gcc/ChangeLog.graphite

   1 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         PR middle-end/43354
   4         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
   5         call insert_out_of_ssa_copy for default definitions.
   6         * gfortran.dg/graphite/id-pr43354.f: New.
   7
   8 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
   9
  10         PR middle-end/43349
  11         * gfortran.dg/graphite/pr43349.f: New.
  12
  13 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
  14
  15         * graphite-clast-to-gimple.c (my_long_long): Defined.
  16         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
  17         * graphite-sese-to-poly.c (my_long_long): Defined.
  18         (scop_ivs_can_be_represented): Use it.
  19
  20 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
  21
  22         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
  23         graphite-max-bbs-per-function, and loop-block-tile-size.
  24         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
  25         with "maximum".
  26         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
  27
  28 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
  29
  30         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
  31         forward declaration.
  32         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
  33         (add_upper_bounds_from_estimated_nit): New.
  34         (build_loop_iteration_domains): Use it.
  35
  36 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
  37
  38         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
  39
  40 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
  41
  42         PR middle-end/43306
  43         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
  44         should be an INTEGER_CST.  Also handle CASE_CONVERT.
  45         * gcc.dg/graphite/pr43306.c: New.
  46
  47 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
  48
  49         * graphite.c (graphite_initialize): To bound the number of bbs per
  50         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
  51         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
  52         * doc/invoke.texi: Document it.
  53
  54 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
  55
  56         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
  57         * graphite-sese-to-poly.h (build_poly_scop): Same.
  58
  59 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
  60
  61         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
  62         the number of parameters in the scop.  Use as an upper bound
  63         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
  64         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
  65         * doc/invoke.texi: Document it.
  66
  67 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
  68
  69         * graphite-sese-to-poly.c (add_param_constraints): Use
  70         lower_bound_in_type and upper_bound_in_type.
  71
  72 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
  73
  74         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
  75         instead of unsigned_type_node.
  76
  77 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
  78             Reza Yazdani  <reza.yazdani@amd.com>
  79
  80         PR middle-end/43065
  81         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
  82         on pointer type parameters.
  83
  84         * gcc.dg/graphite/run-id-4.c: New.
  85
  86 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
  87
  88         PR middle-end/43065
  89         * gcc.dg/graphite/run-id-3.c: New.
  90
  91 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
  92             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
  93
  94         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
  95         handle conversions from pointer to integers.
  96         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
  97         induction variable, to be able to work with code generated by CLooG.
  98         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
  99         (build_poly_scop): Bail out if we cannot codegen a loop.
 100
 101 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
 102
 103         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
 104         code generation with gloog_error.
 105
 106 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 107
 108         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
 109         Call fold_convert on all the returned values.
 110         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
 111         the type of the resulting expression.
 112
 113 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 114
 115         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
 116         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
 117         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
 118
 119 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 120
 121         * graphite-dependences.c (map_into_dep_poly): Removed.
 122         (dependence_polyhedron_1): Use combine_context_id_scat.
 123
 124 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 125
 126         * graphite-poly.h (struct poly_scattering): Add layout documentation.
 127         (struct poly_bb): Same.
 128         (combine_context_id_scat): New.
 129
 130 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
 131
 132         PR middle-end/42326
 133         * sese.c (name_defined_in_loop_p): Return false for default
 134         definitions.
 135
 136         * gcc.dg/graphite/pr42326.c: New.
 137
 138 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 139
 140         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
 141         and clean up the logic.
 142
 143 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 144
 145         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
 146         early return.
 147
 148 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 149
 150         PR middle-end/43083
 151         * graphite-scop-detection.c (create_single_exit_edge): Move
 152         the call to find_single_exit_edge to....
 153         (create_sese_edges): ...here.  Don't handle multiple edges
 154         exiting the function.
 155         (build_graphite_scops): Don't handle multiple edges
 156         exiting the function.
 157
 158         * gcc.dg/graphite/pr43083.c: New.
 159
 160 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 161
 162         PR middle-end/43097
 163         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
 164         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
 165
 166         * gfortran.dg/graphite/pr43097.f: New.
 167
 168 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 169             Manuel López-Ibáñez  <manu@gcc.gnu.org>
 170
 171         PR middle-end/43140
 172         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
 173
 174 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 175
 176         PR middle-end/43026
 177         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
 178
 179         * g++.dg/graphite/pr43026.C: New.
 180
 181 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
 182
 183         * Merge from mainline (154736:156693).
 184
 185 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
 186
 187         PR middle-end/43012
 188         * gcc.dg/graphite/pr43012.c: New.
 189
 190 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 191
 192         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
 193 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 194
 195         * g++.dg/graphite/pr42930.C: New.
 196
 197 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 198
 199         PR middle-end/42930
 200         * graphite-scop-detection.c (graphite_can_represent_scev): Call
 201         graphite_can_represent_init for MULT_EXPR.
 202
 203 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 204
 205         PR middle-end/42914
 206         PR middle-end/42530
 207         * graphite-sese-to-poly.c (remove_phi): New.
 208         (translate_scalar_reduction_to_array): Call remove_phi.
 209
 210         * gcc.dg/graphite/pr42530.c: New.
 211         * gcc.dg/graphite/pr42914.c: New.
 212
 213 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 214
 215         PR middle-end/42771
 216         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
 217         * graphite-clast-to-gimple.h (gloog): Update declaration.
 218         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
 219         * graphite-poly.h (struct poly_bb): Add missing comments.
 220         (struct scop): Add poly_scop_p field.
 221         (POLY_SCOP_P): New.
 222         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
 223         * graphite.c (graphite_transform_loops): Build the polyhedral
 224         representation for each scop before code generation.
 225         * sese.c (rename_variables_in_operand): Removed.
 226         (rename_variables_in_expr): Return the renamed expression.
 227         (rename_sese_parameters): New.
 228         * sese.h (rename_sese_parameters): Declared.
 229
 230         * gcc.dg/graphite/pr42771.c: New.
 231
 232 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 233
 234         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
 235         return 0 from main.
 236         * gcc.dg/graphite/block-1.c: Same.
 237         * gcc.dg/graphite/block-3.c: Same.
 238         * gcc.dg/graphite/block-4.c: Same.
 239         * gcc.dg/graphite/block-5.c: Same.
 240         * gcc.dg/graphite/block-6.c: Same.
 241         * gcc.dg/graphite/block-7.c: Same.
 242         * gcc.dg/graphite/interchange-0.c: Same.
 243         * gcc.dg/graphite/interchange-1.c: Same.
 244         * gcc.dg/graphite/interchange-10.c: Same.
 245         * gcc.dg/graphite/interchange-11.c: Same.
 246         * gcc.dg/graphite/interchange-12.c: Same.
 247         * gcc.dg/graphite/interchange-2.c: Same.
 248         * gcc.dg/graphite/interchange-3.c: Same.
 249         * gcc.dg/graphite/interchange-4.c: Same.
 250         * gcc.dg/graphite/interchange-5.c: Same.
 251         * gcc.dg/graphite/interchange-6.c: Same.
 252         * gcc.dg/graphite/interchange-7.c: Same.
 253         * gcc.dg/graphite/interchange-8.c: Same.
 254         * gcc.dg/graphite/interchange-9.c: Same.
 255         * gcc.dg/graphite/interchange-mvt.c: Same.
 256
 257 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 258
 259         * gfortran.dg/graphite/id-19.f: New.
 260         * gfortran.dg/graphite/pr14741.f90: New.
 261         * gfortran.dg/graphite/pr41924.f90: New.
 262         * gfortran.dg/graphite/run-id-2.f90: New.
 263
 264 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 265
 266         PR middle-end/42988
 267         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
 268         to unknown_dependence.
 269         (graphite_legal_transform_dr): Handle the unknown_dependence.
 270         (graphite_carried_dependence_level_k): Same.
 271
 272 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 273
 274         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
 275
 276 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
 277             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 278
 279         PR middle-end/42637
 280         * graphite-dependences.c (build_lexicographical_constraint): Return
 281         a union of dependence polyhedra.
 282         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
 283
 284         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
 285         * gcc.dg/graphite/block-4.c: Same.
 286         * gcc.dg/graphite/block-7.c: Same.
 287         * gcc.dg/graphite/interchange-12.c: Same.
 288         * gcc.dg/graphite/interchange-mvt.c: Same.
 289         * gfortran.dg/graphite/interchange-1.f: XFAILed.
 290         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
 291         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
 292
 293 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 294
 295         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
 296         the execution check to FAIL.  This testcase is miscompiled by Graphite
 297         and the check should be re-enabled.
 298         * gcc.dg/graphite/interchange-mvt.c: Same.
 299         * gcc.dg/graphite/block-0.c: Same.
 300         * gcc.dg/graphite/block-4.c: Same.
 301         * gcc.dg/graphite/block-7.c: Same.
 302
 303 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 304
 305         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
 306         * gcc.dg/graphite/scop-0.c: Fix spaces.
 307         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
 308         * gfortran.dg/graphite/block-2.f: Same.
 309         * gfortran.dg/graphite/block-3.f90: Same.
 310         * gfortran.dg/graphite/block-4.f90: Same.
 311         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
 312         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
 313
 314 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 315
 316         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
 317         PDDR_ORIGINAL_SCATTERING_P.
 318         (pddr_is_empty): Rewritten.
 319         (print_dependence_polyhedron_layout): New.
 320         (print_pddr): New.
 321         (debug_pddr): New.
 322         (build_alias_set_powerset): Moved up.
 323         (poly_drs_may_alias_p): Moved up.
 324         (lexicographically_gt_p): Removed.
 325         (build_lexicographically_gt_constraint): Renamed
 326         build_lexicographical_constraint, reimplemented.
 327         (dependence_polyhedron_1): Simplified parameters.
 328         (dependence_polyhedron): Same.  Keep along empty PDDRs
 329         to make efficient use of the cache.
 330         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
 331         (graphite_legal_transform_dr): Rewritten.
 332         (graphite_legal_transform_bb): Pass fewer arguments to
 333         graphite_legal_transform_dr.
 334         (graphite_carried_dependence_level_k): Simplified implementation.
 335         (dot_original_deps_stmt_1): Call dependence_polyhedron.
 336         (dot_transformed_deps_stmt_1): Same.
 337         (dot_original_deps): Same.
 338         (dot_transformed_deps): Same.
 339         * graphite-dependences.h (struct poly_ddr): Added a new field
 340         original_scattering_p.
 341         (PDDR_ORIGINAL_SCATTERING_P): New.
 342         (print_pddr): Declared.
 343         (debug_pddr): Declared.
 344         * graphite-ppl.c: Clarify comment.
 345         * sese.h (print_gimple_bb): Removed unused declaration.
 346         (debug_gbb): Same.
 347
 348 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 349
 350         * g++.dg/graphite/graphite.exp: Rewritten.
 351         * gcc.dg/graphite/graphite.exp: Rewritten.
 352         * gfortran.dg/graphite/graphite.exp: Rewritten.
 353         * gcc.dg/graphite/block-0.c: Added runtime test.
 354         * gcc.dg/graphite/block-1.c: Same.
 355         * gcc.dg/graphite/block-3.c: Same.
 356         * gcc.dg/graphite/block-4.c: Same.
 357         * gcc.dg/graphite/block-5.c: Same.
 358         * gcc.dg/graphite/block-6.c: Same.
 359         * gcc.dg/graphite/block-7.c: Same.
 360         * gcc.dg/graphite/interchange-0.c: Same.
 361         * gcc.dg/graphite/interchange-1.c: Same.
 362         * gcc.dg/graphite/interchange-10.c: Same.
 363         * gcc.dg/graphite/interchange-11.c: Same.
 364         * gcc.dg/graphite/interchange-12.c: Same.
 365         * gcc.dg/graphite/interchange-2.c: Same.
 366         * gcc.dg/graphite/interchange-3.c: Same.
 367         * gcc.dg/graphite/interchange-4.c: Same.
 368         * gcc.dg/graphite/interchange-5.c: Same.
 369         * gcc.dg/graphite/interchange-6.c: Same.
 370         * gcc.dg/graphite/interchange-7.c: Same.
 371         * gcc.dg/graphite/interchange-8.c: Same.
 372         * gcc.dg/graphite/interchange-9.c: Same.
 373         * gcc.dg/graphite/interchange-mvt.c: Same.
 374         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
 375
 376 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 377
 378         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
 379           background.
 380
 381 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 382
 383         * common.opt: Add -fgraphite-cloog-opts.
 384         * graphite-clast-to-gimple.c (set_cloog_options): Same.
 385         * opts.c (decode_options): Same.
 386
 387 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 388
 389         * gcc.dg/graphite/id-17.c: New.
 390         * gcc.dg/graphite/pr41888.c: New.
 391         * gcc.dg/graphite/scop-22.c: New.
 392         * gfortran.dg/graphite/pr40982.f90: New.
 393
 394 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 395
 396         * graphite-dependences.c: Clarify comments.
 397         (build_pddr): Add an extra parameter direction.
 398         (graphite_legal_transform_dr): Use build_pddr.
 399         (dot_original_deps_stmt_1): Update use of build_pddr.
 400         (dot_transformed_deps_stmt_1): Same.
 401         (dot_original_deps): Same.
 402         (dot_transformed_deps): Same.
 403
 404         * gcc.dg/graphite/interchange-12.c: New.
 405         * gcc.dg/graphite/block-7.c: New.
 406
 407 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 408
 409         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
 410         (pddr_transformed_scattering): Removed.
 411         (graphite_legal_transform_dr): Use build_pddr.
 412         (dot_original_deps_stmt_1): Same.
 413         (dot_transformed_deps_stmt_1): Same.
 414         (dot_original_deps): Same.
 415         (dot_transformed_deps): Same.
 416
 417 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 418
 419         * graphite-dependences.c (lexicographically_gt_p): Add comments.
 420         (build_lexicographically_gt_constraint): Same.
 421         (dependence_polyhedron_1): Same.
 422         (dependence_polyhedron): Same.
 423
 424 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 425
 426         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
 427         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
 428         (lexicographically_gt_p): Change type of direction to int.
 429         (build_lexicographically_gt_constraint): Same.
 430         (dependence_polyhedron_1): Same.
 431         (dependence_polyhedron): Same.
 432         (pddr_original_scattering): Use integers for direction.
 433         (pddr_transformed_scattering): Same.
 434         (graphite_legal_transform_dr): Same.
 435         (graphite_carried_dependence_level_k): Same.
 436
 437 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 438
 439         * graphite-dependences.c (build_pairwise_constraint): Renamed
 440         ppl_build_relation.  Moved...
 441         (dr_equality_constraints): Use ppl_build_relation.
 442         (build_pairwise_scheduling_equality): Same.
 443         (build_pairwise_scheduling_inequality): Same.
 444         * graphite-ppl.c (ppl_build_relation): ...here.
 445         * graphite-ppl.h (ppl_build_relation): Declared.
 446
 447 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 448
 449         PR middle-end/42681
 450         * graphite-clast-to-gimple.c (gloog_error): New static variable.
 451         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
 452         Set gloog_error when such an expression failed to be built.
 453         (translate_clast): Early return when gloog_error is set.
 454         (gloog): Clear gloog_error.  When gloog_error is set, call
 455         set_ifsese_condition to enable the original code.  Return the status
 456         of the code generation based on gloog_error.
 457         * sese.c (set_ifsese_condition): New.
 458         * sese.h (set_ifsese_condition): Declared.
 459
 460         * g++.dg/graphite/pr42681.C: New.
 461
 462 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 463
 464         PR middle-end/42732
 465         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
 466         rename_nb_iterations.
 467         * sese.c (rename_variables_in_operand): New.
 468         (rename_variables_in_expr): New.
 469         (rename_nb_iterations): New.
 470         (sese_adjust_liveout_phis): Update the rename_map.
 471         * sese.h (rename_nb_iterations): Declared.
 472         * tree-scalar-evolution.c (scev_reset_htab): New.
 473         (scev_reset): Call scev_reset_htab.
 474         * tree-scalar-evolution.h (scev_reset_htab): Declared.
 475
 476         * gfortran.dg/graphite/pr42732.f: New.
 477
 478 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 479
 480         PR middle-end/42393
 481         * graphite-clast-to-gimple.c: Fix formatting.
 482         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
 483         (expr_defined_in_loop_p): New.
 484         (add_loop_exit_phis): Also handle full expressions: remove from
 485         the rename_map the expressions defined in the loop that we're closing.
 486
 487         * gfortran.dg/graphite/pr42393-1.f90: New.
 488         * gfortran.dg/graphite/pr42393.f90: Add new flags
 489         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
 490         make this testcase useful in the Graphite branch.
 491
 492 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 493
 494         * graphite-scop-detection.c (exclude_component_ref): Removed.
 495         (is_simple_operand): Removed.
 496         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
 497
 498 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 499
 500         PR middle-end/42221
 501         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 502         the array indexing of ADDR_EXPRs.
 503
 504         * gcc.dg/graphite/pr42221.c: New.
 505
 506 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 507
 508         PR middle-end/42521
 509         * graphite.c (graphite_finalize): Call scev_reset.
 510         (graphite_transform_loops): Do not call scev_reset between the code
 511         generation of scops.
 512
 513         * gcc.dg/graphite/pr42521.c: New.
 514
 515 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 516
 517         * graphite-interchange.c (memory_stride_in_loop): Renamed
 518         pdr_stride_in_loop.
 519         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
 520         (memory_strides_in_loop): Memoize the memory strides per loop.
 521         (lst_interchange_profitable_p): Do not initialize to zero the memory
 522         strides.
 523         * graphite-poly.h (struct lst): Add a field memory_strides.
 524         (LST_LOOP_MEMORY_STRIDES): New.
 525         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
 526         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
 527
 528 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 529
 530         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
 531         memory_strides_in_loop.  Gather memory strides on a whole loop.
 532         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
 533         (lst_interchange_profitable_p): Removed.
 534         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
 535
 536 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 537
 538         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 539         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 540         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 541         Remove context_loop and level.
 542
 543 2010-01-07  Richard Guenther  <rguenther@suse.de>
 544
 545         PR tree-optimization/42641
 546         * sese.c (rename_map_elt_info): Use the SSA name version, do
 547         not hash pointers.
 548
 549 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 550
 551         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
 552         blocked" only when both the strip mine and the interchange have
 553         been applied.
 554
 555         * gcc.dg/graphite/block-2.c: Removed.
 556         * gcc.dg/graphite/block-3.c: Add scan pattern.
 557         * gcc.dg/graphite/block-4.c: Same.
 558         * gcc.dg/graphite/block-5.c: Same.
 559         * gcc.dg/graphite/block-6.c: Same.
 560
 561 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 562
 563         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
 564         before allocating a new one.
 565         (copy_renames): Check that slot is not NULL.
 566         (mark_bb_with_pbb): Same.
 567         (compute_cloog_iv_types_1): Same.
 568         * graphite-interchange.c (lst_perfect_nestify): Free the before,
 569         nest, and after LSTs.
 570         (lst_try_interchange_loops): Same.
 571
 572 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
 573
 574         PR middle-end/42178
 575         * graphite-interchange.c (lst_try_interchange_loops): Do not return
 576         the before, nest, and after LSTs.
 577         (lst_try_interchange): Removed.
 578         (lst_interchange_select_inner): Do not iterate over the LSTs if they
 579         were modified.
 580         (lst_interchange_select_outer): Apply interchange on the outer loop
 581         until there are no more changes in the inner loops.
 582
 583 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 584
 585         Revert patch fixing PR middle-end/42221.
 586
 587 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 588
 589         PR middle-end/42180
 590         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
 591         GIMPLE_CALL.
 592
 593         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
 594
 595 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 596
 597         PR middle-end/42180
 598         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
 599         that contain only one statement.
 600
 601         * gfortran.dg/graphite/pr42180.f90: New.
 602
 603 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 604
 605         PR middle-end/42393
 606         * gfortran.dg/graphite/pr42393.f90: New.
 607
 608 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 609
 610         PR middle-end/42186
 611         * gfortran.dg/graphite/pr42186.f90: New.
 612
 613 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 614
 615         PR middle-end/42205
 616         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
 617         Insert the reduction copy in the same block as the phi node.
 618         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
 619
 620         * gcc.dg/graphite/pr42205-1.c: New.
 621         * gcc.dg/graphite/pr42205-2.c: New.
 622
 623 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 624
 625         PR middle-end/42221
 626         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 627         the array indexing of ADDR_EXPRs.
 628
 629         * gcc.dg/graphite/pr42221.c: New.
 630
 631 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 632
 633         PR middle-end/42178
 634         PR middle-end/42334
 635         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
 636         index.  Call lst_interchange_select_inner only once.
 637         (lst_interchange_select_inner): Update use of lst_try_interchange.
 638         (lst_interchange_select_outer): Update.
 639
 640 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 641
 642         PR middle-end/42178
 643         PR middle-end/42334
 644         * graphite-interchange.c (lst_try_interchange): Do not increment the
 645         the OUTER index when there is no AFTER kernel.  Do not increment the
 646         OUTER index for after processing the AFTER kernel.
 647         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
 648         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
 649         index.  Do not pass to lst_interchange_select_inner the OUTER index.
 650         (scop_do_interchange): Update use of lst_interchange_select_outer.
 651
 652         * gfortran.dg/graphite/graphite.exp
 653         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
 654         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
 655         the graphite dump file.
 656         * gfortran.dg/graphite/interchange-2.f: Same.
 657         * gfortran.dg/graphite/pr42334-1.f: New.
 658
 659 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 660
 661         PR middle-end/42178
 662         PR middle-end/42334
 663         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
 664         that are empty.
 665         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
 666         (lst_try_interchange): Reimplemented.
 667         (lst_interchange_select_inner): Same.
 668         (lst_do_interchange): Renamed lst_interchange_select_outer.
 669         Reimplemented.
 670         (scop_do_interchange): Update use of lst_interchange_select_outer.
 671
 672         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
 673         * gcc.dg/graphite/block-0.c: Un-XFAILed.
 674         * gcc.dg/graphite/pr42211.c: New.
 675         * gfortran.dg/graphite/pr42334.f90: New.
 676
 677 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
 678
 679         PR middle-end/42181
 680         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
 681         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
 682
 683         * gfortran.dg/graphite/pr42181.f90: New.
 684
 685 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
 686
 687         PR middle-end/42284
 688         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
 689         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
 690         (detect_commutative_reduction_arg): Simplified.
 691         (detect_commutative_reduction): Early return when the argument of
 692         the close phi is not of an SSA_NAME.
 693
 694         * gcc.dg/graphite/pr42284.c: New.
 695
 696 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
 697
 698         * dbgcnt.def (graphite_scop): New counter.
 699         * graphite.c: Include dbgcnt.h
 700         (graphite_transform_loops): Use new counter to limit transformations.
 701
 702 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
 703
 704         PR middle-end/42285
 705         * graphite-scop-detection.c (graphite_can_represent_init): Also
 706         handle more complex MULT_EXPRs containing parameters by recursion
 707         on the structure.
 708
 709         * gfortran.dg/graphite/pr42285.f90: New.
 710
 711 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
 712
 713         * g++.dg/graphite/pr42130.C: Fix type.
 714
 715 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
 716
 717         * g++.dg/graphite/pr42130.C: Correct testcase.
 718
 719 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
 720
 721         * Merge from mainline (154493:154734).
 722
 723 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
 724
 725         * Merge from mainline (151362:154491).
 726
 727 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 728
 729         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
 730         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
 731
 732 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 733
 734         PR middle-end/42130
 735         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
 736         translate_clast_for_loop): New.
 737         (translate_clast_for): Add a condition around the loop, to do not
 738         execute loops with zero iterations.
 739         * g++.dg/graphite/pr42130.C: New.
 740         * gcc.dg/graphite/pr35356-2.c: Adapt.
 741
 742 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 743
 744         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 745         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 746         Remove context_loop and level.
 747
 748 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 749
 750         * graphite-clast-to-gimple.c (translate_clast_user,
 751         translate_clast_for, translate_clast_guard): Simplify and move common
 752         elements to translate_clast().
 753         (translate_clast): Simplify and get common elements.
 754
 755 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 756
 757         * graphite-clast-to-gimple.c (translate_clast_user,
 758         translate_clast_for, translate_clast_guard): Split out of
 759         translate_clast.
 760
 761 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
 762
 763         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
 764         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
 765         debug_clast_name_indexes_1, debug_clast_name_indexes,
 766         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
 767         (clast_name_to_gcc, clast_to_gcc_expression,
 768         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
 769         gcc_type_for_clast_eq, graphite_translate_clast_equation,
 770         graphite_create_guard_cond_expr, graphite_create_new_loop,
 771         translate_clast): Add params_index.
 772         (initialize_cloog_names): Create parameter strings from scratch, do
 773         not reference other strings.
 774         (create_params_index): New.
 775         (gloog): Initialize params_index.
 776         * graphite-scop-detection (free_scops_1): Removed.
 777         (limit_scops): Use normal free_scops.
 778         * graphite-sese-to-poly.c (save_var_names): Removed.
 779         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
 780         and SESE_PARAMS_INDEX.
 781         * sese.c (new_sese, free_sese): Dito.
 782         * sese.h (struct sese): Remove params_index, params_names.
 783         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
 784
 785 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 786
 787         Revert the following patch from 2009-09-14:
 788         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 789         tree-scalar-evolution.h, and then tree-data-ref.h.
 790         * graphite-clast-to-gimple.c: Same.
 791         * graphite-dependences.c: Same.
 792         * graphite-interchange.c: Same.
 793         * graphite-poly.c: Same.
 794         * graphite-scop-detection.c: Same.
 795         * graphite-sese-to-poly.c: Same.
 796         * graphite.c: Same.
 797         * lambda-code.c: Same.
 798         * matrix-reorg.c: Same.
 799         * tree-data-ref.c: Same.
 800         * tree-if-conv.c: Same.
 801         * tree-loop-distribu: Same.: Same.
 802         * tree-loop-linear.c: Same.
 803         * tree-parloops.c: Same.
 804         * tree-predcom.c: Same.
 805         * tree-vect-patterns.c: Same.
 806
 807 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 808
 809         Revert patch from 2009-09-14.
 810         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
 811         passes at -O1 and below.
 812
 813 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 814
 815         PR middle-end/40281
 816         * gcc.dg/graphite/pr40281.c: New.
 817
 818         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
 819         evolutions should not variate in inner loops.
 820
 821 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 822
 823         PR middle-end/42050
 824         * gfortran.dg/graphite/pr42050.f90: New.
 825
 826 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 827
 828         * graphite-interchange.c (memory_strides_in_loop_depth): New.
 829         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
 830
 831 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 832
 833         * graphite-blocking.c (scop_do_block): New.
 834         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
 835         * graphite-poly.h (scop_do_block): Declared.
 836
 837 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 838
 839         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
 840         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 841         to transform depth into the time_depth before calling
 842         pbb_number_of_iterations_at_time.
 843         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 844         lst_depth.
 845
 846 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 847
 848         Reverted the patch for "scattering permutations" from 2009-10-28.
 849
 850         * graphite-poly.c (print_permutation): New.
 851         (debug_permutation): New.
 852         (new_poly_bb): Initialize PBB_PERMUTATION.
 853         (free_poly_bb): Free PBB_PERMUTATION.
 854         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 855         (struct pbb_permutation_elt): New.
 856         (PBB_PERMUTATION_ELT_STRIDE): New.
 857         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 858         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 859         (new_pbb_permutation_elt): New.
 860         (pbb_permutation_elt_free): New.
 861         (struct poly_bb): Add field permutation.
 862         (PBB_PERMUTATION): New.
 863         (print_permutation): Declared.
 864         (debug_permutation): Declared.
 865
 866 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 867
 868         * graphite-interchange.c (build_partial_difference): New.
 869         (memory_stride_in_loop): Refactored the computation of
 870         equality constraints into build_partial_difference function.
 871         Added support for debugging stride computations.
 872
 873 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 874
 875         * graphite-clast-to-gimple.c (gloog): Free if_region,
 876         if_region->true_region, and if_region->region.
 877         * sese.c (if_region_set_false_region): Free if_region->false_region.
 878         (create_if_region_on_edge): Do not use GGC_NEW.
 879         (move_sese_in_condition): Remove useless initialization.
 880
 881 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 882
 883         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
 884         for the loops created by the loop distribution.  Do not modify the
 885         input LSTs.
 886         (lst_try_interchange_loops): Same.  Use a temporary LST for the
 887         transformed schedule.  Call lst_update_scattering before data
 888         dependence analysis.
 889         (lst_try_interchange): Pass an extra parameter INDEX.
 890         (lst_do_interchange_1): New.
 891         (lst_do_interchange): Call lst_do_interchange_1.
