gcc/ChangeLog.graphite

   1 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * tree-ssa-copy.c: Revert this previous change:
   4         (init_copy_prop): Loop closed phi nodes cancontain more than one
   5         argument.
   6         (execute_copy_prop): Revert the previous change: do not call
   7         rewrite_into_loop_closed_ssa.
   8
   9 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
  10             Richard Guenther  <rguenther@suse.de>
  11
  12         PR middle-end/43464
  13         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
  14         contain more than one argument.
  15         (execute_copy_prop): Revert the previous change: do not call
  16         rewrite_into_loop_closed_ssa.
  17
  18         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
  19         * gcc.dg/graphite/id-pr43464-1.c: New.
  20
  21 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
  22
  23         PR middle-end/43464
  24         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
  25         and verify_loop_closed_ssa when copy prop is executed in the LNO.
  26
  27         * gcc.dg/graphite/id-pr43464.c: New.
  28
  29 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
  30
  31         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
  32         in loop->header.
  33         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
  34         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
  35         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
  36         to switch between adding the IV bump in loop->latch or in loop->header.
  37
  38 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
  39
  40         * passes.c (init_optimization_passes): Add pass_copy_prop
  41         after Graphite.
  42
  43 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
  44
  45         * graphite-poly.c (print_scattering_function): Pretty print following
  46         the scoplib format.
  47         (print_pdr): Same.
  48         (print_pbb_domain): Same.
  49         (dump_gbb_cases): Same.
  50         (dump_gbb_conditions): Same.
  51         (print_pdrs): Same.
  52         (print_pbb): Same.
  53         (print_scop_params): Same.
  54         (print_scop_context): Same.
  55         (print_scop): Same.
  56         (print_pbb_body): New.
  57         (lst_indent_to): New.
  58         (print_lst): Start new lines with a #.
  59         * graphite-poly.h (pbb_bb): New.
  60         (pbb_index): Use pbb_bb.
  61         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
  62         disjuncts.
  63         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
  64
  65 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
  66
  67         PR middle-end/43351
  68         * gcc.dg/graphite/id-pr43351.c
  69
  70 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
  71
  72         PR middle-end/43354
  73         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
  74         call insert_out_of_ssa_copy for default definitions.
  75         * gfortran.dg/graphite/id-pr43354.f: New.
  76
  77 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
  78
  79         PR middle-end/43349
  80         * gfortran.dg/graphite/pr43349.f: New.
  81
  82 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
  83
  84         * graphite-clast-to-gimple.c (my_long_long): Defined.
  85         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
  86         * graphite-sese-to-poly.c (my_long_long): Defined.
  87         (scop_ivs_can_be_represented): Use it.
  88
  89 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
  90
  91         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
  92         graphite-max-bbs-per-function, and loop-block-tile-size.
  93         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
  94         with "maximum".
  95         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
  96
  97 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
  98
  99         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
 100         forward declaration.
 101         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
 102         (add_upper_bounds_from_estimated_nit): New.
 103         (build_loop_iteration_domains): Use it.
 104
 105 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 106
 107         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
 108
 109 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 110
 111         PR middle-end/43306
 112         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
 113         should be an INTEGER_CST.  Also handle CASE_CONVERT.
 114         * gcc.dg/graphite/pr43306.c: New.
 115
 116 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 117
 118         * graphite.c (graphite_initialize): To bound the number of bbs per
 119         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
 120         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
 121         * doc/invoke.texi: Document it.
 122
 123 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 124
 125         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
 126         * graphite-sese-to-poly.h (build_poly_scop): Same.
 127
 128 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 129
 130         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
 131         the number of parameters in the scop.  Use as an upper bound
 132         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
 133         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
 134         * doc/invoke.texi: Document it.
 135
 136 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 137
 138         * graphite-sese-to-poly.c (add_param_constraints): Use
 139         lower_bound_in_type and upper_bound_in_type.
 140
 141 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 142
 143         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
 144         instead of unsigned_type_node.
 145
 146 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 147             Reza Yazdani  <reza.yazdani@amd.com>
 148
 149         PR middle-end/43065
 150         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
 151         on pointer type parameters.
 152
 153         * gcc.dg/graphite/run-id-4.c: New.
 154
 155 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 156
 157         PR middle-end/43065
 158         * gcc.dg/graphite/run-id-3.c: New.
 159
 160 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
 161             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 162
 163         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
 164         handle conversions from pointer to integers.
 165         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
 166         induction variable, to be able to work with code generated by CLooG.
 167         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
 168         (build_poly_scop): Bail out if we cannot codegen a loop.
 169
 170 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
 171
 172         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
 173         code generation with gloog_error.
 174
 175 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 176
 177         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
 178         Call fold_convert on all the returned values.
 179         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
 180         the type of the resulting expression.
 181
 182 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 183
 184         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
 185         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
 186         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
 187
 188 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 189
 190         * graphite-dependences.c (map_into_dep_poly): Removed.
 191         (dependence_polyhedron_1): Use combine_context_id_scat.
 192
 193 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 194
 195         * graphite-poly.h (struct poly_scattering): Add layout documentation.
 196         (struct poly_bb): Same.
 197         (combine_context_id_scat): New.
 198
 199 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
 200
 201         PR middle-end/42326
 202         * sese.c (name_defined_in_loop_p): Return false for default
 203         definitions.
 204
 205         * gcc.dg/graphite/pr42326.c: New.
 206
 207 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 208
 209         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
 210         and clean up the logic.
 211
 212 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 213
 214         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
 215         early return.
 216
 217 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 218
 219         PR middle-end/43083
 220         * graphite-scop-detection.c (create_single_exit_edge): Move
 221         the call to find_single_exit_edge to....
 222         (create_sese_edges): ...here.  Don't handle multiple edges
 223         exiting the function.
 224         (build_graphite_scops): Don't handle multiple edges
 225         exiting the function.
 226
 227         * gcc.dg/graphite/pr43083.c: New.
 228
 229 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 230
 231         PR middle-end/43097
 232         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
 233         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
 234
 235         * gfortran.dg/graphite/pr43097.f: New.
 236
 237 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 238             Manuel López-Ibáñez  <manu@gcc.gnu.org>
 239
 240         PR middle-end/43140
 241         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
 242
 243 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 244
 245         PR middle-end/43026
 246         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
 247
 248         * g++.dg/graphite/pr43026.C: New.
 249
 250 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
 251
 252         * Merge from mainline (154736:156693).
 253
 254 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
 255
 256         PR middle-end/43012
 257         * gcc.dg/graphite/pr43012.c: New.
 258
 259 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 260
 261         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
 262 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 263
 264         * g++.dg/graphite/pr42930.C: New.
 265
 266 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 267
 268         PR middle-end/42930
 269         * graphite-scop-detection.c (graphite_can_represent_scev): Call
 270         graphite_can_represent_init for MULT_EXPR.
 271
 272 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 273
 274         PR middle-end/42914
 275         PR middle-end/42530
 276         * graphite-sese-to-poly.c (remove_phi): New.
 277         (translate_scalar_reduction_to_array): Call remove_phi.
 278
 279         * gcc.dg/graphite/pr42530.c: New.
 280         * gcc.dg/graphite/pr42914.c: New.
 281
 282 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 283
 284         PR middle-end/42771
 285         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
 286         * graphite-clast-to-gimple.h (gloog): Update declaration.
 287         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
 288         * graphite-poly.h (struct poly_bb): Add missing comments.
 289         (struct scop): Add poly_scop_p field.
 290         (POLY_SCOP_P): New.
 291         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
 292         * graphite.c (graphite_transform_loops): Build the polyhedral
 293         representation for each scop before code generation.
 294         * sese.c (rename_variables_in_operand): Removed.
 295         (rename_variables_in_expr): Return the renamed expression.
 296         (rename_sese_parameters): New.
 297         * sese.h (rename_sese_parameters): Declared.
 298
 299         * gcc.dg/graphite/pr42771.c: New.
 300
 301 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 302
 303         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
 304         return 0 from main.
 305         * gcc.dg/graphite/block-1.c: Same.
 306         * gcc.dg/graphite/block-3.c: Same.
 307         * gcc.dg/graphite/block-4.c: Same.
 308         * gcc.dg/graphite/block-5.c: Same.
 309         * gcc.dg/graphite/block-6.c: Same.
 310         * gcc.dg/graphite/block-7.c: Same.
 311         * gcc.dg/graphite/interchange-0.c: Same.
 312         * gcc.dg/graphite/interchange-1.c: Same.
 313         * gcc.dg/graphite/interchange-10.c: Same.
 314         * gcc.dg/graphite/interchange-11.c: Same.
 315         * gcc.dg/graphite/interchange-12.c: Same.
 316         * gcc.dg/graphite/interchange-2.c: Same.
 317         * gcc.dg/graphite/interchange-3.c: Same.
 318         * gcc.dg/graphite/interchange-4.c: Same.
 319         * gcc.dg/graphite/interchange-5.c: Same.
 320         * gcc.dg/graphite/interchange-6.c: Same.
 321         * gcc.dg/graphite/interchange-7.c: Same.
 322         * gcc.dg/graphite/interchange-8.c: Same.
 323         * gcc.dg/graphite/interchange-9.c: Same.
 324         * gcc.dg/graphite/interchange-mvt.c: Same.
 325
 326 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 327
 328         * gfortran.dg/graphite/id-19.f: New.
 329         * gfortran.dg/graphite/pr14741.f90: New.
 330         * gfortran.dg/graphite/pr41924.f90: New.
 331         * gfortran.dg/graphite/run-id-2.f90: New.
 332
 333 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 334
 335         PR middle-end/42988
 336         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
 337         to unknown_dependence.
 338         (graphite_legal_transform_dr): Handle the unknown_dependence.
 339         (graphite_carried_dependence_level_k): Same.
 340
 341 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 342
 343         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
 344
 345 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
 346             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 347
 348         PR middle-end/42637
 349         * graphite-dependences.c (build_lexicographical_constraint): Return
 350         a union of dependence polyhedra.
 351         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
 352
 353         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
 354         * gcc.dg/graphite/block-4.c: Same.
 355         * gcc.dg/graphite/block-7.c: Same.
 356         * gcc.dg/graphite/interchange-12.c: Same.
 357         * gcc.dg/graphite/interchange-mvt.c: Same.
 358         * gfortran.dg/graphite/interchange-1.f: XFAILed.
 359         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
 360         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
 361
 362 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 363
 364         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
 365         the execution check to FAIL.  This testcase is miscompiled by Graphite
 366         and the check should be re-enabled.
 367         * gcc.dg/graphite/interchange-mvt.c: Same.
 368         * gcc.dg/graphite/block-0.c: Same.
 369         * gcc.dg/graphite/block-4.c: Same.
 370         * gcc.dg/graphite/block-7.c: Same.
 371
 372 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 373
 374         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
 375         * gcc.dg/graphite/scop-0.c: Fix spaces.
 376         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
 377         * gfortran.dg/graphite/block-2.f: Same.
 378         * gfortran.dg/graphite/block-3.f90: Same.
 379         * gfortran.dg/graphite/block-4.f90: Same.
 380         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
 381         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
 382
 383 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 384
 385         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
 386         PDDR_ORIGINAL_SCATTERING_P.
 387         (pddr_is_empty): Rewritten.
 388         (print_dependence_polyhedron_layout): New.
 389         (print_pddr): New.
 390         (debug_pddr): New.
