gcc/ChangeLog.graphite

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