gcc/ChangeLog.graphite

   1 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * testsuite/g++.dg/graphite/graphite.exp: Rewritten.
   4         * testsuite/gcc.dg/graphite/graphite.exp: Rewritten.
   5         * testsuite/gfortran.dg/graphite/graphite.exp: Rewritten.
   6         * gcc/testsuite/gcc.dg/graphite/block-0.c: Added runtime test.
   7         * testsuite/gcc.dg/graphite/block-1.c: Same.
   8         * testsuite/gcc.dg/graphite/block-3.c: Same.
   9         * testsuite/gcc.dg/graphite/block-4.c: Same.
  10         * testsuite/gcc.dg/graphite/block-5.c: Same.
  11         * testsuite/gcc.dg/graphite/block-6.c: Same.
  12         * testsuite/gcc.dg/graphite/block-7.c: Same.
  13         * testsuite/gcc.dg/graphite/interchange-0.c: Same.
  14         * testsuite/gcc.dg/graphite/interchange-1.c: Same.
  15         * testsuite/gcc.dg/graphite/interchange-10.c: Same.
  16         * testsuite/gcc.dg/graphite/interchange-11.c: Same.
  17         * testsuite/gcc.dg/graphite/interchange-12.c: Same.
  18         * testsuite/gcc.dg/graphite/interchange-2.c: Same.
  19         * testsuite/gcc.dg/graphite/interchange-3.c: Same.
  20         * testsuite/gcc.dg/graphite/interchange-4.c: Same.
  21         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
  22         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
  23         * testsuite/gcc.dg/graphite/interchange-7.c: Same.
  24         * testsuite/gcc.dg/graphite/interchange-8.c: Same.
  25         * testsuite/gcc.dg/graphite/interchange-9.c: Same.
  26         * testsuite/gcc.dg/graphite/interchange-mvt.c: Same.
  27         * testsuite/gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
  28
  29 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
  30
  31         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
  32           background.
  33
  34 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
  35
  36         * common.opt: Add -fgraphite-cloog-opts.
  37         * graphite-clast-to-gimple.c (set_cloog_options): Same.
  38         * opts.c (decode_options): Same.
  39
  40 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
  41
  42         * testsuite/gcc.dg/graphite/id-17.c: New.
  43         * testsuite/gcc.dg/graphite/pr41888.c: New.
  44         * testsuite/gcc.dg/graphite/scop-22.c: New.
  45         * testsuite/gfortran.dg/graphite/pr40982.f90: New.
  46
  47 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
  48
  49         * graphite-dependences.c: Clarify comments.
  50         (build_pddr): Add an extra parameter direction.
  51         (graphite_legal_transform_dr): Use build_pddr.
  52         (dot_original_deps_stmt_1): Update use of build_pddr.
  53         (dot_transformed_deps_stmt_1): Same.
  54         (dot_original_deps): Same.
  55         (dot_transformed_deps): Same.
  56
  57         * testsuite/gcc.dg/graphite/interchange-12.c: New.
  58         * testsuite/gcc.dg/graphite/block-7.c: New.
  59
  60 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
  61
  62         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
  63         (pddr_transformed_scattering): Removed.
  64         (graphite_legal_transform_dr): Use build_pddr.
  65         (dot_original_deps_stmt_1): Same.
  66         (dot_transformed_deps_stmt_1): Same.
  67         (dot_original_deps): Same.
  68         (dot_transformed_deps): Same.
  69
  70 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
  71
  72         * graphite-dependences.c (lexicographically_gt_p): Add comments.
  73         (build_lexicographically_gt_constraint): Same.
  74         (dependence_polyhedron_1): Same.
  75         (dependence_polyhedron): Same.
  76
  77 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
  78
  79         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
  80         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
  81         (lexicographically_gt_p): Change type of direction to int.
  82         (build_lexicographically_gt_constraint): Same.
  83         (dependence_polyhedron_1): Same.
  84         (dependence_polyhedron): Same.
  85         (pddr_original_scattering): Use integers for direction.
  86         (pddr_transformed_scattering): Same.
  87         (graphite_legal_transform_dr): Same.
  88         (graphite_carried_dependence_level_k): Same.
  89
  90 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
  91
  92         * graphite-dependences.c (build_pairwise_constraint): Renamed
  93         ppl_build_relation.  Moved...
  94         (dr_equality_constraints): Use ppl_build_relation.
  95         (build_pairwise_scheduling_equality): Same.
  96         (build_pairwise_scheduling_inequality): Same.
  97         * graphite-ppl.c (ppl_build_relation): ...here.
  98         * graphite-ppl.h (ppl_build_relation): Declared.
  99
 100 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 101
 102         PR middle-end/42681
 103         * graphite-clast-to-gimple.c (gloog_error): New static variable.
 104         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
 105         Set gloog_error when such an expression failed to be built.
 106         (translate_clast): Early return when gloog_error is set.
 107         (gloog): Clear gloog_error.  When gloog_error is set, call
 108         set_ifsese_condition to enable the original code.  Return the status
 109         of the code generation based on gloog_error.
 110         * sese.c (set_ifsese_condition): New.
 111         * sese.h (set_ifsese_condition): Declared.
 112
 113         * testsuite/g++.dg/graphite/pr42681.C: New.
 114
 115 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 116
 117         PR middle-end/42732
 118         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
 119         rename_nb_iterations.
 120         * sese.c (rename_variables_in_operand): New.
 121         (rename_variables_in_expr): New.
 122         (rename_nb_iterations): New.
 123         (sese_adjust_liveout_phis): Update the rename_map.
 124         * sese.h (rename_nb_iterations): Declared.
 125         * tree-scalar-evolution.c (scev_reset_htab): New.
 126         (scev_reset): Call scev_reset_htab.
 127         * tree-scalar-evolution.h (scev_reset_htab): Declared.
 128
 129         * testsuite/gfortran.dg/graphite/pr42732.f: New.
 130
 131 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 132
 133         PR middle-end/42393
 134         * graphite-clast-to-gimple.c: Fix formatting.
 135         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
 136         (expr_defined_in_loop_p): New.
 137         (add_loop_exit_phis): Also handle full expressions: remove from
 138         the rename_map the expressions defined in the loop that we're closing.
 139
 140         * testsuite/gfortran.dg/graphite/pr42393-1.f90: New.
 141         * testsuite/gfortran.dg/graphite/pr42393.f90: Add new flags
 142         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
 143         make this testcase useful in the Graphite branch.
 144
 145 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 146
 147         * graphite-scop-detection.c (exclude_component_ref): Removed.
 148         (is_simple_operand): Removed.
 149         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
 150
 151 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 152
 153         PR middle-end/42221
 154         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 155         the array indexing of ADDR_EXPRs.
 156
 157         * testsuite/gcc.dg/graphite/pr42221.c: New.
 158
 159 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 160
 161         PR middle-end/42521
 162         * graphite.c (graphite_finalize): Call scev_reset.
 163         (graphite_transform_loops): Do not call scev_reset between the code
 164         generation of scops.
 165
 166         * testsuite/gcc.dg/graphite/pr42521.c: New.
 167
 168 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 169
 170         * graphite-interchange.c (memory_stride_in_loop): Renamed
 171         pdr_stride_in_loop.
 172         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
 173         (memory_strides_in_loop): Memoize the memory strides per loop.
 174         (lst_interchange_profitable_p): Do not initialize to zero the memory
 175         strides.
 176         * graphite-poly.h (struct lst): Add a field memory_strides.
 177         (LST_LOOP_MEMORY_STRIDES): New.
 178         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
 179         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
 180
 181 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 182
 183         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
 184         memory_strides_in_loop.  Gather memory strides on a whole loop.
 185         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
 186         (lst_interchange_profitable_p): Removed.
 187         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
 188
 189 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 190
 191         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 192         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 193         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 194         Remove context_loop and level.
 195
 196 2010-01-07  Richard Guenther  <rguenther@suse.de>
 197
 198         PR tree-optimization/42641
 199         * sese.c (rename_map_elt_info): Use the SSA name version, do
 200         not hash pointers.
 201
 202 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 203
 204         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
 205         blocked" only when both the strip mine and the interchange have
 206         been applied.
 207
 208         * testsuite/gcc.dg/graphite/block-2.c: Removed.
 209         * testsuite/gcc.dg/graphite/block-3.c: Add scan pattern.
 210         * testsuite/gcc.dg/graphite/block-4.c: Same.
 211         * testsuite/gcc.dg/graphite/block-5.c: Same.
 212         * testsuite/gcc.dg/graphite/block-6.c: Same.
 213
 214 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 215
 216         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
 217         before allocating a new one.
 218         (copy_renames): Check that slot is not NULL.
 219         (mark_bb_with_pbb): Same.
 220         (compute_cloog_iv_types_1): Same.
 221         * graphite-interchange.c (lst_perfect_nestify): Free the before,
 222         nest, and after LSTs.
 223         (lst_try_interchange_loops): Same.
 224
 225 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
 226
 227         PR middle-end/42178
 228         * graphite-interchange.c (lst_try_interchange_loops): Do not return
 229         the before, nest, and after LSTs.
 230         (lst_try_interchange): Removed.
 231         (lst_interchange_select_inner): Do not iterate over the LSTs if they
 232         were modified.
 233         (lst_interchange_select_outer): Apply interchange on the outer loop
 234         until there are no more changes in the inner loops.
 235
 236 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 237
 238         Revert patch fixing PR middle-end/42221.
 239
 240 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 241
 242         PR middle-end/42180
 243         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
 244         GIMPLE_CALL.
 245
 246         * testsuite/gfortran.dg/graphite/pr42180.f90: Add compile flags.
 247
 248 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 249
 250         PR middle-end/42180
 251         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
 252         that contain only one statement.
 253
 254         * testsuite/gfortran.dg/graphite/pr42180.f90: New.
 255
 256 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 257
 258         PR middle-end/42393
 259         * testsuite/gfortran.dg/graphite/pr42393.f90: New.
 260
 261 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 262
 263         PR middle-end/42186
 264         * testsuite/gfortran.dg/graphite/pr42186.f90: New.
 265
 266 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 267
 268         PR middle-end/42205
 269         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
 270         Insert the reduction copy in the same block as the phi node.
 271         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
 272
 273         * testsuite/gcc.dg/graphite/pr42205-1.c: New.
 274         * testsuite/gcc.dg/graphite/pr42205-2.c: New.
 275
 276 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 277
 278         PR middle-end/42221
 279         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 280         the array indexing of ADDR_EXPRs.
 281
 282         * testsuite/gcc.dg/graphite/pr42221.c: New.
 283
 284 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 285
 286         PR middle-end/42178
 287         PR middle-end/42334
 288         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
 289         index.  Call lst_interchange_select_inner only once.
 290         (lst_interchange_select_inner): Update use of lst_try_interchange.
 291         (lst_interchange_select_outer): Update.
 292
 293 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 294
 295         PR middle-end/42178
 296         PR middle-end/42334
 297         * graphite-interchange.c (lst_try_interchange): Do not increment the
 298         the OUTER index when there is no AFTER kernel.  Do not increment the
 299         OUTER index for after processing the AFTER kernel.
 300         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
 301         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
 302         index.  Do not pass to lst_interchange_select_inner the OUTER index.
 303         (scop_do_interchange): Update use of lst_interchange_select_outer.
 304
 305         * testsuite/gfortran.dg/graphite/graphite.exp
 306         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
 307         * testsuite/gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
 308         the graphite dump file.
 309         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
 310         * testsuite/gfortran.dg/graphite/pr42334-1.f: New.
 311
 312 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 313
 314         PR middle-end/42178
 315         PR middle-end/42334
 316         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
 317         that are empty.
 318         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
 319         (lst_try_interchange): Reimplemented.
 320         (lst_interchange_select_inner): Same.
 321         (lst_do_interchange): Renamed lst_interchange_select_outer.
 322         Reimplemented.
 323         (scop_do_interchange): Update use of lst_interchange_select_outer.
 324
 325         * testsuite/g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
 326         * testsuite/gcc.dg/graphite/block-0.c: Un-XFAILed.
 327         * testsuite/gcc.dg/graphite/pr42211.c: New.
 328         * testsuite/gfortran.dg/graphite/pr42334.f90: New.
 329
 330 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
 331
 332         PR middle-end/42181
 333         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
 334         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
 335
 336         * testsuite/gfortran.dg/graphite/pr42181.f90: New.
 337
 338 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
 339
 340         PR middle-end/42284
 341         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
 342         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
 343         (detect_commutative_reduction_arg): Simplified.
 344         (detect_commutative_reduction): Early return when the argument of
 345         the close phi is not of an SSA_NAME.
 346
 347         * testsuite/gcc.dg/graphite/pr42284.c: New.
 348
 349 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
 350
 351         * dbgcnt.def (graphite_scop): New counter.
 352         * graphite.c: Include dbgcnt.h
 353         (graphite_transform_loops): Use new counter to limit transformations.
 354
 355 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
 356
 357         PR middle-end/42285
 358         * graphite-scop-detection.c (graphite_can_represent_init): Also
 359         handle more complex MULT_EXPRs containing parameters by recursion
 360         on the structure.
 361
 362         * testsuite/gfortran.dg/graphite/pr42285.f90: New.
 363
 364 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
 365
 366         * testsuite/g++.dg/graphite/pr42130.C: Fix type.
 367
 368 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
 369
 370         * testsuite/g++.dg/graphite/pr42130.C: Correct testcase.
 371
 372 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 373
 374         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
 375         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
 376
 377 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 378
 379         PR middle-end/42130
 380         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
 381         translate_clast_for_loop): New.
 382         (translate_clast_for): Add a condition around the loop, to do not
 383         execute loops with zero iterations.
 384         * testsuite/g++.dg/graphite/pr42130.C: New.
 385         * testsuite/gcc.dg/graphite/pr35356-2.c: Adapt.
 386
 387 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 388
 389         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 390         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 391         Remove context_loop and level.
 392
 393 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 394
 395         * graphite-clast-to-gimple.c (translate_clast_user,
 396         translate_clast_for, translate_clast_guard): Simplify and move common
 397         elements to translate_clast().
 398         (translate_clast): Simplify and get common elements.
 399
 400 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 401
 402         * graphite-clast-to-gimple.c (translate_clast_user,
 403         translate_clast_for, translate_clast_guard): Split out of
 404         translate_clast.
 405
 406 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
 407
 408         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
 409         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
 410         debug_clast_name_indexes_1, debug_clast_name_indexes,
 411         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
 412         (clast_name_to_gcc, clast_to_gcc_expression,
 413         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
 414         gcc_type_for_clast_eq, graphite_translate_clast_equation,
 415         graphite_create_guard_cond_expr, graphite_create_new_loop,
 416         translate_clast): Add params_index.
 417         (initialize_cloog_names): Create parameter strings from scratch, do
 418         not reference other strings.
 419         (create_params_index): New.
 420         (gloog): Initialize params_index.
 421         * graphite-scop-detection (free_scops_1): Removed.
 422         (limit_scops): Use normal free_scops.
 423         * graphite-sese-to-poly.c (save_var_names): Removed.
 424         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
 425         and SESE_PARAMS_INDEX.
 426         * sese.c (new_sese, free_sese): Dito.
 427         * sese.h (struct sese): Remove params_index, params_names.
 428         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
 429
 430 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 431
 432         Revert the following patch from 2009-09-14:
 433         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 434         tree-scalar-evolution.h, and then tree-data-ref.h.
 435         * graphite-clast-to-gimple.c: Same.
 436         * graphite-dependences.c: Same.
 437         * graphite-interchange.c: Same.
 438         * graphite-poly.c: Same.
 439         * graphite-scop-detection.c: Same.
 440         * graphite-sese-to-poly.c: Same.
 441         * graphite.c: Same.
 442         * lambda-code.c: Same.
 443         * matrix-reorg.c: Same.
 444         * tree-data-ref.c: Same.
 445         * tree-if-conv.c: Same.
 446         * tree-loop-distribu: Same.: Same.
 447         * tree-loop-linear.c: Same.
 448         * tree-parloops.c: Same.
 449         * tree-predcom.c: Same.
 450         * tree-vect-patterns.c: Same.
 451
 452 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 453
 454         Revert patch from 2009-09-14.
 455         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
 456         passes at -O1 and below.
 457
 458 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 459
 460         PR middle-end/40281
 461         * testsuite/gcc.dg/graphite/pr40281.c: New.
 462
 463         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
 464         evolutions should not variate in inner loops.
 465
 466 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 467
 468         PR middle-end/42050
 469         * testsuite/gfortran.dg/graphite/pr42050.f90: New.
 470
 471 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 472
 473         * graphite-interchange.c (memory_strides_in_loop_depth): New.
 474         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
 475
 476 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 477
 478         * graphite-blocking.c (scop_do_block): New.
 479         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
 480         * graphite-poly.h (scop_do_block): Declared.
 481
 482 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 483
 484         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
 485         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 486         to transform depth into the time_depth before calling
 487         pbb_number_of_iterations_at_time.
 488         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 489         lst_depth.
 490
 491 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 492
 493         Reverted the patch for "scattering permutations" from 2009-10-28.
 494
 495         * graphite-poly.c (print_permutation): New.
 496         (debug_permutation): New.
 497         (new_poly_bb): Initialize PBB_PERMUTATION.
 498         (free_poly_bb): Free PBB_PERMUTATION.
 499         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 500         (struct pbb_permutation_elt): New.
 501         (PBB_PERMUTATION_ELT_STRIDE): New.
 502         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 503         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 504         (new_pbb_permutation_elt): New.
 505         (pbb_permutation_elt_free): New.
 506         (struct poly_bb): Add field permutation.
 507         (PBB_PERMUTATION): New.
 508         (print_permutation): Declared.
 509         (debug_permutation): Declared.
 510
 511 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 512
 513         * graphite-interchange.c (build_partial_difference): New.
 514         (memory_stride_in_loop): Refactored the computation of
 515         equality constraints into build_partial_difference function.
 516         Added support for debugging stride computations.
 517
 518 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 519
 520         * graphite-clast-to-gimple.c (gloog): Free if_region,
 521         if_region->true_region, and if_region->region.
 522         * sese.c (if_region_set_false_region): Free if_region->false_region.
 523         (create_if_region_on_edge): Do not use GGC_NEW.
 524         (move_sese_in_condition): Remove useless initialization.
 525
 526 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 527
 528         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
 529         for the loops created by the loop distribution.  Do not modify the
 530         input LSTs.
 531         (lst_try_interchange_loops): Same.  Use a temporary LST for the
 532         transformed schedule.  Call lst_update_scattering before data
 533         dependence analysis.
 534         (lst_try_interchange): Pass an extra parameter INDEX.
 535         (lst_do_interchange_1): New.
 536         (lst_do_interchange): Call lst_do_interchange_1.
 537         (scop_do_interchange): Call lst_update_scattering.
 538         * graphite-poly.c (apply_poly_transforms): Do not call
 539         lst_update_scattering.
 540         * graphite-poly.h (lst_pred): New.
 541         (lst_succ): New.
 542         (lst_find_first_pbb): Return NULL when not found.
 543         (lst_empty_p): New.
 544         (lst_insert_in_sequence): Allow LST1 to be NULL.
 545         (lst_replace): New.
 546         (lst_substitute_3): New.
 547         * gcc.dg/graphite/interchange-1.c: XFail.
 548         * gcc.dg/graphite/interchange-8.c: XFail.
 549         * gcc.dg/graphite/interchange-11.c: XFail.
 550
 551 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 552
 553         * graphite-interchange.c (lst_perfectly_nested_p): New.
 554         (lst_perfect_nestify): New.
 555         (lst_try_interchange_loops): Call store_lst_schedule,
 556         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
 557         (scop_do_interchange): Avoid redundant legality test.
 558         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
 559         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
 560         * graphite-poly.h (psct_static_dim): New.
 561         (lst_dewey_number_at_depth): New.
 562         (lst_find_pbb): Restructured.
 563         (lst_find_first_pbb): Restructured.
 564         (lst_find_last_pbb): New.
 565         (lst_contains_p): New.
 566         (lst_contains_pbb): New.
 567         (lst_create_nest): New.
 568         (lst_remove_from_sequence): New.
 569         (pbb_update_scattering): New.
 570         (lst_update_scattering_under): New.
 571         (lst_update_scattering_seq): New.
 572         (lst_update_scattering): New.
 573         (lst_insert_in_sequence): New.
 574         (lst_distribute_lst): New.
 575         (lst_remove_all_before_including_pbb): New.
 576         (lst_remove_all_before_excluding_pbb): New.
 577
 578 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 579
 580         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
 581         get_loop_exit_edges.
 582
 583 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 584
 585         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
 586
 587 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 588
 589         * graphite-poly.c (print_permutation): New.
 590         (debug_permutation): New.
 591         (new_poly_bb): Initialize PBB_PERMUTATION.
 592         (free_poly_bb): Free PBB_PERMUTATION.
 593         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 594         (struct pbb_permutation_elt): New.
 595         (PBB_PERMUTATION_ELT_STRIDE): New.
 596         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 597         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 598         (new_pbb_permutation_elt): New.
 599         (pbb_permutation_elt_free): New.
 600         (struct poly_bb): Add field permutation.
 601         (PBB_PERMUTATION): New.
 602         (print_permutation): Declared.
 603         (debug_permutation): Declared.
 604
 605 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 606
 607         * graphite-clast-to-gimple.c (gloog): Do not call
 608         sese_reset_aux_in_loops.
 609         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
 610         extra argument for domains.  Do not use loop->aux.
 611         (build_scop_iteration_domain): Initialize and free domains, pass it
 612         to build_loop_iteration_domains and extract the information from
 613         domains.  Do not use loop->aux.
 614         * sese.c (sese_reset_aux_in_loops): Removed.
 615         * sese.h (sese_reset_aux_in_loops): Removed.
 616
 617 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 618
 619         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
 620         (dependency_in_loop_p): Same.
 621         (translate_clast): Do not use loop->aux.  Initialize
 622         loop->can_be_parallel.
 623         (mark_loops_parallel): Removed.
 624         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
 625         * graphite.c (free_aux_in_new_loops): Removed.
 626         (graphite_finalize): Do not call free_aux_in_new_loops.
 627         (graphite_transform_loops): Do not call mark_loops_parallel.
 628
 629 2009-10-26  Li Feng  <nemokingdom@gmail.com>
 630
 631         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
 632         (translate_clast): Pass an extra parameter LEVEL.
 633         Call get_scattering_level.
 634         * graphite-clast-to-gimple.h (get_scattering_level): New.
 635
 636 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 637
 638         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
 639         * cfgloop.h (struct loop): New field single_iv.
 640
 641         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
 642         loop->aux anymore: use loop->single_iv.
 643         (graphite_loop_normal_form): Moved...
 644         (build_graphite_loop_normal_form): Removed.
 645         (gloog): Do not call build_graphite_loop_normal_form.
 646         (free_aux_in_new_loops): Moved...
 647         (mark_loops_parallel): Restructure.
 648         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
 649         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
 650         (scop_canonicalize_loops): New.
 651         (build_poly_scop): Call scop_canonicalize_loops.
 652         * graphite.c (free_aux_in_new_loops): ...here.
 653
 654 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 655
 656         * g++.dg/graphite/graphite.exp: Add the same rules as in
 657         gcc.dg/graphite/graphite.exp.
 658
 659 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 660
 661         * g++.dg/graphite/id-1.C: New.
 662
 663 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 664
 665         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
 666         argument base_name.
 667         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
 668         (rewrite_phi_out_of_ssa): Same.
 669         (rewrite_cross_bb_scalar_deps): Same.
 670         (translate_scalar_reduction_to_array): Same.
 671
 672 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 673
 674         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
 675         dump_alias_graphs.
 676
 677 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 678
 679         * graphite-sese-to-poly.c (dump_alias_graphs): New.
 680         (build_scop_drs): Call dump_alias_graphs.
 681
 682 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 683
 684         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
 685         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 686         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
 687         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 688         * graphite-poly.h (free_lst): New.
 689         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
 690         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
 691
 692 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 693
 694         * graphite-poly.h (struct scop): Add a field saved_schedule.
 695         (SCOP_SAVED_SCHEDULE): New.
 696         (store_lst_schedule): New.
 697         (restore_lst_schedule): New.
 698         (store_scattering): Call store_lst_schedule.
 699         (restore_scattering): Call restore_lst_schedule.
 700
 701 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 702
 703         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
 704         (pdr_add_alias_set): Same.
 705         (build_poly_dr): Same.
 706         (build_alias_set_optimal_p): Same.
 707         (build_base_obj_set_for_drs): Same.  Do not store the result of
 708         graphds_dfs.
 709
 710 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 711
 712         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
 713         all_components_are_cliques to 1.
 714
 715 2009-10-20  Li Feng  <nemokingdom@gmail.com>
 716
 717         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
 718         the new structure.
 719         (pdr_add_alias_set): Update retrieving alias_set_num.
 720         (build_poly_dr): Update retrieving dr_base_object_set.
 721         (partition_drs_to_sets): Remove.
 722         (build_alias_set_optimal_p): New.
 723         (build_alias_set_for_drs): Rename.
 724         (build_scop_drs): Update.
 725         * graphite-sese-to-poly.h (struct base_alias_pair): New.
 726         (ALIAS_SET_INDEX): Remove.
 727         (BASE_OBJECT_SET_INDEX): Remove.
 728
 729 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 730
 731         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
 732
 733 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 734
 735         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
 736         loop upper bounds for 1-element arrays at end of structures.
 737         * tree-flow.h (array_at_struct_end_p): Declared.
 738         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
 739
 740 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 741
 742         * g++.dg/graphite/pr41305.C: New.
 743
 744 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
 745
 746         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
 747         construction of parameter constraints from loop iteration analysis.
 748         * gcc.dg/graphite/run-id-2.c: New test.
 749
 750 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 751
 752         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
 753         and new_cstr.
 754
 755 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 756
 757         * graphite-dependences.c (dependence_polyhedron_1): Remove
 758         unused gdim dimensions from the DDR polyhedron.
 759
 760 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 761
 762         * graphite-dependences.c (pddr_transformed_scattering): New.
 763         (dot_original_deps_stmt_1): New.
 764         (dot_transformed_deps_stmt_1): New.
 765         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
 766         dot_transformed_deps_stmt_1.
 767         (dot_original_deps): New.
 768         (dot_transformed_deps): New.
 769         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
 770
 771 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 772
 773         * graphite-dependences.c (reduction_dr_1): Remove wrong
 774         assert: reduction BBs can have multiple reduction writes
 775         to memory.  interchange-3.f90 is an example.
 776
 777 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 778
 779         * gfortran.dg/graphite/interchange-3.f90: New.
 780
 781 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 782
 783         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
 784
 785 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 786
 787         * graphite-dependences.c (dependence_polyhedron_1): Add the
 788         context to the dependence polyhedron.
 789
 790 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 791
 792         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
 793         PBB_PDR_DUPLICATES_REMOVED.
 794         (new_poly_bb): Same.
 795
 796 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 797
 798         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
 799         SCOP_CONTEXT.
 800         (build_loop_iteration_domains): Extract bounds on parameters
 801         based on the data size.