 391         (build_alias_set_powerset): Moved up.
 392         (poly_drs_may_alias_p): Moved up.
 393         (lexicographically_gt_p): Removed.
 394         (build_lexicographically_gt_constraint): Renamed
 395         build_lexicographical_constraint, reimplemented.
 396         (dependence_polyhedron_1): Simplified parameters.
 397         (dependence_polyhedron): Same.  Keep along empty PDDRs
 398         to make efficient use of the cache.
 399         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
 400         (graphite_legal_transform_dr): Rewritten.
 401         (graphite_legal_transform_bb): Pass fewer arguments to
 402         graphite_legal_transform_dr.
 403         (graphite_carried_dependence_level_k): Simplified implementation.
 404         (dot_original_deps_stmt_1): Call dependence_polyhedron.
 405         (dot_transformed_deps_stmt_1): Same.
 406         (dot_original_deps): Same.
 407         (dot_transformed_deps): Same.
 408         * graphite-dependences.h (struct poly_ddr): Added a new field
 409         original_scattering_p.
 410         (PDDR_ORIGINAL_SCATTERING_P): New.
 411         (print_pddr): Declared.
 412         (debug_pddr): Declared.
 413         * graphite-ppl.c: Clarify comment.
 414         * sese.h (print_gimple_bb): Removed unused declaration.
 415         (debug_gbb): Same.
 416
 417 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 418
 419         * g++.dg/graphite/graphite.exp: Rewritten.
 420         * gcc.dg/graphite/graphite.exp: Rewritten.
 421         * gfortran.dg/graphite/graphite.exp: Rewritten.
 422         * gcc.dg/graphite/block-0.c: Added runtime test.
 423         * gcc.dg/graphite/block-1.c: Same.
 424         * gcc.dg/graphite/block-3.c: Same.
 425         * gcc.dg/graphite/block-4.c: Same.
 426         * gcc.dg/graphite/block-5.c: Same.
 427         * gcc.dg/graphite/block-6.c: Same.
 428         * gcc.dg/graphite/block-7.c: Same.
 429         * gcc.dg/graphite/interchange-0.c: Same.
 430         * gcc.dg/graphite/interchange-1.c: Same.
 431         * gcc.dg/graphite/interchange-10.c: Same.
 432         * gcc.dg/graphite/interchange-11.c: Same.
 433         * gcc.dg/graphite/interchange-12.c: Same.
 434         * gcc.dg/graphite/interchange-2.c: Same.
 435         * gcc.dg/graphite/interchange-3.c: Same.
 436         * gcc.dg/graphite/interchange-4.c: Same.
 437         * gcc.dg/graphite/interchange-5.c: Same.
 438         * gcc.dg/graphite/interchange-6.c: Same.
 439         * gcc.dg/graphite/interchange-7.c: Same.
 440         * gcc.dg/graphite/interchange-8.c: Same.
 441         * gcc.dg/graphite/interchange-9.c: Same.
 442         * gcc.dg/graphite/interchange-mvt.c: Same.
 443         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
 444
 445 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 446
 447         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
 448           background.
 449
 450 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 451
 452         * common.opt: Add -fgraphite-cloog-opts.
 453         * graphite-clast-to-gimple.c (set_cloog_options): Same.
 454         * opts.c (decode_options): Same.
 455
 456 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 457
 458         * gcc.dg/graphite/id-17.c: New.
 459         * gcc.dg/graphite/pr41888.c: New.
 460         * gcc.dg/graphite/scop-22.c: New.
 461         * gfortran.dg/graphite/pr40982.f90: New.
 462
 463 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 464
 465         * graphite-dependences.c: Clarify comments.
 466         (build_pddr): Add an extra parameter direction.
 467         (graphite_legal_transform_dr): Use build_pddr.
 468         (dot_original_deps_stmt_1): Update use of build_pddr.
 469         (dot_transformed_deps_stmt_1): Same.
 470         (dot_original_deps): Same.
 471         (dot_transformed_deps): Same.
 472
 473         * gcc.dg/graphite/interchange-12.c: New.
 474         * gcc.dg/graphite/block-7.c: New.
 475
 476 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 477
 478         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
 479         (pddr_transformed_scattering): Removed.
 480         (graphite_legal_transform_dr): Use build_pddr.
 481         (dot_original_deps_stmt_1): Same.
 482         (dot_transformed_deps_stmt_1): Same.
 483         (dot_original_deps): Same.
 484         (dot_transformed_deps): Same.
 485
 486 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 487
 488         * graphite-dependences.c (lexicographically_gt_p): Add comments.
 489         (build_lexicographically_gt_constraint): Same.
 490         (dependence_polyhedron_1): Same.
 491         (dependence_polyhedron): Same.
 492
 493 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 494
 495         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
 496         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
 497         (lexicographically_gt_p): Change type of direction to int.
 498         (build_lexicographically_gt_constraint): Same.
 499         (dependence_polyhedron_1): Same.
 500         (dependence_polyhedron): Same.
 501         (pddr_original_scattering): Use integers for direction.
 502         (pddr_transformed_scattering): Same.
 503         (graphite_legal_transform_dr): Same.
 504         (graphite_carried_dependence_level_k): Same.
 505
 506 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 507
 508         * graphite-dependences.c (build_pairwise_constraint): Renamed
 509         ppl_build_relation.  Moved...
 510         (dr_equality_constraints): Use ppl_build_relation.
 511         (build_pairwise_scheduling_equality): Same.
 512         (build_pairwise_scheduling_inequality): Same.
 513         * graphite-ppl.c (ppl_build_relation): ...here.
 514         * graphite-ppl.h (ppl_build_relation): Declared.
 515
 516 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 517
 518         PR middle-end/42681
 519         * graphite-clast-to-gimple.c (gloog_error): New static variable.
 520         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
 521         Set gloog_error when such an expression failed to be built.
 522         (translate_clast): Early return when gloog_error is set.
 523         (gloog): Clear gloog_error.  When gloog_error is set, call
 524         set_ifsese_condition to enable the original code.  Return the status
 525         of the code generation based on gloog_error.
 526         * sese.c (set_ifsese_condition): New.
 527         * sese.h (set_ifsese_condition): Declared.
 528
 529         * g++.dg/graphite/pr42681.C: New.
 530
 531 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 532
 533         PR middle-end/42732
 534         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
 535         rename_nb_iterations.
 536         * sese.c (rename_variables_in_operand): New.
 537         (rename_variables_in_expr): New.
 538         (rename_nb_iterations): New.
 539         (sese_adjust_liveout_phis): Update the rename_map.
 540         * sese.h (rename_nb_iterations): Declared.
 541         * tree-scalar-evolution.c (scev_reset_htab): New.
 542         (scev_reset): Call scev_reset_htab.
 543         * tree-scalar-evolution.h (scev_reset_htab): Declared.
 544
 545         * gfortran.dg/graphite/pr42732.f: New.
 546
 547 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 548
 549         PR middle-end/42393
 550         * graphite-clast-to-gimple.c: Fix formatting.
 551         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
 552         (expr_defined_in_loop_p): New.
 553         (add_loop_exit_phis): Also handle full expressions: remove from
 554         the rename_map the expressions defined in the loop that we're closing.
 555
 556         * gfortran.dg/graphite/pr42393-1.f90: New.
 557         * gfortran.dg/graphite/pr42393.f90: Add new flags
 558         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
 559         make this testcase useful in the Graphite branch.
 560
 561 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 562
 563         * graphite-scop-detection.c (exclude_component_ref): Removed.
 564         (is_simple_operand): Removed.
 565         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
 566
 567 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 568
 569         PR middle-end/42221
 570         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 571         the array indexing of ADDR_EXPRs.
 572
 573         * gcc.dg/graphite/pr42221.c: New.
 574
 575 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 576
 577         PR middle-end/42521
 578         * graphite.c (graphite_finalize): Call scev_reset.
 579         (graphite_transform_loops): Do not call scev_reset between the code
 580         generation of scops.
 581
 582         * gcc.dg/graphite/pr42521.c: New.
 583
 584 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 585
 586         * graphite-interchange.c (memory_stride_in_loop): Renamed
 587         pdr_stride_in_loop.
 588         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
 589         (memory_strides_in_loop): Memoize the memory strides per loop.
 590         (lst_interchange_profitable_p): Do not initialize to zero the memory
 591         strides.
 592         * graphite-poly.h (struct lst): Add a field memory_strides.
 593         (LST_LOOP_MEMORY_STRIDES): New.
 594         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
 595         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
 596
 597 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 598
 599         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
 600         memory_strides_in_loop.  Gather memory strides on a whole loop.
 601         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
 602         (lst_interchange_profitable_p): Removed.
 603         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
 604
 605 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 606
 607         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 608         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 609         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 610         Remove context_loop and level.
 611
 612 2010-01-07  Richard Guenther  <rguenther@suse.de>
 613
 614         PR tree-optimization/42641
 615         * sese.c (rename_map_elt_info): Use the SSA name version, do
 616         not hash pointers.
 617
 618 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 619
 620         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
 621         blocked" only when both the strip mine and the interchange have
 622         been applied.
 623
 624         * gcc.dg/graphite/block-2.c: Removed.
 625         * gcc.dg/graphite/block-3.c: Add scan pattern.
 626         * gcc.dg/graphite/block-4.c: Same.
 627         * gcc.dg/graphite/block-5.c: Same.
 628         * gcc.dg/graphite/block-6.c: Same.
 629
 630 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 631
 632         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
 633         before allocating a new one.
 634         (copy_renames): Check that slot is not NULL.
 635         (mark_bb_with_pbb): Same.
 636         (compute_cloog_iv_types_1): Same.
 637         * graphite-interchange.c (lst_perfect_nestify): Free the before,
 638         nest, and after LSTs.
 639         (lst_try_interchange_loops): Same.
 640
 641 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
 642
 643         PR middle-end/42178
 644         * graphite-interchange.c (lst_try_interchange_loops): Do not return
 645         the before, nest, and after LSTs.
 646         (lst_try_interchange): Removed.
 647         (lst_interchange_select_inner): Do not iterate over the LSTs if they
 648         were modified.
 649         (lst_interchange_select_outer): Apply interchange on the outer loop
 650         until there are no more changes in the inner loops.
 651
 652 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 653
 654         Revert patch fixing PR middle-end/42221.
 655
 656 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 657
 658         PR middle-end/42180
 659         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
 660         GIMPLE_CALL.
 661
 662         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
 663
 664 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 665
 666         PR middle-end/42180
 667         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
 668         that contain only one statement.
 669
 670         * gfortran.dg/graphite/pr42180.f90: New.
 671
 672 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 673
 674         PR middle-end/42393
 675         * gfortran.dg/graphite/pr42393.f90: New.
 676
 677 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 678
 679         PR middle-end/42186
 680         * gfortran.dg/graphite/pr42186.f90: New.
 681
 682 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 683
 684         PR middle-end/42205
 685         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
 686         Insert the reduction copy in the same block as the phi node.
 687         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
 688
 689         * gcc.dg/graphite/pr42205-1.c: New.
 690         * gcc.dg/graphite/pr42205-2.c: New.
 691
 692 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 693
 694         PR middle-end/42221
 695         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 696         the array indexing of ADDR_EXPRs.
 697
 698         * gcc.dg/graphite/pr42221.c: New.
 699
 700 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 701
 702         PR middle-end/42178
 703         PR middle-end/42334
 704         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
 705         index.  Call lst_interchange_select_inner only once.
