gcc/ChangeLog.graphite

   1 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * testsuite/gcc.dg/graphite/id-17.c: New.
   4         * testsuite/gcc.dg/graphite/pr41888.c: New.
   5         * testsuite/gcc.dg/graphite/scop-22.c: New.
   6         * testsuite/gfortran.dg/graphite/pr40982.f90: New.
   7
   8 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
   9
  10         * graphite-dependences.c: Clarify comments.
  11         (build_pddr): Add an extra parameter direction.
  12         (graphite_legal_transform_dr): Use build_pddr.
  13         (dot_original_deps_stmt_1): Update use of build_pddr.
  14         (dot_transformed_deps_stmt_1): Same.
  15         (dot_original_deps): Same.
  16         (dot_transformed_deps): Same.
  17
  18         * testsuite/gcc.dg/graphite/interchange-12.c: New.
  19         * testsuite/gcc.dg/graphite/block-7.c: New.
  20
  21 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
  22
  23         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
  24         (pddr_transformed_scattering): Removed.
  25         (graphite_legal_transform_dr): Use build_pddr.
  26         (dot_original_deps_stmt_1): Same.
  27         (dot_transformed_deps_stmt_1): Same.
  28         (dot_original_deps): Same.
  29         (dot_transformed_deps): Same.
  30
  31 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
  32
  33         * graphite-dependences.c (lexicographically_gt_p): Add comments.
  34         (build_lexicographically_gt_constraint): Same.
  35         (dependence_polyhedron_1): Same.
  36         (dependence_polyhedron): Same.
  37
  38 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
  39
  40         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
  41         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
  42         (lexicographically_gt_p): Change type of direction to int.
  43         (build_lexicographically_gt_constraint): Same.
  44         (dependence_polyhedron_1): Same.
  45         (dependence_polyhedron): Same.
  46         (pddr_original_scattering): Use integers for direction.
  47         (pddr_transformed_scattering): Same.
  48         (graphite_legal_transform_dr): Same.
  49         (graphite_carried_dependence_level_k): Same.
  50
  51 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
  52
  53         * graphite-dependences.c (build_pairwise_constraint): Renamed
  54         ppl_build_relation.  Moved...
  55         (dr_equality_constraints): Use ppl_build_relation.
  56         (build_pairwise_scheduling_equality): Same.
  57         (build_pairwise_scheduling_inequality): Same.
  58         * graphite-ppl.c (ppl_build_relation): ...here.
  59         * graphite-ppl.h (ppl_build_relation): Declared.
  60
  61 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
  62
  63         PR middle-end/42681
  64         * graphite-clast-to-gimple.c (gloog_error): New static variable.
  65         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
  66         Set gloog_error when such an expression failed to be built.
  67         (translate_clast): Early return when gloog_error is set.
  68         (gloog): Clear gloog_error.  When gloog_error is set, call
  69         set_ifsese_condition to enable the original code.  Return the status
  70         of the code generation based on gloog_error.
  71         * sese.c (set_ifsese_condition): New.
  72         * sese.h (set_ifsese_condition): Declared.
  73
  74         * testsuite/g++.dg/graphite/pr42681.C: New.
  75
  76 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
  77
  78         PR middle-end/42732
  79         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
  80         rename_nb_iterations.
  81         * sese.c (rename_variables_in_operand): New.
  82         (rename_variables_in_expr): New.
  83         (rename_nb_iterations): New.
  84         (sese_adjust_liveout_phis): Update the rename_map.
  85         * sese.h (rename_nb_iterations): Declared.
  86         * tree-scalar-evolution.c (scev_reset_htab): New.
  87         (scev_reset): Call scev_reset_htab.
  88         * tree-scalar-evolution.h (scev_reset_htab): Declared.
  89
  90         * testsuite/gfortran.dg/graphite/pr42732.f: New.
  91
  92 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
  93
  94         PR middle-end/42393
  95         * graphite-clast-to-gimple.c: Fix formatting.
  96         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
  97         (expr_defined_in_loop_p): New.
  98         (add_loop_exit_phis): Also handle full expressions: remove from
  99         the rename_map the expressions defined in the loop that we're closing.
 100
 101         * testsuite/gfortran.dg/graphite/pr42393-1.f90: New.
 102         * testsuite/gfortran.dg/graphite/pr42393.f90: Add new flags
 103         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
 104         make this testcase useful in the Graphite branch.
 105
 106 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 107
 108         * graphite-scop-detection.c (exclude_component_ref): Removed.
 109         (is_simple_operand): Removed.
 110         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
 111
 112 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 113
 114         PR middle-end/42221
 115         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 116         the array indexing of ADDR_EXPRs.
 117
 118         * testsuite/gcc.dg/graphite/pr42221.c: New.
 119
 120 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 121
 122         PR middle-end/42521
 123         * graphite.c (graphite_finalize): Call scev_reset.
 124         (graphite_transform_loops): Do not call scev_reset between the code
 125         generation of scops.
 126
 127         * testsuite/gcc.dg/graphite/pr42521.c: New.
 128
 129 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 130
 131         * graphite-interchange.c (memory_stride_in_loop): Renamed
 132         pdr_stride_in_loop.
 133         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
 134         (memory_strides_in_loop): Memoize the memory strides per loop.
 135         (lst_interchange_profitable_p): Do not initialize to zero the memory
 136         strides.
 137         * graphite-poly.h (struct lst): Add a field memory_strides.
 138         (LST_LOOP_MEMORY_STRIDES): New.
 139         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
 140         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
 141
 142 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 143
 144         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
 145         memory_strides_in_loop.  Gather memory strides on a whole loop.
 146         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
 147         (lst_interchange_profitable_p): Removed.
 148         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
 149
 150 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 151
 152         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 153         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 154         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 155         Remove context_loop and level.
 156
 157 2010-01-07  Richard Guenther  <rguenther@suse.de>
 158
 159         PR tree-optimization/42641
 160         * sese.c (rename_map_elt_info): Use the SSA name version, do
 161         not hash pointers.
 162
 163 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 164
 165         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
 166         blocked" only when both the strip mine and the interchange have
 167         been applied.
 168
 169         * testsuite/gcc.dg/graphite/block-2.c: Removed.
 170         * testsuite/gcc.dg/graphite/block-3.c: Add scan pattern.
 171         * testsuite/gcc.dg/graphite/block-4.c: Same.
 172         * testsuite/gcc.dg/graphite/block-5.c: Same.
 173         * testsuite/gcc.dg/graphite/block-6.c: Same.
 174
 175 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 176
 177         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
 178         before allocating a new one.
 179         (copy_renames): Check that slot is not NULL.
 180         (mark_bb_with_pbb): Same.
 181         (compute_cloog_iv_types_1): Same.
 182         * graphite-interchange.c (lst_perfect_nestify): Free the before,
 183         nest, and after LSTs.
 184         (lst_try_interchange_loops): Same.
 185
 186 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
 187
 188         PR middle-end/42178
 189         * graphite-interchange.c (lst_try_interchange_loops): Do not return
 190         the before, nest, and after LSTs.
 191         (lst_try_interchange): Removed.
 192         (lst_interchange_select_inner): Do not iterate over the LSTs if they
 193         were modified.
 194         (lst_interchange_select_outer): Apply interchange on the outer loop
 195         until there are no more changes in the inner loops.
 196
 197 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 198
 199         Revert patch fixing PR middle-end/42221.
 200
 201 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 202
 203         PR middle-end/42180
 204         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
 205         GIMPLE_CALL.
 206
 207         * testsuite/gfortran.dg/graphite/pr42180.f90: Add compile flags.
 208
 209 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 210
 211         PR middle-end/42180
 212         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
 213         that contain only one statement.
 214
 215         * testsuite/gfortran.dg/graphite/pr42180.f90: New.
 216
 217 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 218
 219         PR middle-end/42393
 220         * testsuite/gfortran.dg/graphite/pr42393.f90: New.
 221
 222 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 223
 224         PR middle-end/42186
 225         * testsuite/gfortran.dg/graphite/pr42186.f90: New.
 226
 227 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 228
 229         PR middle-end/42205
 230         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
 231         Insert the reduction copy in the same block as the phi node.
 232         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
 233
 234         * testsuite/gcc.dg/graphite/pr42205-1.c: New.
 235         * testsuite/gcc.dg/graphite/pr42205-2.c: New.
 236
 237 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 238
 239         PR middle-end/42221
 240         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 241         the array indexing of ADDR_EXPRs.
 242
 243         * testsuite/gcc.dg/graphite/pr42221.c: New.
 244
 245 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 246
 247         PR middle-end/42178
 248         PR middle-end/42334
 249         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
 250         index.  Call lst_interchange_select_inner only once.
 251         (lst_interchange_select_inner): Update use of lst_try_interchange.
 252         (lst_interchange_select_outer): Update.
 253
 254 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 255
 256         PR middle-end/42178
 257         PR middle-end/42334
 258         * graphite-interchange.c (lst_try_interchange): Do not increment the
 259         the OUTER index when there is no AFTER kernel.  Do not increment the
 260         OUTER index for after processing the AFTER kernel.
 261         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
 262         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
 263         index.  Do not pass to lst_interchange_select_inner the OUTER index.
 264         (scop_do_interchange): Update use of lst_interchange_select_outer.
 265
 266         * testsuite/gfortran.dg/graphite/graphite.exp
 267         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
 268         * testsuite/gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
 269         the graphite dump file.
 270         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
 271         * testsuite/gfortran.dg/graphite/pr42334-1.f: New.
 272
 273 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 274
 275         PR middle-end/42178
 276         PR middle-end/42334
 277         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
 278         that are empty.
 279         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
 280         (lst_try_interchange): Reimplemented.
 281         (lst_interchange_select_inner): Same.
 282         (lst_do_interchange): Renamed lst_interchange_select_outer.
 283         Reimplemented.
 284         (scop_do_interchange): Update use of lst_interchange_select_outer.
 285
 286         * testsuite/g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
 287         * testsuite/gcc.dg/graphite/block-0.c: Un-XFAILed.
 288         * testsuite/gcc.dg/graphite/pr42211.c: New.
 289         * testsuite/gfortran.dg/graphite/pr42334.f90: New.
 290
 291 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
 292
 293         PR middle-end/42181
 294         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
 295         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
 296
 297         * testsuite/gfortran.dg/graphite/pr42181.f90: New.
 298
 299 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
 300
 301         PR middle-end/42284
 302         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
 303         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
 304         (detect_commutative_reduction_arg): Simplified.
 305         (detect_commutative_reduction): Early return when the argument of
 306         the close phi is not of an SSA_NAME.
 307
 308         * testsuite/gcc.dg/graphite/pr42284.c: New.
 309
 310 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
 311
 312         * dbgcnt.def (graphite_scop): New counter.
 313         * graphite.c: Include dbgcnt.h
 314         (graphite_transform_loops): Use new counter to limit transformations.
 315
 316 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
 317
 318         PR middle-end/42285
 319         * graphite-scop-detection.c (graphite_can_represent_init): Also
 320         handle more complex MULT_EXPRs containing parameters by recursion
 321         on the structure.
 322
 323         * testsuite/gfortran.dg/graphite/pr42285.f90: New.
 324
 325 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
 326
 327         * testsuite/g++.dg/graphite/pr42130.C: Fix type.
 328
 329 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
 330
 331         * testsuite/g++.dg/graphite/pr42130.C: Correct testcase.
 332
 333 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 334
 335         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
 336         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
 337
 338 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 339
 340         PR middle-end/42130
 341         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
 342         translate_clast_for_loop): New.
 343         (translate_clast_for): Add a condition around the loop, to do not
 344         execute loops with zero iterations.
 345         * testsuite/g++.dg/graphite/pr42130.C: New.
 346         * testsuite/gcc.dg/graphite/pr35356-2.c: Adapt.
 347
 348 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 349
 350         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 351         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 352         Remove context_loop and level.
 353
 354 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 355
 356         * graphite-clast-to-gimple.c (translate_clast_user,
 357         translate_clast_for, translate_clast_guard): Simplify and move common
 358         elements to translate_clast().
 359         (translate_clast): Simplify and get common elements.
 360
 361 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 362
 363         * graphite-clast-to-gimple.c (translate_clast_user,
 364         translate_clast_for, translate_clast_guard): Split out of
 365         translate_clast.
 366
 367 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
 368
 369         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
 370         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
 371         debug_clast_name_indexes_1, debug_clast_name_indexes,
 372         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
 373         (clast_name_to_gcc, clast_to_gcc_expression,
 374         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
 375         gcc_type_for_clast_eq, graphite_translate_clast_equation,
 376         graphite_create_guard_cond_expr, graphite_create_new_loop,
 377         translate_clast): Add params_index.
 378         (initialize_cloog_names): Create parameter strings from scratch, do
 379         not reference other strings.
 380         (create_params_index): New.
 381         (gloog): Initialize params_index.
 382         * graphite-scop-detection (free_scops_1): Removed.
 383         (limit_scops): Use normal free_scops.
 384         * graphite-sese-to-poly.c (save_var_names): Removed.
 385         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
 386         and SESE_PARAMS_INDEX.
 387         * sese.c (new_sese, free_sese): Dito.
 388         * sese.h (struct sese): Remove params_index, params_names.
 389         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
 390
 391 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 392
 393         Revert the following patch from 2009-09-14:
 394         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 395         tree-scalar-evolution.h, and then tree-data-ref.h.
 396         * graphite-clast-to-gimple.c: Same.
 397         * graphite-dependences.c: Same.
 398         * graphite-interchange.c: Same.
 399         * graphite-poly.c: Same.
 400         * graphite-scop-detection.c: Same.
 401         * graphite-sese-to-poly.c: Same.
 402         * graphite.c: Same.
 403         * lambda-code.c: Same.
 404         * matrix-reorg.c: Same.
 405         * tree-data-ref.c: Same.
 406         * tree-if-conv.c: Same.
 407         * tree-loop-distribu: Same.: Same.
 408         * tree-loop-linear.c: Same.
 409         * tree-parloops.c: Same.
 410         * tree-predcom.c: Same.
 411         * tree-vect-patterns.c: Same.
 412
 413 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 414
 415         Revert patch from 2009-09-14.
 416         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
 417         passes at -O1 and below.
 418
 419 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 420
 421         PR middle-end/40281
 422         * testsuite/gcc.dg/graphite/pr40281.c: New.
 423
 424         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
 425         evolutions should not variate in inner loops.
 426
 427 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 428
 429         PR middle-end/42050
 430         * testsuite/gfortran.dg/graphite/pr42050.f90: New.
 431
 432 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 433
 434         * graphite-interchange.c (memory_strides_in_loop_depth): New.
 435         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
 436
 437 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 438
 439         * graphite-blocking.c (scop_do_block): New.
 440         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
 441         * graphite-poly.h (scop_do_block): Declared.
 442
 443 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 444
 445         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
 446         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 447         to transform depth into the time_depth before calling
 448         pbb_number_of_iterations_at_time.
 449         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 450         lst_depth.
 451
 452 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 453
 454         Reverted the patch for "scattering permutations" from 2009-10-28.
 455
 456         * graphite-poly.c (print_permutation): New.
 457         (debug_permutation): New.
 458         (new_poly_bb): Initialize PBB_PERMUTATION.
 459         (free_poly_bb): Free PBB_PERMUTATION.
 460         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 461         (struct pbb_permutation_elt): New.
 462         (PBB_PERMUTATION_ELT_STRIDE): New.
 463         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 464         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 465         (new_pbb_permutation_elt): New.
 466         (pbb_permutation_elt_free): New.
 467         (struct poly_bb): Add field permutation.
 468         (PBB_PERMUTATION): New.
 469         (print_permutation): Declared.
 470         (debug_permutation): Declared.
 471
 472 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 473
 474         * graphite-interchange.c (build_partial_difference): New.
 475         (memory_stride_in_loop): Refactored the computation of
 476         equality constraints into build_partial_difference function.
 477         Added support for debugging stride computations.
 478
 479 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 480
 481         * graphite-clast-to-gimple.c (gloog): Free if_region,
 482         if_region->true_region, and if_region->region.
 483         * sese.c (if_region_set_false_region): Free if_region->false_region.
 484         (create_if_region_on_edge): Do not use GGC_NEW.
 485         (move_sese_in_condition): Remove useless initialization.
 486
 487 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 488
 489         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
 490         for the loops created by the loop distribution.  Do not modify the
 491         input LSTs.
 492         (lst_try_interchange_loops): Same.  Use a temporary LST for the
 493         transformed schedule.  Call lst_update_scattering before data
 494         dependence analysis.
 495         (lst_try_interchange): Pass an extra parameter INDEX.
 496         (lst_do_interchange_1): New.
 497         (lst_do_interchange): Call lst_do_interchange_1.
 498         (scop_do_interchange): Call lst_update_scattering.
 499         * graphite-poly.c (apply_poly_transforms): Do not call
 500         lst_update_scattering.
 501         * graphite-poly.h (lst_pred): New.
 502         (lst_succ): New.
 503         (lst_find_first_pbb): Return NULL when not found.
 504         (lst_empty_p): New.
 505         (lst_insert_in_sequence): Allow LST1 to be NULL.
 506         (lst_replace): New.
 507         (lst_substitute_3): New.
 508         * gcc.dg/graphite/interchange-1.c: XFail.
 509         * gcc.dg/graphite/interchange-8.c: XFail.
 510         * gcc.dg/graphite/interchange-11.c: XFail.
 511
 512 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 513
 514         * graphite-interchange.c (lst_perfectly_nested_p): New.
 515         (lst_perfect_nestify): New.
 516         (lst_try_interchange_loops): Call store_lst_schedule,
 517         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
 518         (scop_do_interchange): Avoid redundant legality test.
 519         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
 520         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
 521         * graphite-poly.h (psct_static_dim): New.
 522         (lst_dewey_number_at_depth): New.
 523         (lst_find_pbb): Restructured.
 524         (lst_find_first_pbb): Restructured.
 525         (lst_find_last_pbb): New.
 526         (lst_contains_p): New.
 527         (lst_contains_pbb): New.
 528         (lst_create_nest): New.
 529         (lst_remove_from_sequence): New.
 530         (pbb_update_scattering): New.
 531         (lst_update_scattering_under): New.
 532         (lst_update_scattering_seq): New.
 533         (lst_update_scattering): New.
 534         (lst_insert_in_sequence): New.
 535         (lst_distribute_lst): New.
 536         (lst_remove_all_before_including_pbb): New.
 537         (lst_remove_all_before_excluding_pbb): New.
 538
 539 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 540
 541         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
 542         get_loop_exit_edges.
 543
 544 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 545
 546         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
 547
 548 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 549
 550         * graphite-poly.c (print_permutation): New.
 551         (debug_permutation): New.
 552         (new_poly_bb): Initialize PBB_PERMUTATION.
 553         (free_poly_bb): Free PBB_PERMUTATION.
 554         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 555         (struct pbb_permutation_elt): New.
 556         (PBB_PERMUTATION_ELT_STRIDE): New.
 557         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 558         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 559         (new_pbb_permutation_elt): New.
 560         (pbb_permutation_elt_free): New.
 561         (struct poly_bb): Add field permutation.
 562         (PBB_PERMUTATION): New.
 563         (print_permutation): Declared.
 564         (debug_permutation): Declared.
 565
 566 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 567
 568         * graphite-clast-to-gimple.c (gloog): Do not call
 569         sese_reset_aux_in_loops.
 570         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
 571         extra argument for domains.  Do not use loop->aux.
 572         (build_scop_iteration_domain): Initialize and free domains, pass it
 573         to build_loop_iteration_domains and extract the information from
 574         domains.  Do not use loop->aux.
 575         * sese.c (sese_reset_aux_in_loops): Removed.
 576         * sese.h (sese_reset_aux_in_loops): Removed.
 577
 578 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 579
 580         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
 581         (dependency_in_loop_p): Same.
 582         (translate_clast): Do not use loop->aux.  Initialize
 583         loop->can_be_parallel.
 584         (mark_loops_parallel): Removed.
 585         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
 586         * graphite.c (free_aux_in_new_loops): Removed.
 587         (graphite_finalize): Do not call free_aux_in_new_loops.
 588         (graphite_transform_loops): Do not call mark_loops_parallel.
 589
 590 2009-10-26  Li Feng  <nemokingdom@gmail.com>
 591
 592         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
 593         (translate_clast): Pass an extra parameter LEVEL.
 594         Call get_scattering_level.
 595         * graphite-clast-to-gimple.h (get_scattering_level): New.
 596
 597 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 598
 599         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
 600         * cfgloop.h (struct loop): New field single_iv.
 601
 602         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
 603         loop->aux anymore: use loop->single_iv.
 604         (graphite_loop_normal_form): Moved...
 605         (build_graphite_loop_normal_form): Removed.
 606         (gloog): Do not call build_graphite_loop_normal_form.
 607         (free_aux_in_new_loops): Moved...
 608         (mark_loops_parallel): Restructure.
 609         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
 610         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
 611         (scop_canonicalize_loops): New.
 612         (build_poly_scop): Call scop_canonicalize_loops.
 613         * graphite.c (free_aux_in_new_loops): ...here.
 614
 615 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 616
 617         * g++.dg/graphite/graphite.exp: Add the same rules as in
 618         gcc.dg/graphite/graphite.exp.
 619
 620 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 621
 622         * g++.dg/graphite/id-1.C: New.
 623
 624 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 625
 626         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
 627         argument base_name.
 628         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
 629         (rewrite_phi_out_of_ssa): Same.
 630         (rewrite_cross_bb_scalar_deps): Same.
 631         (translate_scalar_reduction_to_array): Same.
 632
 633 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 634
 635         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
 636         dump_alias_graphs.
 637
 638 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 639
 640         * graphite-sese-to-poly.c (dump_alias_graphs): New.
 641         (build_scop_drs): Call dump_alias_graphs.
 642
 643 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 644
 645         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
 646         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 647         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
 648         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 649         * graphite-poly.h (free_lst): New.
 650         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
 651         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
 652
 653 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 654
 655         * graphite-poly.h (struct scop): Add a field saved_schedule.
 656         (SCOP_SAVED_SCHEDULE): New.
 657         (store_lst_schedule): New.
 658         (restore_lst_schedule): New.
 659         (store_scattering): Call store_lst_schedule.
 660         (restore_scattering): Call restore_lst_schedule.
 661
 662 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 663
 664         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
 665         (pdr_add_alias_set): Same.
 666         (build_poly_dr): Same.
 667         (build_alias_set_optimal_p): Same.
 668         (build_base_obj_set_for_drs): Same.  Do not store the result of
 669         graphds_dfs.
 670
 671 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 672
 673         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
 674         all_components_are_cliques to 1.
 675
 676 2009-10-20  Li Feng  <nemokingdom@gmail.com>
 677
 678         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
 679         the new structure.
 680         (pdr_add_alias_set): Update retrieving alias_set_num.
 681         (build_poly_dr): Update retrieving dr_base_object_set.
 682         (partition_drs_to_sets): Remove.
 683         (build_alias_set_optimal_p): New.
 684         (build_alias_set_for_drs): Rename.
 685         (build_scop_drs): Update.
 686         * graphite-sese-to-poly.h (struct base_alias_pair): New.
 687         (ALIAS_SET_INDEX): Remove.
 688         (BASE_OBJECT_SET_INDEX): Remove.
 689
 690 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 691
 692         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
 693
 694 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 695
 696         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
 697         loop upper bounds for 1-element arrays at end of structures.
 698         * tree-flow.h (array_at_struct_end_p): Declared.
 699         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
 700
 701 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 702
 703         * g++.dg/graphite/pr41305.C: New.
 704
 705 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
 706
 707         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
 708         construction of parameter constraints from loop iteration analysis.
 709         * gcc.dg/graphite/run-id-2.c: New test.
 710
 711 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 712
 713         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
 714         and new_cstr.
 715
 716 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 717
 718         * graphite-dependences.c (dependence_polyhedron_1): Remove
 719         unused gdim dimensions from the DDR polyhedron.
 720
 721 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 722
 723         * graphite-dependences.c (pddr_transformed_scattering): New.
 724         (dot_original_deps_stmt_1): New.
 725         (dot_transformed_deps_stmt_1): New.
 726         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
 727         dot_transformed_deps_stmt_1.
 728         (dot_original_deps): New.
 729         (dot_transformed_deps): New.
 730         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
 731
 732 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 733
 734         * graphite-dependences.c (reduction_dr_1): Remove wrong
 735         assert: reduction BBs can have multiple reduction writes
 736         to memory.  interchange-3.f90 is an example.
 737
 738 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 739
 740         * gfortran.dg/graphite/interchange-3.f90: New.
 741
 742 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 743
 744         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
 745
 746 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 747
 748         * graphite-dependences.c (dependence_polyhedron_1): Add the
 749         context to the dependence polyhedron.
 750
 751 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 752
 753         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
 754         PBB_PDR_DUPLICATES_REMOVED.
 755         (new_poly_bb): Same.
 756
 757 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 758
 759         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
 760         SCOP_CONTEXT.
 761         (build_loop_iteration_domains): Extract bounds on parameters
 762         based on the data size.
 763         (build_scop_context): Do not initialize SCOP_CONTEXT;
 764         add new constraints.
 765
 766 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 767
 768         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
 769         * graphite-ppl.h (graphite-ppl.h): Declared.
 770
 771 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 772
 773         * graphite-ppl.c (ppl_print_linear_expr): New.
 774         (debug_ppl_linear_expr): New.
 775         * graphite-ppl.h (ppl_print_linear_expr): Declared.
 776         (debug_ppl_linear_expr): Declared.
 777
 778 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 779
 780         * graphite-interchange.c: Fix comments.
 781         * gcc.dg/graphite/block-1.c: Fix comments.
 782
 783 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 784
 785         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
 786         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
 787
 788 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 789
 790         Reapply the patch from Alexander Monakov that disappeared during
 791         the last merges from trunk.
 792
 793         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 794
 795         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 796         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 797
 798 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 799
 800         * graphite-interchange.c (memory_stride_in_loop): The depth
 801         argument corresponds to a dynamic time dimension, so use
 802         psct_dynamic_dim to refer to the transformed scattering dimension.
 803
 804 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 805
 806         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
 807
 808 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 809
 810         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
 811         root of the LST.
 812         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
 813         the root of the LST.
 814         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
 815         fake loop.
 816         (print_lst): Print the root of LST in a different format.
 817         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
 818
 819 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 820
 821         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
 822
 823 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 824
 825         * doc/passes.texi: Document the Graphite infrastructure.
 826
 827 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 828
 829         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
 830         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
 831         and check the SSA representation.
 832
 833         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
 834
 835 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 836
 837         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
 838
 839 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 840
 841         * gcc.dg/graphite/interchange-11.c: New.
