phis_for_liveouts): New.
4140         (gloog): Call scop_adjust_phis_for_liveouts.
4141
4142         * graphite.h (struct sese): Documented.  Added fields liveout,
4143         num_ver and livein.
4144         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4145         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4146         (struct scop): Added field liveout_renames.
4147         (SCOP_LIVEOUT_RENAMES): New.
4148
4149 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4150
4151         PR tree-optimization/38409
4152         * gcc.dg/graphite/pr38409.c: New.
4153         * graphite.c (nb_reductions_in_loop): Use simple_iv.
4154
4155 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4156
4157         * graphite.c (gcc_type_for_cloog_iv): By default return
4158         integer_type_node.
4159         (graphite_create_new_loop): Don't fold_convert the already
4160         fold_convert-ed expression.
4161
4162 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
4163
4164         PR tree-optimization/38446
4165         * gcc.dg/graphite/pr38446.c: New.
4166         * graphite.c (register_bb_in_sese): New.
4167         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
4168         looking at the bbs in the region.
4169         * graphite.h (sese): Add region_basic_blocks pointer set to
4170         structure and initialize at the time of defining new scop.
4171
4172 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4173
4174         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
4175         (find_params_in_bb): Do not free data refs.
4176         (free_graphite_bb): Add FIXME on disabled free_data_refs.
4177
4178 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4179
4180         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
4181         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4182         * testsuite/gcc.dg/graphite/block-5.c: New.
4183         * testsuite/gcc.dg/graphite/block-6.c: New.
4184         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
4185         * testsuite/gcc.dg/graphite/pr37684.c: Same.
4186         * testsuite/gcc.dg/graphite/block-2.c: Same.
4187
4188         * graphite.c (struct ivtype_map_elt): New.
4189         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
4190         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
4191         gcc_type_for_cloog_iv): New.
4192         (loop_iv_stack_patch_for_consts): Use the type of the induction
4193         variable from the original loop, except for the automatically
4194         generated loops, i.e., in the case of a strip-mined loop, in
4195         which case there is no original loop: in that case just use
4196         integer_type_node.
4197         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
4198         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
4199         (clast_name_to_gcc): Accept params to be NULL.
4200         (clast_to_gcc_expression): Take an extra parameter for the type.
4201         Convert to that type all the expressions built by this function.
4202         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
4203         (graphite_translate_clast_equation): Compute the type of the
4204         clast_equation before translating its LHS and RHS.
4205         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
4206         (graphite_create_new_loop): Compute the type of the induction
4207         variable before translating the lower and upper bounds and before
4208         creating the induction variable.
4209         (rename_variables_from_edge, rename_phis_end_scop): New.
4210         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
4211         (sese_add_exit_phis_edge): Do not use integer_zero_node.
4212         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4213         compute_cloog_iv_types): New.
4214         (gloog): Call compute_cloog_iv_types before starting the
4215         translation of the clast.
4216
4217         * graphite.h (struct graphite_bb): New field cloog_iv_types.
4218         (GBB_CLOOG_IV_TYPES): New.
4219         (debug_ivtype_map): Declared.
4220         (oldiv_for_loop): New.
4221
4222 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4223
4224         PR middle-end/38459
4225         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
4226         (param_index): Assert if parameter is not know after parameter
4227         detection.
4228         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
4229         (find_scop_parameters): Mark, that we have finished parameter
4230         detection.
4231         (graphite_transform_loops): Move condition detection before parameter
4232         detection.
4233         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
4234         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
4235
4236 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4237
4238         * graphite.c (graphite_transform_loops): Always call find_transform ()
4239         in ENABLE_CHECKING.  So we test these code paths, even if we do not
4240         generate code.
4241
4242 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4243
4244         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
4245         (print_scop): Ditto.
4246
4247 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4248
4249         PR middle-end/38084
4250         Fix testsuite/gfortran.dg/graphite/id-3.f90.
4251         * graphite.c (scopdet_basic_block_info): Fix bug that found some
4252         regions more than once.
4253
4254 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4255
4256         Fix testsuite/gfortran.dg/graphite/id-4.f90.
4257         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
4258         when not needed.
4259
4260 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4261
4262         Fix testsuite/gfortran.dg/graphite/id-1.f90.
4263         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
4264         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
4265         (max_precision_type): New.
4266         (value_clast): Removed.
4267         (clast_to_gcc_expression): Be more careful to types of expressions.
4268         Use max_precision_type and update use of gmp_cst_to_tree.
4269         (graphite_translate_clast_equation): Use max_precision_type.
4270         (graphite_create_guard_cond_expr): Do not use integer_type_node,
4271         use the type of the condition.
4272         (graphite_create_new_loop): Do not use integer_type_node, use the
4273         max_precision_type of lb and ub.
4274
4275 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4276
4277         * graphite.c (build_scops_1): Initialize open_scop.exit
4278         and sinfo.last.
4279
4280 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4281
4282         * testsuite/gcc.dg/graphite/pr38084.c: New.
4283         * testsuite/gfortran.dg/graphite/id-1.f90: New.
4284         * testsuite/gfortran.dg/graphite/id-2.f90: New.
4285         * testsuite/gfortran.dg/graphite/id-3.f90: New.
4286         * testsuite/gfortran.dg/graphite/id-4.f90: New.
4287         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
4288
4289 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4290             Jan Sjodin  <jan.sjodin@amd.com>
4291             Harsha Jagasia  <harsha.jagasia@amd.com>
4292
4293         PR middle-end/37852
4294         PR middle-end/37883
4295         PR middle-end/37928
4296         PR middle-end/37980
4297         PR middle-end/38038
4298         PR middle-end/38039
4299         PR middle-end/38073
4300         PR middle-end/38083
4301         PR middle-end/38125
4302
4303         * testsuite/gcc.dg/graphite/pr38073.c: New.
4304         * testsuite/gcc.dg/graphite/pr37928.c: New.
4305         * testsuite/gcc.dg/graphite/pr37883.c: New.
4306         * testsuite/gcc.dg/graphite/pr38125.c: New.
4307         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
4308         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
4309         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
4310
4311         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
4312         the number of detected scops.  Copy exact same test for loop
4313         blocking...
4314         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
4315         loops to be blocked as reductions are not handled.
4316         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
4317
4318         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
4319         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
4320         ...here.
4321         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
4322         * Makefile.in (graphite.o): Depend on value-prof.h.
4323         (graphite.o-warn): Removed -Wno-error.
4324         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
4325         to be a NULL pointer.  Call update_stmt.  Return the newly created
4326         cannonical induction variable.
4327
4328         * graphite.h (debug_rename_map): Declared.  Fix some comments.
4329
4330         * graphite.c: Reimplement the code generation from graphite to gimple.
4331         Include value-prof.h.
4332         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
4333         (get_old_iv_from_ssa_name): Removed.
4334         (graphite_stmt_p): New.
4335         (new_graphite_bb): Test for useful statements before building a
4336         graphite statement for the basic block.
4337         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
4338         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
4339         reason.
4340         (recompute_all_dominators, graphite_verify,
4341         nb_reductions_in_loop, graphite_loop_normal_form): New.
4342         (scop_record_loop): Call graphite_loop_normal_form.
4343         (build_scop_loop_nests): Iterate over all the blocks of the
4344         function instead of relying on the incomplete information from
4345         SCOP_BBS.  Return the success of the operation.
4346         (find_params_in_bb): Use the data from GBB_DATA_REFS.
4347         (add_bb_domains): Removed.
4348         (build_loop_iteration_domains): Don't call add_bb_domains.
4349         Add the iteration domain only to the basic blocks that have been
4350         translated to graphite.
4351         (build_scop_conditions_1): Add constraints only if the basic
4352         block have been translated to graphite.
4353         (build_scop_data_accesses): Completely disabled until data
4354         dependence is correctly implemented.
4355         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
4356         (remove_all_edges_1, remove_all_edges): Removed.
4357         (get_new_name_from_old_name): New.
4358         (graphite_rename_variables_in_stmt): Renamed
4359         rename_variables_in_stmt.  Call get_new_name_from_old_name.
4360         Use replace_exp and update_stmt.
4361         (is_old_iv): Renamed is_iv.
4362         (expand_scalar_variables_stmt): Extra parameter for renaming map.
4363         Use replace_exp and update_stmt.
4364         (expand_scalar_variables_expr): Same.  Use the map to get the
4365         new names for the renaming of induction variables and for the
4366         renaming of variables after a basic block has been copied.
4367         (expand_scalar_variables): Same.
4368         (graphite_rename_variables): Renamed rename_variables.
4369         (move_phi_nodes): Removed.
4370         (get_false_edge_from_guard_bb): New.
4371         (build_iv_mapping): Do not insert the induction variable of a
4372         loop in the renaming iv map if the basic block does not belong
4373         to that loop.
4374         (register_old_new_names, graphite_copy_stmts_from_block,
4375         copy_bb_and_scalar_dependences): New.
4376         (translate_clast): Heavily reimplemented: copy basic blocks,
4377         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
4378         At each translation step call graphite_verify ensuring the
4379         consistency of the SSA, loops and dominators information.
4380         (collect_virtual_phis, find_vdef_for_var_in_bb,
4381         find_vdef_for_var_1, find_vdef_for_var,
4382         patch_phis_for_virtual_defs): Removed huge hack.
4383         (mark_old_loops, remove_dead_loops, skip_phi_defs,
4384         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
4385         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
4386         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
4387         if_region_get_condition_block, if_region_set_false_region,
4388         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
4389         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
4390         sese_add_exit_phis_edge, sese_add_exit_phis_var,
4391         rewrite_into_sese_closed_ssa): New.
4392         (gloog): Remove dead code.  Early return if code cannot be
4393         generated.  Call cleanup_tree_cfg once the scop has been code
4394         generated.
4395         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
4396         block loops with less than two loops.
4397         (graphite_apply_transformations): Remove the call to
4398         scop_remove_ignoreable_gbbs.
4399         (limit_scops): When build_scop_loop_nests fails, continue on
4400         the next scop.  Fix open_scop.entry.
4401         (graphite_transform_loops): Call recompute_all_dominators: force the
4402         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
4403         Call initialize_original_copy_tables and free_original_copy_tables
4404         to be able to copy basic blocks during code generation.
4405         When build_scop_loop_nests fails, continue on next scop.
4406         (value_clast): New union.
4407         (clast_to_gcc_expression): Fix type cast warning.
4408
4409 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
4410
4411         * Merge from mainline (r140838:141727).
4412
4413 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4414
4415         PR middle-end/37833
4416
4417         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
4418
4419 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4420
4421         PR middle-end/37943
4422
4423         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
4424         exits and conditions.
4425         * testsuite/gcc.dg/graphite/pr37943.c: New.
4426
4427 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4428
4429         PR middle-end/37886
4430         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
4431
4432 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4433
4434         * doc/invoke.texi: Fix spaces.