 802         (build_scop_context): Do not initialize SCOP_CONTEXT;
 803         add new constraints.
 804
 805 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 806
 807         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
 808         * graphite-ppl.h (graphite-ppl.h): Declared.
 809
 810 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 811
 812         * graphite-ppl.c (ppl_print_linear_expr): New.
 813         (debug_ppl_linear_expr): New.
 814         * graphite-ppl.h (ppl_print_linear_expr): Declared.
 815         (debug_ppl_linear_expr): Declared.
 816
 817 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 818
 819         * graphite-interchange.c: Fix comments.
 820         * gcc.dg/graphite/block-1.c: Fix comments.
 821
 822 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 823
 824         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
 825         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
 826
 827 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 828
 829         Reapply the patch from Alexander Monakov that disappeared during
 830         the last merges from trunk.
 831
 832         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 833
 834         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 835         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 836
 837 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 838
 839         * graphite-interchange.c (memory_stride_in_loop): The depth
 840         argument corresponds to a dynamic time dimension, so use
 841         psct_dynamic_dim to refer to the transformed scattering dimension.
 842
 843 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 844
 845         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
 846
 847 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 848
 849         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
 850         root of the LST.
 851         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
 852         the root of the LST.
 853         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
 854         fake loop.
 855         (print_lst): Print the root of LST in a different format.
 856         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
 857
 858 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 859
 860         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
 861
 862 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 863
 864         * doc/passes.texi: Document the Graphite infrastructure.
 865
 866 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 867
 868         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
 869         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
 870         and check the SSA representation.
 871
 872         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
 873
 874 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 875
 876         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
 877
 878 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 879
 880         * gcc.dg/graphite/interchange-11.c: New.
 881
 882 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 883
 884         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
 885
 886 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 887
 888         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 889         Add -fno-loop-strip-mine and -fno-loop-interchange.
 890         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
 891         -fno-loop-strip-mine.
 892         * gfortran.dg/graphite/graphite.exp: Same.
 893
 894 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 895
 896         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 897         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
 898         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
 899         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
 900         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
 901         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
 902         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
 903         DEFAULT_FLAGS_GRAPHITE_SCOP.
 904         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
 905         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
 906
 907 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 908
 909         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
 910
 911 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 912             Sebastian Pop  <sebastian.pop@amd.com>
 913
 914         * graphite-interchange.c (build_linearized_memory_access): Pass an
 915         offset as parameter.
 916         (memory_stride_in_loop): Include transform scattering in the
 917         access functions to be able to querry the strides in the
 918         transformed loops.
 919         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
 920         not the psct_iterator_dim.
 921
 922 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 923
 924         * graphite-blocking.c (pbb_do_strip_mine): Removed.
 925         (lst_do_strip_mine_loop): New.
 926         (lst_do_strip_mine): New.
 927         (scop_do_strip_mine): Call lst_do_strip_mine.
 928         * graphite-poly.h (lst_add_loop_under_loop): New.
 929         (lst_find_first_pbb): New.
 930
 931 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 932
 933         * graphite-poly.c (loop_to_lst): Fix LST creation.
 934
 935 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 936
 937         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
 938         sizeof(unsigned long) to make it run on 32bit systems.
 939
 940 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 941
 942         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
 943         SEGFAULT on 32bit.
 944
 945 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 946
 947         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
 948         Comment.
 949         (write_alias_graph_to_ascii_dot): New.
 950         (write_alias_graph_to_ascii_ecc): Ditto.
 951         (partition_drs_to_sets): Add testing of optimality of current method
 952         which assigns alias numbers according to DFS Comopnent number.  used
 953         as heuristic for the upcoming ECC algorithm.
 954         (build_scop_drs): Write to file also with the ecc and dot format.
 955
 956 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 957
 958         * gfortran.dg/graphite/interchange-1.f: XFail.
 959
 960 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 961
 962         * graphite.c (graphite_initialize): Do not handle functions with
 963         more than 100 basic blocks.
 964
 965 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 966
 967         * graphite-blocking.c (pbb_do_strip_mine): Use
 968         PARAM_LOOP_BLOCK_TILE_SIZE.
 969
 970 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 971
 972         * graphite-poly.c (dot_lst_1): New.
 973         (dot_lst): New.
 974         * graphite-poly.h (dot_lst): Declared.
 975
 976 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 977
 978         * graphite-dependences.c (dot_deps_stmt_1): New.
 979         (dot_deps_stmt): New.
 980         * graphite-dependences.h (dot_deps_stmt): Declared.
 981
 982 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 983
 984         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
 985         not replace cross BB scalar dependences ending on PHI nodes.
 986         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
 987
 988 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 989
 990         * graphite-poly.c (apply_poly_transforms): Implement the high
 991         level driver for flag_loop_block.
 992         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
 993         flag_loop_block.
 994
 995         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
 996         -floop-block.
 997         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 998         Add -floop-block.
 999
1000 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1001
1002         * graphite-poly.h (lst_find_pbb): New.
1003         (find_lst_loop): New.
1004
1005 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1006
1007         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
1008         * graphite-poly.h (struct scop): Remove dep_graph field.
1009         (SCOP_DEP_GRAPH): Removed.
1010
1011 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1012
1013         * graphite-poly.h (copy_lst): Do full copy of LST.
1014
1015 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
1016
1017         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
1018         when the loop stride is zero.
1019
1020         * gcc.dg/graphite/id-16.c: New.
1021
1022 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1023
1024         * graphite-dependences.c (reduction_dr_1): New.
1025         (reduction_dr_p): New.
1026         (graphite_legal_transform_dr): Call reduction_dr_p.
1027         (reduction_ddr): Renamed reduction_ddr_p.
1028         * graphite-poly.h (same_pdr_p): New.
1029         (number_of_write_pdrs): New.
1030         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
1031         (split_reduction_stmt): Do not split reduction statements
1032         when there are no writes to memory.
1033         (translate_scalar_reduction_to_array_for_stmt): Insert the
1034         memory reduction statement just after the scalar reduction statement.
1035
1036         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
1037         Un-XFAIL-ed.
1038         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
1039         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
1040
1041 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1042
1043         * graphite-interchange.c (lst_apply_interchange): New.
1044         (lst_interchange_profitable_p): New.
1045         (lst_try_interchange_loops): New.
1046         (lst_try_interchange): New.
1047         (lst_do_interchange): New.
1048         (pbb_do_interchange): Removed.
1049         (scop_do_interchange): Call lst_do_interchange.
1050
1051 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1052
1053         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
1054         SCOP_TRANSFORMED_SCHEDULE.
1055         (loop_to_lst): New.
1056         (scop_to_lst): New.
1057         (print_lst): New.
1058         (debug_lst): New.
1059         * graphite-poly.h (lst_p): New.
1060         (struct lst): New.
1061         (LST_LOOP_P): New.
1062         (LST_LOOP_FATHER): New.
1063         (LST_PBB): New.
1064         (LST_SEQ): New.
1065         (scop_to_lst): Declared.
1066         (print_lst): Declared.
1067         (debug_lst): Declared.
1068         (new_lst_loop): New.
1069         (new_lst_stmt): New.
1070         (copy_lst): New.
1071         (lst_depth): New.
1072         (lst_dewey_number): New.
1073         (struct scop): Add original_schedule and transformed_schedule fields.
1074         (SCOP_ORIGINAL_SCHEDULE): New.
1075         (SCOP_TRANSFORMED_SCHEDULE): New.
1076         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
1077
1078 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1079
1080         * graphite-dependences.c (reduction_ddr): New.
1081         (graphite_legal_transform_bb): Call reduction_ddr.
1082         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
1083         Initialize PBB_IS_REDUCTION.
1084         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
1085         (PBB_IS_REDUCTION): New.
1086         (new_poly_bb): Update declaration.
1087         * graphite-scop-detection.h (build_scop_bbs): Removed.
1088         (nb_reductions_in_loop): Removed.
1089         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
1090         parameter for reductions.
1091         (try_generate_gimple_bb): Update call to new_poly_bb.
1092         (build_scop_bbs_1): Same.
1093         (build_scop_bbs): Same.
1094         (gsi_for_phi_node): New.
1095         (scalar_close_phi_node_p): Remove gcc_assert.
1096         (split_reduction_stmt): New.
1097         (is_reduction_operation_p): New.
1098         (phi_contains_arg): New.
1099         (follow_ssa_with_commutative_ops): New.
1100         (detect_commutative_reduction_arg): New.
1101         (detect_commutative_reduction_assign): New.
1102         (follow_inital_value_to_phi): New.
1103         (edge_initial_value_for_loop_phi): New.
1104         (initial_value_for_loop_phi): New.
1105         (detect_commutative_reduction): New.
1106         (translate_scalar_reduction_to_array_for_stmt): New.
1107         (insert_copyout): New.
1108         (insert_copyin): New.
1109         (translate_scalar_reduction_to_array): New.
1110         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
1111         (rewrite_commutative_reductions_out_of_ssa_loop): New.
1112         (rewrite_commutative_reductions_out_of_ssa): New.
1113         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
1114         * sese.h (split_region_for_bb): New.
1115
1116         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
1117         * gcc.dg/graphite/interchange-1.c: Fix format.
1118         * gcc.dg/graphite/interchange-10.c: New.
1119
1120 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1121
1122         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
1123         buggy assert.
1124
1125 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1126
1127         * graphite-sese-to-poly.c (scev_analyzable_p): New.
1128         (rewrite_cross_bb_scalar_dependence): New.
1129         (rewrite_cross_bb_scalar_deps): New.
1130         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
1131         Call rewrite_cross_bb_scalar_deps.
1132
1133 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1134
1135         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
1136         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
1137         gsi_for_stmt.
1138
1139 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1140
1141         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
1142         * graphite-interchange.c (pbb_do_interchange): Same.
1143         * graphite-poly.c (print_scattering_function): Same.
1144         (debug_pdrs): Same.
1145         * graphite-poly.h (pbb_loop): New.
1146         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
1147
1148 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1149
1150         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
1151
1152 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1153
1154         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
1155         so don't pass a pointer to it.
1156         (build_alias_set_for_drs): Same.
1157         (build_base_obj_set_for_drs): Same.
1158         (build_scop_drs): Same.
1159
1160 2009-09-26  Li Feng  <nemokingdom@gmail.com>
1161
1162         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
1163         the alias graph of data references.
1164
1165 2009-09-25  Li Feng  <nemokingdom@gmail.com>
1166
1167         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
1168         (build_scop_drs): When debugging, write the alias graph to file,
1169         otherwise, should be disabled.
1170
1171 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1172
1173         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
1174         (is_simple_operand): Remove call to stmt_simple_memref_p.
1175         (stmt_simple_for_scop_p): Update call to is_simple_operand.
1176
1177 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
1178
1179         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
1180         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
1181         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
1182         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
1183         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
1184
1185 2009-09-17 Li Feng  <nemokingdom@gmail.com>
1186
1187         PR middle-end/41118
1188         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
1189         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
1190         (graphite_carried_dependence_level_k): Ditto.
1191         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
1192         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
1193         (new_poly_dr): Adjust declaration.
1194         * graphite-sese-to-poly.c (free_data_refs_aux): New.
1195         (free_gimple_bb): Added free_data_refs_aux.
1196         (build_poly_dr): Add dr_base_object_set.
1197         (partition_drs_to_sets): New.
1198         (dr_same_base_object_p): New.
1199         (build_alias_set_for_drs): New.
1200         (build_base_object_set_for_drs): New.
1201         (build_scop_drs): Add build_base_obj_set_for_drs.
1202         * graphite-sese-to-poly.h: Added #define for alias set number index and
1203         base object set index.
1204         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1205         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1206
1207 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1208
1209         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1210         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1211
1212 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1213
1214         * graphite-sese-to-poly.c (struct irp_data): Removed.
1215         (idx_record_params): Removed.
1216         (find_params_in_bb): Scan for parameters the access functions; don't
1217         parse the tree representation.
1218
1219 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1220
1221         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
1222         passes at -O1 and below.
1223
1224 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1225
1226         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1227         tree-scalar-evolution.h, and then tree-data-ref.h.
1228         * graphite-clast-to-gimple.c: Same.
1229         * graphite-dependences.c: Same.
1230         * graphite-interchange.c: Same.
1231         * graphite-poly.c: Same.
1232         * graphite-scop-detection.c: Same.
1233         * graphite-sese-to-poly.c: Same.
1234         * graphite.c: Same.
1235         * lambda-code.c: Same.
1236         * matrix-reorg.c: Same.
1237         * tree-data-ref.c: Same.
1238         * tree-if-conv.c: Same.
1239         * tree-loop-distribu: Same.: Same.
1240         * tree-loop-linear.c: Same.
1241         * tree-parloops.c: Same.
1242         * tree-predcom.c: Same.
1243         * tree-vect-patterns.c: Same.
1244
1245 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1246
1247         Partially revert the previous patch, except the following.
1248         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1249         as parameters the operands of the not expression.
1250
1251 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1252
1253         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1254         Do not call analyze_scalar_evolution on assignments.
1255         (instantiate_scev_phi): Call analyze_scalar_evolution.
1256         (instantiate_scev_name): Call instantiate_scev_assign and
1257         instantiate_scev_phi.
1258         (instantiate_scev_not): Adapted to pass as parameters the operands
1259         of the not expression.
1260
1261 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1262
1263         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1264         to pass as parameters the operands of the binary expression.
1265
1266 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1267
1268         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1269         instantiate_scev_not.  Handle NEGATE_EXPR.
1270         (instantiate_scev_r): Handle NEGATE_EXPR.
1271
1272 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1273
1274         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1275         instantiate_scev_r.
1276         (instantiate_scev_r): Move code in instantiate_scev_2
1277         and instantiate_scev_1.
1278
1279 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1280
1281         * tree-scalar-evolution.c (instantiate_scev_3): New.
1282         (instantiate_scev_1): Move code in instantiate_scev_3.
1283
1284 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1285
1286         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1287         (instantiate_scev_1): Move code in instantiate_scev_poly.
1288
1289 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1290
1291         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1292         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1293
1294 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1295
1296         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1297         (instantiate_scev_1): Move code in instantiate_scev_convert.
1298
1299 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1300
1301         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1302         (instantiate_scev_1): Move code in instantiate_scev_binary.
1303
1304 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1305
1306         * tree-scalar-evolution.c (instantiate_scev_name): New.
1307         (instantiate_scev_1): Move code in instantiate_scev_name.
1308
1309 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1310
1311         * Merge from mainline (150992:151171).
1312
1313 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1314
1315         * graphite-dependences.c (graphite_legal_transform_bb): Call
1316         pbb_remove_duplicate_pdrs.
1317         * graphite-poly.c (can_collapse_pdr): Removed.
1318         (pdr_find_duplicate): Removed.
1319         (can_collapse_pdrs): New.
1320         (pbb_remove_duplicate_pdrs): New.
1321         (new_poly_dr): Do not look for duplicates.
1322         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1323         (PBB_PDR_DUPLICATES_REMOVED): New.
1324         (pbb_remove_duplicate_pdrs): Declared.
1325
1326 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1327
1328         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1329         the strides by multiplying by PDR_NB_REFS.
1330         * graphite-poly.c (can_collapse_pdr): New.
1331         (pdr_find_duplicate): New.
1332         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1333         Initialize PDR_NB_REFS.
1334         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1335         (PDR_NB_REFS): New.
1336         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1337
1338 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1339
1340         Revert one of the previous commits:
1341         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1342         the computation of symmetric data dependence relations.
1343         (dependency_between_pbbs_p): Same.
1344
1345 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1346
1347         PR middle-end/40965
1348         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1349         any transform.
1350
1351 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1352
1353         * graphite-dependences.c (pddr_original_scattering): Return NULL
1354         for read-read dependence relations.
1355         * graphite-poly.h (enum poly_dr_type): Fix comment.
1356         (pdr_read_p): New.
1357         (pdr_write_p): New.
1358         (pdr_may_write_p): New.
1359
1360 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1361
1362         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1363         (struct poly_dr): Same.
1364         (new_poly_dr): Same.
1365         * graphite-poly.c (new_poly_dr): Same.
1366
1367 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1368             Sebastian Pop  <sebastian.pop@amd.com>
1369
1370         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1371         pbb_strip_mine_time_depth.  Changed the implementation so that
1372         transformation is expressed as a transformation on
1373         time (scatttering) dimensions.  Also, ensures that the 2d+1
1374         scheduling format is preserved.
1375         (pbb_strip_mine_profitable_p): Profitability is based on the
1376         iteration number of a given time (scattering) dimension,
1377         and not on a original loop depth dimension.
1378         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1379         (pbb_do_strip_mine): Call psct_dynamic_dim.
1380         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1381         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1382         (pbb_nb_dynamic_scattering_transform): New.
1383         (psct_dynamic_dim): New.
1384
1385 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1386
1387         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1388         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1389         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1390         * graphite-interchange.c (build_linearized_memory_access): Same.
1391         (memory_stride_in_loop): Same.
1392
1393 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1394
1395         * graphite-dependences.c (pddr_original_scattering): New.
1396         (graphite_legal_transform_dr): Call pddr_original_scattering.
1397         (dot_deps_1): New.
1398         (dot_deps): New.
1399         * graphite-dependences.h (dot_deps): Declared.
1400         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1401         (print_pdr): Print PDR_ID.
1402         * graphite-poly.h (struct poly_dr): Add field id.
1403         (PDR_ID): New.
1404         (pbb_index): New.
1405         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1406
1407 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1408
1409         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1410         not delete the original dependence relation.
1411
1412 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1413
1414         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1415         the computation of symmetric data dependence relations.
1416         (dependency_between_pbbs_p): Same.
1417
1418 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1419
1420         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1421         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1422         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1423         (free_poly_ddr): New.
1424         (pddr_is_empty): New.
1425         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1426         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1427         Remove fprintfs.
1428         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1429         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1430         * graphite-dependences.h (enum poly_dependence_kind): New.
1431         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1432         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1433         (PDRP_SINK): Renamed PDDR_SINK.
1434         (PDRP_DDP): Renamed PDDR_DDP.
1435         (PDDR_KIND): New.
1436         (free_poly_ddr): Declared.
1437         * graphite-poly.c (new_scop): Use the new hash function names.
1438         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1439         into original_pddrs.
1440         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1441
1442 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1443
1444         * Merge from mainline (150764:150992).
1445
1446 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1447
1448         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1449         bounds with LT_EXPR to make niter analysis more precise on code
1450         generated by Graphite.
1451
1452 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1453
1454         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1455         (graphite_legal_transform_bb): Same.
1456         (poly_drs_may_alias_p): Same.
1457
1458 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1459
1460         PR middle-end/40981
1461         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1462         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1463
1464 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1465
1466         * graphite-poly.c (print_pbb): Print PBB index.
1467
1468 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1469
1470         * Merge from mainline (r150672:150764).
1471
1472 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1473
1474         * graphite-interchange.c (ppl_max_for_le): Moved...
1475         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1476         * graphite-ppl.c (ppl_max_for_le): ... here.
1477         * graphite-ppl.h (ppl_max_for_le): Declared.
1478
1479 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1480
1481         * Merge from mainline (r150372:150672).
1482
1483 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1484
1485         PR middle-end/40980
1486         * sese.c (convert_for_phi_arg): New.
1487         (add_guard_exit_phis): Use convert_for_phi_arg.
1488
1489         * testsuite/gfortran.dg/graphite/id-17.f: New.
1490
1491 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1492
1493         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1494         unknown subscript upper bounds.
1495
1496         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1497
1498 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1499             Pranav Garg  <pranav.garg2107@gmail.com>
1500
1501         * graphite-interchange.c (gather_access_strides): Removed.
1502         (ppl_max_for_le): New.
1503         (build_linearized_memory_access): New.
1504         (memory_stride_in_loop): New.
1505         (pbb_interchange_profitable_p): Reimplemented.
1506         * graphite-ppl.h (ppl_new_id_map): New.
1507         (ppl_interchange): New.
1508
1509         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
1510
1511 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1512
1513         * graphite-interchange.c (compute_subscript): Removed.
1514         (compute_array_size_cstr): Removed.
1515         (compute_array_size_poly): Removed.
1516         (compute_array_size): Removed.
1517         (gather_access_strides_poly): Removed.
1518         (gather_access_strides): Empty.
1519
1520 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1521
1522         * graphite-dependences.c (dependence_polyhedron_1): Replace
1523         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1524         (graphite_legal_transform_dr): Same.
1525         (graphite_carried_dependence_level_k): Same.
1526         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1527         Initialize PDR_NB_SUBSCRIPTS.
1528         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1529         PDR_NB_SUBSCRIPTS.
1530         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1531         (PDR_NB_SUBSCRIPTS): New.
1532         (pdr_nb_subscripts): Removed.
1533         (pdr_dim): Simplified.
1534         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1535         with PDR_NB_SUBSCRIPTS.
1536
1537 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1538
1539         * graphite-interchange.c (compute_array_size): Remove use of
1540         PDR_DATA_CONTAINER.
1541         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1542         Do not initialize PDR_DATA_CONTAINER.
1543         (print_pdr): Do not print PDR_DATA_CONTAINER.
1544         * graphite-poly.h (struct poly_dr): Remove data_container field.
1545         (PDR_DATA_CONTAINER): Removed.
1546         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1547         PDR_DATA_CONTAINER.
1548         (build_poly_dr): Same.
1549
1550 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1551
1552         * testsuite/gcc.dg/graphite/interchange-9.c: New.
1553
1554 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1555             Sebastian Pop  <sebastian.pop@amd.com>
1556
1557         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1558         copy of the dependence polyhedron.  Free the temporary objects.
1559         (graphite_carried_dependence_level_k): Free unused objects before
1560         returning.
1561
1562         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
1563         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
1564         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
1565         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
1566         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
1567
1568 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1569
1570         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1571         Early return without analyzing the data dependences if no
1572         transform has been done.  Call restore_scattering if the transform
1573         is not legal.
1574         (graphite-interchange.c): Same.
1575         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1576         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1577         (apply_poly_transforms): Do not gcc_assert that
1578         the transform is legal.
1579         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1580         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1581         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1582         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1583         * graphite-poly.h (struct poly_scattering): New.
1584         (struct poly_bb): Add original, transformed, and saved fields.
1585         Remove transformed_scattering, original_scattering, nb_local_variables,
1586         and nb_scattering_transform fields.
1587         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1588         (poly_scattering_new): New.
1589         (poly_scattering_free): New.
1590         (poly_scattering_copy): New.
1591         (store_scattering_pbb): New.
1592         (store_scattering): New.
1593         (restore_scattering_pbb): New.
1594         (restore_scattering): New.
1595         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1596         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1597
1598 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1599
1600         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1601         (print_scop): Same.
1602
1603 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1604
1605         * Makefile.in (graphite.o): Depends on PREDICT_H.
1606         * graphite.c: Include predict.h.
1607         (graphite_finalize): Call tree_estimate_probability.
1608         * predict.c (predict_loops): Do not call scev_initialize and
1609         scev_finalize.
1610         (tree_estimate_probability_bb): New.
1611         (tree_estimate_probability): Do not initialize loops: move that
1612         code to the driver.  Call tree_estimate_probability_bb.
1613         (tree_estimate_probability_driver): New.
1614         (pass_profile): Use tree_estimate_probability_driver.
1615         * predict.h (tree_estimate_probability): Declared.
1616
1617 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1618
1619         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1620         * graphite-dependences.c (graphite_legal_transform): Add time to
1621         TV_GRAPHITE_DATA_DEPS.
1622         (dependency_between_pbbs_p): Same.
1623         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1624
1625 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
1626
1627         * Merge from mainline (r149952:150372).
1628
1629 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1630
1631         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
1632         * graphite-blocking.c: Same.
1633         * graphite-clast-to-gimple.c: Same.
1634         * graphite-dependences.c: Same.
1635         * graphite-poly.c: Same.
1636         * graphite-poly.h: Same.
1637         * graphite-ppl.c: Same.
1638         * graphite-scop-detection.c: Same.
1639         * graphite-sese-to-poly.c: Same.
1640         * graphite.c: Same.
1641
1642 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1643
1644         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
1645         (remove_simple_copy_phi): New.
1646         (remove_invariant_phi): New.
1647         (simple_copy_phi_p): New.
1648         (reduction_phi_p): New.
1649         (gsi_for_ssa_name_def): New.
1650         (insert_out_of_ssa_copy): New.
1651         (insert_out_of_ssa_copy_on_edge): New.
1652         (create_zero_dim_array): New.
1653         (scalar_close_phi_node_p): New.
1654         (rewrite_close_phi_out_of_ssa): New.
1655         (rewrite_phi_out_of_ssa): New.
1656         (rewrite_reductions_out_of_ssa): New.
1657         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
1658
1659         * testsuite/gcc.dg/graphite/id-11.c: New.
1660         * testsuite/gcc.dg/graphite/id-15.c: New.
1661         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
1662         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
1663         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
1664         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
1665         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
1666         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
1667         * testsuite/gfortran.dg/graphite/id-13.f: New.
1668         * testsuite/gfortran.dg/graphite/id-5.f: New.
1669
1670 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1671
1672         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
1673         check that nb_reductions_in_loop is zero.
1674         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
1675         reduction phi nodes.
1676         (nb_reductions_in_loop): Removed.
1677         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
1678         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
1679         (bb_contains_non_iv_scalar_phi_nodes): Removed.
1680         (scop_contains_non_iv_scalar_phi_nodes): Removed.
1681         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
1682
1683 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1684
1685         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
1686         statements that have an empty iteration domain.
1687         * testsuite/gfortran.dg/graphite/id-16.f: New.
1688
1689 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1690
1691         * tree-scalar-evolution.c (instantiate_scev_1): Return
1692         chrec_dont_know when the result is not above instantiate_below.
1693         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
1694         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
1695         the tree has a known scalar evolution.
1696         * testsuite/gfortran.dg/graphite/id-14.f: New.
1697         * testsuite/gfortran.dg/graphite/id-15.f: New.
1698
1699 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1700
1701         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
1702         insert_gsi.
1703         (rename_variables): Keep inserting renames after the ones already
1704         inserted.
1705
1706 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1707
1708         * graphite-sese-to-poly.c (compare_bb_depths): New.
1709         (graphite_sort_dominated_info): New.
1710         (build_scop_bbs_1): Call graphite_sort_dominated_info.
1711         (build_scop_scattering): Fix comment.
1712
1713 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1714
1715         * graphite.c (graphite_finalize): Call print_loops instead of
1716         dump_function_to_file.
1717         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
1718         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
1719         loops generated in the graphite output file.
1720         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
1721         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
1722         * testsuite/gfortran.dg/graphite/id-12.f: New.
1723
1724 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1725
1726         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
1727         Remove 2 XFAIL.
1728
1729 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1730             Tobias Grosser  <grosser@fim.uni-passau.de>
1731
1732         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
1733         alias set number build alias in ACCESSES polyhedron.
1734         (build_alias_set_for_drs): New.
1735         (build_pbb_drs): Added build_alias_set_for_drs.