 842
 843 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 844
 845         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
 846
 847 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 848
 849         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 850         Add -fno-loop-strip-mine and -fno-loop-interchange.
 851         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
 852         -fno-loop-strip-mine.
 853         * gfortran.dg/graphite/graphite.exp: Same.
 854
 855 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 856
 857         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 858         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
 859         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
 860         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
 861         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
 862         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
 863         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
 864         DEFAULT_FLAGS_GRAPHITE_SCOP.
 865         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
 866         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
 867
 868 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 869
 870         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
 871
 872 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 873             Sebastian Pop  <sebastian.pop@amd.com>
 874
 875         * graphite-interchange.c (build_linearized_memory_access): Pass an
 876         offset as parameter.
 877         (memory_stride_in_loop): Include transform scattering in the
 878         access functions to be able to querry the strides in the
 879         transformed loops.
 880         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
 881         not the psct_iterator_dim.
 882
 883 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 884
 885         * graphite-blocking.c (pbb_do_strip_mine): Removed.
 886         (lst_do_strip_mine_loop): New.
 887         (lst_do_strip_mine): New.
 888         (scop_do_strip_mine): Call lst_do_strip_mine.
 889         * graphite-poly.h (lst_add_loop_under_loop): New.
 890         (lst_find_first_pbb): New.
 891
 892 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 893
 894         * graphite-poly.c (loop_to_lst): Fix LST creation.
 895
 896 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 897
 898         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
 899         sizeof(unsigned long) to make it run on 32bit systems.
 900
 901 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 902
 903         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
 904         SEGFAULT on 32bit.
 905
 906 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 907
 908         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
 909         Comment.
 910         (write_alias_graph_to_ascii_dot): New.
 911         (write_alias_graph_to_ascii_ecc): Ditto.
 912         (partition_drs_to_sets): Add testing of optimality of current method
 913         which assigns alias numbers according to DFS Comopnent number.  used
 914         as heuristic for the upcoming ECC algorithm.
 915         (build_scop_drs): Write to file also with the ecc and dot format.
 916
 917 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 918
 919         * gfortran.dg/graphite/interchange-1.f: XFail.
 920
 921 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 922
 923         * graphite.c (graphite_initialize): Do not handle functions with
 924         more than 100 basic blocks.
 925
 926 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 927
 928         * graphite-blocking.c (pbb_do_strip_mine): Use
 929         PARAM_LOOP_BLOCK_TILE_SIZE.
 930
 931 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 932
 933         * graphite-poly.c (dot_lst_1): New.
 934         (dot_lst): New.
 935         * graphite-poly.h (dot_lst): Declared.
 936
 937 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 938
 939         * graphite-dependences.c (dot_deps_stmt_1): New.
 940         (dot_deps_stmt): New.
 941         * graphite-dependences.h (dot_deps_stmt): Declared.
 942
 943 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 944
 945         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
 946         not replace cross BB scalar dependences ending on PHI nodes.
 947         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
 948
 949 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 950
 951         * graphite-poly.c (apply_poly_transforms): Implement the high
 952         level driver for flag_loop_block.
 953         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
 954         flag_loop_block.
 955
 956         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
 957         -floop-block.
 958         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 959         Add -floop-block.
 960
 961 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 962
 963         * graphite-poly.h (lst_find_pbb): New.
 964         (find_lst_loop): New.
 965
 966 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 967
 968         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
 969         * graphite-poly.h (struct scop): Remove dep_graph field.
 970         (SCOP_DEP_GRAPH): Removed.
 971
 972 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 973
 974         * graphite-poly.h (copy_lst): Do full copy of LST.
 975
 976 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
 977
 978         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
 979         when the loop stride is zero.
 980
 981         * gcc.dg/graphite/id-16.c: New.
 982
 983 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 984
 985         * graphite-dependences.c (reduction_dr_1): New.
 986         (reduction_dr_p): New.
 987         (graphite_legal_transform_dr): Call reduction_dr_p.
 988         (reduction_ddr): Renamed reduction_ddr_p.
 989         * graphite-poly.h (same_pdr_p): New.
 990         (number_of_write_pdrs): New.
 991         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
 992         (split_reduction_stmt): Do not split reduction statements
 993         when there are no writes to memory.
 994         (translate_scalar_reduction_to_array_for_stmt): Insert the
 995         memory reduction statement just after the scalar reduction statement.
 996
 997         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
 998         Un-XFAIL-ed.
 999         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
1000         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
1001
1002 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1003
1004         * graphite-interchange.c (lst_apply_interchange): New.
1005         (lst_interchange_profitable_p): New.
1006         (lst_try_interchange_loops): New.
1007         (lst_try_interchange): New.
1008         (lst_do_interchange): New.
1009         (pbb_do_interchange): Removed.
1010         (scop_do_interchange): Call lst_do_interchange.
1011
1012 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1013
1014         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
1015         SCOP_TRANSFORMED_SCHEDULE.
1016         (loop_to_lst): New.
1017         (scop_to_lst): New.
1018         (print_lst): New.
1019         (debug_lst): New.
1020         * graphite-poly.h (lst_p): New.
1021         (struct lst): New.
1022         (LST_LOOP_P): New.
1023         (LST_LOOP_FATHER): New.
1024         (LST_PBB): New.
1025         (LST_SEQ): New.
1026         (scop_to_lst): Declared.
1027         (print_lst): Declared.
1028         (debug_lst): Declared.
1029         (new_lst_loop): New.
1030         (new_lst_stmt): New.
1031         (copy_lst): New.
1032         (lst_depth): New.
1033         (lst_dewey_number): New.
1034         (struct scop): Add original_schedule and transformed_schedule fields.
1035         (SCOP_ORIGINAL_SCHEDULE): New.
1036         (SCOP_TRANSFORMED_SCHEDULE): New.
1037         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
1038
1039 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1040
1041         * graphite-dependences.c (reduction_ddr): New.
1042         (graphite_legal_transform_bb): Call reduction_ddr.
1043         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
1044         Initialize PBB_IS_REDUCTION.
1045         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
1046         (PBB_IS_REDUCTION): New.
1047         (new_poly_bb): Update declaration.
1048         * graphite-scop-detection.h (build_scop_bbs): Removed.
1049         (nb_reductions_in_loop): Removed.
1050         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
1051         parameter for reductions.
1052         (try_generate_gimple_bb): Update call to new_poly_bb.
1053         (build_scop_bbs_1): Same.
1054         (build_scop_bbs): Same.
1055         (gsi_for_phi_node): New.
1056         (scalar_close_phi_node_p): Remove gcc_assert.
1057         (split_reduction_stmt): New.
1058         (is_reduction_operation_p): New.
1059         (phi_contains_arg): New.
1060         (follow_ssa_with_commutative_ops): New.
1061         (detect_commutative_reduction_arg): New.
1062         (detect_commutative_reduction_assign): New.
1063         (follow_inital_value_to_phi): New.
1064         (edge_initial_value_for_loop_phi): New.
1065         (initial_value_for_loop_phi): New.
1066         (detect_commutative_reduction): New.
1067         (translate_scalar_reduction_to_array_for_stmt): New.
1068         (insert_copyout): New.
1069         (insert_copyin): New.
1070         (translate_scalar_reduction_to_array): New.
1071         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
1072         (rewrite_commutative_reductions_out_of_ssa_loop): New.
1073         (rewrite_commutative_reductions_out_of_ssa): New.
1074         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
1075         * sese.h (split_region_for_bb): New.
1076
1077         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
1078         * gcc.dg/graphite/interchange-1.c: Fix format.
1079         * gcc.dg/graphite/interchange-10.c: New.
1080
1081 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1082
1083         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
1084         buggy assert.
1085
1086 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1087
1088         * graphite-sese-to-poly.c (scev_analyzable_p): New.
1089         (rewrite_cross_bb_scalar_dependence): New.
1090         (rewrite_cross_bb_scalar_deps): New.
1091         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
1092         Call rewrite_cross_bb_scalar_deps.
1093
1094 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1095
1096         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
1097         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
1098         gsi_for_stmt.
1099
1100 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1101
1102         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
1103         * graphite-interchange.c (pbb_do_interchange): Same.
1104         * graphite-poly.c (print_scattering_function): Same.
1105         (debug_pdrs): Same.
1106         * graphite-poly.h (pbb_loop): New.
1107         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
1108
1109 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1110
1111         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
1112
1113 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1114
1115         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
1116         so don't pass a pointer to it.
1117         (build_alias_set_for_drs): Same.
1118         (build_base_obj_set_for_drs): Same.
1119         (build_scop_drs): Same.
1120
1121 2009-09-26  Li Feng  <nemokingdom@gmail.com>
1122
1123         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
1124         the alias graph of data references.
1125
1126 2009-09-25  Li Feng  <nemokingdom@gmail.com>
1127
1128         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
1129         (build_scop_drs): When debugging, write the alias graph to file,
1130         otherwise, should be disabled.
1131
1132 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1133
1134         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
1135         (is_simple_operand): Remove call to stmt_simple_memref_p.
1136         (stmt_simple_for_scop_p): Update call to is_simple_operand.
1137
1138 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
1139
1140         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
1141         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
1142         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
1143         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
1144         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
1145
1146 2009-09-17 Li Feng  <nemokingdom@gmail.com>
1147
1148         PR middle-end/41118
1149         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
1150         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
1151         (graphite_carried_dependence_level_k): Ditto.
1152         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
1153         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
1154         (new_poly_dr): Adjust declaration.
1155         * graphite-sese-to-poly.c (free_data_refs_aux): New.
1156         (free_gimple_bb): Added free_data_refs_aux.
1157         (build_poly_dr): Add dr_base_object_set.
1158         (partition_drs_to_sets): New.
1159         (dr_same_base_object_p): New.
1160         (build_alias_set_for_drs): New.
1161         (build_base_object_set_for_drs): New.
1162         (build_scop_drs): Add build_base_obj_set_for_drs.
1163         * graphite-sese-to-poly.h: Added #define for alias set number index and
1164         base object set index.
1165         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1166         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1167
1168 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1169
1170         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1171         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1172
1173 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1174
1175         * graphite-sese-to-poly.c (struct irp_data): Removed.
1176         (idx_record_params): Removed.
1177         (find_params_in_bb): Scan for parameters the access functions; don't
1178         parse the tree representation.
1179
1180 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1181
1182         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
1183         passes at -O1 and below.
1184
1185 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1186
1187         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1188         tree-scalar-evolution.h, and then tree-data-ref.h.
1189         * graphite-clast-to-gimple.c: Same.
1190         * graphite-dependences.c: Same.
1191         * graphite-interchange.c: Same.
1192         * graphite-poly.c: Same.
1193         * graphite-scop-detection.c: Same.
1194         * graphite-sese-to-poly.c: Same.
1195         * graphite.c: Same.
1196         * lambda-code.c: Same.
1197         * matrix-reorg.c: Same.
1198         * tree-data-ref.c: Same.
1199         * tree-if-conv.c: Same.
1200         * tree-loop-distribu: Same.: Same.
1201         * tree-loop-linear.c: Same.
1202         * tree-parloops.c: Same.
1203         * tree-predcom.c: Same.
1204         * tree-vect-patterns.c: Same.
1205
1206 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1207
1208         Partially revert the previous patch, except the following.
1209         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1210         as parameters the operands of the not expression.
1211
1212 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1213
1214         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1215         Do not call analyze_scalar_evolution on assignments.
1216         (instantiate_scev_phi): Call analyze_scalar_evolution.
1217         (instantiate_scev_name): Call instantiate_scev_assign and
1218         instantiate_scev_phi.
1219         (instantiate_scev_not): Adapted to pass as parameters the operands
1220         of the not expression.
1221
1222 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1223
1224         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1225         to pass as parameters the operands of the binary expression.
1226
1227 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1228
1229         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1230         instantiate_scev_not.  Handle NEGATE_EXPR.
1231         (instantiate_scev_r): Handle NEGATE_EXPR.
1232
1233 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1234
1235         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1236         instantiate_scev_r.
1237         (instantiate_scev_r): Move code in instantiate_scev_2
1238         and instantiate_scev_1.
1239
1240 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1241
1242         * tree-scalar-evolution.c (instantiate_scev_3): New.
1243         (instantiate_scev_1): Move code in instantiate_scev_3.
1244
1245 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1246
1247         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1248         (instantiate_scev_1): Move code in instantiate_scev_poly.
1249
1250 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1251
1252         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1253         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1254
1255 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1256
1257         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1258         (instantiate_scev_1): Move code in instantiate_scev_convert.
1259
1260 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1261
1262         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1263         (instantiate_scev_1): Move code in instantiate_scev_binary.
1264
1265 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1266
1267         * tree-scalar-evolution.c (instantiate_scev_name): New.
1268         (instantiate_scev_1): Move code in instantiate_scev_name.
1269
1270 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1271
1272         * Merge from mainline (150992:151171).
1273
1274 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1275
1276         * graphite-dependences.c (graphite_legal_transform_bb): Call
1277         pbb_remove_duplicate_pdrs.
1278         * graphite-poly.c (can_collapse_pdr): Removed.
1279         (pdr_find_duplicate): Removed.
1280         (can_collapse_pdrs): New.
1281         (pbb_remove_duplicate_pdrs): New.
1282         (new_poly_dr): Do not look for duplicates.
1283         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1284         (PBB_PDR_DUPLICATES_REMOVED): New.
1285         (pbb_remove_duplicate_pdrs): Declared.
1286
1287 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1288
1289         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1290         the strides by multiplying by PDR_NB_REFS.
1291         * graphite-poly.c (can_collapse_pdr): New.
1292         (pdr_find_duplicate): New.
1293         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1294         Initialize PDR_NB_REFS.
1295         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1296         (PDR_NB_REFS): New.
1297         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1298
1299 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1300
1301         Revert one of the previous commits:
1302         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1303         the computation of symmetric data dependence relations.
1304         (dependency_between_pbbs_p): Same.
1305
1306 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1307
1308         PR middle-end/40965
1309         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1310         any transform.
1311
1312 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1313
1314         * graphite-dependences.c (pddr_original_scattering): Return NULL
1315         for read-read dependence relations.
1316         * graphite-poly.h (enum poly_dr_type): Fix comment.
1317         (pdr_read_p): New.
1318         (pdr_write_p): New.
1319         (pdr_may_write_p): New.
1320
1321 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1322
1323         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1324         (struct poly_dr): Same.
1325         (new_poly_dr): Same.
1326         * graphite-poly.c (new_poly_dr): Same.
1327
1328 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1329             Sebastian Pop  <sebastian.pop@amd.com>
1330
1331         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1332         pbb_strip_mine_time_depth.  Changed the implementation so that
1333         transformation is expressed as a transformation on
1334         time (scatttering) dimensions.  Also, ensures that the 2d+1
1335         scheduling format is preserved.
1336         (pbb_strip_mine_profitable_p): Profitability is based on the
1337         iteration number of a given time (scattering) dimension,
1338         and not on a original loop depth dimension.
1339         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1340         (pbb_do_strip_mine): Call psct_dynamic_dim.
1341         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1342         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1343         (pbb_nb_dynamic_scattering_transform): New.
1344         (psct_dynamic_dim): New.
1345
1346 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1347
1348         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1349         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1350         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1351         * graphite-interchange.c (build_linearized_memory_access): Same.
1352         (memory_stride_in_loop): Same.
1353
1354 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1355
1356         * graphite-dependences.c (pddr_original_scattering): New.
1357         (graphite_legal_transform_dr): Call pddr_original_scattering.
1358         (dot_deps_1): New.
1359         (dot_deps): New.
1360         * graphite-dependences.h (dot_deps): Declared.
1361         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1362         (print_pdr): Print PDR_ID.
1363         * graphite-poly.h (struct poly_dr): Add field id.
1364         (PDR_ID): New.
1365         (pbb_index): New.
1366         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1367
1368 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1369
1370         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1371         not delete the original dependence relation.
1372
1373 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1374
1375         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1376         the computation of symmetric data dependence relations.
1377         (dependency_between_pbbs_p): Same.
1378
1379 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1380
1381         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1382         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1383         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1384         (free_poly_ddr): New.
1385         (pddr_is_empty): New.
1386         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1387         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1388         Remove fprintfs.
1389         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1390         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1391         * graphite-dependences.h (enum poly_dependence_kind): New.
1392         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1393         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1394         (PDRP_SINK): Renamed PDDR_SINK.
1395         (PDRP_DDP): Renamed PDDR_DDP.
1396         (PDDR_KIND): New.
1397         (free_poly_ddr): Declared.
1398         * graphite-poly.c (new_scop): Use the new hash function names.
1399         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1400         into original_pddrs.
1401         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1402
1403 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1404
1405         * Merge from mainline (150764:150992).
1406
1407 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1408
1409         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1410         bounds with LT_EXPR to make niter analysis more precise on code
1411         generated by Graphite.
1412
1413 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1414
1415         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1416         (graphite_legal_transform_bb): Same.
1417         (poly_drs_may_alias_p): Same.
1418
1419 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1420
1421         PR middle-end/40981
1422         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1423         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1424
1425 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1426
1427         * graphite-poly.c (print_pbb): Print PBB index.
1428
1429 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1430
1431         * Merge from mainline (r150672:150764).
1432
1433 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1434
1435         * graphite-interchange.c (ppl_max_for_le): Moved...
1436         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1437         * graphite-ppl.c (ppl_max_for_le): ... here.
1438         * graphite-ppl.h (ppl_max_for_le): Declared.
1439
1440 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1441
1442         * Merge from mainline (r150372:150672).
1443
1444 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1445
1446         PR middle-end/40980
1447         * sese.c (convert_for_phi_arg): New.
1448         (add_guard_exit_phis): Use convert_for_phi_arg.
1449
1450         * testsuite/gfortran.dg/graphite/id-17.f: New.
1451
1452 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1453
1454         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1455         unknown subscript upper bounds.
1456
1457         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1458
1459 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1460             Pranav Garg  <pranav.garg2107@gmail.com>
1461
1462         * graphite-interchange.c (gather_access_strides): Removed.
1463         (ppl_max_for_le): New.
1464         (build_linearized_memory_access): New.
1465         (memory_stride_in_loop): New.
1466         (pbb_interchange_profitable_p): Reimplemented.
1467         * graphite-ppl.h (ppl_new_id_map): New.
1468         (ppl_interchange): New.
1469
1470         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
1471
1472 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1473
1474         * graphite-interchange.c (compute_subscript): Removed.
1475         (compute_array_size_cstr): Removed.
1476         (compute_array_size_poly): Removed.
1477         (compute_array_size): Removed.
1478         (gather_access_strides_poly): Removed.
1479         (gather_access_strides): Empty.
1480
1481 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1482
1483         * graphite-dependences.c (dependence_polyhedron_1): Replace
1484         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1485         (graphite_legal_transform_dr): Same.
1486         (graphite_carried_dependence_level_k): Same.
1487         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1488         Initialize PDR_NB_SUBSCRIPTS.
1489         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1490         PDR_NB_SUBSCRIPTS.
1491         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1492         (PDR_NB_SUBSCRIPTS): New.
1493         (pdr_nb_subscripts): Removed.
1494         (pdr_dim): Simplified.
1495         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1496         with PDR_NB_SUBSCRIPTS.
1497
1498 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1499
1500         * graphite-interchange.c (compute_array_size): Remove use of
1501         PDR_DATA_CONTAINER.
1502         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1503         Do not initialize PDR_DATA_CONTAINER.
1504         (print_pdr): Do not print PDR_DATA_CONTAINER.
1505         * graphite-poly.h (struct poly_dr): Remove data_container field.
1506         (PDR_DATA_CONTAINER): Removed.
1507         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1508         PDR_DATA_CONTAINER.
1509         (build_poly_dr): Same.
1510
1511 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1512
1513         * testsuite/gcc.dg/graphite/interchange-9.c: New.
1514
1515 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1516             Sebastian Pop  <sebastian.pop@amd.com>
1517
1518         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1519         copy of the dependence polyhedron.  Free the temporary objects.
1520         (graphite_carried_dependence_level_k): Free unused objects before
1521         returning.
1522
1523         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
1524         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
1525         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
1526         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
1527         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
1528
1529 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1530
1531         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1532         Early return without analyzing the data dependences if no
1533         transform has been done.  Call restore_scattering if the transform
1534         is not legal.
1535         (graphite-interchange.c): Same.
1536         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1537         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1538         (apply_poly_transforms): Do not gcc_assert that
1539         the transform is legal.
1540         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1541         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1542         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1543         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1544         * graphite-poly.h (struct poly_scattering): New.
1545         (struct poly_bb): Add original, transformed, and saved fields.
1546         Remove transformed_scattering, original_scattering, nb_local_variables,
1547         and nb_scattering_transform fields.
1548         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1549         (poly_scattering_new): New.
1550         (poly_scattering_free): New.
1551         (poly_scattering_copy): New.
1552         (store_scattering_pbb): New.
1553         (store_scattering): New.
1554         (restore_scattering_pbb): New.
1555         (restore_scattering): New.
1556         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1557         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1558
1559 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1560
1561         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1562         (print_scop): Same.
1563
1564 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1565
1566         * Makefile.in (graphite.o): Depends on PREDICT_H.
1567         * graphite.c: Include predict.h.
1568         (graphite_finalize): Call tree_estimate_probability.
1569         * predict.c (predict_loops): Do not call scev_initialize and
1570         scev_finalize.
1571         (tree_estimate_probability_bb): New.
1572         (tree_estimate_probability): Do not initialize loops: move that
1573         code to the driver.  Call tree_estimate_probability_bb.
1574         (tree_estimate_probability_driver): New.
1575         (pass_profile): Use tree_estimate_probability_driver.
1576         * predict.h (tree_estimate_probability): Declared.
1577
1578 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1579
1580         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1581         * graphite-dependences.c (graphite_legal_transform): Add time to
1582         TV_GRAPHITE_DATA_DEPS.
1583         (dependency_between_pbbs_p): Same.
1584         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1585
1586 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
1587
1588         * Merge from mainline (r149952:150372).
1589
1590 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1591
1592         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
1593         * graphite-blocking.c: Same.
1594         * graphite-clast-to-gimple.c: Same.
1595         * graphite-dependences.c: Same.
1596         * graphite-poly.c: Same.
1597         * graphite-poly.h: Same.
1598         * graphite-ppl.c: Same.
1599         * graphite-scop-detection.c: Same.
1600         * graphite-sese-to-poly.c: Same.
1601         * graphite.c: Same.
1602
1603 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1604
1605         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
1606         (remove_simple_copy_phi): New.
1607         (remove_invariant_phi): New.
1608         (simple_copy_phi_p): New.
1609         (reduction_phi_p): New.
1610         (gsi_for_ssa_name_def): New.
1611         (insert_out_of_ssa_copy): New.
1612         (insert_out_of_ssa_copy_on_edge): New.
1613         (create_zero_dim_array): New.
1614         (scalar_close_phi_node_p): New.
1615         (rewrite_close_phi_out_of_ssa): New.
1616         (rewrite_phi_out_of_ssa): New.
1617         (rewrite_reductions_out_of_ssa): New.
1618         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
1619
1620         * testsuite/gcc.dg/graphite/id-11.c: New.
1621         * testsuite/gcc.dg/graphite/id-15.c: New.
1622         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
1623         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
1624         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
1625         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
1626         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
1627         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
1628         * testsuite/gfortran.dg/graphite/id-13.f: New.
1629         * testsuite/gfortran.dg/graphite/id-5.f: New.
1630
1631 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1632
1633         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
1634         check that nb_reductions_in_loop is zero.
1635         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
1636         reduction phi nodes.
1637         (nb_reductions_in_loop): Removed.
1638         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
1639         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
1640         (bb_contains_non_iv_scalar_phi_nodes): Removed.
1641         (scop_contains_non_iv_scalar_phi_nodes): Removed.
1642         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
1643
1644 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1645
1646         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
1647         statements that have an empty iteration domain.
1648         * testsuite/gfortran.dg/graphite/id-16.f: New.
1649
1650 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1651
1652         * tree-scalar-evolution.c (instantiate_scev_1): Return
1653         chrec_dont_know when the result is not above instantiate_below.
1654         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
1655         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
1656         the tree has a known scalar evolution.
1657         * testsuite/gfortran.dg/graphite/id-14.f: New.
1658         * testsuite/gfortran.dg/graphite/id-15.f: New.
1659
1660 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1661
1662         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
1663         insert_gsi.
1664         (rename_variables): Keep inserting renames after the ones already
1665         inserted.
1666
1667 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1668
1669         * graphite-sese-to-poly.c (compare_bb_depths): New.
1670         (graphite_sort_dominated_info): New.
1671         (build_scop_bbs_1): Call graphite_sort_dominated_info.
1672         (build_scop_scattering): Fix comment.
1673
1674 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1675
1676         * graphite.c (graphite_finalize): Call print_loops instead of
1677         dump_function_to_file.
1678         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
1679         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
1680         loops generated in the graphite output file.
1681         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
1682         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
1683         * testsuite/gfortran.dg/graphite/id-12.f: New.
1684
1685 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1686
1687         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
1688         Remove 2 XFAIL.
1689
1690 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1691             Tobias Grosser  <grosser@fim.uni-passau.de>
1692
1693         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
1694         alias set number build alias in ACCESSES polyhedron.
1695         (build_alias_set_for_drs): New.
1696         (build_pbb_drs): Added build_alias_set_for_drs.
1697         * graphite-dependences.c (poly_drs_may_alias_p): New.
1698         (graphite_carried_dependence_level_k): Check alias information
1699         before building polyhedron.
1700
1701 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1702
1703         * Makefile.in (lambda-code.o): Fix formatting.
1704
1705 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1706
1707         * Merge from mainline (r149350-149952)
1708
1709 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1710
1711         * graphite-poly.c (apply_poly_transforms): Move strip_mine
1712         before interchange to prepare for loop blocking.
1713
1714 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1715
1716         * graphite-poly.c (apply_poly_transforms): Add checks after every
1717         transformation.
1718         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
1719         done in apply_poly_transforms.
1720
1721 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1722
1723         * graphite-dependences.c (build_lexicographically_gt_constraint):
1724         Replace RES parameter with *RES.
1725         (dependence_polyhedron_1): Pass an address of the parameter RES
1726         instead of value of RES.
1727
1728 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1729
1730         * graphite.c (graphite_finalize): Fix comment.
1731         (graphite_transform_loops): Reset scev info after code generation
1732         of each scop.
1733
1734 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1735
1736         * graphite.c (graphite_finalize): Call scev_reset.
1737
1738 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1739
1740         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
1741         GBB_CLOOG_IV_TYPES hash table twice.
1742         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
1743         (add_condition_to_domain): Clear GMP values.
1744
1745 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1746
1747         * graphite-dependences.c: Fix formatting.
1748         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
1749         (pbb_number_of_iterations): Free ppl_Linear_Expression.