4435
4436 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
4437
4438         PR tree-optimization/37891
4439         Reverted last commit.
4440         * graphite.c (create_single_entry_edge): Set
4441         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4442
4443 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
4444             Mitul Thakkar  <mitul.thakkar@amd.com>
4445
4446         * graphite.c (create_single_entry_edge): Set
4447         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4448
4449 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4450
4451         * doc/invoke.texi: Add -fgraphite-identity.
4452         * graphite.c (graphite_apply_transformations): Check for
4453         -fgraphite-identity.
4454         * toplev.c (process_options): Add flag_graphite_identity.
4455         * tree-ssa-loop.c: Add flag_graphite_identity.
4456
4457 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4458
4459         Undo changes from 2008-10-02:
4460         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4461         operand type when copying the operand to a variable of different type.
4462         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4463         with the IV name after increment.
4464
4465 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4466             Harsha Jagasia  <harsha.jagasia@amd.com>
4467
4468         PR tree-optimization/37828
4469         * testsuite/gcc.dg/graphite/pr37828.c: New.
4470         * graphite.c (graphite_trans_loop_block): Do not loop block
4471         single nested loops.
4472
4473 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
4474             Sebastian Pop  <sebastian.pop@amd.com>
4475
4476         * graphite.c (struct rename_map_elt, new_rename_map_elt,
4477         rename_map_elt_info, eq_rename_map_elts): New.
4478         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
4479         (expand_scalar_variables_expr): Change parameters.
4480         (expand_scalar_variables_stmt): Same.
4481         (expand_scalar_variables): Same.
4482         (graphite_rename_ivs): Rename graphite_rename_variables.
4483         (build_iv_mapping): New.
4484         (translate_clast): Call build_iv_mapping.
4485         * graphite.h (gbb_p): New name.
4486
4487 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
4488
4489         PR tree-optimization/37684
4490         * gcc.dg/graphite/pr37684.c: New.
4491         * graphite.c (exclude_component_ref): New.
4492         (is_simple_operand): Call exclude_component_ref.
4493
4494 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
4495             Harsha Jagasia  <harsha.jagasia@amd.com>
4496
4497         PR tree-optimization/37485
4498         * gcc.dg/graphite/block-2.c: New
4499         * graphite.c (gmp_cst_to_tree): Moved.
4500         (iv_stack_entry_is_constant): New.
4501         (iv_stack_entry_is_iv): New.
4502         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
4503         (loop_iv_stack_insert_constant): New.
4504         (loop_iv_stack_pop): Use new datatpype.
4505         (loop_iv_stack_get_iv): Same.
4506         (loop_iv_stack_get_iv_from_name): Same.
4507         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
4508         (loop_iv_stack_patch_for_consts): New.
4509         (loop_iv_stack_remove_constants): New.
4510         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
4511         (translate_clast): Call loop_iv_stack_patch_for_consts and
4512         loop_iv_stack_remove_constants.
4513         (gloog): Use new datatype.  Redirect construction edge to end
4514         block to avoid accidental deletion.
4515         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
4516         iv stack entry.
4517         (union iv_stack_entry_data): New.  Data in iv stack entry.
4518         (struct iv_stack_entry): New.  Datatype for iv stack entries.
4519
4520 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4521
4522         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4523         operand type when copying the operand to a variable of different type.
4524
4525 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4526
4527         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4528         with the IV name after increment.
4529
4530 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4531
4532         * Merge from mainline (r140164:140838).
4533
4534 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4535
4536         * graphite-data-ref.c: New.
4537         * graphite.c (print_scop): Also dump the dependence graph.
4538         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
4539         (new_scop): Initialize SCOP_DEP_GRAPH.
4540         (build_scop_dynamic_schedules): New.
4541         (build_access_matrix_with_af): Fixed column numbering.
4542         (graphite_transform_loops): Call build_scop_dynamic_schedules.
4543         * graphite.h: Add ifndef/define guards against multiple inclusion.
4544         (struct scop): Add dep_graph field.
4545         (SCOP_DEP_GRAPH): Defined.
4546         (ref_nb_loops): Fixed and moved to other position.
4547         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
4548         (nb_loops_around_loop_in_scop): New.
4549         (graphite_dump_dependence_graph): Declared.
4550         (graphite_build_rdg_all_levels): Declared.
4551         (graphite_test_dependence): Declared.
4552         * Makefile.in (graphite-data-ref.o): New target.
4553
4554 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
4555
4556         * Merge from mainline (139870:140164).
4557
4558 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4559
4560         * Merge from mainline (138275:139870).
4561         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
4562         the commits from trunk broke the niter detection.
4563
4564 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4565
4566         * graphite.c: Add more documentation.  Fix formatting.
4567         (debug_loop_vec, debug_oldivs, loop_iv_stack,
4568         loop_iv_stack_debug): Moved...
4569         (schedule_to_scattering): Move before use.
4570         (dot_all_scops): Include in "#if 0" the code for system
4571         call dotty.
4572
4573         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
4574         loop_iv_stack_debug): ...here.
4575
4576 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
4577
4578         * tree-phinodes.c (make_phi_node): Extern.
4579         (add_phi_node_to_bb): New.
4580         (create_phi_node): Call add_phi_node_to_bb.
4581         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
4582         (remove_statement): Handle case where stored phi was updated
4583         and is no longer the same.
4584         * graphite.c (is_parameter): New.
4585         (is_old_iv): New.
4586         (expand_scalar_variables_expr): New.
4587         (expand_scalar_variables_stmt): New.
4588         (expand_scalar_variables): New.
4589         (move_phi_nodes): Create new phi instead of moving old one.
4590         (translate_clast): Call expand_scalar_variables.
4591         (find_vdef_for_var_in_bb): Also scan regular definitions.
4592         (skip_phi_defs): New.
4593         (collect_scop_exit_phi_args): New.
4594         (patch_scop_exit_phi_args): New.
4595         (gloog): Patch phis after scop.
4596         * tree-flow.h: (add_phi_node_to_bb): Declared.
4597         (make_phi_node): Declared.
4598
4599 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4600
4601         * graphite.c (end_scop): Split the entry of the scop when it
4602         is the header of the loop in which the scop is ending.
4603         (build_scops_1, limit_scops): Update uses of end_scop.
4604
4605 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4606
4607         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
4608         SCOP_ENTRY or SCOP_EXIT.
4609
4610 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4611
4612         * graphite.c (get_construction_edge): Removed.
4613         (gloog): Construction edge is the scop entry edge.
4614
4615 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4616
4617         * graphite.c (can_generate_for_scop): Removed.
4618         (gloog): Do not call it.
4619
4620 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4621
4622         * graphite.c (new_scop): Entry of a scop is an edge.
4623         Initialize SESE region.
4624         (free_scop): Free SESE region.
4625         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
4626         (split_difficult_bb): New, split from end_scop.
4627         (end_scop): Exit of a scop is an edge.
4628         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
4629         not automatically updated and thus is always wrong.
4630         * graphite.h (struct sese): New.
4631         (SESE_ENTRY): New.
4632         (SESE_EXIT): New.
4633         (struct scop): New field for a SESE region.  Remove entry, exit.
4634         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
4635         semantics as before.  Moved comment around.
4636
4637 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4638             Sebastian Pop  <sebastian.pop@amd.com>
4639
4640         * graphite.c (graphite_transform_loops): Always enable gloog
4641         and find_transform when ENABLE_CHECKING.
4642
4643 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4644
4645         * graphite.c (graphite_transform_loops): Move pretty printer
4646         of SCOPs before doing any transform.  Remove call to print_scops
4647         and dot_all_scops_1.
4648
4649 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4650
4651         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
4652         (print_graphite_bb): Same.
4653
4654 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4655
4656         * graphite.c (dot_all_scops_1): Cleanup.
4657         (move_scops): Fix comment.
4658
4659 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4660
4661         * graphite.c (build_scop_bbs): Revert commit 139355:
4662
4663         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4664                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4665
4666                 * graphite.c (build_scop_bbs): Factor up code.
4667
4668 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4669
4670         * graphite.c (gloog): Update dominator info.
4671
4672 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4673
4674         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
4675
4676 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4677
4678         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
4679         initialization.
4680         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
4681         (translate_clast): Correct formatting.
4682         * graphite.h (struct num_map): Removed.
4683         (struct graphite_bb): Remove num_map field.
4684         (GBB_INDEX_TO_NUM_MAP): Removed.
4685
4686 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4687
4688         * graphite.c (build_access_matrix_with_af): Fix comments.
4689         (build_scop_data_accesses): Same.
4690
4691 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4692
4693         * graphite.c (build_scop_data_accesses): Don't construct
4694         access matrices.  Add a FIXME and an assert condition that
4695         should pass when the access matrices will be needed.
4696
4697 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4698
4699         * tree-data-ref.c (stmt_simple_memref_p): Don't call
4700         really_constant_p.
4701         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
4702         Moved close by free_graphite_bb.
4703         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
4704         (new_scop): Move close by free_scop.
4705         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
4706
4707 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
4708
4709         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
4710         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
4711         instead of recursive call.
4712         (graphite_translate_clast_equation): New.
4713         (graphite_create_guard_cond_expr): New.
4714         (graphite_create_new_guard): New.
4715         (get_stack_index_from_iv): Removed.
4716         (graphite_rename_ivs_stmt): Use gbb_loop_index.
4717         (get_true_edge_from_guard_bb): New.
4718         (translate_clast): Handle stmt_guard in clast.
4719         (get_construction_edge): Allow construction edge detection for
4720         a scope entry with multiple predecessors if one predecessor is
4721         the immediate dominator of scope entry.
4722         (can_generate_code_stmt): Enable code generation for clast_guard.
4723         (gloog): Use correct context loop.  Removed check for post dominators.
4724         * cfgloop.h (create_empty_if_region_on_edge): Declared.
4725
4726 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4727
4728         * graphite.c (remove_dead_loops): Document better which
4729         loops are removed.
4730
4731 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4732
4733         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
4734         and PPLINC.
4735         (graphite.o): Also depends on pointer-set.h.
4736
4737 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4738
4739         * graphite.c (scop_record_loop): Fix compile warning.
4740
4741 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
4742             Sebastian Pop  <sebastian.pop@amd.com>
4743
4744         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
4745
4746 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4747
4748         * graphite.c (build_graphite_bb): Initialize bb->aux to
4749         point to the graphite_bb_p.
4750         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
4751         content of bb->aux.
4752         (add_bb_domains): Does not use the scop parameter.
4753         (graphite_transform_loops): Clean bb->aux at the end.
4754
4755 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4756             Sebastian Pop  <sebastian.pop@amd.com>
4757
4758         * testsuite/lib/target-supports.exp
4759         (check_effective_target_fgraphite): New.
4760
4761         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
4762         check_effective_target_fgraphite returns false.
4763         Set dg-do-what-default to compile.
4764         (scan-graphite-dump-times): Removed.