 892         (scop_do_interchange): Call lst_update_scattering.
 893         * graphite-poly.c (apply_poly_transforms): Do not call
 894         lst_update_scattering.
 895         * graphite-poly.h (lst_pred): New.
 896         (lst_succ): New.
 897         (lst_find_first_pbb): Return NULL when not found.
 898         (lst_empty_p): New.
 899         (lst_insert_in_sequence): Allow LST1 to be NULL.
 900         (lst_replace): New.
 901         (lst_substitute_3): New.
 902         * gcc.dg/graphite/interchange-1.c: XFail.
 903         * gcc.dg/graphite/interchange-8.c: XFail.
 904         * gcc.dg/graphite/interchange-11.c: XFail.
 905
 906 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 907
 908         * graphite-interchange.c (lst_perfectly_nested_p): New.
 909         (lst_perfect_nestify): New.
 910         (lst_try_interchange_loops): Call store_lst_schedule,
 911         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
 912         (scop_do_interchange): Avoid redundant legality test.
 913         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
 914         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
 915         * graphite-poly.h (psct_static_dim): New.
 916         (lst_dewey_number_at_depth): New.
 917         (lst_find_pbb): Restructured.
 918         (lst_find_first_pbb): Restructured.
 919         (lst_find_last_pbb): New.
 920         (lst_contains_p): New.
 921         (lst_contains_pbb): New.
 922         (lst_create_nest): New.
 923         (lst_remove_from_sequence): New.
 924         (pbb_update_scattering): New.
 925         (lst_update_scattering_under): New.
 926         (lst_update_scattering_seq): New.
 927         (lst_update_scattering): New.
 928         (lst_insert_in_sequence): New.
 929         (lst_distribute_lst): New.
 930         (lst_remove_all_before_including_pbb): New.
 931         (lst_remove_all_before_excluding_pbb): New.
 932
 933 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 934
 935         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
 936         get_loop_exit_edges.
 937
 938 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 939
 940         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
 941
 942 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 943
 944         * graphite-poly.c (print_permutation): New.
 945         (debug_permutation): New.
 946         (new_poly_bb): Initialize PBB_PERMUTATION.
 947         (free_poly_bb): Free PBB_PERMUTATION.
 948         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 949         (struct pbb_permutation_elt): New.
 950         (PBB_PERMUTATION_ELT_STRIDE): New.
 951         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 952         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 953         (new_pbb_permutation_elt): New.
 954         (pbb_permutation_elt_free): New.
 955         (struct poly_bb): Add field permutation.
 956         (PBB_PERMUTATION): New.
 957         (print_permutation): Declared.
 958         (debug_permutation): Declared.
 959
 960 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 961
 962         * graphite-clast-to-gimple.c (gloog): Do not call
 963         sese_reset_aux_in_loops.
 964         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
 965         extra argument for domains.  Do not use loop->aux.
 966         (build_scop_iteration_domain): Initialize and free domains, pass it
 967         to build_loop_iteration_domains and extract the information from
 968         domains.  Do not use loop->aux.
 969         * sese.c (sese_reset_aux_in_loops): Removed.
 970         * sese.h (sese_reset_aux_in_loops): Removed.
 971
 972 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 973
 974         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
 975         (dependency_in_loop_p): Same.
 976         (translate_clast): Do not use loop->aux.  Initialize
 977         loop->can_be_parallel.
 978         (mark_loops_parallel): Removed.
 979         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
 980         * graphite.c (free_aux_in_new_loops): Removed.
 981         (graphite_finalize): Do not call free_aux_in_new_loops.
 982         (graphite_transform_loops): Do not call mark_loops_parallel.
 983
 984 2009-10-26  Li Feng  <nemokingdom@gmail.com>
 985
 986         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
 987         (translate_clast): Pass an extra parameter LEVEL.
 988         Call get_scattering_level.
 989         * graphite-clast-to-gimple.h (get_scattering_level): New.
 990
 991 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 992
 993         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
 994         * cfgloop.h (struct loop): New field single_iv.
 995
 996         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
 997         loop->aux anymore: use loop->single_iv.
 998         (graphite_loop_normal_form): Moved...
 999         (build_graphite_loop_normal_form): Removed.
1000         (gloog): Do not call build_graphite_loop_normal_form.
1001         (free_aux_in_new_loops): Moved...
1002         (mark_loops_parallel): Restructure.
1003         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
1004         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
1005         (scop_canonicalize_loops): New.
1006         (build_poly_scop): Call scop_canonicalize_loops.
1007         * graphite.c (free_aux_in_new_loops): ...here.
1008
1009 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1010
1011         * g++.dg/graphite/graphite.exp: Add the same rules as in
1012         gcc.dg/graphite/graphite.exp.
1013
1014 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1015
1016         * g++.dg/graphite/id-1.C: New.
1017
1018 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1019
1020         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
1021         argument base_name.
1022         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
1023         (rewrite_phi_out_of_ssa): Same.
1024         (rewrite_cross_bb_scalar_deps): Same.
1025         (translate_scalar_reduction_to_array): Same.
1026
1027 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1028
1029         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
1030         dump_alias_graphs.
1031
1032 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1033
1034         * graphite-sese-to-poly.c (dump_alias_graphs): New.
1035         (build_scop_drs): Call dump_alias_graphs.
1036
1037 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1038
1039         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
1040         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1041         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
1042         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1043         * graphite-poly.h (free_lst): New.
1044         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
1045         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
1046
1047 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1048
1049         * graphite-poly.h (struct scop): Add a field saved_schedule.
1050         (SCOP_SAVED_SCHEDULE): New.
1051         (store_lst_schedule): New.
1052         (restore_lst_schedule): New.
1053         (store_scattering): Call store_lst_schedule.
1054         (restore_scattering): Call restore_lst_schedule.
1055
1056 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1057
1058         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
1059         (pdr_add_alias_set): Same.
1060         (build_poly_dr): Same.
1061         (build_alias_set_optimal_p): Same.
1062         (build_base_obj_set_for_drs): Same.  Do not store the result of
1063         graphds_dfs.
1064
1065 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1066
1067         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
1068         all_components_are_cliques to 1.
1069
1070 2009-10-20  Li Feng  <nemokingdom@gmail.com>
1071
1072         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
1073         the new structure.
1074         (pdr_add_alias_set): Update retrieving alias_set_num.
1075         (build_poly_dr): Update retrieving dr_base_object_set.
1076         (partition_drs_to_sets): Remove.
1077         (build_alias_set_optimal_p): New.
1078         (build_alias_set_for_drs): Rename.
1079         (build_scop_drs): Update.
1080         * graphite-sese-to-poly.h (struct base_alias_pair): New.
1081         (ALIAS_SET_INDEX): Remove.
1082         (BASE_OBJECT_SET_INDEX): Remove.
1083
1084 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1085
1086         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
1087
1088 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1089
1090         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
1091         loop upper bounds for 1-element arrays at end of structures.
1092         * tree-flow.h (array_at_struct_end_p): Declared.
1093         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
1094
1095 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1096
1097         * g++.dg/graphite/pr41305.C: New.
1098
1099 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
1100
1101         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
1102         construction of parameter constraints from loop iteration analysis.
1103         * gcc.dg/graphite/run-id-2.c: New test.
1104
1105 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1106
1107         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
1108         and new_cstr.
1109
1110 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1111
1112         * graphite-dependences.c (dependence_polyhedron_1): Remove
1113         unused gdim dimensions from the DDR polyhedron.
1114
1115 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1116
1117         * graphite-dependences.c (pddr_transformed_scattering): New.
1118         (dot_original_deps_stmt_1): New.
1119         (dot_transformed_deps_stmt_1): New.
1120         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
1121         dot_transformed_deps_stmt_1.
1122         (dot_original_deps): New.
1123         (dot_transformed_deps): New.
1124         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
1125
1126 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1127
1128         * graphite-dependences.c (reduction_dr_1): Remove wrong
1129         assert: reduction BBs can have multiple reduction writes
1130         to memory.  interchange-3.f90 is an example.
1131
1132 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1133
1134         * gfortran.dg/graphite/interchange-3.f90: New.
1135
1136 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1137
1138         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
1139
1140 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1141
1142         * graphite-dependences.c (dependence_polyhedron_1): Add the
1143         context to the dependence polyhedron.
1144
1145 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1146
1147         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
1148         PBB_PDR_DUPLICATES_REMOVED.
1149         (new_poly_bb): Same.
1150
1151 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1152
1153         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
1154         SCOP_CONTEXT.
1155         (build_loop_iteration_domains): Extract bounds on parameters
1156         based on the data size.
1157         (build_scop_context): Do not initialize SCOP_CONTEXT;
1158         add new constraints.
1159
1160 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1161
1162         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
1163         * graphite-ppl.h (graphite-ppl.h): Declared.
1164
1165 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1166
1167         * graphite-ppl.c (ppl_print_linear_expr): New.
1168         (debug_ppl_linear_expr): New.
1169         * graphite-ppl.h (ppl_print_linear_expr): Declared.
1170         (debug_ppl_linear_expr): Declared.
1171
1172 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1173
1174         * graphite-interchange.c: Fix comments.
1175         * gcc.dg/graphite/block-1.c: Fix comments.
1176
1177 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1178
1179         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
1180         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
1181
1182 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1183
1184         Reapply the patch from Alexander Monakov that disappeared during
1185         the last merges from trunk.
1186
1187         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1188
1189         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1190         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1191
1192 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1193
1194         * graphite-interchange.c (memory_stride_in_loop): The depth
1195         argument corresponds to a dynamic time dimension, so use
1196         psct_dynamic_dim to refer to the transformed scattering dimension.
1197
1198 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1199
1200         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
1201
1202 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1203
1204         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
1205         root of the LST.
1206         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
1207         the root of the LST.
1208         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
1209         fake loop.
1210         (print_lst): Print the root of LST in a different format.
1211         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
1212
1213 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1214
1215         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
1216
1217 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1218
1219         * doc/passes.texi: Document the Graphite infrastructure.
1220
1221 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1222
1223         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
1224         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
1225         and check the SSA representation.
1226
1227         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
1228
1229 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1230
1231         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
1232
1233 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1234
1235         * gcc.dg/graphite/interchange-11.c: New.
1236
1237 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1238
1239         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
1240
1241 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1242
1243         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1244         Add -fno-loop-strip-mine and -fno-loop-interchange.
1245         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
1246         -fno-loop-strip-mine.
1247         * gfortran.dg/graphite/graphite.exp: Same.
1248
1249 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1250
1251         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1252         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
1253         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
1254         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
1255         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
1256         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
1257         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
1258         DEFAULT_FLAGS_GRAPHITE_SCOP.
1259         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
1260         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
1261
1262 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1263
1264         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
1265
1266 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1267             Sebastian Pop  <sebastian.pop@amd.com>
1268
1269         * graphite-interchange.c (build_linearized_memory_access): Pass an
1270         offset as parameter.
1271         (memory_stride_in_loop): Include transform scattering in the
1272         access functions to be able to querry the strides in the
1273         transformed loops.
1274         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
1275         not the psct_iterator_dim.
1276
1277 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1278
1279         * graphite-blocking.c (pbb_do_strip_mine): Removed.
1280         (lst_do_strip_mine_loop): New.
1281         (lst_do_strip_mine): New.
1282         (scop_do_strip_mine): Call lst_do_strip_mine.
1283         * graphite-poly.h (lst_add_loop_under_loop): New.
1284         (lst_find_first_pbb): New.
1285
1286 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1287
1288         * graphite-poly.c (loop_to_lst): Fix LST creation.
1289
1290 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1291
1292         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
1293         sizeof(unsigned long) to make it run on 32bit systems.
1294
1295 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1296
1297         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
1298         SEGFAULT on 32bit.
1299
1300 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1301
1302         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
1303         Comment.
1304         (write_alias_graph_to_ascii_dot): New.
1305         (write_alias_graph_to_ascii_ecc): Ditto.
1306         (partition_drs_to_sets): Add testing of optimality of current method
1307         which assigns alias numbers according to DFS Comopnent number.  used
1308         as heuristic for the upcoming ECC algorithm.
1309         (build_scop_drs): Write to file also with the ecc and dot format.
1310
1311 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1312
1313         * gfortran.dg/graphite/interchange-1.f: XFail.
1314
1315 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1316
1317         * graphite.c (graphite_initialize): Do not handle functions with
1318         more than 100 basic blocks.
1319
1320 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1321
1322         * graphite-blocking.c (pbb_do_strip_mine): Use
1323         PARAM_LOOP_BLOCK_TILE_SIZE.
1324
1325 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1326
1327         * graphite-poly.c (dot_lst_1): New.
1328         (dot_lst): New.
1329         * graphite-poly.h (dot_lst): Declared.
1330
1331 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1332
1333         * graphite-dependences.c (dot_deps_stmt_1): New.
1334         (dot_deps_stmt): New.
1335         * graphite-dependences.h (dot_deps_stmt): Declared.
1336
1337 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1338
1339         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
1340         not replace cross BB scalar dependences ending on PHI nodes.
1341         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
1342
1343 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1344
1345         * graphite-poly.c (apply_poly_transforms): Implement the high
1346         level driver for flag_loop_block.
1347         * opts.c (decode_options): Enable flag_loop_block at -O2.
1348         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
1349         flag_loop_block.
1350
1351         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
1352         -floop-block.
1353         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1354         Add -floop-block.
1355
1356 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1357
1358         * graphite-poly.h (lst_find_pbb): New.
1359         (find_lst_loop): New.
1360
1361 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1362
1363         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
1364         * graphite-poly.h (struct scop): Remove dep_graph field.
1365         (SCOP_DEP_GRAPH): Removed.
1366
1367 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1368
1369         * graphite-poly.h (copy_lst): Do full copy of LST.
1370
1371 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
1372
1373         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
1374         when the loop stride is zero.
1375
1376         * gcc.dg/graphite/id-16.c: New.
1377
1378 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1379
1380         * graphite-dependences.c (reduction_dr_1): New.
1381         (reduction_dr_p): New.
1382         (graphite_legal_transform_dr): Call reduction_dr_p.
1383         (reduction_ddr): Renamed reduction_ddr_p.
1384         * graphite-poly.h (same_pdr_p): New.
1385         (number_of_write_pdrs): New.
1386         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
1387         (split_reduction_stmt): Do not split reduction statements
1388         when there are no writes to memory.
1389         (translate_scalar_reduction_to_array_for_stmt): Insert the
1390         memory reduction statement just after the scalar reduction statement.
1391
1392         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
1393         Un-XFAIL-ed.
1394         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
1395         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
1396
1397 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1398
1399         * graphite-interchange.c (lst_apply_interchange): New.
1400         (lst_interchange_profitable_p): New.
1401         (lst_try_interchange_loops): New.
1402         (lst_try_interchange): New.
1403         (lst_do_interchange): New.
1404         (pbb_do_interchange): Removed.
1405         (scop_do_interchange): Call lst_do_interchange.
1406
1407 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1408
1409         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
1410         SCOP_TRANSFORMED_SCHEDULE.
1411         (loop_to_lst): New.
1412         (scop_to_lst): New.
1413         (print_lst): New.
1414         (debug_lst): New.
1415         * graphite-poly.h (lst_p): New.
1416         (struct lst): New.
1417         (LST_LOOP_P): New.
1418         (LST_LOOP_FATHER): New.
1419         (LST_PBB): New.
1420         (LST_SEQ): New.
1421         (scop_to_lst): Declared.
1422         (print_lst): Declared.
1423         (debug_lst): Declared.
1424         (new_lst_loop): New.
1425         (new_lst_stmt): New.
1426         (copy_lst): New.
1427         (lst_depth): New.
1428         (lst_dewey_number): New.
1429         (struct scop): Add original_schedule and transformed_schedule fields.
1430         (SCOP_ORIGINAL_SCHEDULE): New.
1431         (SCOP_TRANSFORMED_SCHEDULE): New.
1432         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
1433
1434 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1435
1436         * graphite-dependences.c (reduction_ddr): New.
1437         (graphite_legal_transform_bb): Call reduction_ddr.
1438         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
1439         Initialize PBB_IS_REDUCTION.
1440         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
1441         (PBB_IS_REDUCTION): New.
1442         (new_poly_bb): Update declaration.
1443         * graphite-scop-detection.h (build_scop_bbs): Removed.
1444         (nb_reductions_in_loop): Removed.
1445         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
1446         parameter for reductions.
1447         (try_generate_gimple_bb): Update call to new_poly_bb.
1448         (build_scop_bbs_1): Same.
1449         (build_scop_bbs): Same.
1450         (gsi_for_phi_node): New.
1451         (scalar_close_phi_node_p): Remove gcc_assert.
1452         (split_reduction_stmt): New.
1453         (is_reduction_operation_p): New.
1454         (phi_contains_arg): New.
1455         (follow_ssa_with_commutative_ops): New.
1456         (detect_commutative_reduction_arg): New.
1457         (detect_commutative_reduction_assign): New.
1458         (follow_inital_value_to_phi): New.
1459         (edge_initial_value_for_loop_phi): New.
1460         (initial_value_for_loop_phi): New.
1461         (detect_commutative_reduction): New.
1462         (translate_scalar_reduction_to_array_for_stmt): New.
1463         (insert_copyout): New.
1464         (insert_copyin): New.
1465         (translate_scalar_reduction_to_array): New.
1466         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
1467         (rewrite_commutative_reductions_out_of_ssa_loop): New.
1468         (rewrite_commutative_reductions_out_of_ssa): New.
1469         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
1470         * sese.h (split_region_for_bb): New.
1471
1472         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
1473         * gcc.dg/graphite/interchange-1.c: Fix format.
1474         * gcc.dg/graphite/interchange-10.c: New.
1475
1476 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1477
1478         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
1479         buggy assert.
1480
1481 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1482
1483         * graphite-sese-to-poly.c (scev_analyzable_p): New.
1484         (rewrite_cross_bb_scalar_dependence): New.
1485         (rewrite_cross_bb_scalar_deps): New.
1486         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
1487         Call rewrite_cross_bb_scalar_deps.
1488
1489 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1490
1491         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
1492         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
1493         gsi_for_stmt.
1494
1495 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1496
1497         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
1498         * graphite-interchange.c (pbb_do_interchange): Same.
1499         * graphite-poly.c (print_scattering_function): Same.
1500         (debug_pdrs): Same.
1501         * graphite-poly.h (pbb_loop): New.
1502         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
1503
1504 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1505
1506         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
1507
1508 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1509
1510         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
1511         so don't pass a pointer to it.
1512         (build_alias_set_for_drs): Same.
1513         (build_base_obj_set_for_drs): Same.
1514         (build_scop_drs): Same.
1515
1516 2009-09-26  Li Feng  <nemokingdom@gmail.com>
1517
1518         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
1519         the alias graph of data references.
1520
1521 2009-09-25  Li Feng  <nemokingdom@gmail.com>
1522
1523         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
1524         (build_scop_drs): When debugging, write the alias graph to file,
1525         otherwise, should be disabled.
1526
1527 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1528
1529         * Merge from mainline (151310:151361).
1530
1531 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1532
1533         * Merge from mainline (151171:151310).
1534
1535 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1536
1537         * Merge from mainline (151171:151806).
1538
1539 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1540
1541         * Revert the last commit.
1542
1543 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1544
1545         * Merge from mainline (151171:151819).
1546
1547 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1548
1549         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
1550         (is_simple_operand): Remove call to stmt_simple_memref_p.
1551         (stmt_simple_for_scop_p): Update call to is_simple_operand.
1552
1553 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
1554
1555         * gcc.dg/graphite/interchange-mvt.c: New File.
1556         * gcc.dg/graphite/scop-dsyrk.c: New File.
1557         * gcc.dg/graphite/scop-dsyr2k.c: New File.
1558         * gcc.dg/graphite/scop-mvt.c: New File.
1559         * gcc.dg/graphite/scop-sor.c: New File.
1560
1561 2009-09-17 Li Feng  <nemokingdom@gmail.com>
1562
1563         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
1564         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
1565         (graphite_carried_dependence_level_k): Ditto.
1566         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
1567         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
1568         (new_poly_dr): Adjust declaration.
1569         * graphite-sese-to-poly.c (free_data_refs_aux): New.
1570         (free_gimple_bb): Added free_data_refs_aux.
1571         (build_poly_dr): Add dr_base_object_set.
1572         (partition_drs_to_sets): New.
1573         (dr_same_base_object_p): New.
1574         (build_alias_set_for_drs): New.
1575         (build_base_object_set_for_drs): New.
1576         (build_scop_drs): Add build_base_obj_set_for_drs.
1577         * graphite-sese-to-poly.h: Added #define for alias set number index and
1578         base object set index.
1579         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1580         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1581
1582 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1583
1584         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1585         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1586
1587 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1588
1589         * graphite-sese-to-poly.c (struct irp_data): Removed.
1590         (idx_record_params): Removed.
1591         (find_params_in_bb): Scan for parameters the access functions; don't
1592         parse the tree representation.
1593
1594 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1595
1596         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
1597         passes at -O1 and below.
1598
1599 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1600
1601         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1602         tree-scalar-evolution.h, and then tree-data-ref.h.
1603         * graphite-clast-to-gimple.c: Same.
1604         * graphite-dependences.c: Same.
1605         * graphite-interchange.c: Same.
1606         * graphite-poly.c: Same.
1607         * graphite-scop-detection.c: Same.
1608         * graphite-sese-to-poly.c: Same.
1609         * graphite.c: Same.
1610         * lambda-code.c: Same.
1611         * matrix-reorg.c: Same.
1612         * tree-data-ref.c: Same.
1613         * tree-if-conv.c: Same.
1614         * tree-loop-distribu: Same.: Same.
1615         * tree-loop-linear.c: Same.
1616         * tree-parloops.c: Same.
1617         * tree-predcom.c: Same.
1618         * tree-vect-patterns.c: Same.
1619
1620 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1621
1622         Partially revert the previous patch, except the following.
1623         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1624         as parameters the operands of the not expression.
1625
1626 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1627
1628         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1629         Do not call analyze_scalar_evolution on assignments.
1630         (instantiate_scev_phi): Call analyze_scalar_evolution.
1631         (instantiate_scev_name): Call instantiate_scev_assign and
1632         instantiate_scev_phi.
1633         (instantiate_scev_not): Adapted to pass as parameters the operands
1634         of the not expression.
1635
1636 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1637
1638         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1639         to pass as parameters the operands of the binary expression.
1640
1641 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1642
1643         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1644         instantiate_scev_not.  Handle NEGATE_EXPR.
1645         (instantiate_scev_r): Handle NEGATE_EXPR.
1646
1647 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1648
1649         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1650         instantiate_scev_r.
1651         (instantiate_scev_r): Move code in instantiate_scev_2
1652         and instantiate_scev_1.
1653
1654 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1655
1656         * tree-scalar-evolution.c (instantiate_scev_3): New.
1657         (instantiate_scev_1): Move code in instantiate_scev_3.
1658
1659 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1660
1661         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1662         (instantiate_scev_1): Move code in instantiate_scev_poly.
1663
1664 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1665
1666         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1667         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1668
1669 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1670
1671         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1672         (instantiate_scev_1): Move code in instantiate_scev_convert.
1673
1674 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1675
1676         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1677         (instantiate_scev_1): Move code in instantiate_scev_binary.
1678
1679 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1680
1681         * tree-scalar-evolution.c (instantiate_scev_name): New.
1682         (instantiate_scev_1): Move code in instantiate_scev_name.
1683
1684 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1685
1686         * Merge from mainline (150992:151171).
1687
1688 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1689
1690         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
1691
1692 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1693
1694         * graphite-dependences.c (graphite_legal_transform_bb): Call
1695         pbb_remove_duplicate_pdrs.
1696         * graphite-poly.c (can_collapse_pdr): Removed.
1697         (pdr_find_duplicate): Removed.
1698         (can_collapse_pdrs): New.
1699         (pbb_remove_duplicate_pdrs): New.
1700         (new_poly_dr): Do not look for duplicates.
1701         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1702         (PBB_PDR_DUPLICATES_REMOVED): New.
1703         (pbb_remove_duplicate_pdrs): Declared.
1704
1705 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1706
1707         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1708         the strides by multiplying by PDR_NB_REFS.
1709         * graphite-poly.c (can_collapse_pdr): New.
1710         (pdr_find_duplicate): New.
1711         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1712         Initialize PDR_NB_REFS.
1713         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1714         (PDR_NB_REFS): New.
1715         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1716
1717 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1718
1719         Revert one of the previous commits:
1720         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1721         the computation of symmetric data dependence relations.
1722         (dependency_between_pbbs_p): Same.
1723
1724 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1725
1726         PR middle-end/40965
1727         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1728         any transform.
1729
1730 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1731
1732         * graphite-dependences.c (pddr_original_scattering): Return NULL
1733         for read-read dependence relations.
1734         * graphite-poly.h (enum poly_dr_type): Fix comment.
1735         (pdr_read_p): New.
1736         (pdr_write_p): New.
1737         (pdr_may_write_p): New.
1738
1739 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1740
1741         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1742         (struct poly_dr): Same.
1743         (new_poly_dr): Same.
1744         * graphite-poly.c (new_poly_dr): Same.
1745
1746 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1747             Sebastian Pop  <sebastian.pop@amd.com>
1748
1749         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1750         pbb_strip_mine_time_depth.  Changed the implementation so that
1751         transformation is expressed as a transformation on
1752         time (scatttering) dimensions.  Also, ensures that the 2d+1
1753         scheduling format is preserved.
1754         (pbb_strip_mine_profitable_p): Profitability is based on the
1755         iteration number of a given time (scattering) dimension,
1756         and not on a original loop depth dimension.
1757         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1758         (pbb_do_strip_mine): Call psct_dynamic_dim.
1759         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1760         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1761         (pbb_nb_dynamic_scattering_transform): New.
1762         (psct_dynamic_dim): New.
1763
1764 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1765
1766         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1767         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1768         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1769         * graphite-interchange.c (build_linearized_memory_access): Same.
1770         (memory_stride_in_loop): Same.
1771
1772 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1773
1774         * graphite-dependences.c (pddr_original_scattering): New.
1775         (graphite_legal_transform_dr): Call pddr_original_scattering.
1776         (dot_deps_1): New.
1777         (dot_deps): New.
1778         * graphite-dependences.h (dot_deps): Declared.
1779         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1780         (print_pdr): Print PDR_ID.
1781         * graphite-poly.h (struct poly_dr): Add field id.
1782         (PDR_ID): New.
1783         (pbb_index): New.
1784         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1785
1786 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1787
1788         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1789         not delete the original dependence relation.
1790
1791 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1792
1793         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1794         the computation of symmetric data dependence relations.
1795         (dependency_between_pbbs_p): Same.
1796
1797 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1798
1799         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1800         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1801         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1802         (free_poly_ddr): New.
1803         (pddr_is_empty): New.
1804         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1805         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1806         Remove fprintfs.
1807         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1808         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1809         * graphite-dependences.h (enum poly_dependence_kind): New.
1810         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1811         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1812         (PDRP_SINK): Renamed PDDR_SINK.
1813         (PDRP_DDP): Renamed PDDR_DDP.
1814         (PDDR_KIND): New.
1815         (free_poly_ddr): Declared.
1816         * graphite-poly.c (new_scop): Use the new hash function names.
1817         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1818         into original_pddrs.
1819         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1820
1821 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1822
1823         * Merge from mainline (150764:150992).
1824
1825 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1826
1827         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1828         bounds with LT_EXPR to make niter analysis more precise on code
1829         generated by Graphite.
1830
1831 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1832
1833         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1834         (graphite_legal_transform_bb): Same.
1835         (poly_drs_may_alias_p): Same.
1836
1837 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1838
1839         PR middle-end/40981
1840         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1841         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1842
1843 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1844
1845         * graphite-poly.c (print_pbb): Print PBB index.
1846
1847 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1848
1849         * Merge from mainline (r150672:150764).
1850
1851 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1852
1853         * graphite-interchange.c (ppl_max_for_le): Moved...
1854         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1855         * graphite-ppl.c (ppl_max_for_le): ... here.
1856         * graphite-ppl.h (ppl_max_for_le): Declared.
1857
1858 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1859
1860         * Merge from mainline (r150372:150672).
1861
1862 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1863
1864         PR middle-end/40980
1865         * sese.c (convert_for_phi_arg): New.
1866         (add_guard_exit_phis): Use convert_for_phi_arg.
1867
1868         * gfortran.dg/graphite/id-17.f: New.
1869
1870 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1871
1872         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1873         unknown subscript upper bounds.
1874
1875         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1876
1877 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1878             Pranav Garg  <pranav.garg2107@gmail.com>
1879
1880         * graphite-interchange.c (gather_access_strides): Removed.