1750         * graphite-sese-to-poly.c: Fix formatting.
1751         * graphite.c (graphite_transform_loops): Create the hash table
1752         after the early return.
1753
1754 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1755
1756         * testsuite/gcc.dg/graphite/id-14.c: New.
1757         * testsuite/gcc.dg/graphite/pr40157.c: New.
1758         * testsuite/gfortran.dg/graphite/id-11.f: New.
1759
1760 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1761
1762         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1763         (build_poly_scop): Return false when there are no pbbs within
1764         loops to avoid to pass to cloog scops with no loops.
1765
1766 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1767
1768         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1769         useless test "i % 2".
1770         (build_pbb_scattering_polyhedrons): Fix formatting.
1771         (build_poly_dr): Same.
1772         * graphite.c (graphite_transform_loops): Restructure.
1773
1774 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1775
1776         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1777         reduction_list parameter.
1778         (rewrite_all_phi_nodes_with_iv): Same.
1779         (canonicalize_loop_ivs): Same.
1780         * tree-parloops.c (struct brli): Removed.
1781         (build_reduction_list_info): Removed.
1782         (build_new_reduction): New.
1783         (analyze_reduction_list): Removed.
1784         (gather_scalar_reductions): Find reductions instead of phi
1785         nodes that can't be canonicalized.
1786         (try_create_reduction_list): Remove reduction_list parameter.
1787         (gen_parallel_loop): Same.
1788         (parallelize_loops): Remove analyze_reductions variable,
1789         initialization and free.
1790         Change reduction_list htab initialization to reduction_info
1791         elements instead of ssa names.
1792         Call try_create_reduction_list and gen_parallel_loop without
1793         analyzed_reduction argument.
1794         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
1795         canonicalize_loop_ivs with one less argument.
1796         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1797
1798 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1799
1800         * graphite-dependences.c (new_poly_dr_pair): New.
1801         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
1802         (new_poly_dr_pair): New.
1803         (eq_poly_dr_pair_p): New.
1804         (hash_poly_dr_pair_p): New.
1805         * graphite-dependences.h (struct poly_dr_pair): New.
1806         (eq_poly_dr_pair_p): Declared.
1807         (hash_poly_dr_pair_p): Declared.
1808         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1809         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1810         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1811         * Makefile.in (graphite-poly.o): Add dependence on
1812         graphite-dependences.h.
1813
1814 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1815
1816         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1817         polynomials of degree > 1 pass to Graphite.
1818         * tree-chrec.c (scev_is_linear_expression): Call
1819         evolution_function_is_affine_multivariate_p.
1820         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1821
1822 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1823
1824         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1825         Instantiate scevs varying in outer loops.
1826         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1827
1828 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1829
1830         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1831         redundant constraint.
1832
1833 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1834
1835         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1836         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1837         based on the file names as in the C testsuite.
1838         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1839         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1840         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1841         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1842         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1843         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1844         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1845         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1846         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1847         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1848         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1849         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1850         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1851
1852 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1853
1854         * sese.c (expand_scalar_variables_call): New.
1855         (expand_scalar_variables_ssa_name): Handle calls in expander.
1856
1857 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1858
1859         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1860         Expect to see the pattern twice.
1861         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1862         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1863         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1864
1865 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1866
1867         * testsuite/gcc.dg/graphite/id-10.c: New.
1868         * testsuite/gcc.dg/graphite/id-12.c: New.
1869         * testsuite/gfortran.dg/graphite/id-7.f: New.
1870         * testsuite/gfortran.dg/graphite/id-8.f: New.
1871
1872 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1873
1874         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1875         zero.
1876
1877 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1878
1879         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1880
1881 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1882
1883         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1884
1885 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1886
1887         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1888         building PDR subscripts.
1889
1890 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1891
1892         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1893         computation of array sizes.
1894
1895 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1896
1897         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1898
1899 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1900
1901         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1902         build_pairwise_constraint, dr_equality_constraints,
1903         build_pairwise_scheduling_equality,
1904         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1905         build_lexicographically_gt_constraint, dependence_polyhedron,
1906         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1907         Move from NNC_Polyhedron to C_Polyhedron.
1908         * graphite-interchange.c (compute_array_size_poly,
1909         gather_access_strides): Dito.
1910         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1911         free_scop, pbb_number_of_iterations): Dito.
1912         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1913         pbb_dim_iter_domain, struct scop): Dito.
1914         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1915         new_Cloog_Domain_from_ppl_Polyhedron,
1916         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1917         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1918         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1919         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1920         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1921         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1922         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1923         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1924         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1925         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1926         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1927         build_scop_iteration_domain, build_poly_dr): Dito
1928
1929 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1930
1931         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1932         run-id-*.c files.
1933         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1934
1935 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1936
1937         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1938         positivity constraint on the symbolic number of iterations.
1939
1940 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1941
1942         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1943
1944 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1945             Tobias Grosser  <grosser@fim.uni-passau.de>
1946
1947         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1948         (build_cloog_prog): Directly use SCOP_CONTEXT.
1949         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1950         (free_scop): Free SCOP_CONTEXT.
1951         (print_scop_context): New.
1952         (print_scop): Call print_scop_context.
1953         (debug_scop_context): New.
1954         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1955         (struct scop): Added field context.
1956         (SCOP_CONTEXT): New.
1957         * graphite-sese-to-poly.c (add_param_constraints): New.
1958         (build_scop_context): New.
1959         (build_poly_scop): Call build_scop_context.
1960
1961 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1962
1963         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1964         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1965         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1966         * graphite-ppl.h: Include double-int.h and tree.h.
1967         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1968         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1969         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1970         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1971
1972 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1973
1974         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1975         POINTER_PLUS_EXPR for pointer types.
1976         (clast_to_gcc_expression): Same.
1977
1978 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1979
1980         * graphite-poly.c (print_scattering_function): Early return when
1981         PBB_TRANSFORMED_SCATTERING is not initialized.
1982         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1983
1984 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1985
1986         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1987         to fix bootstrap.
1988
1989 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1990
1991         * tree-parloops.c (analyze_reduction_list): Change return
1992         value to void.
1993         (try_create_reduction_list): Move the call to
1994         analyze_reduction_list to the beginining.
1995         Call reduction_phi with analyzed_reductions as argument
1996         instead of reduction_list.
1997
1998 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1999
2000         *  Merge from mainline (r148296:149346)
2001
2002 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2003
2004         * graphite-scop-detection.c (graphite_can_represent_init): New.
2005         (graphite_can_represent_scev): Call graphite_can_represent_init:
2006         check that the initial value does not contain multiplications of
2007         parameters.
2008         (stmt_has_simple_data_refs_p): New.
2009         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
2010         (is_simple_operand): Fix formatting.
2011         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
2012
2013 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2014
2015         * testsuite/gcc.dg/graphite/id-13.c: New.
2016         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
2017         analyze_scalar_evolution, use scalar_evolution_in_region.
2018         (scan_tree_for_params_right_scev): Add extra assert.
2019         (parameter_index_in_region_1): Split from parameter_index_in_region.
2020         (idx_record_params): Use scalar_evolution_in_region.
2021         (find_params_in_bb): Same.
2022         (find_scop_parameters): Same.
2023         (build_loop_iteration_domains): Same.
2024         (create_linear_expr_from_tree): Same.
2025         * sese.c (scalar_evolution_in_region): New.
2026         * sese.h (scalar_evolution_in_region): Declared.
2027         (defined_in_sese_p): New.
2028         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
2029         static anymore.
2030         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
2031         Declared.
2032
2033 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2034
2035         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
2036         TREE_DATA_REF_H also implies SCEV_H.
2037
2038 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2039
2040         * graphite-poly.c (print_scop_params): New.
2041         (print_scop): Call print_scop_params.
2042         (debug_scop_params): New.
2043         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
2044
2045 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2046
2047         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
2048         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
2049         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
2050         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
2051         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
2052         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
2053
2054 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2055
2056         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
2057         for dependency checking part.
2058         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
2059         tests for dependency checking.
2060         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2061         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2062         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
2063         flag -fdump-tree-graphite-all for autopar testsuites.
2064
2065 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2066
2067         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
2068         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
2069         canonicalize_loop_ivs): Moved...
2070         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
2071
2072 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2073
2074         * tree-parloops.c (try_create_reduction_list): Pass an extra
2075         argument analyzed_reductions.  Call analyze_reduction_list.
2076         (gen_parallel_loop): Do not call analyze_reduction_list.
2077         (parallelize_loops): Init and finalize analyzed_reductions.
2078
2079 2009-07-06  Li Feng  <nemokingdom@gmail.com>
2080
2081         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2082         Added flag -fno-loop-strip-mine for autopar testcase.
2083
2084 2009-07-04  Li Feng  <nemokingdom@gmail.com>
2085
2086         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
2087         transformed scattering dimension instead of unmatch orignal when
2088         calling dependence_polyhedron.
2089
2090 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2091
2092         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
2093
2094 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2095
2096         * graphite-poly.c (pbb_number_of_iterations): Check for returned
2097         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
2098
2099 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2100
2101         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
2102         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
2103         * graphite-poly.c (pbb_number_of_iterations): New.
2104         * graphite-poly.h (pbb_number_of_iterations): Declared.
2105         (pbb_iterator_dim, pbb_parameter_dim): New.
2106
2107 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
2108
2109         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
2110         last commit on type of lower and upper bound of loops.
2111
2112 2009-06-29  Li Feng  <nemokingdom@gmail.com>
2113
2114         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
2115         graphite-dependences.h.
2116         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
2117         (mark_bb_with_pbb): New.
2118         (get_stmtfor_depth): New.
2119         (find_pbb_via_hash): New.
2120         (dependency_in_loop_p): New.
2121         (mark_loops_parallel): New.
2122         (free_aux_in_new_loops): New.
2123         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
2124         bb with it's relevant pbb. Mark newly created loops.  Remove mark
2125         innermost loop parallel without checking.
2126         (gloog): Add parameter BB_PBB_MAPPING.
2127         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
2128         (gloog): Change declaration.
2129         (mark_loop_parallel): Make extern.
2130         (free_aux_in_new_loops): Declare.
2131         (bb_pbb_map_hash): New.
2132         (eq_bb_pbb_map): New.
2133         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
2134         auto parallelization when flag_graphite_force_parallel is set.
2135         (graphite_finalize): Added free_aux_in_new_loops.
2136         * tree-parloops.c (parallelize_loops): Only generate parallel code for
2137         the innermost loop that marked parallel.  Use
2138         flag_graphite_force_parallel instead of loop->can_be_parallel.
2139         (loop_parallel_p): Move inner most checking out of function.
2140
2141 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2142
2143         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
2144         type of lower and upper bound of loops signed long int.
2145
2146 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2147
2148         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
2149         expression outside the loop.
2150
2151 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2152
2153         * gcc.dg/graphite/interchange-8.c: New.
2154
2155 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2156
2157         * gcc.dg/graphite/interchange-0.c: XFailed.
2158         * gcc.dg/graphite/interchange-5.c: XFailed.
2159         * gcc.dg/graphite/interchange-6.c: XFailed.
2160
2161 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2162
2163         * graphite-interchange.c (compute_array_size_poly): The end of the
2164         recursion should return 1.
2165
2166 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2167
2168         * graphite-interchange.c (compute_array_size_cstr): Allow the
2169         subscript multiplier to be -1.
2170         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
2171         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
2172         data_container.  Initializes PDR_DATA_CONTAINER.
2173         (print_pdr_access_layout): New.
2174         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
2175         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
2176         data_container.
2177         (PDR_DATA_CONTAINER): New.
2178         (new_poly_dr): Update declaration.
2179         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
2180         (build_poly_dr): Call pdr_add_data_dimensions.
2181
2182 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2183
2184         * graphite-poly.h (struct poly_dr): Fix comment.
2185         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2186         (pdr_add_memory_accesses): New.
2187         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2188
2189 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2190
2191         * graphite-poly.c (print_pdrs, debug_pdrs): New.
2192         (print_pbb): Add call to print_pdrs.
2193         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2194
2195 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2196             Li Feng <nemokingdom@gmail.com>
2197
2198         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2199         (dependency_between_pbbs_p): New.
2200         (lexicographically_gt_p): Assure !empty_p before polyhedron
2201         intersection assign.
2202         (build_lexicographically_gt_constraint): Correct lexicographically
2203         judging.
2204         * graphite-dependences.h: New.
2205         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2206
2207 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2208
2209         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2210         (gloog): Print to dump_file the generated clast.
2211         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2212         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2213
2214 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2215
2216         * graphite-poly.c (extend_scattering): Increment
2217         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2218
2219 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2220
2221         * graphite-interchange.c (compute_array_size_poly): Added exit of
2222         recursion condition.  Continue iterating even after the first equality.
2223         (compute_array_size): Same.
2224
2225 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2226
2227         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2228         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2229         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2230         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2231         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2232
2233 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2234
2235         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2236         only when the use verifies is_gimple_reg.
2237
2238 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2239
2240         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2241         Allocate scaldims after call to unify_scattering_dimensions.
2242
2243 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2244
2245         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2246
2247 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2248             Albert Cohen  <albert.cohen@inria.fr>
2249
2250         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2251         variables for the strip mining.
2252
2253 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2254             Pranav Garg  <pranav.garg2107@gmail.com>
2255
2256         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2257         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2258         (graphite-blocking.o): New rule.
2259         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2260         * graphite-blocking.c: New.
2261         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2262         flag_loop_strip_mine.
2263         (psct_scattering_dim_for_loop_depth): New.
2264         * graphite-poly.h (scop_do_strip_mine): Declared.
2265         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2266         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2267         flag_loop_strip_mine.
2268
2269 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2270
2271         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2272         a GMP value and a PPL coefficient at each iteration of a loop.
2273
2274 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2275
2276         * graphite-dependences.c (dependence_polyhedron): Do not use
2277         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2278         pbb_nb_scattering_transform.
2279         (graphite_legal_transform_dr): Same.
2280         * graphite-poly.c (extend_scattering): Same.
2281         (unify_scattering_dimensions): Same.
2282         (print_scattering_function): Same.
2283         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2284         PBB_NB_LOCAL_VARIABLES.
2285         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2286         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2287         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2288         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2289         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2290         (pbb_nb_scattering_transform): New.
2291         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2292         (psco_scattering_dim): Add assert on parameters.
2293         (psct_scattering_dim): Same.
2294         (psct_scattering_dim_for_loop_depth): Declared.
2295         (psct_local_var_dim): New.
2296         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2297         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2298         correct layout, call pbb_nb_local_vars.
2299         (psct_add_local_variable, psct_add_scattering_dimension): New.
2300         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2301         Initialize PBB_NB_SCATTERING_TRANSFORM.
2302
2303 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2304
2305         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2306         (set_coef): Renamed ppl_set_coef.
2307         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2308
2309 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2310
2311         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2312         test a boolean against 1.
2313         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2314         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2315         (pbb_do_interchange): Returns true when a transform has been performed.
2316         (scop_do_interchange): Same.
2317         * graphite-poly.c (apply_poly_transforms): Use the return value of
2318         scop_do_interchange.
2319         * graphite-poly.h (scop_do_interchange): Update declaration.
2320
2321 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2322
2323         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2324         after last use.
2325         * sese.c (sese_reset_aux_in_loops): New.
2326         * sese.h (sese_reset_aux_in_loops): New.
2327
2328 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2329
2330         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2331         multiplier and multiply the constant by the multiplier.
2332         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2333         (build_poly_dr): Do not use the multiplier to define the subscript.
2334
2335 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2336
2337         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2338         compiler's data reference.  Initialize PDR_CDR.
2339         (print_pdr): Call dump_data_reference.
2340         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2341         Add compiler_dr field.
2342         (PDR_BB): Renamed PDR_PBB.
2343         (PDR_CDR): New.
2344         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2345         GCC's data reference representation.
2346         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2347         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2348
2349 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2350
2351         * graphite-poly.c (print_scattering_function): Also print the layout.
2352         * graphite-poly.h (pbb_nb_local_vars): New.
2353
2354 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2355
2356         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2357
2358 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2359
2360         * graphite-poly.c (print_pdr, debug_pdr): New.
2361         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2362         (PDR_BASE): Removed.
2363
2364 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2365
2366         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2367         ltrans-{1..6,8}.c.
2368
2369 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2370
2371         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2372         subscript identification column.
2373         (pbb_do_interchange): Print to dump_file that some loops "will be
2374         interchanged".  Rely on that chain of characters in the testcases.
2375         * gcc.dg/graphite/interchange-0.c: New.
2376         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2377         interchange-*.c files and compile them with -floop-interchange.
2378
2379 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2380
2381         * graphite-interchange.c (interchange_profitable_p): Renamed
2382         pbb_interchange_profitable_p.
2383
2384 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2385             Harsha Jagasia  <harsha.jagasia@amd.com>
2386             Pranav Garg  <pranav.garg2107@gmail.com>
2387
2388         * graphite-interchange.c (interchange_profitable_p): Make static.
2389         (pbb_interchange_loop_depths, pbb_do_interchange,
2390         scop_do_interchange): New.
2391         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2392         for flag_loop_interchange.
2393         * graphite-poly.h (scop_do_interchange): Declared.
2394         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2395         flag_loop_interchange is used.
2396
2397 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2398
2399         * graphite-dependences.c (dependence_polyhedron): Update use of
2400         pbb_nb_scattering_dims.
2401         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2402         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2403         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2404         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2405
2406 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2407
2408         * graphite.c: Cleanup foo.
2409
2410 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2411
2412         * Merge from mainline (r143684:148293).
2413         * Disabled libpcp until it gets fixed.
2414
2415 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2416             Harsha Jagasia  <harsha.jagasia@amd.com>
2417
2418         * graphite-interchange.c: New.
2419         * Makefile.in (graphite-interchange.o): New.
2420         * graphite-poly.h (interchange_profitable_p): Declared.
2421         * graphite-ppl.h (value_max): New.
2422
2423 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2424
2425         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2426         * graphite-poly.h: Fix some comments.
2427         (pdr_dim): New.
2428         (pdr_scop): New.
2429
2430 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2431
2432         * graphite-poly.h
2433         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2434         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2435         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2436         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2437         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2438         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2439         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2440         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2441         * graphite-clast-to-gimple.c: Same.
2442         * graphite-dependences.c: Same.
2443         * graphite-poly.c: Same.
2444         * graphite-sese-to-poly.c: Same.
2445
2446 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2447
2448         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2449         expressions for an IV rename, as returned by clast_to_gcc_expression.
2450         (copy_renames): Rename new_name to expr.
2451         * sese.c (debug_rename_elt): Same.
2452         (get_rename): Same.
2453         (set_rename): Same.
2454         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2455         the information from the rename map.
2456         (rename_variables_in_stmt): Same.
2457         (add_loop_exit_phis): Rename new_name to expr.
2458         (insert_loop_close_phis): Same.
2459         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2460         * sese.h (struct rename_map_elt): Rename new_name to expr.
2461         (new_rename_map_elt): Same.
2462
2463 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2464
2465         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2466         * sese.c (set_rename): Make it extern.
2467         * sese.h (set_rename): Declared.
2468
2469 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2470
2471         * graphite-poly.c (extend_scattering): Free values.
2472         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2473         Free iterators.
2474         (ppl_print_powerset_matrix): Same.
2475         * graphite-scop-detection.c (free_scops_1): New.
2476         (limit_scops): Call free_scops_1.
2477         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2478         (build_poly_dr): Free PPL coefficients.
2479         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2480
2481 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2482
2483         * graphite-dependences.c: New.
2484         * graphite-data-ref.c: Removed.
2485         * graphite-data-ref.h: Removed.
2486         * Makefile.in (graphite-data-ref.o): Removed.
2487         (graphite-dependences.o): Added.
2488         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2489         * graphite-poly.c: Same.
2490         Move the data dependence testing to graphite-dependences.c.
2491
2492 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2493
2494         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2495         from graphite_cannot_represent_loop. Code refactored.
2496         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2497
2498 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2499
2500         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2501         Cover all the testcases (not only the filtered ones).
2502
2503 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2504
2505         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2506         unnecessary check. Update comments. Move check for REAL_TYPE here.
2507         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2508         done in (stmt_simple_for_scop_p).
2509
2510 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2511
2512         * graphite.c (print_global_statistics): New.
2513         (print_graphite_scop_statistic): New.
2514         (print_graphite_statistics): New.
2515         (graphite_initialize, graphite_transform_loops): Print statistics.
2516         * graphite-scop-detection (build_scops): Print statistics.
2517         (print_graphite_scop_statistics): New.
2518         (print_graphite_statistics): New.
2519
2520 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2521
2522         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2523         (debug_clast_name_index): Removed.
2524         (debug_clast_name_indexes_1): Removed.
2525         (debug_clast_name_indexes): Removed.
2526         (clast_name_index_elt_info): Removed.
2527         (eq_clast_name_indexes): Removed.
2528         (clast_name_to_index): Removed.
2529         (new_clast_name_index): Removed.
2530         (save_clast_name_index): Removed.
2531         (save_var_name): Moved...
2532         (init_sese_params_index): Removed.
2533         (clast_name_to_gcc): Remove use of name_tree.
2534         (initialize_cloog_names): Same.
2535         (gloog): Do not call init_sese_params_index.
2536         * graphite-sese-to-poly.c (save_var_name): ...here.
2537         (parameter_index_in_region): New.
2538         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2539         (parameter_index_in_region): Removed.
2540         (is_parameter): Remove use of name_tree.
2541         * sese.h (struct name_tree): Removed.
2542         (struct sese): Remove use of name_tree.  New field params_names.
2543         (SESE_PARAMS_NAMES): New.
2544         (SESE_PARAMS): Remove duplicate.
2545         (parameter_index_in_region): Removed.
2546         (sese_nb_params): Remove use of name_tree.
2547         (struct clast_name_index): New.
2548         (new_clast_name_index): New.
2549         (clast_name_to_index): New.
2550         (save_clast_name_index): New.
2551         (debug_clast_name_index): New.
2552         (debug_clast_name_indexes_1): New.
2553         (debug_clast_name_indexes): New.
2554         (clast_name_index_elt_info): New.
2555         (eq_clast_name_indexes): New.
2556
2557 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2558
2559         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
2560         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
2561         (graphite_loop_normal_form): Do not pass region.  Do not
2562         initialize SESE_OLDIVS.
2563         (build_graphite_loop_normal_form): Update call to
2564         graphite_loop_normal_form.
2565         * sese.c (debug_oldivs): Removed.
2566         (new_sese): Do not initialize SESE_OLDIVS.
2567         (free_sese): Do not free SESE_OLDIVS.
2568         (oldiv_for_loop): Removed.
2569         * sese.h (struct sese): Remove old_ivs.
2570         (SESE_OLDIVS): Removed.
2571         (oldiv_for_loop): Removed.
2572
2573 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2574
2575         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
2576         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
2577         replaced by a call to newivs_to_depth_to_newiv.
2578         (clast_to_gcc_expression): Pass newivs, remove ivstack.
2579         (clast_to_gcc_expression_red): Same.
2580         (gcc_type_for_clast_expr): Same.
2581         (gcc_type_for_clast_eq): Same.
2582         (graphite_translate_clast_equation): Same.
2583         (graphite_create_guard_cond_expr): Same.
2584         (graphite_create_new_guard): Same.
2585         (graphite_create_new_loop): Same.
2586         (build_iv_mapping): Same.
2587         (translate_clast): Same.
2588         (gloog): Same.
2589         (loop_iv_stack_patch_for_consts): Removed.  *
2590         sese.c (iv_stack_entry_is_constant): Removed.
2591         (iv_stack_entry_is_iv): Removed.
2592         (loop_iv_stack_push_iv): Removed.
2593         (loop_iv_stack_insert_constant): Removed.
2594         (loop_iv_stack_pop): Removed.
2595         (loop_iv_stack_get_iv): Removed.
2596         (loop_iv_stack_get_iv_from_name): Removed.
2597         (debug_loop_iv_stack): Removed.
2598         (free_loop_iv_stack): Removed.
2599         (loop_iv_stack_remove_constants): Removed.  *
2600         sese.h (iv_stack_entry_kind): Removed.
2601         (iv_stack_entry_data_union): Removed.
2602         (iv_stack_entry_struct): Removed.
2603         (iv_stack_entry_p): Removed.
2604         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
2605         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
2606         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
2607         loop_iv_stack_pop, free_loop_iv_stack): Removed.
2608         (gbb_loop_at_index): Fix indenting.
2609         (gbb_loop_index): Removed.
2610
2611 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2612
2613         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
2614         Call clast_name_to_index.
2615
2616 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2617
2618         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
2619         do not pass params.  Get params from SESE_PARAMS.
2620         (clast_to_gcc_expression): Same.
2621         (clast_to_gcc_expression_red): Same.
2622         (gcc_type_for_clast_eq): Same.
2623         (graphite_translate_clast_equation): Same.
2624         (graphite_create_new_loop): Same.
2625         * sese.c (rename_variables_in_stmt): Fix comment.
2626
2627 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2628
2629         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
2630         newivs_index.
2631         Call save_clast_name_index.
2632         (translate_clast): Pass newivs_index.
2633         (gloog): Create and free newivs_index.
2634
2635 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2636
2637         * graphite-clast-to-gimple.c (clast_name_index): New structure.
2638         (clast_name_index_p): New type.
2639         (debug_clast_name_index): New.
2640         (debug_clast_name_indexes_1): New.
2641         (debug_clast_name_indexes): New.
2642         (clast_name_index_elt_info): New.
2643         (eq_clast_name_indexes): New.
2644         (clast_name_to_index): New.
2645         (new_clast_name_index): New.
2646         (save_clast_name_index): New.
2647         (init_sese_params_index): New.
2648         (gloog): Call init_sese_params_index.
2649         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
2650         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
2651         (free_sese): Free SESE_PARAMS_INDEX.
2652         * sese.h (struct sese): Add params_index.
2653         (SESE_PARAMS_INDEX): New.
2654
2655 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2656
2657         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
2658         (graphite_create_new_loop): Pass the newivs vector.  Push the
2659         newly created IV to newivs.
2660         (translate_clast): Pass the newivs vector.
2661         (gloog): Create and destroy the newivs vector.
2662
2663 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2664
2665         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
2666         (graphite_loop_normal_form): Initialize loop->aux with the unique
2667         IV that has been created.
2668
2669 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
2670
2671         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
2672         scev with parameters in the base part. They where forbidden
2673         exidently.
2674
2675 2009-05-11  Li Feng  <nemokingdom@gmail.com>
2676
2677         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
2678         compile options by file names.
2679         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
2680         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
2681         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
2682         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
2683
2684 2009-05-08  Li Feng <nemokingdom@gmail.com>
2685
2686         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
2687         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
2688         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
2689         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
2690
2691 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2692
2693         * graphite-scop-detection (build_scops_1): Fix little bug introduced
2694         by final cleanup.