1736         * graphite-dependences.c (poly_drs_may_alias_p): New.
1737         (graphite_carried_dependence_level_k): Check alias information
1738         before building polyhedron.
1739
1740 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1741
1742         * Makefile.in (lambda-code.o): Fix formatting.
1743
1744 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1745
1746         * Merge from mainline (r149350-149952)
1747
1748 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1749
1750         * graphite-poly.c (apply_poly_transforms): Move strip_mine
1751         before interchange to prepare for loop blocking.
1752
1753 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1754
1755         * graphite-poly.c (apply_poly_transforms): Add checks after every
1756         transformation.
1757         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
1758         done in apply_poly_transforms.
1759
1760 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1761
1762         * graphite-dependences.c (build_lexicographically_gt_constraint):
1763         Replace RES parameter with *RES.
1764         (dependence_polyhedron_1): Pass an address of the parameter RES
1765         instead of value of RES.
1766
1767 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1768
1769         * graphite.c (graphite_finalize): Fix comment.
1770         (graphite_transform_loops): Reset scev info after code generation
1771         of each scop.
1772
1773 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1774
1775         * graphite.c (graphite_finalize): Call scev_reset.
1776
1777 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1778
1779         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
1780         GBB_CLOOG_IV_TYPES hash table twice.
1781         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
1782         (add_condition_to_domain): Clear GMP values.
1783
1784 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1785
1786         * graphite-dependences.c: Fix formatting.
1787         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
1788         (pbb_number_of_iterations): Free ppl_Linear_Expression.
1789         * graphite-sese-to-poly.c: Fix formatting.
1790         * graphite.c (graphite_transform_loops): Create the hash table
1791         after the early return.
1792
1793 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1794
1795         * testsuite/gcc.dg/graphite/id-14.c: New.
1796         * testsuite/gcc.dg/graphite/pr40157.c: New.
1797         * testsuite/gfortran.dg/graphite/id-11.f: New.
1798
1799 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1800
1801         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1802         (build_poly_scop): Return false when there are no pbbs within
1803         loops to avoid to pass to cloog scops with no loops.
1804
1805 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1806
1807         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1808         useless test "i % 2".
1809         (build_pbb_scattering_polyhedrons): Fix formatting.
1810         (build_poly_dr): Same.
1811         * graphite.c (graphite_transform_loops): Restructure.
1812
1813 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1814
1815         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1816         reduction_list parameter.
1817         (rewrite_all_phi_nodes_with_iv): Same.
1818         (canonicalize_loop_ivs): Same.
1819         * tree-parloops.c (struct brli): Removed.
1820         (build_reduction_list_info): Removed.
1821         (build_new_reduction): New.
1822         (analyze_reduction_list): Removed.
1823         (gather_scalar_reductions): Find reductions instead of phi
1824         nodes that can't be canonicalized.
1825         (try_create_reduction_list): Remove reduction_list parameter.
1826         (gen_parallel_loop): Same.
1827         (parallelize_loops): Remove analyze_reductions variable,
1828         initialization and free.
1829         Change reduction_list htab initialization to reduction_info
1830         elements instead of ssa names.
1831         Call try_create_reduction_list and gen_parallel_loop without
1832         analyzed_reduction argument.
1833         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
1834         canonicalize_loop_ivs with one less argument.
1835         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1836
1837 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1838
1839         * graphite-dependences.c (new_poly_dr_pair): New.
1840         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
1841         (new_poly_dr_pair): New.
1842         (eq_poly_dr_pair_p): New.
1843         (hash_poly_dr_pair_p): New.
1844         * graphite-dependences.h (struct poly_dr_pair): New.
1845         (eq_poly_dr_pair_p): Declared.
1846         (hash_poly_dr_pair_p): Declared.
1847         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1848         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1849         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1850         * Makefile.in (graphite-poly.o): Add dependence on
1851         graphite-dependences.h.
1852
1853 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1854
1855         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1856         polynomials of degree > 1 pass to Graphite.
1857         * tree-chrec.c (scev_is_linear_expression): Call
1858         evolution_function_is_affine_multivariate_p.
1859         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1860
1861 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1862
1863         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1864         Instantiate scevs varying in outer loops.
1865         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1866
1867 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1868
1869         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1870         redundant constraint.
1871
1872 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1873
1874         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1875         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1876         based on the file names as in the C testsuite.
1877         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1878         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1879         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1880         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1881         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1882         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1883         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1884         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1885         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1886         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1887         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1888         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1889         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1890
1891 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1892
1893         * sese.c (expand_scalar_variables_call): New.
1894         (expand_scalar_variables_ssa_name): Handle calls in expander.
1895
1896 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1897
1898         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1899         Expect to see the pattern twice.
1900         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1901         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1902         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1903
1904 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1905
1906         * testsuite/gcc.dg/graphite/id-10.c: New.
1907         * testsuite/gcc.dg/graphite/id-12.c: New.
1908         * testsuite/gfortran.dg/graphite/id-7.f: New.
1909         * testsuite/gfortran.dg/graphite/id-8.f: New.
1910
1911 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1912
1913         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1914         zero.
1915
1916 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1917
1918         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1919
1920 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1921
1922         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1923
1924 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1925
1926         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1927         building PDR subscripts.
1928
1929 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1930
1931         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1932         computation of array sizes.
1933
1934 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1935
1936         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1937
1938 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1939
1940         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1941         build_pairwise_constraint, dr_equality_constraints,
1942         build_pairwise_scheduling_equality,
1943         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1944         build_lexicographically_gt_constraint, dependence_polyhedron,
1945         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1946         Move from NNC_Polyhedron to C_Polyhedron.
1947         * graphite-interchange.c (compute_array_size_poly,
1948         gather_access_strides): Dito.
1949         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1950         free_scop, pbb_number_of_iterations): Dito.
1951         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1952         pbb_dim_iter_domain, struct scop): Dito.
1953         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1954         new_Cloog_Domain_from_ppl_Polyhedron,
1955         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1956         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1957         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1958         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1959         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1960         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1961         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1962         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1963         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1964         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1965         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1966         build_scop_iteration_domain, build_poly_dr): Dito
1967
1968 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1969
1970         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1971         run-id-*.c files.
1972         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1973
1974 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1975
1976         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1977         positivity constraint on the symbolic number of iterations.
1978
1979 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1980
1981         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1982
1983 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1984             Tobias Grosser  <grosser@fim.uni-passau.de>
1985
1986         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1987         (build_cloog_prog): Directly use SCOP_CONTEXT.
1988         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1989         (free_scop): Free SCOP_CONTEXT.
1990         (print_scop_context): New.
1991         (print_scop): Call print_scop_context.
1992         (debug_scop_context): New.
1993         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1994         (struct scop): Added field context.
1995         (SCOP_CONTEXT): New.
1996         * graphite-sese-to-poly.c (add_param_constraints): New.
1997         (build_scop_context): New.
1998         (build_poly_scop): Call build_scop_context.
1999
2000 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2001
2002         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
2003         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
2004         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
2005         * graphite-ppl.h: Include double-int.h and tree.h.
2006         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
2007         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
2008         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
2009         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
2010
2011 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2012
2013         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
2014         POINTER_PLUS_EXPR for pointer types.
2015         (clast_to_gcc_expression): Same.
2016
2017 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2018
2019         * graphite-poly.c (print_scattering_function): Early return when
2020         PBB_TRANSFORMED_SCATTERING is not initialized.
2021         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
2022
2023 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
2024
2025         * tree-parloops.c (analyze_reduction_list): Remove unused variable
2026         to fix bootstrap.
2027
2028 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
2029
2030         * tree-parloops.c (analyze_reduction_list): Change return
2031         value to void.
2032         (try_create_reduction_list): Move the call to
2033         analyze_reduction_list to the beginining.
2034         Call reduction_phi with analyzed_reductions as argument
2035         instead of reduction_list.
2036
2037 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2038
2039         *  Merge from mainline (r148296:149346)
2040
2041 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2042
2043         * graphite-scop-detection.c (graphite_can_represent_init): New.
2044         (graphite_can_represent_scev): Call graphite_can_represent_init:
2045         check that the initial value does not contain multiplications of
2046         parameters.
2047         (stmt_has_simple_data_refs_p): New.
2048         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
2049         (is_simple_operand): Fix formatting.
2050         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
2051
2052 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2053
2054         * testsuite/gcc.dg/graphite/id-13.c: New.
2055         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
2056         analyze_scalar_evolution, use scalar_evolution_in_region.
2057         (scan_tree_for_params_right_scev): Add extra assert.
2058         (parameter_index_in_region_1): Split from parameter_index_in_region.
2059         (idx_record_params): Use scalar_evolution_in_region.
2060         (find_params_in_bb): Same.
2061         (find_scop_parameters): Same.
2062         (build_loop_iteration_domains): Same.
2063         (create_linear_expr_from_tree): Same.
2064         * sese.c (scalar_evolution_in_region): New.
2065         * sese.h (scalar_evolution_in_region): Declared.
2066         (defined_in_sese_p): New.
2067         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
2068         static anymore.
2069         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
2070         Declared.
2071
2072 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2073
2074         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
2075         TREE_DATA_REF_H also implies SCEV_H.
2076
2077 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2078
2079         * graphite-poly.c (print_scop_params): New.
2080         (print_scop): Call print_scop_params.
2081         (debug_scop_params): New.
2082         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
2083
2084 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2085
2086         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
2087         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
2088         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
2089         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
2090         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
2091         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
2092
2093 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2094
2095         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
2096         for dependency checking part.
2097         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
2098         tests for dependency checking.
2099         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2100         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2101         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
2102         flag -fdump-tree-graphite-all for autopar testsuites.
2103
2104 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2105
2106         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
2107         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
2108         canonicalize_loop_ivs): Moved...
2109         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
2110
2111 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2112
2113         * tree-parloops.c (try_create_reduction_list): Pass an extra
2114         argument analyzed_reductions.  Call analyze_reduction_list.
2115         (gen_parallel_loop): Do not call analyze_reduction_list.
2116         (parallelize_loops): Init and finalize analyzed_reductions.
2117
2118 2009-07-06  Li Feng  <nemokingdom@gmail.com>
2119
2120         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2121         Added flag -fno-loop-strip-mine for autopar testcase.
2122
2123 2009-07-04  Li Feng  <nemokingdom@gmail.com>
2124
2125         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
2126         transformed scattering dimension instead of unmatch orignal when
2127         calling dependence_polyhedron.
2128
2129 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2130
2131         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
2132
2133 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2134
2135         * graphite-poly.c (pbb_number_of_iterations): Check for returned
2136         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
2137
2138 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2139
2140         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
2141         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
2142         * graphite-poly.c (pbb_number_of_iterations): New.
2143         * graphite-poly.h (pbb_number_of_iterations): Declared.
2144         (pbb_iterator_dim, pbb_parameter_dim): New.
2145
2146 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
2147
2148         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
2149         last commit on type of lower and upper bound of loops.
2150
2151 2009-06-29  Li Feng  <nemokingdom@gmail.com>
2152
2153         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
2154         graphite-dependences.h.
2155         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
2156         (mark_bb_with_pbb): New.
2157         (get_stmtfor_depth): New.
2158         (find_pbb_via_hash): New.
2159         (dependency_in_loop_p): New.
2160         (mark_loops_parallel): New.
2161         (free_aux_in_new_loops): New.
2162         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
2163         bb with it's relevant pbb. Mark newly created loops.  Remove mark
2164         innermost loop parallel without checking.
2165         (gloog): Add parameter BB_PBB_MAPPING.
2166         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
2167         (gloog): Change declaration.
2168         (mark_loop_parallel): Make extern.
2169         (free_aux_in_new_loops): Declare.
2170         (bb_pbb_map_hash): New.
2171         (eq_bb_pbb_map): New.
2172         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
2173         auto parallelization when flag_graphite_force_parallel is set.
2174         (graphite_finalize): Added free_aux_in_new_loops.
2175         * tree-parloops.c (parallelize_loops): Only generate parallel code for
2176         the innermost loop that marked parallel.  Use
2177         flag_graphite_force_parallel instead of loop->can_be_parallel.
2178         (loop_parallel_p): Move inner most checking out of function.
2179
2180 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2181
2182         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
2183         type of lower and upper bound of loops signed long int.
2184
2185 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2186
2187         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
2188         expression outside the loop.
2189
2190 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2191
2192         * gcc.dg/graphite/interchange-8.c: New.
2193
2194 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2195
2196         * gcc.dg/graphite/interchange-0.c: XFailed.
2197         * gcc.dg/graphite/interchange-5.c: XFailed.
2198         * gcc.dg/graphite/interchange-6.c: XFailed.
2199
2200 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2201
2202         * graphite-interchange.c (compute_array_size_poly): The end of the
2203         recursion should return 1.
2204
2205 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2206
2207         * graphite-interchange.c (compute_array_size_cstr): Allow the
2208         subscript multiplier to be -1.
2209         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
2210         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
2211         data_container.  Initializes PDR_DATA_CONTAINER.
2212         (print_pdr_access_layout): New.
2213         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
2214         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
2215         data_container.
2216         (PDR_DATA_CONTAINER): New.
2217         (new_poly_dr): Update declaration.
2218         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
2219         (build_poly_dr): Call pdr_add_data_dimensions.
2220
2221 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2222
2223         * graphite-poly.h (struct poly_dr): Fix comment.
2224         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2225         (pdr_add_memory_accesses): New.
2226         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2227
2228 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2229
2230         * graphite-poly.c (print_pdrs, debug_pdrs): New.
2231         (print_pbb): Add call to print_pdrs.
2232         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2233
2234 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2235             Li Feng <nemokingdom@gmail.com>
2236
2237         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2238         (dependency_between_pbbs_p): New.
2239         (lexicographically_gt_p): Assure !empty_p before polyhedron
2240         intersection assign.
2241         (build_lexicographically_gt_constraint): Correct lexicographically
2242         judging.
2243         * graphite-dependences.h: New.
2244         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2245
2246 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2247
2248         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2249         (gloog): Print to dump_file the generated clast.
2250         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2251         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2252
2253 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2254
2255         * graphite-poly.c (extend_scattering): Increment
2256         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2257
2258 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2259
2260         * graphite-interchange.c (compute_array_size_poly): Added exit of
2261         recursion condition.  Continue iterating even after the first equality.
2262         (compute_array_size): Same.
2263
2264 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2265
2266         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2267         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2268         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2269         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2270         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2271
2272 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2273
2274         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2275         only when the use verifies is_gimple_reg.
2276
2277 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2278
2279         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2280         Allocate scaldims after call to unify_scattering_dimensions.
2281
2282 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2283
2284         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2285
2286 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2287             Albert Cohen  <albert.cohen@inria.fr>
2288
2289         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2290         variables for the strip mining.
2291
2292 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2293             Pranav Garg  <pranav.garg2107@gmail.com>
2294
2295         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2296         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2297         (graphite-blocking.o): New rule.
2298         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2299         * graphite-blocking.c: New.
2300         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2301         flag_loop_strip_mine.
2302         (psct_scattering_dim_for_loop_depth): New.
2303         * graphite-poly.h (scop_do_strip_mine): Declared.
2304         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2305         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2306         flag_loop_strip_mine.
2307
2308 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2309
2310         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2311         a GMP value and a PPL coefficient at each iteration of a loop.
2312
2313 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2314
2315         * graphite-dependences.c (dependence_polyhedron): Do not use
2316         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2317         pbb_nb_scattering_transform.
2318         (graphite_legal_transform_dr): Same.
2319         * graphite-poly.c (extend_scattering): Same.
2320         (unify_scattering_dimensions): Same.
2321         (print_scattering_function): Same.
2322         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2323         PBB_NB_LOCAL_VARIABLES.
2324         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2325         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2326         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2327         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2328         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2329         (pbb_nb_scattering_transform): New.
2330         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2331         (psco_scattering_dim): Add assert on parameters.
2332         (psct_scattering_dim): Same.
2333         (psct_scattering_dim_for_loop_depth): Declared.
2334         (psct_local_var_dim): New.
2335         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2336         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2337         correct layout, call pbb_nb_local_vars.
2338         (psct_add_local_variable, psct_add_scattering_dimension): New.
2339         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2340         Initialize PBB_NB_SCATTERING_TRANSFORM.
2341
2342 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2343
2344         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2345         (set_coef): Renamed ppl_set_coef.
2346         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2347
2348 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2349
2350         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2351         test a boolean against 1.
2352         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2353         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2354         (pbb_do_interchange): Returns true when a transform has been performed.
2355         (scop_do_interchange): Same.
2356         * graphite-poly.c (apply_poly_transforms): Use the return value of
2357         scop_do_interchange.
2358         * graphite-poly.h (scop_do_interchange): Update declaration.
2359
2360 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2361
2362         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2363         after last use.
2364         * sese.c (sese_reset_aux_in_loops): New.
2365         * sese.h (sese_reset_aux_in_loops): New.
2366
2367 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2368
2369         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2370         multiplier and multiply the constant by the multiplier.
2371         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2372         (build_poly_dr): Do not use the multiplier to define the subscript.
2373
2374 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2375
2376         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2377         compiler's data reference.  Initialize PDR_CDR.
2378         (print_pdr): Call dump_data_reference.
2379         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2380         Add compiler_dr field.
2381         (PDR_BB): Renamed PDR_PBB.
2382         (PDR_CDR): New.
2383         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2384         GCC's data reference representation.
2385         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2386         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2387
2388 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2389
2390         * graphite-poly.c (print_scattering_function): Also print the layout.
2391         * graphite-poly.h (pbb_nb_local_vars): New.
2392
2393 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2394
2395         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2396
2397 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2398
2399         * graphite-poly.c (print_pdr, debug_pdr): New.
2400         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2401         (PDR_BASE): Removed.
2402
2403 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2404
2405         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2406         ltrans-{1..6,8}.c.
2407
2408 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2409
2410         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2411         subscript identification column.
2412         (pbb_do_interchange): Print to dump_file that some loops "will be
2413         interchanged".  Rely on that chain of characters in the testcases.
2414         * gcc.dg/graphite/interchange-0.c: New.
2415         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2416         interchange-*.c files and compile them with -floop-interchange.
2417
2418 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2419
2420         * graphite-interchange.c (interchange_profitable_p): Renamed
2421         pbb_interchange_profitable_p.
2422
2423 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2424             Harsha Jagasia  <harsha.jagasia@amd.com>
2425             Pranav Garg  <pranav.garg2107@gmail.com>
2426
2427         * graphite-interchange.c (interchange_profitable_p): Make static.
2428         (pbb_interchange_loop_depths, pbb_do_interchange,
2429         scop_do_interchange): New.
2430         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2431         for flag_loop_interchange.
2432         * graphite-poly.h (scop_do_interchange): Declared.
2433         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2434         flag_loop_interchange is used.
2435
2436 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2437
2438         * graphite-dependences.c (dependence_polyhedron): Update use of
2439         pbb_nb_scattering_dims.
2440         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2441         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2442         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2443         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2444
2445 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2446
2447         * graphite.c: Cleanup foo.
2448
2449 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2450
2451         * Merge from mainline (r143684:148293).
2452         * Disabled libpcp until it gets fixed.
2453
2454 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2455             Harsha Jagasia  <harsha.jagasia@amd.com>
2456
2457         * graphite-interchange.c: New.
2458         * Makefile.in (graphite-interchange.o): New.
2459         * graphite-poly.h (interchange_profitable_p): Declared.
2460         * graphite-ppl.h (value_max): New.
2461
2462 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2463
2464         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2465         * graphite-poly.h: Fix some comments.
2466         (pdr_dim): New.
2467         (pdr_scop): New.
2468
2469 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2470
2471         * graphite-poly.h
2472         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2473         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2474         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2475         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2476         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2477         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2478         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2479         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2480         * graphite-clast-to-gimple.c: Same.
2481         * graphite-dependences.c: Same.
2482         * graphite-poly.c: Same.
2483         * graphite-sese-to-poly.c: Same.
2484
2485 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2486
2487         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2488         expressions for an IV rename, as returned by clast_to_gcc_expression.
2489         (copy_renames): Rename new_name to expr.
2490         * sese.c (debug_rename_elt): Same.
2491         (get_rename): Same.
2492         (set_rename): Same.
2493         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2494         the information from the rename map.
2495         (rename_variables_in_stmt): Same.
2496         (add_loop_exit_phis): Rename new_name to expr.
2497         (insert_loop_close_phis): Same.
2498         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2499         * sese.h (struct rename_map_elt): Rename new_name to expr.
2500         (new_rename_map_elt): Same.
2501
2502 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2503
2504         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2505         * sese.c (set_rename): Make it extern.
2506         * sese.h (set_rename): Declared.
2507
2508 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2509
2510         * graphite-poly.c (extend_scattering): Free values.
2511         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2512         Free iterators.
2513         (ppl_print_powerset_matrix): Same.
2514         * graphite-scop-detection.c (free_scops_1): New.
2515         (limit_scops): Call free_scops_1.
2516         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2517         (build_poly_dr): Free PPL coefficients.
2518         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2519
2520 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2521
2522         * graphite-dependences.c: New.
2523         * graphite-data-ref.c: Removed.
2524         * graphite-data-ref.h: Removed.
2525         * Makefile.in (graphite-data-ref.o): Removed.
2526         (graphite-dependences.o): Added.
2527         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2528         * graphite-poly.c: Same.
2529         Move the data dependence testing to graphite-dependences.c.
2530
2531 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2532
2533         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2534         from graphite_cannot_represent_loop. Code refactored.
2535         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2536
2537 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2538
2539         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2540         Cover all the testcases (not only the filtered ones).
2541
2542 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2543
2544         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2545         unnecessary check. Update comments. Move check for REAL_TYPE here.
2546         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2547         done in (stmt_simple_for_scop_p).
2548
2549 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2550
2551         * graphite.c (print_global_statistics): New.
2552         (print_graphite_scop_statistic): New.
2553         (print_graphite_statistics): New.
2554         (graphite_initialize, graphite_transform_loops): Print statistics.
2555         * graphite-scop-detection (build_scops): Print statistics.
2556         (print_graphite_scop_statistics): New.
2557         (print_graphite_statistics): New.
2558
2559 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2560
2561         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2562         (debug_clast_name_index): Removed.
2563         (debug_clast_name_indexes_1): Removed.
2564         (debug_clast_name_indexes): Removed.
2565         (clast_name_index_elt_info): Removed.
2566         (eq_clast_name_indexes): Removed.
2567         (clast_name_to_index): Removed.
2568         (new_clast_name_index): Removed.
2569         (save_clast_name_index): Removed.
2570         (save_var_name): Moved...
2571         (init_sese_params_index): Removed.
2572         (clast_name_to_gcc): Remove use of name_tree.
2573         (initialize_cloog_names): Same.
2574         (gloog): Do not call init_sese_params_index.
2575         * graphite-sese-to-poly.c (save_var_name): ...here.
2576         (parameter_index_in_region): New.
2577         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2578         (parameter_index_in_region): Removed.
2579         (is_parameter): Remove use of name_tree.
2580         * sese.h (struct name_tree): Removed.
2581         (struct sese): Remove use of name_tree.  New field params_names.
2582         (SESE_PARAMS_NAMES): New.
2583         (SESE_PARAMS): Remove duplicate.
2584         (parameter_index_in_region): Removed.
2585         (sese_nb_params): Remove use of name_tree.
2586         (struct clast_name_index): New.
2587         (new_clast_name_index): New.
2588         (clast_name_to_index): New.
2589         (save_clast_name_index): New.
2590         (debug_clast_name_index): New.
2591         (debug_clast_name_indexes_1): New.
2592         (debug_clast_name_indexes): New.
2593         (clast_name_index_elt_info): New.
2594         (eq_clast_name_indexes): New.
2595
2596 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2597
2598         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
2599         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
2600         (graphite_loop_normal_form): Do not pass region.  Do not
2601         initialize SESE_OLDIVS.
2602         (build_graphite_loop_normal_form): Update call to
2603         graphite_loop_normal_form.
2604         * sese.c (debug_oldivs): Removed.
2605         (new_sese): Do not initialize SESE_OLDIVS.
2606         (free_sese): Do not free SESE_OLDIVS.
2607         (oldiv_for_loop): Removed.
2608         * sese.h (struct sese): Remove old_ivs.
2609         (SESE_OLDIVS): Removed.
2610         (oldiv_for_loop): Removed.
2611
2612 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2613
2614         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
2615         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
2616         replaced by a call to newivs_to_depth_to_newiv.
2617         (clast_to_gcc_expression): Pass newivs, remove ivstack.
2618         (clast_to_gcc_expression_red): Same.
2619         (gcc_type_for_clast_expr): Same.
2620         (gcc_type_for_clast_eq): Same.
2621         (graphite_translate_clast_equation): Same.
2622         (graphite_create_guard_cond_expr): Same.
2623         (graphite_create_new_guard): Same.
2624         (graphite_create_new_loop): Same.
2625         (build_iv_mapping): Same.
2626         (translate_clast): Same.
2627         (gloog): Same.
2628         (loop_iv_stack_patch_for_consts): Removed.  *
2629         sese.c (iv_stack_entry_is_constant): Removed.
2630         (iv_stack_entry_is_iv): Removed.
2631         (loop_iv_stack_push_iv): Removed.
2632         (loop_iv_stack_insert_constant): Removed.
2633         (loop_iv_stack_pop): Removed.
2634         (loop_iv_stack_get_iv): Removed.
2635         (loop_iv_stack_get_iv_from_name): Removed.
2636         (debug_loop_iv_stack): Removed.
2637         (free_loop_iv_stack): Removed.
2638         (loop_iv_stack_remove_constants): Removed.  *
2639         sese.h (iv_stack_entry_kind): Removed.
2640         (iv_stack_entry_data_union): Removed.
2641         (iv_stack_entry_struct): Removed.
2642         (iv_stack_entry_p): Removed.
2643         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
2644         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
2645         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
2646         loop_iv_stack_pop, free_loop_iv_stack): Removed.
2647         (gbb_loop_at_index): Fix indenting.
2648         (gbb_loop_index): Removed.
2649
2650 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2651
2652         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
2653         Call clast_name_to_index.
2654
2655 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2656
2657         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
2658         do not pass params.  Get params from SESE_PARAMS.
2659         (clast_to_gcc_expression): Same.
2660         (clast_to_gcc_expression_red): Same.
2661         (gcc_type_for_clast_eq): Same.
2662         (graphite_translate_clast_equation): Same.
2663         (graphite_create_new_loop): Same.
2664         * sese.c (rename_variables_in_stmt): Fix comment.
2665
2666 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2667
2668         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
2669         newivs_index.
2670         Call save_clast_name_index.
2671         (translate_clast): Pass newivs_index.
2672         (gloog): Create and free newivs_index.
2673
2674 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2675
2676         * graphite-clast-to-gimple.c (clast_name_index): New structure.
2677         (clast_name_index_p): New type.
2678         (debug_clast_name_index): New.
2679         (debug_clast_name_indexes_1): New.
2680         (debug_clast_name_indexes): New.
2681         (clast_name_index_elt_info): New.
2682         (eq_clast_name_indexes): New.
