gcc/ChangeLog.graphite

   1 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-poly.c (print_scattering_function_1): New.
   4         (print_scattering_function): Call it.
   5         (print_scop_params): Remove spaces at the end of lines.
   6         (print_cloog): New.
   7         (debug_cloog): New.
   8         * graphite-poly.h (print_cloog): Declared.
   9         (debug_cloog): Declared.
  10
  11 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
  12
  13         * tree-ssa-copy.c: Revert this previous change:
  14         (init_copy_prop): Loop closed phi nodes cancontain more than one
  15         argument.
  16         (execute_copy_prop): Revert the previous change: do not call
  17         rewrite_into_loop_closed_ssa.
  18
  19 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
  20             Richard Guenther  <rguenther@suse.de>
  21
  22         PR middle-end/43464
  23         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
  24         contain more than one argument.
  25         (execute_copy_prop): Revert the previous change: do not call
  26         rewrite_into_loop_closed_ssa.
  27
  28         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
  29         * gcc.dg/graphite/id-pr43464-1.c: New.
  30
  31 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
  32
  33         PR middle-end/43464
  34         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
  35         and verify_loop_closed_ssa when copy prop is executed in the LNO.
  36
  37         * gcc.dg/graphite/id-pr43464.c: New.
  38
  39 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
  40
  41         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
  42         in loop->header.
  43         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
  44         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
  45         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
  46         to switch between adding the IV bump in loop->latch or in loop->header.
  47
  48 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
  49
  50         * passes.c (init_optimization_passes): Add pass_copy_prop
  51         after Graphite.
  52
  53 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
  54
  55         * graphite-poly.c (print_scattering_function): Pretty print following
  56         the scoplib format.
  57         (print_pdr): Same.
  58         (print_pbb_domain): Same.
  59         (dump_gbb_cases): Same.
  60         (dump_gbb_conditions): Same.
  61         (print_pdrs): Same.
  62         (print_pbb): Same.
  63         (print_scop_params): Same.
  64         (print_scop_context): Same.
  65         (print_scop): Same.
  66         (print_pbb_body): New.
  67         (lst_indent_to): New.
  68         (print_lst): Start new lines with a #.
  69         * graphite-poly.h (pbb_bb): New.
  70         (pbb_index): Use pbb_bb.
  71         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
  72         disjuncts.
  73         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
  74
  75 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
  76
  77         PR middle-end/43351
  78         * gcc.dg/graphite/id-pr43351.c
  79
  80 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
  81
  82         PR middle-end/43354
  83         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
  84         call insert_out_of_ssa_copy for default definitions.
  85         * gfortran.dg/graphite/id-pr43354.f: New.
  86
  87 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
  88
  89         PR middle-end/43349
  90         * gfortran.dg/graphite/pr43349.f: New.
  91
  92 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
  93
  94         * graphite-clast-to-gimple.c (my_long_long): Defined.
  95         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
  96         * graphite-sese-to-poly.c (my_long_long): Defined.
  97         (scop_ivs_can_be_represented): Use it.
  98
  99 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
 100
 101         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
 102         graphite-max-bbs-per-function, and loop-block-tile-size.
 103         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
 104         with "maximum".
 105         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
 106
 107 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
 108
 109         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
 110         forward declaration.
 111         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
 112         (add_upper_bounds_from_estimated_nit): New.
 113         (build_loop_iteration_domains): Use it.
 114
 115 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 116
 117         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
 118
 119 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 120
 121         PR middle-end/43306
 122         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
 123         should be an INTEGER_CST.  Also handle CASE_CONVERT.
 124         * gcc.dg/graphite/pr43306.c: New.
 125
 126 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 127
 128         * graphite.c (graphite_initialize): To bound the number of bbs per
 129         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
 130         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
 131         * doc/invoke.texi: Document it.
 132
 133 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 134
 135         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
 136         * graphite-sese-to-poly.h (build_poly_scop): Same.
 137
 138 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 139
 140         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
 141         the number of parameters in the scop.  Use as an upper bound
 142         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
 143         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
 144         * doc/invoke.texi: Document it.
 145
 146 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 147
 148         * graphite-sese-to-poly.c (add_param_constraints): Use
 149         lower_bound_in_type and upper_bound_in_type.
 150
 151 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 152
 153         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
 154         instead of unsigned_type_node.
 155
 156 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 157             Reza Yazdani  <reza.yazdani@amd.com>
 158
 159         PR middle-end/43065
 160         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
 161         on pointer type parameters.
 162
 163         * gcc.dg/graphite/run-id-4.c: New.
 164
 165 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 166
 167         PR middle-end/43065
 168         * gcc.dg/graphite/run-id-3.c: New.
 169
 170 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
 171             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 172
 173         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
 174         handle conversions from pointer to integers.
 175         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
 176         induction variable, to be able to work with code generated by CLooG.
 177         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
 178         (build_poly_scop): Bail out if we cannot codegen a loop.
 179
 180 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
 181
 182         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
 183         code generation with gloog_error.
 184
 185 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 186
 187         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
 188         Call fold_convert on all the returned values.
 189         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
 190         the type of the resulting expression.
 191
 192 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 193
 194         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
 195         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
 196         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
 197
 198 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 199
 200         * graphite-dependences.c (map_into_dep_poly): Removed.
 201         (dependence_polyhedron_1): Use combine_context_id_scat.
 202
 203 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 204
 205         * graphite-poly.h (struct poly_scattering): Add layout documentation.
 206         (struct poly_bb): Same.
 207         (combine_context_id_scat): New.
 208
 209 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
 210
 211         PR middle-end/42326
 212         * sese.c (name_defined_in_loop_p): Return false for default
 213         definitions.
 214
 215         * gcc.dg/graphite/pr42326.c: New.
 216
 217 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 218
 219         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
 220         and clean up the logic.
 221
 222 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 223
 224         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
 225         early return.
 226
 227 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 228
 229         PR middle-end/43083
 230         * graphite-scop-detection.c (create_single_exit_edge): Move
 231         the call to find_single_exit_edge to....
 232         (create_sese_edges): ...here.  Don't handle multiple edges
 233         exiting the function.
 234         (build_graphite_scops): Don't handle multiple edges
 235         exiting the function.
 236
 237         * gcc.dg/graphite/pr43083.c: New.
 238
 239 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 240
 241         PR middle-end/43097
 242         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
 243         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
 244
 245         * gfortran.dg/graphite/pr43097.f: New.
 246
 247 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 248             Manuel López-Ibáñez  <manu@gcc.gnu.org>
 249
 250         PR middle-end/43140
 251         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
 252
 253 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 254
 255         PR middle-end/43026
 256         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
 257
 258         * g++.dg/graphite/pr43026.C: New.
 259
 260 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
 261
 262         * Merge from mainline (154736:156693).
 263
 264 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
 265
 266         PR middle-end/43012
 267         * gcc.dg/graphite/pr43012.c: New.
 268
 269 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 270
 271         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
 272 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 273
 274         * g++.dg/graphite/pr42930.C: New.
 275
 276 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 277
 278         PR middle-end/42930
 279         * graphite-scop-detection.c (graphite_can_represent_scev): Call
 280         graphite_can_represent_init for MULT_EXPR.
 281
 282 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 283
 284         PR middle-end/42914
 285         PR middle-end/42530
 286         * graphite-sese-to-poly.c (remove_phi): New.
 287         (translate_scalar_reduction_to_array): Call remove_phi.
 288
 289         * gcc.dg/graphite/pr42530.c: New.
 290         * gcc.dg/graphite/pr42914.c: New.
 291
 292 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 293
 294         PR middle-end/42771
 295         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
 296         * graphite-clast-to-gimple.h (gloog): Update declaration.
 297         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
 298         * graphite-poly.h (struct poly_bb): Add missing comments.
 299         (struct scop): Add poly_scop_p field.
 300         (POLY_SCOP_P): New.
 301         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
 302         * graphite.c (graphite_transform_loops): Build the polyhedral
 303         representation for each scop before code generation.
 304         * sese.c (rename_variables_in_operand): Removed.
 305         (rename_variables_in_expr): Return the renamed expression.
 306         (rename_sese_parameters): New.
 307         * sese.h (rename_sese_parameters): Declared.
 308
 309         * gcc.dg/graphite/pr42771.c: New.
 310
 311 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 312
 313         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
 314         return 0 from main.
 315         * gcc.dg/graphite/block-1.c: Same.
 316         * gcc.dg/graphite/block-3.c: Same.
 317         * gcc.dg/graphite/block-4.c: Same.
 318         * gcc.dg/graphite/block-5.c: Same.
 319         * gcc.dg/graphite/block-6.c: Same.
 320         * gcc.dg/graphite/block-7.c: Same.
 321         * gcc.dg/graphite/interchange-0.c: Same.
 322         * gcc.dg/graphite/interchange-1.c: Same.
 323         * gcc.dg/graphite/interchange-10.c: Same.
 324         * gcc.dg/graphite/interchange-11.c: Same.
 325         * gcc.dg/graphite/interchange-12.c: Same.
 326         * gcc.dg/graphite/interchange-2.c: Same.
 327         * gcc.dg/graphite/interchange-3.c: Same.
 328         * gcc.dg/graphite/interchange-4.c: Same.
 329         * gcc.dg/graphite/interchange-5.c: Same.
 330         * gcc.dg/graphite/interchange-6.c: Same.
 331         * gcc.dg/graphite/interchange-7.c: Same.
 332         * gcc.dg/graphite/interchange-8.c: Same.
 333         * gcc.dg/graphite/interchange-9.c: Same.
 334         * gcc.dg/graphite/interchange-mvt.c: Same.
 335
 336 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 337
 338         * gfortran.dg/graphite/id-19.f: New.
 339         * gfortran.dg/graphite/pr14741.f90: New.
 340         * gfortran.dg/graphite/pr41924.f90: New.
 341         * gfortran.dg/graphite/run-id-2.f90: New.
 342
 343 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 344
 345         PR middle-end/42988
 346         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
 347         to unknown_dependence.
 348         (graphite_legal_transform_dr): Handle the unknown_dependence.
 349         (graphite_carried_dependence_level_k): Same.
 350
 351 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 352
 353         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
 354
 355 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
 356             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 357
 358         PR middle-end/42637
 359         * graphite-dependences.c (build_lexicographical_constraint): Return
 360         a union of dependence polyhedra.
 361         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
 362
 363         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
 364         * gcc.dg/graphite/block-4.c: Same.
 365         * gcc.dg/graphite/block-7.c: Same.
 366         * gcc.dg/graphite/interchange-12.c: Same.
 367         * gcc.dg/graphite/interchange-mvt.c: Same.
 368         * gfortran.dg/graphite/interchange-1.f: XFAILed.
 369         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
 370         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
 371
 372 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 373
 374         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
 375         the execution check to FAIL.  This testcase is miscompiled by Graphite
 376         and the check should be re-enabled.
 377         * gcc.dg/graphite/interchange-mvt.c: Same.
 378         * gcc.dg/graphite/block-0.c: Same.
 379         * gcc.dg/graphite/block-4.c: Same.
 380         * gcc.dg/graphite/block-7.c: Same.
 381
 382 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 383
 384         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
 385         * gcc.dg/graphite/scop-0.c: Fix spaces.
 386         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
 387         * gfortran.dg/graphite/block-2.f: Same.
 388         * gfortran.dg/graphite/block-3.f90: Same.
 389         * gfortran.dg/graphite/block-4.f90: Same.
 390         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
 391         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
 392
 393 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 394
 395         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
 396         PDDR_ORIGINAL_SCATTERING_P.
 397         (pddr_is_empty): Rewritten.
 398         (print_dependence_polyhedron_layout): New.
 399         (print_pddr): New.
 400         (debug_pddr): New.
 401         (build_alias_set_powerset): Moved up.
 402         (poly_drs_may_alias_p): Moved up.
 403         (lexicographically_gt_p): Removed.
 404         (build_lexicographically_gt_constraint): Renamed
 405         build_lexicographical_constraint, reimplemented.
 406         (dependence_polyhedron_1): Simplified parameters.
 407         (dependence_polyhedron): Same.  Keep along empty PDDRs
 408         to make efficient use of the cache.
 409         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
 410         (graphite_legal_transform_dr): Rewritten.
 411         (graphite_legal_transform_bb): Pass fewer arguments to
 412         graphite_legal_transform_dr.
 413         (graphite_carried_dependence_level_k): Simplified implementation.
 414         (dot_original_deps_stmt_1): Call dependence_polyhedron.
 415         (dot_transformed_deps_stmt_1): Same.
 416         (dot_original_deps): Same.
 417         (dot_transformed_deps): Same.
 418         * graphite-dependences.h (struct poly_ddr): Added a new field
 419         original_scattering_p.
 420         (PDDR_ORIGINAL_SCATTERING_P): New.
 421         (print_pddr): Declared.
 422         (debug_pddr): Declared.
 423         * graphite-ppl.c: Clarify comment.
 424         * sese.h (print_gimple_bb): Removed unused declaration.
 425         (debug_gbb): Same.
 426
 427 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 428
 429         * g++.dg/graphite/graphite.exp: Rewritten.