2695
2696 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2697
2698         * graphite-scop-detection.c (graphite_can_represent_scev): Only
2699         allow integer constant strides.
2700         (graphite_can_represent_expr): Depend on outermost_loop.
2701         (stmt_simple_memref_p, graphite_cannot_represent_loop,
2702         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
2703         build_scops_1): Same.
2704         (scopdet_basic_block_info): Same and insert layered SCoP
2705         detection.
2706         (try_generate_gimple_bb): Cleanup.
2707         (build_scops): Enable data references.
2708
2709         * testsuite/gcc.dg/graphite/id-5.c: New.
2710         * testsuite/gcc.dg/graphite/id-9.c: New.
2711         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2712         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
2713
2714 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2715
2716         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
2717         that we have not yet built for this SCoP.
2718
2719 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2720
2721         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
2722         for complex numbers.
2723
2724 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2725
2726         * graphite-ppl.c: Fix build if cloog is not available.
2727
2728 2009-05-04  Li Feng  <nemokingdom@gmail.com>
2729
2730         * tree-parloops.c (loop_parallel_p): Remove construction of
2731         NITER and REDUCTION_LIST.
2732         (try_get_loop_niter): New.
2733         (try_create_reduction_list): New.
2734         (parallelize_loops): Bypass the failed checkings in autopar
2735         when can_be_parallel in loop structure is set to true.
2736
2737 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2738
2739         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
2740         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
2741
2742 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2743
2744         * graphite-scop-detection.c (stmt_simple_for_scop_p):
2745         Enable EQ_EXPR and NE_EXPR again.
2746
2747 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2748
2749         * graphite-scop-detection.c (graphite_can_represent_scev):
2750         Add check if scev is affine multivariate.
2751         (harmful_stmt_in_bb): Check if we can represent the conditions.
2752         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
2753         harmful_stmt_in_bb.
2754         * testsuite/gcc.dg/graphite/id-7.c: New.
2755
2756 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2757
2758         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2759         Check all bbs in region, not only the bbs that are represented in
2760         GRAPHITE.
2761         (build_poly_scop): Add newline.
2762         * testsuite/gcc.dg/graphite/id-8.c: New.
2763
2764 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2765
2766         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2767         when loop initialize.
2768         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2769         * common.opt: Declare flag_graphite_force_parallel.
2770         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2771         loop parallel.
2772         * graphite-poly.c (apply_poly_transforms): Introduce
2773         flag_graphite_force_parallel.
2774         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2775         * toplev.c (process_options): ditto and replace a not correctly
2776         encoded space.
2777
2778 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2779
2780         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
2781         Change the call of gbb_loop_at_index and/or gbb_loop_index due
2782         to the redefinition.
2783         (compute_cloog_iv_types_1): ditto.
2784         (build_iv_mapping): ditto.
2785         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
2786         initialization.
2787         (free_gimple_bb): Removed GBB_LOOPS related free part.
2788         (build_bb_loops): Removed.
2789         * sese.h (struct gimple_bb): Removed loops.
2790         (GBB_LOOPS): Removed.
2791         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
2792         (gbb_loop_index): ditto.
2793
2794 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2795
2796         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
2797         allow non constant strides.
2798         * testsuite/gcc.dg/graphite/scop-20.c: New.
2799
2800 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2801
2802         * graphite-scop-detection.c (dot_all_scops): Fix system call
2803         return value warning.
2804         (dot_scop): Same.
2805
2806 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2807
2808         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2809         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2810
2811 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2812
2813         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2814         build_pairwise_constraint, dr_equality_constraints,
2815         build_pairwise_scheduling_equality,
2816         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2817         build_lexicographically_gt_constraint, dependence_polyhedron,
2818         graphite_legal_transform_dr, graphite_legal_transform_bb,
2819         graphite_legal_transform): New.
2820         * graphite-poly.h (graphite_legal_transform): Declared.
2821         * graphite-sese-to-poly.c (build_poly_scop): Call to
2822         graphite_legal_transform is disabled for the moment.
2823
2824 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2825
2826         * graphite-poly.h (pbb_nb_scattering_dims): New.
2827         (pbb_nb_scattering): Use it.
2828
2829 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2830
2831         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2832         Pointset_Powerset version of ppl_insert_dimensions.
2833         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2834
2835 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2836
2837         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2838
2839 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2840
2841         * graphite-poly.h: Fix comment.
2842
2843 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2844
2845         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2846
2847 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2848
2849         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2850         statements.
2851
2852 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2853
2854         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2855         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2856         conditions.
2857
2858 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2859
2860         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2861         handle EQ_EXPR and NE_EXPR.
2862
2863 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2864
2865         * graphite-poly.h (poly_dr): Fix comment.
2866
2867 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2868             Tobias Grosser  <grosser@fim.uni-passau.de>
2869
2870         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2871         with a zero dimension polyhedron.
2872         (find_scop_parameters): Move the call to scop_set_nb_params here.
2873         (build_loop_iteration_domains): Store in loop->aux the iteration
2874         domain polyhedron.
2875         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2876         by any loop in scop.
2877         (build_poly_scop): Do not call scop_set_nb_params.
2878
2879 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2880             Tobias Grosser  <grosser@fim.uni-passau.de>
2881
2882         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2883         add_condition_to_domain not GT_EXPR.
2884
2885 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2886
2887         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2888         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2889         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2890         upper_bound_assign to calculate unions.
2891         * testsuite/gcc.dg/graphite/id-6.c: New.
2892
2893 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2894
2895         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2896         handle abnormal edges.
2897
2898 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2899
2900         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2901         (free_poly_bb): Also free poly_drs.
2902         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2903         (poly_dr): Polyhedron to Pointset_Powerset.
2904         (pdr_accessp_nb_subscripts): Same.
2905         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2906         poly_drs.
2907
2908 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2909
2910         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2911         names into more meaningful names.
2912
2913 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2914
2915         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2916         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2917
2918 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2919
2920         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2921         the reduction_list.
2922         * tree-parloops.c (rewrite_phi_with_iv): New.
2923         (rewrite_all_phi_nodes_with_iv): New.
2924         (canonicalize_loop_ivs): Call them.
2925
2926 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2927
2928         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2929         graphite_find_data_references_in_stmt.
2930         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2931         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2932
2933 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2934
2935         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2936
2937 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2938
2939         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2940         instead of bb_in_region.
2941         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2942         (build_sese_conditions): Use flag_bb_in_sese.
2943         * sese.c (register_bb_in_sese): Removed.
2944         (new_sese): Remove initialization of SESE_REGION_BBS.
2945         (free_sese): Do not free SESE_REGION_BBS.
2946         * sese.h (struct sese): Remove field region_basic_blocks.
2947         (SESE_REGION_BBS): Removed.
2948         (bb_in_sese_p): Implement in function of bb_in_region.
2949
2950 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2951
2952         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2953         loops.
2954
2955 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2956
2957         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2958         and EQ_EXPR.
2959         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2960         (add_condition_to_domain): New.
2961         (add_condition_to_pbb): New.
2962         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2963         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2964
2965 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2966
2967         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2968         ppl_Pointset_Powerset.
2969         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2970         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2971         (pbb_nb_loops): Same.
2972         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2973         add_conditions_to_domain): Same.
2974         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2975         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2976         ppl_const_Polyhedron_t.
2977         (ppl_print_powerset_matrix): New.
2978         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2979         ppl_print_powerset_matrix): New.
2980         (ppl_print_polyhedron_matrix): Updated.
2981
2982 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2983
2984         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2985
2986 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2987
2988         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2989         (print_iteration_domains, debug_iteration_domain,
2990         debug_iteration_domains): New.
2991         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2992         debug_iteration_domains): Declared.
2993         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2994         indenting.
2995
2996 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2997             Sebastian Pop  <sebastian.pop@amd.com>
2998
2999         * graphite-poly.h (print_iteration_domain): New.
3000         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
3001         (build_sese_conditions_1, build_sese_conditions_after,
3002         build_sese_conditions_before): New.
3003         (build_sese_conditions): Rewritten.
3004
3005 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3006             Tobias Grosser  <grosser@fim.uni-passau.de>
3007
3008         Cleanup of code generation liveouts.
3009         * graphite-clast-to-gimple.c (translate_clast): Use a single
3010         rename_map instead of one per translated statement.
3011         Do not use SESE_LIVEOUT_RENAMES.
3012         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
3013         (gloog): Do not use SESE_LIVEOUT_RENAMES.
3014         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
3015         phi node of a reduction: when a loop contains a reduction used outside
3016         the loop, there should be a scalar close phi node on the exit block.
3017         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
3018         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
3019         (free_sese): Do not free them.
3020         (sese_build_liveouts_use): Do not use them.
3021         (sese_build_liveouts_bb): Same.
3022         (sese_build_liveouts): Same.
3023         (sese_insert_phis_for_liveouts): Same.
3024         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
3025         (defined_in_loop_p): New.
3026         (alive_after_loop): New.
3027         (close_phi_not_yet_inserted_p): New.
3028         (struct alep, alep_p): New.
3029         (add_loop_exit_phis): Remove from the rename_map all the names defined
3030         in the code generated loop.
3031         (insert_loop_close_phis): Traverse the rename_map passed to it.
3032         Don't use SESE_LIVEOUT_RENAMES.
3033         (default_liveout_before_guard): Renamed default_before_guard.
3034         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
3035         (graphite_copy_stmts_from_block): Do not directly call set_rename.
3036         (register_sese_liveout_renames): Removed.
3037         (copy_bb_and_scalar_dependences): Do not call it.
3038         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
3039         reduction_list.
3040         (SESE_LIVEOUT): Removed.
3041         (SESE_LIVEOUT_RENAMES): Removed.
3042         (SESE_REDUCTION_LIST): Removed.
3043         (sese_build_liveouts): Removed.
3044         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
3045         (insert_loop_close_phis): Pass a htab_t instead of a sese.
3046         (insert_guard_phis): Same.
3047         (rename_map_elt): Declare a VEC of them.
3048         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3049         trees not pointers to trees.
3050
3051         Rewrite in canonical close SSA form:
3052         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
3053         (limit_scops): Close the scop after the block containing the close phi
3054         nodes.
3055         (canonicalize_loop_closed_ssa): New.
3056         (canonicalize_loop_closed_ssa_form): New.
3057         (build_scops): Call canonicalize_loop_closed_ssa_form.
3058
3059         * graphite-sese-to-poly.c: Fix typos.
3060
3061 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3062
3063         * graphite-poly.c (print_scattering_function, print_pbb_domain):
3064         Extended.
3065         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
3066         (print_pbb): Add conditions.
3067
3068 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3069             Sebastian Pop  <sebastian.pop@amd.com>
3070
3071         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
3072         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
3073         (build_scop_bbs_1): New.
3074         (build_scop_bbs): Rewrite.
3075         * sese.h (bb_in_region): New.
3076
3077 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3078
3079         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3080         poly_drs vector.
3081         (print_scop): Style.
3082         * graphite-poly.h (poly_bb): Add drs vector.
3083         (PBB_DRS): Add accessor.
3084         * graphite-sese-to-poly.c (build_poly_dr): New.
3085         (build_pbb_drs, build_scop_drs): New.
3086         (build_poly_scop): call build_scop_drs (Disabled at the moment).
3087
3088 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3089
3090         * tree-ssa-loop.c: Include forgotten toplev.h
3091
3092 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3093
3094         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
3095         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
3096         * testsuite/gcc.dg/graphite/pr37928.c: Same
3097         * testsuite/gcc.dg/graphite/pr38409.c: Same
3098         * testsuite/gcc.dg/graphite/pr38498.c: Same
3099         * testsuite/gcc.dg/graphite/pr38559.c: Same
3100         * testsuite/gcc.dg/graphite/pr39335.c: Same
3101         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
3102         * testsuite/gfortran.dg/graphite/block-2.f: Same
3103         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
3104         with -floop-*.
3105
3106 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
3107
3108         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
3109         build_access_matrix, build_scop_data_accesses): Remove access function
3110         building. (We get a new version soon).
3111         (build_bb_loops, scan_tree_for_params_right_scev): Update.
3112         * sese.h (nb_loops_around_loop_in_sese): Remove.
3113         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
3114
3115 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
3116             Sebastian Pop  <sebastian.pop@amd.com>
3117
3118         * graphite-scop-detection.c (struct scopdet_info): Rename last
3119         field to exit.
3120         (scopdet_basic_block_info, build_scops_1): Don't use
3121         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
3122
3123 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
3124             Sebastian Pop  <sebastian.pop@amd.com>
3125
3126         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
3127         * sese.c (sese_build_liveouts_use): Renamed from
3128         sese_build_livein_liveouts_use. Remove liveins.
3129         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
3130         Call sese_build_liveouts_use.
3131         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
3132         Call sese_build_liveouts_bb.
3133         (new_sese, free_sese): Remove liveins.
3134         (sese_add_exit_phis_var): Deleted.
3135         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
3136         directly.
3137         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
3138
3139         * sese.h (sese): Remove num_ver and livein.
3140         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
3141
3142 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3143
3144         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
3145
3146 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3147
3148         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
3149         (build_scop_scattering): Do not use compare_prefix_loops any more.
3150         (nb_common_loops): New.
3151
3152 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3153
3154         * sese.c (get_new_name_from_old_name): Renamed get_rename.
3155         (register_old_and_new_names): Renamed set_rename.
3156
3157 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3158
3159         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
3160         of the decl from the previous commit.
3161
3162 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3163
3164         * graphite-scop-detection.c (dot_scop): New.
3165         * graphite-scop-detection.h (dot_scop): Declared.
3166
3167 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3168
3169         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
3170
3171 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3172
3173         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
3174         condition at the end of the loop.
3175         * graphite.c (graphite_initialize, graphite_finalize): Print to
3176         dump_file the compiled function.
3177         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
3178         of create_empty_loop_on_edge.
3179         (translate_clast): Update the code generation of loops for the new
3180         shape of loops.
3181         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
3182
3183 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3184
3185         Reverted the patch from 2009-03-19.
3186
3187 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3188
3189         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3190         poly_drs vector.
3191         (print_scop): Style.
3192         * graphite-poly.h (poly_bb): Add drs vector.
3193         (PBB_DRS): Add accessor.
3194         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
3195         (build_access_matrix_with_af, build_access_matrix,
3196         build_scop_data_accesses): Delete.
3197         (build_poly_dr): New.
3198         (build_pbb_drs, build_scop_drs): New.
3199         (build_poly_scop): call build_scop_drs.
3200
3201 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3202
3203         * graphite-scop-detection.c (dot_all_scops_1): Close the table
3204         once per basic block.
3205
3206 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3207
3208         * graphite-scop-detection.c (graphite_can_represent_scev): New.
3209         (graphite_can_represent_expr): Renamed from loop_affine_expr
3210         and enhanced.
3211         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
3212         (graphite_cannot_represent_loop): Add scop_entry to parameters.
3213         (scopdet_basic_block_info): Actually define entry_block.
3214         (stmt_simple_memref_p): Moved here from ...
3215
3216         * tree-data-ref.c (stmt_simple_memref_p): here.
3217         * tree-data-ref.h (stmt_simple_memref_p): Removed.
3218
3219 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3220
3221         * testsuite/gcc.dg/graphite/id-4.c: New.
3222
3223 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3224
3225         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3226         (register_old_and_new_names): Update the content of the map.
3227         When there was already a rename_map_elt in the map at that
3228         location, free it.
3229         (copy_bb_and_scalar_dependences): Do rename_variables after
3230         expand_scalar_variables.
3231         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3232         of the map.  When there was already a rename_map_elt in the
3233         map at that location, free it.
3234         (translate_clast): Pass the rename_map.  Do not initialize and free
3235         a rename_map per stmt_user.
3236         (gloog): Initialize and free one rename_map and pass it to
3237         translate_clast.
3238
3239 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3240
3241         * sese.c (expand_scalar_variables_stmt,
3242         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
3243         parameter.
3244         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
3245         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
3246         the gimple_stmt_iterator of the statement to be expanded.
3247         * graphite-scop-detection.c (is_simple_operand): Do handle
3248         REALPART_EXPR.
3249
3250 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3251
3252         * graphite-scop-detection.c (is_simple_operand): Do not handle
3253         REALPART_EXPR.
3254         * testsuite/gcc.dg/graphite/id-2.c: New.
3255
3256         * graphite-sese-to-poly.c (build_bb_loops,
3257         add_value_to_dim, scan_tree_for_params_right_scev,
3258         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
3259         find_params_in_bb, build_loop_iteration_domains,
3260         add_conditions_to_domain): Remove subtract.
3261
3262 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3263
3264         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
3265         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
3266         pbb_loop_at_index -> gbb_loop_at_index.
3267         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
3268         (debug_loop_vec): Delete.
3269         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
3270         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
3271         (PBB_LOOPS): Removed.
3272         (PBB_BLACK_BOX): Insert cast.
3273         (pbb_set_black_box): New setter.
3274         (pbb_loop_at_index, pbb_loop_index): Removed.
3275         (scop_set_region, scop_set_nb_params): New.
3276         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
3277         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
3278         (build_poly_scop): Use scop_set_nb_params.
3279         * sese.h (gimple_bb): Add LOOPS.
3280         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
3281
3282 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3283
3284         Revert previous commit.
3285
3286 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3287
3288         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3289         (register_old_and_new_names): Update the content of the map.
3290         When there was already a rename_map_elt in the map at that
3291         location, free it.
3292         (copy_bb_and_scalar_dependences): Do rename_variables after
3293         expand_scalar_variables.
3294         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3295         of the map.  When there was already a rename_map_elt in the
3296         map at that location, free it.
3297         (translate_clast): Pass the rename_map.  Do not initialize and free
3298         a rename_map per stmt_user.
3299         (gloog): Initialize and free one rename_map and pass it to
3300         translate_clast.
3301
3302 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3303
3304         Remove forgotten line in revert.
3305
3306 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3307
3308         Revert previous commit.
3309
3310 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3311
3312         * sese.c (register_old_and_new_names): Update the content
3313         of the map.  When there was already a rename_map_elt in the
3314         map at that location, free it.
3315         (copy_bb_and_scalar_dependences): Do rename_variables after
3316         expand_scalar_variables.
3317         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3318         of the map.  When there was already a rename_map_elt in the
3319         map at that location, free it.
3320         (translate_clast): Pass the rename_map.  Do not initialize and free
3321         a rename_map per stmt_user.
3322         (gloog): Initialize and free one rename_map and pass it to
3323         translate_clast.
3324
3325 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3326
3327         * graphite-clast-to-gimple.c (translate_clast): context_loop
3328         is never NULL.
3329
3330 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3331             Sebastian Pop  <sebastian.pop@amd.com>
3332
3333         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
3334         of the use of ppl_Polyhedron_map_space_dimensions.
3335
3336 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3337             Sebastian Pop  <sebastian.pop@amd.com>
3338
3339         * graphite-poly.c (unify_scattering_dimensions): Fix types.
3340         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
3341         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
3342         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
3343         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
3344         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
3345         pbb_nb_params): New.
3346         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
3347         nb_loops_around_pbb): Adapt return types.
3348
3349 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3350
3351         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3352         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3353         graphite-scop-detection.o, graphite-poly.o): Add
3354         more headers.
3355
3356 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3357
3358         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3359         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3360         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
3361
3362 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3363
3364         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
3365         * testsuite/gcc.dg/graphite/pr37828.c: Same.
3366         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3367         * testsuite/gcc.dg/graphite/block-0.c: Same.
3368         * testsuite/gcc.dg/graphite/block-1.c: Same.
3369         * testsuite/gcc.dg/graphite/block-2.c: Same.
3370         * testsuite/gcc.dg/graphite/block-3.c: Same.
3371         * testsuite/gcc.dg/graphite/block-4.c: Same.
3372         * testsuite/gcc.dg/graphite/block-5.c: Same.
3373         * testsuite/gcc.dg/graphite/block-6.c: Same.
3374         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
3375         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3376         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
3377         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
3378         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
3379         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
3380         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
3381         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
3382         * opts.c: Remove -floop-block from -O2.
3383         * graphite-poly.c: Fail if -floop-block -floop-interchange or
3384         -floop-strip-mine are used.
3385
3386 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3387             Sebastian Pop  <sebastian.pop@amd.com>
3388
3389         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
3390         dimensions.
3391         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
3392         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
3393         strip_mine_profitable_p, is_interchange_valid,
3394         graphite_trans_bb_block, graphite_trans_loop_block,
3395         graphite_trans_scop_block): Temporary removed.
3396         (extend_scattering, unify_scattering_dimensions): New.
3397         (print_scattering_function, graphite_read_transforms):
3398         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3399         (graphite_generate_scattering_fns): Removed.
3400         (apply_poly_transforms): Cleanup.
3401         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3402         (schedule_to_scattering): Moved.
3403         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
3404         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
3405         (pbb_nb_scattering): New.
3406         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3407         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
3408         Removed.
3409         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
3410         shift_poly.
3411         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3412         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
3413         -> PBB_TRANSFORMED_SCATTERING.
3414         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
3415         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
3416         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
3417         (check_poly_representation): Do not return bool.
3418         (graphite_transform_loops): Reformat.
3419         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
3420
3421 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
3422
3423         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
3424         debug_pbb_domain, debug_pbb, debug_scop): New.
3425         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
3426         debug_pbb_domain, debug_pbb, debug_scop): Declared.
3427
3428 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3429
3430         PR middle-end/39335
3431         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3432         when the type precision of the induction variable should be
3433         larger than the type precision of nit.
3434         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3435         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
3436         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3437
3438         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
3439         * testsuite/gcc.dg/graphite/pr39335.c: New.
3440
3441 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3442
3443         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3444         SSA_NAMES not struct reduction_info.
3445
3446 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3447
3448         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
3449
3450 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3451             Tobias Grosser  <grosser@fim.uni-passau.de>
3452
3453         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
3454         (free_sese): Free SESE_REDUCTION_LIST.
3455         * sese.h (struct sese): Add field reduction_list.
3456         (SESE_REDUCTION_LIST): New.
3457         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
3458         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
3459
3460 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3461             Tobias Grosser  <grosser@fim.uni-passau.de>
3462
3463         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
3464         of loop_p.
3465
3466 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3467             Tobias Grosser  <grosser@fim.uni-passau.de>
3468
3469         * tree-parloops.c (struct brli, build_reduction_list_info,
3470         analyze_reduction_list, gather_scalar_reductions): New.
3471         (loop_parallel_p): Build a reduction list containing only
3472         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
3473         (gen_parallel_loop): Call the analysis analyze_reduction_list.
3474         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
3475         * tree-flow.h (gather_scalar_reductions): Declared.
3476
3477 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
3478
3479         PR middle-end/39308
3480         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
3481         number_of_iterations_exit from a gcc_assert.
3482
3483 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
3484             Jan Sjodin  <jan.sjodin@amd.com>
3485
3486         * output.h (graphite_out_file, graphite_in_file): Declared.
3487         * toplev.c (graphite_out_file, graphite_in_file): New.
3488         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
3489         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
3490         Don't call schedule_to_scattering.
3491         * common.opt (fgraphite-write, fgraphite-read): New.
3492         * graphite-poly.c: Include output.h.
3493         (print_scattering_function, print_scattering_functions,
3494         debug_scattering_function, debug_scattering_functions,
3495         graphite_write_transforms, graphite_read_transforms,
3496         graphite_generate_scattering_fns): New.
3497         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
3498         Call graphite_generate_scattering_fns, graphite_write_transforms,
3499         graphite_read_transforms.
3500         (new_poly_bb): Initialize PBB_SCATTERING.
3501         (free_poly_bb): Free PBB_SCATTERING.
3502         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
3503         * graphite-poly.h (struct poly_bb): Add field scattering.
3504         (PBB_SCATTERING): New.
3505         (print_scattering_function, print_scattering_functions,
3506         debug_scattering_function, debug_scattering_functions): Declared.
3507         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
3508         GMP values, not integers!
3509         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
3510         ppl_read_polyhedron_matrix): New.
3511         * graphite-ppl.h (ppl_print_polyhedron_matrix,
3512         debug_ppl_polyhedron_matrix,
3513         ppl_read_polyhedron_matrix): Declared.
3514         * Makefile.in (graphite-poly.o): Depends on output.h.
3515
3516 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3517             Tobias Grosser  <grosser@fim.uni-passau.de>
3518
3519         Revert this change:
3520         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3521         scalar evolutions in the scop_entry->loop_father.
3522
3523 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3524             Tobias Grosser  <grosser@fim.uni-passau.de>
3525
3526         * graphite.h (ref_nb_loops): Remove declaration.
3527         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
3528         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
3529         debug_gbb): Moved to sese.h.
3530         * sese.h: As said.
3531
3532 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3533             Tobias Grosser  <grosser@fim.uni-passau.de>
3534
3535         * graphite-data-ref.[ch]: Disable.
3536
3537 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3538             Tobias Grosser  <grosser@fim.uni-passau.de>
3539
3540         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3541         scalar evolutions in the scop_entry->loop_father.
3542
3543 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3544
3545         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
3546         (graphite_cannot_represent_loop_niter): Renamed
3547         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
3548         (limit_scops): build_sese_loop_nests does not return a bool.
3549         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
3550         * sese.c (nb_reductions_in_loop): ... from here.
3551         (graphite_loop_normal_form): ... from here.
3552         (sese_record_loop): Does not fail, so does not return a bool.
3553         (build_sese_loop_nests): Same.
3554         * sese.h (build_sese_loop_nests): Update declaration.
3555         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
3556         (build_graphite_loop_normal_form): New.
3557         (gloog): Call build_graphite_loop_normal_form.
3558         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
3559         build_sese_loop_nests.
3560
3561         * testsuite/gcc.dg/graphite/id-1.c: New.
3562
3563 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3564             Tobias Grosser  <grosser@fim.uni-passau.de>
3565
3566         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
3567         The SCoP detection fix is sufficient.
3568
3569 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3570
3571         PR tree-optimization/39260
3572         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
3573         the basic block contains a condition with a real type.
3574         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
3575
3576         * gcc.dg/graphite/pr39260.c: New.
3577
3578 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3579
3580         * graphite-poly.c: Inlcude params.h.
3581         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
3582         the size of a tile.
3583         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
3584         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
3585
3586 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3587             Tobias Grosser  <grosser@fim.uni-passau.de>
3588
3589         * graphite-scop-detection.c (dot_all_scops_1,
3590         dot_all_scops): Moved here.
3591         * graphite-scop-detection.h (dot_all_scops): Declared here.
3592         * graphite.c (graphite_initialize, graphite_finalize): New.
3593         (graphite_transform_loops): Cleaned up.