1881         (ppl_max_for_le): New.
1882         (build_linearized_memory_access): New.
1883         (memory_stride_in_loop): New.
1884         (pbb_interchange_profitable_p): Reimplemented.
1885         * graphite-ppl.h (ppl_new_id_map): New.
1886         (ppl_interchange): New.
1887
1888         * gcc.dg/graphite/interchange-6.c: XFAILed.
1889
1890 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1891
1892         * graphite-interchange.c (compute_subscript): Removed.
1893         (compute_array_size_cstr): Removed.
1894         (compute_array_size_poly): Removed.
1895         (compute_array_size): Removed.
1896         (gather_access_strides_poly): Removed.
1897         (gather_access_strides): Empty.
1898
1899 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1900
1901         * graphite-dependences.c (dependence_polyhedron_1): Replace
1902         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1903         (graphite_legal_transform_dr): Same.
1904         (graphite_carried_dependence_level_k): Same.
1905         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1906         Initialize PDR_NB_SUBSCRIPTS.
1907         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1908         PDR_NB_SUBSCRIPTS.
1909         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1910         (PDR_NB_SUBSCRIPTS): New.
1911         (pdr_nb_subscripts): Removed.
1912         (pdr_dim): Simplified.
1913         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1914         with PDR_NB_SUBSCRIPTS.
1915
1916 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1917
1918         * graphite-interchange.c (compute_array_size): Remove use of
1919         PDR_DATA_CONTAINER.
1920         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1921         Do not initialize PDR_DATA_CONTAINER.
1922         (print_pdr): Do not print PDR_DATA_CONTAINER.
1923         * graphite-poly.h (struct poly_dr): Remove data_container field.
1924         (PDR_DATA_CONTAINER): Removed.
1925         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1926         PDR_DATA_CONTAINER.
1927         (build_poly_dr): Same.
1928
1929 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1930
1931         * gcc.dg/graphite/interchange-9.c: New.
1932
1933 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1934             Sebastian Pop  <sebastian.pop@amd.com>
1935
1936         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1937         copy of the dependence polyhedron.  Free the temporary objects.
1938         (graphite_carried_dependence_level_k): Free unused objects before
1939         returning.
1940
1941         * gcc.dg/graphite/interchange-1.c: XFAILed.
1942         * gcc.dg/graphite/interchange-2.c: XFAILed.
1943         * gcc.dg/graphite/interchange-3.c: XFAILed.
1944         * gcc.dg/graphite/interchange-4.c: XFAILed.
1945         * gcc.dg/graphite/interchange-7.c: XFAILed.
1946
1947 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1948
1949         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1950         Early return without analyzing the data dependences if no
1951         transform has been done.  Call restore_scattering if the transform
1952         is not legal.
1953         (graphite-interchange.c): Same.
1954         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1955         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1956         (apply_poly_transforms): Do not gcc_assert that
1957         the transform is legal.
1958         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1959         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1960         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1961         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1962         * graphite-poly.h (struct poly_scattering): New.
1963         (struct poly_bb): Add original, transformed, and saved fields.
1964         Remove transformed_scattering, original_scattering, nb_local_variables,
1965         and nb_scattering_transform fields.
1966         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1967         (poly_scattering_new): New.
1968         (poly_scattering_free): New.
1969         (poly_scattering_copy): New.
1970         (store_scattering_pbb): New.
1971         (store_scattering): New.
1972         (restore_scattering_pbb): New.
1973         (restore_scattering): New.
1974         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1975         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1976
1977 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1978
1979         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1980         (print_scop): Same.
1981
1982 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1983
1984         * Makefile.in (graphite.o): Depends on PREDICT_H.
1985         * graphite.c: Include predict.h.
1986         (graphite_finalize): Call tree_estimate_probability.
1987         * predict.c (predict_loops): Do not call scev_initialize and
1988         scev_finalize.
1989         (tree_estimate_probability_bb): New.
1990         (tree_estimate_probability): Do not initialize loops: move that
1991         code to the driver.  Call tree_estimate_probability_bb.
1992         (tree_estimate_probability_driver): New.
1993         (pass_profile): Use tree_estimate_probability_driver.
1994         * predict.h (tree_estimate_probability): Declared.
1995
1996 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1997
1998         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1999         * graphite-dependences.c (graphite_legal_transform): Add time to
2000         TV_GRAPHITE_DATA_DEPS.
2001         (dependency_between_pbbs_p): Same.
2002         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
2003
2004 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
2005
2006         * Merge from mainline (r149952:150372).
2007
2008 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2009
2010         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
2011         * graphite-blocking.c: Same.
2012         * graphite-clast-to-gimple.c: Same.
2013         * graphite-dependences.c: Same.
2014         * graphite-poly.c: Same.
2015         * graphite-poly.h: Same.
2016         * graphite-ppl.c: Same.
2017         * graphite-scop-detection.c: Same.
2018         * graphite-sese-to-poly.c: Same.
2019         * graphite.c: Same.
2020
2021 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2022
2023         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
2024         (remove_simple_copy_phi): New.
2025         (remove_invariant_phi): New.
2026         (simple_copy_phi_p): New.
2027         (reduction_phi_p): New.
2028         (gsi_for_ssa_name_def): New.
2029         (insert_out_of_ssa_copy): New.
2030         (insert_out_of_ssa_copy_on_edge): New.
2031         (create_zero_dim_array): New.
2032         (scalar_close_phi_node_p): New.
2033         (rewrite_close_phi_out_of_ssa): New.
2034         (rewrite_phi_out_of_ssa): New.
2035         (rewrite_reductions_out_of_ssa): New.
2036         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
2037
2038         * gcc.dg/graphite/id-11.c: New.
2039         * gcc.dg/graphite/id-15.c: New.
2040         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
2041         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
2042         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
2043         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
2044         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
2045         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
2046         * gfortran.dg/graphite/id-13.f: New.
2047         * gfortran.dg/graphite/id-5.f: New.
2048
2049 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2050
2051         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
2052         check that nb_reductions_in_loop is zero.
2053         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
2054         reduction phi nodes.
2055         (nb_reductions_in_loop): Removed.
2056         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
2057         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
2058         (bb_contains_non_iv_scalar_phi_nodes): Removed.
2059         (scop_contains_non_iv_scalar_phi_nodes): Removed.
2060         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
2061
2062 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2063
2064         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
2065         statements that have an empty iteration domain.
2066         * gfortran.dg/graphite/id-16.f: New.
2067
2068 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2069
2070         * tree-scalar-evolution.c (instantiate_scev_1): Return
2071         chrec_dont_know when the result is not above instantiate_below.
2072         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
2073         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
2074         the tree has a known scalar evolution.
2075         * gfortran.dg/graphite/id-14.f: New.
2076         * gfortran.dg/graphite/id-15.f: New.
2077
2078 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2079
2080         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
2081         insert_gsi.
2082         (rename_variables): Keep inserting renames after the ones already
2083         inserted.
2084
2085 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2086
2087         * graphite-sese-to-poly.c (compare_bb_depths): New.
2088         (graphite_sort_dominated_info): New.
2089         (build_scop_bbs_1): Call graphite_sort_dominated_info.
2090         (build_scop_scattering): Fix comment.
2091
2092 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2093
2094         * graphite.c (graphite_finalize): Call print_loops instead of
2095         dump_function_to_file.
2096         * gcc.dg/graphite/graphite.exp: Fix formatting.
2097         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
2098         loops generated in the graphite output file.
2099         * gcc.dg/graphite/pr35356-2.c: New.
2100         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
2101         * gfortran.dg/graphite/id-12.f: New.
2102
2103 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2104
2105         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
2106         Remove 2 XFAIL.
2107
2108 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2109             Tobias Grosser  <grosser@fim.uni-passau.de>
2110
2111         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
2112         alias set number build alias in ACCESSES polyhedron.
2113         (build_alias_set_for_drs): New.
2114         (build_pbb_drs): Added build_alias_set_for_drs.
2115         * graphite-dependences.c (poly_drs_may_alias_p): New.
2116         (graphite_carried_dependence_level_k): Check alias information
2117         before building polyhedron.
2118
2119 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2120
2121         * Makefile.in (lambda-code.o): Fix formatting.
2122
2123 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2124
2125         * Merge from mainline (r149350-149952)
2126
2127 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2128
2129         * graphite-poly.c (apply_poly_transforms): Move strip_mine
2130         before interchange to prepare for loop blocking.
2131
2132 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2133
2134         * graphite-poly.c (apply_poly_transforms): Add checks after every
2135         transformation.
2136         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
2137         done in apply_poly_transforms.
2138
2139 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2140
2141         * graphite-dependences.c (build_lexicographically_gt_constraint):
2142         Replace RES parameter with *RES.
2143         (dependence_polyhedron_1): Pass an address of the parameter RES
2144         instead of value of RES.
2145
2146 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2147
2148         * graphite.c (graphite_finalize): Fix comment.
2149         (graphite_transform_loops): Reset scev info after code generation
2150         of each scop.
2151
2152 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2153
2154         * graphite.c (graphite_finalize): Call scev_reset.
2155
2156 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2157
2158         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
2159         GBB_CLOOG_IV_TYPES hash table twice.
2160         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
2161         (add_condition_to_domain): Clear GMP values.
2162
2163 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2164
2165         * graphite-dependences.c: Fix formatting.
2166         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
2167         (pbb_number_of_iterations): Free ppl_Linear_Expression.
2168         * graphite-sese-to-poly.c: Fix formatting.
2169         * graphite.c (graphite_transform_loops): Create the hash table
2170         after the early return.
2171
2172 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2173
2174         * gcc.dg/graphite/id-14.c: New.
2175         * gcc.dg/graphite/pr40157.c: New.
2176         * gfortran.dg/graphite/id-11.f: New.
2177
2178 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2179
2180         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
2181         (build_poly_scop): Return false when there are no pbbs within
2182         loops to avoid to pass to cloog scops with no loops.
2183
2184 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2185
2186         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
2187         useless test "i % 2".
2188         (build_pbb_scattering_polyhedrons): Fix formatting.
2189         (build_poly_dr): Same.
2190         * graphite.c (graphite_transform_loops): Restructure.
2191
2192 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
2193
2194         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
2195         reduction_list parameter.
2196         (rewrite_all_phi_nodes_with_iv): Same.
2197         (canonicalize_loop_ivs): Same.
2198         * tree-parloops.c (struct brli): Removed.
2199         (build_reduction_list_info): Removed.
2200         (build_new_reduction): New.
2201         (analyze_reduction_list): Removed.
2202         (gather_scalar_reductions): Find reductions instead of phi
2203         nodes that can't be canonicalized.
2204         (try_create_reduction_list): Remove reduction_list parameter.
2205         (gen_parallel_loop): Same.
2206         (parallelize_loops): Remove analyze_reductions variable,
2207         initialization and free.
2208         Change reduction_list htab initialization to reduction_info
2209         elements instead of ssa names.
2210         Call try_create_reduction_list and gen_parallel_loop without
2211         analyzed_reduction argument.
2212         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
2213         canonicalize_loop_ivs with one less argument.
2214         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
2215
2216 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2217
2218         * graphite-dependences.c (new_poly_dr_pair): New.
2219         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
2220         (new_poly_dr_pair): New.
2221         (eq_poly_dr_pair_p): New.
2222         (hash_poly_dr_pair_p): New.
2223         * graphite-dependences.h (struct poly_dr_pair): New.
2224         (eq_poly_dr_pair_p): Declared.
2225         (hash_poly_dr_pair_p): Declared.
2226         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
2227         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
2228         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
2229         * Makefile.in (graphite-poly.o): Add dependence on
2230         graphite-dependences.h.
2231
2232 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2233
2234         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
2235         polynomials of degree > 1 pass to Graphite.
2236         * tree-chrec.c (scev_is_linear_expression): Call
2237         evolution_function_is_affine_multivariate_p.
2238         * gfortran.dg/graphite/id-10.f90: New.
2239
2240 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2241
2242         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
2243         Instantiate scevs varying in outer loops.
2244         * gfortran.dg/graphite/id-9.f: Correct testcase.
2245
2246 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2247
2248         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
2249         redundant constraint.
2250
2251 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2252
2253         * gcc.dg/graphite/graphite.exp: Fix comments.
2254         * gfortran.dg/graphite/graphite.exp: Trigger actions
2255         based on the file names as in the C testsuite.
2256         * gfortran.dg/graphite/block-1.f90: Fix patterns.
2257         * gfortran.dg/graphite/block-2.f: Same.
2258         * gfortran.dg/graphite/block-3.f90: Same.
2259         * gfortran.dg/graphite/block-4.f90: Same.
2260         * gfortran.dg/graphite/id-1.f90: Same.
2261         * gfortran.dg/graphite/id-2.f90: Same.
2262         * gfortran.dg/graphite/id-3.f90: Same.
2263         * gfortran.dg/graphite/id-4.f90: Same.
2264         * gfortran.dg/graphite/id-6.f: Same.
2265         * gfortran.dg/graphite/id-9.f: Same.
2266         * gfortran.dg/graphite/interchange-1.f: Same.
2267         * gfortran.dg/graphite/interchange-2.f: Same.
2268         * gfortran.dg/graphite/scop-1.f: Same.
2269
2270 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2271
2272         * sese.c (expand_scalar_variables_call): New.
2273         (expand_scalar_variables_ssa_name): Handle calls in expander.
2274
2275 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2276
2277         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
2278         Expect to see the pattern twice.
2279         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
2280         * gcc.dg/graphite/interchange-5.c: Same.
2281         * gcc.dg/graphite/interchange-6.c: Same.
2282
2283 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2284
2285         * gcc.dg/graphite/id-10.c: New.
2286         * gcc.dg/graphite/id-12.c: New.
2287         * gfortran.dg/graphite/id-7.f: New.
2288         * gfortran.dg/graphite/id-8.f: New.
2289
2290 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2291
2292         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
2293         zero.
2294
2295 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2296
2297         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
2298
2299 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2300
2301         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
2302
2303 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2304
2305         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
2306         building PDR subscripts.
2307
2308 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2309
2310         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
2311         computation of array sizes.
2312
2313 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2314
2315         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
2316
2317 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2318
2319         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
2320         build_pairwise_constraint, dr_equality_constraints,
2321         build_pairwise_scheduling_equality,
2322         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2323         build_lexicographically_gt_constraint, dependence_polyhedron,
2324         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
2325         Move from NNC_Polyhedron to C_Polyhedron.
2326         * graphite-interchange.c (compute_array_size_poly,
2327         gather_access_strides): Dito.
2328         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
2329         free_scop, pbb_number_of_iterations): Dito.
2330         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
2331         pbb_dim_iter_domain, struct scop): Dito.
2332         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
2333         new_Cloog_Domain_from_ppl_Polyhedron,
2334         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
2335         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
2336         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
2337         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
2338         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
2339         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
2340         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
2341         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
2342         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
2343         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
2344         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
2345         build_scop_iteration_domain, build_poly_dr): Dito
2346
2347 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2348
2349         * gcc.dg/graphite/graphite.exp: Added a rule to execute
2350         run-id-*.c files.
2351         * gcc.dg/graphite/run-id-1.c: New.
2352
2353 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2354
2355         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
2356         positivity constraint on the symbolic number of iterations.
2357
2358 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2359
2360         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
2361
2362 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2363             Tobias Grosser  <grosser@fim.uni-passau.de>
2364
2365         * graphite-clast-to-gimple.c (build_scop_context): Removed.
2366         (build_cloog_prog): Directly use SCOP_CONTEXT.
2367         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
2368         (free_scop): Free SCOP_CONTEXT.
2369         (print_scop_context): New.
2370         (print_scop): Call print_scop_context.
2371         (debug_scop_context): New.
2372         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
2373         (struct scop): Added field context.
2374         (SCOP_CONTEXT): New.
2375         * graphite-sese-to-poly.c (add_param_constraints): New.
2376         (build_scop_context): New.
2377         (build_poly_scop): Call build_scop_context.
2378
2379 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2380
2381         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
2382         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
2383         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
2384         * graphite-ppl.h: Include double-int.h and tree.h.
2385         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
2386         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
2387         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
2388         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
2389
2390 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2391
2392         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
2393         POINTER_PLUS_EXPR for pointer types.
2394         (clast_to_gcc_expression): Same.
2395
2396 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2397
2398         * graphite-poly.c (print_scattering_function): Early return when
2399         PBB_TRANSFORMED_SCATTERING is not initialized.
2400         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
2401
2402 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
2403
2404         * tree-parloops.c (analyze_reduction_list): Remove unused variable
2405         to fix bootstrap.
2406
2407 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
2408
2409         * tree-parloops.c (analyze_reduction_list): Change return
2410         value to void.
2411         (try_create_reduction_list): Move the call to
2412         analyze_reduction_list to the beginining.
2413         Call reduction_phi with analyzed_reductions as argument
2414         instead of reduction_list.
2415
2416 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2417
2418         *  Merge from mainline (r148296:149346)
2419
2420 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2421
2422         * graphite-scop-detection.c (graphite_can_represent_init): New.
2423         (graphite_can_represent_scev): Call graphite_can_represent_init:
2424         check that the initial value does not contain multiplications of
2425         parameters.
2426         (stmt_has_simple_data_refs_p): New.
2427         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
2428         (is_simple_operand): Fix formatting.
2429         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
2430
2431 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2432
2433         * gcc.dg/graphite/id-13.c: New.
2434         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
2435         analyze_scalar_evolution, use scalar_evolution_in_region.
2436         (scan_tree_for_params_right_scev): Add extra assert.
2437         (parameter_index_in_region_1): Split from parameter_index_in_region.
2438         (idx_record_params): Use scalar_evolution_in_region.
2439         (find_params_in_bb): Same.
2440         (find_scop_parameters): Same.
2441         (build_loop_iteration_domains): Same.
2442         (create_linear_expr_from_tree): Same.
2443         * sese.c (scalar_evolution_in_region): New.
2444         * sese.h (scalar_evolution_in_region): Declared.
2445         (defined_in_sese_p): New.
2446         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
2447         static anymore.
2448         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
2449         Declared.
2450
2451 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2452
2453         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
2454         TREE_DATA_REF_H also implies SCEV_H.
2455
2456 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2457
2458         * graphite-poly.c (print_scop_params): New.
2459         (print_scop): Call print_scop_params.
2460         (debug_scop_params): New.
2461         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
2462
2463 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2464
2465         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
2466         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
2467         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
2468         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
2469         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
2470         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
2471
2472 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2473
2474         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
2475         for dependency checking part.
2476         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
2477         tests for dependency checking.
2478         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2479         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2480         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
2481         flag -fdump-tree-graphite-all for autopar testsuites.
2482
2483 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2484
2485         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
2486         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
2487         canonicalize_loop_ivs): Moved...
2488         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
2489
2490 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2491
2492         * tree-parloops.c (try_create_reduction_list): Pass an extra
2493         argument analyzed_reductions.  Call analyze_reduction_list.
2494         (gen_parallel_loop): Do not call analyze_reduction_list.
2495         (parallelize_loops): Init and finalize analyzed_reductions.
2496
2497 2009-07-06  Li Feng  <nemokingdom@gmail.com>
2498
2499         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2500         Added flag -fno-loop-strip-mine for autopar testcase.
2501
2502 2009-07-04  Li Feng  <nemokingdom@gmail.com>
2503
2504         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
2505         transformed scattering dimension instead of unmatch orignal when
2506         calling dependence_polyhedron.
2507
2508 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2509
2510         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
2511
2512 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2513
2514         * graphite-poly.c (pbb_number_of_iterations): Check for returned
2515         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
2516
2517 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2518
2519         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
2520         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
2521         * graphite-poly.c (pbb_number_of_iterations): New.
2522         * graphite-poly.h (pbb_number_of_iterations): Declared.
2523         (pbb_iterator_dim, pbb_parameter_dim): New.
2524
2525 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
2526
2527         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
2528         last commit on type of lower and upper bound of loops.
2529
2530 2009-06-29  Li Feng  <nemokingdom@gmail.com>
2531
2532         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
2533         graphite-dependences.h.
2534         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
2535         (mark_bb_with_pbb): New.
2536         (get_stmtfor_depth): New.
2537         (find_pbb_via_hash): New.
2538         (dependency_in_loop_p): New.
2539         (mark_loops_parallel): New.
2540         (free_aux_in_new_loops): New.
2541         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
2542         bb with it's relevant pbb. Mark newly created loops.  Remove mark
2543         innermost loop parallel without checking.
2544         (gloog): Add parameter BB_PBB_MAPPING.
2545         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
2546         (gloog): Change declaration.
2547         (mark_loop_parallel): Make extern.
2548         (free_aux_in_new_loops): Declare.
2549         (bb_pbb_map_hash): New.
2550         (eq_bb_pbb_map): New.
2551         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
2552         auto parallelization when flag_graphite_force_parallel is set.
2553         (graphite_finalize): Added free_aux_in_new_loops.
2554         * tree-parloops.c (parallelize_loops): Only generate parallel code for
2555         the innermost loop that marked parallel.  Use
2556         flag_graphite_force_parallel instead of loop->can_be_parallel.
2557         (loop_parallel_p): Move inner most checking out of function.
2558
2559 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2560
2561         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
2562         type of lower and upper bound of loops signed long int.
2563
2564 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2565
2566         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
2567         expression outside the loop.
2568
2569 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2570
2571         * gcc.dg/graphite/interchange-8.c: New.
2572
2573 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2574
2575         * gcc.dg/graphite/interchange-0.c: XFailed.
2576         * gcc.dg/graphite/interchange-5.c: XFailed.
2577         * gcc.dg/graphite/interchange-6.c: XFailed.
2578
2579 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2580
2581         * graphite-interchange.c (compute_array_size_poly): The end of the
2582         recursion should return 1.
2583
2584 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2585
2586         * graphite-interchange.c (compute_array_size_cstr): Allow the
2587         subscript multiplier to be -1.
2588         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
2589         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
2590         data_container.  Initializes PDR_DATA_CONTAINER.
2591         (print_pdr_access_layout): New.
2592         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
2593         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
2594         data_container.
2595         (PDR_DATA_CONTAINER): New.
2596         (new_poly_dr): Update declaration.
2597         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
2598         (build_poly_dr): Call pdr_add_data_dimensions.
2599
2600 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2601
2602         * graphite-poly.h (struct poly_dr): Fix comment.
2603         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2604         (pdr_add_memory_accesses): New.
2605         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2606
2607 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2608
2609         * graphite-poly.c (print_pdrs, debug_pdrs): New.
2610         (print_pbb): Add call to print_pdrs.
2611         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2612
2613 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2614             Li Feng <nemokingdom@gmail.com>
2615
2616         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2617         (dependency_between_pbbs_p): New.
2618         (lexicographically_gt_p): Assure !empty_p before polyhedron
2619         intersection assign.
2620         (build_lexicographically_gt_constraint): Correct lexicographically
2621         judging.
2622         * graphite-dependences.h: New.
2623         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2624
2625 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2626
2627         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2628         (gloog): Print to dump_file the generated clast.
2629         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2630         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2631
2632 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2633
2634         * graphite-poly.c (extend_scattering): Increment
2635         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2636
2637 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2638
2639         * graphite-interchange.c (compute_array_size_poly): Added exit of
2640         recursion condition.  Continue iterating even after the first equality.
2641         (compute_array_size): Same.
2642
2643 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2644
2645         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2646         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2647         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2648         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2649         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2650
2651 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2652
2653         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2654         only when the use verifies is_gimple_reg.
2655
2656 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2657
2658         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2659         Allocate scaldims after call to unify_scattering_dimensions.
2660
2661 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2662
2663         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2664
2665 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2666             Albert Cohen  <albert.cohen@inria.fr>
2667
2668         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2669         variables for the strip mining.
2670
2671 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2672             Pranav Garg  <pranav.garg2107@gmail.com>
2673
2674         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2675         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2676         (graphite-blocking.o): New rule.
2677         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2678         * graphite-blocking.c: New.
2679         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2680         flag_loop_strip_mine.
2681         (psct_scattering_dim_for_loop_depth): New.
2682         * graphite-poly.h (scop_do_strip_mine): Declared.
2683         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2684         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2685         flag_loop_strip_mine.
2686
2687 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2688
2689         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2690         a GMP value and a PPL coefficient at each iteration of a loop.
2691
2692 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2693
2694         * graphite-dependences.c (dependence_polyhedron): Do not use
2695         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2696         pbb_nb_scattering_transform.
2697         (graphite_legal_transform_dr): Same.
2698         * graphite-poly.c (extend_scattering): Same.
2699         (unify_scattering_dimensions): Same.
2700         (print_scattering_function): Same.
2701         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2702         PBB_NB_LOCAL_VARIABLES.
2703         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2704         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2705         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2706         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2707         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2708         (pbb_nb_scattering_transform): New.
2709         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2710         (psco_scattering_dim): Add assert on parameters.
2711         (psct_scattering_dim): Same.
2712         (psct_scattering_dim_for_loop_depth): Declared.
2713         (psct_local_var_dim): New.
2714         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2715         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2716         correct layout, call pbb_nb_local_vars.
2717         (psct_add_local_variable, psct_add_scattering_dimension): New.
2718         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2719         Initialize PBB_NB_SCATTERING_TRANSFORM.
2720
2721 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2722
2723         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2724         (set_coef): Renamed ppl_set_coef.
2725         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2726
2727 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2728
2729         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2730         test a boolean against 1.
2731         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2732         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2733         (pbb_do_interchange): Returns true when a transform has been performed.
2734         (scop_do_interchange): Same.
2735         * graphite-poly.c (apply_poly_transforms): Use the return value of
2736         scop_do_interchange.
2737         * graphite-poly.h (scop_do_interchange): Update declaration.
2738
2739 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2740
2741         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2742         after last use.
2743         * sese.c (sese_reset_aux_in_loops): New.
2744         * sese.h (sese_reset_aux_in_loops): New.
2745
2746 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2747
2748         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2749         multiplier and multiply the constant by the multiplier.
2750         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2751         (build_poly_dr): Do not use the multiplier to define the subscript.
2752
2753 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2754
2755         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2756         compiler's data reference.  Initialize PDR_CDR.
2757         (print_pdr): Call dump_data_reference.
2758         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2759         Add compiler_dr field.
2760         (PDR_BB): Renamed PDR_PBB.
2761         (PDR_CDR): New.
2762         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2763         GCC's data reference representation.
2764         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2765         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2766
2767 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2768
2769         * graphite-poly.c (print_scattering_function): Also print the layout.
2770         * graphite-poly.h (pbb_nb_local_vars): New.
2771
2772 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2773
2774         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2775
2776 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2777
2778         * graphite-poly.c (print_pdr, debug_pdr): New.
2779         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2780         (PDR_BASE): Removed.
2781
2782 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2783
2784         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2785         ltrans-{1..6,8}.c.
2786
2787 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2788
2789         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2790         subscript identification column.
2791         (pbb_do_interchange): Print to dump_file that some loops "will be
2792         interchanged".  Rely on that chain of characters in the testcases.
2793         * gcc.dg/graphite/interchange-0.c: New.
2794         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2795         interchange-*.c files and compile them with -floop-interchange.
2796
2797 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2798
2799         * graphite-interchange.c (interchange_profitable_p): Renamed
2800         pbb_interchange_profitable_p.
2801
2802 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2803             Harsha Jagasia  <harsha.jagasia@amd.com>
2804             Pranav Garg  <pranav.garg2107@gmail.com>
2805
2806         * graphite-interchange.c (interchange_profitable_p): Make static.
2807         (pbb_interchange_loop_depths, pbb_do_interchange,
2808         scop_do_interchange): New.
2809         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2810         for flag_loop_interchange.
2811         * graphite-poly.h (scop_do_interchange): Declared.
2812         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2813         flag_loop_interchange is used.
2814
2815 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2816
2817         * graphite-dependences.c (dependence_polyhedron): Update use of
2818         pbb_nb_scattering_dims.
2819         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2820         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2821         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2822         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2823
2824 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2825
2826         * graphite.c: Cleanup foo.
2827
2828 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2829
2830         * Merge from mainline (r143684:148293).
2831         * Disabled libpcp until it gets fixed.
2832
2833 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2834             Harsha Jagasia  <harsha.jagasia@amd.com>
2835
2836         * graphite-interchange.c: New.
2837         * Makefile.in (graphite-interchange.o): New.
2838         * graphite-poly.h (interchange_profitable_p): Declared.
2839         * graphite-ppl.h (value_max): New.
2840
2841 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2842
2843         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2844         * graphite-poly.h: Fix some comments.
2845         (pdr_dim): New.
2846         (pdr_scop): New.