 430         * gcc.dg/graphite/graphite.exp: Rewritten.
 431         * gfortran.dg/graphite/graphite.exp: Rewritten.
 432         * gcc.dg/graphite/block-0.c: Added runtime test.
 433         * gcc.dg/graphite/block-1.c: Same.
 434         * gcc.dg/graphite/block-3.c: Same.
 435         * gcc.dg/graphite/block-4.c: Same.
 436         * gcc.dg/graphite/block-5.c: Same.
 437         * gcc.dg/graphite/block-6.c: Same.
 438         * gcc.dg/graphite/block-7.c: Same.
 439         * gcc.dg/graphite/interchange-0.c: Same.
 440         * gcc.dg/graphite/interchange-1.c: Same.
 441         * gcc.dg/graphite/interchange-10.c: Same.
 442         * gcc.dg/graphite/interchange-11.c: Same.
 443         * gcc.dg/graphite/interchange-12.c: Same.
 444         * gcc.dg/graphite/interchange-2.c: Same.
 445         * gcc.dg/graphite/interchange-3.c: Same.
 446         * gcc.dg/graphite/interchange-4.c: Same.
 447         * gcc.dg/graphite/interchange-5.c: Same.
 448         * gcc.dg/graphite/interchange-6.c: Same.
 449         * gcc.dg/graphite/interchange-7.c: Same.
 450         * gcc.dg/graphite/interchange-8.c: Same.
 451         * gcc.dg/graphite/interchange-9.c: Same.
 452         * gcc.dg/graphite/interchange-mvt.c: Same.
 453         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
 454
 455 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 456
 457         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
 458           background.
 459
 460 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 461
 462         * common.opt: Add -fgraphite-cloog-opts.
 463         * graphite-clast-to-gimple.c (set_cloog_options): Same.
 464         * opts.c (decode_options): Same.
 465
 466 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 467
 468         * gcc.dg/graphite/id-17.c: New.
 469         * gcc.dg/graphite/pr41888.c: New.
 470         * gcc.dg/graphite/scop-22.c: New.
 471         * gfortran.dg/graphite/pr40982.f90: New.
 472
 473 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 474
 475         * graphite-dependences.c: Clarify comments.
 476         (build_pddr): Add an extra parameter direction.
 477         (graphite_legal_transform_dr): Use build_pddr.
 478         (dot_original_deps_stmt_1): Update use of build_pddr.
 479         (dot_transformed_deps_stmt_1): Same.
 480         (dot_original_deps): Same.
 481         (dot_transformed_deps): Same.
 482
 483         * gcc.dg/graphite/interchange-12.c: New.
 484         * gcc.dg/graphite/block-7.c: New.
 485
 486 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 487
 488         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
 489         (pddr_transformed_scattering): Removed.
 490         (graphite_legal_transform_dr): Use build_pddr.
 491         (dot_original_deps_stmt_1): Same.
 492         (dot_transformed_deps_stmt_1): Same.
 493         (dot_original_deps): Same.
 494         (dot_transformed_deps): Same.
 495
 496 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 497
 498         * graphite-dependences.c (lexicographically_gt_p): Add comments.
 499         (build_lexicographically_gt_constraint): Same.
 500         (dependence_polyhedron_1): Same.
 501         (dependence_polyhedron): Same.
 502
 503 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 504
 505         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
 506         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
 507         (lexicographically_gt_p): Change type of direction to int.
 508         (build_lexicographically_gt_constraint): Same.
 509         (dependence_polyhedron_1): Same.
 510         (dependence_polyhedron): Same.
 511         (pddr_original_scattering): Use integers for direction.
 512         (pddr_transformed_scattering): Same.
 513         (graphite_legal_transform_dr): Same.
 514         (graphite_carried_dependence_level_k): Same.
 515
 516 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 517
 518         * graphite-dependences.c (build_pairwise_constraint): Renamed
 519         ppl_build_relation.  Moved...
 520         (dr_equality_constraints): Use ppl_build_relation.
 521         (build_pairwise_scheduling_equality): Same.
 522         (build_pairwise_scheduling_inequality): Same.
 523         * graphite-ppl.c (ppl_build_relation): ...here.
 524         * graphite-ppl.h (ppl_build_relation): Declared.
 525
 526 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 527
 528         PR middle-end/42681
 529         * graphite-clast-to-gimple.c (gloog_error): New static variable.
 530         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
 531         Set gloog_error when such an expression failed to be built.
 532         (translate_clast): Early return when gloog_error is set.
 533         (gloog): Clear gloog_error.  When gloog_error is set, call
 534         set_ifsese_condition to enable the original code.  Return the status
 535         of the code generation based on gloog_error.
 536         * sese.c (set_ifsese_condition): New.
 537         * sese.h (set_ifsese_condition): Declared.
 538
 539         * g++.dg/graphite/pr42681.C: New.
 540
 541 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 542
 543         PR middle-end/42732
 544         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
 545         rename_nb_iterations.
 546         * sese.c (rename_variables_in_operand): New.
 547         (rename_variables_in_expr): New.
 548         (rename_nb_iterations): New.
 549         (sese_adjust_liveout_phis): Update the rename_map.
 550         * sese.h (rename_nb_iterations): Declared.
 551         * tree-scalar-evolution.c (scev_reset_htab): New.
 552         (scev_reset): Call scev_reset_htab.
 553         * tree-scalar-evolution.h (scev_reset_htab): Declared.
 554
 555         * gfortran.dg/graphite/pr42732.f: New.
 556
 557 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 558
 559         PR middle-end/42393
 560         * graphite-clast-to-gimple.c: Fix formatting.
 561         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
 562         (expr_defined_in_loop_p): New.
 563         (add_loop_exit_phis): Also handle full expressions: remove from
 564         the rename_map the expressions defined in the loop that we're closing.
 565
 566         * gfortran.dg/graphite/pr42393-1.f90: New.
 567         * gfortran.dg/graphite/pr42393.f90: Add new flags
 568         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
 569         make this testcase useful in the Graphite branch.
 570
 571 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 572
 573         * graphite-scop-detection.c (exclude_component_ref): Removed.
 574         (is_simple_operand): Removed.
 575         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
 576
 577 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 578
 579         PR middle-end/42221
 580         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 581         the array indexing of ADDR_EXPRs.
 582
 583         * gcc.dg/graphite/pr42221.c: New.
 584
 585 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 586
 587         PR middle-end/42521
 588         * graphite.c (graphite_finalize): Call scev_reset.
 589         (graphite_transform_loops): Do not call scev_reset between the code
 590         generation of scops.
 591
 592         * gcc.dg/graphite/pr42521.c: New.
 593
 594 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 595
 596         * graphite-interchange.c (memory_stride_in_loop): Renamed
 597         pdr_stride_in_loop.
 598         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
 599         (memory_strides_in_loop): Memoize the memory strides per loop.
 600         (lst_interchange_profitable_p): Do not initialize to zero the memory
 601         strides.
 602         * graphite-poly.h (struct lst): Add a field memory_strides.
 603         (LST_LOOP_MEMORY_STRIDES): New.
 604         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
 605         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
 606
 607 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 608
 609         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
 610         memory_strides_in_loop.  Gather memory strides on a whole loop.
 611         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
 612         (lst_interchange_profitable_p): Removed.
 613         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
 614
 615 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 616
 617         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 618         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 619         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 620         Remove context_loop and level.
 621
 622 2010-01-07  Richard Guenther  <rguenther@suse.de>
 623
 624         PR tree-optimization/42641
 625         * sese.c (rename_map_elt_info): Use the SSA name version, do
 626         not hash pointers.
 627
 628 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 629
 630         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
 631         blocked" only when both the strip mine and the interchange have
 632         been applied.
 633
 634         * gcc.dg/graphite/block-2.c: Removed.
 635         * gcc.dg/graphite/block-3.c: Add scan pattern.
 636         * gcc.dg/graphite/block-4.c: Same.
 637         * gcc.dg/graphite/block-5.c: Same.
 638         * gcc.dg/graphite/block-6.c: Same.
 639
 640 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 641
 642         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
 643         before allocating a new one.
 644         (copy_renames): Check that slot is not NULL.
 645         (mark_bb_with_pbb): Same.
 646         (compute_cloog_iv_types_1): Same.
 647         * graphite-interchange.c (lst_perfect_nestify): Free the before,
 648         nest, and after LSTs.
 649         (lst_try_interchange_loops): Same.
 650
 651 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
 652
 653         PR middle-end/42178
 654         * graphite-interchange.c (lst_try_interchange_loops): Do not return
 655         the before, nest, and after LSTs.
 656         (lst_try_interchange): Removed.
 657         (lst_interchange_select_inner): Do not iterate over the LSTs if they
 658         were modified.
 659         (lst_interchange_select_outer): Apply interchange on the outer loop
 660         until there are no more changes in the inner loops.
 661
 662 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 663
 664         Revert patch fixing PR middle-end/42221.
 665
 666 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 667
 668         PR middle-end/42180
 669         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
 670         GIMPLE_CALL.
 671
 672         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
 673
 674 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 675
 676         PR middle-end/42180
 677         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
 678         that contain only one statement.
 679
 680         * gfortran.dg/graphite/pr42180.f90: New.
 681
 682 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 683
 684         PR middle-end/42393
 685         * gfortran.dg/graphite/pr42393.f90: New.
 686
 687 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 688
 689         PR middle-end/42186
 690         * gfortran.dg/graphite/pr42186.f90: New.
 691
 692 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 693
 694         PR middle-end/42205
 695         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
 696         Insert the reduction copy in the same block as the phi node.
 697         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
 698
 699         * gcc.dg/graphite/pr42205-1.c: New.
 700         * gcc.dg/graphite/pr42205-2.c: New.
 701
 702 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 703
 704         PR middle-end/42221
 705         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 706         the array indexing of ADDR_EXPRs.
 707
 708         * gcc.dg/graphite/pr42221.c: New.
 709
 710 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 711
 712         PR middle-end/42178
 713         PR middle-end/42334
 714         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
 715         index.  Call lst_interchange_select_inner only once.
 716         (lst_interchange_select_inner): Update use of lst_try_interchange.
 717         (lst_interchange_select_outer): Update.
 718
 719 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 720
 721         PR middle-end/42178
 722         PR middle-end/42334
 723         * graphite-interchange.c (lst_try_interchange): Do not increment the
 724         the OUTER index when there is no AFTER kernel.  Do not increment the
 725         OUTER index for after processing the AFTER kernel.
 726         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
 727         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
 728         index.  Do not pass to lst_interchange_select_inner the OUTER index.
 729         (scop_do_interchange): Update use of lst_interchange_select_outer.
 730
 731         * gfortran.dg/graphite/graphite.exp
 732         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
 733         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
 734         the graphite dump file.
 735         * gfortran.dg/graphite/interchange-2.f: Same.
 736         * gfortran.dg/graphite/pr42334-1.f: New.
 737
 738 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 739
 740         PR middle-end/42178
 741         PR middle-end/42334
 742         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
 743         that are empty.
 744         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
 745         (lst_try_interchange): Reimplemented.
 746         (lst_interchange_select_inner): Same.
 747         (lst_do_interchange): Renamed lst_interchange_select_outer.
 748         Reimplemented.
 749         (scop_do_interchange): Update use of lst_interchange_select_outer.
 750
 751         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
 752         * gcc.dg/graphite/block-0.c: Un-XFAILed.
 753         * gcc.dg/graphite/pr42211.c: New.
 754         * gfortran.dg/graphite/pr42334.f90: New.
 755
 756 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
 757
 758         PR middle-end/42181
 759         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
 760         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
 761
 762         * gfortran.dg/graphite/pr42181.f90: New.
 763
 764 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
 765
 766         PR middle-end/42284
 767         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
 768         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
 769         (detect_commutative_reduction_arg): Simplified.
 770         (detect_commutative_reduction): Early return when the argument of
 771         the close phi is not of an SSA_NAME.
 772
 773         * gcc.dg/graphite/pr42284.c: New.
 774
 775 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
 776
 777         * dbgcnt.def (graphite_scop): New counter.
 778         * graphite.c: Include dbgcnt.h
 779         (graphite_transform_loops): Use new counter to limit transformations.
 780
 781 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
 782
 783         PR middle-end/42285
 784         * graphite-scop-detection.c (graphite_can_represent_init): Also
 785         handle more complex MULT_EXPRs containing parameters by recursion
 786         on the structure.
 787
 788         * gfortran.dg/graphite/pr42285.f90: New.
 789
 790 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
 791
 792         * g++.dg/graphite/pr42130.C: Fix type.
 793
 794 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
 795
 796         * g++.dg/graphite/pr42130.C: Correct testcase.
 797
 798 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
 799
 800         * Merge from mainline (154493:154734).
 801
 802 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
 803
 804         * Merge from mainline (151362:154491).
 805
 806 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 807
 808         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
 809         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
 810
 811 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 812
 813         PR middle-end/42130
 814         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
 815         translate_clast_for_loop): New.
 816         (translate_clast_for): Add a condition around the loop, to do not
 817         execute loops with zero iterations.