4765         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
4766
4767         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
4768         Use scan-tree-dump-times instead of scan-graphite-dump-times.
4769         * testsuite/gcc.dg/graphite/scop-1.c: Same.
4770         * testsuite/gcc.dg/graphite/scop-2.c: Same.
4771         * testsuite/gcc.dg/graphite/scop-3.c: Same.
4772         * testsuite/gcc.dg/graphite/scop-4.c: Same.
4773         * testsuite/gcc.dg/graphite/scop-5.c: Same.
4774         * testsuite/gcc.dg/graphite/scop-6.c: Same.
4775         * testsuite/gcc.dg/graphite/scop-7.c: Same.
4776         * testsuite/gcc.dg/graphite/scop-8.c: Same.
4777         * testsuite/gcc.dg/graphite/scop-9.c: Same.
4778         * testsuite/gcc.dg/graphite/scop-10.c: Same.
4779         * testsuite/gcc.dg/graphite/scop-11.c: Same.
4780         * testsuite/gcc.dg/graphite/scop-12.c: Same.
4781         * testsuite/gcc.dg/graphite/scop-13.c: Same.
4782         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
4783         * testsuite/gcc.dg/graphite/scop-14.c: Same.
4784         * testsuite/gcc.dg/graphite/scop-15.c: Same.
4785         * testsuite/gcc.dg/graphite/block-0.c: Same.
4786         * testsuite/gcc.dg/graphite/scop-16.c: Same.
4787         * testsuite/gcc.dg/graphite/block-1.c: Same.
4788         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4789         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4790         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
4791         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
4792         * testsuite/gfortran.dg/graphite/block-2.f: Same.
4793
4794 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4795
4796         * graphite.c: Fix some XXX comments.
4797         (build_scop_dynamic_schedules): Removed.
4798
4799 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4800
4801         * graphite.h (scop_max_loop_depth): Moved...
4802         * graphite.c (scop_max_loop_depth): ...here.
4803         (remove_all_edges_1): New.
4804         (remove_all_edges): Factored code.
4805         (remove_cond_exprs): Check only the last statement for
4806         a GIMPLE_COND expression.
4807
4808 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4809
4810         * graphite.c (scan_tree_for_params): Early return when the
4811         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
4812         (find_scop_parameters): Factor out code.
4813         (graphite_trans_bb_strip_mine): Remove dead code.
4814
4815 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4816
4817         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
4818         graphite_trans_bb_move_loop): Factor asserts.
4819         (gloog): Perform sanity checks only for ENABLE_CHECKING.
4820         Do not call calculate_dominance_info and estimate_bb_frequencies.
4821
4822 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
4823
4824         * graphite.c (create_loops_mapping, free_loops_mapping,
4825         create_loops_mapping_num, debug_loop_mapping_1,
4826         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
4827         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
4828         graphite_loops_mapping_add_child_num,
4829         graphite_loops_mapping_insert_child,
4830         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
4831         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
4832         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
4833         create_num_from_index, get_num_from_index,
4834         swap_loop_mapped_depth): Removed.
4835         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
4836         (free_scop): Do not call free_loops_mapping.
4837         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
4838         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
4839         get_loop_mapped_depth.
4840         (graphite_trans_bb_move_loop): Do not update the loop mapping.
4841         (graphite_trans_bb_strip_mine): Same.
4842         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
4843         (struct scop): Remove field loops_mapping.
4844
4845 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4846             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4847
4848         * graphite.c (scop_record_loop): Factor out one level of the
4849         condition by early return.
4850         (build_scop_loop_nests): Format following FSF coding style.
4851         (build_scop_dynamic_schedules): Factor out code.
4852         (scopdet_bb_info): Reindent.  Default case should not be reachable.
4853
4854 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4855             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4856
4857         * graphite.c (loop_affine_expr): Check for DECL_P or struct
4858         assignments that are not handled as simple operands for now.
4859
4860 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4861             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4862
4863         * graphite.c (build_scop_bbs): Factor up code.
4864
4865 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4866             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4867
4868         * graphite.c (stmt_simple_for_scop_p): Factor code out
4869         of the loop.
4870         (enum gbb_type): New.  Group all the GBB_* types under it.
4871         (is_loop_exit): Moved...
4872         (end_scop): Enable BB spliting.
4873         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
4874         * cfgloop.h (is_loop_exit): Declared.
4875
4876 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4877
4878         * doc/invoke.texi: Remove strides from examples containing
4879         DO loops when the strides are equal to 1.
4880
4881 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
4882             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4883
4884         * graphite.c (graphite_trans_scop_block): Or the result with
4885         the result from graphite_trans_loop_block.
4886         * testsuite/gcc.dg/graphite/block-1.c: New.
4887         * testsuite/gfortran.dg/graphite/block-1.f90: New.
4888         * testsuite/gfortran.dg/graphite/block-2.f: New.
4889
4890 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4891
4892         * graphite.c (graphite_transform_loops): Call cloog_initialize
4893         and cloog_finalize.
4894
4895 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4896
4897         * tree-data-ref.c) (stmt_simple_memref_p): New.
4898         * tree-data-ref.h (stmt_simple_memref_p): Declared.
4899         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
4900         (is_simple_operand): Call stmt_simple_memref_p.
4901
4902         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
4903         using pointer arithmetic, as this is optimized by PRE and
4904         makes the code too difficult to analyze.
4905
4906         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4907
4908 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4909
4910         * gdbinit.in (pgg): New.
4911
4912 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4913
4914         * graphite.c (graphite_trans_loop_block): Fix warning.
4915
4916 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4917
4918         * graphite.c (graphite_trans_loop_block): Fix my merge error.
4919
4920 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4921
4922         * graphite.c (graphite_trans_bb_block): Remove check for
4923         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
4924         Check if loop blocking is profitable for every loop, before applying
4925         the changes.
4926         (graphite_apply_transformations): Call graphite_trans_bb_block only,
4927         if flag_loop_block is set.
4928
4929 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4930
4931         * graphite.c: Add some more documentation for the loop
4932         mapping.
4933
4934 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4935
4936         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
4937         * graphite.c: Format on less than 80 columns.
4938         * graphite.h: Same.
4939
4940 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4941
4942         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
4943
4944 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4945
4946         * doc/invoke.texi (floop-block, floop-strip-mine,
4947         floop-interchange): Update documentation with examples.
4948
4949 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4950
4951         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
4952         add_referenced_var.
4953         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
4954
4955 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4956
4957         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
4958         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
4959         * tree-scalar-evolution.c: Revert useless changes.
4960         * tree-phinodes.c: Same.
4961         * cfghooks.c: Same.
4962         * vec.h: Same.
4963         * tree-vectorizer.h: Same.
4964         * tree-flow.h: Same.
4965         * tree-cfg.c: Same.
4966         * common.opt (fgraphite): Update documentation.
4967
4968 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
4969
4970         * doc/invoke.texi (-floop-block, -floop-strip-mine,
4971         -floop-interchange): Add more text for explaining what each of these
4972         flags is doing.
4973         * tree-into-ssa.c (gimple_vec): Moved to...
4974         * graphite.c: Include gimple.h.
4975         (gimple_vec): Moved to...
4976         (del_loop_to_cloog_loop): Removed.
4977         (loop_affine_expr): Do not call create_data_ref when the
4978         operand is a constant.
4979         (new_scop): Use free instead of del_loop_to_cloog_loop.
4980         * Makefile.in (graphite.o): Depend on GIMPLE_H.
4981         * gimple.h (gimple_vec): ... here.
4982
4983 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4984
4985         * graphite.c (scopdet_bb_info): Only allow loops with known number of
4986         latch executions.
4987         (build_loop_iteration_domains): Fail, if latch executions unknown.
4988
4989 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4990
4991         * graphite.c (add_conditions_to_domain): New.
4992         (build_scop_conditions_1): Call add_conditions_to_domain.
4993         (set_cloog_options): Allow to disable optimizations.
4994
4995 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4996
4997         * graphite.c (find_params_in_bb): Look for parameters in conditions.
4998         Do not use walk_dominator_tree.
4999         (find_scop_parameters): Do not use walk_dominator_tree.
5000
5001 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5002
5003         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
5004         (idx_record_params): Adapt.
5005         * graphite.h (scop_gimple_loop_depth): New.
5006
5007 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5008
5009         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
5010         (scan_tree_for_params): Remove value_init.
5011         (build_scop_context): Remove value_init.
5012         (build_loop_iteration_domains): Remove value_init.
5013         (schedule_to_scattering): Remove value_init.
5014         (graphite_trans_bb_strip_mine): Remove value_init.
5015
5016 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5017
5018         * gcc/graphite.c (limit_scops): New.
5019         (graphite_transform_loops): Add limit SCoPs.
5020         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
5021         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
5022         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
5023         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
5024         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
5025         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
5026         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
5027         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
5028         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
5029         Change loop numbers.
5030         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
5031         Change loop numbers.
5032         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
5033         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
5034         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
5035         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
5036         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
5037         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
5038         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
5039         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
5040         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
5041         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
5042
5043 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5044
5045         * graphite.c (graphite_transform_loops): Call always find_transform.
5046
5047 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5048
5049         * graphite.c (free_loops_mapping): New.
5050         (stmt_simple_for_scop_p): Fix typo.
5051         (stmt_simple_for_scop_p): Fix tuples functions, that
5052         broke polyhedron.
5053         (free_graphite_bb): Fix some memleaks.
5054         (free_scop): Fix some memleaks.
5055         (scopdet_bb_info): Do not forget some tmp SCoPs.
5056         (find_params_in_bb): Fix some memleaks.
5057         (clast_to_gcc_expression): Fix warning.
5058
5059 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5060
5061         * testsuite/gcc.dg/graphite/scop-16.c: Fix for 32bit.
5062         * testsuite/gcc.dg/graphite/scop-17.c: Fix for 32bit.
5063
5064 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5065
5066         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
5067         Move code ifdef-ed HAVE_cloog...
5068         * graphite.c: Include toplev.h.
5069         ... here.
5070         * Makefile.in (OBJS-common): Always build graphite.o.
5071         (BACKEND): Remove @GRAPHITE@.
5072         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
5073         (graphite.o): Depend on TOPLEV_H.
5074
5075 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5076
5077         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
5078         Remove typo left from polylib to ppl conversion.
5079         * graphite.c (graphite_transforms): Use sorry instead of fatal.
5080
5081 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5082
5083         * toplev.c (process_options): Move the graphite loop optimization
5084         flags...
5085         * tree-ssa-loop.c (graphite_transforms): ... here.
5086         When not configured with CLooG, print to dump_file that
5087         Graphite transforms were not performed.
5088         * testsuite/gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
5089         New.
5090         * testsuite/gcc.dg/graphite/*.c: Updated all testcases to use
5091         scan-graphite-dump-times.
5092
5093 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5094
5095         * graphite.c (dot_scop, dot_all_scops): Do not call system.