2847
2848 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2849
2850         * graphite-poly.h
2851         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2852         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2853         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2854         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2855         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2856         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2857         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2858         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2859         * graphite-clast-to-gimple.c: Same.
2860         * graphite-dependences.c: Same.
2861         * graphite-poly.c: Same.
2862         * graphite-sese-to-poly.c: Same.
2863
2864 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2865
2866         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2867         expressions for an IV rename, as returned by clast_to_gcc_expression.
2868         (copy_renames): Rename new_name to expr.
2869         * sese.c (debug_rename_elt): Same.
2870         (get_rename): Same.
2871         (set_rename): Same.
2872         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2873         the information from the rename map.
2874         (rename_variables_in_stmt): Same.
2875         (add_loop_exit_phis): Rename new_name to expr.
2876         (insert_loop_close_phis): Same.
2877         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2878         * sese.h (struct rename_map_elt): Rename new_name to expr.
2879         (new_rename_map_elt): Same.
2880
2881 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2882
2883         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2884         * sese.c (set_rename): Make it extern.
2885         * sese.h (set_rename): Declared.
2886
2887 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2888
2889         * graphite-poly.c (extend_scattering): Free values.
2890         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2891         Free iterators.
2892         (ppl_print_powerset_matrix): Same.
2893         * graphite-scop-detection.c (free_scops_1): New.
2894         (limit_scops): Call free_scops_1.
2895         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2896         (build_poly_dr): Free PPL coefficients.
2897         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2898
2899 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2900
2901         * graphite-dependences.c: New.
2902         * graphite-data-ref.c: Removed.
2903         * graphite-data-ref.h: Removed.
2904         * Makefile.in (graphite-data-ref.o): Removed.
2905         (graphite-dependences.o): Added.
2906         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2907         * graphite-poly.c: Same.
2908         Move the data dependence testing to graphite-dependences.c.
2909
2910 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2911
2912         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2913         from graphite_cannot_represent_loop. Code refactored.
2914         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2915
2916 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2917
2918         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2919         Cover all the testcases (not only the filtered ones).
2920
2921 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2922
2923         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2924         unnecessary check. Update comments. Move check for REAL_TYPE here.
2925         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2926         done in (stmt_simple_for_scop_p).
2927
2928 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2929
2930         * graphite.c (print_global_statistics): New.
2931         (print_graphite_scop_statistic): New.
2932         (print_graphite_statistics): New.
2933         (graphite_initialize, graphite_transform_loops): Print statistics.
2934         * graphite-scop-detection (build_scops): Print statistics.
2935         (print_graphite_scop_statistics): New.
2936         (print_graphite_statistics): New.
2937
2938 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2939
2940         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2941         (debug_clast_name_index): Removed.
2942         (debug_clast_name_indexes_1): Removed.
2943         (debug_clast_name_indexes): Removed.
2944         (clast_name_index_elt_info): Removed.
2945         (eq_clast_name_indexes): Removed.
2946         (clast_name_to_index): Removed.
2947         (new_clast_name_index): Removed.
2948         (save_clast_name_index): Removed.
2949         (save_var_name): Moved...
2950         (init_sese_params_index): Removed.
2951         (clast_name_to_gcc): Remove use of name_tree.
2952         (initialize_cloog_names): Same.
2953         (gloog): Do not call init_sese_params_index.
2954         * graphite-sese-to-poly.c (save_var_name): ...here.
2955         (parameter_index_in_region): New.
2956         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2957         (parameter_index_in_region): Removed.
2958         (is_parameter): Remove use of name_tree.
2959         * sese.h (struct name_tree): Removed.
2960         (struct sese): Remove use of name_tree.  New field params_names.
2961         (SESE_PARAMS_NAMES): New.
2962         (SESE_PARAMS): Remove duplicate.
2963         (parameter_index_in_region): Removed.
2964         (sese_nb_params): Remove use of name_tree.
2965         (struct clast_name_index): New.
2966         (new_clast_name_index): New.
2967         (clast_name_to_index): New.
2968         (save_clast_name_index): New.
2969         (debug_clast_name_index): New.
2970         (debug_clast_name_indexes_1): New.
2971         (debug_clast_name_indexes): New.
2972         (clast_name_index_elt_info): New.
2973         (eq_clast_name_indexes): New.
2974
2975 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2976
2977         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
2978         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
2979         (graphite_loop_normal_form): Do not pass region.  Do not
2980         initialize SESE_OLDIVS.
2981         (build_graphite_loop_normal_form): Update call to
2982         graphite_loop_normal_form.
2983         * sese.c (debug_oldivs): Removed.
2984         (new_sese): Do not initialize SESE_OLDIVS.
2985         (free_sese): Do not free SESE_OLDIVS.
2986         (oldiv_for_loop): Removed.
2987         * sese.h (struct sese): Remove old_ivs.
2988         (SESE_OLDIVS): Removed.
2989         (oldiv_for_loop): Removed.
2990
2991 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2992
2993         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
2994         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
2995         replaced by a call to newivs_to_depth_to_newiv.
2996         (clast_to_gcc_expression): Pass newivs, remove ivstack.
2997         (clast_to_gcc_expression_red): Same.
2998         (gcc_type_for_clast_expr): Same.
2999         (gcc_type_for_clast_eq): Same.
3000         (graphite_translate_clast_equation): Same.
3001         (graphite_create_guard_cond_expr): Same.
3002         (graphite_create_new_guard): Same.
3003         (graphite_create_new_loop): Same.
3004         (build_iv_mapping): Same.
3005         (translate_clast): Same.
3006         (gloog): Same.
3007         (loop_iv_stack_patch_for_consts): Removed.  *
3008         sese.c (iv_stack_entry_is_constant): Removed.
3009         (iv_stack_entry_is_iv): Removed.
3010         (loop_iv_stack_push_iv): Removed.
3011         (loop_iv_stack_insert_constant): Removed.
3012         (loop_iv_stack_pop): Removed.
3013         (loop_iv_stack_get_iv): Removed.
3014         (loop_iv_stack_get_iv_from_name): Removed.
3015         (debug_loop_iv_stack): Removed.
3016         (free_loop_iv_stack): Removed.
3017         (loop_iv_stack_remove_constants): Removed.  *
3018         sese.h (iv_stack_entry_kind): Removed.
3019         (iv_stack_entry_data_union): Removed.
3020         (iv_stack_entry_struct): Removed.
3021         (iv_stack_entry_p): Removed.
3022         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
3023         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
3024         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
3025         loop_iv_stack_pop, free_loop_iv_stack): Removed.
3026         (gbb_loop_at_index): Fix indenting.
3027         (gbb_loop_index): Removed.
3028
3029 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3030
3031         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
3032         Call clast_name_to_index.
3033
3034 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3035
3036         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
3037         do not pass params.  Get params from SESE_PARAMS.
3038         (clast_to_gcc_expression): Same.
3039         (clast_to_gcc_expression_red): Same.
3040         (gcc_type_for_clast_eq): Same.
3041         (graphite_translate_clast_equation): Same.
3042         (graphite_create_new_loop): Same.
3043         * sese.c (rename_variables_in_stmt): Fix comment.
3044
3045 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3046
3047         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
3048         newivs_index.
3049         Call save_clast_name_index.
3050         (translate_clast): Pass newivs_index.
3051         (gloog): Create and free newivs_index.
3052
3053 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3054
3055         * graphite-clast-to-gimple.c (clast_name_index): New structure.
3056         (clast_name_index_p): New type.
3057         (debug_clast_name_index): New.
3058         (debug_clast_name_indexes_1): New.
3059         (debug_clast_name_indexes): New.
3060         (clast_name_index_elt_info): New.
3061         (eq_clast_name_indexes): New.
3062         (clast_name_to_index): New.
3063         (new_clast_name_index): New.
3064         (save_clast_name_index): New.
3065         (init_sese_params_index): New.
3066         (gloog): Call init_sese_params_index.
3067         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
3068         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
3069         (free_sese): Free SESE_PARAMS_INDEX.
3070         * sese.h (struct sese): Add params_index.
3071         (SESE_PARAMS_INDEX): New.
3072
3073 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3074
3075         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
3076         (graphite_create_new_loop): Pass the newivs vector.  Push the
3077         newly created IV to newivs.
3078         (translate_clast): Pass the newivs vector.
3079         (gloog): Create and destroy the newivs vector.
3080
3081 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3082
3083         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
3084         (graphite_loop_normal_form): Initialize loop->aux with the unique
3085         IV that has been created.
3086
3087 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
3088
3089         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
3090         scev with parameters in the base part. They where forbidden
3091         exidently.
3092
3093 2009-05-11  Li Feng  <nemokingdom@gmail.com>
3094
3095         * gcc.dg/graphite/graphite.exp: Set different default
3096         compile options by file names.
3097         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
3098         * gcc.dg/graphite/id-{1-9}.c: Ditto.
3099         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
3100         * gcc.dg/graphite/scop-matmult.c: Ditto.
3101
3102 2009-05-08  Li Feng <nemokingdom@gmail.com>
3103
3104         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
3105         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
3106         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
3107         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
3108
3109 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3110
3111         * graphite-scop-detection (build_scops_1): Fix little bug introduced
3112         by final cleanup.
3113
3114 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3115
3116         * graphite-scop-detection.c (graphite_can_represent_scev): Only
3117         allow integer constant strides.
3118         (graphite_can_represent_expr): Depend on outermost_loop.
3119         (stmt_simple_memref_p, graphite_cannot_represent_loop,
3120         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
3121         build_scops_1): Same.
3122         (scopdet_basic_block_info): Same and insert layered SCoP
3123         detection.
3124         (try_generate_gimple_bb): Cleanup.
3125         (build_scops): Enable data references.
3126
3127         * gcc.dg/graphite/id-5.c: New.
3128         * gcc.dg/graphite/id-9.c: New.
3129         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
3130         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
3131
3132 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3133
3134         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
3135         that we have not yet built for this SCoP.
3136
3137 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3138
3139         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
3140         for complex numbers.
3141
3142 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3143
3144         * graphite-ppl.c: Fix build if cloog is not available.
3145
3146 2009-05-04  Li Feng  <nemokingdom@gmail.com>
3147
3148         * tree-parloops.c (loop_parallel_p): Remove construction of
3149         NITER and REDUCTION_LIST.
3150         (try_get_loop_niter): New.
3151         (try_create_reduction_list): New.
3152         (parallelize_loops): Bypass the failed checkings in autopar
3153         when can_be_parallel in loop structure is set to true.
3154
3155 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3156
3157         * gcc.dg/graphite/id-6.c: Update testcase.
3158         * gcc.dg/graphite/scop-3.c: Dito.
3159
3160 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3161
3162         * graphite-scop-detection.c (stmt_simple_for_scop_p):
3163         Enable EQ_EXPR and NE_EXPR again.
3164
3165 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3166
3167         * graphite-scop-detection.c (graphite_can_represent_scev):
3168         Add check if scev is affine multivariate.
3169         (harmful_stmt_in_bb): Check if we can represent the conditions.
3170         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
3171         harmful_stmt_in_bb.
3172         * gcc.dg/graphite/id-7.c: New.
3173
3174 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3175
3176         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
3177         Check all bbs in region, not only the bbs that are represented in
3178         GRAPHITE.
3179         (build_poly_scop): Add newline.
3180         * gcc.dg/graphite/id-8.c: New.
3181
3182 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3183
3184         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
3185         when loop initialize.
3186         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
3187         * common.opt: Declare flag_graphite_force_parallel.
3188         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
3189         loop parallel.
3190         * graphite-poly.c (apply_poly_transforms): Introduce
3191         flag_graphite_force_parallel.
3192         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
3193         * toplev.c (process_options): ditto and replace a not correctly
3194         encoded space.
3195
3196 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3197
3198         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
3199         Change the call of gbb_loop_at_index and/or gbb_loop_index due
3200         to the redefinition.
3201         (compute_cloog_iv_types_1): ditto.
3202         (build_iv_mapping): ditto.
3203         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
3204         initialization.
3205         (free_gimple_bb): Removed GBB_LOOPS related free part.
3206         (build_bb_loops): Removed.
3207         * sese.h (struct gimple_bb): Removed loops.
3208         (GBB_LOOPS): Removed.
3209         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
3210         (gbb_loop_index): ditto.
3211
3212 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3213
3214         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
3215         allow non constant strides.
3216         * gcc.dg/graphite/scop-20.c: New.
3217
3218 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3219
3220         * graphite-scop-detection.c (dot_all_scops): Fix system call
3221         return value warning.
3222         (dot_scop): Same.
3223
3224 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3225
3226         * gcc.dg/graphite/id-6.c: Fix pattern.
3227         * gcc.dg/graphite/scop-3.c: Same.
3228
3229 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3230
3231         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
3232         build_pairwise_constraint, dr_equality_constraints,
3233         build_pairwise_scheduling_equality,
3234         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3235         build_lexicographically_gt_constraint, dependence_polyhedron,
3236         graphite_legal_transform_dr, graphite_legal_transform_bb,
3237         graphite_legal_transform): New.
3238         * graphite-poly.h (graphite_legal_transform): Declared.
3239         * graphite-sese-to-poly.c (build_poly_scop): Call to
3240         graphite_legal_transform is disabled for the moment.
3241
3242 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3243
3244         * graphite-poly.h (pbb_nb_scattering_dims): New.
3245         (pbb_nb_scattering): Use it.
3246
3247 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3248
3249         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
3250         Pointset_Powerset version of ppl_insert_dimensions.
3251         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
3252
3253 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3254
3255         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
3256
3257 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3258
3259         * graphite-poly.h: Fix comment.
3260
3261 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3262
3263         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
3264
3265 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3266
3267         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
3268         statements.
3269
3270 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3271
3272         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
3273         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
3274         conditions.
3275
3276 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
3277
3278         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
3279         handle EQ_EXPR and NE_EXPR.
3280
3281 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3282
3283         * graphite-poly.h (poly_dr): Fix comment.
3284
3285 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3286             Tobias Grosser  <grosser@fim.uni-passau.de>
3287
3288         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
3289         with a zero dimension polyhedron.
3290         (find_scop_parameters): Move the call to scop_set_nb_params here.
3291         (build_loop_iteration_domains): Store in loop->aux the iteration
3292         domain polyhedron.
3293         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
3294         by any loop in scop.
3295         (build_poly_scop): Do not call scop_set_nb_params.
3296
3297 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3298             Tobias Grosser  <grosser@fim.uni-passau.de>
3299
3300         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
3301         add_condition_to_domain not GT_EXPR.
3302
3303 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3304
3305         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
3306         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
3307         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
3308         upper_bound_assign to calculate unions.
3309         * gcc.dg/graphite/id-6.c: New.
3310
3311 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3312
3313         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
3314         handle abnormal edges.
3315
3316 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3317
3318         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
3319         (free_poly_bb): Also free poly_drs.
3320         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
3321         (poly_dr): Polyhedron to Pointset_Powerset.
3322         (pdr_accessp_nb_subscripts): Same.
3323         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
3324         poly_drs.
3325
3326 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3327
3328         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
3329         names into more meaningful names.
3330
3331 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3332
3333         * gfortran.dg/graphite/interchange-1.c: New.
3334         * gfortran.dg/graphite/interchange-2.c: New.
3335
3336 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3337
3338         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
3339         the reduction_list.
3340         * tree-parloops.c (rewrite_phi_with_iv): New.
3341         (rewrite_all_phi_nodes_with_iv): New.
3342         (canonicalize_loop_ivs): Call them.
3343
3344 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3345
3346         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
3347         graphite_find_data_references_in_stmt.
3348         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
3349         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
3350
3351 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3352
3353         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
3354
3355 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3356
3357         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
3358         instead of bb_in_region.
3359         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
3360         (build_sese_conditions): Use flag_bb_in_sese.
3361         * sese.c (register_bb_in_sese): Removed.
3362         (new_sese): Remove initialization of SESE_REGION_BBS.
3363         (free_sese): Do not free SESE_REGION_BBS.
3364         * sese.h (struct sese): Remove field region_basic_blocks.
3365         (SESE_REGION_BBS): Removed.
3366         (bb_in_sese_p): Implement in function of bb_in_region.
3367
3368 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3369
3370         * graphite-scop-detection.c (limit_scops): Deal only with single exit
3371         loops.
3372
3373 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3374
3375         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
3376         and EQ_EXPR.
3377         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
3378         (add_condition_to_domain): New.
3379         (add_condition_to_pbb): New.
3380         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
3381         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
3382
3383 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3384
3385         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
3386         ppl_Pointset_Powerset.
3387         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
3388         * graphite-poly.h (poly_bb): poly_bb.domain Same.
3389         (pbb_nb_loops): Same.
3390         * graphite-sese-to-poly.c (build_loop_iteration_domains,
3391         add_conditions_to_domain): Same.
3392         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
3393         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
3394         ppl_const_Polyhedron_t.
3395         (ppl_print_powerset_matrix): New.
3396         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
3397         ppl_print_powerset_matrix): New.
3398         (ppl_print_polyhedron_matrix): Updated.
3399
3400 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3401
3402         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
3403
3404 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3405
3406         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
3407         (print_iteration_domains, debug_iteration_domain,
3408         debug_iteration_domains): New.
3409         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
3410         debug_iteration_domains): Declared.
3411         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
3412         indenting.
3413
3414 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3415             Sebastian Pop  <sebastian.pop@amd.com>
3416
3417         * graphite-poly.h (print_iteration_domain): New.
3418         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
3419         (build_sese_conditions_1, build_sese_conditions_after,
3420         build_sese_conditions_before): New.
3421         (build_sese_conditions): Rewritten.
3422
3423 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3424             Tobias Grosser  <grosser@fim.uni-passau.de>
3425
3426         Cleanup of code generation liveouts.
3427         * graphite-clast-to-gimple.c (translate_clast): Use a single
3428         rename_map instead of one per translated statement.
3429         Do not use SESE_LIVEOUT_RENAMES.
3430         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
3431         (gloog): Do not use SESE_LIVEOUT_RENAMES.
3432         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
3433         phi node of a reduction: when a loop contains a reduction used outside
3434         the loop, there should be a scalar close phi node on the exit block.
3435         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
3436         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
3437         (free_sese): Do not free them.
3438         (sese_build_liveouts_use): Do not use them.
3439         (sese_build_liveouts_bb): Same.
3440         (sese_build_liveouts): Same.
3441         (sese_insert_phis_for_liveouts): Same.
3442         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
3443         (defined_in_loop_p): New.
3444         (alive_after_loop): New.
3445         (close_phi_not_yet_inserted_p): New.
3446         (struct alep, alep_p): New.
3447         (add_loop_exit_phis): Remove from the rename_map all the names defined
3448         in the code generated loop.
3449         (insert_loop_close_phis): Traverse the rename_map passed to it.
3450         Don't use SESE_LIVEOUT_RENAMES.
3451         (default_liveout_before_guard): Renamed default_before_guard.
3452         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
3453         (graphite_copy_stmts_from_block): Do not directly call set_rename.
3454         (register_sese_liveout_renames): Removed.
3455         (copy_bb_and_scalar_dependences): Do not call it.
3456         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
3457         reduction_list.
3458         (SESE_LIVEOUT): Removed.
3459         (SESE_LIVEOUT_RENAMES): Removed.
3460         (SESE_REDUCTION_LIST): Removed.
3461         (sese_build_liveouts): Removed.
3462         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
3463         (insert_loop_close_phis): Pass a htab_t instead of a sese.
3464         (insert_guard_phis): Same.
3465         (rename_map_elt): Declare a VEC of them.
3466         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3467         trees not pointers to trees.
3468
3469         Rewrite in canonical close SSA form:
3470         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
3471         (limit_scops): Close the scop after the block containing the close phi
3472         nodes.
3473         (canonicalize_loop_closed_ssa): New.
3474         (canonicalize_loop_closed_ssa_form): New.
3475         (build_scops): Call canonicalize_loop_closed_ssa_form.
3476
3477         * graphite-sese-to-poly.c: Fix typos.
3478
3479 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3480
3481         * graphite-poly.c (print_scattering_function, print_pbb_domain):
3482         Extended.
3483         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
3484         (print_pbb): Add conditions.
3485
3486 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3487             Sebastian Pop  <sebastian.pop@amd.com>
3488
3489         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
3490         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
3491         (build_scop_bbs_1): New.
3492         (build_scop_bbs): Rewrite.
3493         * sese.h (bb_in_region): New.
3494
3495 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3496
3497         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3498         poly_drs vector.
3499         (print_scop): Style.
3500         * graphite-poly.h (poly_bb): Add drs vector.
3501         (PBB_DRS): Add accessor.
3502         * graphite-sese-to-poly.c (build_poly_dr): New.
3503         (build_pbb_drs, build_scop_drs): New.
3504         (build_poly_scop): call build_scop_drs (Disabled at the moment).
3505
3506 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3507
3508         * tree-ssa-loop.c: Include forgotten toplev.h
3509
3510 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3511
3512         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
3513         * gcc.dg/graphite/pr37883.c: Remove -floop-*
3514         * gcc.dg/graphite/pr37928.c: Same
3515         * gcc.dg/graphite/pr38409.c: Same
3516         * gcc.dg/graphite/pr38498.c: Same
3517         * gcc.dg/graphite/pr38559.c: Same
3518         * gcc.dg/graphite/pr39335.c: Same
3519         * gcc.dg/graphite/pr39335_1.c: Same
3520         * gfortran.dg/graphite/block-2.f: Same
3521         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
3522         with -floop-*.
3523
3524 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
3525
3526         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
3527         build_access_matrix, build_scop_data_accesses): Remove access function
3528         building. (We get a new version soon).
3529         (build_bb_loops, scan_tree_for_params_right_scev): Update.
3530         * sese.h (nb_loops_around_loop_in_sese): Remove.
3531         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
3532
3533 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
3534             Sebastian Pop  <sebastian.pop@amd.com>
3535
3536         * graphite-scop-detection.c (struct scopdet_info): Rename last
3537         field to exit.
3538         (scopdet_basic_block_info, build_scops_1): Don't use
3539         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
3540
3541 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
3542             Sebastian Pop  <sebastian.pop@amd.com>
3543
3544         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
3545         * sese.c (sese_build_liveouts_use): Renamed from
3546         sese_build_livein_liveouts_use. Remove liveins.
3547         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
3548         Call sese_build_liveouts_use.
3549         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
3550         Call sese_build_liveouts_bb.
3551         (new_sese, free_sese): Remove liveins.
3552         (sese_add_exit_phis_var): Deleted.
3553         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
3554         directly.
3555         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
3556
3557         * sese.h (sese): Remove num_ver and livein.
3558         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
3559
3560 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3561
3562         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
3563
3564 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3565
3566         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
3567         (build_scop_scattering): Do not use compare_prefix_loops any more.
3568         (nb_common_loops): New.
3569
3570 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3571
3572         * sese.c (get_new_name_from_old_name): Renamed get_rename.
3573         (register_old_and_new_names): Renamed set_rename.
3574
3575 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3576
3577         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
3578         of the decl from the previous commit.
3579
3580 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3581
3582         * graphite-scop-detection.c (dot_scop): New.
3583         * graphite-scop-detection.h (dot_scop): Declared.
3584
3585 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3586
3587         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
3588
3589 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3590
3591         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
3592         condition at the end of the loop.
3593         * graphite.c (graphite_initialize, graphite_finalize): Print to
3594         dump_file the compiled function.
3595         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
3596         of create_empty_loop_on_edge.
3597         (translate_clast): Update the code generation of loops for the new
3598         shape of loops.
3599         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
3600
3601 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3602
3603         Reverted the patch from 2009-03-19.
3604
3605 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3606
3607         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3608         poly_drs vector.
3609         (print_scop): Style.
3610         * graphite-poly.h (poly_bb): Add drs vector.
3611         (PBB_DRS): Add accessor.
3612         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
3613         (build_access_matrix_with_af, build_access_matrix,
3614         build_scop_data_accesses): Delete.
3615         (build_poly_dr): New.
3616         (build_pbb_drs, build_scop_drs): New.
3617         (build_poly_scop): call build_scop_drs.
3618
3619 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3620
3621         * graphite-scop-detection.c (dot_all_scops_1): Close the table
3622         once per basic block.
3623
3624 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3625
3626         * graphite-scop-detection.c (graphite_can_represent_scev): New.
3627         (graphite_can_represent_expr): Renamed from loop_affine_expr
3628         and enhanced.
3629         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
3630         (graphite_cannot_represent_loop): Add scop_entry to parameters.
3631         (scopdet_basic_block_info): Actually define entry_block.
3632         (stmt_simple_memref_p): Moved here from ...
3633
3634         * tree-data-ref.c (stmt_simple_memref_p): here.
3635         * tree-data-ref.h (stmt_simple_memref_p): Removed.
3636
3637 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3638
3639         * gcc.dg/graphite/id-4.c: New.
3640
3641 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3642
3643         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3644         (register_old_and_new_names): Update the content of the map.
3645         When there was already a rename_map_elt in the map at that
3646         location, free it.
3647         (copy_bb_and_scalar_dependences): Do rename_variables after
3648         expand_scalar_variables.
3649         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3650         of the map.  When there was already a rename_map_elt in the
3651         map at that location, free it.
3652         (translate_clast): Pass the rename_map.  Do not initialize and free
3653         a rename_map per stmt_user.
3654         (gloog): Initialize and free one rename_map and pass it to
3655         translate_clast.
3656
3657 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3658
3659         * sese.c (expand_scalar_variables_stmt,
3660         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
3661         parameter.
3662         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
3663         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
3664         the gimple_stmt_iterator of the statement to be expanded.
3665         * graphite-scop-detection.c (is_simple_operand): Do handle
3666         REALPART_EXPR.
3667
3668 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3669
3670         * graphite-scop-detection.c (is_simple_operand): Do not handle
3671         REALPART_EXPR.
3672         * gcc.dg/graphite/id-2.c: New.
3673
3674         * graphite-sese-to-poly.c (build_bb_loops,
3675         add_value_to_dim, scan_tree_for_params_right_scev,
3676         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
3677         find_params_in_bb, build_loop_iteration_domains,
3678         add_conditions_to_domain): Remove subtract.
3679
3680 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3681
3682         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
3683         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
3684         pbb_loop_at_index -> gbb_loop_at_index.
3685         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
3686         (debug_loop_vec): Delete.
3687         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
3688         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
3689         (PBB_LOOPS): Removed.
3690         (PBB_BLACK_BOX): Insert cast.
3691         (pbb_set_black_box): New setter.
3692         (pbb_loop_at_index, pbb_loop_index): Removed.
3693         (scop_set_region, scop_set_nb_params): New.
3694         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
3695         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
3696         (build_poly_scop): Use scop_set_nb_params.
3697         * sese.h (gimple_bb): Add LOOPS.
3698         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
3699
3700 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3701
3702         Revert previous commit.
3703
3704 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3705
3706         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3707         (register_old_and_new_names): Update the content of the map.
3708         When there was already a rename_map_elt in the map at that
3709         location, free it.
3710         (copy_bb_and_scalar_dependences): Do rename_variables after
3711         expand_scalar_variables.
3712         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3713         of the map.  When there was already a rename_map_elt in the
3714         map at that location, free it.
3715         (translate_clast): Pass the rename_map.  Do not initialize and free
3716         a rename_map per stmt_user.
3717         (gloog): Initialize and free one rename_map and pass it to
3718         translate_clast.
3719
3720 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3721
3722         Remove forgotten line in revert.
3723
3724 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3725
3726         Revert previous commit.
3727
3728 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3729
3730         * sese.c (register_old_and_new_names): Update the content
3731         of the map.  When there was already a rename_map_elt in the
3732         map at that location, free it.
3733         (copy_bb_and_scalar_dependences): Do rename_variables after
3734         expand_scalar_variables.
3735         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3736         of the map.  When there was already a rename_map_elt in the
3737         map at that location, free it.
3738         (translate_clast): Pass the rename_map.  Do not initialize and free
3739         a rename_map per stmt_user.
3740         (gloog): Initialize and free one rename_map and pass it to
3741         translate_clast.
3742
3743 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3744
3745         * graphite-clast-to-gimple.c (translate_clast): context_loop
3746         is never NULL.
3747
3748 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3749             Sebastian Pop  <sebastian.pop@amd.com>
3750
3751         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
3752         of the use of ppl_Polyhedron_map_space_dimensions.
3753
3754 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3755             Sebastian Pop  <sebastian.pop@amd.com>
3756
3757         * graphite-poly.c (unify_scattering_dimensions): Fix types.
3758         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
3759         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
3760         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
3761         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
3762         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
3763         pbb_nb_params): New.
3764         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
3765         nb_loops_around_pbb): Adapt return types.
3766
3767 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3768
3769         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3770         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3771         graphite-scop-detection.o, graphite-poly.o): Add
3772         more headers.
