gcc/ChangeLog.graphite

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