2683         (clast_name_to_index): New.
2684         (new_clast_name_index): New.
2685         (save_clast_name_index): New.
2686         (init_sese_params_index): New.
2687         (gloog): Call init_sese_params_index.
2688         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
2689         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
2690         (free_sese): Free SESE_PARAMS_INDEX.
2691         * sese.h (struct sese): Add params_index.
2692         (SESE_PARAMS_INDEX): New.
2693
2694 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2695
2696         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
2697         (graphite_create_new_loop): Pass the newivs vector.  Push the
2698         newly created IV to newivs.
2699         (translate_clast): Pass the newivs vector.
2700         (gloog): Create and destroy the newivs vector.
2701
2702 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2703
2704         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
2705         (graphite_loop_normal_form): Initialize loop->aux with the unique
2706         IV that has been created.
2707
2708 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
2709
2710         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
2711         scev with parameters in the base part. They where forbidden
2712         exidently.
2713
2714 2009-05-11  Li Feng  <nemokingdom@gmail.com>
2715
2716         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
2717         compile options by file names.
2718         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
2719         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
2720         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
2721         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
2722
2723 2009-05-08  Li Feng <nemokingdom@gmail.com>
2724
2725         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
2726         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
2727         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
2728         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
2729
2730 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2731
2732         * graphite-scop-detection (build_scops_1): Fix little bug introduced
2733         by final cleanup.
2734
2735 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2736
2737         * graphite-scop-detection.c (graphite_can_represent_scev): Only
2738         allow integer constant strides.
2739         (graphite_can_represent_expr): Depend on outermost_loop.
2740         (stmt_simple_memref_p, graphite_cannot_represent_loop,
2741         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
2742         build_scops_1): Same.
2743         (scopdet_basic_block_info): Same and insert layered SCoP
2744         detection.
2745         (try_generate_gimple_bb): Cleanup.
2746         (build_scops): Enable data references.
2747
2748         * testsuite/gcc.dg/graphite/id-5.c: New.
2749         * testsuite/gcc.dg/graphite/id-9.c: New.
2750         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2751         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
2752
2753 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2754
2755         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
2756         that we have not yet built for this SCoP.
2757
2758 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2759
2760         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
2761         for complex numbers.
2762
2763 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2764
2765         * graphite-ppl.c: Fix build if cloog is not available.
2766
2767 2009-05-04  Li Feng  <nemokingdom@gmail.com>
2768
2769         * tree-parloops.c (loop_parallel_p): Remove construction of
2770         NITER and REDUCTION_LIST.
2771         (try_get_loop_niter): New.
2772         (try_create_reduction_list): New.
2773         (parallelize_loops): Bypass the failed checkings in autopar
2774         when can_be_parallel in loop structure is set to true.
2775
2776 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2777
2778         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
2779         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
2780
2781 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2782
2783         * graphite-scop-detection.c (stmt_simple_for_scop_p):
2784         Enable EQ_EXPR and NE_EXPR again.
2785
2786 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2787
2788         * graphite-scop-detection.c (graphite_can_represent_scev):
2789         Add check if scev is affine multivariate.
2790         (harmful_stmt_in_bb): Check if we can represent the conditions.
2791         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
2792         harmful_stmt_in_bb.
2793         * testsuite/gcc.dg/graphite/id-7.c: New.
2794
2795 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2796
2797         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2798         Check all bbs in region, not only the bbs that are represented in
2799         GRAPHITE.
2800         (build_poly_scop): Add newline.
2801         * testsuite/gcc.dg/graphite/id-8.c: New.
2802
2803 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2804
2805         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2806         when loop initialize.
2807         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2808         * common.opt: Declare flag_graphite_force_parallel.
2809         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2810         loop parallel.
2811         * graphite-poly.c (apply_poly_transforms): Introduce
2812         flag_graphite_force_parallel.
2813         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2814         * toplev.c (process_options): ditto and replace a not correctly
2815         encoded space.
2816
2817 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2818
2819         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
2820         Change the call of gbb_loop_at_index and/or gbb_loop_index due
2821         to the redefinition.
2822         (compute_cloog_iv_types_1): ditto.
2823         (build_iv_mapping): ditto.
2824         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
2825         initialization.
2826         (free_gimple_bb): Removed GBB_LOOPS related free part.
2827         (build_bb_loops): Removed.
2828         * sese.h (struct gimple_bb): Removed loops.
2829         (GBB_LOOPS): Removed.
2830         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
2831         (gbb_loop_index): ditto.
2832
2833 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2834
2835         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
2836         allow non constant strides.
2837         * testsuite/gcc.dg/graphite/scop-20.c: New.
2838
2839 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2840
2841         * graphite-scop-detection.c (dot_all_scops): Fix system call
2842         return value warning.
2843         (dot_scop): Same.
2844
2845 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2846
2847         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2848         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2849
2850 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2851
2852         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2853         build_pairwise_constraint, dr_equality_constraints,
2854         build_pairwise_scheduling_equality,
2855         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2856         build_lexicographically_gt_constraint, dependence_polyhedron,
2857         graphite_legal_transform_dr, graphite_legal_transform_bb,
2858         graphite_legal_transform): New.
2859         * graphite-poly.h (graphite_legal_transform): Declared.
2860         * graphite-sese-to-poly.c (build_poly_scop): Call to
2861         graphite_legal_transform is disabled for the moment.
2862
2863 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2864
2865         * graphite-poly.h (pbb_nb_scattering_dims): New.
2866         (pbb_nb_scattering): Use it.
2867
2868 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2869
2870         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2871         Pointset_Powerset version of ppl_insert_dimensions.
2872         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2873
2874 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2875
2876         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2877
2878 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2879
2880         * graphite-poly.h: Fix comment.
2881
2882 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2883
2884         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2885
2886 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2887
2888         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2889         statements.
2890
2891 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2892
2893         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2894         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2895         conditions.
2896
2897 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2898
2899         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2900         handle EQ_EXPR and NE_EXPR.
2901
2902 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2903
2904         * graphite-poly.h (poly_dr): Fix comment.
2905
2906 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2907             Tobias Grosser  <grosser@fim.uni-passau.de>
2908
2909         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2910         with a zero dimension polyhedron.
2911         (find_scop_parameters): Move the call to scop_set_nb_params here.
2912         (build_loop_iteration_domains): Store in loop->aux the iteration
2913         domain polyhedron.
2914         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2915         by any loop in scop.
2916         (build_poly_scop): Do not call scop_set_nb_params.
2917
2918 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2919             Tobias Grosser  <grosser@fim.uni-passau.de>
2920
2921         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2922         add_condition_to_domain not GT_EXPR.
2923
2924 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2925
2926         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2927         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2928         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2929         upper_bound_assign to calculate unions.
2930         * testsuite/gcc.dg/graphite/id-6.c: New.
2931
2932 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2933
2934         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2935         handle abnormal edges.
2936
2937 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2938
2939         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2940         (free_poly_bb): Also free poly_drs.
2941         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2942         (poly_dr): Polyhedron to Pointset_Powerset.
2943         (pdr_accessp_nb_subscripts): Same.
2944         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2945         poly_drs.
2946
2947 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2948
2949         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2950         names into more meaningful names.
2951
2952 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2953
2954         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2955         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2956
2957 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2958
2959         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2960         the reduction_list.
2961         * tree-parloops.c (rewrite_phi_with_iv): New.
2962         (rewrite_all_phi_nodes_with_iv): New.
2963         (canonicalize_loop_ivs): Call them.
2964
2965 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2966
2967         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2968         graphite_find_data_references_in_stmt.
2969         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2970         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2971
2972 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2973
2974         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2975
2976 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2977
2978         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2979         instead of bb_in_region.
2980         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2981         (build_sese_conditions): Use flag_bb_in_sese.
2982         * sese.c (register_bb_in_sese): Removed.
2983         (new_sese): Remove initialization of SESE_REGION_BBS.
2984         (free_sese): Do not free SESE_REGION_BBS.
2985         * sese.h (struct sese): Remove field region_basic_blocks.
2986         (SESE_REGION_BBS): Removed.
2987         (bb_in_sese_p): Implement in function of bb_in_region.
2988
2989 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2990
2991         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2992         loops.
2993
2994 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2995
2996         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2997         and EQ_EXPR.
2998         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2999         (add_condition_to_domain): New.
3000         (add_condition_to_pbb): New.
3001         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
3002         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
3003
3004 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3005
3006         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
3007         ppl_Pointset_Powerset.
3008         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
3009         * graphite-poly.h (poly_bb): poly_bb.domain Same.
3010         (pbb_nb_loops): Same.
3011         * graphite-sese-to-poly.c (build_loop_iteration_domains,
3012         add_conditions_to_domain): Same.
3013         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
3014         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
3015         ppl_const_Polyhedron_t.
3016         (ppl_print_powerset_matrix): New.
3017         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
3018         ppl_print_powerset_matrix): New.
3019         (ppl_print_polyhedron_matrix): Updated.
3020
3021 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3022
3023         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
3024
3025 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3026
3027         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
3028         (print_iteration_domains, debug_iteration_domain,
3029         debug_iteration_domains): New.
3030         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
3031         debug_iteration_domains): Declared.
3032         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
3033         indenting.
3034
3035 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3036             Sebastian Pop  <sebastian.pop@amd.com>
3037
3038         * graphite-poly.h (print_iteration_domain): New.
3039         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
3040         (build_sese_conditions_1, build_sese_conditions_after,
3041         build_sese_conditions_before): New.
3042         (build_sese_conditions): Rewritten.
3043
3044 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3045             Tobias Grosser  <grosser@fim.uni-passau.de>
3046
3047         Cleanup of code generation liveouts.
3048         * graphite-clast-to-gimple.c (translate_clast): Use a single
3049         rename_map instead of one per translated statement.
3050         Do not use SESE_LIVEOUT_RENAMES.
3051         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
3052         (gloog): Do not use SESE_LIVEOUT_RENAMES.
3053         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
3054         phi node of a reduction: when a loop contains a reduction used outside
3055         the loop, there should be a scalar close phi node on the exit block.
3056         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
3057         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
3058         (free_sese): Do not free them.
3059         (sese_build_liveouts_use): Do not use them.
3060         (sese_build_liveouts_bb): Same.
3061         (sese_build_liveouts): Same.
3062         (sese_insert_phis_for_liveouts): Same.
3063         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
3064         (defined_in_loop_p): New.
3065         (alive_after_loop): New.
3066         (close_phi_not_yet_inserted_p): New.
3067         (struct alep, alep_p): New.
3068         (add_loop_exit_phis): Remove from the rename_map all the names defined
3069         in the code generated loop.
3070         (insert_loop_close_phis): Traverse the rename_map passed to it.
3071         Don't use SESE_LIVEOUT_RENAMES.
3072         (default_liveout_before_guard): Renamed default_before_guard.
3073         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
3074         (graphite_copy_stmts_from_block): Do not directly call set_rename.
3075         (register_sese_liveout_renames): Removed.
3076         (copy_bb_and_scalar_dependences): Do not call it.
3077         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
3078         reduction_list.
3079         (SESE_LIVEOUT): Removed.
3080         (SESE_LIVEOUT_RENAMES): Removed.
3081         (SESE_REDUCTION_LIST): Removed.
3082         (sese_build_liveouts): Removed.
3083         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
3084         (insert_loop_close_phis): Pass a htab_t instead of a sese.
3085         (insert_guard_phis): Same.
3086         (rename_map_elt): Declare a VEC of them.
3087         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3088         trees not pointers to trees.
3089
3090         Rewrite in canonical close SSA form:
3091         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
3092         (limit_scops): Close the scop after the block containing the close phi
3093         nodes.
3094         (canonicalize_loop_closed_ssa): New.
3095         (canonicalize_loop_closed_ssa_form): New.
3096         (build_scops): Call canonicalize_loop_closed_ssa_form.
3097
3098         * graphite-sese-to-poly.c: Fix typos.
3099
3100 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3101
3102         * graphite-poly.c (print_scattering_function, print_pbb_domain):
3103         Extended.
3104         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
3105         (print_pbb): Add conditions.
3106
3107 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3108             Sebastian Pop  <sebastian.pop@amd.com>
3109
3110         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
3111         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
3112         (build_scop_bbs_1): New.
3113         (build_scop_bbs): Rewrite.
3114         * sese.h (bb_in_region): New.
3115
3116 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3117
3118         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3119         poly_drs vector.
3120         (print_scop): Style.
3121         * graphite-poly.h (poly_bb): Add drs vector.
3122         (PBB_DRS): Add accessor.
3123         * graphite-sese-to-poly.c (build_poly_dr): New.
3124         (build_pbb_drs, build_scop_drs): New.
3125         (build_poly_scop): call build_scop_drs (Disabled at the moment).
3126
3127 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3128
3129         * tree-ssa-loop.c: Include forgotten toplev.h
3130
3131 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3132
3133         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
3134         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
3135         * testsuite/gcc.dg/graphite/pr37928.c: Same
3136         * testsuite/gcc.dg/graphite/pr38409.c: Same
3137         * testsuite/gcc.dg/graphite/pr38498.c: Same
3138         * testsuite/gcc.dg/graphite/pr38559.c: Same
3139         * testsuite/gcc.dg/graphite/pr39335.c: Same
3140         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
3141         * testsuite/gfortran.dg/graphite/block-2.f: Same
3142         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
3143         with -floop-*.
3144
3145 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
3146
3147         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
3148         build_access_matrix, build_scop_data_accesses): Remove access function
3149         building. (We get a new version soon).
3150         (build_bb_loops, scan_tree_for_params_right_scev): Update.
3151         * sese.h (nb_loops_around_loop_in_sese): Remove.
3152         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
3153
3154 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
3155             Sebastian Pop  <sebastian.pop@amd.com>
3156
3157         * graphite-scop-detection.c (struct scopdet_info): Rename last
3158         field to exit.
3159         (scopdet_basic_block_info, build_scops_1): Don't use
3160         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
3161
3162 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
3163             Sebastian Pop  <sebastian.pop@amd.com>
3164
3165         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
3166         * sese.c (sese_build_liveouts_use): Renamed from
3167         sese_build_livein_liveouts_use. Remove liveins.
3168         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
3169         Call sese_build_liveouts_use.
3170         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
3171         Call sese_build_liveouts_bb.
3172         (new_sese, free_sese): Remove liveins.
3173         (sese_add_exit_phis_var): Deleted.
3174         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
3175         directly.
3176         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
3177
3178         * sese.h (sese): Remove num_ver and livein.
3179         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
3180
3181 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3182
3183         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
3184
3185 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3186
3187         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
3188         (build_scop_scattering): Do not use compare_prefix_loops any more.
3189         (nb_common_loops): New.
3190
3191 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3192
3193         * sese.c (get_new_name_from_old_name): Renamed get_rename.
3194         (register_old_and_new_names): Renamed set_rename.
3195
3196 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3197
3198         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
3199         of the decl from the previous commit.
3200
3201 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3202
3203         * graphite-scop-detection.c (dot_scop): New.
3204         * graphite-scop-detection.h (dot_scop): Declared.
3205
3206 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3207
3208         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
3209
3210 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3211
3212         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
3213         condition at the end of the loop.
3214         * graphite.c (graphite_initialize, graphite_finalize): Print to
3215         dump_file the compiled function.
3216         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
3217         of create_empty_loop_on_edge.
3218         (translate_clast): Update the code generation of loops for the new
3219         shape of loops.
3220         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
3221
3222 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3223
3224         Reverted the patch from 2009-03-19.
3225
3226 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3227
3228         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3229         poly_drs vector.
3230         (print_scop): Style.
3231         * graphite-poly.h (poly_bb): Add drs vector.
3232         (PBB_DRS): Add accessor.
3233         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
3234         (build_access_matrix_with_af, build_access_matrix,
3235         build_scop_data_accesses): Delete.
3236         (build_poly_dr): New.
3237         (build_pbb_drs, build_scop_drs): New.
3238         (build_poly_scop): call build_scop_drs.
3239
3240 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3241
3242         * graphite-scop-detection.c (dot_all_scops_1): Close the table
3243         once per basic block.
3244
3245 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3246
3247         * graphite-scop-detection.c (graphite_can_represent_scev): New.
3248         (graphite_can_represent_expr): Renamed from loop_affine_expr
3249         and enhanced.
3250         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
3251         (graphite_cannot_represent_loop): Add scop_entry to parameters.
3252         (scopdet_basic_block_info): Actually define entry_block.
3253         (stmt_simple_memref_p): Moved here from ...
3254
3255         * tree-data-ref.c (stmt_simple_memref_p): here.
3256         * tree-data-ref.h (stmt_simple_memref_p): Removed.
3257
3258 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3259
3260         * testsuite/gcc.dg/graphite/id-4.c: New.
3261
3262 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3263
3264         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3265         (register_old_and_new_names): Update the content of the map.
3266         When there was already a rename_map_elt in the map at that
3267         location, free it.
3268         (copy_bb_and_scalar_dependences): Do rename_variables after
3269         expand_scalar_variables.
3270         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3271         of the map.  When there was already a rename_map_elt in the
3272         map at that location, free it.
3273         (translate_clast): Pass the rename_map.  Do not initialize and free
3274         a rename_map per stmt_user.
3275         (gloog): Initialize and free one rename_map and pass it to
3276         translate_clast.
3277
3278 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3279
3280         * sese.c (expand_scalar_variables_stmt,
3281         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
3282         parameter.
3283         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
3284         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
3285         the gimple_stmt_iterator of the statement to be expanded.
3286         * graphite-scop-detection.c (is_simple_operand): Do handle
3287         REALPART_EXPR.
3288
3289 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3290
3291         * graphite-scop-detection.c (is_simple_operand): Do not handle
3292         REALPART_EXPR.
3293         * testsuite/gcc.dg/graphite/id-2.c: New.
3294
3295         * graphite-sese-to-poly.c (build_bb_loops,
3296         add_value_to_dim, scan_tree_for_params_right_scev,
3297         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
3298         find_params_in_bb, build_loop_iteration_domains,
3299         add_conditions_to_domain): Remove subtract.
3300
3301 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3302
3303         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
3304         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
3305         pbb_loop_at_index -> gbb_loop_at_index.
3306         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
3307         (debug_loop_vec): Delete.
3308         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
3309         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
3310         (PBB_LOOPS): Removed.
3311         (PBB_BLACK_BOX): Insert cast.
3312         (pbb_set_black_box): New setter.
3313         (pbb_loop_at_index, pbb_loop_index): Removed.
3314         (scop_set_region, scop_set_nb_params): New.
3315         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
3316         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
3317         (build_poly_scop): Use scop_set_nb_params.
3318         * sese.h (gimple_bb): Add LOOPS.
3319         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
3320
3321 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3322
3323         Revert previous commit.
3324
3325 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3326
3327         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3328         (register_old_and_new_names): Update the content of the map.
3329         When there was already a rename_map_elt in the map at that
3330         location, free it.
3331         (copy_bb_and_scalar_dependences): Do rename_variables after
3332         expand_scalar_variables.
3333         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3334         of the map.  When there was already a rename_map_elt in the
3335         map at that location, free it.
3336         (translate_clast): Pass the rename_map.  Do not initialize and free
3337         a rename_map per stmt_user.
3338         (gloog): Initialize and free one rename_map and pass it to
3339         translate_clast.
3340
3341 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3342
3343         Remove forgotten line in revert.
3344
3345 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3346
3347         Revert previous commit.
3348
3349 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3350
3351         * sese.c (register_old_and_new_names): Update the content
3352         of the map.  When there was already a rename_map_elt in the
3353         map at that location, free it.
3354         (copy_bb_and_scalar_dependences): Do rename_variables after
3355         expand_scalar_variables.
3356         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3357         of the map.  When there was already a rename_map_elt in the
3358         map at that location, free it.
3359         (translate_clast): Pass the rename_map.  Do not initialize and free
3360         a rename_map per stmt_user.
3361         (gloog): Initialize and free one rename_map and pass it to
3362         translate_clast.
3363
3364 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3365
3366         * graphite-clast-to-gimple.c (translate_clast): context_loop
3367         is never NULL.
3368
3369 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3370             Sebastian Pop  <sebastian.pop@amd.com>
3371
3372         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
3373         of the use of ppl_Polyhedron_map_space_dimensions.
3374
3375 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3376             Sebastian Pop  <sebastian.pop@amd.com>
3377
3378         * graphite-poly.c (unify_scattering_dimensions): Fix types.
3379         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
3380         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
3381         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
3382         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
3383         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
3384         pbb_nb_params): New.
3385         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
3386         nb_loops_around_pbb): Adapt return types.
3387
3388 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3389
3390         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3391         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3392         graphite-scop-detection.o, graphite-poly.o): Add
3393         more headers.
3394
3395 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3396
3397         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3398         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3399         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
3400
3401 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3402
3403         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
3404         * testsuite/gcc.dg/graphite/pr37828.c: Same.
3405         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3406         * testsuite/gcc.dg/graphite/block-0.c: Same.
3407         * testsuite/gcc.dg/graphite/block-1.c: Same.
3408         * testsuite/gcc.dg/graphite/block-2.c: Same.
3409         * testsuite/gcc.dg/graphite/block-3.c: Same.
3410         * testsuite/gcc.dg/graphite/block-4.c: Same.
3411         * testsuite/gcc.dg/graphite/block-5.c: Same.
3412         * testsuite/gcc.dg/graphite/block-6.c: Same.
3413         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
3414         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3415         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
3416         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
3417         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
3418         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
3419         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
3420         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
3421         * opts.c: Remove -floop-block from -O2.
3422         * graphite-poly.c: Fail if -floop-block -floop-interchange or
3423         -floop-strip-mine are used.
3424
3425 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3426             Sebastian Pop  <sebastian.pop@amd.com>
3427
3428         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
3429         dimensions.
3430         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
3431         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
3432         strip_mine_profitable_p, is_interchange_valid,
3433         graphite_trans_bb_block, graphite_trans_loop_block,
3434         graphite_trans_scop_block): Temporary removed.
3435         (extend_scattering, unify_scattering_dimensions): New.
3436         (print_scattering_function, graphite_read_transforms):
3437         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3438         (graphite_generate_scattering_fns): Removed.
3439         (apply_poly_transforms): Cleanup.
3440         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3441         (schedule_to_scattering): Moved.
3442         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
3443         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
3444         (pbb_nb_scattering): New.
3445         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3446         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
3447         Removed.
3448         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
3449         shift_poly.
3450         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3451         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
3452         -> PBB_TRANSFORMED_SCATTERING.
3453         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
3454         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
3455         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
3456         (check_poly_representation): Do not return bool.
3457         (graphite_transform_loops): Reformat.
3458         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
3459
3460 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
3461
3462         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
3463         debug_pbb_domain, debug_pbb, debug_scop): New.
3464         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
3465         debug_pbb_domain, debug_pbb, debug_scop): Declared.
3466
3467 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3468
3469         PR middle-end/39335
3470         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3471         when the type precision of the induction variable should be
3472         larger than the type precision of nit.
3473         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3474         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
3475         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3476
3477         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
3478         * testsuite/gcc.dg/graphite/pr39335.c: New.
3479
3480 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3481
3482         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3483         SSA_NAMES not struct reduction_info.
3484
3485 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3486
3487         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
3488
3489 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3490             Tobias Grosser  <grosser@fim.uni-passau.de>
3491
3492         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
3493         (free_sese): Free SESE_REDUCTION_LIST.
3494         * sese.h (struct sese): Add field reduction_list.
3495         (SESE_REDUCTION_LIST): New.
3496         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
3497         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
3498
3499 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3500             Tobias Grosser  <grosser@fim.uni-passau.de>
3501
3502         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
3503         of loop_p.
3504
3505 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3506             Tobias Grosser  <grosser@fim.uni-passau.de>
3507
3508         * tree-parloops.c (struct brli, build_reduction_list_info,
3509         analyze_reduction_list, gather_scalar_reductions): New.
3510         (loop_parallel_p): Build a reduction list containing only
3511         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
3512         (gen_parallel_loop): Call the analysis analyze_reduction_list.
3513         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
3514         * tree-flow.h (gather_scalar_reductions): Declared.
3515
3516 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
3517
3518         PR middle-end/39308
3519         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
3520         number_of_iterations_exit from a gcc_assert.
3521
3522 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
3523             Jan Sjodin  <jan.sjodin@amd.com>
3524
3525         * output.h (graphite_out_file, graphite_in_file): Declared.
3526         * toplev.c (graphite_out_file, graphite_in_file): New.
3527         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
3528         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
3529         Don't call schedule_to_scattering.
3530         * common.opt (fgraphite-write, fgraphite-read): New.
3531         * graphite-poly.c: Include output.h.
3532         (print_scattering_function, print_scattering_functions,
3533         debug_scattering_function, debug_scattering_functions,
3534         graphite_write_transforms, graphite_read_transforms,
3535         graphite_generate_scattering_fns): New.
3536         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
3537         Call graphite_generate_scattering_fns, graphite_write_transforms,
3538         graphite_read_transforms.
3539         (new_poly_bb): Initialize PBB_SCATTERING.
3540         (free_poly_bb): Free PBB_SCATTERING.
3541         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
3542         * graphite-poly.h (struct poly_bb): Add field scattering.
3543         (PBB_SCATTERING): New.
3544         (print_scattering_function, print_scattering_functions,
3545         debug_scattering_function, debug_scattering_functions): Declared.
3546         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
3547         GMP values, not integers!
3548         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
3549         ppl_read_polyhedron_matrix): New.
3550         * graphite-ppl.h (ppl_print_polyhedron_matrix,
3551         debug_ppl_polyhedron_matrix,
3552         ppl_read_polyhedron_matrix): Declared.
3553         * Makefile.in (graphite-poly.o): Depends on output.h.
3554
3555 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3556             Tobias Grosser  <grosser@fim.uni-passau.de>
3557
3558         Revert this change:
3559         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3560         scalar evolutions in the scop_entry->loop_father.
3561
3562 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3563             Tobias Grosser  <grosser@fim.uni-passau.de>
3564
3565         * graphite.h (ref_nb_loops): Remove declaration.
3566         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
3567         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
3568         debug_gbb): Moved to sese.h.
3569         * sese.h: As said.
3570
3571 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3572             Tobias Grosser  <grosser@fim.uni-passau.de>
3573
3574         * graphite-data-ref.[ch]: Disable.
3575
3576 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3577             Tobias Grosser  <grosser@fim.uni-passau.de>
3578
3579         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3580         scalar evolutions in the scop_entry->loop_father.
3581
3582 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3583
3584         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
3585         (graphite_cannot_represent_loop_niter): Renamed
3586         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
3587         (limit_scops): build_sese_loop_nests does not return a bool.
3588         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
3589         * sese.c (nb_reductions_in_loop): ... from here.
3590         (graphite_loop_normal_form): ... from here.
3591         (sese_record_loop): Does not fail, so does not return a bool.
3592         (build_sese_loop_nests): Same.
3593         * sese.h (build_sese_loop_nests): Update declaration.
3594         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
3595         (build_graphite_loop_normal_form): New.