3773
3774 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3775
3776         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3777         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3778         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
3779
3780 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3781
3782         * gcc.dg/graphite/pr37485.c: Remove -floop-block
3783         * gcc.dg/graphite/pr37828.c: Same.
3784         * gcc.dg/graphite/pr37684.c: Same.
3785         * gcc.dg/graphite/block-0.c: Same.
3786         * gcc.dg/graphite/block-1.c: Same.
3787         * gcc.dg/graphite/block-2.c: Same.
3788         * gcc.dg/graphite/block-3.c: Same.
3789         * gcc.dg/graphite/block-4.c: Same.
3790         * gcc.dg/graphite/block-5.c: Same.
3791         * gcc.dg/graphite/block-6.c: Same.
3792         * gfortran.dg/graphite/pr38083.f90: Same.
3793         * gfortran.dg/graphite/block-1.f90: Same.
3794         * gfortran.dg/graphite/block-3.f90: Same.
3795         * gfortran.dg/graphite/pr37852.f90: Same.
3796         * gfortran.dg/graphite/block-4.f90: Same.
3797         * gfortran.dg/graphite/pr37980.f90: Same.
3798         * gfortran.dg/graphite/pr38953.f90: Same.
3799         * gfortran.dg/graphite/pr37857.f90: Same.
3800         * opts.c: Remove -floop-block from -O2.
3801         * graphite-poly.c: Fail if -floop-block -floop-interchange or
3802         -floop-strip-mine are used.
3803
3804 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3805             Sebastian Pop  <sebastian.pop@amd.com>
3806
3807         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
3808         dimensions.
3809         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
3810         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
3811         strip_mine_profitable_p, is_interchange_valid,
3812         graphite_trans_bb_block, graphite_trans_loop_block,
3813         graphite_trans_scop_block): Temporary removed.
3814         (extend_scattering, unify_scattering_dimensions): New.
3815         (print_scattering_function, graphite_read_transforms):
3816         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3817         (graphite_generate_scattering_fns): Removed.
3818         (apply_poly_transforms): Cleanup.
3819         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3820         (schedule_to_scattering): Moved.
3821         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
3822         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
3823         (pbb_nb_scattering): New.
3824         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3825         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
3826         Removed.
3827         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
3828         shift_poly.
3829         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3830         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
3831         -> PBB_TRANSFORMED_SCATTERING.
3832         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
3833         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
3834         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
3835         (check_poly_representation): Do not return bool.
3836         (graphite_transform_loops): Reformat.
3837         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
3838
3839 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
3840
3841         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
3842         debug_pbb_domain, debug_pbb, debug_scop): New.
3843         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
3844         debug_pbb_domain, debug_pbb, debug_scop): Declared.
3845
3846 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3847
3848         PR middle-end/39335
3849         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3850         when the type precision of the induction variable should be
3851         larger than the type precision of nit.
3852         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3853         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
3854         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3855
3856         * gcc.dg/graphite/pr39335_1.c: New.
3857         * gcc.dg/graphite/pr39335.c: New.
3858
3859 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3860
3861         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3862         SSA_NAMES not struct reduction_info.
3863
3864 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3865
3866         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
3867
3868 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3869             Tobias Grosser  <grosser@fim.uni-passau.de>
3870
3871         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
3872         (free_sese): Free SESE_REDUCTION_LIST.
3873         * sese.h (struct sese): Add field reduction_list.
3874         (SESE_REDUCTION_LIST): New.
3875         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
3876         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
3877
3878 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3879             Tobias Grosser  <grosser@fim.uni-passau.de>
3880
3881         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
3882         of loop_p.
3883
3884 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3885             Tobias Grosser  <grosser@fim.uni-passau.de>
3886
3887         * tree-parloops.c (struct brli, build_reduction_list_info,
3888         analyze_reduction_list, gather_scalar_reductions): New.
3889         (loop_parallel_p): Build a reduction list containing only
3890         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
3891         (gen_parallel_loop): Call the analysis analyze_reduction_list.
3892         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
3893         * tree-flow.h (gather_scalar_reductions): Declared.
3894
3895 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
3896
3897         PR middle-end/39308
3898         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
3899         number_of_iterations_exit from a gcc_assert.
3900
3901 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
3902             Jan Sjodin  <jan.sjodin@amd.com>
3903
3904         * output.h (graphite_out_file, graphite_in_file): Declared.
3905         * toplev.c (graphite_out_file, graphite_in_file): New.
3906         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
3907         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
3908         Don't call schedule_to_scattering.
3909         * common.opt (fgraphite-write, fgraphite-read): New.
3910         * graphite-poly.c: Include output.h.
3911         (print_scattering_function, print_scattering_functions,
3912         debug_scattering_function, debug_scattering_functions,
3913         graphite_write_transforms, graphite_read_transforms,
3914         graphite_generate_scattering_fns): New.
3915         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
3916         Call graphite_generate_scattering_fns, graphite_write_transforms,
3917         graphite_read_transforms.
3918         (new_poly_bb): Initialize PBB_SCATTERING.
3919         (free_poly_bb): Free PBB_SCATTERING.
3920         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
3921         * graphite-poly.h (struct poly_bb): Add field scattering.
3922         (PBB_SCATTERING): New.
3923         (print_scattering_function, print_scattering_functions,
3924         debug_scattering_function, debug_scattering_functions): Declared.
3925         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
3926         GMP values, not integers!
3927         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
3928         ppl_read_polyhedron_matrix): New.
3929         * graphite-ppl.h (ppl_print_polyhedron_matrix,
3930         debug_ppl_polyhedron_matrix,
3931         ppl_read_polyhedron_matrix): Declared.
3932         * Makefile.in (graphite-poly.o): Depends on output.h.
3933
3934 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3935             Tobias Grosser  <grosser@fim.uni-passau.de>
3936
3937         Revert this change:
3938         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3939         scalar evolutions in the scop_entry->loop_father.
3940
3941 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3942             Tobias Grosser  <grosser@fim.uni-passau.de>
3943
3944         * graphite.h (ref_nb_loops): Remove declaration.
3945         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
3946         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
3947         debug_gbb): Moved to sese.h.
3948         * sese.h: As said.
3949
3950 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3951             Tobias Grosser  <grosser@fim.uni-passau.de>
3952
3953         * graphite-data-ref.[ch]: Disable.
3954
3955 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3956             Tobias Grosser  <grosser@fim.uni-passau.de>
3957
3958         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3959         scalar evolutions in the scop_entry->loop_father.
3960
3961 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3962
3963         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
3964         (graphite_cannot_represent_loop_niter): Renamed
3965         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
3966         (limit_scops): build_sese_loop_nests does not return a bool.
3967         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
3968         * sese.c (nb_reductions_in_loop): ... from here.
3969         (graphite_loop_normal_form): ... from here.
3970         (sese_record_loop): Does not fail, so does not return a bool.
3971         (build_sese_loop_nests): Same.
3972         * sese.h (build_sese_loop_nests): Update declaration.
3973         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
3974         (build_graphite_loop_normal_form): New.
3975         (gloog): Call build_graphite_loop_normal_form.
3976         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
3977         build_sese_loop_nests.
3978
3979         * gcc.dg/graphite/id-1.c: New.
3980
3981 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3982             Tobias Grosser  <grosser@fim.uni-passau.de>
3983
3984         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
3985         The SCoP detection fix is sufficient.
3986
3987 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3988
3989         PR tree-optimization/39260
3990         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
3991         the basic block contains a condition with a real type.
3992         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
3993
3994         * gcc.dg/graphite/pr39260.c: New.
3995
3996 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3997
3998         * graphite-poly.c: Inlcude params.h.
3999         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
4000         the size of a tile.
4001         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
4002         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
4003
4004 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4005             Tobias Grosser  <grosser@fim.uni-passau.de>
4006
4007         * graphite-scop-detection.c (dot_all_scops_1,
4008         dot_all_scops): Moved here.
4009         * graphite-scop-detection.h (dot_all_scops): Declared here.
4010         * graphite.c (graphite_initialize, graphite_finalize): New.
4011         (graphite_transform_loops): Cleaned up.
4012         * sese.c (debug_oldivs): Moved here.
4013         * graphite-poly.c (graphite_apply_transformations): Renamed
4014         apply_poly_transforms.
4015         (debug_loop_vec): Moved here.
4016         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
4017         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
4018         find_scop_parameters, build_scop_iteration_domain,
4019         add_conditions_to_constraints, build_scop_canonical_schedules,
4020         build_scop_data_accesses): Now static.
4021         (build_poly_scop, check_poly_representation): New.
4022
4023 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4024
4025         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
4026         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
4027         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
4028         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
4029         scan_tree_for_params_right_scev, scan_tree_for_params_int,
4030         scan_tree_for_params, struct irp_data, dx_record_params,
4031         find_params_in_bb, find_scop_parameters, gbb_from_bb,
4032         build_loop_iteration_domains, add_conditions_to_domain,
4033         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
4034         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
4035         build_sese_conditions, add_conditions_to_constraints,
4036         build_scop_iteration_domain, build_access_matrix_with_af,
4037         build_access_matrix,
4038         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
4039
4040         * graphite-sese-to-poly.c: New.
4041         * graphite-sese-to-poly.h: New.
4042
4043         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
4044
4045 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4046
4047         * graphite.c: Split graphite code generation to a new file.
4048         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
4049         max_precision_type, clast_to_gcc_expression_red,
4050         clast_to_gcc_expression, gcc_type_for_clast_expr,
4051         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
4052         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
4053         graphite_create_new_guard, clast_get_body_of_loop,
4054         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
4055         graphite_create_new_loop, build_iv_mapping, copy_renames,
4056         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4057         compute_cloog_iv_types, free_scattering, save_var_name,
4058         initialize_cloog_names, build_scop_context, build_cloog_prog,
4059         set_cloog_options, debug_clast_stmt, scop_to_clast,
4060         print_generated_program, debug_generated_program,
4061         gloog): Moved to graphite-clast-to-gimple.c.
4062
4063         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
4064
4065         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
4066         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
4067         loop_iv_stack_pop, loop_iv_stack_get_iv,
4068         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
4069         free_loop_iv_stack, loop_iv_stack_remove_constants,
4070         debug_rename_elt, debug_rename_map_1, debug_rename_map,
4071         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
4072         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
4073         eq_ivtype_map_elts, sese_add_exit_phis_edge,
4074         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
4075         get_vdef_before_sese, sese_adjust_vphi,
4076         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
4077         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
4078         is_iv, expand_scalar_variables_ssa_name,
4079         expand_scalar_variables_expr, expand_scalar_variables_stmt,
4080         expand_scalar_variables, rename_variables, remove_condition,
4081         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
4082         add_loop_exit_phis, insert_loop_close_phis, struct igp,
4083         default_liveout_before_guard, add_guard_exit_phis,
4084         insert_guard_phis, register_old_and_new_names,
4085         graphite_copy_stmts_from_block, register_sese_liveout_renames,
4086         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
4087         if_region_set_false_region, create_if_region_on_edge,
4088         move_sese_in_condition): Moved to sese.c.
4089
4090         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
4091         if_region_exit, if_region_get_condition_block,
4092         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
4093         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
4094         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
4095         ivtype_map_elt, new_ivtype_map_elt,
4096         recompute_all_dominators): Moved to sese.h.
4097
4098         * graphite-clast-to-gimple.c: New.
4099         * graphite-clast-to-gimple.h: New.
4100         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
4101         * sese.c: Modified as said above.
4102         * sese.h: Same.
4103
4104 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4105
4106         * graphite.c: Split scop detection to a new file.
4107         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
4108         move_sd_regions, loop_affine_expr, exclude_component_ref,
4109         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
4110         graphite_cannot_represent_loop_niter, struct scopdet_info,
4111         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
4112         find_single_entry_edge, find_single_exit_edge,
4113         create_single_entry_edge, sd_region_without_exit,
4114         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
4115         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
4116         Moved to graphite-scop-detection.c.
4117
4118         * graphite-scop-detection.c: New.
4119         * graphite-scop-detection.h: New.
4120         * Makefile.in: Add new rule for graphite-scop-detection.o.
4121
4122         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
4123         tree-scalar-evolution.h.
4124         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
4125         build_sese_loop_nests): Moved here from graphite.c.
4126         (param_index): Renamed parameter_index_in_region.
4127
4128 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4129             Sebastian Pop  <sebastian.pop@amd.com>
4130
4131         * gcc.dg/graphite/block-0.c: Expected to fail now.
4132         * gcc.dg/graphite/block-1.c: Same.
4133         * gcc.dg/graphite/block-5.c: Same.
4134         * gcc.dg/graphite/block-6.c: Same.
4135
4136 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4137             Sebastian Pop  <sebastian.pop@amd.com>
4138
4139         * graphite.h: Separate from graphite_bb_p the polyhedral
4140         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
4141         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
4142         graphite-data-ref.h.
4143         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
4144         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
4145         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
4146         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
4147         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
4148         scop_nb_params): Moved to graphite-poly.h.
4149         * graphite-data-ref.c: Same.
4150         * graphite-data-ref.h: New.
4151         * graphite.c: Same.
4152         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
4153         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
4154         is_interchange_valid, graphite_trans_bb_block,
4155         graphite_trans_loop_block, scop_max_loop_depth,
4156         graphite_trans_scop_block, graphite_apply_transformations,
4157         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
4158         graphite-poly.c.
4159         * graphite-poly.h: New.
4160         * graphite-poly.c: New.
4161         * Makefile.in (OBJS-common): Add graphite-poly.o.
4162         (graphite-poly.o): New rule.
4163         * tree-data-ref.h (struct data_reference): Remove unused scop field.
4164         (DR_SCOP): Removed.
4165
4166 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4167             Tobias Grosser  <grosser@fim.uni-passau.de>
4168
4169         * graphite.c: Replace gb -> gbb.
4170         * graphite.h: Same.
4171         * graphite-data-ref.c: Same.
4172
4173 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4174             Tobias Grosser  <grosser@fim.uni-passau.de>
4175
4176         * Makefile.in (OBJS-commmon): Add sese.o.
4177         (sese.o): New.
4178         (graphite.o): Add sese.h.
4179         * graphite.c (bb_in_ss_p, loop_in_sese_p,
4180         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
4181         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
4182         Move to sese.
4183         (block_before_scop): Add missing return.
4184         (new_scop, free_scop): Remove SESE data structures.
4185         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
4186         find_scop_parameters, build_loop_iteration_domains,
4187         add_conditions_to_domain, register_scop_liveout_renames,
4188         copy_bb_and_scalar_dependences): Scop -> SESE.
4189
4190         (add_conditions_to_domain): SCoP -> SESE and remove check
4191         (scop_contains_non_iv_scalar_phi_nodes): New.
4192         (build_scop_conditions_1, build_scop_conditions): Remove check for
4193         non iv scalar phi nodes.
4194         (print_scop_statistics): New.
4195         (graphite_transform_loops): Cleanup.
4196
4197         * graphite.h: Move to sese & cleanup.
4198         * sese.c: New.
4199         * sese.h: New.
4200
4201 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4202             Tobias Grosser  <grosser@fim.uni-passau.de>
4203
4204         * graphite.c (build_scop_conditions_1): Conditions are only
4205         at the end of a basic block.
4206
4207 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4208             Tobias Grosser  <grosser@fim.uni-passau>
4209
4210         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
4211         field.
4212         (GBB_ALPHA): Removed.
4213
4214 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4215             Tobias Grosser  <grosser@fim.uni-passau.de>
4216
4217         * graphite-data-ref.c (graphite_test_dependence): Don't use
4218         GBB_DYNAMIC_SCHEDULE.
4219         * graphite.c (new_graphite_bb): Same.
4220         (free_graphite_bb): Same.
4221         (build_scop_dynamic_schedules): Removed.
4222         (graphite_transform_loops): Don't call it.
4223         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
4224         (GBB_DYNAMIC_SCHEDULE): Removed.
4225
4226 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4227             Tobias Grosser  <grosser@fim.uni-passau.de>
4228
4229         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
4230         (print_graphite_bb): Same.
4231         (build_cloog_prog): Same.
4232
4233 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4234             Tobias Grosser  <grosser@fim.uni-passau.de>
4235
4236         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
4237
4238 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4239             Tobias Grosser  <grosser@fim.uni-passau.de>
4240
4241         * graphite.c (build_scop_context): Don't use CloogMatrix.
4242         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
4243         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
4244
4245 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4246             Tobias Grosser  <grosser@fim.uni-passau.de>
4247
4248         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
4249         liveout_renames, add_params fields...
4250         (struct sese): ... here.
4251         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
4252         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
4253
4254 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4255             Tobias Grosser  <grosser@fim.uni-passau.de>
4256
4257         * graphite.c (print_scop): Do not print the CLooG program.
4258         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
4259         build_cloog_prog, gloog): Don't use SCOP_PROG.
4260         (find_transform): Renamed scop_to_clast.
4261         (print_generated_program, debug_generated_program): New.
4262         (graphite_transform_loops): Adapt to new interface.
4263         * graphite.h (struct scop): Remove program field.
4264         (SCOP_PROG): Removed.
4265         (print_generated_program, debug_generated_program): Declared.
4266
4267 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4268
4269         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
4270         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
4271         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
4272         free_graphite_bb, build_scop_canonical_schedules,
4273         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
4274         schedules are now represented using a ppl_Linear_Expression_t.
4275         * graphite.h (struct graphite_bb): Same.
4276         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
4277         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
4278
4279 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
4280
4281         * graphite.c: Free local memory.
4282         * graphite-ppl.c: Same.
4283
4284 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
4285
4286         * graphite.c (const_column_index, get_first_matching_sign_row_index,
4287         get_lower_bound_row, get_upper_bound_row, copy_constraint,
4288         swap_constraint_variables, scale_constraint_variable): Removed.
4289         (graphite_trans_bb_strip_mine): Remove pong.
4290         * graphite-ppl.c: Include missing header files.
4291         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
4292         * graphite-ppl.h (ppl_strip_loop): Declared.
4293         * Makefile.in (graphite-ppl.o): Adjust dependences.
4294
4295 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
4296
4297         * graphite.c (build_loop_iteration_domains): Remove ping pong.
4298         (build_scop_iteration_domain): Same.
4299
4300 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
4301
4302         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4303         ping pong.
4304         (add_value_to_dim, scan_tree_for_params_right_scev,
4305         scan_tree_for_params_int): New.
4306         * graphite-ppl.c (oppose_constraint): New.
4307         (insert_constraint_into_matrix): Implement missing cases.
4308         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4309
4310 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
4311
4312         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4313         use ppl_move_dimension.
4314
4315 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
4316
4317         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
4318         * graphite.c: Same.
4319         * graphite.h: Same.
4320         * graphite-ppl.c: Same.
4321         * graphite-ppl.h: Same.
4322
4323 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
4324
4325         Revert last 3 commits.
4326
4327 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4328
4329         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4330         ping pong.
4331         (add_value_to_dim, scan_tree_for_params_right_scev,
4332         scan_tree_for_params_int): New.
4333         * graphite-ppl.c (oppose_constraint): New.
4334         (insert_constraint_into_matrix): Implement missing cases.
4335         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4336
4337 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4338
4339         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
4340
4341 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4342             Tobias Grosser  <grosser@fim.uni-passau.de>
4343
4344         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4345         use ppl_move_dimension.
4346         * graphite-ppl.c (ppl_move_dimension): New.
4347         * graphite-ppl.h (ppl_move_dimension): Declared.
4348
4349 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4350
4351         * graphite.c: Do not include cloog/cloog.h.
4352         (print_graphite_bb): Remove ping pong, call PPL print function.
4353
4354 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4355
4356         * Makefile.in (OBJS-common): Add graphite-ppl.o.
4357         (graphite.o): Add dependence on graphite-ppl.h.
4358         (graphite-ppl.o): New.
4359         (graphite-data-ref.c): Ping pong between PPL data structures
4360         and matrices.
4361         * graphite-ppl.c: New.
4362         * graphite-ppl.h: New.
4363         * graphite.c: Include graphite-ppl.h.
4364         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
4365         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
4366         Ping pong between PPL data structures and matrices.
4367         (new_graphite_bb): Create a PPL constraint system.
4368         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
4369         (build_loop_iteration_domains): Use PPL functions.
4370         * graphite.h: Include graphite-ppl.h.  Fix comments.
4371         (graphite_bb): Use a ppl_Constraint_System_t instead of
4372         CloogMatrix for representing the domain.
4373         (scop): Remove static_schedule.
4374         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
4375
4376 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
4377
4378         * graphite.c: Fix some comments.
4379
4380 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
4381
4382         PR middle-end/38953
4383         * graphite.c (if_region_set_false_region): After moving a region
4384         in the false branch of a condition, remove the empty dummy
4385         basic block.
4386         (gloog): Remove wrong fix for PR38953.
4387
4388 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4389
4390         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4391         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4392         register_bb_in_sese, new_sese, free_sese): Moved.
4393         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4394         outermost_loop_in_scop, build_scop_iteration_domain,
4395         expand_scalar_variables_ssa_name, get_vdef_before_scop,
4396         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4397         Use loop_in_sese_p instead of loop_in_scop_p.
4398         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
4399         (free_scop): Do not free SCOP_BBS_B.
4400         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
4401         ref_nb_loops): Moved here...
4402         * graphite.h (ref_nb_loops): ... from here.
4403         (struct scop): Remove bbs_b bitmap.
4404         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4405         * gcc.dg/graphite/scop-19.c: New
4406
4407 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4408
4409         * graphite.c (scopdet_basic_block_info): Fix bug in scop
4410         detection.
4411
4412 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4413
4414         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4415         eq_loop_to_cloog_loop): Remove.
4416         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
4417         * graphite.h (struct scop): Remove loop2cloog_loop.
4418         (loop_domain_dim, loop_iteration_vector_dim): Remove.
4419
4420 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4421
4422         * opts.c (decode_options): Only add graphite options to O2
4423         if we compile with graphite enabled.
4424
4425 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4426
4427         * Merge from mainline (r143163:143684).
4428
4429 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4430
4431         * graphite.c (debug_value): Removed.
4432         * graphite.h (debug_value): Removed.
4433
4434 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4435
4436         * passes.c (init_optimization_passes): Do not call pass_copy_prop
4437         after graphite: pass_copy_prop does not maintain a proper loop closed
4438         SSA form.  pass_copy_prop should be fixed.
4439
4440 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4441
4442         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
4443
4444 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4445
4446         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4447         (gloog): Split the exit of the scop when the scop exit is a loop exit.
4448         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4449         changed the CFG.
4450
4451 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
4452
4453         * graphite.c (gloog): Return true when code gen succeeded.
4454         (graphite_transform_loops): Do not call cleanup_tree_cfg if
4455         the code of the function did not changed.  After cleanup_tree_cfg
4456         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
4457         form.
4458
4459 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
4460
4461         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4462         gimple_call_lhs is NULL.
4463
4464 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4465             Tobias Grosser  <tobi.grosser@amd.com>
4466
4467         * graphite.c (graphite_trans_scop_block): Do not block single
4468         nested loops.
4469
4470 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4471             Tobias Grosser  <tobi.grosser@amd.com>
4472
4473         * graphite.c (build_scop_canonical_schedules): Start schedules at
4474         zero.
4475
4476 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4477             Tobias Grosser  <tobi.grosser@amd.com>
4478
4479         * graphite.c (compare_prefix_loops): New.
4480         (build_scop_canonical_schedules): Rewritten.
4481         (graphite_transform_loops): Move build_scop_canonical_schedules
4482         after build_scop_iteration_domain.
4483
4484 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4485             Tobias Grosser  <tobi.grosser@amd.com>
4486
4487         * graphite.c (add_conditions_to_domain): Add the loops to
4488         the dimension of the iteration domain.  Do copy the domain
4489         only when it exists.
4490         (build_scop_conditions_1): Do not call add_conditions_to_domain.
4491         (add_conditions_to_constraints): New.
4492         (can_generate_code_stmt, can_generate_code): Removed.
4493         (gloog): Do not call can_generate_code.
4494         (graphite_transform_loops): Call add_conditions_to_constraints
4495         after building the iteration domain.
4496
4497 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4498             Tobias Grosser  <tobi.grosser@amd.com>
4499             Jan Sjodin  <jan.sjodin@amd.com>
4500
4501         * graphite.c (scan_tree_for_params): On substractions negate
4502         all the coefficients of the term.
4503         (clast_to_gcc_expression_red): New.  Handle reduction expressions
4504         of more than two operands.
4505         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
4506         (get_vdef_before_scop): Handle also the case of default definitions.
4507
4508 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4509
4510         PR middle-end/38431
4511         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
4512         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
4513         (gloog): Do not call cleanup_tree_cfg.
4514         (graphite_transform_loops): Call cleanup_tree_cfg after all
4515         scops have been code generated.
4516
4517 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4518
4519         * passes.c (init_optimization_passes): Schedule after
4520         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
4521
4522 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4523
4524         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
4525         Fix comment.
4526         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
4527         Set the type of an expression to the type of its assign statement.
4528         (expand_scalar_variables_expr):  Do not pass loop_p.
4529         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
4530         (copy_bb_and_scalar_dependences): Do not pass loop_p.
4531         (translate_clast): Update call to copy_bb_and_scalar_dependences.
4532
4533 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4534
4535         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
4536         an expression to the gimple_expr_type of its assign statement.
4537         (expand_scalar_variables_expr): Stop recursion on tcc_constant
4538         or tcc_declaration.
4539
4540 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4541
4542         PR tree-optimization/38786
4543         * gcc.dg/graphite/pr38786.c: New.
4544         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
4545         the SSA_NAME case of expand_scalar_variables_expr.
4546         (expand_scalar_variables_expr): Also gather the scalar computation
4547         used to index the memory access.
4548         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
4549         the gimple_stmt_iterator where it inserts new code.
4550
4551 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4552
4553         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
4554
4555 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4556
4557         * opts.c (decode_options): Enable flag_graphite_identity and
4558         flag_loop_block in -O2 and above.
4559
4560 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4561
4562         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
4563         Fix merge problem: replace with the file from trunk.
4564
4565 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4566
4567         * Merge from mainline (r141727:143163).
4568
4569 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
4570             Jan Sjodin  <jan.sjodin@amd.com>
4571
4572         PR tree-optimization/38559
4573         * gcc.dg/graphite/pr38559.c: New.
4574
4575         * graphite.c (debug_value, copy_constraint,
4576         swap_constraint_variables, scale_constraint_variable, ): New.
4577         (get_lower_bound, get_upper_bound): Removed.
4578         (graphite_trans_bb_strip_mine): Clean up this code that works
4579         only for constant number of iterations.  Fully copy upper and
4580         lower bound constraints, not only the constant part of them.
4581         * graphite.h (debug_value): Declared.
4582
4583 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
4584
4585         PR tree-optimization/38492
4586         PR tree-optimization/38498
4587         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4588         * tree-chrec.h (scev_is_linear_expression): Declared.
4589         * graphite.c (graphite_cannot_represent_loop_niter): New.
4590         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4591         (graphite_loop_normal_form): Use gcc_assert.
4592         (scan_tree_for_params): Use CASE_CONVERT.
4593         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4594         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4595         Use gcc_assert.  Discard scops that contain unhandled cases.
4596         (build_scop_conditions): Return a boolean status for unhandled cases.
4597         (strip_mine_profitable_p): Print the loop number, not its depth.
4598         (is_interchange_valid): Pass the depth of the loop nest, don't
4599         recompute it wrongly.
4600         (graphite_trans_bb_block): Same.
4601         (graphite_trans_bb_block): Print tentative of loop blocking.
4602         (graphite_trans_scop_block): Do not print that the loop has been
4603         blocked.
4604         (graphite_transform_loops): Do not handle scops that contain condition
4605         scalar phi nodes.
4606
4607         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
4608         in trunk.
4609         * gcc.dg/graphite/block-0.c: Update test.
4610         * gcc.dg/graphite/block-1.c: Same.
4611         * gcc.dg/graphite/block-2.c: Remove xfail and test for
4612         blocking.
4613         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
4614         * gcc.dg/graphite/block-3.c: New.
4615         * gcc.dg/graphite/pr38498.c: New.
4616
4617 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
4618
4619         PR tree-optimization/38510
4620         * gcc.dg/graphite/pr38510.c: New.
4621         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4622           (translate_clast): Call recompute_all_dominators before
4623           graphite_verify.
4624           (gloog): Call recompute_all_dominators before graphite_verify.
4625
4626 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
4627
4628         PR tree-optimization/38492
4629         * graphite.c (rename_map_elt, debug_rename_elt,
4630         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4631         rename_map_elt_info, eq_rename_map_elts,
4632         get_new_name_from_old_name, bb_in_sese_p): Moved around.