5096         Do not open /tmp/scop.dot and /tmp/allscops.dot.
5097
5098 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
5099             Jan Sjodin  <jan.sjodin@amd.com>
5100
5101         * configure: Regenerated.
5102         * omp-low.c (expand_omp_sections): Remove now unused code.
5103         * config.in (HAVE_polylib): Removed.
5104         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
5105         (PPLLIBS, PPLINC): Added.
5106         * graphite.c: Replace unsigned with int wherever possible.
5107         Don't access Cloog's data structures, but use accessor functions.
5108         Clast's stmt->type is now implemented as a vtable: change the
5109         switches of stmt->type into ifs.
5110         (polylib/polylibgmp.h): Don't include.
5111         (initialize_dependence_polyhedron,
5112         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5113         statement_precedes_p, test_dependence, build_rdg_all_levels,
5114         dump_dependence_graph): Removed until this code is cleaned up
5115         or ported to Cloog.
5116         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
5117         (POLYLIBINC): Renamed PPLINC.
5118
5119 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
5120             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5121             Jan Sjodin  <jan.sjodin@amd.com>
5122
5123         Finish the merge and tuplification of graphite.
5124
5125 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5126             Jan Sjodin  <jan.sjodin@amd.com>
5127
5128         Partial merge from mainline (138072:138275).
5129         * graphite.c still has to be tuplified.
5130
5131 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
5132
5133         * graphite.c (graphite_loops_mapping_max_loop_num): New.
5134         (create_num_from_index): New.
5135         (get_num_from_index): Also pass in the graphite BB.
5136         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
5137         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
5138         (graphite_trans_bb_strip_mine): Call create_num_from_index.
5139         (is_interchange_valid): Return false when failing.
5140         * graphite.h (struct num_map): New.
5141         (struct graphite_bb): New field num_map.
5142         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
5143
5144 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5145
5146         * graphite.c (dump_gbb_conditions): Print also conditions like
5147         "if (a)".  Remove dublicated code and use print_generic_expr ().
5148         (stmt_simple_for_scop_p): Only allow conditions we can handle
5149         {<, <=, >, >=}.
5150
5151 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5152
5153         * graphite.h (struct scop): Removed new_ivs field.
5154         (SCOP_NEWIVS): Deleted.
5155         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
5156         clast_to_gcc_expression, graphite_create_new_loop):
5157         Removed use of new_ivs.
5158
5159 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5160
5161         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
5162         create_loops_mapping_num, debug_loop_mapping_1): New.
5163         (debug_loop_mapping): Call debug_loop_mapping_1.
5164         (get_loop_mapping_for_num,
5165         graphite_loops_mapping_add_child,
5166         graphite_loops_mapping_add_child_num,
5167         graphite_loops_mapping_insert_child,
5168         graphite_loops_mapping_parent,
5169         split_loop_mapped_depth_for_num,
5170         loop_mapped_depth_split_loop): New.
5171         (increment_loop_mapped_depths): Removed.
5172         (swap_loop_mapped_depth_for_num): Reimplemented.
5173         (new_scop): Call create_loops_mapping.
5174         (scop_record_loop): Call graphite_loops_mapping_insert_child.
5175         (translate_clast): Pass the old loop father in parameter, and pass
5176         it to get_old_iv_from_ssa_name.
5177         (remove_edges_around_useless_blocks, can_generate_code_stmt,
5178         can_generate_code, can_generate_for_scop): New.
5179         (graphite_trans_bb_block): Returns false when it fails to transform.
5180         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
5181
5182 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5183
5184         Reverted all the changes related to the streamization and
5185         loop fusion.
5186         These changes are now tracked in the streamization branch.
5187
5188 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5189             Jan Sjodin  <jan.sjodin@amd.com>
5190
5191         * graphite.c (gbb_compare): Correctly constify.
5192         (gbb_can_be_ignored): Indent.
5193         (graphite_trans_scop_swap_1and2): Add legality check.
5194         Remove dead FIXMEs.
5195
5196 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5197
5198         Remove fallouts from "Reverted the Condate changes".
5199         * tree.h: Remove unused decl.
5200         * testsuite/gcc.dg/tree-checker: Same.
5201         * timevar.def: Remove counter.
5202
5203 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5204
5205         * Merge from mainline (135673:138072).
5206
5207         Reverted the MIRO changes (from 2008-04-05) that are now
5208         tracked in the miro branch.
5209         * tree-bounds.c: Removed.
5210         * tree-bounds.h: Removed.
5211
5212         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
5213         are now tracked in the condate branch.
5214         * tree-check.c: Removed.
5215         * tree-match.c: Removed.
5216         * condate.y: Removed.
5217
5218 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5219
5220         * common.opt: New user flag -floop-block, -floop-strip-mine
5221         and -floop-interchange.
5222         * toplev.c (process_options): Enable -fgraphite pass if any one of the
5223         graphite loop optimization flags is turned on.
5224         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
5225         flag_loop_strip_mine and flag_loop_interchange checks before
5226         optimizations.
5227         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
5228         -floop-strip-mine and -floop-interchange.
5229         * testsuite/gcc.dg/graphite/block-0.c: Add -floop-block and remove
5230         -fgraphite.
5231         * testsuite/gcc.dg/graphite/scop-16.c: Ditto.
5232         * testsuite/gcc.dg/graphite/scop-17.c: Ditto.
5233         * testsuite/gcc.dg/graphite/scop-18.c: Ditto.
5234
5235 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
5236             Sebastian Pop  <sebastian.pop@amd.com>
5237
5238         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
5239         (create_empty_loop_on_edge): More fixes.
5240         * tree-phinodes.c (resize_phi_node): Extern.
5241         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
5242         * cfghooks.c (update_dominator_information): New split from
5243         split_edge.
5244         * tree-vectorizer.c (rename_variables_in_bb): Extern.
5245         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
5246         successor of the function entry block.
5247
5248         * graphite.c: Include pointer-set.h.
5249         (debug_loop_mapping, increment_loop_mapped_depths,
5250         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
5251         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
5252         swap_loop_mapped_depth_for_num, get_num_from_index,
5253         swap_loop_mapped_depth, loop_iv_stack_debug,
5254         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
5255         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
5256         get_old_iv_from_ssa_name): New.
5257         (new_scop): Initialize SCOP_LOOPS_MAPPING.
5258         (free_scop): Free SCOP_LOOPS_MAPPING.
5259         (scop_record_loop): Record old ivs.
5260         (create_var_name): Removed.
5261         (initialize_cloog_names): Allocate double space in case strip mine
5262         applies to all loops once.
5263         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
5264         (clast_to_gcc_expression): Same.  Implement more clast to gimple
5265         translation.
5266         (graphite_create_new_loop): Pass in ivstack.
5267         (remove_all_edges): Pass in the construction_edge.
5268         (graphite_remove_iv): Removed.
5269         (graphite_rename_ivs, graphite_rename_ivs_stmt,
5270         remove_cond_exprs): Rewritten.
5271         (move_phi_nodes): New.
5272         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
5273         (translate_clast): Pass in ivstack.  Rewrite some cases.
5274         (set_cloog_options, debug_clast_stmt): New.
5275         (find_transform): Use set_cloog_options.
5276         (outermost_loop_layer): Removed.
5277         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
5278         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
5279         mark_old_loops, remove_dead_loops): New.
5280         (gloog): Rewritten.
5281         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
5282         (const_column_index, get_first_matching_sign_row_index,
5283         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
5284         get_upper_bound): New.
5285         (graphite_trans_bb_strip_mine): Also update the iv map.
5286
5287         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
5288         (struct name_tree): Add a loop field.
5289         (struct scop): Add a graphite_loops_mapping field.
5290         (SCOP_LOOPS_MAPPING): New.
5291         (debug_clast_stmt): Declare.
5292         * lambda.h (find_induction_var_from_exit_cond): Declare.
5293         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
5294         * cfgloop.h (update_dominators_in_loop): Removed declaration.
5295         (create_empty_loop_on_edge): Updated.
5296         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
5297         rename_variables_in_bb): Declare.
5298         * tree-cfg.c (remove_bb): Extern.
5299
5300         * testsuite/gcc.dg/graphite/block-0.c: New.
5301
5302 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5303             Sebastian Pop  <sebastian.pop@amd.com>
5304
5305         * graphite.c (strip_mine_profitable_p): New.
5306         (graphite_trans_bb_block): Disable strip mining if not profitable.
5307
5308         * testsuite/gcc.dg/graphite/scop-18.c: New.
5309         * testsuite/gcc.dg/graphite/scop-17.c: Fixed.
5310         * testsuite/gcc.dg/graphite/scop-16.c: Fixed.
5311
5312 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
5313             Jan Sjodin  <jan.sjodin@amd.com>
5314             Sebastian Pop  <sebastian.pop@amd.com>
5315
5316         * graphite.c (is_interchange_valid): New.
5317         (graphite_trans_bb_block): Check loop nest of basic block for legality
5318         of interchange.
5319
5320         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
5321         outer_most_loop, gbb_outer_most_loop_index): New.
5322
5323         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
5324         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
5325         * testsuite/gcc.dg/graphite/scop-16.c: New.
5326         * testsuite/gcc.dg/graphite/scop-17.c: New.
5327
5328 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5329
5330         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
5331         (graphite_trans_scop_block): Ignore SCoPs without bbs.
5332
5333 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5334
5335         * graphite.c (new_scop): Initialize SCOP_EXIT.
5336         (scopdet_info): Add.
5337         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
5338         (build_scops_1): Cleanup, bugfixes.
5339         (build_scops): Cleanup.
5340
5341         * testsuite/gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
5342         * testsuite/gcc.dg/graphite/scop-15.c: Add SCoP numbers.
5343
5344 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5345
5346         * testsuite/gfortran.dg/graphite/scop-1.f: Update to reduced test case.
5347
5348         * testsuite/gfortran.dg/graphite/graphite.exp: Use
5349         DEFAULT_GRAPHITE_FLAGS.
5350
5351         * testsuite/gcc.dg/graphite/scop-15.c: Update to reduced test case.
5352
5353 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5354
5355         * graphite.c (scan_tree_for_params): Do not assert any more if
5356         MULT_EXPR parameter is negative.
5357
5358         * testsuite/gfortran.dg/graphite/scop-1.f: New.
5359
5360         * testsuite/gfortran.dg/graphite/graphite.exp: New.
5361
5362         * testsuite/gcc.dg/graphite/scop-15.c: New.
5363
5364 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5365
5366         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
5367
5368 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5369
5370         * graphite.c (graphite_trans_bb_swap_loops): Rename from
5371         graphite_swap_loops.
5372         (graphite_trans_bb_move_loop): New.
5373         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
5374         (graphite_trans_bb_block): New.
5375         (graphite_trans_loop_block): New.
5376         (graphite_trans_scop_swap_1and2): Rename from
5377         graphite_trans_swap_1and2.
5378         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
5379         (graphite_trans_scop_block): New.