3596         (gloog): Call build_graphite_loop_normal_form.
3597         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
3598         build_sese_loop_nests.
3599
3600         * testsuite/gcc.dg/graphite/id-1.c: New.
3601
3602 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3603             Tobias Grosser  <grosser@fim.uni-passau.de>
3604
3605         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
3606         The SCoP detection fix is sufficient.
3607
3608 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3609
3610         PR tree-optimization/39260
3611         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
3612         the basic block contains a condition with a real type.
3613         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
3614
3615         * gcc.dg/graphite/pr39260.c: New.
3616
3617 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3618
3619         * graphite-poly.c: Inlcude params.h.
3620         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
3621         the size of a tile.
3622         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
3623         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
3624
3625 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3626             Tobias Grosser  <grosser@fim.uni-passau.de>
3627
3628         * graphite-scop-detection.c (dot_all_scops_1,
3629         dot_all_scops): Moved here.
3630         * graphite-scop-detection.h (dot_all_scops): Declared here.
3631         * graphite.c (graphite_initialize, graphite_finalize): New.
3632         (graphite_transform_loops): Cleaned up.
3633         * sese.c (debug_oldivs): Moved here.
3634         * graphite-poly.c (graphite_apply_transformations): Renamed
3635         apply_poly_transforms.
3636         (debug_loop_vec): Moved here.
3637         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
3638         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
3639         find_scop_parameters, build_scop_iteration_domain,
3640         add_conditions_to_constraints, build_scop_canonical_schedules,
3641         build_scop_data_accesses): Now static.
3642         (build_poly_scop, check_poly_representation): New.
3643
3644 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3645
3646         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
3647         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
3648         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
3649         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
3650         scan_tree_for_params_right_scev, scan_tree_for_params_int,
3651         scan_tree_for_params, struct irp_data, dx_record_params,
3652         find_params_in_bb, find_scop_parameters, gbb_from_bb,
3653         build_loop_iteration_domains, add_conditions_to_domain,
3654         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
3655         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
3656         build_sese_conditions, add_conditions_to_constraints,
3657         build_scop_iteration_domain, build_access_matrix_with_af,
3658         build_access_matrix,
3659         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
3660
3661         * graphite-sese-to-poly.c: New.
3662         * graphite-sese-to-poly.h: New.
3663
3664         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
3665
3666 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3667
3668         * graphite.c: Split graphite code generation to a new file.
3669         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
3670         max_precision_type, clast_to_gcc_expression_red,
3671         clast_to_gcc_expression, gcc_type_for_clast_expr,
3672         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
3673         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
3674         graphite_create_new_guard, clast_get_body_of_loop,
3675         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
3676         graphite_create_new_loop, build_iv_mapping, copy_renames,
3677         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3678         compute_cloog_iv_types, free_scattering, save_var_name,
3679         initialize_cloog_names, build_scop_context, build_cloog_prog,
3680         set_cloog_options, debug_clast_stmt, scop_to_clast,
3681         print_generated_program, debug_generated_program,
3682         gloog): Moved to graphite-clast-to-gimple.c.
3683
3684         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
3685
3686         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
3687         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
3688         loop_iv_stack_pop, loop_iv_stack_get_iv,
3689         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
3690         free_loop_iv_stack, loop_iv_stack_remove_constants,
3691         debug_rename_elt, debug_rename_map_1, debug_rename_map,
3692         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
3693         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
3694         eq_ivtype_map_elts, sese_add_exit_phis_edge,
3695         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
3696         get_vdef_before_sese, sese_adjust_vphi,
3697         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
3698         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
3699         is_iv, expand_scalar_variables_ssa_name,
3700         expand_scalar_variables_expr, expand_scalar_variables_stmt,
3701         expand_scalar_variables, rename_variables, remove_condition,
3702         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
3703         add_loop_exit_phis, insert_loop_close_phis, struct igp,
3704         default_liveout_before_guard, add_guard_exit_phis,
3705         insert_guard_phis, register_old_and_new_names,
3706         graphite_copy_stmts_from_block, register_sese_liveout_renames,
3707         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
3708         if_region_set_false_region, create_if_region_on_edge,
3709         move_sese_in_condition): Moved to sese.c.
3710
3711         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
3712         if_region_exit, if_region_get_condition_block,
3713         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
3714         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
3715         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
3716         ivtype_map_elt, new_ivtype_map_elt,
3717         recompute_all_dominators): Moved to sese.h.
3718
3719         * graphite-clast-to-gimple.c: New.
3720         * graphite-clast-to-gimple.h: New.
3721         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
3722         * sese.c: Modified as said above.
3723         * sese.h: Same.
3724
3725 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3726
3727         * graphite.c: Split scop detection to a new file.
3728         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
3729         move_sd_regions, loop_affine_expr, exclude_component_ref,
3730         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
3731         graphite_cannot_represent_loop_niter, struct scopdet_info,
3732         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
3733         find_single_entry_edge, find_single_exit_edge,
3734         create_single_entry_edge, sd_region_without_exit,
3735         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
3736         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
3737         Moved to graphite-scop-detection.c.
3738
3739         * graphite-scop-detection.c: New.
3740         * graphite-scop-detection.h: New.
3741         * Makefile.in: Add new rule for graphite-scop-detection.o.
3742
3743         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
3744         tree-scalar-evolution.h.
3745         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
3746         build_sese_loop_nests): Moved here from graphite.c.
3747         (param_index): Renamed parameter_index_in_region.
3748
3749 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3750             Sebastian Pop  <sebastian.pop@amd.com>
3751
3752         * gcc.dg/graphite/block-0.c: Expected to fail now.
3753         * gcc.dg/graphite/block-1.c: Same.
3754         * gcc.dg/graphite/block-5.c: Same.
3755         * gcc.dg/graphite/block-6.c: Same.
3756
3757 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3758             Sebastian Pop  <sebastian.pop@amd.com>
3759
3760         * graphite.h: Separate from graphite_bb_p the polyhedral
3761         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
3762         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
3763         graphite-data-ref.h.
3764         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
3765         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
3766         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
3767         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3768         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
3769         scop_nb_params): Moved to graphite-poly.h.
3770         * graphite-data-ref.c: Same.
3771         * graphite-data-ref.h: New.
3772         * graphite.c: Same.
3773         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
3774         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
3775         is_interchange_valid, graphite_trans_bb_block,
3776         graphite_trans_loop_block, scop_max_loop_depth,
3777         graphite_trans_scop_block, graphite_apply_transformations,
3778         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
3779         graphite-poly.c.
3780         * graphite-poly.h: New.
3781         * graphite-poly.c: New.
3782         * Makefile.in (OBJS-common): Add graphite-poly.o.
3783         (graphite-poly.o): New rule.
3784         * tree-data-ref.h (struct data_reference): Remove unused scop field.
3785         (DR_SCOP): Removed.
3786
3787 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3788             Tobias Grosser  <grosser@fim.uni-passau.de>
3789
3790         * graphite.c: Replace gb -> gbb.
3791         * graphite.h: Same.
3792         * graphite-data-ref.c: Same.
3793
3794 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3795             Tobias Grosser  <grosser@fim.uni-passau.de>
3796
3797         * Makefile.in (OBJS-commmon): Add sese.o.
3798         (sese.o): New.
3799         (graphite.o): Add sese.h.
3800         * graphite.c (bb_in_ss_p, loop_in_sese_p,
3801         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
3802         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
3803         Move to sese.
3804         (block_before_scop): Add missing return.
3805         (new_scop, free_scop): Remove SESE data structures.
3806         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
3807         find_scop_parameters, build_loop_iteration_domains,
3808         add_conditions_to_domain, register_scop_liveout_renames,
3809         copy_bb_and_scalar_dependences): Scop -> SESE.
3810
3811         (add_conditions_to_domain): SCoP -> SESE and remove check
3812         (scop_contains_non_iv_scalar_phi_nodes): New.
3813         (build_scop_conditions_1, build_scop_conditions): Remove check for
3814         non iv scalar phi nodes.
3815         (print_scop_statistics): New.
3816         (graphite_transform_loops): Cleanup.
3817
3818         * graphite.h: Move to sese & cleanup.
3819         * sese.c: New.
3820         * sese.h: New.
3821
3822 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3823             Tobias Grosser  <grosser@fim.uni-passau.de>
3824
3825         * graphite.c (build_scop_conditions_1): Conditions are only
3826         at the end of a basic block.
3827
3828 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3829             Tobias Grosser  <grosser@fim.uni-passau>
3830
3831         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
3832         field.
3833         (GBB_ALPHA): Removed.
3834
3835 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3836             Tobias Grosser  <grosser@fim.uni-passau.de>
3837
3838         * graphite-data-ref.c (graphite_test_dependence): Don't use
3839         GBB_DYNAMIC_SCHEDULE.
3840         * graphite.c (new_graphite_bb): Same.
3841         (free_graphite_bb): Same.
3842         (build_scop_dynamic_schedules): Removed.
3843         (graphite_transform_loops): Don't call it.
3844         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
3845         (GBB_DYNAMIC_SCHEDULE): Removed.
3846
3847 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3848             Tobias Grosser  <grosser@fim.uni-passau.de>
3849
3850         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3851         (print_graphite_bb): Same.
3852         (build_cloog_prog): Same.
3853
3854 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3855             Tobias Grosser  <grosser@fim.uni-passau.de>
3856
3857         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3858
3859 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3860             Tobias Grosser  <grosser@fim.uni-passau.de>
3861
3862         * graphite.c (build_scop_context): Don't use CloogMatrix.
3863         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3864         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3865
3866 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3867             Tobias Grosser  <grosser@fim.uni-passau.de>
3868
3869         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3870         liveout_renames, add_params fields...
3871         (struct sese): ... here.
3872         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3873         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3874
3875 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3876             Tobias Grosser  <grosser@fim.uni-passau.de>
3877
3878         * graphite.c (print_scop): Do not print the CLooG program.
3879         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3880         build_cloog_prog, gloog): Don't use SCOP_PROG.
3881         (find_transform): Renamed scop_to_clast.
3882         (print_generated_program, debug_generated_program): New.
3883         (graphite_transform_loops): Adapt to new interface.
3884         * graphite.h (struct scop): Remove program field.
3885         (SCOP_PROG): Removed.
3886         (print_generated_program, debug_generated_program): Declared.
3887
3888 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3889
3890         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3891         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3892         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3893         free_graphite_bb, build_scop_canonical_schedules,
3894         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3895         schedules are now represented using a ppl_Linear_Expression_t.
3896         * graphite.h (struct graphite_bb): Same.
3897         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3898         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3899
3900 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3901
3902         * graphite.c: Free local memory.
3903         * graphite-ppl.c: Same.
3904
3905 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3906
3907         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3908         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3909         swap_constraint_variables, scale_constraint_variable): Removed.
3910         (graphite_trans_bb_strip_mine): Remove pong.
3911         * graphite-ppl.c: Include missing header files.
3912         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3913         * graphite-ppl.h (ppl_strip_loop): Declared.
3914         * Makefile.in (graphite-ppl.o): Adjust dependences.
3915
3916 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3917
3918         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3919         (build_scop_iteration_domain): Same.
3920
3921 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3922
3923         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3924         ping pong.
3925         (add_value_to_dim, scan_tree_for_params_right_scev,
3926         scan_tree_for_params_int): New.
3927         * graphite-ppl.c (oppose_constraint): New.
3928         (insert_constraint_into_matrix): Implement missing cases.
3929         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3930
3931 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3932
3933         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3934         use ppl_move_dimension.
3935
3936 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3937
3938         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3939         * graphite.c: Same.
3940         * graphite.h: Same.
3941         * graphite-ppl.c: Same.
3942         * graphite-ppl.h: Same.
3943
3944 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3945
3946         Revert last 3 commits.
3947
3948 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3949
3950         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3951         ping pong.
3952         (add_value_to_dim, scan_tree_for_params_right_scev,
3953         scan_tree_for_params_int): New.
3954         * graphite-ppl.c (oppose_constraint): New.
3955         (insert_constraint_into_matrix): Implement missing cases.
3956         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3957
3958 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3959
3960         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3961
3962 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3963             Tobias Grosser  <grosser@fim.uni-passau.de>
3964
3965         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3966         use ppl_move_dimension.
3967         * graphite-ppl.c (ppl_move_dimension): New.
3968         * graphite-ppl.h (ppl_move_dimension): Declared.
3969
3970 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3971
3972         * graphite.c: Do not include cloog/cloog.h.
3973         (print_graphite_bb): Remove ping pong, call PPL print function.
3974
3975 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3976
3977         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3978         (graphite.o): Add dependence on graphite-ppl.h.
3979         (graphite-ppl.o): New.
3980         (graphite-data-ref.c): Ping pong between PPL data structures
3981         and matrices.
3982         * graphite-ppl.c: New.
3983         * graphite-ppl.h: New.
3984         * graphite.c: Include graphite-ppl.h.
3985         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3986         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3987         Ping pong between PPL data structures and matrices.
3988         (new_graphite_bb): Create a PPL constraint system.
3989         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3990         (build_loop_iteration_domains): Use PPL functions.
3991         * graphite.h: Include graphite-ppl.h.  Fix comments.
3992         (graphite_bb): Use a ppl_Constraint_System_t instead of
3993         CloogMatrix for representing the domain.
3994         (scop): Remove static_schedule.
3995         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3996
3997 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3998
3999         * graphite.c: Fix some comments.
4000
4001 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
4002
4003         PR middle-end/38953
4004         * graphite.c (if_region_set_false_region): After moving a region
4005         in the false branch of a condition, remove the empty dummy
4006         basic block.
4007         (gloog): Remove wrong fix for PR38953.
4008
4009 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4010
4011         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4012         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4013         register_bb_in_sese, new_sese, free_sese): Moved.
4014         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4015         outermost_loop_in_scop, build_scop_iteration_domain,
4016         expand_scalar_variables_ssa_name, get_vdef_before_scop,
4017         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4018         Use loop_in_sese_p instead of loop_in_scop_p.
4019         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
4020         (free_scop): Do not free SCOP_BBS_B.
4021         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
4022         ref_nb_loops): Moved here...
4023         * graphite.h (ref_nb_loops): ... from here.
4024         (struct scop): Remove bbs_b bitmap.
4025         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4026         * testsuite/gcc.dg/graphite/scop-19.c: New
4027
4028 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4029
4030         * graphite.c (scopdet_basic_block_info): Fix bug in scop
4031         detection.
4032
4033 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4034
4035         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4036         eq_loop_to_cloog_loop): Remove.
4037         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
4038         * graphite.h (struct scop): Remove loop2cloog_loop.
4039         (loop_domain_dim, loop_iteration_vector_dim): Remove.
4040
4041 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4042
4043         * opts.c (decode_options): Only add graphite options to O2
4044         if we compile with graphite enabled.
4045
4046 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4047
4048         * Merge from mainline (r143163:143684).
4049
4050 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4051
4052         * graphite.c (debug_value): Removed.
4053         * graphite.h (debug_value): Removed.
4054
4055 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4056
4057         * passes.c (init_optimization_passes): Do not call pass_copy_prop
4058         after graphite: pass_copy_prop does not maintain a proper loop closed
4059         SSA form.  pass_copy_prop should be fixed.
4060
4061 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4062
4063         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
4064
4065 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4066
4067         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4068         (gloog): Split the exit of the scop when the scop exit is a loop exit.
4069         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4070         changed the CFG.
4071
4072 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
4073
4074         * graphite.c (gloog): Return true when code gen succeeded.
4075         (graphite_transform_loops): Do not call cleanup_tree_cfg if
4076         the code of the function did not changed.  After cleanup_tree_cfg
4077         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
4078         form.
4079
4080 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
4081
4082         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4083         gimple_call_lhs is NULL.
4084
4085 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4086             Tobias Grosser  <tobi.grosser@amd.com>
4087
4088         * graphite.c (graphite_trans_scop_block): Do not block single
4089         nested loops.
4090
4091 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4092             Tobias Grosser  <tobi.grosser@amd.com>
4093
4094         * graphite.c (build_scop_canonical_schedules): Start schedules at
4095         zero.
4096
4097 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4098             Tobias Grosser  <tobi.grosser@amd.com>
4099
4100         * graphite.c (compare_prefix_loops): New.
4101         (build_scop_canonical_schedules): Rewritten.
4102         (graphite_transform_loops): Move build_scop_canonical_schedules
4103         after build_scop_iteration_domain.
4104
4105 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4106             Tobias Grosser  <tobi.grosser@amd.com>
4107
4108         * graphite.c (add_conditions_to_domain): Add the loops to
4109         the dimension of the iteration domain.  Do copy the domain
4110         only when it exists.
4111         (build_scop_conditions_1): Do not call add_conditions_to_domain.
4112         (add_conditions_to_constraints): New.
4113         (can_generate_code_stmt, can_generate_code): Removed.
4114         (gloog): Do not call can_generate_code.
4115         (graphite_transform_loops): Call add_conditions_to_constraints
4116         after building the iteration domain.
4117
4118 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4119             Tobias Grosser  <tobi.grosser@amd.com>
4120             Jan Sjodin  <jan.sjodin@amd.com>
4121
4122         * graphite.c (scan_tree_for_params): On substractions negate
4123         all the coefficients of the term.
4124         (clast_to_gcc_expression_red): New.  Handle reduction expressions
4125         of more than two operands.
4126         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
4127         (get_vdef_before_scop): Handle also the case of default definitions.
4128
4129 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4130
4131         PR middle-end/38431
4132         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
4133         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
4134         (gloog): Do not call cleanup_tree_cfg.
4135         (graphite_transform_loops): Call cleanup_tree_cfg after all
4136         scops have been code generated.
4137
4138 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4139
4140         * passes.c (init_optimization_passes): Schedule after
4141         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
4142
4143 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4144
4145         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
4146         Fix comment.
4147         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
4148         Set the type of an expression to the type of its assign statement.
4149         (expand_scalar_variables_expr):  Do not pass loop_p.
4150         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
4151         (copy_bb_and_scalar_dependences): Do not pass loop_p.
4152         (translate_clast): Update call to copy_bb_and_scalar_dependences.
4153
4154 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4155
4156         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
4157         an expression to the gimple_expr_type of its assign statement.
4158         (expand_scalar_variables_expr): Stop recursion on tcc_constant
4159         or tcc_declaration.
4160
4161 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4162
4163         PR tree-optimization/38786
4164         * testsuite/gcc.dg/graphite/pr38786.c: New.
4165         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
4166         the SSA_NAME case of expand_scalar_variables_expr.
4167         (expand_scalar_variables_expr): Also gather the scalar computation
4168         used to index the memory access.
4169         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
4170         the gimple_stmt_iterator where it inserts new code.
4171
4172 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4173
4174         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
4175
4176 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4177
4178         * opts.c (decode_options): Enable flag_graphite_identity and
4179         flag_loop_block in -O2 and above.
4180
4181 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4182
4183         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
4184         Fix merge problem: replace with the file from trunk.
4185
4186 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4187
4188         * Merge from mainline (r141727:143163).
4189
4190 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
4191             Jan Sjodin  <jan.sjodin@amd.com>
4192
4193         PR tree-optimization/38559
4194         * testsuite/gcc.dg/graphite/pr38559.c: New.
4195
4196         * graphite.c (debug_value, copy_constraint,
4197         swap_constraint_variables, scale_constraint_variable, ): New.
4198         (get_lower_bound, get_upper_bound): Removed.
4199         (graphite_trans_bb_strip_mine): Clean up this code that works
4200         only for constant number of iterations.  Fully copy upper and
4201         lower bound constraints, not only the constant part of them.
4202         * graphite.h (debug_value): Declared.
4203
4204 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
4205
4206         PR tree-optimization/38492
4207         PR tree-optimization/38498
4208         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4209         * tree-chrec.h (scev_is_linear_expression): Declared.
4210         * graphite.c (graphite_cannot_represent_loop_niter): New.
4211         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4212         (graphite_loop_normal_form): Use gcc_assert.
4213         (scan_tree_for_params): Use CASE_CONVERT.
4214         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4215         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4216         Use gcc_assert.  Discard scops that contain unhandled cases.
4217         (build_scop_conditions): Return a boolean status for unhandled cases.
4218         (strip_mine_profitable_p): Print the loop number, not its depth.
4219         (is_interchange_valid): Pass the depth of the loop nest, don't
4220         recompute it wrongly.
4221         (graphite_trans_bb_block): Same.
4222         (graphite_trans_bb_block): Print tentative of loop blocking.
4223         (graphite_trans_scop_block): Do not print that the loop has been
4224         blocked.
4225         (graphite_transform_loops): Do not handle scops that contain condition
4226         scalar phi nodes.
4227
4228         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
4229         in trunk.
4230         * testsuite/gcc.dg/graphite/block-0.c: Update test.
4231         * testsuite/gcc.dg/graphite/block-1.c: Same.
4232         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
4233         blocking.
4234         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
4235         * testsuite/gcc.dg/graphite/block-3.c: New.
4236         * testsuite/gcc.dg/graphite/pr38498.c: New.
4237
4238 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
4239
4240         PR tree-optimization/38510
4241         * gcc.dg/graphite/pr38510.c: New.
4242         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4243           (translate_clast): Call recompute_all_dominators before
4244           graphite_verify.
4245           (gloog): Call recompute_all_dominators before graphite_verify.
4246
4247 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
4248
4249         PR tree-optimization/38492
4250         * graphite.c (rename_map_elt, debug_rename_elt,
4251         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4252         rename_map_elt_info, eq_rename_map_elts,
4253         get_new_name_from_old_name, bb_in_sese_p): Moved around.
4254         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4255         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4256         (sese_build_livein_liveouts): New.
4257         (new_sese, free_sese): New.
4258         (new_scop): Call new_sese.
4259         (free_scop): Call free_sese.
4260         (rename_variables_from_edge, rename_phis_end_scop): Removed.
4261         (register_old_new_names): Renamed register_old_and_new_names.
4262         (register_scop_liveout_renames, add_loop_exit_phis,
4263         insert_loop_close_phis, struct igp,
4264         default_liveout_before_guard, add_guard_exit_phis,
4265         insert_guard_phis, copy_renames): New.
4266         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4267         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4268         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4269         (scop_adjust_phis_for_liveouts): New.
4270         (gloog): Call scop_adjust_phis_for_liveouts.
4271
4272         * graphite.h (struct sese): Documented.  Added fields liveout,
4273         num_ver and livein.
4274         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4275         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4276         (struct scop): Added field liveout_renames.
4277         (SCOP_LIVEOUT_RENAMES): New.
4278
4279 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4280
4281         PR tree-optimization/38409
4282         * gcc.dg/graphite/pr38409.c: New.
4283         * graphite.c (nb_reductions_in_loop): Use simple_iv.
4284
4285 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4286
4287         * graphite.c (gcc_type_for_cloog_iv): By default return
4288         integer_type_node.
4289         (graphite_create_new_loop): Don't fold_convert the already
4290         fold_convert-ed expression.
4291
4292 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
4293
4294         PR tree-optimization/38446
4295         * gcc.dg/graphite/pr38446.c: New.
4296         * graphite.c (register_bb_in_sese): New.
4297         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
4298         looking at the bbs in the region.
4299         * graphite.h (sese): Add region_basic_blocks pointer set to
4300         structure and initialize at the time of defining new scop.
4301
4302 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4303
4304         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
4305         (find_params_in_bb): Do not free data refs.
4306         (free_graphite_bb): Add FIXME on disabled free_data_refs.
4307
4308 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4309
4310         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
4311         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4312         * testsuite/gcc.dg/graphite/block-5.c: New.
4313         * testsuite/gcc.dg/graphite/block-6.c: New.
4314         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
4315         * testsuite/gcc.dg/graphite/pr37684.c: Same.
4316         * testsuite/gcc.dg/graphite/block-2.c: Same.
4317
4318         * graphite.c (struct ivtype_map_elt): New.
4319         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
4320         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
4321         gcc_type_for_cloog_iv): New.
4322         (loop_iv_stack_patch_for_consts): Use the type of the induction
4323         variable from the original loop, except for the automatically
4324         generated loops, i.e., in the case of a strip-mined loop, in
4325         which case there is no original loop: in that case just use
4326         integer_type_node.
4327         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
4328         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
4329         (clast_name_to_gcc): Accept params to be NULL.
4330         (clast_to_gcc_expression): Take an extra parameter for the type.
4331         Convert to that type all the expressions built by this function.
4332         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
4333         (graphite_translate_clast_equation): Compute the type of the
4334         clast_equation before translating its LHS and RHS.
4335         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
4336         (graphite_create_new_loop): Compute the type of the induction
4337         variable before translating the lower and upper bounds and before
4338         creating the induction variable.
4339         (rename_variables_from_edge, rename_phis_end_scop): New.
4340         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
4341         (sese_add_exit_phis_edge): Do not use integer_zero_node.
4342         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4343         compute_cloog_iv_types): New.
4344         (gloog): Call compute_cloog_iv_types before starting the
4345         translation of the clast.
4346
4347         * graphite.h (struct graphite_bb): New field cloog_iv_types.
4348         (GBB_CLOOG_IV_TYPES): New.
4349         (debug_ivtype_map): Declared.
4350         (oldiv_for_loop): New.
4351
4352 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4353
4354         PR middle-end/38459
4355         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
4356         (param_index): Assert if parameter is not know after parameter
4357         detection.
4358         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
4359         (find_scop_parameters): Mark, that we have finished parameter
4360         detection.
4361         (graphite_transform_loops): Move condition detection before parameter
4362         detection.
4363         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
4364         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
4365
4366 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4367
4368         * graphite.c (graphite_transform_loops): Always call find_transform ()
4369         in ENABLE_CHECKING.  So we test these code paths, even if we do not
4370         generate code.
4371
4372 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4373
4374         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
4375         (print_scop): Ditto.
4376
4377 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4378
4379         PR middle-end/38084
4380         Fix testsuite/gfortran.dg/graphite/id-3.f90.
4381         * graphite.c (scopdet_basic_block_info): Fix bug that found some
4382         regions more than once.
4383
4384 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4385
4386         Fix testsuite/gfortran.dg/graphite/id-4.f90.
4387         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
4388         when not needed.
4389
4390 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4391
4392         Fix testsuite/gfortran.dg/graphite/id-1.f90.
4393         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
4394         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
4395         (max_precision_type): New.
4396         (value_clast): Removed.
4397         (clast_to_gcc_expression): Be more careful to types of expressions.
4398         Use max_precision_type and update use of gmp_cst_to_tree.
4399         (graphite_translate_clast_equation): Use max_precision_type.
4400         (graphite_create_guard_cond_expr): Do not use integer_type_node,
4401         use the type of the condition.
4402         (graphite_create_new_loop): Do not use integer_type_node, use the
4403         max_precision_type of lb and ub.
4404
4405 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4406
4407         * graphite.c (build_scops_1): Initialize open_scop.exit
4408         and sinfo.last.
4409
4410 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4411
4412         * testsuite/gcc.dg/graphite/pr38084.c: New.
4413         * testsuite/gfortran.dg/graphite/id-1.f90: New.
4414         * testsuite/gfortran.dg/graphite/id-2.f90: New.