 818         * g++.dg/graphite/pr42130.C: New.
 819         * gcc.dg/graphite/pr35356-2.c: Adapt.
 820
 821 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 822
 823         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 824         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 825         Remove context_loop and level.
 826
 827 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 828
 829         * graphite-clast-to-gimple.c (translate_clast_user,
 830         translate_clast_for, translate_clast_guard): Simplify and move common
 831         elements to translate_clast().
 832         (translate_clast): Simplify and get common elements.
 833
 834 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 835
 836         * graphite-clast-to-gimple.c (translate_clast_user,
 837         translate_clast_for, translate_clast_guard): Split out of
 838         translate_clast.
 839
 840 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
 841
 842         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
 843         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
 844         debug_clast_name_indexes_1, debug_clast_name_indexes,
 845         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
 846         (clast_name_to_gcc, clast_to_gcc_expression,
 847         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
 848         gcc_type_for_clast_eq, graphite_translate_clast_equation,
 849         graphite_create_guard_cond_expr, graphite_create_new_loop,
 850         translate_clast): Add params_index.
 851         (initialize_cloog_names): Create parameter strings from scratch, do
 852         not reference other strings.
 853         (create_params_index): New.
 854         (gloog): Initialize params_index.
 855         * graphite-scop-detection (free_scops_1): Removed.
 856         (limit_scops): Use normal free_scops.
 857         * graphite-sese-to-poly.c (save_var_names): Removed.
 858         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
 859         and SESE_PARAMS_INDEX.
 860         * sese.c (new_sese, free_sese): Dito.
 861         * sese.h (struct sese): Remove params_index, params_names.
 862         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
 863
 864 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 865
 866         Revert the following patch from 2009-09-14:
 867         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 868         tree-scalar-evolution.h, and then tree-data-ref.h.
 869         * graphite-clast-to-gimple.c: Same.
 870         * graphite-dependences.c: Same.
 871         * graphite-interchange.c: Same.
 872         * graphite-poly.c: Same.
 873         * graphite-scop-detection.c: Same.
 874         * graphite-sese-to-poly.c: Same.
 875         * graphite.c: Same.
 876         * lambda-code.c: Same.
 877         * matrix-reorg.c: Same.
 878         * tree-data-ref.c: Same.
 879         * tree-if-conv.c: Same.
 880         * tree-loop-distribu: Same.: Same.
 881         * tree-loop-linear.c: Same.
 882         * tree-parloops.c: Same.
 883         * tree-predcom.c: Same.
 884         * tree-vect-patterns.c: Same.
 885
 886 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 887
 888         Revert patch from 2009-09-14.
 889         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
 890         passes at -O1 and below.
 891
 892 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 893
 894         PR middle-end/40281
 895         * gcc.dg/graphite/pr40281.c: New.
 896
 897         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
 898         evolutions should not variate in inner loops.
 899
 900 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 901
 902         PR middle-end/42050
 903         * gfortran.dg/graphite/pr42050.f90: New.
 904
 905 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 906
 907         * graphite-interchange.c (memory_strides_in_loop_depth): New.
 908         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
 909
 910 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 911
 912         * graphite-blocking.c (scop_do_block): New.
 913         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
 914         * graphite-poly.h (scop_do_block): Declared.
 915
 916 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 917
 918         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
 919         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 920         to transform depth into the time_depth before calling
 921         pbb_number_of_iterations_at_time.
 922         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 923         lst_depth.
 924
 925 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 926
 927         Reverted the patch for "scattering permutations" from 2009-10-28.
 928
 929         * graphite-poly.c (print_permutation): New.
 930         (debug_permutation): New.
 931         (new_poly_bb): Initialize PBB_PERMUTATION.
 932         (free_poly_bb): Free PBB_PERMUTATION.
 933         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 934         (struct pbb_permutation_elt): New.
 935         (PBB_PERMUTATION_ELT_STRIDE): New.
 936         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 937         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 938         (new_pbb_permutation_elt): New.
 939         (pbb_permutation_elt_free): New.
 940         (struct poly_bb): Add field permutation.
 941         (PBB_PERMUTATION): New.
 942         (print_permutation): Declared.
 943         (debug_permutation): Declared.
 944
 945 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 946
 947         * graphite-interchange.c (build_partial_difference): New.
 948         (memory_stride_in_loop): Refactored the computation of
 949         equality constraints into build_partial_difference function.
 950         Added support for debugging stride computations.
 951
 952 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 953
 954         * graphite-clast-to-gimple.c (gloog): Free if_region,
 955         if_region->true_region, and if_region->region.
 956         * sese.c (if_region_set_false_region): Free if_region->false_region.
 957         (create_if_region_on_edge): Do not use GGC_NEW.
 958         (move_sese_in_condition): Remove useless initialization.
 959
 960 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 961
 962         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
 963         for the loops created by the loop distribution.  Do not modify the
 964         input LSTs.
 965         (lst_try_interchange_loops): Same.  Use a temporary LST for the
 966         transformed schedule.  Call lst_update_scattering before data
 967         dependence analysis.
 968         (lst_try_interchange): Pass an extra parameter INDEX.
 969         (lst_do_interchange_1): New.
 970         (lst_do_interchange): Call lst_do_interchange_1.
 971         (scop_do_interchange): Call lst_update_scattering.
 972         * graphite-poly.c (apply_poly_transforms): Do not call
 973         lst_update_scattering.
 974         * graphite-poly.h (lst_pred): New.
 975         (lst_succ): New.
 976         (lst_find_first_pbb): Return NULL when not found.
 977         (lst_empty_p): New.
 978         (lst_insert_in_sequence): Allow LST1 to be NULL.
 979         (lst_replace): New.
 980         (lst_substitute_3): New.
 981         * gcc.dg/graphite/interchange-1.c: XFail.
 982         * gcc.dg/graphite/interchange-8.c: XFail.
 983         * gcc.dg/graphite/interchange-11.c: XFail.
 984
 985 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 986
 987         * graphite-interchange.c (lst_perfectly_nested_p): New.
 988         (lst_perfect_nestify): New.
 989         (lst_try_interchange_loops): Call store_lst_schedule,
 990         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
 991         (scop_do_interchange): Avoid redundant legality test.
 992         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
 993         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
 994         * graphite-poly.h (psct_static_dim): New.
 995         (lst_dewey_number_at_depth): New.
 996         (lst_find_pbb): Restructured.
 997         (lst_find_first_pbb): Restructured.
 998         (lst_find_last_pbb): New.
 999         (lst_contains_p): New.
1000         (lst_contains_pbb): New.
1001         (lst_create_nest): New.
1002         (lst_remove_from_sequence): New.
1003         (pbb_update_scattering): New.
1004         (lst_update_scattering_under): New.
1005         (lst_update_scattering_seq): New.
1006         (lst_update_scattering): New.
1007         (lst_insert_in_sequence): New.
1008         (lst_distribute_lst): New.
1009         (lst_remove_all_before_including_pbb): New.
1010         (lst_remove_all_before_excluding_pbb): New.
1011
1012 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1013
1014         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
1015         get_loop_exit_edges.
1016
1017 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1018
1019         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
1020
1021 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1022
1023         * graphite-poly.c (print_permutation): New.
1024         (debug_permutation): New.
1025         (new_poly_bb): Initialize PBB_PERMUTATION.
1026         (free_poly_bb): Free PBB_PERMUTATION.
1027         * graphite-poly.h (pbb_permutation_elt_p): Declared.
1028         (struct pbb_permutation_elt): New.
1029         (PBB_PERMUTATION_ELT_STRIDE): New.
1030         (PBB_PERMUTATION_ELT_STRIDED_P): New.
1031         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
1032         (new_pbb_permutation_elt): New.
1033         (pbb_permutation_elt_free): New.
1034         (struct poly_bb): Add field permutation.
1035         (PBB_PERMUTATION): New.
1036         (print_permutation): Declared.
1037         (debug_permutation): Declared.
1038
1039 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1040
1041         * graphite-clast-to-gimple.c (gloog): Do not call
1042         sese_reset_aux_in_loops.
1043         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
1044         extra argument for domains.  Do not use loop->aux.
1045         (build_scop_iteration_domain): Initialize and free domains, pass it
1046         to build_loop_iteration_domains and extract the information from
1047         domains.  Do not use loop->aux.
1048         * sese.c (sese_reset_aux_in_loops): Removed.
1049         * sese.h (sese_reset_aux_in_loops): Removed.
1050
1051 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1052
1053         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
1054         (dependency_in_loop_p): Same.
1055         (translate_clast): Do not use loop->aux.  Initialize
1056         loop->can_be_parallel.
1057         (mark_loops_parallel): Removed.
1058         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
1059         * graphite.c (free_aux_in_new_loops): Removed.
1060         (graphite_finalize): Do not call free_aux_in_new_loops.
1061         (graphite_transform_loops): Do not call mark_loops_parallel.
1062
1063 2009-10-26  Li Feng  <nemokingdom@gmail.com>
1064
1065         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
1066         (translate_clast): Pass an extra parameter LEVEL.
1067         Call get_scattering_level.
1068         * graphite-clast-to-gimple.h (get_scattering_level): New.
1069
1070 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1071
1072         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
1073         * cfgloop.h (struct loop): New field single_iv.
1074
1075         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
1076         loop->aux anymore: use loop->single_iv.
1077         (graphite_loop_normal_form): Moved...
1078         (build_graphite_loop_normal_form): Removed.
1079         (gloog): Do not call build_graphite_loop_normal_form.
1080         (free_aux_in_new_loops): Moved...
1081         (mark_loops_parallel): Restructure.
1082         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
1083         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
1084         (scop_canonicalize_loops): New.
1085         (build_poly_scop): Call scop_canonicalize_loops.
1086         * graphite.c (free_aux_in_new_loops): ...here.
1087
1088 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1089
1090         * g++.dg/graphite/graphite.exp: Add the same rules as in
1091         gcc.dg/graphite/graphite.exp.
1092
1093 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1094
1095         * g++.dg/graphite/id-1.C: New.
1096
1097 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1098
1099         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
1100         argument base_name.
1101         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
1102         (rewrite_phi_out_of_ssa): Same.
1103         (rewrite_cross_bb_scalar_deps): Same.
1104         (translate_scalar_reduction_to_array): Same.
1105
1106 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1107
1108         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
1109         dump_alias_graphs.
1110
1111 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1112
1113         * graphite-sese-to-poly.c (dump_alias_graphs): New.
1114         (build_scop_drs): Call dump_alias_graphs.
1115
1116 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1117
1118         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
1119         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1120         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
1121         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1122         * graphite-poly.h (free_lst): New.
1123         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
1124         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
1125
1126 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1127
1128         * graphite-poly.h (struct scop): Add a field saved_schedule.
1129         (SCOP_SAVED_SCHEDULE): New.
1130         (store_lst_schedule): New.
1131         (restore_lst_schedule): New.
1132         (store_scattering): Call store_lst_schedule.
1133         (restore_scattering): Call restore_lst_schedule.
1134
1135 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1136
1137         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
1138         (pdr_add_alias_set): Same.
1139         (build_poly_dr): Same.
1140         (build_alias_set_optimal_p): Same.
1141         (build_base_obj_set_for_drs): Same.  Do not store the result of
1142         graphds_dfs.
1143
1144 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1145
1146         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
1147         all_components_are_cliques to 1.
1148
1149 2009-10-20  Li Feng  <nemokingdom@gmail.com>
1150
1151         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
1152         the new structure.
1153         (pdr_add_alias_set): Update retrieving alias_set_num.
1154         (build_poly_dr): Update retrieving dr_base_object_set.
1155         (partition_drs_to_sets): Remove.
1156         (build_alias_set_optimal_p): New.
1157         (build_alias_set_for_drs): Rename.
1158         (build_scop_drs): Update.
1159         * graphite-sese-to-poly.h (struct base_alias_pair): New.
1160         (ALIAS_SET_INDEX): Remove.
1161         (BASE_OBJECT_SET_INDEX): Remove.
1162
1163 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1164
1165         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
1166
1167 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1168
1169         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
1170         loop upper bounds for 1-element arrays at end of structures.
1171         * tree-flow.h (array_at_struct_end_p): Declared.
1172         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
1173
1174 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1175
1176         * g++.dg/graphite/pr41305.C: New.
1177
1178 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
1179
1180         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
1181         construction of parameter constraints from loop iteration analysis.
1182         * gcc.dg/graphite/run-id-2.c: New test.
1183
1184 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1185
1186         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
1187         and new_cstr.
1188
1189 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1190
1191         * graphite-dependences.c (dependence_polyhedron_1): Remove
1192         unused gdim dimensions from the DDR polyhedron.
1193
1194 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1195
1196         * graphite-dependences.c (pddr_transformed_scattering): New.
1197         (dot_original_deps_stmt_1): New.
1198         (dot_transformed_deps_stmt_1): New.
1199         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
1200         dot_transformed_deps_stmt_1.
1201         (dot_original_deps): New.
1202         (dot_transformed_deps): New.
1203         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
1204
1205 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1206
1207         * graphite-dependences.c (reduction_dr_1): Remove wrong
1208         assert: reduction BBs can have multiple reduction writes
1209         to memory.  interchange-3.f90 is an example.