5380         (graphite_apply_transformations): Rename from
5381         graphite_transformations.
5382
5383         * testsuite/gcc.dg/graphite/scop-matmult.c: New.
5384
5385 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5386
5387         * graphite.c (gbb_compare): New.
5388         (graphite_sort_gbbs): New.
5389         (gbb_can_be_ignored): New.
5390         (scop_remove_ignoreable_gbbs): New.
5391         (graphite_transformations): Cleanup and add
5392         scop_remove_ignoreable_gbbs.
5393         * lambda.h (lambda_vector_compare): New.
5394
5395 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5396
5397         * graphite.c (print_graphite_bb): Correct printing of static schedule.
5398         (graphite_swap_loops): int -> unsigned
5399         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
5400         (graphite_transformations): New.
5401         (graphite_transform_loops): Move to graphite_transformations.
5402         * graphite.h (gbb_nb_loops): Return unsigned.
5403
5404 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5405
5406         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
5407         the domain matrix.  This makes scop-0.c work again.
5408
5409 2008-06-20  Richard Guenther  <rguenther@suse.de>
5410
5411         * graphite.h: Adjust copyright to GPLv3.
5412         * graphite.c: Likewise.
5413         (stmt_simple_memref_for_scop_p): Split out from ...
5414         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
5415         and simplify.
5416         (get_bb_type): Optimize.
5417         (is_pred): Remove.
5418         (is_bb_addable): Fix memleak, replace is_pred call with
5419         single_pred.
5420         (build_scops): Use current_loops.
5421         (param_index): Fix memleak.
5422
5423 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5424
5425         * graphite.c: Fix formatting.
5426
5427 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5428
5429         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
5430         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
5431         (create_var_name, save_var_name): Newly defined functions.
5432         (initialize_cloog_names): Part of the code factored out to
5433         save_var_name.
5434         (clast_to_gcc_expression): Now handles the case of clast_red_sum
5435         in clast_reduction statement.
5436         (graphite_create_new_loop): Now takes a new parameter
5437         for outer_loop.
5438         (translate_clast): Now also takes the context_loop and bb_exit
5439         parameters. Rewritten the code so that it creates a gimple code
5440         inside the given context.
5441         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
5442         remove_cond_expr, disconnect_cond_expr,
5443         disconnect_virtual_phi_nodes): Newly defined functions.
5444         * graphite.h (struct scop): added old_ivs vector.
5445         SCOP_OLDIVS: New macro.
5446
5447 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
5448
5449         * cfgloopmanip.c: Add missing function comments, fix formatting.
5450
5451 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5452
5453         * cfgloopmanip.c (update_dominators_in_loop): Defined.
5454         (create_empty_loop_on_edge): Defined.
5455         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
5456         instead of void.
5457         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
5458         (update_dominators_in_loop): Declared as extern
5459         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
5460
5461 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5462
5463         * graphite.c (print_graphite_bb): Allow changing number of loops
5464         in SCoP domain.
5465         (initialize_cloog_names): Allow changing number of loops.
5466         (build_cloog_prog): Simplify.
5467         (find_transform): Enable cloog option --strides.
5468         (graphite_swap_loops): New.
5469         (graphite_strip_mine_loop): New.
5470         (graphite_trans_swap_1and2): New.
5471         (graphite_trans_strip): New.
5472         (graphite_transform_loops): Add graphite_trans_strip.
5473         * graphite.h (scop_max_loop_depth): New.
5474
5475 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5476
5477         * graphite.c (build_scop_iteration_domain): Remove forgotten
5478         line. (Fixes compile)
5479
5480 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5481
5482         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
5483         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
5484         (build_bb_loops): New.
5485         (graphite_transform_loops): Add build_bb_loops.
5486         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
5487         numbers.
5488         * graphite.h (graphite_bb): Add loops.
5489         (gbb_nb_loops): New.
5490         (gbb_loop_at_index): New.
5491         (gbb_loop_index): New.
5492         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
5493         using nb_params_in_scop.
5494
5495 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5496
5497         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
5498         (build_scop_canonical_schedules): Build minimized schedule.
5499         (schedule_to_scattering): Adapt to minimized schedule.
5500         * graphite.h (graphite_bb): Add/Update descriptions.
5501
5502 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
5503             Tobias Grosser  <grosser@fim.uni-passau.de>
5504
5505         * graphite.c (print_graphite_bb): Add condition printing.
5506         (dump_value): New.
5507         (dump_gbb_conditions): New.
5508         (build_scop_conditions_1): New.
5509         (build_scop_conditions): New.
5510         * graphite.h (graphite_bb): Add conditions.
5511
5512 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5513
5514         * graphite.c (print_graphite_bb):
5515         (free_graphite_bb): New.
5516         (free_scop): Free bbs.
5517         (get_bb_type): Free doms.
5518         (build_scop_context): Free context matrix.
5519         (build_loop_iteration_domains): Remove unused code.
5520         (build_cloog_prog): Free scattering function and blocklist.
5521         (find_transform): Free options.
5522
5523 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5524
5525         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
5526         Remove unnecessery cloog data structures. Make a copy of the domain
5527         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
5528         unnecessary cloog data structures. Fix memory leaks. Remove insert
5529         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
5530         used.
5531         (build_scop_iteration_domain): Remove unnecessary cloog
5532         data structures.  Fix memory leaks.
5533         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
5534         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
5535
5536 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5537
5538         * graphite.c (find_scop_params): Remove initialize_cloog_names.
5539
5540 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5541
5542         * graphite.c (end_scop): Style fix.
5543         (schedule_to_scattering): Style and comment fix.
5544
5545 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5546         * graphite.c (print_graphite_bb): Fix definiton of
5547         schedule_to_scattering.
5548         (initialize_cloog_names): Change nb_scattdims to max loop
5549         depth in SCoP.
5550         (schedule_to_scattering): Take parameter for number of scattering
5551         dimensions.
5552         (build_cloog_prog): Only build as much scattering dimensions as
5553         necessary.
5554
5555 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5556
5557         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
5558         in polyhedron/aermod.f90.
5559
5560 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5561             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
5562             Harsha Jagasia  <harsha.jagasia@amd.com>
5563
5564         * graphite.c (is_bb_addable): Fix segfault.
5565
5566 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5567
5568         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
5569         with multiple exits and conditional handling in edge cases.
5570         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
5571
5572         * testsuite/gcc.dg/graphite/scop-14.c: New.
5573
5574 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5575             Adrien Eliche  <aeliche@isty.uvsq.fr>
5576
5577         * graphite.c (is_bb_addable): Add more comments and enhance
5578         readablity of the source code. Fix memory leak.
5579         (is_loop_exit): Fix memory leak.
5580
5581 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5582
5583         * graphite.c (first_loop_in_scop): Deleted.
5584         (setup_cloog_loop): Only walk the loop chain for inner loops.
5585         (build_scop_iteration_domain): Execute setup_cloog_loop for
5586         all loops in the first layer.
5587
5588 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5589
5590         * graphite.c (scan_tree_for_params): Change the way params are
5591         added to be indepenent of the number of loops.
5592         (setup_cloog_loop): Revert to short matrix format. Fix parameter
5593         handling.
5594         (build_cloog_prog): Revert to short matrix format.
5595
5596 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5597             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
5598
5599         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
5600         warning.
5601
5602 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5603
5604         * graphite.c (nb_data_refs_in_scop): New.
5605         (graphite_transform_loops): Print more stats: number of
5606         loops, basic blocks and data references per scop.
5607
5608 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5609             Jan Sjodin  <jan.sjodin@amd.com>
5610
5611         * graphite.c (loop_affine_expr, idx_record_params,
5612         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
5613         instead of instantiate_parameters.
5614
5615 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5616
5617         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
5618         add support for parameters, add STATIC_SCHEDULE at the right places,
5619         cleanup.
5620
5621 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5622
5623         * graphite.c (build_scop_loop_nests): Only add the loops, that
5624         are contained completely in the SCoP.
5625         (build_cloog_prog): Disable scattering, until schedule_to_scattering
5626         and the domains are fixed.
5627         (build_scop_canonical_schedules): Add support for bbs not contained
5628         in any SCoP.
5629
5630 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5631
5632         * graphite.h (scop_contains_loop): Update comments to match
5633         the actual behavior.
5634         (scop_contains_loop): New.
5635         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
5636
5637 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5638
5639         * graphite.c (get_bb_type): On function body, i.e. loop_0,
5640         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
5641         as GBB_COND_HEADER.
5642
5643 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5644             Tobias Grosser  <grosser@fim.uni-passau.de>
5645
5646         * graphite.c (graphite_transform_loops): Early return when
5647         there are no loops in the function.
5648
5649 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5650             Jan Sjodin  <jan.sjodin@amd.com>
5651
5652         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
5653         offset of the last loop.
5654         (setup_cloog_loop): Copy the entire outer constraint matrix.
5655
5656 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5657             Jan Sjodin  <jan.sjodin@amd.com>
5658
5659         * graphite.c (stmt_in_scop_p, function_parameter_p,
5660         invariant_in_scop_p): Removed.
5661         (scan_tree_for_params): Can be used with no constraint
5662         matrix for gathering parameters.
5663         (idx_record_params): Don't use idx_record_param, instead use
5664         scan_tree_for_params.
5665         (find_scop_parameters): Same.
5666         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
5667         Fix the size of loop domains.
5668         (schedule_to_scattering): Exit when the outer loop is not in scop.
5669         (find_transform): Enable build_cloog_prog.
5670
5671 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5672             Jan Sjodin  <jan.sjodin@amd.com>
5673
5674         * graphite.c (schedule_to_scattering): Make scattering domains
5675         uniformly of the same size, as required by CLooG 0.14.0 and before.
5676
5677 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5678             Jan Sjodin  <jan.sjodin@amd.com>
5679
5680         * graphite.c (schedule_to_scattering): Rewrite, correct the
5681         translation of the scheduling function to scattering.
5682         (build_cloog_prog): Call schedule_to_scattering only once.
5683         * graphite.h (scop_loop_index): Do not fail for loops not
5684         in the scop: return -1.
5685
5686 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
5687
5688         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
5689         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
5690         (setup_cloog_loop): Export GBB_DOMAIN.
5691         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
5692         able to rebuild the original control flow.
5693         * graphite.h (graphite_bb): Add domain field and access macro.
5694         (GBB_DOMAIN): New.
5695
5696 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5697
5698         * graphite.c (debug_gbb): New.
5699         (print_scop, build_graphite_bb): Use SCOP_BBS.
5700         (build_scop_bbs): Reimplemented.
5701         (dfs_bb_in_scop_p): Removed.
5702         (build_scop_loop_nests): Reorder loops inserted in
5703         SCOP_LOOP_NEST: outer loops should come first.
5704         (build_scop_canonical_schedules): Reinitialize at zero
5705         the components of the SCOP_STATIC_SCHEDULE for the loops
5706         that have already been parsed.