 706         (lst_interchange_select_inner): Update use of lst_try_interchange.
 707         (lst_interchange_select_outer): Update.
 708
 709 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 710
 711         PR middle-end/42178
 712         PR middle-end/42334
 713         * graphite-interchange.c (lst_try_interchange): Do not increment the
 714         the OUTER index when there is no AFTER kernel.  Do not increment the
 715         OUTER index for after processing the AFTER kernel.
 716         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
 717         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
 718         index.  Do not pass to lst_interchange_select_inner the OUTER index.
 719         (scop_do_interchange): Update use of lst_interchange_select_outer.
 720
 721         * gfortran.dg/graphite/graphite.exp
 722         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
 723         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
 724         the graphite dump file.
 725         * gfortran.dg/graphite/interchange-2.f: Same.
 726         * gfortran.dg/graphite/pr42334-1.f: New.
 727
 728 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 729
 730         PR middle-end/42178
 731         PR middle-end/42334
 732         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
 733         that are empty.
 734         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
 735         (lst_try_interchange): Reimplemented.
 736         (lst_interchange_select_inner): Same.
 737         (lst_do_interchange): Renamed lst_interchange_select_outer.
 738         Reimplemented.
 739         (scop_do_interchange): Update use of lst_interchange_select_outer.
 740
 741         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
 742         * gcc.dg/graphite/block-0.c: Un-XFAILed.
 743         * gcc.dg/graphite/pr42211.c: New.
 744         * gfortran.dg/graphite/pr42334.f90: New.
 745
 746 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
 747
 748         PR middle-end/42181
 749         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
 750         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
 751
 752         * gfortran.dg/graphite/pr42181.f90: New.
 753
 754 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
 755
 756         PR middle-end/42284
 757         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
 758         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
 759         (detect_commutative_reduction_arg): Simplified.
 760         (detect_commutative_reduction): Early return when the argument of
 761         the close phi is not of an SSA_NAME.
 762
 763         * gcc.dg/graphite/pr42284.c: New.
 764
 765 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
 766
 767         * dbgcnt.def (graphite_scop): New counter.
 768         * graphite.c: Include dbgcnt.h
 769         (graphite_transform_loops): Use new counter to limit transformations.
 770
 771 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
 772
 773         PR middle-end/42285
 774         * graphite-scop-detection.c (graphite_can_represent_init): Also
 775         handle more complex MULT_EXPRs containing parameters by recursion
 776         on the structure.
 777
 778         * gfortran.dg/graphite/pr42285.f90: New.
 779
 780 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
 781
 782         * g++.dg/graphite/pr42130.C: Fix type.
 783
 784 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
 785
 786         * g++.dg/graphite/pr42130.C: Correct testcase.
 787
 788 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
 789
 790         * Merge from mainline (154493:154734).
 791
 792 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
 793
 794         * Merge from mainline (151362:154491).
 795
 796 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 797
 798         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
 799         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
 800
 801 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 802
 803         PR middle-end/42130
 804         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
 805         translate_clast_for_loop): New.
 806         (translate_clast_for): Add a condition around the loop, to do not
 807         execute loops with zero iterations.
 808         * g++.dg/graphite/pr42130.C: New.
 809         * gcc.dg/graphite/pr35356-2.c: Adapt.
 810
 811 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 812
 813         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 814         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 815         Remove context_loop and level.
 816
 817 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 818
 819         * graphite-clast-to-gimple.c (translate_clast_user,
 820         translate_clast_for, translate_clast_guard): Simplify and move common
 821         elements to translate_clast().
 822         (translate_clast): Simplify and get common elements.
 823
 824 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 825
 826         * graphite-clast-to-gimple.c (translate_clast_user,
 827         translate_clast_for, translate_clast_guard): Split out of
 828         translate_clast.
 829
 830 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
 831
 832         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
 833         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
 834         debug_clast_name_indexes_1, debug_clast_name_indexes,
 835         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
 836         (clast_name_to_gcc, clast_to_gcc_expression,
 837         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
 838         gcc_type_for_clast_eq, graphite_translate_clast_equation,
 839         graphite_create_guard_cond_expr, graphite_create_new_loop,
 840         translate_clast): Add params_index.
 841         (initialize_cloog_names): Create parameter strings from scratch, do
 842         not reference other strings.
 843         (create_params_index): New.
 844         (gloog): Initialize params_index.
 845         * graphite-scop-detection (free_scops_1): Removed.
 846         (limit_scops): Use normal free_scops.
 847         * graphite-sese-to-poly.c (save_var_names): Removed.
 848         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
 849         and SESE_PARAMS_INDEX.
 850         * sese.c (new_sese, free_sese): Dito.
 851         * sese.h (struct sese): Remove params_index, params_names.
 852         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
 853
 854 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 855
 856         Revert the following patch from 2009-09-14:
 857         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 858         tree-scalar-evolution.h, and then tree-data-ref.h.
 859         * graphite-clast-to-gimple.c: Same.
 860         * graphite-dependences.c: Same.
 861         * graphite-interchange.c: Same.
 862         * graphite-poly.c: Same.
 863         * graphite-scop-detection.c: Same.
 864         * graphite-sese-to-poly.c: Same.
 865         * graphite.c: Same.
 866         * lambda-code.c: Same.
 867         * matrix-reorg.c: Same.
 868         * tree-data-ref.c: Same.
 869         * tree-if-conv.c: Same.
 870         * tree-loop-distribu: Same.: Same.
 871         * tree-loop-linear.c: Same.
 872         * tree-parloops.c: Same.
 873         * tree-predcom.c: Same.
 874         * tree-vect-patterns.c: Same.
 875
 876 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 877
 878         Revert patch from 2009-09-14.
 879         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
 880         passes at -O1 and below.
 881
 882 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 883
 884         PR middle-end/40281
 885         * gcc.dg/graphite/pr40281.c: New.
 886
 887         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
 888         evolutions should not variate in inner loops.
 889
 890 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 891
 892         PR middle-end/42050
 893         * gfortran.dg/graphite/pr42050.f90: New.
 894
 895 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 896
 897         * graphite-interchange.c (memory_strides_in_loop_depth): New.
 898         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
 899
 900 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 901
 902         * graphite-blocking.c (scop_do_block): New.
 903         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
 904         * graphite-poly.h (scop_do_block): Declared.
 905
 906 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 907
 908         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
 909         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 910         to transform depth into the time_depth before calling
 911         pbb_number_of_iterations_at_time.
 912         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 913         lst_depth.
 914
 915 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 916
 917         Reverted the patch for "scattering permutations" from 2009-10-28.
 918
 919         * graphite-poly.c (print_permutation): New.
 920         (debug_permutation): New.
 921         (new_poly_bb): Initialize PBB_PERMUTATION.
 922         (free_poly_bb): Free PBB_PERMUTATION.
 923         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 924         (struct pbb_permutation_elt): New.
 925         (PBB_PERMUTATION_ELT_STRIDE): New.
 926         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 927         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 928         (new_pbb_permutation_elt): New.
 929         (pbb_permutation_elt_free): New.
 930         (struct poly_bb): Add field permutation.
 931         (PBB_PERMUTATION): New.
 932         (print_permutation): Declared.
 933         (debug_permutation): Declared.
 934
 935 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 936
 937         * graphite-interchange.c (build_partial_difference): New.
 938         (memory_stride_in_loop): Refactored the computation of
 939         equality constraints into build_partial_difference function.
 940         Added support for debugging stride computations.
 941
 942 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 943
 944         * graphite-clast-to-gimple.c (gloog): Free if_region,
 945         if_region->true_region, and if_region->region.
 946         * sese.c (if_region_set_false_region): Free if_region->false_region.
 947         (create_if_region_on_edge): Do not use GGC_NEW.
 948         (move_sese_in_condition): Remove useless initialization.
 949
 950 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 951
 952         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
 953         for the loops created by the loop distribution.  Do not modify the
 954         input LSTs.
 955         (lst_try_interchange_loops): Same.  Use a temporary LST for the
 956         transformed schedule.  Call lst_update_scattering before data
 957         dependence analysis.
 958         (lst_try_interchange): Pass an extra parameter INDEX.
 959         (lst_do_interchange_1): New.
 960         (lst_do_interchange): Call lst_do_interchange_1.
 961         (scop_do_interchange): Call lst_update_scattering.
 962         * graphite-poly.c (apply_poly_transforms): Do not call
 963         lst_update_scattering.
 964         * graphite-poly.h (lst_pred): New.
 965         (lst_succ): New.
 966         (lst_find_first_pbb): Return NULL when not found.
 967         (lst_empty_p): New.
 968         (lst_insert_in_sequence): Allow LST1 to be NULL.
 969         (lst_replace): New.
 970         (lst_substitute_3): New.
 971         * gcc.dg/graphite/interchange-1.c: XFail.
 972         * gcc.dg/graphite/interchange-8.c: XFail.
 973         * gcc.dg/graphite/interchange-11.c: XFail.
 974
 975 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 976
 977         * graphite-interchange.c (lst_perfectly_nested_p): New.
 978         (lst_perfect_nestify): New.
 979         (lst_try_interchange_loops): Call store_lst_schedule,
 980         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
 981         (scop_do_interchange): Avoid redundant legality test.
 982         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
 983         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
 984         * graphite-poly.h (psct_static_dim): New.
 985         (lst_dewey_number_at_depth): New.
 986         (lst_find_pbb): Restructured.
 987         (lst_find_first_pbb): Restructured.
 988         (lst_find_last_pbb): New.
 989         (lst_contains_p): New.
 990         (lst_contains_pbb): New.
 991         (lst_create_nest): New.
 992         (lst_remove_from_sequence): New.
 993         (pbb_update_scattering): New.
 994         (lst_update_scattering_under): New.
 995         (lst_update_scattering_seq): New.
 996         (lst_update_scattering): New.
 997         (lst_insert_in_sequence): New.
 998         (lst_distribute_lst): New.
 999         (lst_remove_all_before_including_pbb): New.
1000         (lst_remove_all_before_excluding_pbb): New.
1001
1002 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1003
1004         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
1005         get_loop_exit_edges.
1006
1007 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1008
1009         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
1010
1011 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1012
1013         * graphite-poly.c (print_permutation): New.
1014         (debug_permutation): New.
1015         (new_poly_bb): Initialize PBB_PERMUTATION.
1016         (free_poly_bb): Free PBB_PERMUTATION.
1017         * graphite-poly.h (pbb_permutation_elt_p): Declared.
1018         (struct pbb_permutation_elt): New.
1019         (PBB_PERMUTATION_ELT_STRIDE): New.
1020         (PBB_PERMUTATION_ELT_STRIDED_P): New.
1021         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
1022         (new_pbb_permutation_elt): New.
1023         (pbb_permutation_elt_free): New.
1024         (struct poly_bb): Add field permutation.
1025         (PBB_PERMUTATION): New.
1026         (print_permutation): Declared.
1027         (debug_permutation): Declared.
1028
1029 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1030
1031         * graphite-clast-to-gimple.c (gloog): Do not call
1032         sese_reset_aux_in_loops.
1033         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
1034         extra argument for domains.  Do not use loop->aux.
1035         (build_scop_iteration_domain): Initialize and free domains, pass it
1036         to build_loop_iteration_domains and extract the information from
1037         domains.  Do not use loop->aux.
1038         * sese.c (sese_reset_aux_in_loops): Removed.