1210
1211 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1212
1213         * gfortran.dg/graphite/interchange-3.f90: New.
1214
1215 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1216
1217         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
1218
1219 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1220
1221         * graphite-dependences.c (dependence_polyhedron_1): Add the
1222         context to the dependence polyhedron.
1223
1224 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1225
1226         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
1227         PBB_PDR_DUPLICATES_REMOVED.
1228         (new_poly_bb): Same.
1229
1230 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1231
1232         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
1233         SCOP_CONTEXT.
1234         (build_loop_iteration_domains): Extract bounds on parameters
1235         based on the data size.
1236         (build_scop_context): Do not initialize SCOP_CONTEXT;
1237         add new constraints.
1238
1239 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1240
1241         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
1242         * graphite-ppl.h (graphite-ppl.h): Declared.
1243
1244 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1245
1246         * graphite-ppl.c (ppl_print_linear_expr): New.
1247         (debug_ppl_linear_expr): New.
1248         * graphite-ppl.h (ppl_print_linear_expr): Declared.
1249         (debug_ppl_linear_expr): Declared.
1250
1251 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1252
1253         * graphite-interchange.c: Fix comments.
1254         * gcc.dg/graphite/block-1.c: Fix comments.
1255
1256 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1257
1258         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
1259         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
1260
1261 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1262
1263         Reapply the patch from Alexander Monakov that disappeared during
1264         the last merges from trunk.
1265
1266         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1267
1268         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1269         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1270
1271 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1272
1273         * graphite-interchange.c (memory_stride_in_loop): The depth
1274         argument corresponds to a dynamic time dimension, so use
1275         psct_dynamic_dim to refer to the transformed scattering dimension.
1276
1277 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1278
1279         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
1280
1281 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1282
1283         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
1284         root of the LST.
1285         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
1286         the root of the LST.
1287         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
1288         fake loop.
1289         (print_lst): Print the root of LST in a different format.
1290         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
1291
1292 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1293
1294         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
1295
1296 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1297
1298         * doc/passes.texi: Document the Graphite infrastructure.
1299
1300 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1301
1302         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
1303         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
1304         and check the SSA representation.
1305
1306         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
1307
1308 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1309
1310         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
1311
1312 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1313
1314         * gcc.dg/graphite/interchange-11.c: New.
1315
1316 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1317
1318         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
1319
1320 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1321
1322         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1323         Add -fno-loop-strip-mine and -fno-loop-interchange.
1324         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
1325         -fno-loop-strip-mine.
1326         * gfortran.dg/graphite/graphite.exp: Same.
1327
1328 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1329
1330         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1331         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
1332         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
1333         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
1334         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
1335         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
1336         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
1337         DEFAULT_FLAGS_GRAPHITE_SCOP.
1338         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
1339         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
1340
1341 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1342
1343         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
1344
1345 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1346             Sebastian Pop  <sebastian.pop@amd.com>
1347
1348         * graphite-interchange.c (build_linearized_memory_access): Pass an
1349         offset as parameter.
1350         (memory_stride_in_loop): Include transform scattering in the
1351         access functions to be able to querry the strides in the
1352         transformed loops.
1353         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
1354         not the psct_iterator_dim.
1355
1356 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1357
1358         * graphite-blocking.c (pbb_do_strip_mine): Removed.
1359         (lst_do_strip_mine_loop): New.
1360         (lst_do_strip_mine): New.
1361         (scop_do_strip_mine): Call lst_do_strip_mine.
1362         * graphite-poly.h (lst_add_loop_under_loop): New.
1363         (lst_find_first_pbb): New.
1364
1365 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1366
1367         * graphite-poly.c (loop_to_lst): Fix LST creation.
1368
1369 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1370
1371         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
1372         sizeof(unsigned long) to make it run on 32bit systems.
1373
1374 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1375
1376         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
1377         SEGFAULT on 32bit.
1378
1379 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1380
1381         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
1382         Comment.
1383         (write_alias_graph_to_ascii_dot): New.
1384         (write_alias_graph_to_ascii_ecc): Ditto.
1385         (partition_drs_to_sets): Add testing of optimality of current method
1386         which assigns alias numbers according to DFS Comopnent number.  used
1387         as heuristic for the upcoming ECC algorithm.
1388         (build_scop_drs): Write to file also with the ecc and dot format.
1389
1390 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1391
1392         * gfortran.dg/graphite/interchange-1.f: XFail.
1393
1394 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1395
1396         * graphite.c (graphite_initialize): Do not handle functions with
1397         more than 100 basic blocks.
1398
1399 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1400
1401         * graphite-blocking.c (pbb_do_strip_mine): Use
1402         PARAM_LOOP_BLOCK_TILE_SIZE.
1403
1404 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1405
1406         * graphite-poly.c (dot_lst_1): New.
1407         (dot_lst): New.
1408         * graphite-poly.h (dot_lst): Declared.
1409
1410 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1411
1412         * graphite-dependences.c (dot_deps_stmt_1): New.
1413         (dot_deps_stmt): New.
1414         * graphite-dependences.h (dot_deps_stmt): Declared.
1415
1416 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1417
1418         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
1419         not replace cross BB scalar dependences ending on PHI nodes.
1420         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
1421
1422 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1423
1424         * graphite-poly.c (apply_poly_transforms): Implement the high
1425         level driver for flag_loop_block.
1426         * opts.c (decode_options): Enable flag_loop_block at -O2.
1427         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
1428         flag_loop_block.
1429
1430         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
1431         -floop-block.
1432         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1433         Add -floop-block.
1434
1435 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1436
1437         * graphite-poly.h (lst_find_pbb): New.
1438         (find_lst_loop): New.
1439
1440 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1441
1442         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
1443         * graphite-poly.h (struct scop): Remove dep_graph field.
1444         (SCOP_DEP_GRAPH): Removed.
1445
1446 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1447
1448         * graphite-poly.h (copy_lst): Do full copy of LST.
1449
1450 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
1451
1452         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
1453         when the loop stride is zero.
1454
1455         * gcc.dg/graphite/id-16.c: New.
1456
1457 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1458
1459         * graphite-dependences.c (reduction_dr_1): New.
1460         (reduction_dr_p): New.
1461         (graphite_legal_transform_dr): Call reduction_dr_p.
1462         (reduction_ddr): Renamed reduction_ddr_p.
1463         * graphite-poly.h (same_pdr_p): New.
1464         (number_of_write_pdrs): New.
1465         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
1466         (split_reduction_stmt): Do not split reduction statements
1467         when there are no writes to memory.
1468         (translate_scalar_reduction_to_array_for_stmt): Insert the
1469         memory reduction statement just after the scalar reduction statement.
1470
1471         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
1472         Un-XFAIL-ed.
1473         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
1474         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
1475
1476 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1477
1478         * graphite-interchange.c (lst_apply_interchange): New.
1479         (lst_interchange_profitable_p): New.
1480         (lst_try_interchange_loops): New.
1481         (lst_try_interchange): New.
1482         (lst_do_interchange): New.
1483         (pbb_do_interchange): Removed.
1484         (scop_do_interchange): Call lst_do_interchange.
1485
1486 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1487
1488         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
1489         SCOP_TRANSFORMED_SCHEDULE.
1490         (loop_to_lst): New.
1491         (scop_to_lst): New.
1492         (print_lst): New.
1493         (debug_lst): New.
1494         * graphite-poly.h (lst_p): New.
1495         (struct lst): New.
1496         (LST_LOOP_P): New.
1497         (LST_LOOP_FATHER): New.
1498         (LST_PBB): New.
1499         (LST_SEQ): New.
1500         (scop_to_lst): Declared.
1501         (print_lst): Declared.
1502         (debug_lst): Declared.
1503         (new_lst_loop): New.
1504         (new_lst_stmt): New.
1505         (copy_lst): New.
1506         (lst_depth): New.
1507         (lst_dewey_number): New.
1508         (struct scop): Add original_schedule and transformed_schedule fields.
1509         (SCOP_ORIGINAL_SCHEDULE): New.
1510         (SCOP_TRANSFORMED_SCHEDULE): New.
1511         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
1512
1513 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1514
1515         * graphite-dependences.c (reduction_ddr): New.
1516         (graphite_legal_transform_bb): Call reduction_ddr.
1517         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
1518         Initialize PBB_IS_REDUCTION.
1519         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
1520         (PBB_IS_REDUCTION): New.
1521         (new_poly_bb): Update declaration.
1522         * graphite-scop-detection.h (build_scop_bbs): Removed.
1523         (nb_reductions_in_loop): Removed.
1524         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
1525         parameter for reductions.
1526         (try_generate_gimple_bb): Update call to new_poly_bb.
1527         (build_scop_bbs_1): Same.
1528         (build_scop_bbs): Same.
1529         (gsi_for_phi_node): New.
1530         (scalar_close_phi_node_p): Remove gcc_assert.
1531         (split_reduction_stmt): New.
1532         (is_reduction_operation_p): New.
1533         (phi_contains_arg): New.
1534         (follow_ssa_with_commutative_ops): New.
1535         (detect_commutative_reduction_arg): New.
1536         (detect_commutative_reduction_assign): New.
1537         (follow_inital_value_to_phi): New.
1538         (edge_initial_value_for_loop_phi): New.
1539         (initial_value_for_loop_phi): New.
1540         (detect_commutative_reduction): New.
1541         (translate_scalar_reduction_to_array_for_stmt): New.
1542         (insert_copyout): New.
1543         (insert_copyin): New.
1544         (translate_scalar_reduction_to_array): New.
1545         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
1546         (rewrite_commutative_reductions_out_of_ssa_loop): New.
1547         (rewrite_commutative_reductions_out_of_ssa): New.
1548         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
1549         * sese.h (split_region_for_bb): New.
1550
1551         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
1552         * gcc.dg/graphite/interchange-1.c: Fix format.
1553         * gcc.dg/graphite/interchange-10.c: New.
1554
1555 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1556
1557         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
1558         buggy assert.
1559
1560 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1561
1562         * graphite-sese-to-poly.c (scev_analyzable_p): New.
1563         (rewrite_cross_bb_scalar_dependence): New.
1564         (rewrite_cross_bb_scalar_deps): New.
1565         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
1566         Call rewrite_cross_bb_scalar_deps.
1567
1568 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1569
1570         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
1571         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
1572         gsi_for_stmt.
1573
1574 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1575
1576         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
1577         * graphite-interchange.c (pbb_do_interchange): Same.
1578         * graphite-poly.c (print_scattering_function): Same.
1579         (debug_pdrs): Same.
1580         * graphite-poly.h (pbb_loop): New.
1581         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
1582
1583 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1584
1585         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
1586
1587 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1588
1589         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
1590         so don't pass a pointer to it.
1591         (build_alias_set_for_drs): Same.
1592         (build_base_obj_set_for_drs): Same.
1593         (build_scop_drs): Same.
1594
1595 2009-09-26  Li Feng  <nemokingdom@gmail.com>
1596
1597         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
1598         the alias graph of data references.
1599
1600 2009-09-25  Li Feng  <nemokingdom@gmail.com>
1601
1602         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
1603         (build_scop_drs): When debugging, write the alias graph to file,
1604         otherwise, should be disabled.
1605
1606 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1607
1608         * Merge from mainline (151310:151361).
1609
1610 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1611
1612         * Merge from mainline (151171:151310).
1613
1614 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1615
1616         * Merge from mainline (151171:151806).
1617
1618 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1619
1620         * Revert the last commit.
1621
1622 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1623
1624         * Merge from mainline (151171:151819).
1625
1626 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1627
1628         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
1629         (is_simple_operand): Remove call to stmt_simple_memref_p.
1630         (stmt_simple_for_scop_p): Update call to is_simple_operand.
1631
1632 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
1633
1634         * gcc.dg/graphite/interchange-mvt.c: New File.
1635         * gcc.dg/graphite/scop-dsyrk.c: New File.
1636         * gcc.dg/graphite/scop-dsyr2k.c: New File.
1637         * gcc.dg/graphite/scop-mvt.c: New File.
1638         * gcc.dg/graphite/scop-sor.c: New File.
1639
1640 2009-09-17 Li Feng  <nemokingdom@gmail.com>
1641
1642         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
1643         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
1644         (graphite_carried_dependence_level_k): Ditto.
1645         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
1646         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
1647         (new_poly_dr): Adjust declaration.
1648         * graphite-sese-to-poly.c (free_data_refs_aux): New.
1649         (free_gimple_bb): Added free_data_refs_aux.
1650         (build_poly_dr): Add dr_base_object_set.
1651         (partition_drs_to_sets): New.
1652         (dr_same_base_object_p): New.
1653         (build_alias_set_for_drs): New.
1654         (build_base_object_set_for_drs): New.
1655         (build_scop_drs): Add build_base_obj_set_for_drs.
1656         * graphite-sese-to-poly.h: Added #define for alias set number index and
1657         base object set index.
1658         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1659         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1660
1661 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1662
1663         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1664         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1665
1666 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1667
1668         * graphite-sese-to-poly.c (struct irp_data): Removed.