4415         * testsuite/gfortran.dg/graphite/id-3.f90: New.
4416         * testsuite/gfortran.dg/graphite/id-4.f90: New.
4417         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
4418
4419 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4420             Jan Sjodin  <jan.sjodin@amd.com>
4421             Harsha Jagasia  <harsha.jagasia@amd.com>
4422
4423         PR middle-end/37852
4424         PR middle-end/37883
4425         PR middle-end/37928
4426         PR middle-end/37980
4427         PR middle-end/38038
4428         PR middle-end/38039
4429         PR middle-end/38073
4430         PR middle-end/38083
4431         PR middle-end/38125
4432
4433         * testsuite/gcc.dg/graphite/pr38073.c: New.
4434         * testsuite/gcc.dg/graphite/pr37928.c: New.
4435         * testsuite/gcc.dg/graphite/pr37883.c: New.
4436         * testsuite/gcc.dg/graphite/pr38125.c: New.
4437         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
4438         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
4439         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
4440
4441         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
4442         the number of detected scops.  Copy exact same test for loop
4443         blocking...
4444         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
4445         loops to be blocked as reductions are not handled.
4446         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
4447
4448         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
4449         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
4450         ...here.
4451         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
4452         * Makefile.in (graphite.o): Depend on value-prof.h.
4453         (graphite.o-warn): Removed -Wno-error.
4454         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
4455         to be a NULL pointer.  Call update_stmt.  Return the newly created
4456         cannonical induction variable.
4457
4458         * graphite.h (debug_rename_map): Declared.  Fix some comments.
4459
4460         * graphite.c: Reimplement the code generation from graphite to gimple.
4461         Include value-prof.h.
4462         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
4463         (get_old_iv_from_ssa_name): Removed.
4464         (graphite_stmt_p): New.
4465         (new_graphite_bb): Test for useful statements before building a
4466         graphite statement for the basic block.
4467         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
4468         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
4469         reason.
4470         (recompute_all_dominators, graphite_verify,
4471         nb_reductions_in_loop, graphite_loop_normal_form): New.
4472         (scop_record_loop): Call graphite_loop_normal_form.
4473         (build_scop_loop_nests): Iterate over all the blocks of the
4474         function instead of relying on the incomplete information from
4475         SCOP_BBS.  Return the success of the operation.
4476         (find_params_in_bb): Use the data from GBB_DATA_REFS.
4477         (add_bb_domains): Removed.
4478         (build_loop_iteration_domains): Don't call add_bb_domains.
4479         Add the iteration domain only to the basic blocks that have been
4480         translated to graphite.
4481         (build_scop_conditions_1): Add constraints only if the basic
4482         block have been translated to graphite.
4483         (build_scop_data_accesses): Completely disabled until data
4484         dependence is correctly implemented.
4485         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
4486         (remove_all_edges_1, remove_all_edges): Removed.
4487         (get_new_name_from_old_name): New.
4488         (graphite_rename_variables_in_stmt): Renamed
4489         rename_variables_in_stmt.  Call get_new_name_from_old_name.
4490         Use replace_exp and update_stmt.
4491         (is_old_iv): Renamed is_iv.
4492         (expand_scalar_variables_stmt): Extra parameter for renaming map.
4493         Use replace_exp and update_stmt.
4494         (expand_scalar_variables_expr): Same.  Use the map to get the
4495         new names for the renaming of induction variables and for the
4496         renaming of variables after a basic block has been copied.
4497         (expand_scalar_variables): Same.
4498         (graphite_rename_variables): Renamed rename_variables.
4499         (move_phi_nodes): Removed.
4500         (get_false_edge_from_guard_bb): New.
4501         (build_iv_mapping): Do not insert the induction variable of a
4502         loop in the renaming iv map if the basic block does not belong
4503         to that loop.
4504         (register_old_new_names, graphite_copy_stmts_from_block,
4505         copy_bb_and_scalar_dependences): New.
4506         (translate_clast): Heavily reimplemented: copy basic blocks,
4507         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
4508         At each translation step call graphite_verify ensuring the
4509         consistency of the SSA, loops and dominators information.
4510         (collect_virtual_phis, find_vdef_for_var_in_bb,
4511         find_vdef_for_var_1, find_vdef_for_var,
4512         patch_phis_for_virtual_defs): Removed huge hack.
4513         (mark_old_loops, remove_dead_loops, skip_phi_defs,
4514         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
4515         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
4516         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
4517         if_region_get_condition_block, if_region_set_false_region,
4518         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
4519         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
4520         sese_add_exit_phis_edge, sese_add_exit_phis_var,
4521         rewrite_into_sese_closed_ssa): New.
4522         (gloog): Remove dead code.  Early return if code cannot be
4523         generated.  Call cleanup_tree_cfg once the scop has been code
4524         generated.
4525         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
4526         block loops with less than two loops.
4527         (graphite_apply_transformations): Remove the call to
4528         scop_remove_ignoreable_gbbs.
4529         (limit_scops): When build_scop_loop_nests fails, continue on
4530         the next scop.  Fix open_scop.entry.
4531         (graphite_transform_loops): Call recompute_all_dominators: force the
4532         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
4533         Call initialize_original_copy_tables and free_original_copy_tables
4534         to be able to copy basic blocks during code generation.
4535         When build_scop_loop_nests fails, continue on next scop.
4536         (value_clast): New union.
4537         (clast_to_gcc_expression): Fix type cast warning.
4538
4539 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
4540
4541         * Merge from mainline (r140838:141727).
4542
4543 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4544
4545         PR middle-end/37833
4546
4547         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
4548
4549 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4550
4551         PR middle-end/37943
4552
4553         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
4554         exits and conditions.
4555         * testsuite/gcc.dg/graphite/pr37943.c: New.
4556
4557 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4558
4559         PR middle-end/37886
4560         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
4561
4562 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4563
4564         * doc/invoke.texi: Fix spaces.
4565
4566 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
4567
4568         PR tree-optimization/37891
4569         Reverted last commit.
4570         * graphite.c (create_single_entry_edge): Set
4571         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4572
4573 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
4574             Mitul Thakkar  <mitul.thakkar@amd.com>
4575
4576         * graphite.c (create_single_entry_edge): Set
4577         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4578
4579 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4580
4581         * doc/invoke.texi: Add -fgraphite-identity.
4582         * graphite.c (graphite_apply_transformations): Check for
4583         -fgraphite-identity.
4584         * toplev.c (process_options): Add flag_graphite_identity.
4585         * tree-ssa-loop.c: Add flag_graphite_identity.
4586
4587 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4588
4589         Undo changes from 2008-10-02:
4590         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4591         operand type when copying the operand to a variable of different type.
4592         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4593         with the IV name after increment.
4594
4595 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4596             Harsha Jagasia  <harsha.jagasia@amd.com>
4597
4598         PR tree-optimization/37828
4599         * testsuite/gcc.dg/graphite/pr37828.c: New.
4600         * graphite.c (graphite_trans_loop_block): Do not loop block
4601         single nested loops.
4602
4603 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
4604             Sebastian Pop  <sebastian.pop@amd.com>
4605
4606         * graphite.c (struct rename_map_elt, new_rename_map_elt,
4607         rename_map_elt_info, eq_rename_map_elts): New.
4608         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
4609         (expand_scalar_variables_expr): Change parameters.
4610         (expand_scalar_variables_stmt): Same.
4611         (expand_scalar_variables): Same.
4612         (graphite_rename_ivs): Rename graphite_rename_variables.
4613         (build_iv_mapping): New.
4614         (translate_clast): Call build_iv_mapping.
4615         * graphite.h (gbb_p): New name.
4616
4617 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
4618
4619         PR tree-optimization/37684
4620         * gcc.dg/graphite/pr37684.c: New.
4621         * graphite.c (exclude_component_ref): New.
4622         (is_simple_operand): Call exclude_component_ref.
4623
4624 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
4625             Harsha Jagasia  <harsha.jagasia@amd.com>
4626
4627         PR tree-optimization/37485
4628         * gcc.dg/graphite/block-2.c: New
4629         * graphite.c (gmp_cst_to_tree): Moved.
4630         (iv_stack_entry_is_constant): New.
4631         (iv_stack_entry_is_iv): New.
4632         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
4633         (loop_iv_stack_insert_constant): New.
4634         (loop_iv_stack_pop): Use new datatpype.
4635         (loop_iv_stack_get_iv): Same.
4636         (loop_iv_stack_get_iv_from_name): Same.
4637         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
4638         (loop_iv_stack_patch_for_consts): New.
4639         (loop_iv_stack_remove_constants): New.
4640         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
4641         (translate_clast): Call loop_iv_stack_patch_for_consts and
4642         loop_iv_stack_remove_constants.
4643         (gloog): Use new datatype.  Redirect construction edge to end
4644         block to avoid accidental deletion.
4645         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
4646         iv stack entry.
4647         (union iv_stack_entry_data): New.  Data in iv stack entry.
4648         (struct iv_stack_entry): New.  Datatype for iv stack entries.
4649
4650 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4651
4652         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4653         operand type when copying the operand to a variable of different type.
4654
4655 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4656
4657         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4658         with the IV name after increment.
4659
4660 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4661
4662         * Merge from mainline (r140164:140838).
4663
4664 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4665
4666         * graphite-data-ref.c: New.
4667         * graphite.c (print_scop): Also dump the dependence graph.
4668         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
4669         (new_scop): Initialize SCOP_DEP_GRAPH.
4670         (build_scop_dynamic_schedules): New.
4671         (build_access_matrix_with_af): Fixed column numbering.
4672         (graphite_transform_loops): Call build_scop_dynamic_schedules.
4673         * graphite.h: Add ifndef/define guards against multiple inclusion.
4674         (struct scop): Add dep_graph field.
4675         (SCOP_DEP_GRAPH): Defined.
4676         (ref_nb_loops): Fixed and moved to other position.
4677         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
4678         (nb_loops_around_loop_in_scop): New.
4679         (graphite_dump_dependence_graph): Declared.
4680         (graphite_build_rdg_all_levels): Declared.
4681         (graphite_test_dependence): Declared.
4682         * Makefile.in (graphite-data-ref.o): New target.
4683
4684 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
4685
4686         * Merge from mainline (139870:140164).
4687
4688 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4689
4690         * Merge from mainline (138275:139870).
4691         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
4692         the commits from trunk broke the niter detection.
4693
4694 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4695
4696         * graphite.c: Add more documentation.  Fix formatting.
4697         (debug_loop_vec, debug_oldivs, loop_iv_stack,
4698         loop_iv_stack_debug): Moved...
4699         (schedule_to_scattering): Move before use.
4700         (dot_all_scops): Include in "#if 0" the code for system
4701         call dotty.
4702
4703         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
4704         loop_iv_stack_debug): ...here.
4705
4706 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
4707
4708         * tree-phinodes.c (make_phi_node): Extern.
4709         (add_phi_node_to_bb): New.
4710         (create_phi_node): Call add_phi_node_to_bb.
4711         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
4712         (remove_statement): Handle case where stored phi was updated
4713         and is no longer the same.
4714         * graphite.c (is_parameter): New.
4715         (is_old_iv): New.
4716         (expand_scalar_variables_expr): New.
4717         (expand_scalar_variables_stmt): New.
4718         (expand_scalar_variables): New.
4719         (move_phi_nodes): Create new phi instead of moving old one.
4720         (translate_clast): Call expand_scalar_variables.
4721         (find_vdef_for_var_in_bb): Also scan regular definitions.
4722         (skip_phi_defs): New.
4723         (collect_scop_exit_phi_args): New.
4724         (patch_scop_exit_phi_args): New.
4725         (gloog): Patch phis after scop.
4726         * tree-flow.h: (add_phi_node_to_bb): Declared.
4727         (make_phi_node): Declared.
4728
4729 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4730
4731         * graphite.c (end_scop): Split the entry of the scop when it
4732         is the header of the loop in which the scop is ending.
4733         (build_scops_1, limit_scops): Update uses of end_scop.
4734
4735 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4736
4737         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
4738         SCOP_ENTRY or SCOP_EXIT.
4739
4740 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4741
4742         * graphite.c (get_construction_edge): Removed.
4743         (gloog): Construction edge is the scop entry edge.
4744
4745 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4746
4747         * graphite.c (can_generate_for_scop): Removed.
4748         (gloog): Do not call it.
4749
4750 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4751
4752         * graphite.c (new_scop): Entry of a scop is an edge.
4753         Initialize SESE region.
4754         (free_scop): Free SESE region.
4755         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
4756         (split_difficult_bb): New, split from end_scop.
4757         (end_scop): Exit of a scop is an edge.
4758         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
4759         not automatically updated and thus is always wrong.
4760         * graphite.h (struct sese): New.
4761         (SESE_ENTRY): New.
4762         (SESE_EXIT): New.
4763         (struct scop): New field for a SESE region.  Remove entry, exit.
4764         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
4765         semantics as before.  Moved comment around.
4766
4767 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4768             Sebastian Pop  <sebastian.pop@amd.com>
4769
4770         * graphite.c (graphite_transform_loops): Always enable gloog
4771         and find_transform when ENABLE_CHECKING.
4772
4773 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4774
4775         * graphite.c (graphite_transform_loops): Move pretty printer
4776         of SCOPs before doing any transform.  Remove call to print_scops
4777         and dot_all_scops_1.
4778
4779 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4780
4781         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
4782         (print_graphite_bb): Same.
4783
4784 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4785
4786         * graphite.c (dot_all_scops_1): Cleanup.
4787         (move_scops): Fix comment.
4788
4789 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4790
4791         * graphite.c (build_scop_bbs): Revert commit 139355:
4792
4793         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4794                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4795
4796                 * graphite.c (build_scop_bbs): Factor up code.
4797
4798 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4799
4800         * graphite.c (gloog): Update dominator info.
4801
4802 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4803
4804         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
4805
4806 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4807
4808         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
4809         initialization.
4810         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
4811         (translate_clast): Correct formatting.
4812         * graphite.h (struct num_map): Removed.
4813         (struct graphite_bb): Remove num_map field.
4814         (GBB_INDEX_TO_NUM_MAP): Removed.
4815
4816 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4817
4818         * graphite.c (build_access_matrix_with_af): Fix comments.
4819         (build_scop_data_accesses): Same.
4820
4821 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4822
4823         * graphite.c (build_scop_data_accesses): Don't construct
4824         access matrices.  Add a FIXME and an assert condition that
4825         should pass when the access matrices will be needed.
4826
4827 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4828
4829         * tree-data-ref.c (stmt_simple_memref_p): Don't call
4830         really_constant_p.
4831         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
4832         Moved close by free_graphite_bb.
4833         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
4834         (new_scop): Move close by free_scop.
4835         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
4836
4837 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
4838
4839         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
4840         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
4841         instead of recursive call.
4842         (graphite_translate_clast_equation): New.
4843         (graphite_create_guard_cond_expr): New.
4844         (graphite_create_new_guard): New.
4845         (get_stack_index_from_iv): Removed.
4846         (graphite_rename_ivs_stmt): Use gbb_loop_index.
4847         (get_true_edge_from_guard_bb): New.
4848         (translate_clast): Handle stmt_guard in clast.
4849         (get_construction_edge): Allow construction edge detection for
4850         a scope entry with multiple predecessors if one predecessor is
4851         the immediate dominator of scope entry.
4852         (can_generate_code_stmt): Enable code generation for clast_guard.
4853         (gloog): Use correct context loop.  Removed check for post dominators.
4854         * cfgloop.h (create_empty_if_region_on_edge): Declared.
4855
4856 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4857
4858         * graphite.c (remove_dead_loops): Document better which
4859         loops are removed.
4860
4861 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4862
4863         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
4864         and PPLINC.
4865         (graphite.o): Also depends on pointer-set.h.
4866
4867 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4868
4869         * graphite.c (scop_record_loop): Fix compile warning.
4870
4871 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
4872             Sebastian Pop  <sebastian.pop@amd.com>
4873
4874         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
4875
4876 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4877
4878         * graphite.c (build_graphite_bb): Initialize bb->aux to
4879         point to the graphite_bb_p.
4880         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
4881         content of bb->aux.
4882         (add_bb_domains): Does not use the scop parameter.
4883         (graphite_transform_loops): Clean bb->aux at the end.
4884
4885 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4886             Sebastian Pop  <sebastian.pop@amd.com>
4887
4888         * testsuite/lib/target-supports.exp
4889         (check_effective_target_fgraphite): New.
4890
4891         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
4892         check_effective_target_fgraphite returns false.
4893         Set dg-do-what-default to compile.
4894         (scan-graphite-dump-times): Removed.
4895         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
4896
4897         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
4898         Use scan-tree-dump-times instead of scan-graphite-dump-times.
4899         * testsuite/gcc.dg/graphite/scop-1.c: Same.
4900         * testsuite/gcc.dg/graphite/scop-2.c: Same.
4901         * testsuite/gcc.dg/graphite/scop-3.c: Same.
4902         * testsuite/gcc.dg/graphite/scop-4.c: Same.
4903         * testsuite/gcc.dg/graphite/scop-5.c: Same.
4904         * testsuite/gcc.dg/graphite/scop-6.c: Same.
4905         * testsuite/gcc.dg/graphite/scop-7.c: Same.
4906         * testsuite/gcc.dg/graphite/scop-8.c: Same.
4907         * testsuite/gcc.dg/graphite/scop-9.c: Same.
4908         * testsuite/gcc.dg/graphite/scop-10.c: Same.
4909         * testsuite/gcc.dg/graphite/scop-11.c: Same.
4910         * testsuite/gcc.dg/graphite/scop-12.c: Same.
4911         * testsuite/gcc.dg/graphite/scop-13.c: Same.
4912         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
4913         * testsuite/gcc.dg/graphite/scop-14.c: Same.
4914         * testsuite/gcc.dg/graphite/scop-15.c: Same.
4915         * testsuite/gcc.dg/graphite/block-0.c: Same.
4916         * testsuite/gcc.dg/graphite/scop-16.c: Same.
4917         * testsuite/gcc.dg/graphite/block-1.c: Same.
4918         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4919         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4920         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
4921         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
4922         * testsuite/gfortran.dg/graphite/block-2.f: Same.
4923
4924 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4925
4926         * graphite.c: Fix some XXX comments.
4927         (build_scop_dynamic_schedules): Removed.
4928
4929 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4930
4931         * graphite.h (scop_max_loop_depth): Moved...
4932         * graphite.c (scop_max_loop_depth): ...here.
4933         (remove_all_edges_1): New.
4934         (remove_all_edges): Factored code.
4935         (remove_cond_exprs): Check only the last statement for
4936         a GIMPLE_COND expression.
4937
4938 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4939
4940         * graphite.c (scan_tree_for_params): Early return when the
4941         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
4942         (find_scop_parameters): Factor out code.
4943         (graphite_trans_bb_strip_mine): Remove dead code.
4944
4945 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4946
4947         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
4948         graphite_trans_bb_move_loop): Factor asserts.
4949         (gloog): Perform sanity checks only for ENABLE_CHECKING.
4950         Do not call calculate_dominance_info and estimate_bb_frequencies.
4951
4952 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
4953
4954         * graphite.c (create_loops_mapping, free_loops_mapping,
4955         create_loops_mapping_num, debug_loop_mapping_1,
4956         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
4957         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
4958         graphite_loops_mapping_add_child_num,
4959         graphite_loops_mapping_insert_child,
4960         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
4961         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
4962         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
4963         create_num_from_index, get_num_from_index,
4964         swap_loop_mapped_depth): Removed.
4965         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
4966         (free_scop): Do not call free_loops_mapping.
4967         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
4968         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
4969         get_loop_mapped_depth.
4970         (graphite_trans_bb_move_loop): Do not update the loop mapping.
4971         (graphite_trans_bb_strip_mine): Same.
4972         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
4973         (struct scop): Remove field loops_mapping.
4974
4975 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4976             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4977
4978         * graphite.c (scop_record_loop): Factor out one level of the
4979         condition by early return.
4980         (build_scop_loop_nests): Format following FSF coding style.
4981         (build_scop_dynamic_schedules): Factor out code.
4982         (scopdet_bb_info): Reindent.  Default case should not be reachable.
4983
4984 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4985             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4986
4987         * graphite.c (loop_affine_expr): Check for DECL_P or struct
4988         assignments that are not handled as simple operands for now.
4989
4990 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4991             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4992
4993         * graphite.c (build_scop_bbs): Factor up code.
4994
4995 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4996             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4997
4998         * graphite.c (stmt_simple_for_scop_p): Factor code out
4999         of the loop.
5000         (enum gbb_type): New.  Group all the GBB_* types under it.
5001         (is_loop_exit): Moved...
5002         (end_scop): Enable BB spliting.
5003         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
5004         * cfgloop.h (is_loop_exit): Declared.
5005
5006 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5007
5008         * doc/invoke.texi: Remove strides from examples containing
5009         DO loops when the strides are equal to 1.
5010
5011 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
5012             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5013
5014         * graphite.c (graphite_trans_scop_block): Or the result with
5015         the result from graphite_trans_loop_block.
5016         * testsuite/gcc.dg/graphite/block-1.c: New.
5017         * testsuite/gfortran.dg/graphite/block-1.f90: New.
5018         * testsuite/gfortran.dg/graphite/block-2.f: New.
5019
5020 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5021
5022         * graphite.c (graphite_transform_loops): Call cloog_initialize
5023         and cloog_finalize.
5024
5025 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5026
5027         * tree-data-ref.c) (stmt_simple_memref_p): New.
5028         * tree-data-ref.h (stmt_simple_memref_p): Declared.
5029         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
5030         (is_simple_operand): Call stmt_simple_memref_p.
5031
5032         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
5033         using pointer arithmetic, as this is optimized by PRE and
5034         makes the code too difficult to analyze.
5035
5036         * testsuite/gcc.dg/graphite/scop-18.c: Same.
5037
5038 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5039
5040         * gdbinit.in (pgg): New.
5041
5042 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5043
5044         * graphite.c (graphite_trans_loop_block): Fix warning.
5045
5046 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5047
5048         * graphite.c (graphite_trans_loop_block): Fix my merge error.
5049
5050 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5051
5052         * graphite.c (graphite_trans_bb_block): Remove check for
5053         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
5054         Check if loop blocking is profitable for every loop, before applying
5055         the changes.
5056         (graphite_apply_transformations): Call graphite_trans_bb_block only,
5057         if flag_loop_block is set.
5058
5059 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5060
5061         * graphite.c: Add some more documentation for the loop
5062         mapping.
5063
5064 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5065
5066         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
5067         * graphite.c: Format on less than 80 columns.
5068         * graphite.h: Same.
5069
5070 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5071
5072         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
5073
5074 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5075
5076         * doc/invoke.texi (floop-block, floop-strip-mine,
5077         floop-interchange): Update documentation with examples.
5078
5079 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5080
5081         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
5082         add_referenced_var.
5083         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
5084
5085 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5086
5087         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
5088         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
5089         * tree-scalar-evolution.c: Revert useless changes.
5090         * tree-phinodes.c: Same.
5091         * cfghooks.c: Same.
5092         * vec.h: Same.
5093         * tree-vectorizer.h: Same.
5094         * tree-flow.h: Same.
5095         * tree-cfg.c: Same.
5096         * common.opt (fgraphite): Update documentation.
5097
5098 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
5099
5100         * doc/invoke.texi (-floop-block, -floop-strip-mine,
5101         -floop-interchange): Add more text for explaining what each of these
5102         flags is doing.
5103         * tree-into-ssa.c (gimple_vec): Moved to...
5104         * graphite.c: Include gimple.h.
5105         (gimple_vec): Moved to...
5106         (del_loop_to_cloog_loop): Removed.
5107         (loop_affine_expr): Do not call create_data_ref when the
5108         operand is a constant.
5109         (new_scop): Use free instead of del_loop_to_cloog_loop.
5110         * Makefile.in (graphite.o): Depend on GIMPLE_H.
5111         * gimple.h (gimple_vec): ... here.
5112
5113 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5114
5115         * graphite.c (scopdet_bb_info): Only allow loops with known number of
5116         latch executions.
5117         (build_loop_iteration_domains): Fail, if latch executions unknown.
5118
5119 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5120
5121         * graphite.c (add_conditions_to_domain): New.
5122         (build_scop_conditions_1): Call add_conditions_to_domain.
5123         (set_cloog_options): Allow to disable optimizations.
5124
5125 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5126
5127         * graphite.c (find_params_in_bb): Look for parameters in conditions.
5128         Do not use walk_dominator_tree.
5129         (find_scop_parameters): Do not use walk_dominator_tree.
5130
5131 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5132
5133         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
5134         (idx_record_params): Adapt.
5135         * graphite.h (scop_gimple_loop_depth): New.
5136
5137 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5138
5139         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
5140         (scan_tree_for_params): Remove value_init.
5141         (build_scop_context): Remove value_init.
5142         (build_loop_iteration_domains): Remove value_init.
5143         (schedule_to_scattering): Remove value_init.
5144         (graphite_trans_bb_strip_mine): Remove value_init.
5145
5146 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5147
5148         * gcc/graphite.c (limit_scops): New.
5149         (graphite_transform_loops): Add limit SCoPs.
5150         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
5151         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
5152         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
5153         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
5154         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
5155         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
5156         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
5157         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
5158         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
5159         Change loop numbers.
5160         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
5161         Change loop numbers.
5162         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
5163         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
5164         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
5165         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
5166         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
5167         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
5168         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
5169         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
5170         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
5171         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
5172
5173 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5174
5175         * graphite.c (graphite_transform_loops): Call always find_transform.
5176
5177 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5178
5179         * graphite.c (free_loops_mapping): New.
5180         (stmt_simple_for_scop_p): Fix typo.
5181         (stmt_simple_for_scop_p): Fix tuples functions, that
5182         broke polyhedron.
5183         (free_graphite_bb): Fix some memleaks.
5184         (free_scop): Fix some memleaks.
5185         (scopdet_bb_info): Do not forget some tmp SCoPs.
5186         (find_params_in_bb): Fix some memleaks.
5187         (clast_to_gcc_expression): Fix warning.
5188
5189 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5190
5191         * testsuite/gcc.dg/graphite/scop-16.c: Fix for 32bit.
5192         * testsuite/gcc.dg/graphite/scop-17.c: Fix for 32bit.
5193
5194 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5195
5196         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
5197         Move code ifdef-ed HAVE_cloog...
5198         * graphite.c: Include toplev.h.
5199         ... here.
5200         * Makefile.in (OBJS-common): Always build graphite.o.
5201         (BACKEND): Remove @GRAPHITE@.
5202         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
5203         (graphite.o): Depend on TOPLEV_H.
5204
5205 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5206
5207         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
5208         Remove typo left from polylib to ppl conversion.
5209         * graphite.c (graphite_transforms): Use sorry instead of fatal.
5210
5211 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5212
5213         * toplev.c (process_options): Move the graphite loop optimization
5214         flags...
5215         * tree-ssa-loop.c (graphite_transforms): ... here.