1039         * sese.h (sese_reset_aux_in_loops): Removed.
1040
1041 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1042
1043         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
1044         (dependency_in_loop_p): Same.
1045         (translate_clast): Do not use loop->aux.  Initialize
1046         loop->can_be_parallel.
1047         (mark_loops_parallel): Removed.
1048         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
1049         * graphite.c (free_aux_in_new_loops): Removed.
1050         (graphite_finalize): Do not call free_aux_in_new_loops.
1051         (graphite_transform_loops): Do not call mark_loops_parallel.
1052
1053 2009-10-26  Li Feng  <nemokingdom@gmail.com>
1054
1055         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
1056         (translate_clast): Pass an extra parameter LEVEL.
1057         Call get_scattering_level.
1058         * graphite-clast-to-gimple.h (get_scattering_level): New.
1059
1060 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1061
1062         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
1063         * cfgloop.h (struct loop): New field single_iv.
1064
1065         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
1066         loop->aux anymore: use loop->single_iv.
1067         (graphite_loop_normal_form): Moved...
1068         (build_graphite_loop_normal_form): Removed.
1069         (gloog): Do not call build_graphite_loop_normal_form.
1070         (free_aux_in_new_loops): Moved...
1071         (mark_loops_parallel): Restructure.
1072         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
1073         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
1074         (scop_canonicalize_loops): New.
1075         (build_poly_scop): Call scop_canonicalize_loops.
1076         * graphite.c (free_aux_in_new_loops): ...here.
1077
1078 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1079
1080         * g++.dg/graphite/graphite.exp: Add the same rules as in
1081         gcc.dg/graphite/graphite.exp.
1082
1083 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1084
1085         * g++.dg/graphite/id-1.C: New.
1086
1087 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1088
1089         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
1090         argument base_name.
1091         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
1092         (rewrite_phi_out_of_ssa): Same.
1093         (rewrite_cross_bb_scalar_deps): Same.
1094         (translate_scalar_reduction_to_array): Same.
1095
1096 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1097
1098         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
1099         dump_alias_graphs.
1100
1101 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1102
1103         * graphite-sese-to-poly.c (dump_alias_graphs): New.
1104         (build_scop_drs): Call dump_alias_graphs.
1105
1106 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1107
1108         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
1109         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1110         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
1111         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1112         * graphite-poly.h (free_lst): New.
1113         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
1114         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
1115
1116 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1117
1118         * graphite-poly.h (struct scop): Add a field saved_schedule.
1119         (SCOP_SAVED_SCHEDULE): New.
1120         (store_lst_schedule): New.
1121         (restore_lst_schedule): New.
1122         (store_scattering): Call store_lst_schedule.
1123         (restore_scattering): Call restore_lst_schedule.
1124
1125 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1126
1127         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
1128         (pdr_add_alias_set): Same.
1129         (build_poly_dr): Same.
1130         (build_alias_set_optimal_p): Same.
1131         (build_base_obj_set_for_drs): Same.  Do not store the result of
1132         graphds_dfs.
1133
1134 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1135
1136         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
1137         all_components_are_cliques to 1.
1138
1139 2009-10-20  Li Feng  <nemokingdom@gmail.com>
1140
1141         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
1142         the new structure.
1143         (pdr_add_alias_set): Update retrieving alias_set_num.
1144         (build_poly_dr): Update retrieving dr_base_object_set.
1145         (partition_drs_to_sets): Remove.
1146         (build_alias_set_optimal_p): New.
1147         (build_alias_set_for_drs): Rename.
1148         (build_scop_drs): Update.
1149         * graphite-sese-to-poly.h (struct base_alias_pair): New.
1150         (ALIAS_SET_INDEX): Remove.
1151         (BASE_OBJECT_SET_INDEX): Remove.
1152
1153 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1154
1155         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
1156
1157 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1158
1159         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
1160         loop upper bounds for 1-element arrays at end of structures.
1161         * tree-flow.h (array_at_struct_end_p): Declared.
1162         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
1163
1164 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1165
1166         * g++.dg/graphite/pr41305.C: New.
1167
1168 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
1169
1170         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
1171         construction of parameter constraints from loop iteration analysis.
1172         * gcc.dg/graphite/run-id-2.c: New test.
1173
1174 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1175
1176         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
1177         and new_cstr.
1178
1179 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1180
1181         * graphite-dependences.c (dependence_polyhedron_1): Remove
1182         unused gdim dimensions from the DDR polyhedron.
1183
1184 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1185
1186         * graphite-dependences.c (pddr_transformed_scattering): New.
1187         (dot_original_deps_stmt_1): New.
1188         (dot_transformed_deps_stmt_1): New.
1189         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
1190         dot_transformed_deps_stmt_1.
1191         (dot_original_deps): New.
1192         (dot_transformed_deps): New.
1193         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
1194
1195 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1196
1197         * graphite-dependences.c (reduction_dr_1): Remove wrong
1198         assert: reduction BBs can have multiple reduction writes
1199         to memory.  interchange-3.f90 is an example.
1200
1201 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1202
1203         * gfortran.dg/graphite/interchange-3.f90: New.
1204
1205 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1206
1207         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
1208
1209 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1210
1211         * graphite-dependences.c (dependence_polyhedron_1): Add the
1212         context to the dependence polyhedron.
1213
1214 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1215
1216         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
1217         PBB_PDR_DUPLICATES_REMOVED.
1218         (new_poly_bb): Same.
1219
1220 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1221
1222         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
1223         SCOP_CONTEXT.
1224         (build_loop_iteration_domains): Extract bounds on parameters
1225         based on the data size.
1226         (build_scop_context): Do not initialize SCOP_CONTEXT;
1227         add new constraints.
1228
1229 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1230
1231         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
1232         * graphite-ppl.h (graphite-ppl.h): Declared.
1233
1234 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1235
1236         * graphite-ppl.c (ppl_print_linear_expr): New.
1237         (debug_ppl_linear_expr): New.
1238         * graphite-ppl.h (ppl_print_linear_expr): Declared.
1239         (debug_ppl_linear_expr): Declared.
1240
1241 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1242
1243         * graphite-interchange.c: Fix comments.
1244         * gcc.dg/graphite/block-1.c: Fix comments.
1245
1246 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1247
1248         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
1249         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
1250
1251 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1252
1253         Reapply the patch from Alexander Monakov that disappeared during
1254         the last merges from trunk.
1255
1256         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1257
1258         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1259         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1260
1261 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1262
1263         * graphite-interchange.c (memory_stride_in_loop): The depth
1264         argument corresponds to a dynamic time dimension, so use
1265         psct_dynamic_dim to refer to the transformed scattering dimension.
1266
1267 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1268
1269         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
1270
1271 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1272
1273         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
1274         root of the LST.
1275         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
1276         the root of the LST.
1277         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
1278         fake loop.
1279         (print_lst): Print the root of LST in a different format.
1280         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
1281
1282 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1283
1284         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
1285
1286 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1287
1288         * doc/passes.texi: Document the Graphite infrastructure.
1289
1290 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1291
1292         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
1293         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
1294         and check the SSA representation.
1295
1296         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
1297
1298 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1299
1300         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
1301
1302 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1303
1304         * gcc.dg/graphite/interchange-11.c: New.
1305
1306 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1307
1308         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
1309
1310 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1311
1312         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1313         Add -fno-loop-strip-mine and -fno-loop-interchange.
1314         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
1315         -fno-loop-strip-mine.
1316         * gfortran.dg/graphite/graphite.exp: Same.
1317
1318 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1319
1320         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1321         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
1322         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
1323         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
1324         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
1325         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
1326         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
1327         DEFAULT_FLAGS_GRAPHITE_SCOP.
1328         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
1329         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
1330
1331 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1332
1333         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
1334
1335 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1336             Sebastian Pop  <sebastian.pop@amd.com>
1337
1338         * graphite-interchange.c (build_linearized_memory_access): Pass an
1339         offset as parameter.
1340         (memory_stride_in_loop): Include transform scattering in the
1341         access functions to be able to querry the strides in the
1342         transformed loops.
1343         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
1344         not the psct_iterator_dim.
1345
1346 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1347
1348         * graphite-blocking.c (pbb_do_strip_mine): Removed.
1349         (lst_do_strip_mine_loop): New.
1350         (lst_do_strip_mine): New.
1351         (scop_do_strip_mine): Call lst_do_strip_mine.
1352         * graphite-poly.h (lst_add_loop_under_loop): New.
1353         (lst_find_first_pbb): New.
1354
1355 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1356
1357         * graphite-poly.c (loop_to_lst): Fix LST creation.
1358
1359 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1360
1361         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
1362         sizeof(unsigned long) to make it run on 32bit systems.
1363
1364 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1365
1366         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
1367         SEGFAULT on 32bit.
1368
1369 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1370
1371         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
1372         Comment.
1373         (write_alias_graph_to_ascii_dot): New.
1374         (write_alias_graph_to_ascii_ecc): Ditto.
1375         (partition_drs_to_sets): Add testing of optimality of current method
1376         which assigns alias numbers according to DFS Comopnent number.  used
1377         as heuristic for the upcoming ECC algorithm.
1378         (build_scop_drs): Write to file also with the ecc and dot format.
1379
1380 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1381
1382         * gfortran.dg/graphite/interchange-1.f: XFail.
1383
1384 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1385
1386         * graphite.c (graphite_initialize): Do not handle functions with
1387         more than 100 basic blocks.
1388
1389 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1390
1391         * graphite-blocking.c (pbb_do_strip_mine): Use
1392         PARAM_LOOP_BLOCK_TILE_SIZE.
1393
1394 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1395
1396         * graphite-poly.c (dot_lst_1): New.
1397         (dot_lst): New.
1398         * graphite-poly.h (dot_lst): Declared.
1399
1400 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1401
1402         * graphite-dependences.c (dot_deps_stmt_1): New.
1403         (dot_deps_stmt): New.
1404         * graphite-dependences.h (dot_deps_stmt): Declared.
1405
1406 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1407
1408         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
1409         not replace cross BB scalar dependences ending on PHI nodes.
1410         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
1411
1412 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1413
1414         * graphite-poly.c (apply_poly_transforms): Implement the high
1415         level driver for flag_loop_block.
1416         * opts.c (decode_options): Enable flag_loop_block at -O2.
1417         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
1418         flag_loop_block.
1419
1420         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
1421         -floop-block.
1422         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1423         Add -floop-block.
1424
1425 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1426
1427         * graphite-poly.h (lst_find_pbb): New.
1428         (find_lst_loop): New.
1429
1430 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1431
1432         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
1433         * graphite-poly.h (struct scop): Remove dep_graph field.
1434         (SCOP_DEP_GRAPH): Removed.
1435
1436 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1437
1438         * graphite-poly.h (copy_lst): Do full copy of LST.
1439
1440 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
1441
1442         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
1443         when the loop stride is zero.
1444
1445         * gcc.dg/graphite/id-16.c: New.
1446
1447 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1448
1449         * graphite-dependences.c (reduction_dr_1): New.
1450         (reduction_dr_p): New.
1451         (graphite_legal_transform_dr): Call reduction_dr_p.
1452         (reduction_ddr): Renamed reduction_ddr_p.
1453         * graphite-poly.h (same_pdr_p): New.
1454         (number_of_write_pdrs): New.
1455         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
1456         (split_reduction_stmt): Do not split reduction statements
1457         when there are no writes to memory.