4633         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4634         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4635         (sese_build_livein_liveouts): New.
4636         (new_sese, free_sese): New.
4637         (new_scop): Call new_sese.
4638         (free_scop): Call free_sese.
4639         (rename_variables_from_edge, rename_phis_end_scop): Removed.
4640         (register_old_new_names): Renamed register_old_and_new_names.
4641         (register_scop_liveout_renames, add_loop_exit_phis,
4642         insert_loop_close_phis, struct igp,
4643         default_liveout_before_guard, add_guard_exit_phis,
4644         insert_guard_phis, copy_renames): New.
4645         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4646         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4647         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4648         (scop_adjust_phis_for_liveouts): New.
4649         (gloog): Call scop_adjust_phis_for_liveouts.
4650
4651         * graphite.h (struct sese): Documented.  Added fields liveout,
4652         num_ver and livein.
4653         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4654         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4655         (struct scop): Added field liveout_renames.
4656         (SCOP_LIVEOUT_RENAMES): New.
4657
4658 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4659
4660         PR tree-optimization/38409
4661         * gcc.dg/graphite/pr38409.c: New.
4662         * graphite.c (nb_reductions_in_loop): Use simple_iv.
4663
4664 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4665
4666         * graphite.c (gcc_type_for_cloog_iv): By default return
4667         integer_type_node.
4668         (graphite_create_new_loop): Don't fold_convert the already
4669         fold_convert-ed expression.
4670
4671 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
4672
4673         PR tree-optimization/38446
4674         * gcc.dg/graphite/pr38446.c: New.
4675         * graphite.c (register_bb_in_sese): New.
4676         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
4677         looking at the bbs in the region.
4678         * graphite.h (sese): Add region_basic_blocks pointer set to
4679         structure and initialize at the time of defining new scop.
4680
4681 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4682
4683         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
4684         (find_params_in_bb): Do not free data refs.
4685         (free_graphite_bb): Add FIXME on disabled free_data_refs.
4686
4687 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4688
4689         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
4690         * gcc.dg/graphite/scop-17.c: Same.
4691         * gcc.dg/graphite/block-5.c: New.
4692         * gcc.dg/graphite/block-6.c: New.
4693         * gcc.dg/graphite/pr37485.c: Clean dump file after.
4694         * gcc.dg/graphite/pr37684.c: Same.
4695         * gcc.dg/graphite/block-2.c: Same.
4696
4697         * graphite.c (struct ivtype_map_elt): New.
4698         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
4699         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
4700         gcc_type_for_cloog_iv): New.
4701         (loop_iv_stack_patch_for_consts): Use the type of the induction
4702         variable from the original loop, except for the automatically
4703         generated loops, i.e., in the case of a strip-mined loop, in
4704         which case there is no original loop: in that case just use
4705         integer_type_node.
4706         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
4707         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
4708         (clast_name_to_gcc): Accept params to be NULL.
4709         (clast_to_gcc_expression): Take an extra parameter for the type.
4710         Convert to that type all the expressions built by this function.
4711         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
4712         (graphite_translate_clast_equation): Compute the type of the
4713         clast_equation before translating its LHS and RHS.
4714         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
4715         (graphite_create_new_loop): Compute the type of the induction
4716         variable before translating the lower and upper bounds and before
4717         creating the induction variable.
4718         (rename_variables_from_edge, rename_phis_end_scop): New.
4719         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
4720         (sese_add_exit_phis_edge): Do not use integer_zero_node.
4721         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4722         compute_cloog_iv_types): New.
4723         (gloog): Call compute_cloog_iv_types before starting the
4724         translation of the clast.
4725
4726         * graphite.h (struct graphite_bb): New field cloog_iv_types.
4727         (GBB_CLOOG_IV_TYPES): New.
4728         (debug_ivtype_map): Declared.
4729         (oldiv_for_loop): New.
4730
4731 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4732
4733         PR middle-end/38459
4734         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
4735         (param_index): Assert if parameter is not know after parameter
4736         detection.
4737         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
4738         (find_scop_parameters): Mark, that we have finished parameter
4739         detection.
4740         (graphite_transform_loops): Move condition detection before parameter
4741         detection.
4742         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
4743         * gfortran.dg/graphite/pr38459.f90: New.
4744
4745 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4746
4747         * graphite.c (graphite_transform_loops): Always call find_transform ()
4748         in ENABLE_CHECKING.  So we test these code paths, even if we do not
4749         generate code.
4750
4751 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4752
4753         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
4754         (print_scop): Ditto.
4755
4756 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4757
4758         PR middle-end/38084
4759         Fix gfortran.dg/graphite/id-3.f90.
4760         * graphite.c (scopdet_basic_block_info): Fix bug that found some
4761         regions more than once.
4762
4763 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4764
4765         Fix gfortran.dg/graphite/id-4.f90.
4766         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
4767         when not needed.
4768
4769 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4770
4771         Fix gfortran.dg/graphite/id-1.f90.
4772         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
4773         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
4774         (max_precision_type): New.
4775         (value_clast): Removed.
4776         (clast_to_gcc_expression): Be more careful to types of expressions.
4777         Use max_precision_type and update use of gmp_cst_to_tree.
4778         (graphite_translate_clast_equation): Use max_precision_type.
4779         (graphite_create_guard_cond_expr): Do not use integer_type_node,
4780         use the type of the condition.
4781         (graphite_create_new_loop): Do not use integer_type_node, use the
4782         max_precision_type of lb and ub.
4783
4784 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4785
4786         * graphite.c (build_scops_1): Initialize open_scop.exit
4787         and sinfo.last.
4788
4789 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4790
4791         * gcc.dg/graphite/pr38084.c: New.
4792         * gfortran.dg/graphite/id-1.f90: New.
4793         * gfortran.dg/graphite/id-2.f90: New.
4794         * gfortran.dg/graphite/id-3.f90: New.
4795         * gfortran.dg/graphite/id-4.f90: New.
4796         * gfortran.dg/graphite/pr37857.f90: New.
4797
4798 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4799             Jan Sjodin  <jan.sjodin@amd.com>
4800             Harsha Jagasia  <harsha.jagasia@amd.com>
4801
4802         PR middle-end/37852
4803         PR middle-end/37883
4804         PR middle-end/37928
4805         PR middle-end/37980
4806         PR middle-end/38038
4807         PR middle-end/38039
4808         PR middle-end/38073
4809         PR middle-end/38083
4810         PR middle-end/38125
4811
4812         * gcc.dg/graphite/pr38073.c: New.
4813         * gcc.dg/graphite/pr37928.c: New.
4814         * gcc.dg/graphite/pr37883.c: New.
4815         * gcc.dg/graphite/pr38125.c: New.
4816         * gfortran.dg/graphite/pr38083.f90: New.
4817         * gfortran.dg/graphite/pr37852.f90: New.
4818         * gfortran.dg/graphite/pr37980.f90: New.
4819
4820         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
4821         the number of detected scops.  Copy exact same test for loop
4822         blocking...
4823         * gcc.dg/graphite/block-1.c: Fix the number of expected
4824         loops to be blocked as reductions are not handled.
4825         * gcc.dg/graphite/block-4.c: ...here.  New.
4826
4827         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
4828         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
4829         ...here.
4830         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
4831         * Makefile.in (graphite.o): Depend on value-prof.h.
4832         (graphite.o-warn): Removed -Wno-error.
4833         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
4834         to be a NULL pointer.  Call update_stmt.  Return the newly created
4835         cannonical induction variable.
4836
4837         * graphite.h (debug_rename_map): Declared.  Fix some comments.
4838
4839         * graphite.c: Reimplement the code generation from graphite to gimple.
4840         Include value-prof.h.
4841         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
4842         (get_old_iv_from_ssa_name): Removed.
4843         (graphite_stmt_p): New.
4844         (new_graphite_bb): Test for useful statements before building a
4845         graphite statement for the basic block.
4846         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
4847         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
4848         reason.
4849         (recompute_all_dominators, graphite_verify,
4850         nb_reductions_in_loop, graphite_loop_normal_form): New.
4851         (scop_record_loop): Call graphite_loop_normal_form.
4852         (build_scop_loop_nests): Iterate over all the blocks of the
4853         function instead of relying on the incomplete information from
4854         SCOP_BBS.  Return the success of the operation.
4855         (find_params_in_bb): Use the data from GBB_DATA_REFS.
4856         (add_bb_domains): Removed.
4857         (build_loop_iteration_domains): Don't call add_bb_domains.
4858         Add the iteration domain only to the basic blocks that have been
4859         translated to graphite.
4860         (build_scop_conditions_1): Add constraints only if the basic
4861         block have been translated to graphite.
4862         (build_scop_data_accesses): Completely disabled until data
4863         dependence is correctly implemented.
4864         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
4865         (remove_all_edges_1, remove_all_edges): Removed.
4866         (get_new_name_from_old_name): New.
4867         (graphite_rename_variables_in_stmt): Renamed
4868         rename_variables_in_stmt.  Call get_new_name_from_old_name.
4869         Use replace_exp and update_stmt.
4870         (is_old_iv): Renamed is_iv.
4871         (expand_scalar_variables_stmt): Extra parameter for renaming map.
4872         Use replace_exp and update_stmt.
4873         (expand_scalar_variables_expr): Same.  Use the map to get the
4874         new names for the renaming of induction variables and for the
4875         renaming of variables after a basic block has been copied.
4876         (expand_scalar_variables): Same.
4877         (graphite_rename_variables): Renamed rename_variables.
4878         (move_phi_nodes): Removed.
4879         (get_false_edge_from_guard_bb): New.
4880         (build_iv_mapping): Do not insert the induction variable of a
4881         loop in the renaming iv map if the basic block does not belong
4882         to that loop.
4883         (register_old_new_names, graphite_copy_stmts_from_block,
4884         copy_bb_and_scalar_dependences): New.
4885         (translate_clast): Heavily reimplemented: copy basic blocks,
4886         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
4887         At each translation step call graphite_verify ensuring the
4888         consistency of the SSA, loops and dominators information.
4889         (collect_virtual_phis, find_vdef_for_var_in_bb,
4890         find_vdef_for_var_1, find_vdef_for_var,
4891         patch_phis_for_virtual_defs): Removed huge hack.
4892         (mark_old_loops, remove_dead_loops, skip_phi_defs,
4893         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
4894         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
4895         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
4896         if_region_get_condition_block, if_region_set_false_region,
4897         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
4898         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
4899         sese_add_exit_phis_edge, sese_add_exit_phis_var,
4900         rewrite_into_sese_closed_ssa): New.
4901         (gloog): Remove dead code.  Early return if code cannot be
4902         generated.  Call cleanup_tree_cfg once the scop has been code
4903         generated.
4904         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
4905         block loops with less than two loops.
4906         (graphite_apply_transformations): Remove the call to
4907         scop_remove_ignoreable_gbbs.
4908         (limit_scops): When build_scop_loop_nests fails, continue on
4909         the next scop.  Fix open_scop.entry.
4910         (graphite_transform_loops): Call recompute_all_dominators: force the
4911         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
4912         Call initialize_original_copy_tables and free_original_copy_tables
4913         to be able to copy basic blocks during code generation.
4914         When build_scop_loop_nests fails, continue on next scop.
4915         (value_clast): New union.
4916         (clast_to_gcc_expression): Fix type cast warning.
4917
4918 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
4919
4920         * Merge from mainline (r140838:141727).
4921
4922 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4923
4924         PR middle-end/37833
4925
4926         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
4927
4928 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4929
4930         PR middle-end/37943
4931
4932         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
4933         exits and conditions.
4934         * gcc.dg/graphite/pr37943.c: New.
4935
4936 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4937
4938         PR middle-end/37886
4939         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
4940
4941 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4942
4943         * doc/invoke.texi: Fix spaces.
4944
4945 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
4946
4947         PR tree-optimization/37891
4948         Reverted last commit.
4949         * graphite.c (create_single_entry_edge): Set
4950         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4951
4952 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
4953             Mitul Thakkar  <mitul.thakkar@amd.com>
4954
4955         * graphite.c (create_single_entry_edge): Set
4956         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4957
4958 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4959
4960         * doc/invoke.texi: Add -fgraphite-identity.
4961         * graphite.c (graphite_apply_transformations): Check for
4962         -fgraphite-identity.
4963         * toplev.c (process_options): Add flag_graphite_identity.
4964         * tree-ssa-loop.c: Add flag_graphite_identity.
4965
4966 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4967
4968         Undo changes from 2008-10-02:
4969         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4970         operand type when copying the operand to a variable of different type.
4971         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4972         with the IV name after increment.
4973
4974 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4975             Harsha Jagasia  <harsha.jagasia@amd.com>
4976
4977         PR tree-optimization/37828
4978         * gcc.dg/graphite/pr37828.c: New.
4979         * graphite.c (graphite_trans_loop_block): Do not loop block
4980         single nested loops.
4981
4982 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
4983             Sebastian Pop  <sebastian.pop@amd.com>
4984
4985         * graphite.c (struct rename_map_elt, new_rename_map_elt,
4986         rename_map_elt_info, eq_rename_map_elts): New.
4987         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
4988         (expand_scalar_variables_expr): Change parameters.
4989         (expand_scalar_variables_stmt): Same.
4990         (expand_scalar_variables): Same.
4991         (graphite_rename_ivs): Rename graphite_rename_variables.
4992         (build_iv_mapping): New.
4993         (translate_clast): Call build_iv_mapping.
4994         * graphite.h (gbb_p): New name.
4995
4996 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
4997
4998         PR tree-optimization/37684
4999         * gcc.dg/graphite/pr37684.c: New.
5000         * graphite.c (exclude_component_ref): New.
5001         (is_simple_operand): Call exclude_component_ref.
5002
5003 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
5004             Harsha Jagasia  <harsha.jagasia@amd.com>
5005
5006         PR tree-optimization/37485
5007         * gcc.dg/graphite/block-2.c: New
5008         * graphite.c (gmp_cst_to_tree): Moved.
5009         (iv_stack_entry_is_constant): New.
5010         (iv_stack_entry_is_iv): New.
5011         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
5012         (loop_iv_stack_insert_constant): New.
5013         (loop_iv_stack_pop): Use new datatpype.
5014         (loop_iv_stack_get_iv): Same.
5015         (loop_iv_stack_get_iv_from_name): Same.
5016         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
5017         (loop_iv_stack_patch_for_consts): New.
5018         (loop_iv_stack_remove_constants): New.
5019         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
5020         (translate_clast): Call loop_iv_stack_patch_for_consts and
5021         loop_iv_stack_remove_constants.
5022         (gloog): Use new datatype.  Redirect construction edge to end
5023         block to avoid accidental deletion.
5024         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
5025         iv stack entry.
5026         (union iv_stack_entry_data): New.  Data in iv stack entry.
5027         (struct iv_stack_entry): New.  Datatype for iv stack entries.
5028
5029 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5030
5031         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
5032         operand type when copying the operand to a variable of different type.
5033
5034 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5035
5036         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
5037         with the IV name after increment.
5038
5039 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5040
5041         * Merge from mainline (r140164:140838).
5042
5043 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5044
5045         * graphite-data-ref.c: New.
5046         * graphite.c (print_scop): Also dump the dependence graph.
5047         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
5048         (new_scop): Initialize SCOP_DEP_GRAPH.
5049         (build_scop_dynamic_schedules): New.
5050         (build_access_matrix_with_af): Fixed column numbering.
5051         (graphite_transform_loops): Call build_scop_dynamic_schedules.
5052         * graphite.h: Add ifndef/define guards against multiple inclusion.
5053         (struct scop): Add dep_graph field.
5054         (SCOP_DEP_GRAPH): Defined.
5055         (ref_nb_loops): Fixed and moved to other position.
5056         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
5057         (nb_loops_around_loop_in_scop): New.
5058         (graphite_dump_dependence_graph): Declared.
5059         (graphite_build_rdg_all_levels): Declared.
5060         (graphite_test_dependence): Declared.
5061         * Makefile.in (graphite-data-ref.o): New target.
5062
5063 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
5064
5065         * Merge from mainline (139870:140164).
5066
5067 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5068
5069         * Merge from mainline (138275:139870).
5070         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
5071         the commits from trunk broke the niter detection.
5072
5073 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5074
5075         * graphite.c: Add more documentation.  Fix formatting.
5076         (debug_loop_vec, debug_oldivs, loop_iv_stack,
5077         loop_iv_stack_debug): Moved...
5078         (schedule_to_scattering): Move before use.
5079         (dot_all_scops): Include in "#if 0" the code for system
5080         call dotty.
5081
5082         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
5083         loop_iv_stack_debug): ...here.
5084
5085 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
5086
5087         * tree-phinodes.c (make_phi_node): Extern.
5088         (add_phi_node_to_bb): New.
5089         (create_phi_node): Call add_phi_node_to_bb.
5090         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
5091         (remove_statement): Handle case where stored phi was updated
5092         and is no longer the same.
5093         * graphite.c (is_parameter): New.
5094         (is_old_iv): New.
5095         (expand_scalar_variables_expr): New.
5096         (expand_scalar_variables_stmt): New.
5097         (expand_scalar_variables): New.
5098         (move_phi_nodes): Create new phi instead of moving old one.
5099         (translate_clast): Call expand_scalar_variables.
5100         (find_vdef_for_var_in_bb): Also scan regular definitions.
5101         (skip_phi_defs): New.
5102         (collect_scop_exit_phi_args): New.
5103         (patch_scop_exit_phi_args): New.
5104         (gloog): Patch phis after scop.
5105         * tree-flow.h: (add_phi_node_to_bb): Declared.
5106         (make_phi_node): Declared.
5107
5108 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5109
5110         * graphite.c (end_scop): Split the entry of the scop when it
5111         is the header of the loop in which the scop is ending.
5112         (build_scops_1, limit_scops): Update uses of end_scop.
5113
5114 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5115
5116         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
5117         SCOP_ENTRY or SCOP_EXIT.
5118
5119 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5120
5121         * graphite.c (get_construction_edge): Removed.
5122         (gloog): Construction edge is the scop entry edge.
5123
5124 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5125
5126         * graphite.c (can_generate_for_scop): Removed.
5127         (gloog): Do not call it.
5128
5129 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5130
5131         * graphite.c (new_scop): Entry of a scop is an edge.
5132         Initialize SESE region.
5133         (free_scop): Free SESE region.
5134         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
5135         (split_difficult_bb): New, split from end_scop.
5136         (end_scop): Exit of a scop is an edge.
5137         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
5138         not automatically updated and thus is always wrong.
5139         * graphite.h (struct sese): New.
5140         (SESE_ENTRY): New.
5141         (SESE_EXIT): New.
5142         (struct scop): New field for a SESE region.  Remove entry, exit.
5143         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
5144         semantics as before.  Moved comment around.
5145
5146 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5147             Sebastian Pop  <sebastian.pop@amd.com>
5148
5149         * graphite.c (graphite_transform_loops): Always enable gloog
5150         and find_transform when ENABLE_CHECKING.
5151
5152 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5153
5154         * graphite.c (graphite_transform_loops): Move pretty printer
5155         of SCOPs before doing any transform.  Remove call to print_scops
5156         and dot_all_scops_1.
5157
5158 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5159
5160         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
5161         (print_graphite_bb): Same.
5162
5163 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5164
5165         * graphite.c (dot_all_scops_1): Cleanup.
5166         (move_scops): Fix comment.
5167
5168 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5169
5170         * graphite.c (build_scop_bbs): Revert commit 139355:
5171
5172         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5173                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5174
5175                 * graphite.c (build_scop_bbs): Factor up code.
5176
5177 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5178
5179         * graphite.c (gloog): Update dominator info.
5180
5181 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5182
5183         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
5184
5185 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5186
5187         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
5188         initialization.
5189         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
5190         (translate_clast): Correct formatting.
5191         * graphite.h (struct num_map): Removed.
5192         (struct graphite_bb): Remove num_map field.
5193         (GBB_INDEX_TO_NUM_MAP): Removed.
5194
5195 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5196
5197         * graphite.c (build_access_matrix_with_af): Fix comments.
5198         (build_scop_data_accesses): Same.
5199
5200 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5201
5202         * graphite.c (build_scop_data_accesses): Don't construct
5203         access matrices.  Add a FIXME and an assert condition that
5204         should pass when the access matrices will be needed.
5205
5206 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5207
5208         * tree-data-ref.c (stmt_simple_memref_p): Don't call
5209         really_constant_p.
5210         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
5211         Moved close by free_graphite_bb.
5212         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
5213         (new_scop): Move close by free_scop.
5214         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
5215
5216 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
5217
5218         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
5219         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
5220         instead of recursive call.
5221         (graphite_translate_clast_equation): New.
5222         (graphite_create_guard_cond_expr): New.
5223         (graphite_create_new_guard): New.
5224         (get_stack_index_from_iv): Removed.
5225         (graphite_rename_ivs_stmt): Use gbb_loop_index.
5226         (get_true_edge_from_guard_bb): New.
5227         (translate_clast): Handle stmt_guard in clast.
5228         (get_construction_edge): Allow construction edge detection for
5229         a scope entry with multiple predecessors if one predecessor is
5230         the immediate dominator of scope entry.
5231         (can_generate_code_stmt): Enable code generation for clast_guard.
5232         (gloog): Use correct context loop.  Removed check for post dominators.
5233         * cfgloop.h (create_empty_if_region_on_edge): Declared.
5234
5235 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5236
5237         * graphite.c (remove_dead_loops): Document better which
5238         loops are removed.
5239
5240 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5241
5242         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
5243         and PPLINC.
5244         (graphite.o): Also depends on pointer-set.h.
5245
5246 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5247
5248         * graphite.c (scop_record_loop): Fix compile warning.
5249
5250 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
5251             Sebastian Pop  <sebastian.pop@amd.com>
5252
5253         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
5254
5255 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5256
5257         * graphite.c (build_graphite_bb): Initialize bb->aux to
5258         point to the graphite_bb_p.
5259         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
5260         content of bb->aux.
5261         (add_bb_domains): Does not use the scop parameter.
5262         (graphite_transform_loops): Clean bb->aux at the end.
5263
5264 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5265             Sebastian Pop  <sebastian.pop@amd.com>
5266
5267         * lib/target-supports.exp
5268         (check_effective_target_fgraphite): New.
5269
5270         * gcc.dg/graphite/graphite.exp: Early exit when
5271         check_effective_target_fgraphite returns false.
5272         Set dg-do-what-default to compile.
5273         (scan-graphite-dump-times): Removed.
5274         * gfortran.dg/graphite/graphite.exp: Same.
5275
5276         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
5277         Use scan-tree-dump-times instead of scan-graphite-dump-times.
5278         * gcc.dg/graphite/scop-1.c: Same.
5279         * gcc.dg/graphite/scop-2.c: Same.
5280         * gcc.dg/graphite/scop-3.c: Same.
5281         * gcc.dg/graphite/scop-4.c: Same.
5282         * gcc.dg/graphite/scop-5.c: Same.
5283         * gcc.dg/graphite/scop-6.c: Same.
5284         * gcc.dg/graphite/scop-7.c: Same.
5285         * gcc.dg/graphite/scop-8.c: Same.
5286         * gcc.dg/graphite/scop-9.c: Same.
5287         * gcc.dg/graphite/scop-10.c: Same.
5288         * gcc.dg/graphite/scop-11.c: Same.
5289         * gcc.dg/graphite/scop-12.c: Same.
5290         * gcc.dg/graphite/scop-13.c: Same.
5291         * gcc.dg/graphite/scop-matmult.c: Same.
5292         * gcc.dg/graphite/scop-14.c: Same.
5293         * gcc.dg/graphite/scop-15.c: Same.
5294         * gcc.dg/graphite/block-0.c: Same.
5295         * gcc.dg/graphite/scop-16.c: Same.
5296         * gcc.dg/graphite/block-1.c: Same.
5297         * gcc.dg/graphite/scop-17.c: Same.
5298         * gcc.dg/graphite/scop-18.c: Same.
5299         * gfortran.dg/graphite/block-1.f90: Same.
5300         * gfortran.dg/graphite/scop-1.f: Same.
5301         * gfortran.dg/graphite/block-2.f: Same.
5302
5303 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5304
5305         * graphite.c: Fix some XXX comments.
5306         (build_scop_dynamic_schedules): Removed.
5307
5308 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5309
5310         * graphite.h (scop_max_loop_depth): Moved...
5311         * graphite.c (scop_max_loop_depth): ...here.
5312         (remove_all_edges_1): New.
5313         (remove_all_edges): Factored code.
5314         (remove_cond_exprs): Check only the last statement for
5315         a GIMPLE_COND expression.
5316
5317 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5318
5319         * graphite.c (scan_tree_for_params): Early return when the
5320         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
5321         (find_scop_parameters): Factor out code.
5322         (graphite_trans_bb_strip_mine): Remove dead code.
5323
5324 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5325
5326         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
5327         graphite_trans_bb_move_loop): Factor asserts.
5328         (gloog): Perform sanity checks only for ENABLE_CHECKING.
5329         Do not call calculate_dominance_info and estimate_bb_frequencies.
5330
5331 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
5332
5333         * graphite.c (create_loops_mapping, free_loops_mapping,
5334         create_loops_mapping_num, debug_loop_mapping_1,
5335         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
5336         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
5337         graphite_loops_mapping_add_child_num,
5338         graphite_loops_mapping_insert_child,
5339         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
5340         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
5341         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
5342         create_num_from_index, get_num_from_index,
5343         swap_loop_mapped_depth): Removed.
5344         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
5345         (free_scop): Do not call free_loops_mapping.
5346         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
5347         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
5348         get_loop_mapped_depth.
5349         (graphite_trans_bb_move_loop): Do not update the loop mapping.
5350         (graphite_trans_bb_strip_mine): Same.
5351         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
5352         (struct scop): Remove field loops_mapping.
5353
5354 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5355             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5356
5357         * graphite.c (scop_record_loop): Factor out one level of the
5358         condition by early return.
5359         (build_scop_loop_nests): Format following FSF coding style.
5360         (build_scop_dynamic_schedules): Factor out code.
5361         (scopdet_bb_info): Reindent.  Default case should not be reachable.
5362
5363 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5364             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5365
5366         * graphite.c (loop_affine_expr): Check for DECL_P or struct
5367         assignments that are not handled as simple operands for now.
5368
5369 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5370             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5371
5372         * graphite.c (build_scop_bbs): Factor up code.
5373
5374 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5375             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5376
5377         * graphite.c (stmt_simple_for_scop_p): Factor code out
5378         of the loop.
5379         (enum gbb_type): New.  Group all the GBB_* types under it.
5380         (is_loop_exit): Moved...
5381         (end_scop): Enable BB spliting.
5382         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
5383         * cfgloop.h (is_loop_exit): Declared.
5384
5385 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5386
5387         * doc/invoke.texi: Remove strides from examples containing
5388         DO loops when the strides are equal to 1.
5389
5390 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
5391             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5392
5393         * graphite.c (graphite_trans_scop_block): Or the result with
5394         the result from graphite_trans_loop_block.
5395         * gcc.dg/graphite/block-1.c: New.
5396         * gfortran.dg/graphite/block-1.f90: New.
5397         * gfortran.dg/graphite/block-2.f: New.
5398
5399 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5400
5401         * graphite.c (graphite_transform_loops): Call cloog_initialize
5402         and cloog_finalize.
5403
5404 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5405
5406         * tree-data-ref.c) (stmt_simple_memref_p): New.
5407         * tree-data-ref.h (stmt_simple_memref_p): Declared.
5408         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
5409         (is_simple_operand): Call stmt_simple_memref_p.
5410
5411         * gcc.dg/graphite/scop-matmult.c: Updated for not
5412         using pointer arithmetic, as this is optimized by PRE and
5413         makes the code too difficult to analyze.
5414
5415         * gcc.dg/graphite/scop-18.c: Same.
5416
5417 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5418
5419         * gdbinit.in (pgg): New.
5420
5421 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5422
5423         * graphite.c (graphite_trans_loop_block): Fix warning.
5424
5425 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5426
5427         * graphite.c (graphite_trans_loop_block): Fix my merge error.
5428
5429 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5430
5431         * graphite.c (graphite_trans_bb_block): Remove check for
5432         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
5433         Check if loop blocking is profitable for every loop, before applying
5434         the changes.
5435         (graphite_apply_transformations): Call graphite_trans_bb_block only,
5436         if flag_loop_block is set.
5437
5438 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5439
5440         * graphite.c: Add some more documentation for the loop
5441         mapping.
5442
5443 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5444
5445         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
5446         * graphite.c: Format on less than 80 columns.
5447         * graphite.h: Same.