5216         When not configured with CLooG, print to dump_file that
5217         Graphite transforms were not performed.
5218         * testsuite/gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
5219         New.
5220         * testsuite/gcc.dg/graphite/*.c: Updated all testcases to use
5221         scan-graphite-dump-times.
5222
5223 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5224
5225         * graphite.c (dot_scop, dot_all_scops): Do not call system.
5226         Do not open /tmp/scop.dot and /tmp/allscops.dot.
5227
5228 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
5229             Jan Sjodin  <jan.sjodin@amd.com>
5230
5231         * configure: Regenerated.
5232         * omp-low.c (expand_omp_sections): Remove now unused code.
5233         * config.in (HAVE_polylib): Removed.
5234         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
5235         (PPLLIBS, PPLINC): Added.
5236         * graphite.c: Replace unsigned with int wherever possible.
5237         Don't access Cloog's data structures, but use accessor functions.
5238         Clast's stmt->type is now implemented as a vtable: change the
5239         switches of stmt->type into ifs.
5240         (polylib/polylibgmp.h): Don't include.
5241         (initialize_dependence_polyhedron,
5242         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5243         statement_precedes_p, test_dependence, build_rdg_all_levels,
5244         dump_dependence_graph): Removed until this code is cleaned up
5245         or ported to Cloog.
5246         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
5247         (POLYLIBINC): Renamed PPLINC.
5248
5249 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
5250             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5251             Jan Sjodin  <jan.sjodin@amd.com>
5252
5253         Finish the merge and tuplification of graphite.
5254
5255 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5256             Jan Sjodin  <jan.sjodin@amd.com>
5257
5258         Partial merge from mainline (138072:138275).
5259         * graphite.c still has to be tuplified.
5260
5261 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
5262
5263         * graphite.c (graphite_loops_mapping_max_loop_num): New.
5264         (create_num_from_index): New.
5265         (get_num_from_index): Also pass in the graphite BB.
5266         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
5267         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
5268         (graphite_trans_bb_strip_mine): Call create_num_from_index.
5269         (is_interchange_valid): Return false when failing.
5270         * graphite.h (struct num_map): New.
5271         (struct graphite_bb): New field num_map.
5272         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
5273
5274 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5275
5276         * graphite.c (dump_gbb_conditions): Print also conditions like
5277         "if (a)".  Remove dublicated code and use print_generic_expr ().
5278         (stmt_simple_for_scop_p): Only allow conditions we can handle
5279         {<, <=, >, >=}.
5280
5281 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5282
5283         * graphite.h (struct scop): Removed new_ivs field.
5284         (SCOP_NEWIVS): Deleted.
5285         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
5286         clast_to_gcc_expression, graphite_create_new_loop):
5287         Removed use of new_ivs.
5288
5289 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5290
5291         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
5292         create_loops_mapping_num, debug_loop_mapping_1): New.
5293         (debug_loop_mapping): Call debug_loop_mapping_1.
5294         (get_loop_mapping_for_num,
5295         graphite_loops_mapping_add_child,
5296         graphite_loops_mapping_add_child_num,
5297         graphite_loops_mapping_insert_child,
5298         graphite_loops_mapping_parent,
5299         split_loop_mapped_depth_for_num,
5300         loop_mapped_depth_split_loop): New.
5301         (increment_loop_mapped_depths): Removed.
5302         (swap_loop_mapped_depth_for_num): Reimplemented.
5303         (new_scop): Call create_loops_mapping.
5304         (scop_record_loop): Call graphite_loops_mapping_insert_child.
5305         (translate_clast): Pass the old loop father in parameter, and pass
5306         it to get_old_iv_from_ssa_name.
5307         (remove_edges_around_useless_blocks, can_generate_code_stmt,
5308         can_generate_code, can_generate_for_scop): New.
5309         (graphite_trans_bb_block): Returns false when it fails to transform.
5310         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
5311
5312 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5313
5314         Reverted all the changes related to the streamization and
5315         loop fusion.
5316         These changes are now tracked in the streamization branch.
5317
5318 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5319             Jan Sjodin  <jan.sjodin@amd.com>
5320
5321         * graphite.c (gbb_compare): Correctly constify.
5322         (gbb_can_be_ignored): Indent.
5323         (graphite_trans_scop_swap_1and2): Add legality check.
5324         Remove dead FIXMEs.
5325
5326 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5327
5328         Remove fallouts from "Reverted the Condate changes".
5329         * tree.h: Remove unused decl.
5330         * testsuite/gcc.dg/tree-checker: Same.
5331         * timevar.def: Remove counter.
5332
5333 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5334
5335         * Merge from mainline (135673:138072).
5336
5337         Reverted the MIRO changes (from 2008-04-05) that are now
5338         tracked in the miro branch.
5339         * tree-bounds.c: Removed.
5340         * tree-bounds.h: Removed.
5341
5342         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
5343         are now tracked in the condate branch.
5344         * tree-check.c: Removed.
5345         * tree-match.c: Removed.
5346         * condate.y: Removed.
5347
5348 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5349
5350         * common.opt: New user flag -floop-block, -floop-strip-mine
5351         and -floop-interchange.
5352         * toplev.c (process_options): Enable -fgraphite pass if any one of the
5353         graphite loop optimization flags is turned on.
5354         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
5355         flag_loop_strip_mine and flag_loop_interchange checks before
5356         optimizations.
5357         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
5358         -floop-strip-mine and -floop-interchange.
5359         * testsuite/gcc.dg/graphite/block-0.c: Add -floop-block and remove
5360         -fgraphite.
5361         * testsuite/gcc.dg/graphite/scop-16.c: Ditto.
5362         * testsuite/gcc.dg/graphite/scop-17.c: Ditto.
5363         * testsuite/gcc.dg/graphite/scop-18.c: Ditto.
5364
5365 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
5366             Sebastian Pop  <sebastian.pop@amd.com>
5367
5368         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
5369         (create_empty_loop_on_edge): More fixes.
5370         * tree-phinodes.c (resize_phi_node): Extern.
5371         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
5372         * cfghooks.c (update_dominator_information): New split from
5373         split_edge.
5374         * tree-vectorizer.c (rename_variables_in_bb): Extern.
5375         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
5376         successor of the function entry block.
5377
5378         * graphite.c: Include pointer-set.h.
5379         (debug_loop_mapping, increment_loop_mapped_depths,
5380         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
5381         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
5382         swap_loop_mapped_depth_for_num, get_num_from_index,
5383         swap_loop_mapped_depth, loop_iv_stack_debug,
5384         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
5385         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
5386         get_old_iv_from_ssa_name): New.
5387         (new_scop): Initialize SCOP_LOOPS_MAPPING.
5388         (free_scop): Free SCOP_LOOPS_MAPPING.
5389         (scop_record_loop): Record old ivs.
5390         (create_var_name): Removed.
5391         (initialize_cloog_names): Allocate double space in case strip mine
5392         applies to all loops once.
5393         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
5394         (clast_to_gcc_expression): Same.  Implement more clast to gimple
5395         translation.
5396         (graphite_create_new_loop): Pass in ivstack.
5397         (remove_all_edges): Pass in the construction_edge.
5398         (graphite_remove_iv): Removed.
5399         (graphite_rename_ivs, graphite_rename_ivs_stmt,
5400         remove_cond_exprs): Rewritten.
5401         (move_phi_nodes): New.
5402         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
5403         (translate_clast): Pass in ivstack.  Rewrite some cases.
5404         (set_cloog_options, debug_clast_stmt): New.
5405         (find_transform): Use set_cloog_options.
5406         (outermost_loop_layer): Removed.
5407         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
5408         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
5409         mark_old_loops, remove_dead_loops): New.
5410         (gloog): Rewritten.
5411         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
5412         (const_column_index, get_first_matching_sign_row_index,
5413         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
5414         get_upper_bound): New.
5415         (graphite_trans_bb_strip_mine): Also update the iv map.
5416
5417         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
5418         (struct name_tree): Add a loop field.
5419         (struct scop): Add a graphite_loops_mapping field.
5420         (SCOP_LOOPS_MAPPING): New.
5421         (debug_clast_stmt): Declare.
5422         * lambda.h (find_induction_var_from_exit_cond): Declare.
5423         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
5424         * cfgloop.h (update_dominators_in_loop): Removed declaration.
5425         (create_empty_loop_on_edge): Updated.
5426         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
5427         rename_variables_in_bb): Declare.
5428         * tree-cfg.c (remove_bb): Extern.
5429
5430         * testsuite/gcc.dg/graphite/block-0.c: New.
5431
5432 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5433             Sebastian Pop  <sebastian.pop@amd.com>
5434
5435         * graphite.c (strip_mine_profitable_p): New.
5436         (graphite_trans_bb_block): Disable strip mining if not profitable.
5437
5438         * testsuite/gcc.dg/graphite/scop-18.c: New.
5439         * testsuite/gcc.dg/graphite/scop-17.c: Fixed.
5440         * testsuite/gcc.dg/graphite/scop-16.c: Fixed.
5441
5442 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
5443             Jan Sjodin  <jan.sjodin@amd.com>
5444             Sebastian Pop  <sebastian.pop@amd.com>
5445
5446         * graphite.c (is_interchange_valid): New.
5447         (graphite_trans_bb_block): Check loop nest of basic block for legality
5448         of interchange.
5449
5450         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
5451         outer_most_loop, gbb_outer_most_loop_index): New.
5452
5453         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
5454         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
5455         * testsuite/gcc.dg/graphite/scop-16.c: New.
5456         * testsuite/gcc.dg/graphite/scop-17.c: New.
5457
5458 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5459
5460         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
5461         (graphite_trans_scop_block): Ignore SCoPs without bbs.
5462
5463 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5464
5465         * graphite.c (new_scop): Initialize SCOP_EXIT.
5466         (scopdet_info): Add.
5467         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
5468         (build_scops_1): Cleanup, bugfixes.
5469         (build_scops): Cleanup.
5470
5471         * testsuite/gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
5472         * testsuite/gcc.dg/graphite/scop-15.c: Add SCoP numbers.
5473
5474 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5475
5476         * testsuite/gfortran.dg/graphite/scop-1.f: Update to reduced test case.
5477
5478         * testsuite/gfortran.dg/graphite/graphite.exp: Use
5479         DEFAULT_GRAPHITE_FLAGS.
5480
5481         * testsuite/gcc.dg/graphite/scop-15.c: Update to reduced test case.
5482
5483 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5484
5485         * graphite.c (scan_tree_for_params): Do not assert any more if
5486         MULT_EXPR parameter is negative.
5487
5488         * testsuite/gfortran.dg/graphite/scop-1.f: New.
5489
5490         * testsuite/gfortran.dg/graphite/graphite.exp: New.
5491
5492         * testsuite/gcc.dg/graphite/scop-15.c: New.
5493
5494 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5495
5496         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
5497
5498 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5499
5500         * graphite.c (graphite_trans_bb_swap_loops): Rename from
5501         graphite_swap_loops.
5502         (graphite_trans_bb_move_loop): New.
5503         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
5504         (graphite_trans_bb_block): New.
5505         (graphite_trans_loop_block): New.
5506         (graphite_trans_scop_swap_1and2): Rename from
5507         graphite_trans_swap_1and2.
5508         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
5509         (graphite_trans_scop_block): New.
5510         (graphite_apply_transformations): Rename from
5511         graphite_transformations.
5512
5513         * testsuite/gcc.dg/graphite/scop-matmult.c: New.
5514
5515 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5516
5517         * graphite.c (gbb_compare): New.
5518         (graphite_sort_gbbs): New.
5519         (gbb_can_be_ignored): New.
5520         (scop_remove_ignoreable_gbbs): New.
5521         (graphite_transformations): Cleanup and add
5522         scop_remove_ignoreable_gbbs.
5523         * lambda.h (lambda_vector_compare): New.
5524
5525 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5526
5527         * graphite.c (print_graphite_bb): Correct printing of static schedule.
5528         (graphite_swap_loops): int -> unsigned
5529         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
5530         (graphite_transformations): New.
5531         (graphite_transform_loops): Move to graphite_transformations.
5532         * graphite.h (gbb_nb_loops): Return unsigned.
5533
5534 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5535
5536         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
5537         the domain matrix.  This makes scop-0.c work again.
5538
5539 2008-06-20  Richard Guenther  <rguenther@suse.de>
5540
5541         * graphite.h: Adjust copyright to GPLv3.
5542         * graphite.c: Likewise.
5543         (stmt_simple_memref_for_scop_p): Split out from ...
5544         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
5545         and simplify.
5546         (get_bb_type): Optimize.
5547         (is_pred): Remove.
5548         (is_bb_addable): Fix memleak, replace is_pred call with
5549         single_pred.
5550         (build_scops): Use current_loops.
5551         (param_index): Fix memleak.
5552
5553 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5554
5555         * graphite.c: Fix formatting.
5556
5557 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5558
5559         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
5560         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
5561         (create_var_name, save_var_name): Newly defined functions.
5562         (initialize_cloog_names): Part of the code factored out to
5563         save_var_name.
5564         (clast_to_gcc_expression): Now handles the case of clast_red_sum
5565         in clast_reduction statement.
5566         (graphite_create_new_loop): Now takes a new parameter
5567         for outer_loop.
5568         (translate_clast): Now also takes the context_loop and bb_exit
5569         parameters. Rewritten the code so that it creates a gimple code
5570         inside the given context.
5571         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
5572         remove_cond_expr, disconnect_cond_expr,
5573         disconnect_virtual_phi_nodes): Newly defined functions.
5574         * graphite.h (struct scop): added old_ivs vector.
5575         SCOP_OLDIVS: New macro.
5576
5577 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
5578
5579         * cfgloopmanip.c: Add missing function comments, fix formatting.
5580
5581 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5582
5583         * cfgloopmanip.c (update_dominators_in_loop): Defined.
5584         (create_empty_loop_on_edge): Defined.
5585         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
5586         instead of void.
5587         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
5588         (update_dominators_in_loop): Declared as extern
5589         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
5590
5591 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5592
5593         * graphite.c (print_graphite_bb): Allow changing number of loops
5594         in SCoP domain.
5595         (initialize_cloog_names): Allow changing number of loops.
5596         (build_cloog_prog): Simplify.
5597         (find_transform): Enable cloog option --strides.
5598         (graphite_swap_loops): New.
5599         (graphite_strip_mine_loop): New.
5600         (graphite_trans_swap_1and2): New.
5601         (graphite_trans_strip): New.
5602         (graphite_transform_loops): Add graphite_trans_strip.
5603         * graphite.h (scop_max_loop_depth): New.
5604
5605 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5606
5607         * graphite.c (build_scop_iteration_domain): Remove forgotten
5608         line. (Fixes compile)
5609
5610 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5611
5612         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
5613         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
5614         (build_bb_loops): New.
5615         (graphite_transform_loops): Add build_bb_loops.
5616         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
5617         numbers.
5618         * graphite.h (graphite_bb): Add loops.
5619         (gbb_nb_loops): New.
5620         (gbb_loop_at_index): New.
5621         (gbb_loop_index): New.
5622         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
5623         using nb_params_in_scop.
5624
5625 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5626
5627         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
5628         (build_scop_canonical_schedules): Build minimized schedule.
5629         (schedule_to_scattering): Adapt to minimized schedule.
5630         * graphite.h (graphite_bb): Add/Update descriptions.
5631
5632 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
5633             Tobias Grosser  <grosser@fim.uni-passau.de>
5634
5635         * graphite.c (print_graphite_bb): Add condition printing.
5636         (dump_value): New.
5637         (dump_gbb_conditions): New.
5638         (build_scop_conditions_1): New.
5639         (build_scop_conditions): New.
5640         * graphite.h (graphite_bb): Add conditions.
5641
5642 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5643
5644         * graphite.c (print_graphite_bb):
5645         (free_graphite_bb): New.
5646         (free_scop): Free bbs.
5647         (get_bb_type): Free doms.
5648         (build_scop_context): Free context matrix.
5649         (build_loop_iteration_domains): Remove unused code.
5650         (build_cloog_prog): Free scattering function and blocklist.
5651         (find_transform): Free options.
5652
5653 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5654
5655         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
5656         Remove unnecessery cloog data structures. Make a copy of the domain
5657         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
5658         unnecessary cloog data structures. Fix memory leaks. Remove insert
5659         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
5660         used.
5661         (build_scop_iteration_domain): Remove unnecessary cloog
5662         data structures.  Fix memory leaks.
5663         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
5664         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
5665
5666 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5667
5668         * graphite.c (find_scop_params): Remove initialize_cloog_names.
5669
5670 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5671
5672         * graphite.c (end_scop): Style fix.
5673         (schedule_to_scattering): Style and comment fix.
5674
5675 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5676         * graphite.c (print_graphite_bb): Fix definiton of
5677         schedule_to_scattering.
5678         (initialize_cloog_names): Change nb_scattdims to max loop
5679         depth in SCoP.
5680         (schedule_to_scattering): Take parameter for number of scattering
5681         dimensions.
5682         (build_cloog_prog): Only build as much scattering dimensions as
5683         necessary.
5684
5685 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5686
5687         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
5688         in polyhedron/aermod.f90.
5689
5690 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5691             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
5692             Harsha Jagasia  <harsha.jagasia@amd.com>
5693
5694         * graphite.c (is_bb_addable): Fix segfault.
5695
5696 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5697
5698         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
5699         with multiple exits and conditional handling in edge cases.
5700         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
5701
5702         * testsuite/gcc.dg/graphite/scop-14.c: New.
5703
5704 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5705             Adrien Eliche  <aeliche@isty.uvsq.fr>
5706
5707         * graphite.c (is_bb_addable): Add more comments and enhance
5708         readablity of the source code. Fix memory leak.
5709         (is_loop_exit): Fix memory leak.
5710
5711 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5712
5713         * graphite.c (first_loop_in_scop): Deleted.
5714         (setup_cloog_loop): Only walk the loop chain for inner loops.
5715         (build_scop_iteration_domain): Execute setup_cloog_loop for
5716         all loops in the first layer.
5717
5718 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5719
5720         * graphite.c (scan_tree_for_params): Change the way params are
5721         added to be indepenent of the number of loops.
5722         (setup_cloog_loop): Revert to short matrix format. Fix parameter
5723         handling.
5724         (build_cloog_prog): Revert to short matrix format.
5725
5726 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5727             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
5728
5729         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
5730         warning.
5731
5732 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5733
5734         * graphite.c (nb_data_refs_in_scop): New.
5735         (graphite_transform_loops): Print more stats: number of
5736         loops, basic blocks and data references per scop.
5737
5738 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5739             Jan Sjodin  <jan.sjodin@amd.com>
5740
5741         * graphite.c (loop_affine_expr, idx_record_params,
5742         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
5743         instead of instantiate_parameters.
5744
5745 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5746
5747         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
5748         add support for parameters, add STATIC_SCHEDULE at the right places,
5749         cleanup.
5750
5751 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5752
5753         * graphite.c (build_scop_loop_nests): Only add the loops, that
5754         are contained completely in the SCoP.
5755         (build_cloog_prog): Disable scattering, until schedule_to_scattering
5756         and the domains are fixed.
5757         (build_scop_canonical_schedules): Add support for bbs not contained
5758         in any SCoP.
5759
5760 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5761
5762         * graphite.h (scop_contains_loop): Update comments to match
5763         the actual behavior.
5764         (scop_contains_loop): New.
5765         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
5766
5767 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5768
5769         * graphite.c (get_bb_type): On function body, i.e. loop_0,
5770         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
5771         as GBB_COND_HEADER.
5772
5773 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5774             Tobias Grosser  <grosser@fim.uni-passau.de>
5775
5776         * graphite.c (graphite_transform_loops): Early return when
5777         there are no loops in the function.
5778
5779 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5780             Jan Sjodin  <jan.sjodin@amd.com>
5781
5782         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
5783         offset of the last loop.
5784         (setup_cloog_loop): Copy the entire outer constraint matrix.
5785
5786 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5787             Jan Sjodin  <jan.sjodin@amd.com>
5788
5789         * graphite.c (stmt_in_scop_p, function_parameter_p,
5790         invariant_in_scop_p): Removed.
5791         (scan_tree_for_params): Can be used with no constraint
5792         matrix for gathering parameters.
5793         (idx_record_params): Don't use idx_record_param, instead use
5794         scan_tree_for_params.
5795         (find_scop_parameters): Same.
5796         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
5797         Fix the size of loop domains.
5798         (schedule_to_scattering): Exit when the outer loop is not in scop.
5799         (find_transform): Enable build_cloog_prog.
5800
5801 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5802             Jan Sjodin  <jan.sjodin@amd.com>
5803
5804         * graphite.c (schedule_to_scattering): Make scattering domains
5805         uniformly of the same size, as required by CLooG 0.14.0 and before.
5806
5807 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5808             Jan Sjodin  <jan.sjodin@amd.com>
5809
5810         * graphite.c (schedule_to_scattering): Rewrite, correct the
5811         translation of the scheduling function to scattering.
5812         (build_cloog_prog): Call schedule_to_scattering only once.
5813         * graphite.h (scop_loop_index): Do not fail for loops not
5814         in the scop: return -1.
5815
5816 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
5817
5818         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
5819         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
5820         (setup_cloog_loop): Export GBB_DOMAIN.
5821         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
5822         able to rebuild the original control flow.
5823         * graphite.h (graphite_bb): Add domain field and access macro.
5824         (GBB_DOMAIN): New.
5825
5826 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5827
5828         * graphite.c (debug_gbb): New.
5829         (print_scop, build_graphite_bb): Use SCOP_BBS.
5830         (build_scop_bbs): Reimplemented.
5831         (dfs_bb_in_scop_p): Removed.
5832         (build_scop_loop_nests): Reorder loops inserted in
5833         SCOP_LOOP_NEST: outer loops should come first.
5834         (build_scop_canonical_schedules): Reinitialize at zero
5835         the components of the SCOP_STATIC_SCHEDULE for the loops
5836         that have already been parsed.
5837
5838         * graphite.h (debug_gbb): Declared.
5839
5840 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5841             Jan Sjodin  <jan.sjodin@amd.com>
5842
5843         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
5844         (graphite_loop_to_gcc_loop): Removed.
5845         (remove_all_edges): New.
5846         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
5847         (gloog): Remove useless code.
5848
5849 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5850
5851         * graphite.c (get_bb_type): Reworked. We distinguish between
5852         loops with one or multiple exits.
5853         (is_loop_exit): New.
5854         (is_pred): New.
5855         (is_bb_addable): Rework condition handling, now support for case
5856         case statements and loops with multiple exits.
5857
5858         * testsuite/gcc.dg/graphite/scop-11.c: New.
5859         * testsuite/gcc.dg/graphite/scop-12.c: New.
5860         * testsuite/gcc.dg/graphite/scop-13.c: New.
5861
5862 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5863
5864         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
5865         we have too many colors.
5866
5867 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
5868
5869         * doc/invoke.texi (-ftree-loop-fusion): Document.
5870         * tree-pass.h (pass_loop_fusion): Declared.
5871         * tree-loop-fusion.c: New.
5872         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
5873         * tree-data-ref.c (find_data_references_in_loop): Make extern.
5874         * tree-data-ref.h (find_data_references_in_loop): Declared.
5875         * common.opt (ftree-loop-fusion): Declared.
5876         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
5877
5878 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
5879
5880         * graphite.c (build_access_matrix): Fix typo from the merge.
5881
5882 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
5883
5884         * Merge from mainline (130800:135673).
5885
5886 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5887
5888         * graphite.c (end_scop): The exit of the scop is not part of the scop.
5889         Update dominators after splitting.
5890
5891 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5892
5893         * graphite.c (is_bb_addable): Return the harmful statement.
5894         Factor up some code.
5895         (end_scop): New.  Splits end of scope bbs on a harmful statement.
5896         (build_scops_1): Call end_scop.
5897
5898 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5899
5900         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
5901         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
5902         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
5903         build_scops_1): Removed.
5904         (build_scops_2): Renamed build_scops_1.
5905
5906 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5907
5908         * graphite.c: Fix formatting.
5909
5910 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5911
5912         * graphite.c (get_bb_type): New.
5913         (move_scops): New.
5914         (build_scops_2): New.
5915         (is_bb_addable): New.
5916         (build_scops): Switch the scop detection.
5917         (build_scop_bbs): Add entry bb to scop.
5918         * graphite.h (struct scop): Update comment.
5919
5920 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5921
5922         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
5923         more colors.
5924
5925 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5926
5927         * testsuite/gcc.dg/graphite/scop-1.c: Update.
5928         * testsuite/gcc.dg/graphite/scop-2.c: Update.
5929         * testsuite/gcc.dg/graphite/scop-4.c: Update.
5930         * testsuite/gcc.dg/graphite/scop-5.c: Add.
5931         * testsuite/gcc.dg/graphite/scop-6.c: Add.
5932
5933 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5934
5935         * testsuite/gcc.dg/graphite/scop-0.c: Add.
5936         * testsuite/gcc.dg/graphite/scop-7.c: Add.
5937         * testsuite/gcc.dg/graphite/scop-8.c: Add.
5938         * testsuite/gcc.dg/graphite/scop-9.c: Add.
5939         * testsuite/gcc.dg/graphite/scop-10.c: Add.
5940
5941 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5942
5943         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
5944         Check affine expressions depending on the outermost loop
5945         instead of a scop.
5946         (stmt_simple_for_scop_p): Same.
5947         (harmfule_stmt_in_scop): Same.
5948
5949 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5950
5951         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
5952         mark entry and exit, that are not part of the SCoP and update HTML
5953         formatting.
5954
5955 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
5956
5957         * graphite.c (basic_block_simple_for_scop_p): Renamed
5958         harmful_stmt_in_bb.
5959         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
5960         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
5961         (all_preds_visited_p, all_succs_visited_p,
5962         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
5963         scop_end_loop): New.
5964         (build_scops): Do not use dfs_enumerate_from.
5965
5966         * testsuite/gcc.dg/graphite/scop-{1,2,4}.c: Updated.
5967
5968 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5969
5970         * graphite.c: Add comments to functions that are missing a
5971         description.
5972         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
5973
5974 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5975
5976         * graphite.c (nb_params_in_scop): Moved...
5977         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
5978         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
5979         (clast_to_gcc_expression): Reduce column size to less than 80.
5980         (graphite_create_iv): Return the new name of the IV.
5981         (find_transform): Set options->esp and options->cpp.
5982         (gloog): Comment out the invalidation of the old loop code.
5983         (initialize_dependence_polyhedron): Replace scop_nb_params with
5984         nb_params_in_scop.
5985
5986         * graphite.h (nb_params_in_scop): ... here.
5987         (scop_nb_params): Removed.
5988         (loop_domain_dim): Return something even when the loop was not
5989         found in the hash table: avoid ICEing on all the graphite.exp
5990         testcases.
5991
5992 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5993
5994         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
5995
5996         * graphite.c (build_scop_dynamic_schedules): Schedule is built
5997         according to nesting level.
5998         (find_scop_parameters): Call instantiate_parameters.
5999         (scan_tree_for_params): Extend it to handle general affine bounds.