1669         (idx_record_params): Removed.
1670         (find_params_in_bb): Scan for parameters the access functions; don't
1671         parse the tree representation.
1672
1673 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1674
1675         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
1676         passes at -O1 and below.
1677
1678 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1679
1680         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1681         tree-scalar-evolution.h, and then tree-data-ref.h.
1682         * graphite-clast-to-gimple.c: Same.
1683         * graphite-dependences.c: Same.
1684         * graphite-interchange.c: Same.
1685         * graphite-poly.c: Same.
1686         * graphite-scop-detection.c: Same.
1687         * graphite-sese-to-poly.c: Same.
1688         * graphite.c: Same.
1689         * lambda-code.c: Same.
1690         * matrix-reorg.c: Same.
1691         * tree-data-ref.c: Same.
1692         * tree-if-conv.c: Same.
1693         * tree-loop-distribu: Same.: Same.
1694         * tree-loop-linear.c: Same.
1695         * tree-parloops.c: Same.
1696         * tree-predcom.c: Same.
1697         * tree-vect-patterns.c: Same.
1698
1699 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1700
1701         Partially revert the previous patch, except the following.
1702         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1703         as parameters the operands of the not expression.
1704
1705 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1706
1707         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1708         Do not call analyze_scalar_evolution on assignments.
1709         (instantiate_scev_phi): Call analyze_scalar_evolution.
1710         (instantiate_scev_name): Call instantiate_scev_assign and
1711         instantiate_scev_phi.
1712         (instantiate_scev_not): Adapted to pass as parameters the operands
1713         of the not expression.
1714
1715 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1716
1717         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1718         to pass as parameters the operands of the binary expression.
1719
1720 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1721
1722         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1723         instantiate_scev_not.  Handle NEGATE_EXPR.
1724         (instantiate_scev_r): Handle NEGATE_EXPR.
1725
1726 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1727
1728         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1729         instantiate_scev_r.
1730         (instantiate_scev_r): Move code in instantiate_scev_2
1731         and instantiate_scev_1.
1732
1733 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1734
1735         * tree-scalar-evolution.c (instantiate_scev_3): New.
1736         (instantiate_scev_1): Move code in instantiate_scev_3.
1737
1738 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1739
1740         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1741         (instantiate_scev_1): Move code in instantiate_scev_poly.
1742
1743 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1744
1745         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1746         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1747
1748 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1749
1750         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1751         (instantiate_scev_1): Move code in instantiate_scev_convert.
1752
1753 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1754
1755         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1756         (instantiate_scev_1): Move code in instantiate_scev_binary.
1757
1758 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1759
1760         * tree-scalar-evolution.c (instantiate_scev_name): New.
1761         (instantiate_scev_1): Move code in instantiate_scev_name.
1762
1763 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1764
1765         * Merge from mainline (150992:151171).
1766
1767 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1768
1769         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
1770
1771 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1772
1773         * graphite-dependences.c (graphite_legal_transform_bb): Call
1774         pbb_remove_duplicate_pdrs.
1775         * graphite-poly.c (can_collapse_pdr): Removed.
1776         (pdr_find_duplicate): Removed.
1777         (can_collapse_pdrs): New.
1778         (pbb_remove_duplicate_pdrs): New.
1779         (new_poly_dr): Do not look for duplicates.
1780         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1781         (PBB_PDR_DUPLICATES_REMOVED): New.
1782         (pbb_remove_duplicate_pdrs): Declared.
1783
1784 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1785
1786         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1787         the strides by multiplying by PDR_NB_REFS.
1788         * graphite-poly.c (can_collapse_pdr): New.
1789         (pdr_find_duplicate): New.
1790         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1791         Initialize PDR_NB_REFS.
1792         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1793         (PDR_NB_REFS): New.
1794         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1795
1796 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1797
1798         Revert one of the previous commits:
1799         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1800         the computation of symmetric data dependence relations.
1801         (dependency_between_pbbs_p): Same.
1802
1803 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1804
1805         PR middle-end/40965
1806         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1807         any transform.
1808
1809 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1810
1811         * graphite-dependences.c (pddr_original_scattering): Return NULL
1812         for read-read dependence relations.
1813         * graphite-poly.h (enum poly_dr_type): Fix comment.
1814         (pdr_read_p): New.
1815         (pdr_write_p): New.
1816         (pdr_may_write_p): New.
1817
1818 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1819
1820         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1821         (struct poly_dr): Same.
1822         (new_poly_dr): Same.
1823         * graphite-poly.c (new_poly_dr): Same.
1824
1825 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1826             Sebastian Pop  <sebastian.pop@amd.com>
1827
1828         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1829         pbb_strip_mine_time_depth.  Changed the implementation so that
1830         transformation is expressed as a transformation on
1831         time (scatttering) dimensions.  Also, ensures that the 2d+1
1832         scheduling format is preserved.
1833         (pbb_strip_mine_profitable_p): Profitability is based on the
1834         iteration number of a given time (scattering) dimension,
1835         and not on a original loop depth dimension.
1836         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1837         (pbb_do_strip_mine): Call psct_dynamic_dim.
1838         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1839         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1840         (pbb_nb_dynamic_scattering_transform): New.
1841         (psct_dynamic_dim): New.
1842
1843 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1844
1845         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1846         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1847         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1848         * graphite-interchange.c (build_linearized_memory_access): Same.
1849         (memory_stride_in_loop): Same.
1850
1851 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1852
1853         * graphite-dependences.c (pddr_original_scattering): New.
1854         (graphite_legal_transform_dr): Call pddr_original_scattering.
1855         (dot_deps_1): New.
1856         (dot_deps): New.
1857         * graphite-dependences.h (dot_deps): Declared.
1858         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1859         (print_pdr): Print PDR_ID.
1860         * graphite-poly.h (struct poly_dr): Add field id.
1861         (PDR_ID): New.
1862         (pbb_index): New.
1863         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1864
1865 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1866
1867         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1868         not delete the original dependence relation.
1869
1870 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1871
1872         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1873         the computation of symmetric data dependence relations.
1874         (dependency_between_pbbs_p): Same.
1875
1876 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1877
1878         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1879         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1880         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1881         (free_poly_ddr): New.
1882         (pddr_is_empty): New.
1883         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1884         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1885         Remove fprintfs.
1886         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1887         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1888         * graphite-dependences.h (enum poly_dependence_kind): New.
1889         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1890         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1891         (PDRP_SINK): Renamed PDDR_SINK.
1892         (PDRP_DDP): Renamed PDDR_DDP.
1893         (PDDR_KIND): New.
1894         (free_poly_ddr): Declared.
1895         * graphite-poly.c (new_scop): Use the new hash function names.
1896         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1897         into original_pddrs.
1898         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1899
1900 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1901
1902         * Merge from mainline (150764:150992).
1903
1904 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1905
1906         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1907         bounds with LT_EXPR to make niter analysis more precise on code
1908         generated by Graphite.
1909
1910 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1911
1912         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1913         (graphite_legal_transform_bb): Same.
1914         (poly_drs_may_alias_p): Same.
1915
1916 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1917
1918         PR middle-end/40981
1919         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1920         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1921
1922 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1923
1924         * graphite-poly.c (print_pbb): Print PBB index.
1925
1926 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1927
1928         * Merge from mainline (r150672:150764).
1929
1930 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1931
1932         * graphite-interchange.c (ppl_max_for_le): Moved...
1933         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1934         * graphite-ppl.c (ppl_max_for_le): ... here.
1935         * graphite-ppl.h (ppl_max_for_le): Declared.
1936
1937 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1938
1939         * Merge from mainline (r150372:150672).
1940
1941 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1942
1943         PR middle-end/40980
1944         * sese.c (convert_for_phi_arg): New.
1945         (add_guard_exit_phis): Use convert_for_phi_arg.
1946
1947         * gfortran.dg/graphite/id-17.f: New.
1948
1949 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1950
1951         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1952         unknown subscript upper bounds.
1953
1954         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1955
1956 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1957             Pranav Garg  <pranav.garg2107@gmail.com>
1958
1959         * graphite-interchange.c (gather_access_strides): Removed.
1960         (ppl_max_for_le): New.
1961         (build_linearized_memory_access): New.
1962         (memory_stride_in_loop): New.
1963         (pbb_interchange_profitable_p): Reimplemented.
1964         * graphite-ppl.h (ppl_new_id_map): New.
1965         (ppl_interchange): New.
1966
1967         * gcc.dg/graphite/interchange-6.c: XFAILed.
1968
1969 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1970
1971         * graphite-interchange.c (compute_subscript): Removed.
1972         (compute_array_size_cstr): Removed.
1973         (compute_array_size_poly): Removed.
1974         (compute_array_size): Removed.
1975         (gather_access_strides_poly): Removed.
1976         (gather_access_strides): Empty.
1977
1978 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1979
1980         * graphite-dependences.c (dependence_polyhedron_1): Replace
1981         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1982         (graphite_legal_transform_dr): Same.
1983         (graphite_carried_dependence_level_k): Same.
1984         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1985         Initialize PDR_NB_SUBSCRIPTS.
1986         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1987         PDR_NB_SUBSCRIPTS.
1988         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1989         (PDR_NB_SUBSCRIPTS): New.
1990         (pdr_nb_subscripts): Removed.
1991         (pdr_dim): Simplified.
1992         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1993         with PDR_NB_SUBSCRIPTS.
1994
1995 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1996
1997         * graphite-interchange.c (compute_array_size): Remove use of
1998         PDR_DATA_CONTAINER.
1999         * graphite-poly.c (new_poly_dr): Remove argument data_container.
2000         Do not initialize PDR_DATA_CONTAINER.
2001         (print_pdr): Do not print PDR_DATA_CONTAINER.
2002         * graphite-poly.h (struct poly_dr): Remove data_container field.
2003         (PDR_DATA_CONTAINER): Removed.
2004         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
2005         PDR_DATA_CONTAINER.
2006         (build_poly_dr): Same.
2007
2008 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2009
2010         * gcc.dg/graphite/interchange-9.c: New.
2011
2012 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2013             Sebastian Pop  <sebastian.pop@amd.com>
2014
2015         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
2016         copy of the dependence polyhedron.  Free the temporary objects.
2017         (graphite_carried_dependence_level_k): Free unused objects before
2018         returning.
2019
2020         * gcc.dg/graphite/interchange-1.c: XFAILed.
2021         * gcc.dg/graphite/interchange-2.c: XFAILed.
2022         * gcc.dg/graphite/interchange-3.c: XFAILed.
2023         * gcc.dg/graphite/interchange-4.c: XFAILed.
2024         * gcc.dg/graphite/interchange-7.c: XFAILed.
2025
2026 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2027
2028         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
2029         Early return without analyzing the data dependences if no
2030         transform has been done.  Call restore_scattering if the transform
2031         is not legal.
2032         (graphite-interchange.c): Same.
2033         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
2034         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
2035         (apply_poly_transforms): Do not gcc_assert that
2036         the transform is legal.
2037         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2038         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
2039         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
2040         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2041         * graphite-poly.h (struct poly_scattering): New.
2042         (struct poly_bb): Add original, transformed, and saved fields.
2043         Remove transformed_scattering, original_scattering, nb_local_variables,
2044         and nb_scattering_transform fields.
2045         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
2046         (poly_scattering_new): New.
2047         (poly_scattering_free): New.
2048         (poly_scattering_copy): New.
2049         (store_scattering_pbb): New.
2050         (store_scattering): New.
2051         (restore_scattering_pbb): New.
2052         (restore_scattering): New.
2053         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2054         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
2055
2056 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2057
2058         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
2059         (print_scop): Same.
2060
2061 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2062
2063         * Makefile.in (graphite.o): Depends on PREDICT_H.
2064         * graphite.c: Include predict.h.
2065         (graphite_finalize): Call tree_estimate_probability.
2066         * predict.c (predict_loops): Do not call scev_initialize and
2067         scev_finalize.
2068         (tree_estimate_probability_bb): New.
2069         (tree_estimate_probability): Do not initialize loops: move that
2070         code to the driver.  Call tree_estimate_probability_bb.
2071         (tree_estimate_probability_driver): New.
2072         (pass_profile): Use tree_estimate_probability_driver.
2073         * predict.h (tree_estimate_probability): Declared.
2074
2075 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2076
2077         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
2078         * graphite-dependences.c (graphite_legal_transform): Add time to
2079         TV_GRAPHITE_DATA_DEPS.
2080         (dependency_between_pbbs_p): Same.
2081         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
2082
2083 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
2084
2085         * Merge from mainline (r149952:150372).
2086
2087 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2088
2089         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
2090         * graphite-blocking.c: Same.
2091         * graphite-clast-to-gimple.c: Same.
2092         * graphite-dependences.c: Same.
2093         * graphite-poly.c: Same.
2094         * graphite-poly.h: Same.
2095         * graphite-ppl.c: Same.
2096         * graphite-scop-detection.c: Same.
2097         * graphite-sese-to-poly.c: Same.
2098         * graphite.c: Same.
2099
2100 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2101
2102         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
2103         (remove_simple_copy_phi): New.
2104         (remove_invariant_phi): New.