5707
5708         * graphite.h (debug_gbb): Declared.
5709
5710 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5711             Jan Sjodin  <jan.sjodin@amd.com>
5712
5713         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
5714         (graphite_loop_to_gcc_loop): Removed.
5715         (remove_all_edges): New.
5716         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
5717         (gloog): Remove useless code.
5718
5719 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5720
5721         * graphite.c (get_bb_type): Reworked. We distinguish between
5722         loops with one or multiple exits.
5723         (is_loop_exit): New.
5724         (is_pred): New.
5725         (is_bb_addable): Rework condition handling, now support for case
5726         case statements and loops with multiple exits.
5727
5728         * testsuite/gcc.dg/graphite/scop-11.c: New.
5729         * testsuite/gcc.dg/graphite/scop-12.c: New.
5730         * testsuite/gcc.dg/graphite/scop-13.c: New.
5731
5732 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5733
5734         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
5735         we have too many colors.
5736
5737 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
5738
5739         * doc/invoke.texi (-ftree-loop-fusion): Document.
5740         * tree-pass.h (pass_loop_fusion): Declared.
5741         * tree-loop-fusion.c: New.
5742         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
5743         * tree-data-ref.c (find_data_references_in_loop): Make extern.
5744         * tree-data-ref.h (find_data_references_in_loop): Declared.
5745         * common.opt (ftree-loop-fusion): Declared.
5746         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
5747
5748 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
5749
5750         * graphite.c (build_access_matrix): Fix typo from the merge.
5751
5752 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
5753
5754         * Merge from mainline (130800:135673).
5755
5756 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5757
5758         * graphite.c (end_scop): The exit of the scop is not part of the scop.
5759         Update dominators after splitting.
5760
5761 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5762
5763         * graphite.c (is_bb_addable): Return the harmful statement.
5764         Factor up some code.
5765         (end_scop): New.  Splits end of scope bbs on a harmful statement.
5766         (build_scops_1): Call end_scop.
5767
5768 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5769
5770         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
5771         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
5772         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
5773         build_scops_1): Removed.
5774         (build_scops_2): Renamed build_scops_1.
5775
5776 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5777
5778         * graphite.c: Fix formatting.
5779
5780 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5781
5782         * graphite.c (get_bb_type): New.
5783         (move_scops): New.
5784         (build_scops_2): New.
5785         (is_bb_addable): New.
5786         (build_scops): Switch the scop detection.
5787         (build_scop_bbs): Add entry bb to scop.
5788         * graphite.h (struct scop): Update comment.
5789
5790 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5791
5792         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
5793         more colors.
5794
5795 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5796
5797         * testsuite/gcc.dg/graphite/scop-1.c: Update.
5798         * testsuite/gcc.dg/graphite/scop-2.c: Update.
5799         * testsuite/gcc.dg/graphite/scop-4.c: Update.
5800         * testsuite/gcc.dg/graphite/scop-5.c: Add.
5801         * testsuite/gcc.dg/graphite/scop-6.c: Add.
5802
5803 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5804
5805         * testsuite/gcc.dg/graphite/scop-0.c: Add.
5806         * testsuite/gcc.dg/graphite/scop-7.c: Add.
5807         * testsuite/gcc.dg/graphite/scop-8.c: Add.
5808         * testsuite/gcc.dg/graphite/scop-9.c: Add.
5809         * testsuite/gcc.dg/graphite/scop-10.c: Add.
5810
5811 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5812
5813         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
5814         Check affine expressions depending on the outermost loop
5815         instead of a scop.
5816         (stmt_simple_for_scop_p): Same.
5817         (harmfule_stmt_in_scop): Same.
5818
5819 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5820
5821         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
5822         mark entry and exit, that are not part of the SCoP and update HTML
5823         formatting.
5824
5825 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
5826
5827         * graphite.c (basic_block_simple_for_scop_p): Renamed
5828         harmful_stmt_in_bb.
5829         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
5830         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
5831         (all_preds_visited_p, all_succs_visited_p,
5832         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
5833         scop_end_loop): New.
5834         (build_scops): Do not use dfs_enumerate_from.
5835
5836         * testsuite/gcc.dg/graphite/scop-{1,2,4}.c: Updated.
5837
5838 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5839
5840         * graphite.c: Add comments to functions that are missing a
5841         description.
5842         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
5843
5844 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5845
5846         * graphite.c (nb_params_in_scop): Moved...
5847         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
5848         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
5849         (clast_to_gcc_expression): Reduce column size to less than 80.
5850         (graphite_create_iv): Return the new name of the IV.
5851         (find_transform): Set options->esp and options->cpp.
5852         (gloog): Comment out the invalidation of the old loop code.
5853         (initialize_dependence_polyhedron): Replace scop_nb_params with
5854         nb_params_in_scop.
5855
5856         * graphite.h (nb_params_in_scop): ... here.
5857         (scop_nb_params): Removed.
5858         (loop_domain_dim): Return something even when the loop was not
5859         found in the hash table: avoid ICEing on all the graphite.exp
5860         testcases.
5861
5862 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5863
5864         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
5865
5866         * graphite.c (build_scop_dynamic_schedules): Schedule is built
5867         according to nesting level.
5868         (find_scop_parameters): Call instantiate_parameters.
5869         (scan_tree_for_params): Extend it to handle general affine bounds.
5870         Inner loop bound can depend on outer loop induction variable.
5871         (setup_cloog_loop): tmp variable is allocated on stack. Call
5872         instantiate_parameters with respect to outermost_loop_in_scop.
5873         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
5874         graphite.h.
5875         (create_empty_loop): Function loopify should be given edge
5876         probability, instead of edge frequency. Dominance relation from
5877         switch_bb to loop_header.
5878         (clast_to_gcc_expression): Added handling of clast_reduction node.
5879         (gloog): New functionality for removing old loop.
5880         (test_dependence): Factored out from build_rdg_all_levels.
5881         (build_rdg_all_levels): Dependence testing factored out to
5882         test_dependence function.
5883
5884         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
5885         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
5886         from graphite.c
5887
5888 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5889
5890         * graphite.c (free_scop, param_index, initialize_cloog_names,
5891         nb_params_in_scop): Use name_tree map instead of just a tree
5892         for keeping track of the variable name associated to that tree.
5893         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
5894         clast_to_gcc_expression, graphite_create_iv,
5895         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
5896         graphite_stmt_to_gcc_stmt): New.
5897         (gloog): Call these.
5898         * graphite.h (struct name_tree): New.
5899         (struct scop): Use name_tree instead of tree for params.
5900         Store a vector of name_tree for new_ivs.
5901         (SCOP_NEWIVS): New.
5902         (scop_nb_params): Use name_tree instead of tree.
5903
5904 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
5905             Sebastian Pop  <sebastian.pop@amd.com>
5906
5907         * tree-bounds.c: New.
5908         * tree-bounds.h: New.
5909         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
5910         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
5911         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
5912         flag_mudflap.
5913         * gcc.c: Same.
5914         * toplev.c: Same.
5915         * c-cppbuiltin.c: Same.
5916         * c-pragma.c: Same.
5917         * common.opt: Same.
5918         * varasm.c: Same.
5919         * tree-outof-ssa.c: Same.
5920         * c-common.c: Same.
5921         * Makefile.in: Same.
5922
5923 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
5924             Sebastian Pop  <sebastian.pop@amd.com>
5925
5926         * tree-loop-distribution.c (remaining_stmts,
5927         upstream_mem_writes): Removed static variables.
5928         (copy_loop_before, create_bb_after_loop,
5929         mark_nodes_having_upstream_mem_writes, free_rdg_components,
5930         rdg_build_components, rdg_build_partitions,
5931         dump_rdg_partitions): Extern.
5932         (generate_loops_for_partition, generate_code_for_partition): Do not
5933         return a bool.
5934         (already_processed_vertex_p, predecessor_has_mem_write,
5935         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
5936         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
5937         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
5938         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
5939         Pass remaining_stmts and upstream_mem_writes as parameters.
5940         (rdg_component): Moved...
5941         (build_rdg_partition_for_component): Do not aggregate components when
5942         flag_streamize_loops is set.
5943         (gen_sequential_loops): New.
5944         (ldist_gen): Call gen_sequential_loops.
5945
5946         * tree-pass.h (pass_loop_streamization): Declared.
5947
5948         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
5949         basic blocks when loops structures exist.
5950
5951         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
5952
5953         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
5954
5955         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
5956         eliminate_local_variables_stmt, eliminate_local_variables,
5957         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
5958         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
5959         of code delimited by two edges in the CFG.
5960         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
5961         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
5962         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
5963         the case of parallelisation of reductions.
5964         (create_loop_fn): Extern.
5965         (create_omp_parallel_region): New.
5966
5967         * tree-data-ref.c (dump_data_dependence_relation): Don't call
5968         dump_data_reference for printing dra and drb.
5969         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
5970         RDGE_RELATION.
5971         (build_rdg): Don't call free_dependence_relations for the moment, as
5972         we attach dependence relations on each edge of the RDG.
5973         To be fixed later.
5974
5975         * tree-data-ref.h (rdg_component): ...here.
5976         (struct rdg_edge): New field ddr_p relation.
5977         (RDGE_RELATION): New.
5978         (create_bb_after_loop, copy_loop_before,
5979         mark_nodes_having_upstream_mem_writes, rdg_build_components,
5980         rdg_build_partitions, dump_rdg_partitions,
5981         free_rdg_components): Declared.
5982
5983         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
5984         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
5985
5986         * tree-loop-streamization.c: New.
5987
5988         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
5989         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
5990
5991         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
5992
5993         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
5994
5995         * passes.c: Schedule pass_loop_streamization.
5996
5997 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
5998
5999         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
6000         update comment.
6001
6002 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6003
6004         * graphite.c (dot_all_scops): Update formatting.
6005         Bbs can now be part of more than one SCoP.
6006
6007 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
6008
6009         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
6010         malloc problems.
6011         (loop_domain_dim): Check for unregistered toplev SCOP loop.
6012         * graphite.h (loop_to_cloog_loop): New.
6013
6014 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6015
6016         * graphite.c (loop_domain_dim, ref_nb_loops,
6017         loop_iteration_vector_dim): New.
6018         (build_access_matrix_with_af, build_access_matrix,
6019         initialize_dependence_polyhedron): Fixed for new matrix layout.
6020         No longer assume that all iteration domains are of the same
6021         dimensionality.
6022
6023 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
6024
6025         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
6026         defined in a loop at depth 0 is invariant.
6027         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
6028         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
6029         be called at loop depth 0.
6030
6031         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
6032         a parameter.
6033         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
6034         (down_open_scop): Removed.
6035         (loop_in_scop_p): Redefined.
6036         (scop_affine_expr): New argument: scop.
6037         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
6038         a harmful statement ending a scop.
6039         (basic_block_simple_for_scop_p): New argument: scop.
6040         (get_loop_start): Removed.