6000         Inner loop bound can depend on outer loop induction variable.
6001         (setup_cloog_loop): tmp variable is allocated on stack. Call
6002         instantiate_parameters with respect to outermost_loop_in_scop.
6003         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
6004         graphite.h.
6005         (create_empty_loop): Function loopify should be given edge
6006         probability, instead of edge frequency. Dominance relation from
6007         switch_bb to loop_header.
6008         (clast_to_gcc_expression): Added handling of clast_reduction node.
6009         (gloog): New functionality for removing old loop.
6010         (test_dependence): Factored out from build_rdg_all_levels.
6011         (build_rdg_all_levels): Dependence testing factored out to
6012         test_dependence function.
6013
6014         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
6015         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
6016         from graphite.c
6017
6018 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
6019
6020         * graphite.c (free_scop, param_index, initialize_cloog_names,
6021         nb_params_in_scop): Use name_tree map instead of just a tree
6022         for keeping track of the variable name associated to that tree.
6023         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
6024         clast_to_gcc_expression, graphite_create_iv,
6025         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
6026         graphite_stmt_to_gcc_stmt): New.
6027         (gloog): Call these.
6028         * graphite.h (struct name_tree): New.
6029         (struct scop): Use name_tree instead of tree for params.
6030         Store a vector of name_tree for new_ivs.
6031         (SCOP_NEWIVS): New.
6032         (scop_nb_params): Use name_tree instead of tree.
6033
6034 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
6035             Sebastian Pop  <sebastian.pop@amd.com>
6036
6037         * tree-bounds.c: New.
6038         * tree-bounds.h: New.
6039         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
6040         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
6041         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
6042         flag_mudflap.
6043         * gcc.c: Same.
6044         * toplev.c: Same.
6045         * c-cppbuiltin.c: Same.
6046         * c-pragma.c: Same.
6047         * common.opt: Same.
6048         * varasm.c: Same.
6049         * tree-outof-ssa.c: Same.
6050         * c-common.c: Same.
6051         * Makefile.in: Same.
6052
6053 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
6054             Sebastian Pop  <sebastian.pop@amd.com>
6055
6056         * tree-loop-distribution.c (remaining_stmts,
6057         upstream_mem_writes): Removed static variables.
6058         (copy_loop_before, create_bb_after_loop,
6059         mark_nodes_having_upstream_mem_writes, free_rdg_components,
6060         rdg_build_components, rdg_build_partitions,
6061         dump_rdg_partitions): Extern.
6062         (generate_loops_for_partition, generate_code_for_partition): Do not
6063         return a bool.
6064         (already_processed_vertex_p, predecessor_has_mem_write,
6065         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
6066         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
6067         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
6068         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
6069         Pass remaining_stmts and upstream_mem_writes as parameters.
6070         (rdg_component): Moved...
6071         (build_rdg_partition_for_component): Do not aggregate components when
6072         flag_streamize_loops is set.
6073         (gen_sequential_loops): New.
6074         (ldist_gen): Call gen_sequential_loops.
6075
6076         * tree-pass.h (pass_loop_streamization): Declared.
6077
6078         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
6079         basic blocks when loops structures exist.
6080
6081         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
6082
6083         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
6084
6085         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
6086         eliminate_local_variables_stmt, eliminate_local_variables,
6087         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
6088         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
6089         of code delimited by two edges in the CFG.
6090         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
6091         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
6092         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
6093         the case of parallelisation of reductions.
6094         (create_loop_fn): Extern.
6095         (create_omp_parallel_region): New.
6096
6097         * tree-data-ref.c (dump_data_dependence_relation): Don't call
6098         dump_data_reference for printing dra and drb.
6099         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
6100         RDGE_RELATION.
6101         (build_rdg): Don't call free_dependence_relations for the moment, as
6102         we attach dependence relations on each edge of the RDG.
6103         To be fixed later.
6104
6105         * tree-data-ref.h (rdg_component): ...here.
6106         (struct rdg_edge): New field ddr_p relation.
6107         (RDGE_RELATION): New.
6108         (create_bb_after_loop, copy_loop_before,
6109         mark_nodes_having_upstream_mem_writes, rdg_build_components,
6110         rdg_build_partitions, dump_rdg_partitions,
6111         free_rdg_components): Declared.
6112
6113         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
6114         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
6115
6116         * tree-loop-streamization.c: New.
6117
6118         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
6119         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
6120
6121         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
6122
6123         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
6124
6125         * passes.c: Schedule pass_loop_streamization.
6126
6127 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
6128
6129         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
6130         update comment.
6131
6132 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6133
6134         * graphite.c (dot_all_scops): Update formatting.
6135         Bbs can now be part of more than one SCoP.
6136
6137 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
6138
6139         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
6140         malloc problems.
6141         (loop_domain_dim): Check for unregistered toplev SCOP loop.
6142         * graphite.h (loop_to_cloog_loop): New.
6143
6144 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6145
6146         * graphite.c (loop_domain_dim, ref_nb_loops,
6147         loop_iteration_vector_dim): New.
6148         (build_access_matrix_with_af, build_access_matrix,
6149         initialize_dependence_polyhedron): Fixed for new matrix layout.
6150         No longer assume that all iteration domains are of the same
6151         dimensionality.
6152
6153 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
6154
6155         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
6156         defined in a loop at depth 0 is invariant.
6157         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
6158         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
6159         be called at loop depth 0.
6160
6161         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
6162         a parameter.
6163         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
6164         (down_open_scop): Removed.
6165         (loop_in_scop_p): Redefined.
6166         (scop_affine_expr): New argument: scop.
6167         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
6168         a harmful statement ending a scop.
6169         (basic_block_simple_for_scop_p): New argument: scop.
6170         (get_loop_start): Removed.
6171         (new_scop): Initialize SCOP_LOOPS.
6172         (free_scop): Free SCOP_LOOPS.
6173         (succs_at_same_depth, preds_at_same_depth): New.
6174         (end_scop): Test the validity of a scop.
6175         (add_dominators_to_open_scops): New.
6176         (test_for_scop_bound): Call add_dominators_to_open_scops.
6177         Add cases for opening and closing multiple scops.
6178         (build_scops, build_scop_bbs): Iterate over basic blocks in
6179         depth first order.
6180         (build_graphite_bb): Pass scop directly.
6181         (dfs_bb_in_scop_p): New.
6182         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
6183         several times.
6184         (nb_loops_around_gb): Use loop_in_scop_p.
6185         (schedule_to_scattering): Disabled for the moment the code computing
6186         the "textual order for outer loop".
6187
6188         * graphite.h (struct scop): New field loops.
6189         (SCOP_LOOPS): New.
6190         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
6191
6192         * testsuite/gcc.dg/graphite/scop-{1,...,7}.c: Updated.
6193
6194 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
6195             Sebastian Pop  <sebastian.pop@amd.com>
6196
6197         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
6198         * common.opt (fstreamize-loops): New.
6199         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
6200         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
6201         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
6202         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
6203
6204 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6205
6206         * tree-data-ref.c (build_empty_rdg): New.
6207         (build_rdg): Use it.
6208         * tree-data-ref.h (build_empty_rdg): Declared.
6209         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
6210         (find_vertex_for_stmt): Removed.
6211         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
6212
6213 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
6214
6215         * tree-loop-distribution.c (generate_builtin): After cancelling the
6216         loop tree, also delete basic blocks.
6217         (rdg_flag_uses): Stop recursion when a vertex has already been
6218         processed.
6219
6220 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6221
6222         * graphite.c (build_scop_alpha): Removed.
6223         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
6224         and dump_dependence_graph to avoid compiler warnings.
6225
6226 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6227
6228         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
6229         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
6230         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6231         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
6232         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
6233         (initialize_dependence_polyhedron, find_vertex_for_stmt,
6234         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6235         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
6236         dump_dependence_graph): New.
6237         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
6238         (GBB_ALPHA): New.
6239         (struct scop): New field loop2cloog_loop.
6240         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
6241         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
6242
6243 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6244
6245         * graphite.c (build_graphite_bb): Fix initialization
6246         of the graphite basic block.
6247
6248 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
6249
6250         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
6251         loop domain matrix.  Pass in the number of loops contained in the
6252         constraint matrix.
6253         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
6254         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
6255         loops that are not surrounding the current loop are not represented
6256         in the domain constraint matrix.
6257         (build_scop_iteration_domain): Initial domain constraint matrix
6258         contains only the eq/ineq, cst, and scop parameters columns.
6259
6260 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6261
6262         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
6263         (print_graphite_bb): Print scattering.
6264
6265 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6266
6267         * graphite.c (initialize_cloog_names): Initialize names of
6268         scattering variables.
6269
6270 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6271
6272         * graphite.c (dot_all_scops_1): Disable debug output while
6273         printing graph.
6274
6275 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6276
6277         * graphite.c (find_transform): Change cloog output language to C.
6278
6279 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
6280
6281         * tree-loop-distribution.c (generate_memset_zero,
6282         generate_builtin, generate_code_for_partition,
6283         rdg_flag_all_uses): New.
6284         (rdg_flag_uses): Gather in the same partition the statements defining
6285         the VUSES of the current statement.
6286         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
6287         Gather in the same partition not only the stores to the same memory
6288         access, but also the reads.
6289         (ldist_generate_loops): Renamed ldist_gen.
6290
6291 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6292             Tobias Grosser  <grosser@fmi.uni-passau.de>
6293
6294         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
6295         next pointer, don't use the inner pointer.
6296
6297 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
6298
6299         * graphite.c (dot_all_scops, dot_all_scops_1): New.
6300         (find_transform): Call dot_all_1.
6301         * graphite.h (dot_all_scops): Declared.
6302
6303 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
6304
6305         * tree-loop-distribution.c: Fix apsi.f ICE.
6306         (create_bb_after_loop): New.
6307         (generate_loops_for_partition): Use it.
6308         * testsuite/gfortran.dg/ldist-1.f90: New.
6309
6310         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
6311         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
6312
6313 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6314
6315         * graphite.c (find_transform): Dump cloog program sent to cloog.
6316
6317 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6318
6319         * graphite.c (initialize_cloog_names): Initialize cloog
6320         iterator names.
6321
6322 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6323
6324         * graphite.c (build_scop_context): Fix typo, for the matrix
6325         format: insert '0 >= 0' instead of '-1 >= 0'.
6326
6327 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6328
6329         * Fix merge problems.
6330
6331 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6332
6333         * graphite.c (setup_cloog_loop): Fix typo.
6334
6335 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6336
6337         * doc/invoke.texi (-ftree-loop-distribution): Documented.
6338         * tree-loop-distribution.c: Reimplemented.
6339         * tree-pass.h (pass_loop_distribution): New.
6340         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
6341         print_loops.
6342         * graphds.h (struct graph): New field indexes.
6343         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6344
6345         * tree-vect-analyze.c: Remove declaration of static functions when not
6346         needed.
6347         * tree-vectorizer.c: Same.
6348         (rename_variables_in_loop): Now extern.
6349         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
6350         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
6351         calling redirect_edge_and_branch_force.
6352
6353         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6354
6355         * tree-data-ref.c: Don't include tree-chrec.h.
6356         (debug_data_dependence_relations): New.
6357         (dump_data_dependence_relation): Call dump_data_reference on data refs
6358         in the relation.
6359         (same_access_functions): Moved...
6360         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6361         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6362         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6363         struct rdg_vertex_info, ): New.
6364         (create_rdg_edge_for_ddr): Compute the dependence level before looking
6365         at DDR_REVERSED_P.
6366         (create_rdg_vertices): Initialize the htab of graph->indexes.
6367         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
6368         (stmts_from_loop): Don't save LABEL_EXPR.
6369         (hash_stmt_vertex_info, eq_stmt_vertex_info,
6370         hash_stmt_vertex_del): New.
6371         (build_rdg): Initialize rdg->indexes.
6372         (free_rdg, stores_from_loop, ref_base_address,
6373         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6374         have_similar_memory_accesses_1, ref_base_address_1,
6375         remove_similar_memory_refs): New.
6376
6377         * tree-data-ref.h: Include tree-chrec.h.
6378         (debug_data_dependence_relations): Declared.
6379         (same_access_functions): ...here.  Now static inline.
6380         (ddr_is_anti_dependent, ddrs_have_anti_deps,
6381         ddr_dependence_level): New.
6382         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
6383         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
6384         RDG_MEM_READS_STMT): New.
6385         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6386         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6387         rdg_vertex_for_stmt): Declared.
6388         (struct rdg_edge): New field level.
6389         (RDGE_LEVEL, free_rdg): New.
6390         (stores_from_loop, remove_similar_memory_refs,
6391         rdg_defs_used_in_other_loops_p,
6392         have_similar_memory_accesses): Declared.
6393         (rdg_has_similar_memory_accesses): New.
6394
6395         * lambda.h (dependence_level): New.
6396         * common.opt (ftree-loop-distribution): New.
6397         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
6398         (print_loop_ir): Renamed print_loops.
6399         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
6400         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
6401         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
6402         (tree-loop-distribution.o): Added.
6403         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6404         (mark_virtual_ops_in_bb): New.
6405         (print_loops_bb, debug_loop_num, debug_loop): New.
6406         * passes.c: Scheduled pass_loop_distribution.
6407
6408 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6409
6410         * graphite.c (scan_tree_for_params): Correct the number of columns
6411         for polylib format.
6412         (nb_flat_iterator): New.
6413         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
6414         (build_scop_iteration_domain): Correct the number of columns for
6415         polylib format.
6416
6417 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6418
6419         * Merge from mainline (129697:130800).
6420
6421 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
6422
6423         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
6424         dominated by SCoP's exit.
6425         (graphite_transform_loops): Compute post dominators.
6426
6427 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6428
6429         * Merge from mainline (127169:129697).
6430
6431 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6432
6433         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
6434         parameter for the basic block that contains the expression.  Use
6435         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
6436         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
6437         the expression.
6438         * graphite.h (gbb_loop): New.
6439         (GBB_LOOP): Removed.
6440
6441 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6442
6443         * Makefile.in: Fix merge problem.
6444
6445 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6446
6447         * Merge from mainline (125309:127169).
6448         * tree-loop-distribution.c: Disabled.
6449
6450 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
6451
6452         * Merge from mainline (r123693:125309).
6453
6454 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
6455
6456         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
6457         correct_modify_p
6458         (correct_modify_p, check_statements, number_of_lvalue_uses,
6459         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
6460         instead of MODIFY_EXPR.
6461         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
6462         and push new edges.
6463
6464 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
6465
6466         * tree-loop-distribution.c (struct rdg): Replace arrays by
6467         VECs for edges and vertices.
6468         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
6469         (RDGV_NB_PARTITIONS): New.
6470         (PRDG_NBV, PRDG_NBE): Removed.
6471         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
6472         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
6473         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
6474
6475 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
6476             Sebastian Pop  <sebpop@gmail.com>
6477
6478         * doc/invoke.texi (-ftree-loop-distribution): Document.
6479         * tree-loop-distribution.c: New file.
6480         * tree-pass.h (pass_loop_distribution): Declared.
6481         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6482         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
6483         and set reversed_p.
6484         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
6485         (DDR_REVERSED_P): New.
6486         * common.opt (-ftree-loop-distribution): New.
6487         * tree-flow.h (distribute_loops): Declared.
6488         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
6489         * passes.c (init_optimization_passes): Schedule loop distribution.
6490
6491 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
6492
6493         * graphite.c (print_graphite_bb): Don't call dump_data_references.
6494         (print_scop): Don't print when scop is NULL.
6495         (build_scop_context, find_transform): Don't output to stderr.
6496
6497 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
6498
6499         * tree-data-ref.c: Don't include graphite.h.
6500         Comment out the code for printing data reference's scop.
6501         (build_access_matrix_with_af): Moved...
6502         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
6503         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
6504         (print_graphite_bb): Print basic block's schedule.
6505         (print_scop): Don't print the schedule, call cloog's pretty printer.
6506         (bb_in_scop_p): A basic block is in a scop only if it is both
6507         dominated and postdominated by the scop's entry and exit basic blocks.
6508         (function_parameter_p): New.
6509         (invariant_in_scop_p): Use function_parameter_p.
6510         (new_scop, save_scop): New.
6511         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
6512         save_scop.
6513         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
6514         (loop_in_scop_p): New.
6515         (scop_record_loop): Use loop_in_scop_p.
6516         (build_scop_domain): Renamed build_scop_iteration_domain.
6517         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
6518         nb_params_in_scop, build_scop_context, first_loop_in_scop,
6519         setup_cloog_loop, dot_scop_1, dot_scop): New.
6520         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
6521         (struct scop): Add a pointer to cloog's representation of a program.
6522
6523 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6524
6525         * doc/invoke.texi (-ftree-check-verbose): Renamed
6526         -ftree-checks-verbose.
6527         * common.opt (flag_tree_check_verbose): Renamed
6528         flag_tree_checks_verbose.
6529         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
6530
6531 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6532
6533         * configure: Regenerated.
6534         * config.in: Regenerated.
6535         * tree-ssa-loop.c (graphite_transforms): Execute
6536         graphite_transform_loops only when HAVE_cloog.
6537         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
6538         * graphite.c: Include polylibgmp.h and cloog.h.
6539         (graphite_transform_loops): Removed loops parameter.
6540         * tree-flow.h (graphite_transform_loops): Update declaration.
6541         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
6542         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
6543         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
6544         (OBJS-common): Remove dependence on graphite.o.
6545         (BACKEND): Depend on @GRAPHITE@.
6546
6547 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
6548
6549         * doc/invoke.texi (-ftree-check-verbose): Documented.
6550         * testsuite/gcc.dg/tree-checker/tree-checks-1.c: New.
6551         * testsuite/gcc.dg/tree-checker/tree-checks-2.c: New.
6552         * testsuite/gcc.dg/tree-checker/tree-checks-3.c: New.
6553         * testsuite/gcc.dg/tree-checker/tree-checks-4.c: New.
6554         * testsuite/gcc.dg/tree-checker/tree-checks.exp: New.
6555         * testsuite/gcc.dg/tree-checker/condates.crp: New.
6556         * common.opt (ftree-checks-verbose): New.
6557         * tree-check.c (tree_check_warning): Move extra stderr output
6558         under control of flag_tree_check_verbose.
6559
6560 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
6561
6562         * tree-match.c: Fix comments formatting.
6563         * tree-match.h: Fix comments formatting.
6564         * tree-check.c: Fix comments formatting.
6565         (tree_check_init): Restructure.
6566
6567 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
6568
6569         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
6570
6571 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
6572
6573         * Merge from mainline (r120733:123693).
6574
6575 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
6576
6577         * condate.y: New file.
6578         * tree-match.h (struct patt_info_s): New field sign.
6579         (struct condate_s): New field msg.
6580         (normalize_condate, name_condate, add_condate): New.
6581         (conds[], condate_parse): Made extern.
6582         * tree-check.c (tree_check_warning): First arg changed to cond;
6583         warning reformatted.
6584         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
6585         (tree_scan): New.
6586         (tree_check): Process trivial condates.
6587         (read_delimited_string): Removed.
6588         (print_cond): Print name and msg.
6589         (conds[]): Made extern.
6590         (parse_tree_check_file_once): Rewritten to use the parser in
6591         condate.y.
6592         Processing of option --tree_check_string moved to tree_scan().
6593         * Makefile.in: Added condate.y
6594
6595 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
6596
6597         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
6598         Use VECs instead of varrays.
6599         * diagnostic.h (lazy_dump_generic_node): Update declaration.
6600         * Makefile.in (pretty-print.o): Depend on vec.h.
6601         * pretty-print.c: Include tree.h and vec.h.
6602         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
6603         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
6604         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
6605         pp_free_list): Use VECs instead of varrays.
6606         * pretty-print.h: Do not include varray.h.
6607         (struct tree_chunk_s): Declaration moved before its use.
6608         (output_buffer): Rename varray field to chunks.
6609         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
6610         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
6611         save_global_holes): Use VECs instead of varrays.
6612         * tree-match.h: Declare VECs of cfg_node, and hole_p.
6613         * tree-check.c (scan_cfg_stmts, push_node,
6614         print_matching_stmt): Removed.
6615         (tree_check_instance, push_global_holes_if_new, tree_check,
6616         execute_tree_check): Use VECs instead of varrays.
6617         (gate_tree_check): Don't execute the CFG check when basic_block_info
6618         is not available.
6619
6620 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6621
6622         * Merge from mainline (r115016:120733).
6623
6624 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6625
6626         * Merge from mainline (r117632:117661).
6627
6628 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6629
6630         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
6631         * tree-pass.h (TDF_DEBUG, debug_p): New.
6632         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
6633         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
6634         get_loop_exit_condition, analyze_evolution_in_loop,
6635         analyze_initial_condition, analyze_scalar_evolution,
6636         instantiate_parameters, number_of_latch_executions): Use debug_p.
6637         * tree-chrec.c (chrec_apply): Use debug_p.
6638         * tree-data-ref.c: Include graphite.h.
6639         (dump_data_reference): Print also the access matrix.
6640         (analyze_array, analyze_indirect_ref, init_data_ref,
6641         analyze_offset_expr, address_analysis, object_analysis,
6642         create_data_ref, finalize_ddr_dependent,
6643         non_affine_dependence_relation, analyze_ziv_subscript,
6644         analyze_siv_subscript_cst_affine,
6645         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6646         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
6647         analyze_miv_subscript, analyze_overlapping_iterations,
6648         build_classic_dist_vector, subscript_dependence_tester,
6649         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
6650         (build_access_matrix_with_af): No longer static.
6651         * tree-data-ref.h (scop_p): ... declaration here.
6652         (data_reference.scop): New field.
6653         (DR_SCOP, DR_ACCESS_MATRIX): New.
6654         (build_access_matrix_with_af, dr_num_subscripts): Declared.
6655         * graphite.c (print_graphite_bb): Call dump_data_references.
6656         (print_scop): Use scop_nb_loops and scop_dim_domain.
6657         (test_for_scop_bound): Use debug_p.
6658         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
6659         scop_nb_params.
6660         (scop_loop_index): Moved...
6661         (scop_record_loop): New.
6662         (build_scop_loop_nests): Use scop_record_loop.
6663         (build_scop_domain): Use scop_dim_domain.
6664         (build_access_matrix): Implemented.
6665         (build_scop_canonical_schedules): Use scop_nb_loops.
6666         (build_graphite_bb): Initialize GBB_SCOP.
6667         * graphite.h (scop_p): Moved...
6668         (graphite_bb.scop): New field.
6669         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
6670         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
6671         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
6672         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
6673         scop_loop_index): New.
6674         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
6675
6676 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
6677
6678         * Merge from mainline (r117661:120450).
6679
6680 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
6681
6682         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
6683         at the first declaration outside the varying loop, instantiate as
6684         far as possible.
6685         * tree-chrec.c (for_each_scev_op): New.
6686         * tree-chrec.h (for_each_scev_op): Declared.
6687         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
6688         * tree-data-ref.c (get_references_in_stmt,
6689         find_data_references_in_stmt): New, from trunk.
6690         (find_data_references_in_loop): Use get_references_in_stmt
6691         and find_data_references_in_loop, modified as in trunk.
6692         (build_access_matrix_with_af): New.
6693         * tree-data-ref.h (data_reference): Add a field access_matrix.
6694         (data_ref_loc): New, as in trunk.
6695         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
6696         invariant_in_scop_p, param_index, scan_tree_for_params,
6697         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
6698         idx_record_param, idx_record_params, build_access_matrix,
6699         build_scop_data_accesses, build_scop_canonical_schedules,
6700         build_graphite_bb, build_scop_bbs, find_params_in_bb,
6701         build_scop_params): New.
6702         * graphite.h (graphite_bb): New.
6703         (scop): Add fields static_schedule, params, loop_nest,
6704         iteration_domain.
6705         * lambda.h: Declare vecs of lambda_matrix.
6706         * tree-flow.h (print_loop_ir_bb): Declared.
6707         * tree-cfg.c (print_loop_ir_bb): New.
6708         (print_loop): Use print_loop_ir_bb.
6709
6710 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
6711
6712         * Merge from mainline (r115016:117632).
6713
6714 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
6715
6716         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
6717         break due to a warning.
6718
6719 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
6720
6721         * graphite.c (print_scops, debug_scops): New.
6722         (graphite_transform): Renamed graphite_find_transform.
6723         * graphite.h (debug_scops): Declared.
6724
6725 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
6726
6727         * tree-match.c: Reformat following the GNU style.
6728         * tree-match.h: Reformat following the GNU style.
6729         * tree-pattern.h: Removed empty file.
6730         * Makefile.in: Remove references to tree-pattern.h.
6731         * tree-check.c: Reformat following the GNU style.
6732         (execute_tree_check): Move gate condition code to...
6733         (gate_tree_check): ...here.  New function.
6734         (pass_check): Use the gate function.
6735
6736 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
6737
6738         * tree-pattern.h: New. Tree pattern matching and checking using
6739         concrete syntax.
6740         * tree-check.c: New. Tree/CFG checking pass.
6741         * tree-match.c: New. Library for tree pattern matching.
6742         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
6743         * toplev.c, flags.h: Add globals for tree-check pass.
6744         * Makefile.in: Integrate the files in tree-check pass.
6745         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
6746         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
6747         Introduce a "lazy" pretty-print mode.
6748         * tree.c, tree.h: Add tree_name.
6749
6750 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
6751
6752         * doc/invoke.texi (-fgraphite): Correct typo.
6753         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
6754         use of print_loop_ir.
6755         * testsuite/gcc.dg/graphite/scop-1.c: New.
6756         * testsuite/gcc.dg/graphite/scop-2.c: New.
6757         * testsuite/gcc.dg/graphite/graphite.exp: New.
6758         * graphite.c: Include domwalk.h.
6759         (print_scop): Print only the entry and exit blocks.
6760         (debug_scop): No longer static.
6761         (affine_expr): Fix formating.  Return also true when the expression is
6762         constant.
6763         (stmt_simple_for_scop_p): Fix formating.
6764         (build_scops): Use domwalk.
6765         (get_loop_start, end_scop, test_for_scop_bound): New.
6766         (graphite_transform_loops): Avoid printing on stderr.
6767         * graphite.h (debug_scop): Declared.
6768         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
6769         * Makefile.in (graphite.o): Depend on domwalk.h.
6770         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
6771         declarations for static functions.
6772         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
6773         controlling output verbosity.
6774
6775 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
6776             Plesco Alexandru  <shurikx@gmail.com>
6777
6778         * doc/invoke.texi (-fgraphite): Document.
6779         * tree-pass.h (pass_graphite_transforms): Declared.
6780         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
6781         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
6782         (pass_graphite_transforms): Defined.
6783         * tree-data-ref.c (free_data_ref, data_reference): Extern.
6784         * tree-data-ref.h (free_data_ref, data_reference): Declared.
6785         * graphite.c, graphite.h: New.
6786         * common.opt (fgraphite): Declared.
6787         * tree-flow.h (graphite_transform_loops): Declared.
6788         * Makefile.in (OBJS-common): Add graphite.o.
6789         (graphite.o): New rule.
6790         * passes.c (pass_graphite_transforms): Scheduled.
6791