3594         * sese.c (debug_oldivs): Moved here.
3595         * graphite-poly.c (graphite_apply_transformations): Renamed
3596         apply_poly_transforms.
3597         (debug_loop_vec): Moved here.
3598         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
3599         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
3600         find_scop_parameters, build_scop_iteration_domain,
3601         add_conditions_to_constraints, build_scop_canonical_schedules,
3602         build_scop_data_accesses): Now static.
3603         (build_poly_scop, check_poly_representation): New.
3604
3605 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3606
3607         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
3608         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
3609         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
3610         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
3611         scan_tree_for_params_right_scev, scan_tree_for_params_int,
3612         scan_tree_for_params, struct irp_data, dx_record_params,
3613         find_params_in_bb, find_scop_parameters, gbb_from_bb,
3614         build_loop_iteration_domains, add_conditions_to_domain,
3615         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
3616         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
3617         build_sese_conditions, add_conditions_to_constraints,
3618         build_scop_iteration_domain, build_access_matrix_with_af,
3619         build_access_matrix,
3620         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
3621
3622         * graphite-sese-to-poly.c: New.
3623         * graphite-sese-to-poly.h: New.
3624
3625         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
3626
3627 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3628
3629         * graphite.c: Split graphite code generation to a new file.
3630         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
3631         max_precision_type, clast_to_gcc_expression_red,
3632         clast_to_gcc_expression, gcc_type_for_clast_expr,
3633         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
3634         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
3635         graphite_create_new_guard, clast_get_body_of_loop,
3636         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
3637         graphite_create_new_loop, build_iv_mapping, copy_renames,
3638         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3639         compute_cloog_iv_types, free_scattering, save_var_name,
3640         initialize_cloog_names, build_scop_context, build_cloog_prog,
3641         set_cloog_options, debug_clast_stmt, scop_to_clast,
3642         print_generated_program, debug_generated_program,
3643         gloog): Moved to graphite-clast-to-gimple.c.
3644
3645         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
3646
3647         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
3648         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
3649         loop_iv_stack_pop, loop_iv_stack_get_iv,
3650         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
3651         free_loop_iv_stack, loop_iv_stack_remove_constants,
3652         debug_rename_elt, debug_rename_map_1, debug_rename_map,
3653         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
3654         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
3655         eq_ivtype_map_elts, sese_add_exit_phis_edge,
3656         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
3657         get_vdef_before_sese, sese_adjust_vphi,
3658         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
3659         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
3660         is_iv, expand_scalar_variables_ssa_name,
3661         expand_scalar_variables_expr, expand_scalar_variables_stmt,
3662         expand_scalar_variables, rename_variables, remove_condition,
3663         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
3664         add_loop_exit_phis, insert_loop_close_phis, struct igp,
3665         default_liveout_before_guard, add_guard_exit_phis,
3666         insert_guard_phis, register_old_and_new_names,
3667         graphite_copy_stmts_from_block, register_sese_liveout_renames,
3668         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
3669         if_region_set_false_region, create_if_region_on_edge,
3670         move_sese_in_condition): Moved to sese.c.
3671
3672         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
3673         if_region_exit, if_region_get_condition_block,
3674         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
3675         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
3676         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
3677         ivtype_map_elt, new_ivtype_map_elt,
3678         recompute_all_dominators): Moved to sese.h.
3679
3680         * graphite-clast-to-gimple.c: New.
3681         * graphite-clast-to-gimple.h: New.
3682         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
3683         * sese.c: Modified as said above.
3684         * sese.h: Same.
3685
3686 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3687
3688         * graphite.c: Split scop detection to a new file.
3689         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
3690         move_sd_regions, loop_affine_expr, exclude_component_ref,
3691         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
3692         graphite_cannot_represent_loop_niter, struct scopdet_info,
3693         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
3694         find_single_entry_edge, find_single_exit_edge,
3695         create_single_entry_edge, sd_region_without_exit,
3696         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
3697         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
3698         Moved to graphite-scop-detection.c.
3699
3700         * graphite-scop-detection.c: New.
3701         * graphite-scop-detection.h: New.
3702         * Makefile.in: Add new rule for graphite-scop-detection.o.
3703
3704         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
3705         tree-scalar-evolution.h.
3706         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
3707         build_sese_loop_nests): Moved here from graphite.c.
3708         (param_index): Renamed parameter_index_in_region.
3709
3710 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3711             Sebastian Pop  <sebastian.pop@amd.com>
3712
3713         * gcc.dg/graphite/block-0.c: Expected to fail now.
3714         * gcc.dg/graphite/block-1.c: Same.
3715         * gcc.dg/graphite/block-5.c: Same.
3716         * gcc.dg/graphite/block-6.c: Same.
3717
3718 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3719             Sebastian Pop  <sebastian.pop@amd.com>
3720
3721         * graphite.h: Separate from graphite_bb_p the polyhedral
3722         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
3723         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
3724         graphite-data-ref.h.
3725         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
3726         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
3727         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
3728         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3729         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
3730         scop_nb_params): Moved to graphite-poly.h.
3731         * graphite-data-ref.c: Same.
3732         * graphite-data-ref.h: New.
3733         * graphite.c: Same.
3734         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
3735         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
3736         is_interchange_valid, graphite_trans_bb_block,
3737         graphite_trans_loop_block, scop_max_loop_depth,
3738         graphite_trans_scop_block, graphite_apply_transformations,
3739         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
3740         graphite-poly.c.
3741         * graphite-poly.h: New.
3742         * graphite-poly.c: New.
3743         * Makefile.in (OBJS-common): Add graphite-poly.o.
3744         (graphite-poly.o): New rule.
3745         * tree-data-ref.h (struct data_reference): Remove unused scop field.
3746         (DR_SCOP): Removed.
3747
3748 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3749             Tobias Grosser  <grosser@fim.uni-passau.de>
3750
3751         * graphite.c: Replace gb -> gbb.
3752         * graphite.h: Same.
3753         * graphite-data-ref.c: Same.
3754
3755 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3756             Tobias Grosser  <grosser@fim.uni-passau.de>
3757
3758         * Makefile.in (OBJS-commmon): Add sese.o.
3759         (sese.o): New.
3760         (graphite.o): Add sese.h.
3761         * graphite.c (bb_in_ss_p, loop_in_sese_p,
3762         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
3763         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
3764         Move to sese.
3765         (block_before_scop): Add missing return.
3766         (new_scop, free_scop): Remove SESE data structures.
3767         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
3768         find_scop_parameters, build_loop_iteration_domains,
3769         add_conditions_to_domain, register_scop_liveout_renames,
3770         copy_bb_and_scalar_dependences): Scop -> SESE.
3771
3772         (add_conditions_to_domain): SCoP -> SESE and remove check
3773         (scop_contains_non_iv_scalar_phi_nodes): New.
3774         (build_scop_conditions_1, build_scop_conditions): Remove check for
3775         non iv scalar phi nodes.
3776         (print_scop_statistics): New.
3777         (graphite_transform_loops): Cleanup.
3778
3779         * graphite.h: Move to sese & cleanup.
3780         * sese.c: New.
3781         * sese.h: New.
3782
3783 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3784             Tobias Grosser  <grosser@fim.uni-passau.de>
3785
3786         * graphite.c (build_scop_conditions_1): Conditions are only
3787         at the end of a basic block.
3788
3789 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3790             Tobias Grosser  <grosser@fim.uni-passau>
3791
3792         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
3793         field.
3794         (GBB_ALPHA): Removed.
3795
3796 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3797             Tobias Grosser  <grosser@fim.uni-passau.de>
3798
3799         * graphite-data-ref.c (graphite_test_dependence): Don't use
3800         GBB_DYNAMIC_SCHEDULE.
3801         * graphite.c (new_graphite_bb): Same.
3802         (free_graphite_bb): Same.
3803         (build_scop_dynamic_schedules): Removed.
3804         (graphite_transform_loops): Don't call it.
3805         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
3806         (GBB_DYNAMIC_SCHEDULE): Removed.
3807
3808 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3809             Tobias Grosser  <grosser@fim.uni-passau.de>
3810
3811         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3812         (print_graphite_bb): Same.
3813         (build_cloog_prog): Same.
3814
3815 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3816             Tobias Grosser  <grosser@fim.uni-passau.de>
3817
3818         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3819
3820 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3821             Tobias Grosser  <grosser@fim.uni-passau.de>
3822
3823         * graphite.c (build_scop_context): Don't use CloogMatrix.
3824         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3825         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3826
3827 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3828             Tobias Grosser  <grosser@fim.uni-passau.de>
3829
3830         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3831         liveout_renames, add_params fields...
3832         (struct sese): ... here.
3833         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3834         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3835
3836 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3837             Tobias Grosser  <grosser@fim.uni-passau.de>
3838
3839         * graphite.c (print_scop): Do not print the CLooG program.
3840         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3841         build_cloog_prog, gloog): Don't use SCOP_PROG.
3842         (find_transform): Renamed scop_to_clast.
3843         (print_generated_program, debug_generated_program): New.
3844         (graphite_transform_loops): Adapt to new interface.
3845         * graphite.h (struct scop): Remove program field.
3846         (SCOP_PROG): Removed.
3847         (print_generated_program, debug_generated_program): Declared.
3848
3849 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3850
3851         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3852         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3853         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3854         free_graphite_bb, build_scop_canonical_schedules,
3855         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3856         schedules are now represented using a ppl_Linear_Expression_t.
3857         * graphite.h (struct graphite_bb): Same.
3858         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3859         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3860
3861 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3862
3863         * graphite.c: Free local memory.
3864         * graphite-ppl.c: Same.
3865
3866 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3867
3868         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3869         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3870         swap_constraint_variables, scale_constraint_variable): Removed.
3871         (graphite_trans_bb_strip_mine): Remove pong.
3872         * graphite-ppl.c: Include missing header files.
3873         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3874         * graphite-ppl.h (ppl_strip_loop): Declared.
3875         * Makefile.in (graphite-ppl.o): Adjust dependences.
3876
3877 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3878
3879         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3880         (build_scop_iteration_domain): Same.
3881
3882 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3883
3884         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3885         ping pong.
3886         (add_value_to_dim, scan_tree_for_params_right_scev,
3887         scan_tree_for_params_int): New.
3888         * graphite-ppl.c (oppose_constraint): New.
3889         (insert_constraint_into_matrix): Implement missing cases.
3890         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3891
3892 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3893
3894         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3895         use ppl_move_dimension.
3896
3897 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3898
3899         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3900         * graphite.c: Same.
3901         * graphite.h: Same.
3902         * graphite-ppl.c: Same.
3903         * graphite-ppl.h: Same.
3904
3905 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3906
3907         Revert last 3 commits.
3908
3909 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3910
3911         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3912         ping pong.
3913         (add_value_to_dim, scan_tree_for_params_right_scev,
3914         scan_tree_for_params_int): New.
3915         * graphite-ppl.c (oppose_constraint): New.
3916         (insert_constraint_into_matrix): Implement missing cases.
3917         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3918
3919 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3920
3921         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3922
3923 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3924             Tobias Grosser  <grosser@fim.uni-passau.de>
3925
3926         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3927         use ppl_move_dimension.
3928         * graphite-ppl.c (ppl_move_dimension): New.
3929         * graphite-ppl.h (ppl_move_dimension): Declared.
3930
3931 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3932
3933         * graphite.c: Do not include cloog/cloog.h.
3934         (print_graphite_bb): Remove ping pong, call PPL print function.
3935
3936 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3937
3938         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3939         (graphite.o): Add dependence on graphite-ppl.h.
3940         (graphite-ppl.o): New.
3941         (graphite-data-ref.c): Ping pong between PPL data structures
3942         and matrices.
3943         * graphite-ppl.c: New.
3944         * graphite-ppl.h: New.
3945         * graphite.c: Include graphite-ppl.h.
3946         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3947         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3948         Ping pong between PPL data structures and matrices.
3949         (new_graphite_bb): Create a PPL constraint system.
3950         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3951         (build_loop_iteration_domains): Use PPL functions.
3952         * graphite.h: Include graphite-ppl.h.  Fix comments.
3953         (graphite_bb): Use a ppl_Constraint_System_t instead of
3954         CloogMatrix for representing the domain.
3955         (scop): Remove static_schedule.
3956         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3957
3958 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3959
3960         * graphite.c: Fix some comments.
3961
3962 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3963
3964         PR middle-end/38953
3965         * graphite.c (if_region_set_false_region): After moving a region
3966         in the false branch of a condition, remove the empty dummy
3967         basic block.
3968         (gloog): Remove wrong fix for PR38953.
3969
3970 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3971
3972         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3973         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3974         register_bb_in_sese, new_sese, free_sese): Moved.
3975         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3976         outermost_loop_in_scop, build_scop_iteration_domain,
3977         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3978         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3979         Use loop_in_sese_p instead of loop_in_scop_p.
3980         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3981         (free_scop): Do not free SCOP_BBS_B.
3982         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3983         ref_nb_loops): Moved here...
3984         * graphite.h (ref_nb_loops): ... from here.
3985         (struct scop): Remove bbs_b bitmap.
3986         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3987         * testsuite/gcc.dg/graphite/scop-19.c: New
3988
3989 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3990
3991         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3992         detection.
3993
3994 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3995
3996         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3997         eq_loop_to_cloog_loop): Remove.
3998         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3999         * graphite.h (struct scop): Remove loop2cloog_loop.
4000         (loop_domain_dim, loop_iteration_vector_dim): Remove.
4001
4002 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4003
4004         * opts.c (decode_options): Only add graphite options to O2
4005         if we compile with graphite enabled.
4006
4007 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4008
4009         * Merge from mainline (r143163:143684).
4010
4011 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4012
4013         * graphite.c (debug_value): Removed.
4014         * graphite.h (debug_value): Removed.
4015
4016 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4017
4018         * passes.c (init_optimization_passes): Do not call pass_copy_prop
4019         after graphite: pass_copy_prop does not maintain a proper loop closed
4020         SSA form.  pass_copy_prop should be fixed.
4021
4022 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4023
4024         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
4025
4026 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4027
4028         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4029         (gloog): Split the exit of the scop when the scop exit is a loop exit.
4030         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4031         changed the CFG.
4032
4033 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
4034
4035         * graphite.c (gloog): Return true when code gen succeeded.
4036         (graphite_transform_loops): Do not call cleanup_tree_cfg if
4037         the code of the function did not changed.  After cleanup_tree_cfg
4038         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
4039         form.
4040
4041 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
4042
4043         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4044         gimple_call_lhs is NULL.
4045
4046 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4047             Tobias Grosser  <tobi.grosser@amd.com>
4048
4049         * graphite.c (graphite_trans_scop_block): Do not block single
4050         nested loops.
4051
4052 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4053             Tobias Grosser  <tobi.grosser@amd.com>
4054
4055         * graphite.c (build_scop_canonical_schedules): Start schedules at
4056         zero.
4057
4058 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4059             Tobias Grosser  <tobi.grosser@amd.com>
4060
4061         * graphite.c (compare_prefix_loops): New.
4062         (build_scop_canonical_schedules): Rewritten.
4063         (graphite_transform_loops): Move build_scop_canonical_schedules
4064         after build_scop_iteration_domain.
4065
4066 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4067             Tobias Grosser  <tobi.grosser@amd.com>
4068
4069         * graphite.c (add_conditions_to_domain): Add the loops to
4070         the dimension of the iteration domain.  Do copy the domain
4071         only when it exists.
4072         (build_scop_conditions_1): Do not call add_conditions_to_domain.
4073         (add_conditions_to_constraints): New.
4074         (can_generate_code_stmt, can_generate_code): Removed.
4075         (gloog): Do not call can_generate_code.
4076         (graphite_transform_loops): Call add_conditions_to_constraints
4077         after building the iteration domain.
4078
4079 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4080             Tobias Grosser  <tobi.grosser@amd.com>
4081             Jan Sjodin  <jan.sjodin@amd.com>
4082
4083         * graphite.c (scan_tree_for_params): On substractions negate
4084         all the coefficients of the term.
4085         (clast_to_gcc_expression_red): New.  Handle reduction expressions
4086         of more than two operands.
4087         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
4088         (get_vdef_before_scop): Handle also the case of default definitions.
4089
4090 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4091
4092         PR middle-end/38431
4093         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
4094         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
4095         (gloog): Do not call cleanup_tree_cfg.
4096         (graphite_transform_loops): Call cleanup_tree_cfg after all
4097         scops have been code generated.
4098
4099 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4100
4101         * passes.c (init_optimization_passes): Schedule after
4102         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
4103
4104 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4105
4106         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
4107         Fix comment.
4108         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
4109         Set the type of an expression to the type of its assign statement.
4110         (expand_scalar_variables_expr):  Do not pass loop_p.
4111         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
4112         (copy_bb_and_scalar_dependences): Do not pass loop_p.
4113         (translate_clast): Update call to copy_bb_and_scalar_dependences.
4114
4115 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4116
4117         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
4118         an expression to the gimple_expr_type of its assign statement.
4119         (expand_scalar_variables_expr): Stop recursion on tcc_constant
4120         or tcc_declaration.
4121
4122 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4123
4124         PR tree-optimization/38786
4125         * testsuite/gcc.dg/graphite/pr38786.c: New.
4126         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
4127         the SSA_NAME case of expand_scalar_variables_expr.
4128         (expand_scalar_variables_expr): Also gather the scalar computation
4129         used to index the memory access.
4130         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
4131         the gimple_stmt_iterator where it inserts new code.
4132
4133 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4134
4135         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
4136
4137 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4138
4139         * opts.c (decode_options): Enable flag_graphite_identity and
4140         flag_loop_block in -O2 and above.
4141
4142 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4143
4144         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
4145         Fix merge problem: replace with the file from trunk.
4146
4147 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4148
4149         * Merge from mainline (r141727:143163).
4150
4151 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
4152             Jan Sjodin  <jan.sjodin@amd.com>
4153
4154         PR tree-optimization/38559
4155         * testsuite/gcc.dg/graphite/pr38559.c: New.
4156
4157         * graphite.c (debug_value, copy_constraint,
4158         swap_constraint_variables, scale_constraint_variable, ): New.
4159         (get_lower_bound, get_upper_bound): Removed.
4160         (graphite_trans_bb_strip_mine): Clean up this code that works
4161         only for constant number of iterations.  Fully copy upper and
4162         lower bound constraints, not only the constant part of them.
4163         * graphite.h (debug_value): Declared.
4164
4165 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
4166
4167         PR tree-optimization/38492
4168         PR tree-optimization/38498
4169         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4170         * tree-chrec.h (scev_is_linear_expression): Declared.
4171         * graphite.c (graphite_cannot_represent_loop_niter): New.
4172         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4173         (graphite_loop_normal_form): Use gcc_assert.
4174         (scan_tree_for_params): Use CASE_CONVERT.
4175         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4176         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4177         Use gcc_assert.  Discard scops that contain unhandled cases.
4178         (build_scop_conditions): Return a boolean status for unhandled cases.
4179         (strip_mine_profitable_p): Print the loop number, not its depth.
4180         (is_interchange_valid): Pass the depth of the loop nest, don't
4181         recompute it wrongly.
4182         (graphite_trans_bb_block): Same.
4183         (graphite_trans_bb_block): Print tentative of loop blocking.
4184         (graphite_trans_scop_block): Do not print that the loop has been
4185         blocked.
4186         (graphite_transform_loops): Do not handle scops that contain condition
4187         scalar phi nodes.
4188
4189         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
4190         in trunk.
4191         * testsuite/gcc.dg/graphite/block-0.c: Update test.
4192         * testsuite/gcc.dg/graphite/block-1.c: Same.
4193         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
4194         blocking.
4195         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
4196         * testsuite/gcc.dg/graphite/block-3.c: New.
4197         * testsuite/gcc.dg/graphite/pr38498.c: New.
4198
4199 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
4200
4201         PR tree-optimization/38510
4202         * gcc.dg/graphite/pr38510.c: New.
4203         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4204           (translate_clast): Call recompute_all_dominators before
4205           graphite_verify.
4206           (gloog): Call recompute_all_dominators before graphite_verify.
4207
4208 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
4209
4210         PR tree-optimization/38492
4211         * graphite.c (rename_map_elt, debug_rename_elt,
4212         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4213         rename_map_elt_info, eq_rename_map_elts,
4214         get_new_name_from_old_name, bb_in_sese_p): Moved around.
4215         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4216         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4217         (sese_build_livein_liveouts): New.
4218         (new_sese, free_sese): New.
4219         (new_scop): Call new_sese.
4220         (free_scop): Call free_sese.
4221         (rename_variables_from_edge, rename_phis_end_scop): Removed.
4222         (register_old_new_names): Renamed register_old_and_new_names.
4223         (register_scop_liveout_renames, add_loop_exit_phis,
4224         insert_loop_close_phis, struct igp,
4225         default_liveout_before_guard, add_guard_exit_phis,
4226         insert_guard_phis, copy_renames): New.
4227         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4228         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4229         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4230         (scop_adjust_phis_for_liveouts): New.
4231         (gloog): Call scop_adjust_phis_for_liveouts.
4232
4233         * graphite.h (struct sese): Documented.  Added fields liveout,
4234         num_ver and livein.
4235         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4236         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4237         (struct scop): Added field liveout_renames.
4238         (SCOP_LIVEOUT_RENAMES): New.
4239
4240 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4241
4242         PR tree-optimization/38409
4243         * gcc.dg/graphite/pr38409.c: New.
4244         * graphite.c (nb_reductions_in_loop): Use simple_iv.
4245
4246 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4247
4248         * graphite.c (gcc_type_for_cloog_iv): By default return
4249         integer_type_node.
4250         (graphite_create_new_loop): Don't fold_convert the already
4251         fold_convert-ed expression.
4252
4253 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
4254
4255         PR tree-optimization/38446
4256         * gcc.dg/graphite/pr38446.c: New.
4257         * graphite.c (register_bb_in_sese): New.
4258         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
4259         looking at the bbs in the region.
4260         * graphite.h (sese): Add region_basic_blocks pointer set to
4261         structure and initialize at the time of defining new scop.
4262
4263 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4264
4265         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
4266         (find_params_in_bb): Do not free data refs.
4267         (free_graphite_bb): Add FIXME on disabled free_data_refs.
4268
4269 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4270
4271         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
4272         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4273         * testsuite/gcc.dg/graphite/block-5.c: New.
4274         * testsuite/gcc.dg/graphite/block-6.c: New.
4275         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
4276         * testsuite/gcc.dg/graphite/pr37684.c: Same.
4277         * testsuite/gcc.dg/graphite/block-2.c: Same.
4278
4279         * graphite.c (struct ivtype_map_elt): New.
4280         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
4281         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
4282         gcc_type_for_cloog_iv): New.
4283         (loop_iv_stack_patch_for_consts): Use the type of the induction
4284         variable from the original loop, except for the automatically
4285         generated loops, i.e., in the case of a strip-mined loop, in
4286         which case there is no original loop: in that case just use
4287         integer_type_node.
4288         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
4289         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
4290         (clast_name_to_gcc): Accept params to be NULL.
4291         (clast_to_gcc_expression): Take an extra parameter for the type.
4292         Convert to that type all the expressions built by this function.
4293         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
4294         (graphite_translate_clast_equation): Compute the type of the
4295         clast_equation before translating its LHS and RHS.
4296         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
4297         (graphite_create_new_loop): Compute the type of the induction
4298         variable before translating the lower and upper bounds and before
4299         creating the induction variable.
4300         (rename_variables_from_edge, rename_phis_end_scop): New.
4301         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
4302         (sese_add_exit_phis_edge): Do not use integer_zero_node.
4303         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4304         compute_cloog_iv_types): New.
4305         (gloog): Call compute_cloog_iv_types before starting the
4306         translation of the clast.
4307
4308         * graphite.h (struct graphite_bb): New field cloog_iv_types.
4309         (GBB_CLOOG_IV_TYPES): New.
4310         (debug_ivtype_map): Declared.
4311         (oldiv_for_loop): New.
4312
4313 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4314
4315         PR middle-end/38459
4316         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
4317         (param_index): Assert if parameter is not know after parameter
4318         detection.
4319         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
4320         (find_scop_parameters): Mark, that we have finished parameter
4321         detection.
4322         (graphite_transform_loops): Move condition detection before parameter
4323         detection.
4324         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
4325         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
4326
4327 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4328
4329         * graphite.c (graphite_transform_loops): Always call find_transform ()
4330         in ENABLE_CHECKING.  So we test these code paths, even if we do not
4331         generate code.
4332
4333 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4334
4335         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
4336         (print_scop): Ditto.
4337
4338 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4339
4340         PR middle-end/38084
4341         Fix testsuite/gfortran.dg/graphite/id-3.f90.
4342         * graphite.c (scopdet_basic_block_info): Fix bug that found some
4343         regions more than once.
4344
4345 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4346
4347         Fix testsuite/gfortran.dg/graphite/id-4.f90.
4348         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
4349         when not needed.
4350
4351 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4352
4353         Fix testsuite/gfortran.dg/graphite/id-1.f90.
4354         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
4355         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
4356         (max_precision_type): New.
4357         (value_clast): Removed.
4358         (clast_to_gcc_expression): Be more careful to types of expressions.
4359         Use max_precision_type and update use of gmp_cst_to_tree.
4360         (graphite_translate_clast_equation): Use max_precision_type.
4361         (graphite_create_guard_cond_expr): Do not use integer_type_node,
4362         use the type of the condition.
4363         (graphite_create_new_loop): Do not use integer_type_node, use the
4364         max_precision_type of lb and ub.
4365
4366 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4367
4368         * graphite.c (build_scops_1): Initialize open_scop.exit
4369         and sinfo.last.
4370
4371 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4372
4373         * testsuite/gcc.dg/graphite/pr38084.c: New.
4374         * testsuite/gfortran.dg/graphite/id-1.f90: New.
4375         * testsuite/gfortran.dg/graphite/id-2.f90: New.
4376         * testsuite/gfortran.dg/graphite/id-3.f90: New.
4377         * testsuite/gfortran.dg/graphite/id-4.f90: New.
4378         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
4379
4380 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4381             Jan Sjodin  <jan.sjodin@amd.com>
4382             Harsha Jagasia  <harsha.jagasia@amd.com>
4383
4384         PR middle-end/37852
4385         PR middle-end/37883
4386         PR middle-end/37928
4387         PR middle-end/37980
4388         PR middle-end/38038
4389         PR middle-end/38039
4390         PR middle-end/38073
4391         PR middle-end/38083
4392         PR middle-end/38125
4393
4394         * testsuite/gcc.dg/graphite/pr38073.c: New.
4395         * testsuite/gcc.dg/graphite/pr37928.c: New.
4396         * testsuite/gcc.dg/graphite/pr37883.c: New.