1458         (translate_scalar_reduction_to_array_for_stmt): Insert the
1459         memory reduction statement just after the scalar reduction statement.
1460
1461         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
1462         Un-XFAIL-ed.
1463         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
1464         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
1465
1466 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1467
1468         * graphite-interchange.c (lst_apply_interchange): New.
1469         (lst_interchange_profitable_p): New.
1470         (lst_try_interchange_loops): New.
1471         (lst_try_interchange): New.
1472         (lst_do_interchange): New.
1473         (pbb_do_interchange): Removed.
1474         (scop_do_interchange): Call lst_do_interchange.
1475
1476 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1477
1478         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
1479         SCOP_TRANSFORMED_SCHEDULE.
1480         (loop_to_lst): New.
1481         (scop_to_lst): New.
1482         (print_lst): New.
1483         (debug_lst): New.
1484         * graphite-poly.h (lst_p): New.
1485         (struct lst): New.
1486         (LST_LOOP_P): New.
1487         (LST_LOOP_FATHER): New.
1488         (LST_PBB): New.
1489         (LST_SEQ): New.
1490         (scop_to_lst): Declared.
1491         (print_lst): Declared.
1492         (debug_lst): Declared.
1493         (new_lst_loop): New.
1494         (new_lst_stmt): New.
1495         (copy_lst): New.
1496         (lst_depth): New.
1497         (lst_dewey_number): New.
1498         (struct scop): Add original_schedule and transformed_schedule fields.
1499         (SCOP_ORIGINAL_SCHEDULE): New.
1500         (SCOP_TRANSFORMED_SCHEDULE): New.
1501         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
1502
1503 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1504
1505         * graphite-dependences.c (reduction_ddr): New.
1506         (graphite_legal_transform_bb): Call reduction_ddr.
1507         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
1508         Initialize PBB_IS_REDUCTION.
1509         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
1510         (PBB_IS_REDUCTION): New.
1511         (new_poly_bb): Update declaration.
1512         * graphite-scop-detection.h (build_scop_bbs): Removed.
1513         (nb_reductions_in_loop): Removed.
1514         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
1515         parameter for reductions.
1516         (try_generate_gimple_bb): Update call to new_poly_bb.
1517         (build_scop_bbs_1): Same.
1518         (build_scop_bbs): Same.
1519         (gsi_for_phi_node): New.
1520         (scalar_close_phi_node_p): Remove gcc_assert.
1521         (split_reduction_stmt): New.
1522         (is_reduction_operation_p): New.
1523         (phi_contains_arg): New.
1524         (follow_ssa_with_commutative_ops): New.
1525         (detect_commutative_reduction_arg): New.
1526         (detect_commutative_reduction_assign): New.
1527         (follow_inital_value_to_phi): New.
1528         (edge_initial_value_for_loop_phi): New.
1529         (initial_value_for_loop_phi): New.
1530         (detect_commutative_reduction): New.
1531         (translate_scalar_reduction_to_array_for_stmt): New.
1532         (insert_copyout): New.
1533         (insert_copyin): New.
1534         (translate_scalar_reduction_to_array): New.
1535         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
1536         (rewrite_commutative_reductions_out_of_ssa_loop): New.
1537         (rewrite_commutative_reductions_out_of_ssa): New.
1538         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
1539         * sese.h (split_region_for_bb): New.
1540
1541         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
1542         * gcc.dg/graphite/interchange-1.c: Fix format.
1543         * gcc.dg/graphite/interchange-10.c: New.
1544
1545 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1546
1547         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
1548         buggy assert.
1549
1550 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1551
1552         * graphite-sese-to-poly.c (scev_analyzable_p): New.
1553         (rewrite_cross_bb_scalar_dependence): New.
1554         (rewrite_cross_bb_scalar_deps): New.
1555         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
1556         Call rewrite_cross_bb_scalar_deps.
1557
1558 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1559
1560         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
1561         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
1562         gsi_for_stmt.
1563
1564 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1565
1566         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
1567         * graphite-interchange.c (pbb_do_interchange): Same.
1568         * graphite-poly.c (print_scattering_function): Same.
1569         (debug_pdrs): Same.
1570         * graphite-poly.h (pbb_loop): New.
1571         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
1572
1573 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1574
1575         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
1576
1577 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1578
1579         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
1580         so don't pass a pointer to it.
1581         (build_alias_set_for_drs): Same.
1582         (build_base_obj_set_for_drs): Same.
1583         (build_scop_drs): Same.
1584
1585 2009-09-26  Li Feng  <nemokingdom@gmail.com>
1586
1587         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
1588         the alias graph of data references.
1589
1590 2009-09-25  Li Feng  <nemokingdom@gmail.com>
1591
1592         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
1593         (build_scop_drs): When debugging, write the alias graph to file,
1594         otherwise, should be disabled.
1595
1596 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1597
1598         * Merge from mainline (151310:151361).
1599
1600 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1601
1602         * Merge from mainline (151171:151310).
1603
1604 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1605
1606         * Merge from mainline (151171:151806).
1607
1608 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1609
1610         * Revert the last commit.
1611
1612 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1613
1614         * Merge from mainline (151171:151819).
1615
1616 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1617
1618         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
1619         (is_simple_operand): Remove call to stmt_simple_memref_p.
1620         (stmt_simple_for_scop_p): Update call to is_simple_operand.
1621
1622 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
1623
1624         * gcc.dg/graphite/interchange-mvt.c: New File.
1625         * gcc.dg/graphite/scop-dsyrk.c: New File.
1626         * gcc.dg/graphite/scop-dsyr2k.c: New File.
1627         * gcc.dg/graphite/scop-mvt.c: New File.
1628         * gcc.dg/graphite/scop-sor.c: New File.
1629
1630 2009-09-17 Li Feng  <nemokingdom@gmail.com>
1631
1632         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
1633         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
1634         (graphite_carried_dependence_level_k): Ditto.
1635         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
1636         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
1637         (new_poly_dr): Adjust declaration.
1638         * graphite-sese-to-poly.c (free_data_refs_aux): New.
1639         (free_gimple_bb): Added free_data_refs_aux.
1640         (build_poly_dr): Add dr_base_object_set.
1641         (partition_drs_to_sets): New.
1642         (dr_same_base_object_p): New.
1643         (build_alias_set_for_drs): New.
1644         (build_base_object_set_for_drs): New.
1645         (build_scop_drs): Add build_base_obj_set_for_drs.
1646         * graphite-sese-to-poly.h: Added #define for alias set number index and
1647         base object set index.
1648         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1649         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1650
1651 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1652
1653         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1654         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1655
1656 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1657
1658         * graphite-sese-to-poly.c (struct irp_data): Removed.
1659         (idx_record_params): Removed.
1660         (find_params_in_bb): Scan for parameters the access functions; don't
1661         parse the tree representation.
1662
1663 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1664
1665         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
1666         passes at -O1 and below.
1667
1668 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1669
1670         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1671         tree-scalar-evolution.h, and then tree-data-ref.h.
1672         * graphite-clast-to-gimple.c: Same.
1673         * graphite-dependences.c: Same.
1674         * graphite-interchange.c: Same.
1675         * graphite-poly.c: Same.
1676         * graphite-scop-detection.c: Same.
1677         * graphite-sese-to-poly.c: Same.
1678         * graphite.c: Same.
1679         * lambda-code.c: Same.
1680         * matrix-reorg.c: Same.
1681         * tree-data-ref.c: Same.
1682         * tree-if-conv.c: Same.
1683         * tree-loop-distribu: Same.: Same.
1684         * tree-loop-linear.c: Same.
1685         * tree-parloops.c: Same.
1686         * tree-predcom.c: Same.
1687         * tree-vect-patterns.c: Same.
1688
1689 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1690
1691         Partially revert the previous patch, except the following.
1692         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1693         as parameters the operands of the not expression.
1694
1695 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1696
1697         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1698         Do not call analyze_scalar_evolution on assignments.
1699         (instantiate_scev_phi): Call analyze_scalar_evolution.
1700         (instantiate_scev_name): Call instantiate_scev_assign and
1701         instantiate_scev_phi.
1702         (instantiate_scev_not): Adapted to pass as parameters the operands
1703         of the not expression.
1704
1705 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1706
1707         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1708         to pass as parameters the operands of the binary expression.
1709
1710 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1711
1712         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1713         instantiate_scev_not.  Handle NEGATE_EXPR.
1714         (instantiate_scev_r): Handle NEGATE_EXPR.
1715
1716 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1717
1718         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1719         instantiate_scev_r.
1720         (instantiate_scev_r): Move code in instantiate_scev_2
1721         and instantiate_scev_1.
1722
1723 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1724
1725         * tree-scalar-evolution.c (instantiate_scev_3): New.
1726         (instantiate_scev_1): Move code in instantiate_scev_3.
1727
1728 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1729
1730         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1731         (instantiate_scev_1): Move code in instantiate_scev_poly.
1732
1733 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1734
1735         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1736         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1737
1738 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1739
1740         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1741         (instantiate_scev_1): Move code in instantiate_scev_convert.
1742
1743 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1744
1745         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1746         (instantiate_scev_1): Move code in instantiate_scev_binary.
1747
1748 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1749
1750         * tree-scalar-evolution.c (instantiate_scev_name): New.
1751         (instantiate_scev_1): Move code in instantiate_scev_name.
1752
1753 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1754
1755         * Merge from mainline (150992:151171).
1756
1757 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1758
1759         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
1760
1761 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1762
1763         * graphite-dependences.c (graphite_legal_transform_bb): Call
1764         pbb_remove_duplicate_pdrs.
1765         * graphite-poly.c (can_collapse_pdr): Removed.
1766         (pdr_find_duplicate): Removed.
1767         (can_collapse_pdrs): New.
1768         (pbb_remove_duplicate_pdrs): New.
1769         (new_poly_dr): Do not look for duplicates.
1770         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1771         (PBB_PDR_DUPLICATES_REMOVED): New.
1772         (pbb_remove_duplicate_pdrs): Declared.
1773
1774 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1775
1776         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1777         the strides by multiplying by PDR_NB_REFS.
1778         * graphite-poly.c (can_collapse_pdr): New.
1779         (pdr_find_duplicate): New.
1780         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1781         Initialize PDR_NB_REFS.
1782         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1783         (PDR_NB_REFS): New.
1784         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1785
1786 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1787
1788         Revert one of the previous commits:
1789         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1790         the computation of symmetric data dependence relations.
1791         (dependency_between_pbbs_p): Same.
1792
1793 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1794
1795         PR middle-end/40965
1796         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1797         any transform.
1798
1799 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1800
1801         * graphite-dependences.c (pddr_original_scattering): Return NULL
1802         for read-read dependence relations.
1803         * graphite-poly.h (enum poly_dr_type): Fix comment.
1804         (pdr_read_p): New.
1805         (pdr_write_p): New.
1806         (pdr_may_write_p): New.
1807
1808 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1809
1810         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1811         (struct poly_dr): Same.
1812         (new_poly_dr): Same.
1813         * graphite-poly.c (new_poly_dr): Same.
1814
1815 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1816             Sebastian Pop  <sebastian.pop@amd.com>
1817
1818         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1819         pbb_strip_mine_time_depth.  Changed the implementation so that
1820         transformation is expressed as a transformation on
1821         time (scatttering) dimensions.  Also, ensures that the 2d+1
1822         scheduling format is preserved.