2105         (simple_copy_phi_p): New.
2106         (reduction_phi_p): New.
2107         (gsi_for_ssa_name_def): New.
2108         (insert_out_of_ssa_copy): New.
2109         (insert_out_of_ssa_copy_on_edge): New.
2110         (create_zero_dim_array): New.
2111         (scalar_close_phi_node_p): New.
2112         (rewrite_close_phi_out_of_ssa): New.
2113         (rewrite_phi_out_of_ssa): New.
2114         (rewrite_reductions_out_of_ssa): New.
2115         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
2116
2117         * gcc.dg/graphite/id-11.c: New.
2118         * gcc.dg/graphite/id-15.c: New.
2119         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
2120         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
2121         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
2122         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
2123         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
2124         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
2125         * gfortran.dg/graphite/id-13.f: New.
2126         * gfortran.dg/graphite/id-5.f: New.
2127
2128 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2129
2130         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
2131         check that nb_reductions_in_loop is zero.
2132         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
2133         reduction phi nodes.
2134         (nb_reductions_in_loop): Removed.
2135         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
2136         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
2137         (bb_contains_non_iv_scalar_phi_nodes): Removed.
2138         (scop_contains_non_iv_scalar_phi_nodes): Removed.
2139         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
2140
2141 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2142
2143         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
2144         statements that have an empty iteration domain.
2145         * gfortran.dg/graphite/id-16.f: New.
2146
2147 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2148
2149         * tree-scalar-evolution.c (instantiate_scev_1): Return
2150         chrec_dont_know when the result is not above instantiate_below.
2151         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
2152         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
2153         the tree has a known scalar evolution.
2154         * gfortran.dg/graphite/id-14.f: New.
2155         * gfortran.dg/graphite/id-15.f: New.
2156
2157 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2158
2159         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
2160         insert_gsi.
2161         (rename_variables): Keep inserting renames after the ones already
2162         inserted.
2163
2164 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2165
2166         * graphite-sese-to-poly.c (compare_bb_depths): New.
2167         (graphite_sort_dominated_info): New.
2168         (build_scop_bbs_1): Call graphite_sort_dominated_info.
2169         (build_scop_scattering): Fix comment.
2170
2171 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2172
2173         * graphite.c (graphite_finalize): Call print_loops instead of
2174         dump_function_to_file.
2175         * gcc.dg/graphite/graphite.exp: Fix formatting.
2176         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
2177         loops generated in the graphite output file.
2178         * gcc.dg/graphite/pr35356-2.c: New.
2179         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
2180         * gfortran.dg/graphite/id-12.f: New.
2181
2182 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2183
2184         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
2185         Remove 2 XFAIL.
2186
2187 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2188             Tobias Grosser  <grosser@fim.uni-passau.de>
2189
2190         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
2191         alias set number build alias in ACCESSES polyhedron.
2192         (build_alias_set_for_drs): New.
2193         (build_pbb_drs): Added build_alias_set_for_drs.
2194         * graphite-dependences.c (poly_drs_may_alias_p): New.
2195         (graphite_carried_dependence_level_k): Check alias information
2196         before building polyhedron.
2197
2198 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2199
2200         * Makefile.in (lambda-code.o): Fix formatting.
2201
2202 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2203
2204         * Merge from mainline (r149350-149952)
2205
2206 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2207
2208         * graphite-poly.c (apply_poly_transforms): Move strip_mine
2209         before interchange to prepare for loop blocking.
2210
2211 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2212
2213         * graphite-poly.c (apply_poly_transforms): Add checks after every
2214         transformation.
2215         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
2216         done in apply_poly_transforms.
2217
2218 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2219
2220         * graphite-dependences.c (build_lexicographically_gt_constraint):
2221         Replace RES parameter with *RES.
2222         (dependence_polyhedron_1): Pass an address of the parameter RES
2223         instead of value of RES.
2224
2225 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2226
2227         * graphite.c (graphite_finalize): Fix comment.
2228         (graphite_transform_loops): Reset scev info after code generation
2229         of each scop.
2230
2231 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2232
2233         * graphite.c (graphite_finalize): Call scev_reset.
2234
2235 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2236
2237         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
2238         GBB_CLOOG_IV_TYPES hash table twice.
2239         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
2240         (add_condition_to_domain): Clear GMP values.
2241
2242 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2243
2244         * graphite-dependences.c: Fix formatting.
2245         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
2246         (pbb_number_of_iterations): Free ppl_Linear_Expression.
2247         * graphite-sese-to-poly.c: Fix formatting.
2248         * graphite.c (graphite_transform_loops): Create the hash table
2249         after the early return.
2250
2251 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2252
2253         * gcc.dg/graphite/id-14.c: New.
2254         * gcc.dg/graphite/pr40157.c: New.
2255         * gfortran.dg/graphite/id-11.f: New.
2256
2257 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2258
2259         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
2260         (build_poly_scop): Return false when there are no pbbs within
2261         loops to avoid to pass to cloog scops with no loops.
2262
2263 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2264
2265         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
2266         useless test "i % 2".
2267         (build_pbb_scattering_polyhedrons): Fix formatting.
2268         (build_poly_dr): Same.
2269         * graphite.c (graphite_transform_loops): Restructure.
2270
2271 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
2272
2273         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
2274         reduction_list parameter.
2275         (rewrite_all_phi_nodes_with_iv): Same.
2276         (canonicalize_loop_ivs): Same.
2277         * tree-parloops.c (struct brli): Removed.
2278         (build_reduction_list_info): Removed.
2279         (build_new_reduction): New.
2280         (analyze_reduction_list): Removed.
2281         (gather_scalar_reductions): Find reductions instead of phi
2282         nodes that can't be canonicalized.
2283         (try_create_reduction_list): Remove reduction_list parameter.
2284         (gen_parallel_loop): Same.
2285         (parallelize_loops): Remove analyze_reductions variable,
2286         initialization and free.
2287         Change reduction_list htab initialization to reduction_info
2288         elements instead of ssa names.
2289         Call try_create_reduction_list and gen_parallel_loop without
2290         analyzed_reduction argument.
2291         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
2292         canonicalize_loop_ivs with one less argument.
2293         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
2294
2295 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2296
2297         * graphite-dependences.c (new_poly_dr_pair): New.
2298         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
2299         (new_poly_dr_pair): New.
2300         (eq_poly_dr_pair_p): New.
2301         (hash_poly_dr_pair_p): New.
2302         * graphite-dependences.h (struct poly_dr_pair): New.
2303         (eq_poly_dr_pair_p): Declared.
2304         (hash_poly_dr_pair_p): Declared.
2305         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
2306         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
2307         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
2308         * Makefile.in (graphite-poly.o): Add dependence on
2309         graphite-dependences.h.
2310
2311 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2312
2313         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
2314         polynomials of degree > 1 pass to Graphite.
2315         * tree-chrec.c (scev_is_linear_expression): Call
2316         evolution_function_is_affine_multivariate_p.
2317         * gfortran.dg/graphite/id-10.f90: New.
2318
2319 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2320
2321         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
2322         Instantiate scevs varying in outer loops.
2323         * gfortran.dg/graphite/id-9.f: Correct testcase.
2324
2325 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2326
2327         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
2328         redundant constraint.
2329
2330 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2331
2332         * gcc.dg/graphite/graphite.exp: Fix comments.
2333         * gfortran.dg/graphite/graphite.exp: Trigger actions
2334         based on the file names as in the C testsuite.
2335         * gfortran.dg/graphite/block-1.f90: Fix patterns.
2336         * gfortran.dg/graphite/block-2.f: Same.
2337         * gfortran.dg/graphite/block-3.f90: Same.
2338         * gfortran.dg/graphite/block-4.f90: Same.
2339         * gfortran.dg/graphite/id-1.f90: Same.
2340         * gfortran.dg/graphite/id-2.f90: Same.
2341         * gfortran.dg/graphite/id-3.f90: Same.
2342         * gfortran.dg/graphite/id-4.f90: Same.
2343         * gfortran.dg/graphite/id-6.f: Same.
2344         * gfortran.dg/graphite/id-9.f: Same.
2345         * gfortran.dg/graphite/interchange-1.f: Same.
2346         * gfortran.dg/graphite/interchange-2.f: Same.
2347         * gfortran.dg/graphite/scop-1.f: Same.
2348
2349 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2350
2351         * sese.c (expand_scalar_variables_call): New.
2352         (expand_scalar_variables_ssa_name): Handle calls in expander.
2353
2354 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2355
2356         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
2357         Expect to see the pattern twice.
2358         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
2359         * gcc.dg/graphite/interchange-5.c: Same.
2360         * gcc.dg/graphite/interchange-6.c: Same.
2361
2362 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2363
2364         * gcc.dg/graphite/id-10.c: New.
2365         * gcc.dg/graphite/id-12.c: New.
2366         * gfortran.dg/graphite/id-7.f: New.
2367         * gfortran.dg/graphite/id-8.f: New.
2368
2369 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2370
2371         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
2372         zero.
2373
2374 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2375
2376         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
2377
2378 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2379
2380         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
2381
2382 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2383
2384         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
2385         building PDR subscripts.
2386
2387 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2388
2389         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
2390         computation of array sizes.
2391
2392 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2393
2394         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
2395
2396 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2397
2398         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
2399         build_pairwise_constraint, dr_equality_constraints,
2400         build_pairwise_scheduling_equality,
2401         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2402         build_lexicographically_gt_constraint, dependence_polyhedron,
2403         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
2404         Move from NNC_Polyhedron to C_Polyhedron.
2405         * graphite-interchange.c (compute_array_size_poly,
2406         gather_access_strides): Dito.
2407         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
2408         free_scop, pbb_number_of_iterations): Dito.
2409         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
2410         pbb_dim_iter_domain, struct scop): Dito.
2411         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
2412         new_Cloog_Domain_from_ppl_Polyhedron,
2413         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
2414         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
2415         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
2416         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
2417         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
2418         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
2419         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
2420         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
2421         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
2422         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
2423         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
2424         build_scop_iteration_domain, build_poly_dr): Dito
2425
2426 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2427
2428         * gcc.dg/graphite/graphite.exp: Added a rule to execute
2429         run-id-*.c files.
2430         * gcc.dg/graphite/run-id-1.c: New.
2431
2432 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2433
2434         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
2435         positivity constraint on the symbolic number of iterations.
2436
2437 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2438
2439         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
2440
2441 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2442             Tobias Grosser  <grosser@fim.uni-passau.de>
2443
2444         * graphite-clast-to-gimple.c (build_scop_context): Removed.
2445         (build_cloog_prog): Directly use SCOP_CONTEXT.
2446         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
2447         (free_scop): Free SCOP_CONTEXT.
2448         (print_scop_context): New.
2449         (print_scop): Call print_scop_context.
2450         (debug_scop_context): New.
2451         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
2452         (struct scop): Added field context.
2453         (SCOP_CONTEXT): New.
2454         * graphite-sese-to-poly.c (add_param_constraints): New.
2455         (build_scop_context): New.
2456         (build_poly_scop): Call build_scop_context.
2457
2458 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2459
2460         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
2461         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
2462         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
2463         * graphite-ppl.h: Include double-int.h and tree.h.
2464         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
2465         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
2466         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
2467         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
2468
2469 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2470
2471         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
2472         POINTER_PLUS_EXPR for pointer types.
2473         (clast_to_gcc_expression): Same.
2474
2475 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2476
2477         * graphite-poly.c (print_scattering_function): Early return when
2478         PBB_TRANSFORMED_SCATTERING is not initialized.
2479         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
2480
2481 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
2482
2483         * tree-parloops.c (analyze_reduction_list): Remove unused variable
2484         to fix bootstrap.
2485
2486 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
2487
2488         * tree-parloops.c (analyze_reduction_list): Change return
2489         value to void.
2490         (try_create_reduction_list): Move the call to
2491         analyze_reduction_list to the beginining.
2492         Call reduction_phi with analyzed_reductions as argument
2493         instead of reduction_list.
2494
2495 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2496
2497         *  Merge from mainline (r148296:149346)
2498
2499 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2500
2501         * graphite-scop-detection.c (graphite_can_represent_init): New.
2502         (graphite_can_represent_scev): Call graphite_can_represent_init:
2503         check that the initial value does not contain multiplications of
2504         parameters.
2505         (stmt_has_simple_data_refs_p): New.
2506         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
2507         (is_simple_operand): Fix formatting.
2508         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
2509
2510 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2511
2512         * gcc.dg/graphite/id-13.c: New.
2513         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
2514         analyze_scalar_evolution, use scalar_evolution_in_region.
2515         (scan_tree_for_params_right_scev): Add extra assert.
2516         (parameter_index_in_region_1): Split from parameter_index_in_region.
2517         (idx_record_params): Use scalar_evolution_in_region.
2518         (find_params_in_bb): Same.
2519         (find_scop_parameters): Same.
2520         (build_loop_iteration_domains): Same.
2521         (create_linear_expr_from_tree): Same.
2522         * sese.c (scalar_evolution_in_region): New.
2523         * sese.h (scalar_evolution_in_region): Declared.