4397         * testsuite/gcc.dg/graphite/pr38125.c: New.
4398         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
4399         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
4400         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
4401
4402         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
4403         the number of detected scops.  Copy exact same test for loop
4404         blocking...
4405         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
4406         loops to be blocked as reductions are not handled.
4407         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
4408
4409         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
4410         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
4411         ...here.
4412         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
4413         * Makefile.in (graphite.o): Depend on value-prof.h.
4414         (graphite.o-warn): Removed -Wno-error.
4415         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
4416         to be a NULL pointer.  Call update_stmt.  Return the newly created
4417         cannonical induction variable.
4418
4419         * graphite.h (debug_rename_map): Declared.  Fix some comments.
4420
4421         * graphite.c: Reimplement the code generation from graphite to gimple.
4422         Include value-prof.h.
4423         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
4424         (get_old_iv_from_ssa_name): Removed.
4425         (graphite_stmt_p): New.
4426         (new_graphite_bb): Test for useful statements before building a
4427         graphite statement for the basic block.
4428         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
4429         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
4430         reason.
4431         (recompute_all_dominators, graphite_verify,
4432         nb_reductions_in_loop, graphite_loop_normal_form): New.
4433         (scop_record_loop): Call graphite_loop_normal_form.
4434         (build_scop_loop_nests): Iterate over all the blocks of the
4435         function instead of relying on the incomplete information from
4436         SCOP_BBS.  Return the success of the operation.
4437         (find_params_in_bb): Use the data from GBB_DATA_REFS.
4438         (add_bb_domains): Removed.
4439         (build_loop_iteration_domains): Don't call add_bb_domains.
4440         Add the iteration domain only to the basic blocks that have been
4441         translated to graphite.
4442         (build_scop_conditions_1): Add constraints only if the basic
4443         block have been translated to graphite.
4444         (build_scop_data_accesses): Completely disabled until data
4445         dependence is correctly implemented.
4446         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
4447         (remove_all_edges_1, remove_all_edges): Removed.
4448         (get_new_name_from_old_name): New.
4449         (graphite_rename_variables_in_stmt): Renamed
4450         rename_variables_in_stmt.  Call get_new_name_from_old_name.
4451         Use replace_exp and update_stmt.
4452         (is_old_iv): Renamed is_iv.
4453         (expand_scalar_variables_stmt): Extra parameter for renaming map.
4454         Use replace_exp and update_stmt.
4455         (expand_scalar_variables_expr): Same.  Use the map to get the
4456         new names for the renaming of induction variables and for the
4457         renaming of variables after a basic block has been copied.
4458         (expand_scalar_variables): Same.
4459         (graphite_rename_variables): Renamed rename_variables.
4460         (move_phi_nodes): Removed.
4461         (get_false_edge_from_guard_bb): New.
4462         (build_iv_mapping): Do not insert the induction variable of a
4463         loop in the renaming iv map if the basic block does not belong
4464         to that loop.
4465         (register_old_new_names, graphite_copy_stmts_from_block,
4466         copy_bb_and_scalar_dependences): New.
4467         (translate_clast): Heavily reimplemented: copy basic blocks,
4468         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
4469         At each translation step call graphite_verify ensuring the
4470         consistency of the SSA, loops and dominators information.
4471         (collect_virtual_phis, find_vdef_for_var_in_bb,
4472         find_vdef_for_var_1, find_vdef_for_var,
4473         patch_phis_for_virtual_defs): Removed huge hack.
4474         (mark_old_loops, remove_dead_loops, skip_phi_defs,
4475         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
4476         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
4477         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
4478         if_region_get_condition_block, if_region_set_false_region,
4479         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
4480         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
4481         sese_add_exit_phis_edge, sese_add_exit_phis_var,
4482         rewrite_into_sese_closed_ssa): New.
4483         (gloog): Remove dead code.  Early return if code cannot be
4484         generated.  Call cleanup_tree_cfg once the scop has been code
4485         generated.
4486         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
4487         block loops with less than two loops.
4488         (graphite_apply_transformations): Remove the call to
4489         scop_remove_ignoreable_gbbs.
4490         (limit_scops): When build_scop_loop_nests fails, continue on
4491         the next scop.  Fix open_scop.entry.
4492         (graphite_transform_loops): Call recompute_all_dominators: force the
4493         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
4494         Call initialize_original_copy_tables and free_original_copy_tables
4495         to be able to copy basic blocks during code generation.
4496         When build_scop_loop_nests fails, continue on next scop.
4497         (value_clast): New union.
4498         (clast_to_gcc_expression): Fix type cast warning.
4499
4500 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
4501
4502         * Merge from mainline (r140838:141727).
4503
4504 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4505
4506         PR middle-end/37833
4507
4508         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
4509
4510 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4511
4512         PR middle-end/37943
4513
4514         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
4515         exits and conditions.
4516         * testsuite/gcc.dg/graphite/pr37943.c: New.
4517
4518 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4519
4520         PR middle-end/37886
4521         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
4522
4523 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4524
4525         * doc/invoke.texi: Fix spaces.
4526
4527 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
4528
4529         PR tree-optimization/37891
4530         Reverted last commit.
4531         * graphite.c (create_single_entry_edge): Set
4532         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4533
4534 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
4535             Mitul Thakkar  <mitul.thakkar@amd.com>
4536
4537         * graphite.c (create_single_entry_edge): Set
4538         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4539
4540 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4541
4542         * doc/invoke.texi: Add -fgraphite-identity.
4543         * graphite.c (graphite_apply_transformations): Check for
4544         -fgraphite-identity.
4545         * toplev.c (process_options): Add flag_graphite_identity.
4546         * tree-ssa-loop.c: Add flag_graphite_identity.
4547
4548 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4549
4550         Undo changes from 2008-10-02:
4551         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4552         operand type when copying the operand to a variable of different type.
4553         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4554         with the IV name after increment.
4555
4556 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4557             Harsha Jagasia  <harsha.jagasia@amd.com>
4558
4559         PR tree-optimization/37828
4560         * testsuite/gcc.dg/graphite/pr37828.c: New.
4561         * graphite.c (graphite_trans_loop_block): Do not loop block
4562         single nested loops.
4563
4564 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
4565             Sebastian Pop  <sebastian.pop@amd.com>
4566
4567         * graphite.c (struct rename_map_elt, new_rename_map_elt,
4568         rename_map_elt_info, eq_rename_map_elts): New.
4569         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
4570         (expand_scalar_variables_expr): Change parameters.
4571         (expand_scalar_variables_stmt): Same.
4572         (expand_scalar_variables): Same.
4573         (graphite_rename_ivs): Rename graphite_rename_variables.
4574         (build_iv_mapping): New.
4575         (translate_clast): Call build_iv_mapping.
4576         * graphite.h (gbb_p): New name.
4577
4578 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
4579
4580         PR tree-optimization/37684
4581         * gcc.dg/graphite/pr37684.c: New.
4582         * graphite.c (exclude_component_ref): New.
4583         (is_simple_operand): Call exclude_component_ref.
4584
4585 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
4586             Harsha Jagasia  <harsha.jagasia@amd.com>
4587
4588         PR tree-optimization/37485
4589         * gcc.dg/graphite/block-2.c: New
4590         * graphite.c (gmp_cst_to_tree): Moved.
4591         (iv_stack_entry_is_constant): New.
4592         (iv_stack_entry_is_iv): New.
4593         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
4594         (loop_iv_stack_insert_constant): New.
4595         (loop_iv_stack_pop): Use new datatpype.
4596         (loop_iv_stack_get_iv): Same.
4597         (loop_iv_stack_get_iv_from_name): Same.
4598         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
4599         (loop_iv_stack_patch_for_consts): New.
4600         (loop_iv_stack_remove_constants): New.
4601         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
4602         (translate_clast): Call loop_iv_stack_patch_for_consts and
4603         loop_iv_stack_remove_constants.
4604         (gloog): Use new datatype.  Redirect construction edge to end
4605         block to avoid accidental deletion.
4606         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
4607         iv stack entry.
4608         (union iv_stack_entry_data): New.  Data in iv stack entry.
4609         (struct iv_stack_entry): New.  Datatype for iv stack entries.
4610
4611 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4612
4613         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4614         operand type when copying the operand to a variable of different type.
4615
4616 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4617
4618         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4619         with the IV name after increment.
4620
4621 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4622
4623         * Merge from mainline (r140164:140838).
4624
4625 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4626
4627         * graphite-data-ref.c: New.
4628         * graphite.c (print_scop): Also dump the dependence graph.
4629         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
4630         (new_scop): Initialize SCOP_DEP_GRAPH.
4631         (build_scop_dynamic_schedules): New.
4632         (build_access_matrix_with_af): Fixed column numbering.
4633         (graphite_transform_loops): Call build_scop_dynamic_schedules.
4634         * graphite.h: Add ifndef/define guards against multiple inclusion.
4635         (struct scop): Add dep_graph field.
4636         (SCOP_DEP_GRAPH): Defined.
4637         (ref_nb_loops): Fixed and moved to other position.
4638         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
4639         (nb_loops_around_loop_in_scop): New.
4640         (graphite_dump_dependence_graph): Declared.
4641         (graphite_build_rdg_all_levels): Declared.
4642         (graphite_test_dependence): Declared.
4643         * Makefile.in (graphite-data-ref.o): New target.
4644
4645 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
4646
4647         * Merge from mainline (139870:140164).
4648
4649 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4650
4651         * Merge from mainline (138275:139870).
4652         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
4653         the commits from trunk broke the niter detection.
4654
4655 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4656
4657         * graphite.c: Add more documentation.  Fix formatting.
4658         (debug_loop_vec, debug_oldivs, loop_iv_stack,
4659         loop_iv_stack_debug): Moved...
4660         (schedule_to_scattering): Move before use.
4661         (dot_all_scops): Include in "#if 0" the code for system
4662         call dotty.
4663
4664         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
4665         loop_iv_stack_debug): ...here.
4666
4667 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
4668
4669         * tree-phinodes.c (make_phi_node): Extern.
4670         (add_phi_node_to_bb): New.
4671         (create_phi_node): Call add_phi_node_to_bb.
4672         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
4673         (remove_statement): Handle case where stored phi was updated
4674         and is no longer the same.
4675         * graphite.c (is_parameter): New.
4676         (is_old_iv): New.
4677         (expand_scalar_variables_expr): New.
4678         (expand_scalar_variables_stmt): New.
4679         (expand_scalar_variables): New.
4680         (move_phi_nodes): Create new phi instead of moving old one.
4681         (translate_clast): Call expand_scalar_variables.
4682         (find_vdef_for_var_in_bb): Also scan regular definitions.
4683         (skip_phi_defs): New.
4684         (collect_scop_exit_phi_args): New.
4685         (patch_scop_exit_phi_args): New.
4686         (gloog): Patch phis after scop.
4687         * tree-flow.h: (add_phi_node_to_bb): Declared.
4688         (make_phi_node): Declared.
4689
4690 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4691
4692         * graphite.c (end_scop): Split the entry of the scop when it
4693         is the header of the loop in which the scop is ending.
4694         (build_scops_1, limit_scops): Update uses of end_scop.
4695
4696 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4697
4698         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
4699         SCOP_ENTRY or SCOP_EXIT.
4700
4701 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4702
4703         * graphite.c (get_construction_edge): Removed.
4704         (gloog): Construction edge is the scop entry edge.
4705
4706 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4707
4708         * graphite.c (can_generate_for_scop): Removed.
4709         (gloog): Do not call it.
4710
4711 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4712
4713         * graphite.c (new_scop): Entry of a scop is an edge.
4714         Initialize SESE region.
4715         (free_scop): Free SESE region.
4716         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
4717         (split_difficult_bb): New, split from end_scop.
4718         (end_scop): Exit of a scop is an edge.
4719         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
4720         not automatically updated and thus is always wrong.
4721         * graphite.h (struct sese): New.
4722         (SESE_ENTRY): New.
4723         (SESE_EXIT): New.
4724         (struct scop): New field for a SESE region.  Remove entry, exit.
4725         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
4726         semantics as before.  Moved comment around.
4727
4728 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4729             Sebastian Pop  <sebastian.pop@amd.com>
4730
4731         * graphite.c (graphite_transform_loops): Always enable gloog
4732         and find_transform when ENABLE_CHECKING.
4733
4734 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4735
4736         * graphite.c (graphite_transform_loops): Move pretty printer
4737         of SCOPs before doing any transform.  Remove call to print_scops
4738         and dot_all_scops_1.
4739
4740 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4741
4742         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
4743         (print_graphite_bb): Same.
4744
4745 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4746
4747         * graphite.c (dot_all_scops_1): Cleanup.
4748         (move_scops): Fix comment.
4749
4750 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4751
4752         * graphite.c (build_scop_bbs): Revert commit 139355:
4753
4754         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4755                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4756
4757                 * graphite.c (build_scop_bbs): Factor up code.
4758
4759 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4760
4761         * graphite.c (gloog): Update dominator info.
4762
4763 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4764
4765         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
4766
4767 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4768
4769         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
4770         initialization.
4771         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
4772         (translate_clast): Correct formatting.
4773         * graphite.h (struct num_map): Removed.
4774         (struct graphite_bb): Remove num_map field.
4775         (GBB_INDEX_TO_NUM_MAP): Removed.
4776
4777 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4778
4779         * graphite.c (build_access_matrix_with_af): Fix comments.
4780         (build_scop_data_accesses): Same.
4781
4782 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4783
4784         * graphite.c (build_scop_data_accesses): Don't construct
4785         access matrices.  Add a FIXME and an assert condition that
4786         should pass when the access matrices will be needed.
4787
4788 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4789
4790         * tree-data-ref.c (stmt_simple_memref_p): Don't call
4791         really_constant_p.
4792         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
4793         Moved close by free_graphite_bb.
4794         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
4795         (new_scop): Move close by free_scop.
4796         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
4797
4798 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
4799
4800         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
4801         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
4802         instead of recursive call.
4803         (graphite_translate_clast_equation): New.
4804         (graphite_create_guard_cond_expr): New.
4805         (graphite_create_new_guard): New.
4806         (get_stack_index_from_iv): Removed.
4807         (graphite_rename_ivs_stmt): Use gbb_loop_index.
4808         (get_true_edge_from_guard_bb): New.
4809         (translate_clast): Handle stmt_guard in clast.
4810         (get_construction_edge): Allow construction edge detection for
4811         a scope entry with multiple predecessors if one predecessor is
4812         the immediate dominator of scope entry.
4813         (can_generate_code_stmt): Enable code generation for clast_guard.
4814         (gloog): Use correct context loop.  Removed check for post dominators.
4815         * cfgloop.h (create_empty_if_region_on_edge): Declared.
4816
4817 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4818
4819         * graphite.c (remove_dead_loops): Document better which
4820         loops are removed.
4821
4822 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4823
4824         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
4825         and PPLINC.
4826         (graphite.o): Also depends on pointer-set.h.
4827
4828 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4829
4830         * graphite.c (scop_record_loop): Fix compile warning.
4831
4832 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
4833             Sebastian Pop  <sebastian.pop@amd.com>
4834
4835         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
4836
4837 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4838
4839         * graphite.c (build_graphite_bb): Initialize bb->aux to
4840         point to the graphite_bb_p.
4841         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
4842         content of bb->aux.
4843         (add_bb_domains): Does not use the scop parameter.
4844         (graphite_transform_loops): Clean bb->aux at the end.
4845
4846 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4847             Sebastian Pop  <sebastian.pop@amd.com>
4848
4849         * testsuite/lib/target-supports.exp
4850         (check_effective_target_fgraphite): New.
4851
4852         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
4853         check_effective_target_fgraphite returns false.
4854         Set dg-do-what-default to compile.
4855         (scan-graphite-dump-times): Removed.
4856         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
4857
4858         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
4859         Use scan-tree-dump-times instead of scan-graphite-dump-times.
4860         * testsuite/gcc.dg/graphite/scop-1.c: Same.
4861         * testsuite/gcc.dg/graphite/scop-2.c: Same.
4862         * testsuite/gcc.dg/graphite/scop-3.c: Same.
4863         * testsuite/gcc.dg/graphite/scop-4.c: Same.
4864         * testsuite/gcc.dg/graphite/scop-5.c: Same.
4865         * testsuite/gcc.dg/graphite/scop-6.c: Same.
4866         * testsuite/gcc.dg/graphite/scop-7.c: Same.
4867         * testsuite/gcc.dg/graphite/scop-8.c: Same.
4868         * testsuite/gcc.dg/graphite/scop-9.c: Same.
4869         * testsuite/gcc.dg/graphite/scop-10.c: Same.
4870         * testsuite/gcc.dg/graphite/scop-11.c: Same.
4871         * testsuite/gcc.dg/graphite/scop-12.c: Same.
4872         * testsuite/gcc.dg/graphite/scop-13.c: Same.
4873         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
4874         * testsuite/gcc.dg/graphite/scop-14.c: Same.
4875         * testsuite/gcc.dg/graphite/scop-15.c: Same.
4876         * testsuite/gcc.dg/graphite/block-0.c: Same.
4877         * testsuite/gcc.dg/graphite/scop-16.c: Same.
4878         * testsuite/gcc.dg/graphite/block-1.c: Same.
4879         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4880         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4881         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
4882         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
4883         * testsuite/gfortran.dg/graphite/block-2.f: Same.
4884
4885 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4886
4887         * graphite.c: Fix some XXX comments.
4888         (build_scop_dynamic_schedules): Removed.
4889
4890 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4891
4892         * graphite.h (scop_max_loop_depth): Moved...
4893         * graphite.c (scop_max_loop_depth): ...here.
4894         (remove_all_edges_1): New.
4895         (remove_all_edges): Factored code.
4896         (remove_cond_exprs): Check only the last statement for
4897         a GIMPLE_COND expression.
4898
4899 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4900
4901         * graphite.c (scan_tree_for_params): Early return when the
4902         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
4903         (find_scop_parameters): Factor out code.
4904         (graphite_trans_bb_strip_mine): Remove dead code.
4905
4906 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4907
4908         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
4909         graphite_trans_bb_move_loop): Factor asserts.
4910         (gloog): Perform sanity checks only for ENABLE_CHECKING.
4911         Do not call calculate_dominance_info and estimate_bb_frequencies.
4912
4913 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
4914
4915         * graphite.c (create_loops_mapping, free_loops_mapping,
4916         create_loops_mapping_num, debug_loop_mapping_1,
4917         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
4918         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
4919         graphite_loops_mapping_add_child_num,
4920         graphite_loops_mapping_insert_child,
4921         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
4922         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
4923         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
4924         create_num_from_index, get_num_from_index,
4925         swap_loop_mapped_depth): Removed.
4926         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
4927         (free_scop): Do not call free_loops_mapping.
4928         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
4929         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
4930         get_loop_mapped_depth.
4931         (graphite_trans_bb_move_loop): Do not update the loop mapping.
4932         (graphite_trans_bb_strip_mine): Same.
4933         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
4934         (struct scop): Remove field loops_mapping.
4935
4936 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4937             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4938
4939         * graphite.c (scop_record_loop): Factor out one level of the
4940         condition by early return.
4941         (build_scop_loop_nests): Format following FSF coding style.
4942         (build_scop_dynamic_schedules): Factor out code.
4943         (scopdet_bb_info): Reindent.  Default case should not be reachable.
4944
4945 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4946             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4947
4948         * graphite.c (loop_affine_expr): Check for DECL_P or struct
4949         assignments that are not handled as simple operands for now.
4950
4951 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4952             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4953
4954         * graphite.c (build_scop_bbs): Factor up code.
4955
4956 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4957             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4958
4959         * graphite.c (stmt_simple_for_scop_p): Factor code out
4960         of the loop.
4961         (enum gbb_type): New.  Group all the GBB_* types under it.
4962         (is_loop_exit): Moved...
4963         (end_scop): Enable BB spliting.
4964         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
4965         * cfgloop.h (is_loop_exit): Declared.
4966
4967 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4968
4969         * doc/invoke.texi: Remove strides from examples containing
4970         DO loops when the strides are equal to 1.
4971
4972 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
4973             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4974
4975         * graphite.c (graphite_trans_scop_block): Or the result with
4976         the result from graphite_trans_loop_block.
4977         * testsuite/gcc.dg/graphite/block-1.c: New.
4978         * testsuite/gfortran.dg/graphite/block-1.f90: New.
4979         * testsuite/gfortran.dg/graphite/block-2.f: New.
4980
4981 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4982
4983         * graphite.c (graphite_transform_loops): Call cloog_initialize
4984         and cloog_finalize.
4985
4986 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4987
4988         * tree-data-ref.c) (stmt_simple_memref_p): New.
4989         * tree-data-ref.h (stmt_simple_memref_p): Declared.
4990         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
4991         (is_simple_operand): Call stmt_simple_memref_p.
4992
4993         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
4994         using pointer arithmetic, as this is optimized by PRE and
4995         makes the code too difficult to analyze.
4996
4997         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4998
4999 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5000
5001         * gdbinit.in (pgg): New.
5002
5003 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5004
5005         * graphite.c (graphite_trans_loop_block): Fix warning.
5006
5007 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5008
5009         * graphite.c (graphite_trans_loop_block): Fix my merge error.
5010
5011 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5012
5013         * graphite.c (graphite_trans_bb_block): Remove check for
5014         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
5015         Check if loop blocking is profitable for every loop, before applying
5016         the changes.
5017         (graphite_apply_transformations): Call graphite_trans_bb_block only,
5018         if flag_loop_block is set.
5019
5020 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5021
5022         * graphite.c: Add some more documentation for the loop
5023         mapping.
5024
5025 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5026
5027         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
5028         * graphite.c: Format on less than 80 columns.
5029         * graphite.h: Same.
5030
5031 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5032
5033         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
5034
5035 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5036
5037         * doc/invoke.texi (floop-block, floop-strip-mine,
5038         floop-interchange): Update documentation with examples.
5039
5040 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5041
5042         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
5043         add_referenced_var.
5044         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
5045
5046 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5047
5048         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
5049         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
5050         * tree-scalar-evolution.c: Revert useless changes.
5051         * tree-phinodes.c: Same.
5052         * cfghooks.c: Same.
5053         * vec.h: Same.
5054         * tree-vectorizer.h: Same.
5055         * tree-flow.h: Same.
5056         * tree-cfg.c: Same.
5057         * common.opt (fgraphite): Update documentation.
5058
5059 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
5060
5061         * doc/invoke.texi (-floop-block, -floop-strip-mine,
5062         -floop-interchange): Add more text for explaining what each of these
5063         flags is doing.
5064         * tree-into-ssa.c (gimple_vec): Moved to...
5065         * graphite.c: Include gimple.h.
5066         (gimple_vec): Moved to...
5067         (del_loop_to_cloog_loop): Removed.
5068         (loop_affine_expr): Do not call create_data_ref when the
5069         operand is a constant.
5070         (new_scop): Use free instead of del_loop_to_cloog_loop.
5071         * Makefile.in (graphite.o): Depend on GIMPLE_H.
5072         * gimple.h (gimple_vec): ... here.
5073
5074 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5075
5076         * graphite.c (scopdet_bb_info): Only allow loops with known number of
5077         latch executions.
5078         (build_loop_iteration_domains): Fail, if latch executions unknown.
5079
5080 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5081
5082         * graphite.c (add_conditions_to_domain): New.
5083         (build_scop_conditions_1): Call add_conditions_to_domain.
5084         (set_cloog_options): Allow to disable optimizations.
5085
5086 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5087
5088         * graphite.c (find_params_in_bb): Look for parameters in conditions.
5089         Do not use walk_dominator_tree.
5090         (find_scop_parameters): Do not use walk_dominator_tree.
5091
5092 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5093
5094         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
5095         (idx_record_params): Adapt.
5096         * graphite.h (scop_gimple_loop_depth): New.
5097
5098 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5099
5100         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
5101         (scan_tree_for_params): Remove value_init.
5102         (build_scop_context): Remove value_init.
5103         (build_loop_iteration_domains): Remove value_init.
5104         (schedule_to_scattering): Remove value_init.
5105         (graphite_trans_bb_strip_mine): Remove value_init.
5106
5107 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5108
5109         * gcc/graphite.c (limit_scops): New.
5110         (graphite_transform_loops): Add limit SCoPs.
5111         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
5112         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
5113         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
5114         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
5115         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
5116         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
5117         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
5118         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
5119         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
5120         Change loop numbers.
5121         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
5122         Change loop numbers.
5123         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
5124         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
5125         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
5126         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
5127         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
5128         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
5129         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
5130         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
5131         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
5132         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
5133
5134 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5135
5136         * graphite.c (graphite_transform_loops): Call always find_transform.
5137
5138 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5139
5140         * graphite.c (free_loops_mapping): New.
5141         (stmt_simple_for_scop_p): Fix typo.
5142         (stmt_simple_for_scop_p): Fix tuples functions, that
5143         broke polyhedron.
5144         (free_graphite_bb): Fix some memleaks.
5145         (free_scop): Fix some memleaks.
5146         (scopdet_bb_info): Do not forget some tmp SCoPs.
5147         (find_params_in_bb): Fix some memleaks.
5148         (clast_to_gcc_expression): Fix warning.
5149
5150 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5151
5152         * testsuite/gcc.dg/graphite/scop-16.c: Fix for 32bit.
5153         * testsuite/gcc.dg/graphite/scop-17.c: Fix for 32bit.
5154
5155 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5156
5157         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
5158         Move code ifdef-ed HAVE_cloog...
5159         * graphite.c: Include toplev.h.
5160         ... here.
5161         * Makefile.in (OBJS-common): Always build graphite.o.
5162         (BACKEND): Remove @GRAPHITE@.
5163         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
5164         (graphite.o): Depend on TOPLEV_H.
5165
5166 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5167
5168         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
5169         Remove typo left from polylib to ppl conversion.
5170         * graphite.c (graphite_transforms): Use sorry instead of fatal.
5171
5172 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5173
5174         * toplev.c (process_options): Move the graphite loop optimization
5175         flags...
5176         * tree-ssa-loop.c (graphite_transforms): ... here.
5177         When not configured with CLooG, print to dump_file that
5178         Graphite transforms were not performed.
5179         * testsuite/gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
5180         New.
5181         * testsuite/gcc.dg/graphite/*.c: Updated all testcases to use
5182         scan-graphite-dump-times.
5183
5184 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5185
5186         * graphite.c (dot_scop, dot_all_scops): Do not call system.
5187         Do not open /tmp/scop.dot and /tmp/allscops.dot.
5188
5189 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
5190             Jan Sjodin  <jan.sjodin@amd.com>
5191
5192         * configure: Regenerated.
5193         * omp-low.c (expand_omp_sections): Remove now unused code.
5194         * config.in (HAVE_polylib): Removed.