1823         (pbb_strip_mine_profitable_p): Profitability is based on the
1824         iteration number of a given time (scattering) dimension,
1825         and not on a original loop depth dimension.
1826         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1827         (pbb_do_strip_mine): Call psct_dynamic_dim.
1828         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1829         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1830         (pbb_nb_dynamic_scattering_transform): New.
1831         (psct_dynamic_dim): New.
1832
1833 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1834
1835         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1836         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1837         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1838         * graphite-interchange.c (build_linearized_memory_access): Same.
1839         (memory_stride_in_loop): Same.
1840
1841 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1842
1843         * graphite-dependences.c (pddr_original_scattering): New.
1844         (graphite_legal_transform_dr): Call pddr_original_scattering.
1845         (dot_deps_1): New.
1846         (dot_deps): New.
1847         * graphite-dependences.h (dot_deps): Declared.
1848         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1849         (print_pdr): Print PDR_ID.
1850         * graphite-poly.h (struct poly_dr): Add field id.
1851         (PDR_ID): New.
1852         (pbb_index): New.
1853         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1854
1855 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1856
1857         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1858         not delete the original dependence relation.
1859
1860 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1861
1862         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1863         the computation of symmetric data dependence relations.
1864         (dependency_between_pbbs_p): Same.
1865
1866 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1867
1868         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1869         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1870         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1871         (free_poly_ddr): New.
1872         (pddr_is_empty): New.
1873         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1874         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1875         Remove fprintfs.
1876         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1877         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1878         * graphite-dependences.h (enum poly_dependence_kind): New.
1879         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1880         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1881         (PDRP_SINK): Renamed PDDR_SINK.
1882         (PDRP_DDP): Renamed PDDR_DDP.
1883         (PDDR_KIND): New.
1884         (free_poly_ddr): Declared.
1885         * graphite-poly.c (new_scop): Use the new hash function names.
1886         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1887         into original_pddrs.
1888         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1889
1890 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1891
1892         * Merge from mainline (150764:150992).
1893
1894 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1895
1896         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1897         bounds with LT_EXPR to make niter analysis more precise on code
1898         generated by Graphite.
1899
1900 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1901
1902         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1903         (graphite_legal_transform_bb): Same.
1904         (poly_drs_may_alias_p): Same.
1905
1906 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1907
1908         PR middle-end/40981
1909         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1910         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1911
1912 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1913
1914         * graphite-poly.c (print_pbb): Print PBB index.
1915
1916 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1917
1918         * Merge from mainline (r150672:150764).
1919
1920 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1921
1922         * graphite-interchange.c (ppl_max_for_le): Moved...
1923         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1924         * graphite-ppl.c (ppl_max_for_le): ... here.
1925         * graphite-ppl.h (ppl_max_for_le): Declared.
1926
1927 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1928
1929         * Merge from mainline (r150372:150672).
1930
1931 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1932
1933         PR middle-end/40980
1934         * sese.c (convert_for_phi_arg): New.
1935         (add_guard_exit_phis): Use convert_for_phi_arg.
1936
1937         * gfortran.dg/graphite/id-17.f: New.
1938
1939 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1940
1941         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1942         unknown subscript upper bounds.
1943
1944         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1945
1946 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1947             Pranav Garg  <pranav.garg2107@gmail.com>
1948
1949         * graphite-interchange.c (gather_access_strides): Removed.
1950         (ppl_max_for_le): New.
1951         (build_linearized_memory_access): New.
1952         (memory_stride_in_loop): New.
1953         (pbb_interchange_profitable_p): Reimplemented.
1954         * graphite-ppl.h (ppl_new_id_map): New.
1955         (ppl_interchange): New.
1956
1957         * gcc.dg/graphite/interchange-6.c: XFAILed.
1958
1959 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1960
1961         * graphite-interchange.c (compute_subscript): Removed.
1962         (compute_array_size_cstr): Removed.
1963         (compute_array_size_poly): Removed.
1964         (compute_array_size): Removed.
1965         (gather_access_strides_poly): Removed.
1966         (gather_access_strides): Empty.
1967
1968 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1969
1970         * graphite-dependences.c (dependence_polyhedron_1): Replace
1971         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1972         (graphite_legal_transform_dr): Same.
1973         (graphite_carried_dependence_level_k): Same.
1974         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1975         Initialize PDR_NB_SUBSCRIPTS.
1976         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1977         PDR_NB_SUBSCRIPTS.
1978         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1979         (PDR_NB_SUBSCRIPTS): New.
1980         (pdr_nb_subscripts): Removed.
1981         (pdr_dim): Simplified.
1982         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1983         with PDR_NB_SUBSCRIPTS.
1984
1985 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1986
1987         * graphite-interchange.c (compute_array_size): Remove use of
1988         PDR_DATA_CONTAINER.
1989         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1990         Do not initialize PDR_DATA_CONTAINER.
1991         (print_pdr): Do not print PDR_DATA_CONTAINER.
1992         * graphite-poly.h (struct poly_dr): Remove data_container field.
1993         (PDR_DATA_CONTAINER): Removed.
1994         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1995         PDR_DATA_CONTAINER.
1996         (build_poly_dr): Same.
1997
1998 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1999
2000         * gcc.dg/graphite/interchange-9.c: New.
2001
2002 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2003             Sebastian Pop  <sebastian.pop@amd.com>
2004
2005         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
2006         copy of the dependence polyhedron.  Free the temporary objects.
2007         (graphite_carried_dependence_level_k): Free unused objects before
2008         returning.
2009
2010         * gcc.dg/graphite/interchange-1.c: XFAILed.
2011         * gcc.dg/graphite/interchange-2.c: XFAILed.
2012         * gcc.dg/graphite/interchange-3.c: XFAILed.
2013         * gcc.dg/graphite/interchange-4.c: XFAILed.
2014         * gcc.dg/graphite/interchange-7.c: XFAILed.
2015
2016 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2017
2018         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
2019         Early return without analyzing the data dependences if no
2020         transform has been done.  Call restore_scattering if the transform
2021         is not legal.
2022         (graphite-interchange.c): Same.
2023         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
2024         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
2025         (apply_poly_transforms): Do not gcc_assert that
2026         the transform is legal.
2027         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2028         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
2029         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
2030         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2031         * graphite-poly.h (struct poly_scattering): New.
2032         (struct poly_bb): Add original, transformed, and saved fields.
2033         Remove transformed_scattering, original_scattering, nb_local_variables,
2034         and nb_scattering_transform fields.
2035         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
2036         (poly_scattering_new): New.
2037         (poly_scattering_free): New.
2038         (poly_scattering_copy): New.
2039         (store_scattering_pbb): New.
2040         (store_scattering): New.
2041         (restore_scattering_pbb): New.
2042         (restore_scattering): New.
2043         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2044         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
2045
2046 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2047
2048         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
2049         (print_scop): Same.
2050
2051 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2052
2053         * Makefile.in (graphite.o): Depends on PREDICT_H.
2054         * graphite.c: Include predict.h.
2055         (graphite_finalize): Call tree_estimate_probability.
2056         * predict.c (predict_loops): Do not call scev_initialize and
2057         scev_finalize.
2058         (tree_estimate_probability_bb): New.
2059         (tree_estimate_probability): Do not initialize loops: move that
2060         code to the driver.  Call tree_estimate_probability_bb.
2061         (tree_estimate_probability_driver): New.
2062         (pass_profile): Use tree_estimate_probability_driver.
2063         * predict.h (tree_estimate_probability): Declared.
2064
2065 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2066
2067         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
2068         * graphite-dependences.c (graphite_legal_transform): Add time to
2069         TV_GRAPHITE_DATA_DEPS.
2070         (dependency_between_pbbs_p): Same.
2071         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
2072
2073 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
2074
2075         * Merge from mainline (r149952:150372).
2076
2077 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2078
2079         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
2080         * graphite-blocking.c: Same.
2081         * graphite-clast-to-gimple.c: Same.
2082         * graphite-dependences.c: Same.
2083         * graphite-poly.c: Same.
2084         * graphite-poly.h: Same.
2085         * graphite-ppl.c: Same.
2086         * graphite-scop-detection.c: Same.
2087         * graphite-sese-to-poly.c: Same.
2088         * graphite.c: Same.
2089
2090 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2091
2092         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
2093         (remove_simple_copy_phi): New.
2094         (remove_invariant_phi): New.
2095         (simple_copy_phi_p): New.
2096         (reduction_phi_p): New.
2097         (gsi_for_ssa_name_def): New.
2098         (insert_out_of_ssa_copy): New.
2099         (insert_out_of_ssa_copy_on_edge): New.
2100         (create_zero_dim_array): New.
2101         (scalar_close_phi_node_p): New.
2102         (rewrite_close_phi_out_of_ssa): New.
2103         (rewrite_phi_out_of_ssa): New.
2104         (rewrite_reductions_out_of_ssa): New.
2105         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
2106
2107         * gcc.dg/graphite/id-11.c: New.
2108         * gcc.dg/graphite/id-15.c: New.
2109         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
2110         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
2111         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
2112         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
2113         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
2114         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
2115         * gfortran.dg/graphite/id-13.f: New.
2116         * gfortran.dg/graphite/id-5.f: New.
2117
2118 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2119
2120         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
2121         check that nb_reductions_in_loop is zero.
2122         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
2123         reduction phi nodes.
2124         (nb_reductions_in_loop): Removed.
2125         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
2126         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
2127         (bb_contains_non_iv_scalar_phi_nodes): Removed.
2128         (scop_contains_non_iv_scalar_phi_nodes): Removed.
2129         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
2130
2131 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2132
2133         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
2134         statements that have an empty iteration domain.
2135         * gfortran.dg/graphite/id-16.f: New.
2136
2137 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2138
2139         * tree-scalar-evolution.c (instantiate_scev_1): Return
2140         chrec_dont_know when the result is not above instantiate_below.
2141         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
2142         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
2143         the tree has a known scalar evolution.
2144         * gfortran.dg/graphite/id-14.f: New.
2145         * gfortran.dg/graphite/id-15.f: New.
2146
2147 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2148
2149         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
2150         insert_gsi.
2151         (rename_variables): Keep inserting renames after the ones already
2152         inserted.
2153
2154 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2155
2156         * graphite-sese-to-poly.c (compare_bb_depths): New.
2157         (graphite_sort_dominated_info): New.
2158         (build_scop_bbs_1): Call graphite_sort_dominated_info.
2159         (build_scop_scattering): Fix comment.
2160
2161 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2162
2163         * graphite.c (graphite_finalize): Call print_loops instead of
2164         dump_function_to_file.
2165         * gcc.dg/graphite/graphite.exp: Fix formatting.
2166         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
2167         loops generated in the graphite output file.
2168         * gcc.dg/graphite/pr35356-2.c: New.
2169         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
2170         * gfortran.dg/graphite/id-12.f: New.
2171
2172 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2173
2174         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
2175         Remove 2 XFAIL.
2176
2177 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2178             Tobias Grosser  <grosser@fim.uni-passau.de>
2179
2180         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
2181         alias set number build alias in ACCESSES polyhedron.
2182         (build_alias_set_for_drs): New.
2183         (build_pbb_drs): Added build_alias_set_for_drs.
2184         * graphite-dependences.c (poly_drs_may_alias_p): New.
2185         (graphite_carried_dependence_level_k): Check alias information
2186         before building polyhedron.
2187
2188 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2189
2190         * Makefile.in (lambda-code.o): Fix formatting.