6041         (new_scop): Initialize SCOP_LOOPS.
6042         (free_scop): Free SCOP_LOOPS.
6043         (succs_at_same_depth, preds_at_same_depth): New.
6044         (end_scop): Test the validity of a scop.
6045         (add_dominators_to_open_scops): New.
6046         (test_for_scop_bound): Call add_dominators_to_open_scops.
6047         Add cases for opening and closing multiple scops.
6048         (build_scops, build_scop_bbs): Iterate over basic blocks in
6049         depth first order.
6050         (build_graphite_bb): Pass scop directly.
6051         (dfs_bb_in_scop_p): New.
6052         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
6053         several times.
6054         (nb_loops_around_gb): Use loop_in_scop_p.
6055         (schedule_to_scattering): Disabled for the moment the code computing
6056         the "textual order for outer loop".
6057
6058         * graphite.h (struct scop): New field loops.
6059         (SCOP_LOOPS): New.
6060         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
6061
6062         * testsuite/gcc.dg/graphite/scop-{1,...,7}.c: Updated.
6063
6064 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
6065             Sebastian Pop  <sebastian.pop@amd.com>
6066
6067         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
6068         * common.opt (fstreamize-loops): New.
6069         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
6070         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
6071         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
6072         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
6073
6074 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6075
6076         * tree-data-ref.c (build_empty_rdg): New.
6077         (build_rdg): Use it.
6078         * tree-data-ref.h (build_empty_rdg): Declared.
6079         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
6080         (find_vertex_for_stmt): Removed.
6081         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
6082
6083 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
6084
6085         * tree-loop-distribution.c (generate_builtin): After cancelling the
6086         loop tree, also delete basic blocks.
6087         (rdg_flag_uses): Stop recursion when a vertex has already been
6088         processed.
6089
6090 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6091
6092         * graphite.c (build_scop_alpha): Removed.
6093         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
6094         and dump_dependence_graph to avoid compiler warnings.
6095
6096 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6097
6098         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
6099         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
6100         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6101         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
6102         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
6103         (initialize_dependence_polyhedron, find_vertex_for_stmt,
6104         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6105         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
6106         dump_dependence_graph): New.
6107         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
6108         (GBB_ALPHA): New.
6109         (struct scop): New field loop2cloog_loop.
6110         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
6111         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
6112
6113 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6114
6115         * graphite.c (build_graphite_bb): Fix initialization
6116         of the graphite basic block.
6117
6118 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
6119
6120         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
6121         loop domain matrix.  Pass in the number of loops contained in the
6122         constraint matrix.
6123         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
6124         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
6125         loops that are not surrounding the current loop are not represented
6126         in the domain constraint matrix.
6127         (build_scop_iteration_domain): Initial domain constraint matrix
6128         contains only the eq/ineq, cst, and scop parameters columns.
6129
6130 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6131
6132         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
6133         (print_graphite_bb): Print scattering.
6134
6135 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6136
6137         * graphite.c (initialize_cloog_names): Initialize names of
6138         scattering variables.
6139
6140 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6141
6142         * graphite.c (dot_all_scops_1): Disable debug output while
6143         printing graph.
6144
6145 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6146
6147         * graphite.c (find_transform): Change cloog output language to C.
6148
6149 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
6150
6151         * tree-loop-distribution.c (generate_memset_zero,
6152         generate_builtin, generate_code_for_partition,
6153         rdg_flag_all_uses): New.
6154         (rdg_flag_uses): Gather in the same partition the statements defining
6155         the VUSES of the current statement.
6156         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
6157         Gather in the same partition not only the stores to the same memory
6158         access, but also the reads.
6159         (ldist_generate_loops): Renamed ldist_gen.
6160
6161 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6162             Tobias Grosser  <grosser@fmi.uni-passau.de>
6163
6164         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
6165         next pointer, don't use the inner pointer.
6166
6167 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
6168
6169         * graphite.c (dot_all_scops, dot_all_scops_1): New.
6170         (find_transform): Call dot_all_1.
6171         * graphite.h (dot_all_scops): Declared.
6172
6173 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
6174
6175         * tree-loop-distribution.c: Fix apsi.f ICE.
6176         (create_bb_after_loop): New.
6177         (generate_loops_for_partition): Use it.
6178         * testsuite/gfortran.dg/ldist-1.f90: New.
6179
6180         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
6181         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
6182
6183 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6184
6185         * graphite.c (find_transform): Dump cloog program sent to cloog.
6186
6187 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6188
6189         * graphite.c (initialize_cloog_names): Initialize cloog
6190         iterator names.
6191
6192 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6193
6194         * graphite.c (build_scop_context): Fix typo, for the matrix
6195         format: insert '0 >= 0' instead of '-1 >= 0'.
6196
6197 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6198
6199         * Fix merge problems.
6200
6201 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6202
6203         * graphite.c (setup_cloog_loop): Fix typo.
6204
6205 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6206
6207         * doc/invoke.texi (-ftree-loop-distribution): Documented.
6208         * tree-loop-distribution.c: Reimplemented.
6209         * tree-pass.h (pass_loop_distribution): New.
6210         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
6211         print_loops.
6212         * graphds.h (struct graph): New field indexes.
6213         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6214
6215         * tree-vect-analyze.c: Remove declaration of static functions when not
6216         needed.
6217         * tree-vectorizer.c: Same.
6218         (rename_variables_in_loop): Now extern.
6219         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
6220         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
6221         calling redirect_edge_and_branch_force.
6222
6223         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6224
6225         * tree-data-ref.c: Don't include tree-chrec.h.
6226         (debug_data_dependence_relations): New.
6227         (dump_data_dependence_relation): Call dump_data_reference on data refs
6228         in the relation.
6229         (same_access_functions): Moved...
6230         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6231         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6232         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6233         struct rdg_vertex_info, ): New.
6234         (create_rdg_edge_for_ddr): Compute the dependence level before looking
6235         at DDR_REVERSED_P.
6236         (create_rdg_vertices): Initialize the htab of graph->indexes.
6237         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
6238         (stmts_from_loop): Don't save LABEL_EXPR.
6239         (hash_stmt_vertex_info, eq_stmt_vertex_info,
6240         hash_stmt_vertex_del): New.
6241         (build_rdg): Initialize rdg->indexes.
6242         (free_rdg, stores_from_loop, ref_base_address,
6243         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6244         have_similar_memory_accesses_1, ref_base_address_1,
6245         remove_similar_memory_refs): New.
6246
6247         * tree-data-ref.h: Include tree-chrec.h.
6248         (debug_data_dependence_relations): Declared.
6249         (same_access_functions): ...here.  Now static inline.
6250         (ddr_is_anti_dependent, ddrs_have_anti_deps,
6251         ddr_dependence_level): New.
6252         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
6253         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
6254         RDG_MEM_READS_STMT): New.
6255         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6256         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6257         rdg_vertex_for_stmt): Declared.
6258         (struct rdg_edge): New field level.
6259         (RDGE_LEVEL, free_rdg): New.
6260         (stores_from_loop, remove_similar_memory_refs,
6261         rdg_defs_used_in_other_loops_p,
6262         have_similar_memory_accesses): Declared.
6263         (rdg_has_similar_memory_accesses): New.
6264
6265         * lambda.h (dependence_level): New.
6266         * common.opt (ftree-loop-distribution): New.
6267         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
6268         (print_loop_ir): Renamed print_loops.
6269         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
6270         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
6271         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
6272         (tree-loop-distribution.o): Added.
6273         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6274         (mark_virtual_ops_in_bb): New.
6275         (print_loops_bb, debug_loop_num, debug_loop): New.
6276         * passes.c: Scheduled pass_loop_distribution.
6277
6278 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6279
6280         * graphite.c (scan_tree_for_params): Correct the number of columns
6281         for polylib format.
6282         (nb_flat_iterator): New.
6283         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
6284         (build_scop_iteration_domain): Correct the number of columns for
6285         polylib format.
6286
6287 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6288
6289         * Merge from mainline (129697:130800).
6290
6291 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
6292
6293         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
6294         dominated by SCoP's exit.
6295         (graphite_transform_loops): Compute post dominators.
6296
6297 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6298
6299         * Merge from mainline (127169:129697).
6300
6301 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6302
6303         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
6304         parameter for the basic block that contains the expression.  Use
6305         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
6306         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
6307         the expression.
6308         * graphite.h (gbb_loop): New.
6309         (GBB_LOOP): Removed.
6310
6311 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6312
6313         * Makefile.in: Fix merge problem.
6314
6315 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6316
6317         * Merge from mainline (125309:127169).
6318         * tree-loop-distribution.c: Disabled.
6319
6320 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
6321
6322         * Merge from mainline (r123693:125309).
6323
6324 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
6325
6326         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
6327         correct_modify_p
6328         (correct_modify_p, check_statements, number_of_lvalue_uses,
6329         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
6330         instead of MODIFY_EXPR.
6331         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
6332         and push new edges.
6333
6334 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
6335
6336         * tree-loop-distribution.c (struct rdg): Replace arrays by
6337         VECs for edges and vertices.
6338         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
6339         (RDGV_NB_PARTITIONS): New.
6340         (PRDG_NBV, PRDG_NBE): Removed.
6341         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
6342         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
6343         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
6344
6345 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
6346             Sebastian Pop  <sebpop@gmail.com>
6347
6348         * doc/invoke.texi (-ftree-loop-distribution): Document.
6349         * tree-loop-distribution.c: New file.
6350         * tree-pass.h (pass_loop_distribution): Declared.
6351         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6352         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
6353         and set reversed_p.
6354         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
6355         (DDR_REVERSED_P): New.
6356         * common.opt (-ftree-loop-distribution): New.
6357         * tree-flow.h (distribute_loops): Declared.
6358         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
6359         * passes.c (init_optimization_passes): Schedule loop distribution.
6360
6361 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
6362
6363         * graphite.c (print_graphite_bb): Don't call dump_data_references.
6364         (print_scop): Don't print when scop is NULL.
6365         (build_scop_context, find_transform): Don't output to stderr.
6366
6367 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
6368
6369         * tree-data-ref.c: Don't include graphite.h.
6370         Comment out the code for printing data reference's scop.
6371         (build_access_matrix_with_af): Moved...
6372         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
6373         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
6374         (print_graphite_bb): Print basic block's schedule.
6375         (print_scop): Don't print the schedule, call cloog's pretty printer.
6376         (bb_in_scop_p): A basic block is in a scop only if it is both
6377         dominated and postdominated by the scop's entry and exit basic blocks.
6378         (function_parameter_p): New.
6379         (invariant_in_scop_p): Use function_parameter_p.
6380         (new_scop, save_scop): New.
6381         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
6382         save_scop.
6383         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
6384         (loop_in_scop_p): New.
6385         (scop_record_loop): Use loop_in_scop_p.
6386         (build_scop_domain): Renamed build_scop_iteration_domain.