5448
5449 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5450
5451         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
5452
5453 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5454
5455         * doc/invoke.texi (floop-block, floop-strip-mine,
5456         floop-interchange): Update documentation with examples.
5457
5458 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5459
5460         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
5461         add_referenced_var.
5462         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
5463
5464 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5465
5466         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
5467         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
5468         * tree-scalar-evolution.c: Revert useless changes.
5469         * tree-phinodes.c: Same.
5470         * cfghooks.c: Same.
5471         * vec.h: Same.
5472         * tree-vectorizer.h: Same.
5473         * tree-flow.h: Same.
5474         * tree-cfg.c: Same.
5475         * common.opt (fgraphite): Update documentation.
5476
5477 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
5478
5479         * doc/invoke.texi (-floop-block, -floop-strip-mine,
5480         -floop-interchange): Add more text for explaining what each of these
5481         flags is doing.
5482         * tree-into-ssa.c (gimple_vec): Moved to...
5483         * graphite.c: Include gimple.h.
5484         (gimple_vec): Moved to...
5485         (del_loop_to_cloog_loop): Removed.
5486         (loop_affine_expr): Do not call create_data_ref when the
5487         operand is a constant.
5488         (new_scop): Use free instead of del_loop_to_cloog_loop.
5489         * Makefile.in (graphite.o): Depend on GIMPLE_H.
5490         * gimple.h (gimple_vec): ... here.
5491
5492 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5493
5494         * graphite.c (scopdet_bb_info): Only allow loops with known number of
5495         latch executions.
5496         (build_loop_iteration_domains): Fail, if latch executions unknown.
5497
5498 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5499
5500         * graphite.c (add_conditions_to_domain): New.
5501         (build_scop_conditions_1): Call add_conditions_to_domain.
5502         (set_cloog_options): Allow to disable optimizations.
5503
5504 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5505
5506         * graphite.c (find_params_in_bb): Look for parameters in conditions.
5507         Do not use walk_dominator_tree.
5508         (find_scop_parameters): Do not use walk_dominator_tree.
5509
5510 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5511
5512         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
5513         (idx_record_params): Adapt.
5514         * graphite.h (scop_gimple_loop_depth): New.
5515
5516 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5517
5518         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
5519         (scan_tree_for_params): Remove value_init.
5520         (build_scop_context): Remove value_init.
5521         (build_loop_iteration_domains): Remove value_init.
5522         (schedule_to_scattering): Remove value_init.
5523         (graphite_trans_bb_strip_mine): Remove value_init.
5524
5525 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5526
5527         * gcc/graphite.c (limit_scops): New.
5528         (graphite_transform_loops): Add limit SCoPs.
5529         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
5530         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
5531         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
5532         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
5533         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
5534         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
5535         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
5536         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
5537         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
5538         Change loop numbers.
5539         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
5540         Change loop numbers.
5541         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
5542         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
5543         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
5544         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
5545         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
5546         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
5547         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
5548         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
5549         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
5550         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
5551
5552 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5553
5554         * graphite.c (graphite_transform_loops): Call always find_transform.
5555
5556 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5557
5558         * graphite.c (free_loops_mapping): New.
5559         (stmt_simple_for_scop_p): Fix typo.
5560         (stmt_simple_for_scop_p): Fix tuples functions, that
5561         broke polyhedron.
5562         (free_graphite_bb): Fix some memleaks.
5563         (free_scop): Fix some memleaks.
5564         (scopdet_bb_info): Do not forget some tmp SCoPs.
5565         (find_params_in_bb): Fix some memleaks.
5566         (clast_to_gcc_expression): Fix warning.
5567
5568 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5569
5570         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
5571         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
5572
5573 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5574
5575         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
5576         Move code ifdef-ed HAVE_cloog...
5577         * graphite.c: Include toplev.h.
5578         ... here.
5579         * Makefile.in (OBJS-common): Always build graphite.o.
5580         (BACKEND): Remove @GRAPHITE@.
5581         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
5582         (graphite.o): Depend on TOPLEV_H.
5583
5584 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5585
5586         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
5587         Remove typo left from polylib to ppl conversion.
5588         * graphite.c (graphite_transforms): Use sorry instead of fatal.
5589
5590 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5591
5592         * toplev.c (process_options): Move the graphite loop optimization
5593         flags...
5594         * tree-ssa-loop.c (graphite_transforms): ... here.
5595         When not configured with CLooG, print to dump_file that
5596         Graphite transforms were not performed.
5597         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
5598         New.
5599         * gcc.dg/graphite/*.c: Updated all testcases to use
5600         scan-graphite-dump-times.
5601
5602 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5603
5604         * graphite.c (dot_scop, dot_all_scops): Do not call system.
5605         Do not open /tmp/scop.dot and /tmp/allscops.dot.
5606
5607 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
5608             Jan Sjodin  <jan.sjodin@amd.com>
5609
5610         * configure: Regenerated.
5611         * omp-low.c (expand_omp_sections): Remove now unused code.
5612         * config.in (HAVE_polylib): Removed.
5613         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
5614         (PPLLIBS, PPLINC): Added.
5615         * graphite.c: Replace unsigned with int wherever possible.
5616         Don't access Cloog's data structures, but use accessor functions.
5617         Clast's stmt->type is now implemented as a vtable: change the
5618         switches of stmt->type into ifs.
5619         (polylib/polylibgmp.h): Don't include.
5620         (initialize_dependence_polyhedron,
5621         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5622         statement_precedes_p, test_dependence, build_rdg_all_levels,
5623         dump_dependence_graph): Removed until this code is cleaned up
5624         or ported to Cloog.
5625         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
5626         (POLYLIBINC): Renamed PPLINC.
5627
5628 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
5629             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5630             Jan Sjodin  <jan.sjodin@amd.com>
5631
5632         Finish the merge and tuplification of graphite.
5633
5634 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5635             Jan Sjodin  <jan.sjodin@amd.com>
5636
5637         Partial merge from mainline (138072:138275).
5638         * graphite.c still has to be tuplified.
5639
5640 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
5641
5642         * graphite.c (graphite_loops_mapping_max_loop_num): New.
5643         (create_num_from_index): New.
5644         (get_num_from_index): Also pass in the graphite BB.
5645         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
5646         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
5647         (graphite_trans_bb_strip_mine): Call create_num_from_index.
5648         (is_interchange_valid): Return false when failing.
5649         * graphite.h (struct num_map): New.
5650         (struct graphite_bb): New field num_map.
5651         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
5652
5653 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5654
5655         * graphite.c (dump_gbb_conditions): Print also conditions like
5656         "if (a)".  Remove dublicated code and use print_generic_expr ().
5657         (stmt_simple_for_scop_p): Only allow conditions we can handle
5658         {<, <=, >, >=}.
5659
5660 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5661
5662         * graphite.h (struct scop): Removed new_ivs field.
5663         (SCOP_NEWIVS): Deleted.
5664         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
5665         clast_to_gcc_expression, graphite_create_new_loop):
5666         Removed use of new_ivs.
5667
5668 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5669
5670         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
5671         create_loops_mapping_num, debug_loop_mapping_1): New.
5672         (debug_loop_mapping): Call debug_loop_mapping_1.
5673         (get_loop_mapping_for_num,
5674         graphite_loops_mapping_add_child,
5675         graphite_loops_mapping_add_child_num,
5676         graphite_loops_mapping_insert_child,
5677         graphite_loops_mapping_parent,
5678         split_loop_mapped_depth_for_num,
5679         loop_mapped_depth_split_loop): New.
5680         (increment_loop_mapped_depths): Removed.
5681         (swap_loop_mapped_depth_for_num): Reimplemented.
5682         (new_scop): Call create_loops_mapping.
5683         (scop_record_loop): Call graphite_loops_mapping_insert_child.
5684         (translate_clast): Pass the old loop father in parameter, and pass
5685         it to get_old_iv_from_ssa_name.
5686         (remove_edges_around_useless_blocks, can_generate_code_stmt,
5687         can_generate_code, can_generate_for_scop): New.
5688         (graphite_trans_bb_block): Returns false when it fails to transform.
5689         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
5690
5691 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5692
5693         Reverted all the changes related to the streamization and
5694         loop fusion.
5695         These changes are now tracked in the streamization branch.
5696
5697 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5698             Jan Sjodin  <jan.sjodin@amd.com>
5699
5700         * graphite.c (gbb_compare): Correctly constify.
5701         (gbb_can_be_ignored): Indent.
5702         (graphite_trans_scop_swap_1and2): Add legality check.
5703         Remove dead FIXMEs.
5704
5705 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5706
5707         Remove fallouts from "Reverted the Condate changes".
5708         * tree.h: Remove unused decl.
5709         * gcc.dg/tree-checker: Same.
5710         * timevar.def: Remove counter.
5711
5712 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5713
5714         * Merge from mainline (135673:138072).
5715
5716         Reverted the MIRO changes (from 2008-04-05) that are now
5717         tracked in the miro branch.
5718         * tree-bounds.c: Removed.
5719         * tree-bounds.h: Removed.
5720
5721         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
5722         are now tracked in the condate branch.
5723         * tree-check.c: Removed.
5724         * tree-match.c: Removed.
5725         * condate.y: Removed.
5726
5727 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5728
5729         * common.opt: New user flag -floop-block, -floop-strip-mine
5730         and -floop-interchange.
5731         * toplev.c (process_options): Enable -fgraphite pass if any one of the
5732         graphite loop optimization flags is turned on.
5733         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
5734         flag_loop_strip_mine and flag_loop_interchange checks before
5735         optimizations.
5736         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
5737         -floop-strip-mine and -floop-interchange.
5738         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
5739         -fgraphite.
5740         * gcc.dg/graphite/scop-16.c: Ditto.
5741         * gcc.dg/graphite/scop-17.c: Ditto.
5742         * gcc.dg/graphite/scop-18.c: Ditto.
5743
5744 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
5745             Sebastian Pop  <sebastian.pop@amd.com>
5746
5747         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
5748         (create_empty_loop_on_edge): More fixes.
5749         * tree-phinodes.c (resize_phi_node): Extern.
5750         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
5751         * cfghooks.c (update_dominator_information): New split from
5752         split_edge.
5753         * tree-vectorizer.c (rename_variables_in_bb): Extern.
5754         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
5755         successor of the function entry block.
5756
5757         * graphite.c: Include pointer-set.h.
5758         (debug_loop_mapping, increment_loop_mapped_depths,
5759         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
5760         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
5761         swap_loop_mapped_depth_for_num, get_num_from_index,
5762         swap_loop_mapped_depth, loop_iv_stack_debug,
5763         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
5764         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
5765         get_old_iv_from_ssa_name): New.
5766         (new_scop): Initialize SCOP_LOOPS_MAPPING.
5767         (free_scop): Free SCOP_LOOPS_MAPPING.
5768         (scop_record_loop): Record old ivs.
5769         (create_var_name): Removed.
5770         (initialize_cloog_names): Allocate double space in case strip mine
5771         applies to all loops once.
5772         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
5773         (clast_to_gcc_expression): Same.  Implement more clast to gimple
5774         translation.
5775         (graphite_create_new_loop): Pass in ivstack.
5776         (remove_all_edges): Pass in the construction_edge.
5777         (graphite_remove_iv): Removed.
5778         (graphite_rename_ivs, graphite_rename_ivs_stmt,
5779         remove_cond_exprs): Rewritten.
5780         (move_phi_nodes): New.
5781         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
5782         (translate_clast): Pass in ivstack.  Rewrite some cases.
5783         (set_cloog_options, debug_clast_stmt): New.
5784         (find_transform): Use set_cloog_options.
5785         (outermost_loop_layer): Removed.
5786         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
5787         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
5788         mark_old_loops, remove_dead_loops): New.
5789         (gloog): Rewritten.
5790         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
5791         (const_column_index, get_first_matching_sign_row_index,
5792         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
5793         get_upper_bound): New.
5794         (graphite_trans_bb_strip_mine): Also update the iv map.
5795
5796         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
5797         (struct name_tree): Add a loop field.
5798         (struct scop): Add a graphite_loops_mapping field.
5799         (SCOP_LOOPS_MAPPING): New.
5800         (debug_clast_stmt): Declare.
5801         * lambda.h (find_induction_var_from_exit_cond): Declare.
5802         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
5803         * cfgloop.h (update_dominators_in_loop): Removed declaration.
5804         (create_empty_loop_on_edge): Updated.
5805         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
5806         rename_variables_in_bb): Declare.
5807         * tree-cfg.c (remove_bb): Extern.
5808
5809         * gcc.dg/graphite/block-0.c: New.
5810
5811 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5812             Sebastian Pop  <sebastian.pop@amd.com>
5813
5814         * graphite.c (strip_mine_profitable_p): New.
5815         (graphite_trans_bb_block): Disable strip mining if not profitable.
5816
5817         * gcc.dg/graphite/scop-18.c: New.
5818         * gcc.dg/graphite/scop-17.c: Fixed.
5819         * gcc.dg/graphite/scop-16.c: Fixed.
5820
5821 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
5822             Jan Sjodin  <jan.sjodin@amd.com>
5823             Sebastian Pop  <sebastian.pop@amd.com>
5824
5825         * graphite.c (is_interchange_valid): New.
5826         (graphite_trans_bb_block): Check loop nest of basic block for legality
5827         of interchange.
5828
5829         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
5830         outer_most_loop, gbb_outer_most_loop_index): New.
5831
5832         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
5833         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
5834         * gcc.dg/graphite/scop-16.c: New.
5835         * gcc.dg/graphite/scop-17.c: New.
5836
5837 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5838
5839         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
5840         (graphite_trans_scop_block): Ignore SCoPs without bbs.
5841
5842 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5843
5844         * graphite.c (new_scop): Initialize SCOP_EXIT.
5845         (scopdet_info): Add.
5846         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
5847         (build_scops_1): Cleanup, bugfixes.
5848         (build_scops): Cleanup.
5849
5850         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
5851         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
5852
5853 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5854
5855         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
5856
5857         * gfortran.dg/graphite/graphite.exp: Use
5858         DEFAULT_GRAPHITE_FLAGS.
5859
5860         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
5861
5862 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5863
5864         * graphite.c (scan_tree_for_params): Do not assert any more if
5865         MULT_EXPR parameter is negative.
5866
5867         * gfortran.dg/graphite/scop-1.f: New.
5868
5869         * gfortran.dg/graphite/graphite.exp: New.
5870
5871         * gcc.dg/graphite/scop-15.c: New.
5872
5873 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5874
5875         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
5876
5877 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5878
5879         * graphite.c (graphite_trans_bb_swap_loops): Rename from
5880         graphite_swap_loops.
5881         (graphite_trans_bb_move_loop): New.
5882         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
5883         (graphite_trans_bb_block): New.
5884         (graphite_trans_loop_block): New.
5885         (graphite_trans_scop_swap_1and2): Rename from
5886         graphite_trans_swap_1and2.
5887         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
5888         (graphite_trans_scop_block): New.
5889         (graphite_apply_transformations): Rename from
5890         graphite_transformations.
5891
5892         * gcc.dg/graphite/scop-matmult.c: New.
5893
5894 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5895
5896         * graphite.c (gbb_compare): New.
5897         (graphite_sort_gbbs): New.
5898         (gbb_can_be_ignored): New.
5899         (scop_remove_ignoreable_gbbs): New.
5900         (graphite_transformations): Cleanup and add
5901         scop_remove_ignoreable_gbbs.
5902         * lambda.h (lambda_vector_compare): New.
5903
5904 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5905
5906         * graphite.c (print_graphite_bb): Correct printing of static schedule.
5907         (graphite_swap_loops): int -> unsigned
5908         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
5909         (graphite_transformations): New.
5910         (graphite_transform_loops): Move to graphite_transformations.
5911         * graphite.h (gbb_nb_loops): Return unsigned.
5912
5913 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5914
5915         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
5916         the domain matrix.  This makes scop-0.c work again.
5917
5918 2008-06-20  Richard Guenther  <rguenther@suse.de>
5919
5920         * graphite.h: Adjust copyright to GPLv3.
5921         * graphite.c: Likewise.
5922         (stmt_simple_memref_for_scop_p): Split out from ...
5923         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
5924         and simplify.
5925         (get_bb_type): Optimize.
5926         (is_pred): Remove.
5927         (is_bb_addable): Fix memleak, replace is_pred call with
5928         single_pred.
5929         (build_scops): Use current_loops.
5930         (param_index): Fix memleak.
5931
5932 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5933
5934         * graphite.c: Fix formatting.
5935
5936 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5937
5938         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
5939         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
5940         (create_var_name, save_var_name): Newly defined functions.
5941         (initialize_cloog_names): Part of the code factored out to
5942         save_var_name.
5943         (clast_to_gcc_expression): Now handles the case of clast_red_sum
5944         in clast_reduction statement.
5945         (graphite_create_new_loop): Now takes a new parameter
5946         for outer_loop.
5947         (translate_clast): Now also takes the context_loop and bb_exit
5948         parameters. Rewritten the code so that it creates a gimple code
5949         inside the given context.
5950         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
5951         remove_cond_expr, disconnect_cond_expr,
5952         disconnect_virtual_phi_nodes): Newly defined functions.
5953         * graphite.h (struct scop): added old_ivs vector.
5954         SCOP_OLDIVS: New macro.
5955
5956 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
5957
5958         * cfgloopmanip.c: Add missing function comments, fix formatting.
5959
5960 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5961
5962         * cfgloopmanip.c (update_dominators_in_loop): Defined.
5963         (create_empty_loop_on_edge): Defined.
5964         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
5965         instead of void.
5966         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
5967         (update_dominators_in_loop): Declared as extern
5968         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
5969
5970 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5971
5972         * graphite.c (print_graphite_bb): Allow changing number of loops
5973         in SCoP domain.
5974         (initialize_cloog_names): Allow changing number of loops.
5975         (build_cloog_prog): Simplify.
5976         (find_transform): Enable cloog option --strides.
5977         (graphite_swap_loops): New.
5978         (graphite_strip_mine_loop): New.
5979         (graphite_trans_swap_1and2): New.
5980         (graphite_trans_strip): New.
5981         (graphite_transform_loops): Add graphite_trans_strip.
5982         * graphite.h (scop_max_loop_depth): New.
5983
5984 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5985
5986         * graphite.c (build_scop_iteration_domain): Remove forgotten
5987         line. (Fixes compile)
5988
5989 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5990
5991         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
5992         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
5993         (build_bb_loops): New.
5994         (graphite_transform_loops): Add build_bb_loops.
5995         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
5996         numbers.
5997         * graphite.h (graphite_bb): Add loops.
5998         (gbb_nb_loops): New.
5999         (gbb_loop_at_index): New.
6000         (gbb_loop_index): New.
6001         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
6002         using nb_params_in_scop.
6003
6004 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
6005
6006         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
6007         (build_scop_canonical_schedules): Build minimized schedule.
6008         (schedule_to_scattering): Adapt to minimized schedule.
6009         * graphite.h (graphite_bb): Add/Update descriptions.
6010
6011 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
6012             Tobias Grosser  <grosser@fim.uni-passau.de>
6013
6014         * graphite.c (print_graphite_bb): Add condition printing.
6015         (dump_value): New.
6016         (dump_gbb_conditions): New.
6017         (build_scop_conditions_1): New.
6018         (build_scop_conditions): New.
6019         * graphite.h (graphite_bb): Add conditions.
6020
6021 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
6022
6023         * graphite.c (print_graphite_bb):
6024         (free_graphite_bb): New.
6025         (free_scop): Free bbs.
6026         (get_bb_type): Free doms.
6027         (build_scop_context): Free context matrix.
6028         (build_loop_iteration_domains): Remove unused code.
6029         (build_cloog_prog): Free scattering function and blocklist.
6030         (find_transform): Free options.
6031
6032 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
6033
6034         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
6035         Remove unnecessery cloog data structures. Make a copy of the domain
6036         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
6037         unnecessary cloog data structures. Fix memory leaks. Remove insert
6038         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
6039         used.
6040         (build_scop_iteration_domain): Remove unnecessary cloog
6041         data structures.  Fix memory leaks.
6042         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
6043         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
6044
6045 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6046
6047         * graphite.c (find_scop_params): Remove initialize_cloog_names.
6048
6049 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6050
6051         * graphite.c (end_scop): Style fix.
6052         (schedule_to_scattering): Style and comment fix.
6053
6054 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6055         * graphite.c (print_graphite_bb): Fix definiton of
6056         schedule_to_scattering.
6057         (initialize_cloog_names): Change nb_scattdims to max loop
6058         depth in SCoP.
6059         (schedule_to_scattering): Take parameter for number of scattering
6060         dimensions.
6061         (build_cloog_prog): Only build as much scattering dimensions as
6062         necessary.
6063
6064 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6065
6066         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
6067         in polyhedron/aermod.f90.
6068
6069 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6070             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
6071             Harsha Jagasia  <harsha.jagasia@amd.com>
6072
6073         * graphite.c (is_bb_addable): Fix segfault.
6074
6075 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6076
6077         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
6078         with multiple exits and conditional handling in edge cases.
6079         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
6080
6081         * gcc.dg/graphite/scop-14.c: New.
6082
6083 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6084             Adrien Eliche  <aeliche@isty.uvsq.fr>
6085
6086         * graphite.c (is_bb_addable): Add more comments and enhance
6087         readablity of the source code. Fix memory leak.
6088         (is_loop_exit): Fix memory leak.
6089
6090 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6091
6092         * graphite.c (first_loop_in_scop): Deleted.
6093         (setup_cloog_loop): Only walk the loop chain for inner loops.
6094         (build_scop_iteration_domain): Execute setup_cloog_loop for
6095         all loops in the first layer.
6096
6097 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6098
6099         * graphite.c (scan_tree_for_params): Change the way params are
6100         added to be indepenent of the number of loops.
6101         (setup_cloog_loop): Revert to short matrix format. Fix parameter
6102         handling.
6103         (build_cloog_prog): Revert to short matrix format.
6104
6105 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6106             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
6107
6108         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
6109         warning.
6110
6111 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6112
6113         * graphite.c (nb_data_refs_in_scop): New.
6114         (graphite_transform_loops): Print more stats: number of
6115         loops, basic blocks and data references per scop.
6116
6117 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6118             Jan Sjodin  <jan.sjodin@amd.com>
6119
6120         * graphite.c (loop_affine_expr, idx_record_params,
6121         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
6122         instead of instantiate_parameters.
6123
6124 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6125
6126         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
6127         add support for parameters, add STATIC_SCHEDULE at the right places,
6128         cleanup.
6129
6130 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6131
6132         * graphite.c (build_scop_loop_nests): Only add the loops, that
6133         are contained completely in the SCoP.
6134         (build_cloog_prog): Disable scattering, until schedule_to_scattering
6135         and the domains are fixed.
6136         (build_scop_canonical_schedules): Add support for bbs not contained
6137         in any SCoP.
6138
6139 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6140
6141         * graphite.h (scop_contains_loop): Update comments to match
6142         the actual behavior.
6143         (scop_contains_loop): New.
6144         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
6145
6146 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6147
6148         * graphite.c (get_bb_type): On function body, i.e. loop_0,
6149         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
6150         as GBB_COND_HEADER.
6151
6152 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6153             Tobias Grosser  <grosser@fim.uni-passau.de>
6154
6155         * graphite.c (graphite_transform_loops): Early return when
6156         there are no loops in the function.
6157
6158 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6159             Jan Sjodin  <jan.sjodin@amd.com>
6160
6161         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
6162         offset of the last loop.
6163         (setup_cloog_loop): Copy the entire outer constraint matrix.
6164
6165 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6166             Jan Sjodin  <jan.sjodin@amd.com>
6167
6168         * graphite.c (stmt_in_scop_p, function_parameter_p,
6169         invariant_in_scop_p): Removed.
6170         (scan_tree_for_params): Can be used with no constraint
6171         matrix for gathering parameters.
6172         (idx_record_params): Don't use idx_record_param, instead use
6173         scan_tree_for_params.
6174         (find_scop_parameters): Same.
6175         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
6176         Fix the size of loop domains.
6177         (schedule_to_scattering): Exit when the outer loop is not in scop.
6178         (find_transform): Enable build_cloog_prog.
6179
6180 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6181             Jan Sjodin  <jan.sjodin@amd.com>
6182
6183         * graphite.c (schedule_to_scattering): Make scattering domains
6184         uniformly of the same size, as required by CLooG 0.14.0 and before.
6185
6186 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6187             Jan Sjodin  <jan.sjodin@amd.com>
6188
6189         * graphite.c (schedule_to_scattering): Rewrite, correct the
6190         translation of the scheduling function to scattering.
6191         (build_cloog_prog): Call schedule_to_scattering only once.
6192         * graphite.h (scop_loop_index): Do not fail for loops not
6193         in the scop: return -1.
6194
6195 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
6196
6197         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
6198         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
6199         (setup_cloog_loop): Export GBB_DOMAIN.
6200         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
6201         able to rebuild the original control flow.
6202         * graphite.h (graphite_bb): Add domain field and access macro.
6203         (GBB_DOMAIN): New.
6204
6205 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6206
6207         * graphite.c (debug_gbb): New.
6208         (print_scop, build_graphite_bb): Use SCOP_BBS.
6209         (build_scop_bbs): Reimplemented.
6210         (dfs_bb_in_scop_p): Removed.
6211         (build_scop_loop_nests): Reorder loops inserted in
6212         SCOP_LOOP_NEST: outer loops should come first.
6213         (build_scop_canonical_schedules): Reinitialize at zero
6214         the components of the SCOP_STATIC_SCHEDULE for the loops
6215         that have already been parsed.
6216
6217         * graphite.h (debug_gbb): Declared.
6218
6219 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6220             Jan Sjodin  <jan.sjodin@amd.com>
6221
6222         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
6223         (graphite_loop_to_gcc_loop): Removed.
6224         (remove_all_edges): New.
6225         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
6226         (gloog): Remove useless code.
6227
6228 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6229
6230         * graphite.c (get_bb_type): Reworked. We distinguish between
6231         loops with one or multiple exits.
6232         (is_loop_exit): New.
6233         (is_pred): New.
6234         (is_bb_addable): Rework condition handling, now support for case
6235         case statements and loops with multiple exits.
6236
6237         * gcc.dg/graphite/scop-11.c: New.
6238         * gcc.dg/graphite/scop-12.c: New.
6239         * gcc.dg/graphite/scop-13.c: New.
6240
6241 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6242
6243         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
6244         we have too many colors.
6245
6246 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
6247
6248         * doc/invoke.texi (-ftree-loop-fusion): Document.
6249         * tree-pass.h (pass_loop_fusion): Declared.
6250         * tree-loop-fusion.c: New.
6251         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
6252         * tree-data-ref.c (find_data_references_in_loop): Make extern.
6253         * tree-data-ref.h (find_data_references_in_loop): Declared.
6254         * common.opt (ftree-loop-fusion): Declared.
6255         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
6256
6257 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
6258
6259         * graphite.c (build_access_matrix): Fix typo from the merge.
6260
6261 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
6262
6263         * Merge from mainline (130800:135673).
6264
6265 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6266
6267         * graphite.c (end_scop): The exit of the scop is not part of the scop.
6268         Update dominators after splitting.
6269
6270 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6271
6272         * graphite.c (is_bb_addable): Return the harmful statement.
6273         Factor up some code.
6274         (end_scop): New.  Splits end of scope bbs on a harmful statement.
6275         (build_scops_1): Call end_scop.
6276
6277 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6278
6279         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
6280         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
6281         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
6282         build_scops_1): Removed.
6283         (build_scops_2): Renamed build_scops_1.
6284
6285 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
6286
6287         * graphite.c: Fix formatting.
6288
6289 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6290
6291         * graphite.c (get_bb_type): New.
6292         (move_scops): New.
6293         (build_scops_2): New.
6294         (is_bb_addable): New.
6295         (build_scops): Switch the scop detection.
6296         (build_scop_bbs): Add entry bb to scop.
6297         * graphite.h (struct scop): Update comment.
6298
6299 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6300
6301         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
6302         more colors.
6303
6304 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6305
6306         * gcc.dg/graphite/scop-1.c: Update.
6307         * gcc.dg/graphite/scop-2.c: Update.
6308         * gcc.dg/graphite/scop-4.c: Update.
6309         * gcc.dg/graphite/scop-5.c: Add.
6310         * gcc.dg/graphite/scop-6.c: Add.
6311
6312 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
6313
6314         * gcc.dg/graphite/scop-0.c: Add.
6315         * gcc.dg/graphite/scop-7.c: Add.
6316         * gcc.dg/graphite/scop-8.c: Add.
6317         * gcc.dg/graphite/scop-9.c: Add.
6318         * gcc.dg/graphite/scop-10.c: Add.