5195         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
5196         (PPLLIBS, PPLINC): Added.
5197         * graphite.c: Replace unsigned with int wherever possible.
5198         Don't access Cloog's data structures, but use accessor functions.
5199         Clast's stmt->type is now implemented as a vtable: change the
5200         switches of stmt->type into ifs.
5201         (polylib/polylibgmp.h): Don't include.
5202         (initialize_dependence_polyhedron,
5203         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5204         statement_precedes_p, test_dependence, build_rdg_all_levels,
5205         dump_dependence_graph): Removed until this code is cleaned up
5206         or ported to Cloog.
5207         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
5208         (POLYLIBINC): Renamed PPLINC.
5209
5210 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
5211             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5212             Jan Sjodin  <jan.sjodin@amd.com>
5213
5214         Finish the merge and tuplification of graphite.
5215
5216 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5217             Jan Sjodin  <jan.sjodin@amd.com>
5218
5219         Partial merge from mainline (138072:138275).
5220         * graphite.c still has to be tuplified.
5221
5222 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
5223
5224         * graphite.c (graphite_loops_mapping_max_loop_num): New.
5225         (create_num_from_index): New.
5226         (get_num_from_index): Also pass in the graphite BB.
5227         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
5228         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
5229         (graphite_trans_bb_strip_mine): Call create_num_from_index.
5230         (is_interchange_valid): Return false when failing.
5231         * graphite.h (struct num_map): New.
5232         (struct graphite_bb): New field num_map.
5233         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
5234
5235 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5236
5237         * graphite.c (dump_gbb_conditions): Print also conditions like
5238         "if (a)".  Remove dublicated code and use print_generic_expr ().
5239         (stmt_simple_for_scop_p): Only allow conditions we can handle
5240         {<, <=, >, >=}.
5241
5242 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5243
5244         * graphite.h (struct scop): Removed new_ivs field.
5245         (SCOP_NEWIVS): Deleted.
5246         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
5247         clast_to_gcc_expression, graphite_create_new_loop):
5248         Removed use of new_ivs.
5249
5250 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5251
5252         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
5253         create_loops_mapping_num, debug_loop_mapping_1): New.
5254         (debug_loop_mapping): Call debug_loop_mapping_1.
5255         (get_loop_mapping_for_num,
5256         graphite_loops_mapping_add_child,
5257         graphite_loops_mapping_add_child_num,
5258         graphite_loops_mapping_insert_child,
5259         graphite_loops_mapping_parent,
5260         split_loop_mapped_depth_for_num,
5261         loop_mapped_depth_split_loop): New.
5262         (increment_loop_mapped_depths): Removed.
5263         (swap_loop_mapped_depth_for_num): Reimplemented.
5264         (new_scop): Call create_loops_mapping.
5265         (scop_record_loop): Call graphite_loops_mapping_insert_child.
5266         (translate_clast): Pass the old loop father in parameter, and pass
5267         it to get_old_iv_from_ssa_name.
5268         (remove_edges_around_useless_blocks, can_generate_code_stmt,
5269         can_generate_code, can_generate_for_scop): New.
5270         (graphite_trans_bb_block): Returns false when it fails to transform.
5271         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
5272
5273 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5274
5275         Reverted all the changes related to the streamization and
5276         loop fusion.
5277         These changes are now tracked in the streamization branch.
5278
5279 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5280             Jan Sjodin  <jan.sjodin@amd.com>
5281
5282         * graphite.c (gbb_compare): Correctly constify.
5283         (gbb_can_be_ignored): Indent.
5284         (graphite_trans_scop_swap_1and2): Add legality check.
5285         Remove dead FIXMEs.
5286
5287 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5288
5289         Remove fallouts from "Reverted the Condate changes".
5290         * tree.h: Remove unused decl.
5291         * testsuite/gcc.dg/tree-checker: Same.
5292         * timevar.def: Remove counter.
5293
5294 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5295
5296         * Merge from mainline (135673:138072).
5297
5298         Reverted the MIRO changes (from 2008-04-05) that are now
5299         tracked in the miro branch.
5300         * tree-bounds.c: Removed.
5301         * tree-bounds.h: Removed.
5302
5303         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
5304         are now tracked in the condate branch.
5305         * tree-check.c: Removed.
5306         * tree-match.c: Removed.
5307         * condate.y: Removed.
5308
5309 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5310
5311         * common.opt: New user flag -floop-block, -floop-strip-mine
5312         and -floop-interchange.
5313         * toplev.c (process_options): Enable -fgraphite pass if any one of the
5314         graphite loop optimization flags is turned on.
5315         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
5316         flag_loop_strip_mine and flag_loop_interchange checks before
5317         optimizations.
5318         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
5319         -floop-strip-mine and -floop-interchange.
5320         * testsuite/gcc.dg/graphite/block-0.c: Add -floop-block and remove
5321         -fgraphite.
5322         * testsuite/gcc.dg/graphite/scop-16.c: Ditto.
5323         * testsuite/gcc.dg/graphite/scop-17.c: Ditto.
5324         * testsuite/gcc.dg/graphite/scop-18.c: Ditto.
5325
5326 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
5327             Sebastian Pop  <sebastian.pop@amd.com>
5328
5329         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
5330         (create_empty_loop_on_edge): More fixes.
5331         * tree-phinodes.c (resize_phi_node): Extern.
5332         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
5333         * cfghooks.c (update_dominator_information): New split from
5334         split_edge.
5335         * tree-vectorizer.c (rename_variables_in_bb): Extern.
5336         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
5337         successor of the function entry block.
5338
5339         * graphite.c: Include pointer-set.h.
5340         (debug_loop_mapping, increment_loop_mapped_depths,
5341         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
5342         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
5343         swap_loop_mapped_depth_for_num, get_num_from_index,
5344         swap_loop_mapped_depth, loop_iv_stack_debug,
5345         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
5346         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
5347         get_old_iv_from_ssa_name): New.
5348         (new_scop): Initialize SCOP_LOOPS_MAPPING.
5349         (free_scop): Free SCOP_LOOPS_MAPPING.
5350         (scop_record_loop): Record old ivs.
5351         (create_var_name): Removed.
5352         (initialize_cloog_names): Allocate double space in case strip mine
5353         applies to all loops once.
5354         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
5355         (clast_to_gcc_expression): Same.  Implement more clast to gimple
5356         translation.
5357         (graphite_create_new_loop): Pass in ivstack.
5358         (remove_all_edges): Pass in the construction_edge.
5359         (graphite_remove_iv): Removed.
5360         (graphite_rename_ivs, graphite_rename_ivs_stmt,
5361         remove_cond_exprs): Rewritten.
5362         (move_phi_nodes): New.
5363         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
5364         (translate_clast): Pass in ivstack.  Rewrite some cases.
5365         (set_cloog_options, debug_clast_stmt): New.
5366         (find_transform): Use set_cloog_options.
5367         (outermost_loop_layer): Removed.
5368         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
5369         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
5370         mark_old_loops, remove_dead_loops): New.
5371         (gloog): Rewritten.
5372         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
5373         (const_column_index, get_first_matching_sign_row_index,
5374         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
5375         get_upper_bound): New.
5376         (graphite_trans_bb_strip_mine): Also update the iv map.
5377
5378         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
5379         (struct name_tree): Add a loop field.
5380         (struct scop): Add a graphite_loops_mapping field.
5381         (SCOP_LOOPS_MAPPING): New.
5382         (debug_clast_stmt): Declare.
5383         * lambda.h (find_induction_var_from_exit_cond): Declare.
5384         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
5385         * cfgloop.h (update_dominators_in_loop): Removed declaration.
5386         (create_empty_loop_on_edge): Updated.
5387         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
5388         rename_variables_in_bb): Declare.
5389         * tree-cfg.c (remove_bb): Extern.
5390
5391         * testsuite/gcc.dg/graphite/block-0.c: New.
5392
5393 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5394             Sebastian Pop  <sebastian.pop@amd.com>
5395
5396         * graphite.c (strip_mine_profitable_p): New.
5397         (graphite_trans_bb_block): Disable strip mining if not profitable.
5398
5399         * testsuite/gcc.dg/graphite/scop-18.c: New.
5400         * testsuite/gcc.dg/graphite/scop-17.c: Fixed.
5401         * testsuite/gcc.dg/graphite/scop-16.c: Fixed.
5402
5403 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
5404             Jan Sjodin  <jan.sjodin@amd.com>
5405             Sebastian Pop  <sebastian.pop@amd.com>
5406
5407         * graphite.c (is_interchange_valid): New.
5408         (graphite_trans_bb_block): Check loop nest of basic block for legality
5409         of interchange.
5410
5411         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
5412         outer_most_loop, gbb_outer_most_loop_index): New.
5413
5414         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
5415         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
5416         * testsuite/gcc.dg/graphite/scop-16.c: New.
5417         * testsuite/gcc.dg/graphite/scop-17.c: New.
5418
5419 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5420
5421         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
5422         (graphite_trans_scop_block): Ignore SCoPs without bbs.
5423
5424 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5425
5426         * graphite.c (new_scop): Initialize SCOP_EXIT.
5427         (scopdet_info): Add.
5428         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
5429         (build_scops_1): Cleanup, bugfixes.
5430         (build_scops): Cleanup.
5431
5432         * testsuite/gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
5433         * testsuite/gcc.dg/graphite/scop-15.c: Add SCoP numbers.
5434
5435 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5436
5437         * testsuite/gfortran.dg/graphite/scop-1.f: Update to reduced test case.
5438
5439         * testsuite/gfortran.dg/graphite/graphite.exp: Use
5440         DEFAULT_GRAPHITE_FLAGS.
5441
5442         * testsuite/gcc.dg/graphite/scop-15.c: Update to reduced test case.
5443
5444 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5445
5446         * graphite.c (scan_tree_for_params): Do not assert any more if
5447         MULT_EXPR parameter is negative.
5448
5449         * testsuite/gfortran.dg/graphite/scop-1.f: New.
5450
5451         * testsuite/gfortran.dg/graphite/graphite.exp: New.
5452
5453         * testsuite/gcc.dg/graphite/scop-15.c: New.
5454
5455 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5456
5457         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
5458
5459 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5460
5461         * graphite.c (graphite_trans_bb_swap_loops): Rename from
5462         graphite_swap_loops.
5463         (graphite_trans_bb_move_loop): New.
5464         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
5465         (graphite_trans_bb_block): New.
5466         (graphite_trans_loop_block): New.
5467         (graphite_trans_scop_swap_1and2): Rename from
5468         graphite_trans_swap_1and2.
5469         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
5470         (graphite_trans_scop_block): New.
5471         (graphite_apply_transformations): Rename from
5472         graphite_transformations.
5473
5474         * testsuite/gcc.dg/graphite/scop-matmult.c: New.
5475
5476 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5477
5478         * graphite.c (gbb_compare): New.
5479         (graphite_sort_gbbs): New.
5480         (gbb_can_be_ignored): New.
5481         (scop_remove_ignoreable_gbbs): New.
5482         (graphite_transformations): Cleanup and add
5483         scop_remove_ignoreable_gbbs.
5484         * lambda.h (lambda_vector_compare): New.
5485
5486 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5487
5488         * graphite.c (print_graphite_bb): Correct printing of static schedule.
5489         (graphite_swap_loops): int -> unsigned
5490         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
5491         (graphite_transformations): New.
5492         (graphite_transform_loops): Move to graphite_transformations.
5493         * graphite.h (gbb_nb_loops): Return unsigned.
5494
5495 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5496
5497         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
5498         the domain matrix.  This makes scop-0.c work again.
5499
5500 2008-06-20  Richard Guenther  <rguenther@suse.de>
5501
5502         * graphite.h: Adjust copyright to GPLv3.
5503         * graphite.c: Likewise.
5504         (stmt_simple_memref_for_scop_p): Split out from ...
5505         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
5506         and simplify.
5507         (get_bb_type): Optimize.
5508         (is_pred): Remove.
5509         (is_bb_addable): Fix memleak, replace is_pred call with
5510         single_pred.
5511         (build_scops): Use current_loops.
5512         (param_index): Fix memleak.
5513
5514 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5515
5516         * graphite.c: Fix formatting.
5517
5518 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5519
5520         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
5521         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
5522         (create_var_name, save_var_name): Newly defined functions.
5523         (initialize_cloog_names): Part of the code factored out to
5524         save_var_name.
5525         (clast_to_gcc_expression): Now handles the case of clast_red_sum
5526         in clast_reduction statement.
5527         (graphite_create_new_loop): Now takes a new parameter
5528         for outer_loop.
5529         (translate_clast): Now also takes the context_loop and bb_exit
5530         parameters. Rewritten the code so that it creates a gimple code
5531         inside the given context.
5532         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
5533         remove_cond_expr, disconnect_cond_expr,
5534         disconnect_virtual_phi_nodes): Newly defined functions.
5535         * graphite.h (struct scop): added old_ivs vector.
5536         SCOP_OLDIVS: New macro.
5537
5538 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
5539
5540         * cfgloopmanip.c: Add missing function comments, fix formatting.
5541
5542 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5543
5544         * cfgloopmanip.c (update_dominators_in_loop): Defined.
5545         (create_empty_loop_on_edge): Defined.
5546         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
5547         instead of void.
5548         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
5549         (update_dominators_in_loop): Declared as extern
5550         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
5551
5552 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5553
5554         * graphite.c (print_graphite_bb): Allow changing number of loops
5555         in SCoP domain.
5556         (initialize_cloog_names): Allow changing number of loops.
5557         (build_cloog_prog): Simplify.
5558         (find_transform): Enable cloog option --strides.
5559         (graphite_swap_loops): New.
5560         (graphite_strip_mine_loop): New.
5561         (graphite_trans_swap_1and2): New.
5562         (graphite_trans_strip): New.
5563         (graphite_transform_loops): Add graphite_trans_strip.
5564         * graphite.h (scop_max_loop_depth): New.
5565
5566 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5567
5568         * graphite.c (build_scop_iteration_domain): Remove forgotten
5569         line. (Fixes compile)
5570
5571 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5572
5573         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
5574         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
5575         (build_bb_loops): New.
5576         (graphite_transform_loops): Add build_bb_loops.
5577         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
5578         numbers.
5579         * graphite.h (graphite_bb): Add loops.
5580         (gbb_nb_loops): New.
5581         (gbb_loop_at_index): New.
5582         (gbb_loop_index): New.
5583         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
5584         using nb_params_in_scop.
5585
5586 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5587
5588         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
5589         (build_scop_canonical_schedules): Build minimized schedule.
5590         (schedule_to_scattering): Adapt to minimized schedule.
5591         * graphite.h (graphite_bb): Add/Update descriptions.
5592
5593 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
5594             Tobias Grosser  <grosser@fim.uni-passau.de>
5595
5596         * graphite.c (print_graphite_bb): Add condition printing.
5597         (dump_value): New.
5598         (dump_gbb_conditions): New.
5599         (build_scop_conditions_1): New.
5600         (build_scop_conditions): New.
5601         * graphite.h (graphite_bb): Add conditions.
5602
5603 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5604
5605         * graphite.c (print_graphite_bb):
5606         (free_graphite_bb): New.
5607         (free_scop): Free bbs.
5608         (get_bb_type): Free doms.
5609         (build_scop_context): Free context matrix.
5610         (build_loop_iteration_domains): Remove unused code.
5611         (build_cloog_prog): Free scattering function and blocklist.
5612         (find_transform): Free options.
5613
5614 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5615
5616         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
5617         Remove unnecessery cloog data structures. Make a copy of the domain
5618         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
5619         unnecessary cloog data structures. Fix memory leaks. Remove insert
5620         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
5621         used.
5622         (build_scop_iteration_domain): Remove unnecessary cloog
5623         data structures.  Fix memory leaks.
5624         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
5625         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
5626
5627 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5628
5629         * graphite.c (find_scop_params): Remove initialize_cloog_names.
5630
5631 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5632
5633         * graphite.c (end_scop): Style fix.
5634         (schedule_to_scattering): Style and comment fix.
5635
5636 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5637         * graphite.c (print_graphite_bb): Fix definiton of
5638         schedule_to_scattering.
5639         (initialize_cloog_names): Change nb_scattdims to max loop
5640         depth in SCoP.
5641         (schedule_to_scattering): Take parameter for number of scattering
5642         dimensions.
5643         (build_cloog_prog): Only build as much scattering dimensions as
5644         necessary.
5645
5646 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5647
5648         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
5649         in polyhedron/aermod.f90.
5650
5651 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5652             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
5653             Harsha Jagasia  <harsha.jagasia@amd.com>
5654
5655         * graphite.c (is_bb_addable): Fix segfault.
5656
5657 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5658
5659         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
5660         with multiple exits and conditional handling in edge cases.
5661         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
5662
5663         * testsuite/gcc.dg/graphite/scop-14.c: New.
5664
5665 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5666             Adrien Eliche  <aeliche@isty.uvsq.fr>
5667
5668         * graphite.c (is_bb_addable): Add more comments and enhance
5669         readablity of the source code. Fix memory leak.
5670         (is_loop_exit): Fix memory leak.
5671
5672 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5673
5674         * graphite.c (first_loop_in_scop): Deleted.
5675         (setup_cloog_loop): Only walk the loop chain for inner loops.
5676         (build_scop_iteration_domain): Execute setup_cloog_loop for
5677         all loops in the first layer.
5678
5679 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5680
5681         * graphite.c (scan_tree_for_params): Change the way params are
5682         added to be indepenent of the number of loops.
5683         (setup_cloog_loop): Revert to short matrix format. Fix parameter
5684         handling.
5685         (build_cloog_prog): Revert to short matrix format.
5686
5687 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5688             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
5689
5690         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
5691         warning.
5692
5693 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5694
5695         * graphite.c (nb_data_refs_in_scop): New.
5696         (graphite_transform_loops): Print more stats: number of
5697         loops, basic blocks and data references per scop.
5698
5699 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5700             Jan Sjodin  <jan.sjodin@amd.com>
5701
5702         * graphite.c (loop_affine_expr, idx_record_params,
5703         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
5704         instead of instantiate_parameters.
5705
5706 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5707
5708         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
5709         add support for parameters, add STATIC_SCHEDULE at the right places,
5710         cleanup.
5711
5712 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5713
5714         * graphite.c (build_scop_loop_nests): Only add the loops, that
5715         are contained completely in the SCoP.
5716         (build_cloog_prog): Disable scattering, until schedule_to_scattering
5717         and the domains are fixed.
5718         (build_scop_canonical_schedules): Add support for bbs not contained
5719         in any SCoP.
5720
5721 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5722
5723         * graphite.h (scop_contains_loop): Update comments to match
5724         the actual behavior.
5725         (scop_contains_loop): New.
5726         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
5727
5728 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5729
5730         * graphite.c (get_bb_type): On function body, i.e. loop_0,
5731         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
5732         as GBB_COND_HEADER.
5733
5734 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5735             Tobias Grosser  <grosser@fim.uni-passau.de>
5736
5737         * graphite.c (graphite_transform_loops): Early return when
5738         there are no loops in the function.
5739
5740 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5741             Jan Sjodin  <jan.sjodin@amd.com>
5742
5743         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
5744         offset of the last loop.
5745         (setup_cloog_loop): Copy the entire outer constraint matrix.
5746
5747 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5748             Jan Sjodin  <jan.sjodin@amd.com>
5749
5750         * graphite.c (stmt_in_scop_p, function_parameter_p,
5751         invariant_in_scop_p): Removed.
5752         (scan_tree_for_params): Can be used with no constraint
5753         matrix for gathering parameters.
5754         (idx_record_params): Don't use idx_record_param, instead use
5755         scan_tree_for_params.
5756         (find_scop_parameters): Same.
5757         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
5758         Fix the size of loop domains.
5759         (schedule_to_scattering): Exit when the outer loop is not in scop.
5760         (find_transform): Enable build_cloog_prog.
5761
5762 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5763             Jan Sjodin  <jan.sjodin@amd.com>
5764
5765         * graphite.c (schedule_to_scattering): Make scattering domains
5766         uniformly of the same size, as required by CLooG 0.14.0 and before.
5767
5768 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5769             Jan Sjodin  <jan.sjodin@amd.com>
5770
5771         * graphite.c (schedule_to_scattering): Rewrite, correct the
5772         translation of the scheduling function to scattering.
5773         (build_cloog_prog): Call schedule_to_scattering only once.
5774         * graphite.h (scop_loop_index): Do not fail for loops not
5775         in the scop: return -1.
5776
5777 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
5778
5779         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
5780         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
5781         (setup_cloog_loop): Export GBB_DOMAIN.
5782         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
5783         able to rebuild the original control flow.
5784         * graphite.h (graphite_bb): Add domain field and access macro.
5785         (GBB_DOMAIN): New.
5786
5787 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5788
5789         * graphite.c (debug_gbb): New.
5790         (print_scop, build_graphite_bb): Use SCOP_BBS.
5791         (build_scop_bbs): Reimplemented.
5792         (dfs_bb_in_scop_p): Removed.
5793         (build_scop_loop_nests): Reorder loops inserted in
5794         SCOP_LOOP_NEST: outer loops should come first.
5795         (build_scop_canonical_schedules): Reinitialize at zero
5796         the components of the SCOP_STATIC_SCHEDULE for the loops
5797         that have already been parsed.
5798
5799         * graphite.h (debug_gbb): Declared.
5800
5801 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5802             Jan Sjodin  <jan.sjodin@amd.com>
5803
5804         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
5805         (graphite_loop_to_gcc_loop): Removed.
5806         (remove_all_edges): New.
5807         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
5808         (gloog): Remove useless code.
5809
5810 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5811
5812         * graphite.c (get_bb_type): Reworked. We distinguish between
5813         loops with one or multiple exits.
5814         (is_loop_exit): New.
5815         (is_pred): New.
5816         (is_bb_addable): Rework condition handling, now support for case
5817         case statements and loops with multiple exits.
5818
5819         * testsuite/gcc.dg/graphite/scop-11.c: New.
5820         * testsuite/gcc.dg/graphite/scop-12.c: New.
5821         * testsuite/gcc.dg/graphite/scop-13.c: New.
5822
5823 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5824
5825         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
5826         we have too many colors.
5827
5828 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
5829
5830         * doc/invoke.texi (-ftree-loop-fusion): Document.
5831         * tree-pass.h (pass_loop_fusion): Declared.
5832         * tree-loop-fusion.c: New.
5833         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
5834         * tree-data-ref.c (find_data_references_in_loop): Make extern.
5835         * tree-data-ref.h (find_data_references_in_loop): Declared.
5836         * common.opt (ftree-loop-fusion): Declared.
5837         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
5838
5839 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
5840
5841         * graphite.c (build_access_matrix): Fix typo from the merge.
5842
5843 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
5844
5845         * Merge from mainline (130800:135673).
5846
5847 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5848
5849         * graphite.c (end_scop): The exit of the scop is not part of the scop.
5850         Update dominators after splitting.
5851
5852 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5853
5854         * graphite.c (is_bb_addable): Return the harmful statement.
5855         Factor up some code.
5856         (end_scop): New.  Splits end of scope bbs on a harmful statement.
5857         (build_scops_1): Call end_scop.
5858
5859 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5860
5861         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
5862         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
5863         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
5864         build_scops_1): Removed.
5865         (build_scops_2): Renamed build_scops_1.
5866
5867 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5868
5869         * graphite.c: Fix formatting.
5870
5871 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5872
5873         * graphite.c (get_bb_type): New.
5874         (move_scops): New.
5875         (build_scops_2): New.
5876         (is_bb_addable): New.
5877         (build_scops): Switch the scop detection.
5878         (build_scop_bbs): Add entry bb to scop.
5879         * graphite.h (struct scop): Update comment.
5880
5881 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5882
5883         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
5884         more colors.
5885
5886 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5887
5888         * testsuite/gcc.dg/graphite/scop-1.c: Update.
5889         * testsuite/gcc.dg/graphite/scop-2.c: Update.
5890         * testsuite/gcc.dg/graphite/scop-4.c: Update.
5891         * testsuite/gcc.dg/graphite/scop-5.c: Add.
5892         * testsuite/gcc.dg/graphite/scop-6.c: Add.
5893
5894 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5895
5896         * testsuite/gcc.dg/graphite/scop-0.c: Add.
5897         * testsuite/gcc.dg/graphite/scop-7.c: Add.
5898         * testsuite/gcc.dg/graphite/scop-8.c: Add.
5899         * testsuite/gcc.dg/graphite/scop-9.c: Add.
5900         * testsuite/gcc.dg/graphite/scop-10.c: Add.
5901
5902 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5903
5904         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
5905         Check affine expressions depending on the outermost loop
5906         instead of a scop.
5907         (stmt_simple_for_scop_p): Same.
5908         (harmfule_stmt_in_scop): Same.
5909
5910 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5911
5912         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
5913         mark entry and exit, that are not part of the SCoP and update HTML
5914         formatting.
5915
5916 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
5917
5918         * graphite.c (basic_block_simple_for_scop_p): Renamed
5919         harmful_stmt_in_bb.
5920         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
5921         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
5922         (all_preds_visited_p, all_succs_visited_p,
5923         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
5924         scop_end_loop): New.
5925         (build_scops): Do not use dfs_enumerate_from.
5926
5927         * testsuite/gcc.dg/graphite/scop-{1,2,4}.c: Updated.
5928
5929 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5930
5931         * graphite.c: Add comments to functions that are missing a
5932         description.
5933         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
5934
5935 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5936
5937         * graphite.c (nb_params_in_scop): Moved...
5938         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
5939         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
5940         (clast_to_gcc_expression): Reduce column size to less than 80.
5941         (graphite_create_iv): Return the new name of the IV.
5942         (find_transform): Set options->esp and options->cpp.
5943         (gloog): Comment out the invalidation of the old loop code.
5944         (initialize_dependence_polyhedron): Replace scop_nb_params with
5945         nb_params_in_scop.
5946
5947         * graphite.h (nb_params_in_scop): ... here.
5948         (scop_nb_params): Removed.
5949         (loop_domain_dim): Return something even when the loop was not
5950         found in the hash table: avoid ICEing on all the graphite.exp
5951         testcases.
5952
5953 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5954
5955         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
5956
5957         * graphite.c (build_scop_dynamic_schedules): Schedule is built
5958         according to nesting level.
5959         (find_scop_parameters): Call instantiate_parameters.
5960         (scan_tree_for_params): Extend it to handle general affine bounds.
5961         Inner loop bound can depend on outer loop induction variable.
5962         (setup_cloog_loop): tmp variable is allocated on stack. Call
5963         instantiate_parameters with respect to outermost_loop_in_scop.
5964         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
5965         graphite.h.
5966         (create_empty_loop): Function loopify should be given edge
5967         probability, instead of edge frequency. Dominance relation from
5968         switch_bb to loop_header.