2191
2192 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2193
2194         * Merge from mainline (r149350-149952)
2195
2196 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2197
2198         * graphite-poly.c (apply_poly_transforms): Move strip_mine
2199         before interchange to prepare for loop blocking.
2200
2201 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2202
2203         * graphite-poly.c (apply_poly_transforms): Add checks after every
2204         transformation.
2205         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
2206         done in apply_poly_transforms.
2207
2208 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2209
2210         * graphite-dependences.c (build_lexicographically_gt_constraint):
2211         Replace RES parameter with *RES.
2212         (dependence_polyhedron_1): Pass an address of the parameter RES
2213         instead of value of RES.
2214
2215 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2216
2217         * graphite.c (graphite_finalize): Fix comment.
2218         (graphite_transform_loops): Reset scev info after code generation
2219         of each scop.
2220
2221 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2222
2223         * graphite.c (graphite_finalize): Call scev_reset.
2224
2225 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2226
2227         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
2228         GBB_CLOOG_IV_TYPES hash table twice.
2229         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
2230         (add_condition_to_domain): Clear GMP values.
2231
2232 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2233
2234         * graphite-dependences.c: Fix formatting.
2235         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
2236         (pbb_number_of_iterations): Free ppl_Linear_Expression.
2237         * graphite-sese-to-poly.c: Fix formatting.
2238         * graphite.c (graphite_transform_loops): Create the hash table
2239         after the early return.
2240
2241 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2242
2243         * gcc.dg/graphite/id-14.c: New.
2244         * gcc.dg/graphite/pr40157.c: New.
2245         * gfortran.dg/graphite/id-11.f: New.
2246
2247 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2248
2249         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
2250         (build_poly_scop): Return false when there are no pbbs within
2251         loops to avoid to pass to cloog scops with no loops.
2252
2253 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2254
2255         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
2256         useless test "i % 2".
2257         (build_pbb_scattering_polyhedrons): Fix formatting.
2258         (build_poly_dr): Same.
2259         * graphite.c (graphite_transform_loops): Restructure.
2260
2261 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
2262
2263         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
2264         reduction_list parameter.
2265         (rewrite_all_phi_nodes_with_iv): Same.
2266         (canonicalize_loop_ivs): Same.
2267         * tree-parloops.c (struct brli): Removed.
2268         (build_reduction_list_info): Removed.
2269         (build_new_reduction): New.
2270         (analyze_reduction_list): Removed.
2271         (gather_scalar_reductions): Find reductions instead of phi
2272         nodes that can't be canonicalized.
2273         (try_create_reduction_list): Remove reduction_list parameter.
2274         (gen_parallel_loop): Same.
2275         (parallelize_loops): Remove analyze_reductions variable,
2276         initialization and free.
2277         Change reduction_list htab initialization to reduction_info
2278         elements instead of ssa names.
2279         Call try_create_reduction_list and gen_parallel_loop without
2280         analyzed_reduction argument.
2281         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
2282         canonicalize_loop_ivs with one less argument.
2283         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
2284
2285 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2286
2287         * graphite-dependences.c (new_poly_dr_pair): New.
2288         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
2289         (new_poly_dr_pair): New.
2290         (eq_poly_dr_pair_p): New.
2291         (hash_poly_dr_pair_p): New.
2292         * graphite-dependences.h (struct poly_dr_pair): New.
2293         (eq_poly_dr_pair_p): Declared.
2294         (hash_poly_dr_pair_p): Declared.
2295         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
2296         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
2297         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
2298         * Makefile.in (graphite-poly.o): Add dependence on
2299         graphite-dependences.h.
2300
2301 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2302
2303         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
2304         polynomials of degree > 1 pass to Graphite.
2305         * tree-chrec.c (scev_is_linear_expression): Call
2306         evolution_function_is_affine_multivariate_p.
2307         * gfortran.dg/graphite/id-10.f90: New.
2308
2309 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2310
2311         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
2312         Instantiate scevs varying in outer loops.
2313         * gfortran.dg/graphite/id-9.f: Correct testcase.
2314
2315 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2316
2317         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
2318         redundant constraint.
2319
2320 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2321
2322         * gcc.dg/graphite/graphite.exp: Fix comments.
2323         * gfortran.dg/graphite/graphite.exp: Trigger actions
2324         based on the file names as in the C testsuite.
2325         * gfortran.dg/graphite/block-1.f90: Fix patterns.
2326         * gfortran.dg/graphite/block-2.f: Same.
2327         * gfortran.dg/graphite/block-3.f90: Same.
2328         * gfortran.dg/graphite/block-4.f90: Same.
2329         * gfortran.dg/graphite/id-1.f90: Same.
2330         * gfortran.dg/graphite/id-2.f90: Same.
2331         * gfortran.dg/graphite/id-3.f90: Same.
2332         * gfortran.dg/graphite/id-4.f90: Same.
2333         * gfortran.dg/graphite/id-6.f: Same.
2334         * gfortran.dg/graphite/id-9.f: Same.
2335         * gfortran.dg/graphite/interchange-1.f: Same.
2336         * gfortran.dg/graphite/interchange-2.f: Same.
2337         * gfortran.dg/graphite/scop-1.f: Same.
2338
2339 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2340
2341         * sese.c (expand_scalar_variables_call): New.
2342         (expand_scalar_variables_ssa_name): Handle calls in expander.
2343
2344 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2345
2346         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
2347         Expect to see the pattern twice.
2348         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
2349         * gcc.dg/graphite/interchange-5.c: Same.
2350         * gcc.dg/graphite/interchange-6.c: Same.
2351
2352 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2353
2354         * gcc.dg/graphite/id-10.c: New.
2355         * gcc.dg/graphite/id-12.c: New.
2356         * gfortran.dg/graphite/id-7.f: New.
2357         * gfortran.dg/graphite/id-8.f: New.
2358
2359 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2360
2361         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
2362         zero.
2363
2364 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2365
2366         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
2367
2368 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2369
2370         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
2371
2372 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2373
2374         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
2375         building PDR subscripts.
2376
2377 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2378
2379         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
2380         computation of array sizes.
2381
2382 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2383
2384         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
2385
2386 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2387
2388         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
2389         build_pairwise_constraint, dr_equality_constraints,
2390         build_pairwise_scheduling_equality,
2391         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2392         build_lexicographically_gt_constraint, dependence_polyhedron,
2393         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
2394         Move from NNC_Polyhedron to C_Polyhedron.
2395         * graphite-interchange.c (compute_array_size_poly,
2396         gather_access_strides): Dito.
2397         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
2398         free_scop, pbb_number_of_iterations): Dito.
2399         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
2400         pbb_dim_iter_domain, struct scop): Dito.
2401         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
2402         new_Cloog_Domain_from_ppl_Polyhedron,
2403         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
2404         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
2405         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
2406         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
2407         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
2408         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
2409         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
2410         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
2411         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
2412         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
2413         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
2414         build_scop_iteration_domain, build_poly_dr): Dito
2415
2416 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2417
2418         * gcc.dg/graphite/graphite.exp: Added a rule to execute
2419         run-id-*.c files.
2420         * gcc.dg/graphite/run-id-1.c: New.
2421
2422 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2423
2424         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
2425         positivity constraint on the symbolic number of iterations.
2426
2427 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2428
2429         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
2430
2431 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2432             Tobias Grosser  <grosser@fim.uni-passau.de>
2433
2434         * graphite-clast-to-gimple.c (build_scop_context): Removed.
2435         (build_cloog_prog): Directly use SCOP_CONTEXT.
2436         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
2437         (free_scop): Free SCOP_CONTEXT.
2438         (print_scop_context): New.
2439         (print_scop): Call print_scop_context.
2440         (debug_scop_context): New.
2441         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
2442         (struct scop): Added field context.
2443         (SCOP_CONTEXT): New.
2444         * graphite-sese-to-poly.c (add_param_constraints): New.
2445         (build_scop_context): New.
2446         (build_poly_scop): Call build_scop_context.
2447
2448 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2449
2450         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
2451         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
2452         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
2453         * graphite-ppl.h: Include double-int.h and tree.h.
2454         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
2455         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
2456         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
2457         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
2458
2459 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2460
2461         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
2462         POINTER_PLUS_EXPR for pointer types.
2463         (clast_to_gcc_expression): Same.
2464
2465 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2466
2467         * graphite-poly.c (print_scattering_function): Early return when
2468         PBB_TRANSFORMED_SCATTERING is not initialized.
2469         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
2470
2471 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
2472
2473         * tree-parloops.c (analyze_reduction_list): Remove unused variable
2474         to fix bootstrap.
2475
2476 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
2477
2478         * tree-parloops.c (analyze_reduction_list): Change return
2479         value to void.
2480         (try_create_reduction_list): Move the call to
2481         analyze_reduction_list to the beginining.
2482         Call reduction_phi with analyzed_reductions as argument
2483         instead of reduction_list.
2484
2485 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2486
2487         *  Merge from mainline (r148296:149346)
2488
2489 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2490
2491         * graphite-scop-detection.c (graphite_can_represent_init): New.
2492         (graphite_can_represent_scev): Call graphite_can_represent_init:
2493         check that the initial value does not contain multiplications of
2494         parameters.
2495         (stmt_has_simple_data_refs_p): New.
2496         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
2497         (is_simple_operand): Fix formatting.
2498         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
2499
2500 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2501
2502         * gcc.dg/graphite/id-13.c: New.
2503         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
2504         analyze_scalar_evolution, use scalar_evolution_in_region.
2505         (scan_tree_for_params_right_scev): Add extra assert.
2506         (parameter_index_in_region_1): Split from parameter_index_in_region.
2507         (idx_record_params): Use scalar_evolution_in_region.
2508         (find_params_in_bb): Same.
2509         (find_scop_parameters): Same.
2510         (build_loop_iteration_domains): Same.
2511         (create_linear_expr_from_tree): Same.
2512         * sese.c (scalar_evolution_in_region): New.
2513         * sese.h (scalar_evolution_in_region): Declared.
2514         (defined_in_sese_p): New.
2515         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
2516         static anymore.
2517         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
2518         Declared.
2519
2520 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2521
2522         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
2523         TREE_DATA_REF_H also implies SCEV_H.
2524
2525 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2526
2527         * graphite-poly.c (print_scop_params): New.
2528         (print_scop): Call print_scop_params.
2529         (debug_scop_params): New.
2530         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
2531
2532 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2533
2534         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
2535         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
2536         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
2537         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
2538         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
2539         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
2540
2541 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2542
2543         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
2544         for dependency checking part.
2545         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
2546         tests for dependency checking.
2547         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2548         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2549         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
2550         flag -fdump-tree-graphite-all for autopar testsuites.
2551
2552 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2553
2554         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
2555         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
2556         canonicalize_loop_ivs): Moved...
2557         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
2558
2559 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2560
2561         * tree-parloops.c (try_create_reduction_list): Pass an extra
2562         argument analyzed_reductions.  Call analyze_reduction_list.
2563         (gen_parallel_loop): Do not call analyze_reduction_list.
2564         (parallelize_loops): Init and finalize analyzed_reductions.
2565
2566 2009-07-06  Li Feng  <nemokingdom@gmail.com>
2567
2568         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2569         Added flag -fno-loop-strip-mine for autopar testcase.
2570
2571 2009-07-04  Li Feng  <nemokingdom@gmail.com>
2572
2573         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
2574         transformed scattering dimension instead of unmatch orignal when
2575         calling dependence_polyhedron.