6387         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
6388         nb_params_in_scop, build_scop_context, first_loop_in_scop,
6389         setup_cloog_loop, dot_scop_1, dot_scop): New.
6390         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
6391         (struct scop): Add a pointer to cloog's representation of a program.
6392
6393 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6394
6395         * doc/invoke.texi (-ftree-check-verbose): Renamed
6396         -ftree-checks-verbose.
6397         * common.opt (flag_tree_check_verbose): Renamed
6398         flag_tree_checks_verbose.
6399         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
6400
6401 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6402
6403         * configure: Regenerated.
6404         * config.in: Regenerated.
6405         * tree-ssa-loop.c (graphite_transforms): Execute
6406         graphite_transform_loops only when HAVE_cloog.
6407         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
6408         * graphite.c: Include polylibgmp.h and cloog.h.
6409         (graphite_transform_loops): Removed loops parameter.
6410         * tree-flow.h (graphite_transform_loops): Update declaration.
6411         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
6412         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
6413         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
6414         (OBJS-common): Remove dependence on graphite.o.
6415         (BACKEND): Depend on @GRAPHITE@.
6416
6417 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
6418
6419         * doc/invoke.texi (-ftree-check-verbose): Documented.
6420         * testsuite/gcc.dg/tree-checker/tree-checks-1.c: New.
6421         * testsuite/gcc.dg/tree-checker/tree-checks-2.c: New.
6422         * testsuite/gcc.dg/tree-checker/tree-checks-3.c: New.
6423         * testsuite/gcc.dg/tree-checker/tree-checks-4.c: New.
6424         * testsuite/gcc.dg/tree-checker/tree-checks.exp: New.
6425         * testsuite/gcc.dg/tree-checker/condates.crp: New.
6426         * common.opt (ftree-checks-verbose): New.
6427         * tree-check.c (tree_check_warning): Move extra stderr output
6428         under control of flag_tree_check_verbose.
6429
6430 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
6431
6432         * tree-match.c: Fix comments formatting.
6433         * tree-match.h: Fix comments formatting.
6434         * tree-check.c: Fix comments formatting.
6435         (tree_check_init): Restructure.
6436
6437 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
6438
6439         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
6440
6441 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
6442
6443         * Merge from mainline (r120733:123693).
6444
6445 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
6446
6447         * condate.y: New file.
6448         * tree-match.h (struct patt_info_s): New field sign.
6449         (struct condate_s): New field msg.
6450         (normalize_condate, name_condate, add_condate): New.
6451         (conds[], condate_parse): Made extern.
6452         * tree-check.c (tree_check_warning): First arg changed to cond;
6453         warning reformatted.
6454         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
6455         (tree_scan): New.
6456         (tree_check): Process trivial condates.
6457         (read_delimited_string): Removed.
6458         (print_cond): Print name and msg.
6459         (conds[]): Made extern.
6460         (parse_tree_check_file_once): Rewritten to use the parser in
6461         condate.y.
6462         Processing of option --tree_check_string moved to tree_scan().
6463         * Makefile.in: Added condate.y
6464
6465 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
6466
6467         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
6468         Use VECs instead of varrays.
6469         * diagnostic.h (lazy_dump_generic_node): Update declaration.
6470         * Makefile.in (pretty-print.o): Depend on vec.h.
6471         * pretty-print.c: Include tree.h and vec.h.
6472         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
6473         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
6474         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
6475         pp_free_list): Use VECs instead of varrays.
6476         * pretty-print.h: Do not include varray.h.
6477         (struct tree_chunk_s): Declaration moved before its use.
6478         (output_buffer): Rename varray field to chunks.
6479         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
6480         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
6481         save_global_holes): Use VECs instead of varrays.
6482         * tree-match.h: Declare VECs of cfg_node, and hole_p.
6483         * tree-check.c (scan_cfg_stmts, push_node,
6484         print_matching_stmt): Removed.
6485         (tree_check_instance, push_global_holes_if_new, tree_check,
6486         execute_tree_check): Use VECs instead of varrays.
6487         (gate_tree_check): Don't execute the CFG check when basic_block_info
6488         is not available.
6489
6490 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6491
6492         * Merge from mainline (r115016:120733).
6493
6494 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6495
6496         * Merge from mainline (r117632:117661).
6497
6498 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6499
6500         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
6501         * tree-pass.h (TDF_DEBUG, debug_p): New.
6502         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
6503         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
6504         get_loop_exit_condition, analyze_evolution_in_loop,
6505         analyze_initial_condition, analyze_scalar_evolution,
6506         instantiate_parameters, number_of_latch_executions): Use debug_p.
6507         * tree-chrec.c (chrec_apply): Use debug_p.
6508         * tree-data-ref.c: Include graphite.h.
6509         (dump_data_reference): Print also the access matrix.
6510         (analyze_array, analyze_indirect_ref, init_data_ref,
6511         analyze_offset_expr, address_analysis, object_analysis,
6512         create_data_ref, finalize_ddr_dependent,
6513         non_affine_dependence_relation, analyze_ziv_subscript,
6514         analyze_siv_subscript_cst_affine,
6515         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6516         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
6517         analyze_miv_subscript, analyze_overlapping_iterations,
6518         build_classic_dist_vector, subscript_dependence_tester,
6519         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
6520         (build_access_matrix_with_af): No longer static.
6521         * tree-data-ref.h (scop_p): ... declaration here.
6522         (data_reference.scop): New field.
6523         (DR_SCOP, DR_ACCESS_MATRIX): New.
6524         (build_access_matrix_with_af, dr_num_subscripts): Declared.
6525         * graphite.c (print_graphite_bb): Call dump_data_references.
6526         (print_scop): Use scop_nb_loops and scop_dim_domain.
6527         (test_for_scop_bound): Use debug_p.
6528         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
6529         scop_nb_params.
6530         (scop_loop_index): Moved...
6531         (scop_record_loop): New.
6532         (build_scop_loop_nests): Use scop_record_loop.
6533         (build_scop_domain): Use scop_dim_domain.
6534         (build_access_matrix): Implemented.
6535         (build_scop_canonical_schedules): Use scop_nb_loops.
6536         (build_graphite_bb): Initialize GBB_SCOP.
6537         * graphite.h (scop_p): Moved...
6538         (graphite_bb.scop): New field.
6539         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
6540         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
6541         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
6542         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
6543         scop_loop_index): New.
6544         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
6545
6546 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
6547
6548         * Merge from mainline (r117661:120450).
6549
6550 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
6551
6552         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
6553         at the first declaration outside the varying loop, instantiate as
6554         far as possible.
6555         * tree-chrec.c (for_each_scev_op): New.
6556         * tree-chrec.h (for_each_scev_op): Declared.
6557         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
6558         * tree-data-ref.c (get_references_in_stmt,
6559         find_data_references_in_stmt): New, from trunk.
6560         (find_data_references_in_loop): Use get_references_in_stmt
6561         and find_data_references_in_loop, modified as in trunk.
6562         (build_access_matrix_with_af): New.
6563         * tree-data-ref.h (data_reference): Add a field access_matrix.
6564         (data_ref_loc): New, as in trunk.
6565         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
6566         invariant_in_scop_p, param_index, scan_tree_for_params,
6567         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
6568         idx_record_param, idx_record_params, build_access_matrix,
6569         build_scop_data_accesses, build_scop_canonical_schedules,
6570         build_graphite_bb, build_scop_bbs, find_params_in_bb,
6571         build_scop_params): New.
6572         * graphite.h (graphite_bb): New.
6573         (scop): Add fields static_schedule, params, loop_nest,
6574         iteration_domain.
6575         * lambda.h: Declare vecs of lambda_matrix.
6576         * tree-flow.h (print_loop_ir_bb): Declared.
6577         * tree-cfg.c (print_loop_ir_bb): New.
6578         (print_loop): Use print_loop_ir_bb.
6579
6580 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
6581
6582         * Merge from mainline (r115016:117632).
6583
6584 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
6585
6586         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
6587         break due to a warning.
6588
6589 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
6590
6591         * graphite.c (print_scops, debug_scops): New.
6592         (graphite_transform): Renamed graphite_find_transform.
6593         * graphite.h (debug_scops): Declared.
6594
6595 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
6596
6597         * tree-match.c: Reformat following the GNU style.
6598         * tree-match.h: Reformat following the GNU style.
6599         * tree-pattern.h: Removed empty file.
6600         * Makefile.in: Remove references to tree-pattern.h.
6601         * tree-check.c: Reformat following the GNU style.
6602         (execute_tree_check): Move gate condition code to...
6603         (gate_tree_check): ...here.  New function.
6604         (pass_check): Use the gate function.
6605
6606 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
6607
6608         * tree-pattern.h: New. Tree pattern matching and checking using
6609         concrete syntax.
6610         * tree-check.c: New. Tree/CFG checking pass.
6611         * tree-match.c: New. Library for tree pattern matching.
6612         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
6613         * toplev.c, flags.h: Add globals for tree-check pass.
6614         * Makefile.in: Integrate the files in tree-check pass.
6615         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
6616         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
6617         Introduce a "lazy" pretty-print mode.
6618         * tree.c, tree.h: Add tree_name.
6619
6620 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
6621
6622         * doc/invoke.texi (-fgraphite): Correct typo.
6623         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
6624         use of print_loop_ir.
6625         * testsuite/gcc.dg/graphite/scop-1.c: New.
6626         * testsuite/gcc.dg/graphite/scop-2.c: New.
6627         * testsuite/gcc.dg/graphite/graphite.exp: New.
6628         * graphite.c: Include domwalk.h.
6629         (print_scop): Print only the entry and exit blocks.
6630         (debug_scop): No longer static.
6631         (affine_expr): Fix formating.  Return also true when the expression is
6632         constant.
6633         (stmt_simple_for_scop_p): Fix formating.
6634         (build_scops): Use domwalk.
6635         (get_loop_start, end_scop, test_for_scop_bound): New.
6636         (graphite_transform_loops): Avoid printing on stderr.
6637         * graphite.h (debug_scop): Declared.
6638         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
6639         * Makefile.in (graphite.o): Depend on domwalk.h.
6640         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
6641         declarations for static functions.
6642         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
6643         controlling output verbosity.
6644
6645 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
6646             Plesco Alexandru  <shurikx@gmail.com>
6647
6648         * doc/invoke.texi (-fgraphite): Document.
6649         * tree-pass.h (pass_graphite_transforms): Declared.
6650         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
6651         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
6652         (pass_graphite_transforms): Defined.
6653         * tree-data-ref.c (free_data_ref, data_reference): Extern.
6654         * tree-data-ref.h (free_data_ref, data_reference): Declared.
6655         * graphite.c, graphite.h: New.
6656         * common.opt (fgraphite): Declared.
6657         * tree-flow.h (graphite_transform_loops): Declared.
6658         * Makefile.in (OBJS-common): Add graphite.o.
6659         (graphite.o): New rule.
6660         * passes.c (pass_graphite_transforms): Scheduled.
6661