5969         (clast_to_gcc_expression): Added handling of clast_reduction node.
5970         (gloog): New functionality for removing old loop.
5971         (test_dependence): Factored out from build_rdg_all_levels.
5972         (build_rdg_all_levels): Dependence testing factored out to
5973         test_dependence function.
5974
5975         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
5976         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
5977         from graphite.c
5978
5979 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5980
5981         * graphite.c (free_scop, param_index, initialize_cloog_names,
5982         nb_params_in_scop): Use name_tree map instead of just a tree
5983         for keeping track of the variable name associated to that tree.
5984         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
5985         clast_to_gcc_expression, graphite_create_iv,
5986         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
5987         graphite_stmt_to_gcc_stmt): New.
5988         (gloog): Call these.
5989         * graphite.h (struct name_tree): New.
5990         (struct scop): Use name_tree instead of tree for params.
5991         Store a vector of name_tree for new_ivs.
5992         (SCOP_NEWIVS): New.
5993         (scop_nb_params): Use name_tree instead of tree.
5994
5995 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
5996             Sebastian Pop  <sebastian.pop@amd.com>
5997
5998         * tree-bounds.c: New.
5999         * tree-bounds.h: New.
6000         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
6001         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
6002         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
6003         flag_mudflap.
6004         * gcc.c: Same.
6005         * toplev.c: Same.
6006         * c-cppbuiltin.c: Same.
6007         * c-pragma.c: Same.
6008         * common.opt: Same.
6009         * varasm.c: Same.
6010         * tree-outof-ssa.c: Same.
6011         * c-common.c: Same.
6012         * Makefile.in: Same.
6013
6014 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
6015             Sebastian Pop  <sebastian.pop@amd.com>
6016
6017         * tree-loop-distribution.c (remaining_stmts,
6018         upstream_mem_writes): Removed static variables.
6019         (copy_loop_before, create_bb_after_loop,
6020         mark_nodes_having_upstream_mem_writes, free_rdg_components,
6021         rdg_build_components, rdg_build_partitions,
6022         dump_rdg_partitions): Extern.
6023         (generate_loops_for_partition, generate_code_for_partition): Do not
6024         return a bool.
6025         (already_processed_vertex_p, predecessor_has_mem_write,
6026         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
6027         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
6028         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
6029         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
6030         Pass remaining_stmts and upstream_mem_writes as parameters.
6031         (rdg_component): Moved...
6032         (build_rdg_partition_for_component): Do not aggregate components when
6033         flag_streamize_loops is set.
6034         (gen_sequential_loops): New.
6035         (ldist_gen): Call gen_sequential_loops.
6036
6037         * tree-pass.h (pass_loop_streamization): Declared.
6038
6039         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
6040         basic blocks when loops structures exist.
6041
6042         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
6043
6044         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
6045
6046         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
6047         eliminate_local_variables_stmt, eliminate_local_variables,
6048         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
6049         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
6050         of code delimited by two edges in the CFG.
6051         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
6052         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
6053         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
6054         the case of parallelisation of reductions.
6055         (create_loop_fn): Extern.
6056         (create_omp_parallel_region): New.
6057
6058         * tree-data-ref.c (dump_data_dependence_relation): Don't call
6059         dump_data_reference for printing dra and drb.
6060         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
6061         RDGE_RELATION.
6062         (build_rdg): Don't call free_dependence_relations for the moment, as
6063         we attach dependence relations on each edge of the RDG.
6064         To be fixed later.
6065
6066         * tree-data-ref.h (rdg_component): ...here.
6067         (struct rdg_edge): New field ddr_p relation.
6068         (RDGE_RELATION): New.
6069         (create_bb_after_loop, copy_loop_before,
6070         mark_nodes_having_upstream_mem_writes, rdg_build_components,
6071         rdg_build_partitions, dump_rdg_partitions,
6072         free_rdg_components): Declared.
6073
6074         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
6075         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
6076
6077         * tree-loop-streamization.c: New.
6078
6079         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
6080         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
6081
6082         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
6083
6084         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
6085
6086         * passes.c: Schedule pass_loop_streamization.
6087
6088 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
6089
6090         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
6091         update comment.
6092
6093 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6094
6095         * graphite.c (dot_all_scops): Update formatting.
6096         Bbs can now be part of more than one SCoP.
6097
6098 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
6099
6100         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
6101         malloc problems.
6102         (loop_domain_dim): Check for unregistered toplev SCOP loop.
6103         * graphite.h (loop_to_cloog_loop): New.
6104
6105 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6106
6107         * graphite.c (loop_domain_dim, ref_nb_loops,
6108         loop_iteration_vector_dim): New.
6109         (build_access_matrix_with_af, build_access_matrix,
6110         initialize_dependence_polyhedron): Fixed for new matrix layout.
6111         No longer assume that all iteration domains are of the same
6112         dimensionality.
6113
6114 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
6115
6116         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
6117         defined in a loop at depth 0 is invariant.
6118         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
6119         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
6120         be called at loop depth 0.
6121
6122         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
6123         a parameter.
6124         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
6125         (down_open_scop): Removed.
6126         (loop_in_scop_p): Redefined.
6127         (scop_affine_expr): New argument: scop.
6128         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
6129         a harmful statement ending a scop.
6130         (basic_block_simple_for_scop_p): New argument: scop.
6131         (get_loop_start): Removed.
6132         (new_scop): Initialize SCOP_LOOPS.
6133         (free_scop): Free SCOP_LOOPS.
6134         (succs_at_same_depth, preds_at_same_depth): New.
6135         (end_scop): Test the validity of a scop.
6136         (add_dominators_to_open_scops): New.
6137         (test_for_scop_bound): Call add_dominators_to_open_scops.
6138         Add cases for opening and closing multiple scops.
6139         (build_scops, build_scop_bbs): Iterate over basic blocks in
6140         depth first order.
6141         (build_graphite_bb): Pass scop directly.
6142         (dfs_bb_in_scop_p): New.
6143         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
6144         several times.
6145         (nb_loops_around_gb): Use loop_in_scop_p.
6146         (schedule_to_scattering): Disabled for the moment the code computing
6147         the "textual order for outer loop".
6148
6149         * graphite.h (struct scop): New field loops.
6150         (SCOP_LOOPS): New.
6151         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
6152
6153         * testsuite/gcc.dg/graphite/scop-{1,...,7}.c: Updated.
6154
6155 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
6156             Sebastian Pop  <sebastian.pop@amd.com>
6157
6158         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
6159         * common.opt (fstreamize-loops): New.
6160         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
6161         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
6162         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
6163         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
6164
6165 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6166
6167         * tree-data-ref.c (build_empty_rdg): New.
6168         (build_rdg): Use it.
6169         * tree-data-ref.h (build_empty_rdg): Declared.
6170         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
6171         (find_vertex_for_stmt): Removed.
6172         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
6173
6174 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
6175
6176         * tree-loop-distribution.c (generate_builtin): After cancelling the
6177         loop tree, also delete basic blocks.
6178         (rdg_flag_uses): Stop recursion when a vertex has already been
6179         processed.
6180
6181 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6182
6183         * graphite.c (build_scop_alpha): Removed.
6184         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
6185         and dump_dependence_graph to avoid compiler warnings.
6186
6187 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6188
6189         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
6190         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
6191         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6192         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
6193         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
6194         (initialize_dependence_polyhedron, find_vertex_for_stmt,
6195         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6196         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
6197         dump_dependence_graph): New.
6198         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
6199         (GBB_ALPHA): New.
6200         (struct scop): New field loop2cloog_loop.
6201         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
6202         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
6203
6204 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6205
6206         * graphite.c (build_graphite_bb): Fix initialization
6207         of the graphite basic block.
6208
6209 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
6210
6211         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
6212         loop domain matrix.  Pass in the number of loops contained in the
6213         constraint matrix.
6214         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
6215         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
6216         loops that are not surrounding the current loop are not represented
6217         in the domain constraint matrix.
6218         (build_scop_iteration_domain): Initial domain constraint matrix
6219         contains only the eq/ineq, cst, and scop parameters columns.
6220
6221 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6222
6223         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
6224         (print_graphite_bb): Print scattering.
6225
6226 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6227
6228         * graphite.c (initialize_cloog_names): Initialize names of
6229         scattering variables.
6230
6231 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6232
6233         * graphite.c (dot_all_scops_1): Disable debug output while
6234         printing graph.
6235
6236 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6237
6238         * graphite.c (find_transform): Change cloog output language to C.
6239
6240 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
6241
6242         * tree-loop-distribution.c (generate_memset_zero,
6243         generate_builtin, generate_code_for_partition,
6244         rdg_flag_all_uses): New.
6245         (rdg_flag_uses): Gather in the same partition the statements defining
6246         the VUSES of the current statement.
6247         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
6248         Gather in the same partition not only the stores to the same memory
6249         access, but also the reads.
6250         (ldist_generate_loops): Renamed ldist_gen.
6251
6252 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6253             Tobias Grosser  <grosser@fmi.uni-passau.de>
6254
6255         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
6256         next pointer, don't use the inner pointer.
6257
6258 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
6259
6260         * graphite.c (dot_all_scops, dot_all_scops_1): New.
6261         (find_transform): Call dot_all_1.
6262         * graphite.h (dot_all_scops): Declared.
6263
6264 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
6265
6266         * tree-loop-distribution.c: Fix apsi.f ICE.
6267         (create_bb_after_loop): New.
6268         (generate_loops_for_partition): Use it.
6269         * testsuite/gfortran.dg/ldist-1.f90: New.
6270
6271         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
6272         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
6273
6274 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6275
6276         * graphite.c (find_transform): Dump cloog program sent to cloog.
6277
6278 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6279
6280         * graphite.c (initialize_cloog_names): Initialize cloog
6281         iterator names.
6282
6283 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6284
6285         * graphite.c (build_scop_context): Fix typo, for the matrix
6286         format: insert '0 >= 0' instead of '-1 >= 0'.
6287
6288 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6289
6290         * Fix merge problems.
6291
6292 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6293
6294         * graphite.c (setup_cloog_loop): Fix typo.
6295
6296 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6297
6298         * doc/invoke.texi (-ftree-loop-distribution): Documented.
6299         * tree-loop-distribution.c: Reimplemented.
6300         * tree-pass.h (pass_loop_distribution): New.
6301         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
6302         print_loops.
6303         * graphds.h (struct graph): New field indexes.
6304         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6305
6306         * tree-vect-analyze.c: Remove declaration of static functions when not
6307         needed.
6308         * tree-vectorizer.c: Same.
6309         (rename_variables_in_loop): Now extern.
6310         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
6311         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
6312         calling redirect_edge_and_branch_force.
6313
6314         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6315
6316         * tree-data-ref.c: Don't include tree-chrec.h.
6317         (debug_data_dependence_relations): New.
6318         (dump_data_dependence_relation): Call dump_data_reference on data refs
6319         in the relation.
6320         (same_access_functions): Moved...
6321         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6322         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6323         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6324         struct rdg_vertex_info, ): New.
6325         (create_rdg_edge_for_ddr): Compute the dependence level before looking
6326         at DDR_REVERSED_P.
6327         (create_rdg_vertices): Initialize the htab of graph->indexes.
6328         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
6329         (stmts_from_loop): Don't save LABEL_EXPR.
6330         (hash_stmt_vertex_info, eq_stmt_vertex_info,
6331         hash_stmt_vertex_del): New.
6332         (build_rdg): Initialize rdg->indexes.
6333         (free_rdg, stores_from_loop, ref_base_address,
6334         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6335         have_similar_memory_accesses_1, ref_base_address_1,
6336         remove_similar_memory_refs): New.
6337
6338         * tree-data-ref.h: Include tree-chrec.h.
6339         (debug_data_dependence_relations): Declared.
6340         (same_access_functions): ...here.  Now static inline.
6341         (ddr_is_anti_dependent, ddrs_have_anti_deps,
6342         ddr_dependence_level): New.
6343         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
6344         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
6345         RDG_MEM_READS_STMT): New.
6346         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6347         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6348         rdg_vertex_for_stmt): Declared.
6349         (struct rdg_edge): New field level.
6350         (RDGE_LEVEL, free_rdg): New.
6351         (stores_from_loop, remove_similar_memory_refs,
6352         rdg_defs_used_in_other_loops_p,
6353         have_similar_memory_accesses): Declared.
6354         (rdg_has_similar_memory_accesses): New.
6355
6356         * lambda.h (dependence_level): New.
6357         * common.opt (ftree-loop-distribution): New.
6358         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
6359         (print_loop_ir): Renamed print_loops.
6360         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
6361         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
6362         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
6363         (tree-loop-distribution.o): Added.
6364         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6365         (mark_virtual_ops_in_bb): New.
6366         (print_loops_bb, debug_loop_num, debug_loop): New.
6367         * passes.c: Scheduled pass_loop_distribution.
6368
6369 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6370
6371         * graphite.c (scan_tree_for_params): Correct the number of columns
6372         for polylib format.
6373         (nb_flat_iterator): New.
6374         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
6375         (build_scop_iteration_domain): Correct the number of columns for
6376         polylib format.
6377
6378 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6379
6380         * Merge from mainline (129697:130800).
6381
6382 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
6383
6384         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
6385         dominated by SCoP's exit.
6386         (graphite_transform_loops): Compute post dominators.
6387
6388 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6389
6390         * Merge from mainline (127169:129697).
6391
6392 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6393
6394         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
6395         parameter for the basic block that contains the expression.  Use
6396         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
6397         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
6398         the expression.
6399         * graphite.h (gbb_loop): New.
6400         (GBB_LOOP): Removed.
6401
6402 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6403
6404         * Makefile.in: Fix merge problem.
6405
6406 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6407
6408         * Merge from mainline (125309:127169).
6409         * tree-loop-distribution.c: Disabled.
6410
6411 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
6412
6413         * Merge from mainline (r123693:125309).
6414
6415 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
6416
6417         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
6418         correct_modify_p
6419         (correct_modify_p, check_statements, number_of_lvalue_uses,
6420         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
6421         instead of MODIFY_EXPR.
6422         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
6423         and push new edges.
6424
6425 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
6426
6427         * tree-loop-distribution.c (struct rdg): Replace arrays by
6428         VECs for edges and vertices.
6429         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
6430         (RDGV_NB_PARTITIONS): New.
6431         (PRDG_NBV, PRDG_NBE): Removed.
6432         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
6433         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
6434         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
6435
6436 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
6437             Sebastian Pop  <sebpop@gmail.com>
6438
6439         * doc/invoke.texi (-ftree-loop-distribution): Document.
6440         * tree-loop-distribution.c: New file.
6441         * tree-pass.h (pass_loop_distribution): Declared.
6442         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6443         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
6444         and set reversed_p.
6445         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
6446         (DDR_REVERSED_P): New.
6447         * common.opt (-ftree-loop-distribution): New.
6448         * tree-flow.h (distribute_loops): Declared.
6449         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
6450         * passes.c (init_optimization_passes): Schedule loop distribution.
6451
6452 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
6453
6454         * graphite.c (print_graphite_bb): Don't call dump_data_references.
6455         (print_scop): Don't print when scop is NULL.
6456         (build_scop_context, find_transform): Don't output to stderr.
6457
6458 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
6459
6460         * tree-data-ref.c: Don't include graphite.h.
6461         Comment out the code for printing data reference's scop.
6462         (build_access_matrix_with_af): Moved...
6463         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
6464         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
6465         (print_graphite_bb): Print basic block's schedule.
6466         (print_scop): Don't print the schedule, call cloog's pretty printer.
6467         (bb_in_scop_p): A basic block is in a scop only if it is both
6468         dominated and postdominated by the scop's entry and exit basic blocks.
6469         (function_parameter_p): New.
6470         (invariant_in_scop_p): Use function_parameter_p.
6471         (new_scop, save_scop): New.
6472         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
6473         save_scop.
6474         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
6475         (loop_in_scop_p): New.
6476         (scop_record_loop): Use loop_in_scop_p.
6477         (build_scop_domain): Renamed build_scop_iteration_domain.
6478         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
6479         nb_params_in_scop, build_scop_context, first_loop_in_scop,
6480         setup_cloog_loop, dot_scop_1, dot_scop): New.
6481         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
6482         (struct scop): Add a pointer to cloog's representation of a program.
6483
6484 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6485
6486         * doc/invoke.texi (-ftree-check-verbose): Renamed
6487         -ftree-checks-verbose.
6488         * common.opt (flag_tree_check_verbose): Renamed
6489         flag_tree_checks_verbose.
6490         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
6491
6492 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6493
6494         * configure: Regenerated.
6495         * config.in: Regenerated.
6496         * tree-ssa-loop.c (graphite_transforms): Execute
6497         graphite_transform_loops only when HAVE_cloog.
6498         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
6499         * graphite.c: Include polylibgmp.h and cloog.h.
6500         (graphite_transform_loops): Removed loops parameter.
6501         * tree-flow.h (graphite_transform_loops): Update declaration.
6502         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
6503         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
6504         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
6505         (OBJS-common): Remove dependence on graphite.o.
6506         (BACKEND): Depend on @GRAPHITE@.
6507
6508 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
6509
6510         * doc/invoke.texi (-ftree-check-verbose): Documented.
6511         * testsuite/gcc.dg/tree-checker/tree-checks-1.c: New.
6512         * testsuite/gcc.dg/tree-checker/tree-checks-2.c: New.
6513         * testsuite/gcc.dg/tree-checker/tree-checks-3.c: New.
6514         * testsuite/gcc.dg/tree-checker/tree-checks-4.c: New.
6515         * testsuite/gcc.dg/tree-checker/tree-checks.exp: New.
6516         * testsuite/gcc.dg/tree-checker/condates.crp: New.
6517         * common.opt (ftree-checks-verbose): New.
6518         * tree-check.c (tree_check_warning): Move extra stderr output
6519         under control of flag_tree_check_verbose.
6520
6521 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
6522
6523         * tree-match.c: Fix comments formatting.
6524         * tree-match.h: Fix comments formatting.
6525         * tree-check.c: Fix comments formatting.
6526         (tree_check_init): Restructure.
6527
6528 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
6529
6530         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
6531
6532 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
6533
6534         * Merge from mainline (r120733:123693).
6535
6536 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
6537
6538         * condate.y: New file.
6539         * tree-match.h (struct patt_info_s): New field sign.
6540         (struct condate_s): New field msg.
6541         (normalize_condate, name_condate, add_condate): New.
6542         (conds[], condate_parse): Made extern.
6543         * tree-check.c (tree_check_warning): First arg changed to cond;
6544         warning reformatted.
6545         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
6546         (tree_scan): New.
6547         (tree_check): Process trivial condates.
6548         (read_delimited_string): Removed.
6549         (print_cond): Print name and msg.
6550         (conds[]): Made extern.
6551         (parse_tree_check_file_once): Rewritten to use the parser in
6552         condate.y.
6553         Processing of option --tree_check_string moved to tree_scan().
6554         * Makefile.in: Added condate.y
6555
6556 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
6557
6558         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
6559         Use VECs instead of varrays.
6560         * diagnostic.h (lazy_dump_generic_node): Update declaration.
6561         * Makefile.in (pretty-print.o): Depend on vec.h.
6562         * pretty-print.c: Include tree.h and vec.h.
6563         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
6564         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
6565         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
6566         pp_free_list): Use VECs instead of varrays.
6567         * pretty-print.h: Do not include varray.h.
6568         (struct tree_chunk_s): Declaration moved before its use.
6569         (output_buffer): Rename varray field to chunks.
6570         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
6571         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
6572         save_global_holes): Use VECs instead of varrays.
6573         * tree-match.h: Declare VECs of cfg_node, and hole_p.
6574         * tree-check.c (scan_cfg_stmts, push_node,
6575         print_matching_stmt): Removed.
6576         (tree_check_instance, push_global_holes_if_new, tree_check,
6577         execute_tree_check): Use VECs instead of varrays.
6578         (gate_tree_check): Don't execute the CFG check when basic_block_info
6579         is not available.
6580
6581 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6582
6583         * Merge from mainline (r115016:120733).
6584
6585 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6586
6587         * Merge from mainline (r117632:117661).
6588
6589 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6590
6591         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
6592         * tree-pass.h (TDF_DEBUG, debug_p): New.
6593         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
6594         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
6595         get_loop_exit_condition, analyze_evolution_in_loop,
6596         analyze_initial_condition, analyze_scalar_evolution,
6597         instantiate_parameters, number_of_latch_executions): Use debug_p.
6598         * tree-chrec.c (chrec_apply): Use debug_p.
6599         * tree-data-ref.c: Include graphite.h.
6600         (dump_data_reference): Print also the access matrix.
6601         (analyze_array, analyze_indirect_ref, init_data_ref,
6602         analyze_offset_expr, address_analysis, object_analysis,
6603         create_data_ref, finalize_ddr_dependent,
6604         non_affine_dependence_relation, analyze_ziv_subscript,
6605         analyze_siv_subscript_cst_affine,
6606         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6607         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
6608         analyze_miv_subscript, analyze_overlapping_iterations,
6609         build_classic_dist_vector, subscript_dependence_tester,
6610         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
6611         (build_access_matrix_with_af): No longer static.
6612         * tree-data-ref.h (scop_p): ... declaration here.
6613         (data_reference.scop): New field.
6614         (DR_SCOP, DR_ACCESS_MATRIX): New.
6615         (build_access_matrix_with_af, dr_num_subscripts): Declared.
6616         * graphite.c (print_graphite_bb): Call dump_data_references.
6617         (print_scop): Use scop_nb_loops and scop_dim_domain.
6618         (test_for_scop_bound): Use debug_p.
6619         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
6620         scop_nb_params.
6621         (scop_loop_index): Moved...
6622         (scop_record_loop): New.
6623         (build_scop_loop_nests): Use scop_record_loop.
6624         (build_scop_domain): Use scop_dim_domain.
6625         (build_access_matrix): Implemented.
6626         (build_scop_canonical_schedules): Use scop_nb_loops.
6627         (build_graphite_bb): Initialize GBB_SCOP.
6628         * graphite.h (scop_p): Moved...
6629         (graphite_bb.scop): New field.
6630         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
6631         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
6632         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
6633         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
6634         scop_loop_index): New.
6635         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
6636
6637 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
6638
6639         * Merge from mainline (r117661:120450).
6640
6641 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
6642
6643         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
6644         at the first declaration outside the varying loop, instantiate as
6645         far as possible.
6646         * tree-chrec.c (for_each_scev_op): New.
6647         * tree-chrec.h (for_each_scev_op): Declared.
6648         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
6649         * tree-data-ref.c (get_references_in_stmt,
6650         find_data_references_in_stmt): New, from trunk.
6651         (find_data_references_in_loop): Use get_references_in_stmt
6652         and find_data_references_in_loop, modified as in trunk.
6653         (build_access_matrix_with_af): New.
6654         * tree-data-ref.h (data_reference): Add a field access_matrix.
6655         (data_ref_loc): New, as in trunk.
6656         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
6657         invariant_in_scop_p, param_index, scan_tree_for_params,
6658         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
6659         idx_record_param, idx_record_params, build_access_matrix,
6660         build_scop_data_accesses, build_scop_canonical_schedules,
6661         build_graphite_bb, build_scop_bbs, find_params_in_bb,
6662         build_scop_params): New.
6663         * graphite.h (graphite_bb): New.
6664         (scop): Add fields static_schedule, params, loop_nest,
6665         iteration_domain.
6666         * lambda.h: Declare vecs of lambda_matrix.
6667         * tree-flow.h (print_loop_ir_bb): Declared.
6668         * tree-cfg.c (print_loop_ir_bb): New.
6669         (print_loop): Use print_loop_ir_bb.
6670
6671 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
6672
6673         * Merge from mainline (r115016:117632).
6674
6675 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
6676
6677         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
6678         break due to a warning.
6679
6680 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
6681
6682         * graphite.c (print_scops, debug_scops): New.
6683         (graphite_transform): Renamed graphite_find_transform.
6684         * graphite.h (debug_scops): Declared.
6685
6686 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
6687
6688         * tree-match.c: Reformat following the GNU style.
6689         * tree-match.h: Reformat following the GNU style.
6690         * tree-pattern.h: Removed empty file.
6691         * Makefile.in: Remove references to tree-pattern.h.
6692         * tree-check.c: Reformat following the GNU style.
6693         (execute_tree_check): Move gate condition code to...
6694         (gate_tree_check): ...here.  New function.
6695         (pass_check): Use the gate function.
6696
6697 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
6698
6699         * tree-pattern.h: New. Tree pattern matching and checking using
6700         concrete syntax.
6701         * tree-check.c: New. Tree/CFG checking pass.
6702         * tree-match.c: New. Library for tree pattern matching.
6703         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
6704         * toplev.c, flags.h: Add globals for tree-check pass.
6705         * Makefile.in: Integrate the files in tree-check pass.
6706         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
6707         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
6708         Introduce a "lazy" pretty-print mode.
6709         * tree.c, tree.h: Add tree_name.
6710
6711 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
6712
6713         * doc/invoke.texi (-fgraphite): Correct typo.
6714         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
6715         use of print_loop_ir.
6716         * testsuite/gcc.dg/graphite/scop-1.c: New.
6717         * testsuite/gcc.dg/graphite/scop-2.c: New.
6718         * testsuite/gcc.dg/graphite/graphite.exp: New.
6719         * graphite.c: Include domwalk.h.
6720         (print_scop): Print only the entry and exit blocks.
6721         (debug_scop): No longer static.
6722         (affine_expr): Fix formating.  Return also true when the expression is
6723         constant.
6724         (stmt_simple_for_scop_p): Fix formating.
6725         (build_scops): Use domwalk.
6726         (get_loop_start, end_scop, test_for_scop_bound): New.
6727         (graphite_transform_loops): Avoid printing on stderr.
6728         * graphite.h (debug_scop): Declared.
6729         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
6730         * Makefile.in (graphite.o): Depend on domwalk.h.
6731         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
6732         declarations for static functions.
6733         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
6734         controlling output verbosity.
6735
6736 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
6737             Plesco Alexandru  <shurikx@gmail.com>
6738
6739         * doc/invoke.texi (-fgraphite): Document.
6740         * tree-pass.h (pass_graphite_transforms): Declared.
6741         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
6742         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
6743         (pass_graphite_transforms): Defined.
6744         * tree-data-ref.c (free_data_ref, data_reference): Extern.
6745         * tree-data-ref.h (free_data_ref, data_reference): Declared.
6746         * graphite.c, graphite.h: New.
6747         * common.opt (fgraphite): Declared.
6748         * tree-flow.h (graphite_transform_loops): Declared.
6749         * Makefile.in (OBJS-common): Add graphite.o.
6750         (graphite.o): New rule.
6751         * passes.c (pass_graphite_transforms): Scheduled.
6752