2524         (defined_in_sese_p): New.
2525         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
2526         static anymore.
2527         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
2528         Declared.
2529
2530 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2531
2532         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
2533         TREE_DATA_REF_H also implies SCEV_H.
2534
2535 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2536
2537         * graphite-poly.c (print_scop_params): New.
2538         (print_scop): Call print_scop_params.
2539         (debug_scop_params): New.
2540         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
2541
2542 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2543
2544         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
2545         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
2546         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
2547         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
2548         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
2549         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
2550
2551 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2552
2553         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
2554         for dependency checking part.
2555         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
2556         tests for dependency checking.
2557         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2558         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2559         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
2560         flag -fdump-tree-graphite-all for autopar testsuites.
2561
2562 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2563
2564         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
2565         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
2566         canonicalize_loop_ivs): Moved...
2567         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
2568
2569 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2570
2571         * tree-parloops.c (try_create_reduction_list): Pass an extra
2572         argument analyzed_reductions.  Call analyze_reduction_list.
2573         (gen_parallel_loop): Do not call analyze_reduction_list.
2574         (parallelize_loops): Init and finalize analyzed_reductions.
2575
2576 2009-07-06  Li Feng  <nemokingdom@gmail.com>
2577
2578         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2579         Added flag -fno-loop-strip-mine for autopar testcase.
2580
2581 2009-07-04  Li Feng  <nemokingdom@gmail.com>
2582
2583         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
2584         transformed scattering dimension instead of unmatch orignal when
2585         calling dependence_polyhedron.
2586
2587 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2588
2589         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
2590
2591 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2592
2593         * graphite-poly.c (pbb_number_of_iterations): Check for returned
2594         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
2595
2596 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2597
2598         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
2599         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
2600         * graphite-poly.c (pbb_number_of_iterations): New.
2601         * graphite-poly.h (pbb_number_of_iterations): Declared.
2602         (pbb_iterator_dim, pbb_parameter_dim): New.
2603
2604 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
2605
2606         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
2607         last commit on type of lower and upper bound of loops.
2608
2609 2009-06-29  Li Feng  <nemokingdom@gmail.com>
2610
2611         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
2612         graphite-dependences.h.
2613         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
2614         (mark_bb_with_pbb): New.
2615         (get_stmtfor_depth): New.
2616         (find_pbb_via_hash): New.
2617         (dependency_in_loop_p): New.
2618         (mark_loops_parallel): New.
2619         (free_aux_in_new_loops): New.
2620         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
2621         bb with it's relevant pbb. Mark newly created loops.  Remove mark
2622         innermost loop parallel without checking.
2623         (gloog): Add parameter BB_PBB_MAPPING.
2624         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
2625         (gloog): Change declaration.
2626         (mark_loop_parallel): Make extern.
2627         (free_aux_in_new_loops): Declare.
2628         (bb_pbb_map_hash): New.
2629         (eq_bb_pbb_map): New.
2630         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
2631         auto parallelization when flag_graphite_force_parallel is set.
2632         (graphite_finalize): Added free_aux_in_new_loops.
2633         * tree-parloops.c (parallelize_loops): Only generate parallel code for
2634         the innermost loop that marked parallel.  Use
2635         flag_graphite_force_parallel instead of loop->can_be_parallel.
2636         (loop_parallel_p): Move inner most checking out of function.
2637
2638 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2639
2640         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
2641         type of lower and upper bound of loops signed long int.
2642
2643 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2644
2645         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
2646         expression outside the loop.
2647
2648 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2649
2650         * gcc.dg/graphite/interchange-8.c: New.
2651
2652 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2653
2654         * gcc.dg/graphite/interchange-0.c: XFailed.
2655         * gcc.dg/graphite/interchange-5.c: XFailed.
2656         * gcc.dg/graphite/interchange-6.c: XFailed.
2657
2658 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2659
2660         * graphite-interchange.c (compute_array_size_poly): The end of the
2661         recursion should return 1.
2662
2663 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2664
2665         * graphite-interchange.c (compute_array_size_cstr): Allow the
2666         subscript multiplier to be -1.
2667         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
2668         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
2669         data_container.  Initializes PDR_DATA_CONTAINER.
2670         (print_pdr_access_layout): New.
2671         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
2672         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
2673         data_container.
2674         (PDR_DATA_CONTAINER): New.
2675         (new_poly_dr): Update declaration.
2676         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
2677         (build_poly_dr): Call pdr_add_data_dimensions.
2678
2679 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2680
2681         * graphite-poly.h (struct poly_dr): Fix comment.
2682         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2683         (pdr_add_memory_accesses): New.
2684         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2685
2686 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2687
2688         * graphite-poly.c (print_pdrs, debug_pdrs): New.
2689         (print_pbb): Add call to print_pdrs.
2690         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2691
2692 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2693             Li Feng <nemokingdom@gmail.com>
2694
2695         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2696         (dependency_between_pbbs_p): New.
2697         (lexicographically_gt_p): Assure !empty_p before polyhedron
2698         intersection assign.
2699         (build_lexicographically_gt_constraint): Correct lexicographically
2700         judging.
2701         * graphite-dependences.h: New.
2702         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2703
2704 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2705
2706         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2707         (gloog): Print to dump_file the generated clast.
2708         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2709         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2710
2711 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2712
2713         * graphite-poly.c (extend_scattering): Increment
2714         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2715
2716 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2717
2718         * graphite-interchange.c (compute_array_size_poly): Added exit of
2719         recursion condition.  Continue iterating even after the first equality.
2720         (compute_array_size): Same.
2721
2722 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2723
2724         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2725         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2726         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2727         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2728         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2729
2730 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2731
2732         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2733         only when the use verifies is_gimple_reg.
2734
2735 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2736
2737         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2738         Allocate scaldims after call to unify_scattering_dimensions.
2739
2740 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2741
2742         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2743
2744 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2745             Albert Cohen  <albert.cohen@inria.fr>
2746
2747         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2748         variables for the strip mining.
2749
2750 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2751             Pranav Garg  <pranav.garg2107@gmail.com>
2752
2753         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2754         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2755         (graphite-blocking.o): New rule.
2756         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2757         * graphite-blocking.c: New.
2758         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2759         flag_loop_strip_mine.
2760         (psct_scattering_dim_for_loop_depth): New.
2761         * graphite-poly.h (scop_do_strip_mine): Declared.
2762         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2763         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2764         flag_loop_strip_mine.
2765
2766 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2767
2768         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2769         a GMP value and a PPL coefficient at each iteration of a loop.
2770
2771 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2772
2773         * graphite-dependences.c (dependence_polyhedron): Do not use
2774         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2775         pbb_nb_scattering_transform.
2776         (graphite_legal_transform_dr): Same.
2777         * graphite-poly.c (extend_scattering): Same.
2778         (unify_scattering_dimensions): Same.
2779         (print_scattering_function): Same.
2780         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2781         PBB_NB_LOCAL_VARIABLES.
2782         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2783         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2784         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2785         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2786         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2787         (pbb_nb_scattering_transform): New.
2788         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2789         (psco_scattering_dim): Add assert on parameters.
2790         (psct_scattering_dim): Same.
2791         (psct_scattering_dim_for_loop_depth): Declared.
2792         (psct_local_var_dim): New.
2793         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2794         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2795         correct layout, call pbb_nb_local_vars.
2796         (psct_add_local_variable, psct_add_scattering_dimension): New.
2797         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2798         Initialize PBB_NB_SCATTERING_TRANSFORM.
2799
2800 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2801
2802         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2803         (set_coef): Renamed ppl_set_coef.
2804         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2805
2806 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2807
2808         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2809         test a boolean against 1.
2810         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2811         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2812         (pbb_do_interchange): Returns true when a transform has been performed.
2813         (scop_do_interchange): Same.
2814         * graphite-poly.c (apply_poly_transforms): Use the return value of
2815         scop_do_interchange.
2816         * graphite-poly.h (scop_do_interchange): Update declaration.
2817
2818 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2819
2820         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2821         after last use.
2822         * sese.c (sese_reset_aux_in_loops): New.
2823         * sese.h (sese_reset_aux_in_loops): New.
2824
2825 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2826
2827         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2828         multiplier and multiply the constant by the multiplier.
2829         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2830         (build_poly_dr): Do not use the multiplier to define the subscript.
2831
2832 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2833
2834         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2835         compiler's data reference.  Initialize PDR_CDR.
2836         (print_pdr): Call dump_data_reference.
2837         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2838         Add compiler_dr field.
2839         (PDR_BB): Renamed PDR_PBB.
2840         (PDR_CDR): New.
2841         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2842         GCC's data reference representation.
2843         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2844         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2845
2846 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2847
2848         * graphite-poly.c (print_scattering_function): Also print the layout.
2849         * graphite-poly.h (pbb_nb_local_vars): New.
2850
2851 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2852
2853         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2854
2855 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2856
2857         * graphite-poly.c (print_pdr, debug_pdr): New.
2858         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2859         (PDR_BASE): Removed.
2860
2861 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2862
2863         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2864         ltrans-{1..6,8}.c.
2865
2866 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2867
2868         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2869         subscript identification column.
2870         (pbb_do_interchange): Print to dump_file that some loops "will be
2871         interchanged".  Rely on that chain of characters in the testcases.
2872         * gcc.dg/graphite/interchange-0.c: New.
2873         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2874         interchange-*.c files and compile them with -floop-interchange.
2875
2876 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2877
2878         * graphite-interchange.c (interchange_profitable_p): Renamed
2879         pbb_interchange_profitable_p.
2880
2881 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2882             Harsha Jagasia  <harsha.jagasia@amd.com>
2883             Pranav Garg  <pranav.garg2107@gmail.com>
2884
2885         * graphite-interchange.c (interchange_profitable_p): Make static.
2886         (pbb_interchange_loop_depths, pbb_do_interchange,
2887         scop_do_interchange): New.
2888         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2889         for flag_loop_interchange.
2890         * graphite-poly.h (scop_do_interchange): Declared.
2891         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2892         flag_loop_interchange is used.
2893
2894 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2895
2896         * graphite-dependences.c (dependence_polyhedron): Update use of
2897         pbb_nb_scattering_dims.
2898         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2899         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2900         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2901         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2902
2903 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2904
2905         * graphite.c: Cleanup foo.
2906
2907 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2908
2909         * Merge from mainline (r143684:148293).
2910         * Disabled libpcp until it gets fixed.
2911
2912 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2913             Harsha Jagasia  <harsha.jagasia@amd.com>
2914
2915         * graphite-interchange.c: New.
2916         * Makefile.in (graphite-interchange.o): New.
2917         * graphite-poly.h (interchange_profitable_p): Declared.
2918         * graphite-ppl.h (value_max): New.
2919
2920 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2921
2922         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2923         * graphite-poly.h: Fix some comments.
2924         (pdr_dim): New.
2925         (pdr_scop): New.
2926
2927 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2928
2929         * graphite-poly.h
2930         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2931         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2932         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2933         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2934         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2935         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2936         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2937         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2938         * graphite-clast-to-gimple.c: Same.
2939         * graphite-dependences.c: Same.
2940         * graphite-poly.c: Same.
2941         * graphite-sese-to-poly.c: Same.
2942
2943 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2944
2945         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2946         expressions for an IV rename, as returned by clast_to_gcc_expression.
2947         (copy_renames): Rename new_name to expr.
2948         * sese.c (debug_rename_elt): Same.
2949         (get_rename): Same.
2950         (set_rename): Same.
2951         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2952         the information from the rename map.
2953         (rename_variables_in_stmt): Same.
2954         (add_loop_exit_phis): Rename new_name to expr.
2955         (insert_loop_close_phis): Same.
2956         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2957         * sese.h (struct rename_map_elt): Rename new_name to expr.
2958         (new_rename_map_elt): Same.
2959
2960 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2961
2962         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2963         * sese.c (set_rename): Make it extern.
2964         * sese.h (set_rename): Declared.
2965
2966 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2967
2968         * graphite-poly.c (extend_scattering): Free values.
2969         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2970         Free iterators.
2971         (ppl_print_powerset_matrix): Same.
2972         * graphite-scop-detection.c (free_scops_1): New.
2973         (limit_scops): Call free_scops_1.
2974         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2975         (build_poly_dr): Free PPL coefficients.
2976         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2977
2978 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2979
2980         * graphite-dependences.c: New.
2981         * graphite-data-ref.c: Removed.
2982         * graphite-data-ref.h: Removed.
2983         * Makefile.in (graphite-data-ref.o): Removed.
2984         (graphite-dependences.o): Added.
2985         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2986         * graphite-poly.c: Same.
2987         Move the data dependence testing to graphite-dependences.c.
2988
2989 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2990
2991         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2992         from graphite_cannot_represent_loop. Code refactored.
2993         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2994
2995 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2996
2997         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2998         Cover all the testcases (not only the filtered ones).
2999
3000 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3001
3002         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
3003         unnecessary check. Update comments. Move check for REAL_TYPE here.
3004         (harmful_stmt_in_bb): Remove checks for conditions. This is already
3005         done in (stmt_simple_for_scop_p).