6319
6320 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6321
6322         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
6323         Check affine expressions depending on the outermost loop
6324         instead of a scop.
6325         (stmt_simple_for_scop_p): Same.
6326         (harmfule_stmt_in_scop): Same.
6327
6328 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
6329
6330         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
6331         mark entry and exit, that are not part of the SCoP and update HTML
6332         formatting.
6333
6334 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
6335
6336         * graphite.c (basic_block_simple_for_scop_p): Renamed
6337         harmful_stmt_in_bb.
6338         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
6339         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
6340         (all_preds_visited_p, all_succs_visited_p,
6341         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
6342         scop_end_loop): New.
6343         (build_scops): Do not use dfs_enumerate_from.
6344
6345         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
6346
6347 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
6348
6349         * graphite.c: Add comments to functions that are missing a
6350         description.
6351         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
6352
6353 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
6354
6355         * graphite.c (nb_params_in_scop): Moved...
6356         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
6357         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
6358         (clast_to_gcc_expression): Reduce column size to less than 80.
6359         (graphite_create_iv): Return the new name of the IV.
6360         (find_transform): Set options->esp and options->cpp.
6361         (gloog): Comment out the invalidation of the old loop code.
6362         (initialize_dependence_polyhedron): Replace scop_nb_params with
6363         nb_params_in_scop.
6364
6365         * graphite.h (nb_params_in_scop): ... here.
6366         (scop_nb_params): Removed.
6367         (loop_domain_dim): Return something even when the loop was not
6368         found in the hash table: avoid ICEing on all the graphite.exp
6369         testcases.
6370
6371 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6372
6373         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
6374
6375         * graphite.c (build_scop_dynamic_schedules): Schedule is built
6376         according to nesting level.
6377         (find_scop_parameters): Call instantiate_parameters.
6378         (scan_tree_for_params): Extend it to handle general affine bounds.
6379         Inner loop bound can depend on outer loop induction variable.
6380         (setup_cloog_loop): tmp variable is allocated on stack. Call
6381         instantiate_parameters with respect to outermost_loop_in_scop.
6382         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
6383         graphite.h.
6384         (create_empty_loop): Function loopify should be given edge
6385         probability, instead of edge frequency. Dominance relation from
6386         switch_bb to loop_header.
6387         (clast_to_gcc_expression): Added handling of clast_reduction node.
6388         (gloog): New functionality for removing old loop.
6389         (test_dependence): Factored out from build_rdg_all_levels.
6390         (build_rdg_all_levels): Dependence testing factored out to
6391         test_dependence function.
6392
6393         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
6394         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
6395         from graphite.c
6396
6397 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
6398
6399         * graphite.c (free_scop, param_index, initialize_cloog_names,
6400         nb_params_in_scop): Use name_tree map instead of just a tree
6401         for keeping track of the variable name associated to that tree.
6402         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
6403         clast_to_gcc_expression, graphite_create_iv,
6404         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
6405         graphite_stmt_to_gcc_stmt): New.
6406         (gloog): Call these.
6407         * graphite.h (struct name_tree): New.
6408         (struct scop): Use name_tree instead of tree for params.
6409         Store a vector of name_tree for new_ivs.
6410         (SCOP_NEWIVS): New.
6411         (scop_nb_params): Use name_tree instead of tree.
6412
6413 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
6414             Sebastian Pop  <sebastian.pop@amd.com>
6415
6416         * tree-bounds.c: New.
6417         * tree-bounds.h: New.
6418         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
6419         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
6420         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
6421         flag_mudflap.
6422         * gcc.c: Same.
6423         * toplev.c: Same.
6424         * c-cppbuiltin.c: Same.
6425         * c-pragma.c: Same.
6426         * common.opt: Same.
6427         * varasm.c: Same.
6428         * tree-outof-ssa.c: Same.
6429         * c-common.c: Same.
6430         * Makefile.in: Same.
6431
6432 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
6433             Sebastian Pop  <sebastian.pop@amd.com>
6434
6435         * tree-loop-distribution.c (remaining_stmts,
6436         upstream_mem_writes): Removed static variables.
6437         (copy_loop_before, create_bb_after_loop,
6438         mark_nodes_having_upstream_mem_writes, free_rdg_components,
6439         rdg_build_components, rdg_build_partitions,
6440         dump_rdg_partitions): Extern.
6441         (generate_loops_for_partition, generate_code_for_partition): Do not
6442         return a bool.
6443         (already_processed_vertex_p, predecessor_has_mem_write,
6444         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
6445         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
6446         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
6447         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
6448         Pass remaining_stmts and upstream_mem_writes as parameters.
6449         (rdg_component): Moved...
6450         (build_rdg_partition_for_component): Do not aggregate components when
6451         flag_streamize_loops is set.
6452         (gen_sequential_loops): New.
6453         (ldist_gen): Call gen_sequential_loops.
6454
6455         * tree-pass.h (pass_loop_streamization): Declared.
6456
6457         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
6458         basic blocks when loops structures exist.
6459
6460         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
6461
6462         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
6463
6464         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
6465         eliminate_local_variables_stmt, eliminate_local_variables,
6466         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
6467         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
6468         of code delimited by two edges in the CFG.
6469         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
6470         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
6471         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
6472         the case of parallelisation of reductions.
6473         (create_loop_fn): Extern.
6474         (create_omp_parallel_region): New.
6475
6476         * tree-data-ref.c (dump_data_dependence_relation): Don't call
6477         dump_data_reference for printing dra and drb.
6478         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
6479         RDGE_RELATION.
6480         (build_rdg): Don't call free_dependence_relations for the moment, as
6481         we attach dependence relations on each edge of the RDG.
6482         To be fixed later.
6483
6484         * tree-data-ref.h (rdg_component): ...here.
6485         (struct rdg_edge): New field ddr_p relation.
6486         (RDGE_RELATION): New.
6487         (create_bb_after_loop, copy_loop_before,
6488         mark_nodes_having_upstream_mem_writes, rdg_build_components,
6489         rdg_build_partitions, dump_rdg_partitions,
6490         free_rdg_components): Declared.
6491
6492         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
6493         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
6494
6495         * tree-loop-streamization.c: New.
6496
6497         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
6498         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
6499
6500         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
6501
6502         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
6503
6504         * passes.c: Schedule pass_loop_streamization.
6505
6506 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
6507
6508         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
6509         update comment.
6510
6511 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6512
6513         * graphite.c (dot_all_scops): Update formatting.
6514         Bbs can now be part of more than one SCoP.
6515
6516 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
6517
6518         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
6519         malloc problems.
6520         (loop_domain_dim): Check for unregistered toplev SCOP loop.
6521         * graphite.h (loop_to_cloog_loop): New.
6522
6523 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6524
6525         * graphite.c (loop_domain_dim, ref_nb_loops,
6526         loop_iteration_vector_dim): New.
6527         (build_access_matrix_with_af, build_access_matrix,
6528         initialize_dependence_polyhedron): Fixed for new matrix layout.
6529         No longer assume that all iteration domains are of the same
6530         dimensionality.
6531
6532 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
6533
6534         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
6535         defined in a loop at depth 0 is invariant.
6536         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
6537         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
6538         be called at loop depth 0.
6539
6540         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
6541         a parameter.
6542         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
6543         (down_open_scop): Removed.
6544         (loop_in_scop_p): Redefined.
6545         (scop_affine_expr): New argument: scop.
6546         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
6547         a harmful statement ending a scop.
6548         (basic_block_simple_for_scop_p): New argument: scop.
6549         (get_loop_start): Removed.
6550         (new_scop): Initialize SCOP_LOOPS.
6551         (free_scop): Free SCOP_LOOPS.
6552         (succs_at_same_depth, preds_at_same_depth): New.
6553         (end_scop): Test the validity of a scop.
6554         (add_dominators_to_open_scops): New.
6555         (test_for_scop_bound): Call add_dominators_to_open_scops.
6556         Add cases for opening and closing multiple scops.
6557         (build_scops, build_scop_bbs): Iterate over basic blocks in
6558         depth first order.
6559         (build_graphite_bb): Pass scop directly.
6560         (dfs_bb_in_scop_p): New.
6561         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
6562         several times.
6563         (nb_loops_around_gb): Use loop_in_scop_p.
6564         (schedule_to_scattering): Disabled for the moment the code computing
6565         the "textual order for outer loop".
6566
6567         * graphite.h (struct scop): New field loops.
6568         (SCOP_LOOPS): New.
6569         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
6570
6571         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
6572
6573 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
6574             Sebastian Pop  <sebastian.pop@amd.com>
6575
6576         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
6577         * common.opt (fstreamize-loops): New.
6578         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
6579         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
6580         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
6581         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
6582
6583 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6584
6585         * tree-data-ref.c (build_empty_rdg): New.
6586         (build_rdg): Use it.
6587         * tree-data-ref.h (build_empty_rdg): Declared.
6588         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
6589         (find_vertex_for_stmt): Removed.
6590         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
6591
6592 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
6593
6594         * tree-loop-distribution.c (generate_builtin): After cancelling the
6595         loop tree, also delete basic blocks.
6596         (rdg_flag_uses): Stop recursion when a vertex has already been
6597         processed.
6598
6599 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6600
6601         * graphite.c (build_scop_alpha): Removed.
6602         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
6603         and dump_dependence_graph to avoid compiler warnings.
6604
6605 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6606
6607         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
6608         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
6609         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6610         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
6611         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
6612         (initialize_dependence_polyhedron, find_vertex_for_stmt,
6613         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6614         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
6615         dump_dependence_graph): New.
6616         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
6617         (GBB_ALPHA): New.
6618         (struct scop): New field loop2cloog_loop.
6619         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
6620         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
6621
6622 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6623
6624         * graphite.c (build_graphite_bb): Fix initialization
6625         of the graphite basic block.
6626
6627 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
6628
6629         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
6630         loop domain matrix.  Pass in the number of loops contained in the
6631         constraint matrix.
6632         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
6633         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
6634         loops that are not surrounding the current loop are not represented
6635         in the domain constraint matrix.
6636         (build_scop_iteration_domain): Initial domain constraint matrix
6637         contains only the eq/ineq, cst, and scop parameters columns.
6638
6639 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6640
6641         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
6642         (print_graphite_bb): Print scattering.
6643
6644 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6645
6646         * graphite.c (initialize_cloog_names): Initialize names of
6647         scattering variables.
6648
6649 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6650
6651         * graphite.c (dot_all_scops_1): Disable debug output while
6652         printing graph.
6653
6654 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6655
6656         * graphite.c (find_transform): Change cloog output language to C.
6657
6658 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
6659
6660         * tree-loop-distribution.c (generate_memset_zero,
6661         generate_builtin, generate_code_for_partition,
6662         rdg_flag_all_uses): New.
6663         (rdg_flag_uses): Gather in the same partition the statements defining
6664         the VUSES of the current statement.
6665         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
6666         Gather in the same partition not only the stores to the same memory
6667         access, but also the reads.
6668         (ldist_generate_loops): Renamed ldist_gen.
6669
6670 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6671             Tobias Grosser  <grosser@fmi.uni-passau.de>
6672
6673         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
6674         next pointer, don't use the inner pointer.
6675
6676 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
6677
6678         * graphite.c (dot_all_scops, dot_all_scops_1): New.
6679         (find_transform): Call dot_all_1.
6680         * graphite.h (dot_all_scops): Declared.
6681
6682 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
6683
6684         * tree-loop-distribution.c: Fix apsi.f ICE.
6685         (create_bb_after_loop): New.
6686         (generate_loops_for_partition): Use it.
6687         * gfortran.dg/ldist-1.f90: New.
6688
6689         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
6690         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
6691
6692 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6693
6694         * graphite.c (find_transform): Dump cloog program sent to cloog.
6695
6696 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6697
6698         * graphite.c (initialize_cloog_names): Initialize cloog
6699         iterator names.
6700
6701 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6702
6703         * graphite.c (build_scop_context): Fix typo, for the matrix
6704         format: insert '0 >= 0' instead of '-1 >= 0'.
6705
6706 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6707
6708         * Fix merge problems.
6709
6710 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6711
6712         * graphite.c (setup_cloog_loop): Fix typo.
6713
6714 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6715
6716         * doc/invoke.texi (-ftree-loop-distribution): Documented.
6717         * tree-loop-distribution.c: Reimplemented.
6718         * tree-pass.h (pass_loop_distribution): New.
6719         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
6720         print_loops.
6721         * graphds.h (struct graph): New field indexes.
6722         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6723
6724         * tree-vect-analyze.c: Remove declaration of static functions when not
6725         needed.
6726         * tree-vectorizer.c: Same.
6727         (rename_variables_in_loop): Now extern.
6728         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
6729         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
6730         calling redirect_edge_and_branch_force.
6731
6732         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6733
6734         * tree-data-ref.c: Don't include tree-chrec.h.
6735         (debug_data_dependence_relations): New.
6736         (dump_data_dependence_relation): Call dump_data_reference on data refs
6737         in the relation.
6738         (same_access_functions): Moved...
6739         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6740         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6741         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6742         struct rdg_vertex_info, ): New.
6743         (create_rdg_edge_for_ddr): Compute the dependence level before looking
6744         at DDR_REVERSED_P.
6745         (create_rdg_vertices): Initialize the htab of graph->indexes.
6746         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
6747         (stmts_from_loop): Don't save LABEL_EXPR.
6748         (hash_stmt_vertex_info, eq_stmt_vertex_info,
6749         hash_stmt_vertex_del): New.
6750         (build_rdg): Initialize rdg->indexes.
6751         (free_rdg, stores_from_loop, ref_base_address,
6752         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6753         have_similar_memory_accesses_1, ref_base_address_1,
6754         remove_similar_memory_refs): New.
6755
6756         * tree-data-ref.h: Include tree-chrec.h.
6757         (debug_data_dependence_relations): Declared.
6758         (same_access_functions): ...here.  Now static inline.
6759         (ddr_is_anti_dependent, ddrs_have_anti_deps,
6760         ddr_dependence_level): New.
6761         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
6762         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
6763         RDG_MEM_READS_STMT): New.
6764         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6765         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6766         rdg_vertex_for_stmt): Declared.
6767         (struct rdg_edge): New field level.
6768         (RDGE_LEVEL, free_rdg): New.
6769         (stores_from_loop, remove_similar_memory_refs,
6770         rdg_defs_used_in_other_loops_p,
6771         have_similar_memory_accesses): Declared.
6772         (rdg_has_similar_memory_accesses): New.
6773
6774         * lambda.h (dependence_level): New.
6775         * common.opt (ftree-loop-distribution): New.
6776         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
6777         (print_loop_ir): Renamed print_loops.
6778         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
6779         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
6780         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
6781         (tree-loop-distribution.o): Added.
6782         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6783         (mark_virtual_ops_in_bb): New.
6784         (print_loops_bb, debug_loop_num, debug_loop): New.
6785         * passes.c: Scheduled pass_loop_distribution.
6786
6787 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6788
6789         * graphite.c (scan_tree_for_params): Correct the number of columns
6790         for polylib format.
6791         (nb_flat_iterator): New.
6792         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
6793         (build_scop_iteration_domain): Correct the number of columns for
6794         polylib format.
6795
6796 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6797
6798         * Merge from mainline (129697:130800).
6799
6800 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
6801
6802         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
6803         dominated by SCoP's exit.
6804         (graphite_transform_loops): Compute post dominators.
6805
6806 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6807
6808         * Merge from mainline (127169:129697).
6809
6810 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6811
6812         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
6813         parameter for the basic block that contains the expression.  Use
6814         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
6815         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
6816         the expression.
6817         * graphite.h (gbb_loop): New.
6818         (GBB_LOOP): Removed.
6819
6820 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6821
6822         * Makefile.in: Fix merge problem.
6823
6824 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6825
6826         * Merge from mainline (125309:127169).
6827         * tree-loop-distribution.c: Disabled.
6828
6829 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
6830
6831         * Merge from mainline (r123693:125309).
6832
6833 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
6834
6835         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
6836         correct_modify_p
6837         (correct_modify_p, check_statements, number_of_lvalue_uses,
6838         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
6839         instead of MODIFY_EXPR.
6840         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
6841         and push new edges.
6842
6843 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
6844
6845         * tree-loop-distribution.c (struct rdg): Replace arrays by
6846         VECs for edges and vertices.
6847         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
6848         (RDGV_NB_PARTITIONS): New.
6849         (PRDG_NBV, PRDG_NBE): Removed.
6850         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
6851         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
6852         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
6853
6854 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
6855             Sebastian Pop  <sebpop@gmail.com>
6856
6857         * doc/invoke.texi (-ftree-loop-distribution): Document.
6858         * tree-loop-distribution.c: New file.
6859         * tree-pass.h (pass_loop_distribution): Declared.
6860         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6861         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
6862         and set reversed_p.
6863         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
6864         (DDR_REVERSED_P): New.
6865         * common.opt (-ftree-loop-distribution): New.
6866         * tree-flow.h (distribute_loops): Declared.
6867         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
6868         * passes.c (init_optimization_passes): Schedule loop distribution.
6869
6870 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
6871
6872         * graphite.c (print_graphite_bb): Don't call dump_data_references.
6873         (print_scop): Don't print when scop is NULL.
6874         (build_scop_context, find_transform): Don't output to stderr.
6875
6876 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
6877
6878         * tree-data-ref.c: Don't include graphite.h.
6879         Comment out the code for printing data reference's scop.
6880         (build_access_matrix_with_af): Moved...
6881         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
6882         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
6883         (print_graphite_bb): Print basic block's schedule.
6884         (print_scop): Don't print the schedule, call cloog's pretty printer.
6885         (bb_in_scop_p): A basic block is in a scop only if it is both
6886         dominated and postdominated by the scop's entry and exit basic blocks.
6887         (function_parameter_p): New.
6888         (invariant_in_scop_p): Use function_parameter_p.
6889         (new_scop, save_scop): New.
6890         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
6891         save_scop.
6892         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
6893         (loop_in_scop_p): New.
6894         (scop_record_loop): Use loop_in_scop_p.
6895         (build_scop_domain): Renamed build_scop_iteration_domain.
6896         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
6897         nb_params_in_scop, build_scop_context, first_loop_in_scop,
6898         setup_cloog_loop, dot_scop_1, dot_scop): New.
6899         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
6900         (struct scop): Add a pointer to cloog's representation of a program.
6901
6902 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6903
6904         * doc/invoke.texi (-ftree-check-verbose): Renamed
6905         -ftree-checks-verbose.
6906         * common.opt (flag_tree_check_verbose): Renamed
6907         flag_tree_checks_verbose.
6908         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
6909
6910 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6911
6912         * configure: Regenerated.
6913         * config.in: Regenerated.
6914         * tree-ssa-loop.c (graphite_transforms): Execute
6915         graphite_transform_loops only when HAVE_cloog.
6916         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
6917         * graphite.c: Include polylibgmp.h and cloog.h.
6918         (graphite_transform_loops): Removed loops parameter.
6919         * tree-flow.h (graphite_transform_loops): Update declaration.
6920         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
6921         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
6922         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
6923         (OBJS-common): Remove dependence on graphite.o.
6924         (BACKEND): Depend on @GRAPHITE@.
6925
6926 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
6927
6928         * doc/invoke.texi (-ftree-check-verbose): Documented.
6929         * gcc.dg/tree-checker/tree-checks-1.c: New.
6930         * gcc.dg/tree-checker/tree-checks-2.c: New.
6931         * gcc.dg/tree-checker/tree-checks-3.c: New.
6932         * gcc.dg/tree-checker/tree-checks-4.c: New.
6933         * gcc.dg/tree-checker/tree-checks.exp: New.
6934         * gcc.dg/tree-checker/condates.crp: New.
6935         * common.opt (ftree-checks-verbose): New.
6936         * tree-check.c (tree_check_warning): Move extra stderr output
6937         under control of flag_tree_check_verbose.
6938
6939 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
6940
6941         * tree-match.c: Fix comments formatting.
6942         * tree-match.h: Fix comments formatting.
6943         * tree-check.c: Fix comments formatting.
6944         (tree_check_init): Restructure.
6945
6946 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
6947
6948         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
6949
6950 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
6951
6952         * Merge from mainline (r120733:123693).
6953
6954 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
6955
6956         * condate.y: New file.
6957         * tree-match.h (struct patt_info_s): New field sign.
6958         (struct condate_s): New field msg.
6959         (normalize_condate, name_condate, add_condate): New.
6960         (conds[], condate_parse): Made extern.
6961         * tree-check.c (tree_check_warning): First arg changed to cond;
6962         warning reformatted.
6963         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
6964         (tree_scan): New.
6965         (tree_check): Process trivial condates.
6966         (read_delimited_string): Removed.
6967         (print_cond): Print name and msg.
6968         (conds[]): Made extern.
6969         (parse_tree_check_file_once): Rewritten to use the parser in
6970         condate.y.
6971         Processing of option --tree_check_string moved to tree_scan().
6972         * Makefile.in: Added condate.y
6973
6974 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
6975
6976         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
6977         Use VECs instead of varrays.
6978         * diagnostic.h (lazy_dump_generic_node): Update declaration.
6979         * Makefile.in (pretty-print.o): Depend on vec.h.
6980         * pretty-print.c: Include tree.h and vec.h.
6981         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
6982         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
6983         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
6984         pp_free_list): Use VECs instead of varrays.
6985         * pretty-print.h: Do not include varray.h.
6986         (struct tree_chunk_s): Declaration moved before its use.
6987         (output_buffer): Rename varray field to chunks.
6988         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
6989         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
6990         save_global_holes): Use VECs instead of varrays.
6991         * tree-match.h: Declare VECs of cfg_node, and hole_p.
6992         * tree-check.c (scan_cfg_stmts, push_node,
6993         print_matching_stmt): Removed.
6994         (tree_check_instance, push_global_holes_if_new, tree_check,
6995         execute_tree_check): Use VECs instead of varrays.
6996         (gate_tree_check): Don't execute the CFG check when basic_block_info
6997         is not available.
6998
6999 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7000
7001         * Merge from mainline (r115016:120733).
7002
7003 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7004
7005         * Merge from mainline (r117632:117661).
7006
7007 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7008
7009         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
7010         * tree-pass.h (TDF_DEBUG, debug_p): New.
7011         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
7012         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
7013         get_loop_exit_condition, analyze_evolution_in_loop,
7014         analyze_initial_condition, analyze_scalar_evolution,
7015         instantiate_parameters, number_of_latch_executions): Use debug_p.
7016         * tree-chrec.c (chrec_apply): Use debug_p.
7017         * tree-data-ref.c: Include graphite.h.
7018         (dump_data_reference): Print also the access matrix.
7019         (analyze_array, analyze_indirect_ref, init_data_ref,
7020         analyze_offset_expr, address_analysis, object_analysis,
7021         create_data_ref, finalize_ddr_dependent,
7022         non_affine_dependence_relation, analyze_ziv_subscript,
7023         analyze_siv_subscript_cst_affine,
7024         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7025         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
7026         analyze_miv_subscript, analyze_overlapping_iterations,
7027         build_classic_dist_vector, subscript_dependence_tester,
7028         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
7029         (build_access_matrix_with_af): No longer static.
7030         * tree-data-ref.h (scop_p): ... declaration here.
7031         (data_reference.scop): New field.
7032         (DR_SCOP, DR_ACCESS_MATRIX): New.
7033         (build_access_matrix_with_af, dr_num_subscripts): Declared.
7034         * graphite.c (print_graphite_bb): Call dump_data_references.
7035         (print_scop): Use scop_nb_loops and scop_dim_domain.
7036         (test_for_scop_bound): Use debug_p.
7037         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
7038         scop_nb_params.
7039         (scop_loop_index): Moved...
7040         (scop_record_loop): New.
7041         (build_scop_loop_nests): Use scop_record_loop.
7042         (build_scop_domain): Use scop_dim_domain.
7043         (build_access_matrix): Implemented.
7044         (build_scop_canonical_schedules): Use scop_nb_loops.
7045         (build_graphite_bb): Initialize GBB_SCOP.
7046         * graphite.h (scop_p): Moved...
7047         (graphite_bb.scop): New field.
7048         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
7049         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
7050         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
7051         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
7052         scop_loop_index): New.
7053         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
7054
7055 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
7056
7057         * Merge from mainline (r117661:120450).
7058
7059 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
7060
7061         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
7062         at the first declaration outside the varying loop, instantiate as
7063         far as possible.
7064         * tree-chrec.c (for_each_scev_op): New.
7065         * tree-chrec.h (for_each_scev_op): Declared.
7066         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
7067         * tree-data-ref.c (get_references_in_stmt,
7068         find_data_references_in_stmt): New, from trunk.
7069         (find_data_references_in_loop): Use get_references_in_stmt
7070         and find_data_references_in_loop, modified as in trunk.
7071         (build_access_matrix_with_af): New.
7072         * tree-data-ref.h (data_reference): Add a field access_matrix.
7073         (data_ref_loc): New, as in trunk.
7074         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
7075         invariant_in_scop_p, param_index, scan_tree_for_params,
7076         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
7077         idx_record_param, idx_record_params, build_access_matrix,
7078         build_scop_data_accesses, build_scop_canonical_schedules,
7079         build_graphite_bb, build_scop_bbs, find_params_in_bb,
7080         build_scop_params): New.
7081         * graphite.h (graphite_bb): New.
7082         (scop): Add fields static_schedule, params, loop_nest,
7083         iteration_domain.
7084         * lambda.h: Declare vecs of lambda_matrix.
7085         * tree-flow.h (print_loop_ir_bb): Declared.
7086         * tree-cfg.c (print_loop_ir_bb): New.
7087         (print_loop): Use print_loop_ir_bb.
7088
7089 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
7090
7091         * Merge from mainline (r115016:117632).
7092
7093 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
7094
7095         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
7096         break due to a warning.
7097
7098 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
7099
7100         * graphite.c (print_scops, debug_scops): New.
7101         (graphite_transform): Renamed graphite_find_transform.
7102         * graphite.h (debug_scops): Declared.
7103
7104 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
7105
7106         * tree-match.c: Reformat following the GNU style.
7107         * tree-match.h: Reformat following the GNU style.
7108         * tree-pattern.h: Removed empty file.
7109         * Makefile.in: Remove references to tree-pattern.h.
7110         * tree-check.c: Reformat following the GNU style.
7111         (execute_tree_check): Move gate condition code to...
7112         (gate_tree_check): ...here.  New function.
7113         (pass_check): Use the gate function.
7114
7115 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
7116
7117         * tree-pattern.h: New. Tree pattern matching and checking using
7118         concrete syntax.
7119         * tree-check.c: New. Tree/CFG checking pass.
7120         * tree-match.c: New. Library for tree pattern matching.
7121         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
7122         * toplev.c, flags.h: Add globals for tree-check pass.
7123         * Makefile.in: Integrate the files in tree-check pass.
7124         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
7125         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
7126         Introduce a "lazy" pretty-print mode.
7127         * tree.c, tree.h: Add tree_name.
7128
7129 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
7130
7131         * doc/invoke.texi (-fgraphite): Correct typo.
7132         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
7133         use of print_loop_ir.
7134         * gcc.dg/graphite/scop-1.c: New.
7135         * gcc.dg/graphite/scop-2.c: New.
7136         * gcc.dg/graphite/graphite.exp: New.
7137         * graphite.c: Include domwalk.h.
7138         (print_scop): Print only the entry and exit blocks.
7139         (debug_scop): No longer static.
7140         (affine_expr): Fix formating.  Return also true when the expression is
7141         constant.
7142         (stmt_simple_for_scop_p): Fix formating.
7143         (build_scops): Use domwalk.
7144         (get_loop_start, end_scop, test_for_scop_bound): New.
7145         (graphite_transform_loops): Avoid printing on stderr.
7146         * graphite.h (debug_scop): Declared.
7147         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
7148         * Makefile.in (graphite.o): Depend on domwalk.h.
7149         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
7150         declarations for static functions.
7151         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
7152         controlling output verbosity.
7153
7154 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
7155             Plesco Alexandru  <shurikx@gmail.com>
7156
7157         * doc/invoke.texi (-fgraphite): Document.
7158         * tree-pass.h (pass_graphite_transforms): Declared.
7159         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
7160         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
7161         (pass_graphite_transforms): Defined.
7162         * tree-data-ref.c (free_data_ref, data_reference): Extern.
7163         * tree-data-ref.h (free_data_ref, data_reference): Declared.
7164         * graphite.c, graphite.h: New.
7165         * common.opt (fgraphite): Declared.
7166         * tree-flow.h (graphite_transform_loops): Declared.
7167         * Makefile.in (OBJS-common): Add graphite.o.
7168         (graphite.o): New rule.
7169         * passes.c (pass_graphite_transforms): Scheduled.
7170