3006
3007 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
3008
3009         * graphite.c (print_global_statistics): New.
3010         (print_graphite_scop_statistic): New.
3011         (print_graphite_statistics): New.
3012         (graphite_initialize, graphite_transform_loops): Print statistics.
3013         * graphite-scop-detection (build_scops): Print statistics.
3014         (print_graphite_scop_statistics): New.
3015         (print_graphite_statistics): New.
3016
3017 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3018
3019         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
3020         (debug_clast_name_index): Removed.
3021         (debug_clast_name_indexes_1): Removed.
3022         (debug_clast_name_indexes): Removed.
3023         (clast_name_index_elt_info): Removed.
3024         (eq_clast_name_indexes): Removed.
3025         (clast_name_to_index): Removed.
3026         (new_clast_name_index): Removed.
3027         (save_clast_name_index): Removed.
3028         (save_var_name): Moved...
3029         (init_sese_params_index): Removed.
3030         (clast_name_to_gcc): Remove use of name_tree.
3031         (initialize_cloog_names): Same.
3032         (gloog): Do not call init_sese_params_index.
3033         * graphite-sese-to-poly.c (save_var_name): ...here.
3034         (parameter_index_in_region): New.
3035         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
3036         (parameter_index_in_region): Removed.
3037         (is_parameter): Remove use of name_tree.
3038         * sese.h (struct name_tree): Removed.
3039         (struct sese): Remove use of name_tree.  New field params_names.
3040         (SESE_PARAMS_NAMES): New.
3041         (SESE_PARAMS): Remove duplicate.
3042         (parameter_index_in_region): Removed.
3043         (sese_nb_params): Remove use of name_tree.
3044         (struct clast_name_index): New.
3045         (new_clast_name_index): New.
3046         (clast_name_to_index): New.
3047         (save_clast_name_index): New.
3048         (debug_clast_name_index): New.
3049         (debug_clast_name_indexes_1): New.
3050         (debug_clast_name_indexes): New.
3051         (clast_name_index_elt_info): New.
3052         (eq_clast_name_indexes): New.
3053
3054 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3055
3056         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
3057         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
3058         (graphite_loop_normal_form): Do not pass region.  Do not
3059         initialize SESE_OLDIVS.
3060         (build_graphite_loop_normal_form): Update call to
3061         graphite_loop_normal_form.
3062         * sese.c (debug_oldivs): Removed.
3063         (new_sese): Do not initialize SESE_OLDIVS.
3064         (free_sese): Do not free SESE_OLDIVS.
3065         (oldiv_for_loop): Removed.
3066         * sese.h (struct sese): Remove old_ivs.
3067         (SESE_OLDIVS): Removed.
3068         (oldiv_for_loop): Removed.
3069
3070 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3071
3072         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
3073         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
3074         replaced by a call to newivs_to_depth_to_newiv.
3075         (clast_to_gcc_expression): Pass newivs, remove ivstack.
3076         (clast_to_gcc_expression_red): Same.
3077         (gcc_type_for_clast_expr): Same.
3078         (gcc_type_for_clast_eq): Same.
3079         (graphite_translate_clast_equation): Same.
3080         (graphite_create_guard_cond_expr): Same.
3081         (graphite_create_new_guard): Same.
3082         (graphite_create_new_loop): Same.
3083         (build_iv_mapping): Same.
3084         (translate_clast): Same.
3085         (gloog): Same.
3086         (loop_iv_stack_patch_for_consts): Removed.  *
3087         sese.c (iv_stack_entry_is_constant): Removed.
3088         (iv_stack_entry_is_iv): Removed.
3089         (loop_iv_stack_push_iv): Removed.
3090         (loop_iv_stack_insert_constant): Removed.
3091         (loop_iv_stack_pop): Removed.
3092         (loop_iv_stack_get_iv): Removed.
3093         (loop_iv_stack_get_iv_from_name): Removed.
3094         (debug_loop_iv_stack): Removed.
3095         (free_loop_iv_stack): Removed.
3096         (loop_iv_stack_remove_constants): Removed.  *
3097         sese.h (iv_stack_entry_kind): Removed.
3098         (iv_stack_entry_data_union): Removed.
3099         (iv_stack_entry_struct): Removed.
3100         (iv_stack_entry_p): Removed.
3101         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
3102         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
3103         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
3104         loop_iv_stack_pop, free_loop_iv_stack): Removed.
3105         (gbb_loop_at_index): Fix indenting.
3106         (gbb_loop_index): Removed.
3107
3108 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3109
3110         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
3111         Call clast_name_to_index.
3112
3113 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3114
3115         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
3116         do not pass params.  Get params from SESE_PARAMS.
3117         (clast_to_gcc_expression): Same.
3118         (clast_to_gcc_expression_red): Same.
3119         (gcc_type_for_clast_eq): Same.
3120         (graphite_translate_clast_equation): Same.
3121         (graphite_create_new_loop): Same.
3122         * sese.c (rename_variables_in_stmt): Fix comment.
3123
3124 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3125
3126         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
3127         newivs_index.
3128         Call save_clast_name_index.
3129         (translate_clast): Pass newivs_index.
3130         (gloog): Create and free newivs_index.
3131
3132 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3133
3134         * graphite-clast-to-gimple.c (clast_name_index): New structure.
3135         (clast_name_index_p): New type.
3136         (debug_clast_name_index): New.
3137         (debug_clast_name_indexes_1): New.
3138         (debug_clast_name_indexes): New.
3139         (clast_name_index_elt_info): New.
3140         (eq_clast_name_indexes): New.
3141         (clast_name_to_index): New.
3142         (new_clast_name_index): New.
3143         (save_clast_name_index): New.
3144         (init_sese_params_index): New.
3145         (gloog): Call init_sese_params_index.
3146         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
3147         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
3148         (free_sese): Free SESE_PARAMS_INDEX.
3149         * sese.h (struct sese): Add params_index.
3150         (SESE_PARAMS_INDEX): New.
3151
3152 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3153
3154         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
3155         (graphite_create_new_loop): Pass the newivs vector.  Push the
3156         newly created IV to newivs.
3157         (translate_clast): Pass the newivs vector.
3158         (gloog): Create and destroy the newivs vector.
3159
3160 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3161
3162         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
3163         (graphite_loop_normal_form): Initialize loop->aux with the unique
3164         IV that has been created.
3165
3166 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
3167
3168         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
3169         scev with parameters in the base part. They where forbidden
3170         exidently.
3171
3172 2009-05-11  Li Feng  <nemokingdom@gmail.com>
3173
3174         * gcc.dg/graphite/graphite.exp: Set different default
3175         compile options by file names.
3176         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
3177         * gcc.dg/graphite/id-{1-9}.c: Ditto.
3178         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
3179         * gcc.dg/graphite/scop-matmult.c: Ditto.
3180
3181 2009-05-08  Li Feng <nemokingdom@gmail.com>
3182
3183         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
3184         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
3185         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
3186         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
3187
3188 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3189
3190         * graphite-scop-detection (build_scops_1): Fix little bug introduced
3191         by final cleanup.
3192
3193 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3194
3195         * graphite-scop-detection.c (graphite_can_represent_scev): Only
3196         allow integer constant strides.
3197         (graphite_can_represent_expr): Depend on outermost_loop.
3198         (stmt_simple_memref_p, graphite_cannot_represent_loop,
3199         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
3200         build_scops_1): Same.
3201         (scopdet_basic_block_info): Same and insert layered SCoP
3202         detection.
3203         (try_generate_gimple_bb): Cleanup.
3204         (build_scops): Enable data references.
3205
3206         * gcc.dg/graphite/id-5.c: New.
3207         * gcc.dg/graphite/id-9.c: New.
3208         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
3209         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
3210
3211 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3212
3213         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
3214         that we have not yet built for this SCoP.
3215
3216 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3217
3218         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
3219         for complex numbers.
3220
3221 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3222
3223         * graphite-ppl.c: Fix build if cloog is not available.
3224
3225 2009-05-04  Li Feng  <nemokingdom@gmail.com>
3226
3227         * tree-parloops.c (loop_parallel_p): Remove construction of
3228         NITER and REDUCTION_LIST.
3229         (try_get_loop_niter): New.
3230         (try_create_reduction_list): New.
3231         (parallelize_loops): Bypass the failed checkings in autopar
3232         when can_be_parallel in loop structure is set to true.
3233
3234 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3235
3236         * gcc.dg/graphite/id-6.c: Update testcase.
3237         * gcc.dg/graphite/scop-3.c: Dito.
3238
3239 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3240
3241         * graphite-scop-detection.c (stmt_simple_for_scop_p):
3242         Enable EQ_EXPR and NE_EXPR again.
3243
3244 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3245
3246         * graphite-scop-detection.c (graphite_can_represent_scev):
3247         Add check if scev is affine multivariate.
3248         (harmful_stmt_in_bb): Check if we can represent the conditions.
3249         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
3250         harmful_stmt_in_bb.
3251         * gcc.dg/graphite/id-7.c: New.
3252
3253 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3254
3255         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
3256         Check all bbs in region, not only the bbs that are represented in
3257         GRAPHITE.
3258         (build_poly_scop): Add newline.
3259         * gcc.dg/graphite/id-8.c: New.
3260
3261 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3262
3263         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
3264         when loop initialize.
3265         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
3266         * common.opt: Declare flag_graphite_force_parallel.
3267         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
3268         loop parallel.
3269         * graphite-poly.c (apply_poly_transforms): Introduce
3270         flag_graphite_force_parallel.
3271         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
3272         * toplev.c (process_options): ditto and replace a not correctly
3273         encoded space.
3274
3275 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3276
3277         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
3278         Change the call of gbb_loop_at_index and/or gbb_loop_index due
3279         to the redefinition.
3280         (compute_cloog_iv_types_1): ditto.
3281         (build_iv_mapping): ditto.
3282         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
3283         initialization.
3284         (free_gimple_bb): Removed GBB_LOOPS related free part.
3285         (build_bb_loops): Removed.
3286         * sese.h (struct gimple_bb): Removed loops.
3287         (GBB_LOOPS): Removed.
3288         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
3289         (gbb_loop_index): ditto.
3290
3291 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3292
3293         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
3294         allow non constant strides.
3295         * gcc.dg/graphite/scop-20.c: New.
3296
3297 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3298
3299         * graphite-scop-detection.c (dot_all_scops): Fix system call
3300         return value warning.
3301         (dot_scop): Same.
3302
3303 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3304
3305         * gcc.dg/graphite/id-6.c: Fix pattern.
3306         * gcc.dg/graphite/scop-3.c: Same.
3307
3308 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3309
3310         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
3311         build_pairwise_constraint, dr_equality_constraints,
3312         build_pairwise_scheduling_equality,
3313         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3314         build_lexicographically_gt_constraint, dependence_polyhedron,
3315         graphite_legal_transform_dr, graphite_legal_transform_bb,
3316         graphite_legal_transform): New.
3317         * graphite-poly.h (graphite_legal_transform): Declared.
3318         * graphite-sese-to-poly.c (build_poly_scop): Call to
3319         graphite_legal_transform is disabled for the moment.
3320
3321 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3322
3323         * graphite-poly.h (pbb_nb_scattering_dims): New.
3324         (pbb_nb_scattering): Use it.
3325
3326 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3327
3328         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
3329         Pointset_Powerset version of ppl_insert_dimensions.
3330         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
3331
3332 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3333
3334         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
3335
3336 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3337
3338         * graphite-poly.h: Fix comment.
3339
3340 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3341
3342         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
3343
3344 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3345
3346         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
3347         statements.
3348
3349 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3350
3351         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
3352         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
3353         conditions.
3354
3355 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
3356
3357         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
3358         handle EQ_EXPR and NE_EXPR.
3359
3360 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3361
3362         * graphite-poly.h (poly_dr): Fix comment.
3363
3364 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3365             Tobias Grosser  <grosser@fim.uni-passau.de>
3366
3367         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
3368         with a zero dimension polyhedron.
3369         (find_scop_parameters): Move the call to scop_set_nb_params here.
3370         (build_loop_iteration_domains): Store in loop->aux the iteration
3371         domain polyhedron.
3372         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
3373         by any loop in scop.
3374         (build_poly_scop): Do not call scop_set_nb_params.
3375
3376 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3377             Tobias Grosser  <grosser@fim.uni-passau.de>
3378
3379         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
3380         add_condition_to_domain not GT_EXPR.
3381
3382 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3383
3384         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
3385         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
3386         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
3387         upper_bound_assign to calculate unions.
3388         * gcc.dg/graphite/id-6.c: New.
3389
3390 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3391
3392         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
3393         handle abnormal edges.
3394
3395 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3396
3397         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
3398         (free_poly_bb): Also free poly_drs.
3399         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
3400         (poly_dr): Polyhedron to Pointset_Powerset.
3401         (pdr_accessp_nb_subscripts): Same.
3402         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
3403         poly_drs.
3404
3405 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3406
3407         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
3408         names into more meaningful names.
3409
3410 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3411
3412         * gfortran.dg/graphite/interchange-1.c: New.
3413         * gfortran.dg/graphite/interchange-2.c: New.
3414
3415 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3416
3417