2576
2577 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2578
2579         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
2580
2581 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2582
2583         * graphite-poly.c (pbb_number_of_iterations): Check for returned
2584         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
2585
2586 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2587
2588         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
2589         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
2590         * graphite-poly.c (pbb_number_of_iterations): New.
2591         * graphite-poly.h (pbb_number_of_iterations): Declared.
2592         (pbb_iterator_dim, pbb_parameter_dim): New.
2593
2594 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
2595
2596         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
2597         last commit on type of lower and upper bound of loops.
2598
2599 2009-06-29  Li Feng  <nemokingdom@gmail.com>
2600
2601         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
2602         graphite-dependences.h.
2603         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
2604         (mark_bb_with_pbb): New.
2605         (get_stmtfor_depth): New.
2606         (find_pbb_via_hash): New.
2607         (dependency_in_loop_p): New.
2608         (mark_loops_parallel): New.
2609         (free_aux_in_new_loops): New.
2610         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
2611         bb with it's relevant pbb. Mark newly created loops.  Remove mark
2612         innermost loop parallel without checking.
2613         (gloog): Add parameter BB_PBB_MAPPING.
2614         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
2615         (gloog): Change declaration.
2616         (mark_loop_parallel): Make extern.
2617         (free_aux_in_new_loops): Declare.
2618         (bb_pbb_map_hash): New.
2619         (eq_bb_pbb_map): New.
2620         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
2621         auto parallelization when flag_graphite_force_parallel is set.
2622         (graphite_finalize): Added free_aux_in_new_loops.
2623         * tree-parloops.c (parallelize_loops): Only generate parallel code for
2624         the innermost loop that marked parallel.  Use
2625         flag_graphite_force_parallel instead of loop->can_be_parallel.
2626         (loop_parallel_p): Move inner most checking out of function.
2627
2628 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2629
2630         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
2631         type of lower and upper bound of loops signed long int.
2632
2633 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2634
2635         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
2636         expression outside the loop.
2637
2638 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2639
2640         * gcc.dg/graphite/interchange-8.c: New.
2641
2642 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2643
2644         * gcc.dg/graphite/interchange-0.c: XFailed.
2645         * gcc.dg/graphite/interchange-5.c: XFailed.
2646         * gcc.dg/graphite/interchange-6.c: XFailed.
2647
2648 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2649
2650         * graphite-interchange.c (compute_array_size_poly): The end of the
2651         recursion should return 1.
2652
2653 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2654
2655         * graphite-interchange.c (compute_array_size_cstr): Allow the
2656         subscript multiplier to be -1.
2657         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
2658         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
2659         data_container.  Initializes PDR_DATA_CONTAINER.
2660         (print_pdr_access_layout): New.
2661         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
2662         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
2663         data_container.
2664         (PDR_DATA_CONTAINER): New.
2665         (new_poly_dr): Update declaration.
2666         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
2667         (build_poly_dr): Call pdr_add_data_dimensions.
2668
2669 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2670
2671         * graphite-poly.h (struct poly_dr): Fix comment.
2672         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2673         (pdr_add_memory_accesses): New.
2674         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2675
2676 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2677
2678         * graphite-poly.c (print_pdrs, debug_pdrs): New.
2679         (print_pbb): Add call to print_pdrs.
2680         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2681
2682 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2683             Li Feng <nemokingdom@gmail.com>
2684
2685         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2686         (dependency_between_pbbs_p): New.
2687         (lexicographically_gt_p): Assure !empty_p before polyhedron
2688         intersection assign.
2689         (build_lexicographically_gt_constraint): Correct lexicographically
2690         judging.
2691         * graphite-dependences.h: New.
2692         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2693
2694 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2695
2696         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2697         (gloog): Print to dump_file the generated clast.
2698         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2699         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2700
2701 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2702
2703         * graphite-poly.c (extend_scattering): Increment
2704         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2705
2706 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2707
2708         * graphite-interchange.c (compute_array_size_poly): Added exit of
2709         recursion condition.  Continue iterating even after the first equality.
2710         (compute_array_size): Same.
2711
2712 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2713
2714         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2715         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2716         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2717         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2718         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2719
2720 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2721
2722         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2723         only when the use verifies is_gimple_reg.
2724
2725 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2726
2727         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2728         Allocate scaldims after call to unify_scattering_dimensions.
2729
2730 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2731
2732         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2733
2734 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2735             Albert Cohen  <albert.cohen@inria.fr>
2736
2737         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2738         variables for the strip mining.
2739
2740 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2741             Pranav Garg  <pranav.garg2107@gmail.com>
2742
2743         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2744         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2745         (graphite-blocking.o): New rule.
2746         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2747         * graphite-blocking.c: New.
2748         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2749         flag_loop_strip_mine.
2750         (psct_scattering_dim_for_loop_depth): New.
2751         * graphite-poly.h (scop_do_strip_mine): Declared.
2752         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2753         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2754         flag_loop_strip_mine.
2755
2756 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2757
2758         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2759         a GMP value and a PPL coefficient at each iteration of a loop.
2760
2761 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2762
2763         * graphite-dependences.c (dependence_polyhedron): Do not use
2764         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2765         pbb_nb_scattering_transform.
2766         (graphite_legal_transform_dr): Same.
2767         * graphite-poly.c (extend_scattering): Same.
2768         (unify_scattering_dimensions): Same.
2769         (print_scattering_function): Same.
2770         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2771         PBB_NB_LOCAL_VARIABLES.
2772         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2773         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2774         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2775         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2776         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2777         (pbb_nb_scattering_transform): New.
2778         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2779         (psco_scattering_dim): Add assert on parameters.
2780         (psct_scattering_dim): Same.
2781         (psct_scattering_dim_for_loop_depth): Declared.
2782         (psct_local_var_dim): New.
2783         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2784         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2785         correct layout, call pbb_nb_local_vars.
2786         (psct_add_local_variable, psct_add_scattering_dimension): New.
2787         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2788         Initialize PBB_NB_SCATTERING_TRANSFORM.
2789
2790 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2791
2792         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2793         (set_coef): Renamed ppl_set_coef.
2794         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2795
2796 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2797
2798         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2799         test a boolean against 1.
2800         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2801         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2802         (pbb_do_interchange): Returns true when a transform has been performed.
2803         (scop_do_interchange): Same.
2804         * graphite-poly.c (apply_poly_transforms): Use the return value of
2805         scop_do_interchange.
2806         * graphite-poly.h (scop_do_interchange): Update declaration.
2807
2808 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2809
2810         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2811         after last use.
2812         * sese.c (sese_reset_aux_in_loops): New.
2813         * sese.h (sese_reset_aux_in_loops): New.
2814
2815 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2816
2817         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2818         multiplier and multiply the constant by the multiplier.
2819         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2820         (build_poly_dr): Do not use the multiplier to define the subscript.
2821
2822 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2823
2824         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2825         compiler's data reference.  Initialize PDR_CDR.
2826         (print_pdr): Call dump_data_reference.
2827         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2828         Add compiler_dr field.
2829         (PDR_BB): Renamed PDR_PBB.
2830         (PDR_CDR): New.
2831         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2832         GCC's data reference representation.
2833         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2834         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2835
2836 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2837
2838         * graphite-poly.c (print_scattering_function): Also print the layout.
2839         * graphite-poly.h (pbb_nb_local_vars): New.
2840
2841 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2842
2843         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2844
2845 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2846
2847         * graphite-poly.c (print_pdr, debug_pdr): New.
2848         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2849         (PDR_BASE): Removed.
2850
2851 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2852
2853         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2854         ltrans-{1..6,8}.c.
2855
2856 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2857
2858         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2859         subscript identification column.
2860         (pbb_do_interchange): Print to dump_file that some loops "will be
2861         interchanged".  Rely on that chain of characters in the testcases.
2862         * gcc.dg/graphite/interchange-0.c: New.
2863         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2864         interchange-*.c files and compile them with -floop-interchange.
2865
2866 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2867
2868         * graphite-interchange.c (interchange_profitable_p): Renamed
2869         pbb_interchange_profitable_p.
2870
2871 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2872             Harsha Jagasia  <harsha.jagasia@amd.com>
2873             Pranav Garg  <pranav.garg2107@gmail.com>
2874
2875         * graphite-interchange.c (interchange_profitable_p): Make static.
2876         (pbb_interchange_loop_depths, pbb_do_interchange,
2877         scop_do_interchange): New.
2878         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2879         for flag_loop_interchange.
2880         * graphite-poly.h (scop_do_interchange): Declared.
2881         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2882         flag_loop_interchange is used.
2883
2884 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2885
2886         * graphite-dependences.c (dependence_polyhedron): Update use of
2887         pbb_nb_scattering_dims.
2888         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2889         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2890         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2891         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2892
2893 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2894
2895         * graphite.c: Cleanup foo.
2896
2897 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2898
2899         * Merge from mainline (r143684:148293).
2900         * Disabled libpcp until it gets fixed.
2901
2902 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2903             Harsha Jagasia  <harsha.jagasia@amd.com>
2904
2905         * graphite-interchange.c: New.
2906         * Makefile.in (graphite-interchange.o): New.
2907         * graphite-poly.h (interchange_profitable_p): Declared.
2908         * graphite-ppl.h (value_max): New.
2909
2910 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2911
2912         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2913         * graphite-poly.h: Fix some comments.
2914         (pdr_dim): New.
2915         (pdr_scop): New.
2916
2917 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2918
2919         * graphite-poly.h
2920         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2921         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2922         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2923         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2924         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2925         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2926         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2927         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2928         * graphite-clast-to-gimple.c: Same.
2929         * graphite-dependences.c: Same.
2930         * graphite-poly.c: Same.
2931         * graphite-sese-to-poly.c: Same.
2932
2933 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2934
2935         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2936         expressions for an IV rename, as returned by clast_to_gcc_expression.
2937         (copy_renames): Rename new_name to expr.
2938         * sese.c (debug_rename_elt): Same.
2939         (get_rename): Same.
2940         (set_rename): Same.
2941         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2942         the information from the rename map.
2943         (rename_variables_in_stmt): Same.
2944         (add_loop_exit_phis): Rename new_name to expr.
2945         (insert_loop_close_phis): Same.
2946         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2947         * sese.h (struct rename_map_elt): Rename new_name to expr.
2948         (new_rename_map_elt): Same.
2949
2950 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2951
2952         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2953         * sese.c (set_rename): Make it extern.
2954         * sese.h (set_rename): Declared.
2955
2956 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2957
2958         * graphite-poly.c (extend_scattering): Free values.
2959         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2960         Free iterators.
2961         (ppl_print_powerset_matrix): Same.
2962         * graphite-scop-detection.c (free_scops_1): New.
2963         (limit_scops): Call free_scops_1.
2964         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2965         (build_poly_dr): Free PPL coefficients.
2966         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2967
2968 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2969
2970         * graphite-dependences.c: New.
2971         * graphite-data-ref.c: Removed.
2972         * graphite-data-ref.h: Removed.
2973         * Makefile.in (graphite-data-ref.o): Removed.
2974         (graphite-dependences.o): Added.
2975         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2976         * graphite-poly.c: Same.
2977         Move the data dependence testing to graphite-dependences.c.
2978
2979 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2980
2981         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2982         from graphite_cannot_represent_loop. Code refactored.
2983         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2984
2985 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2986
2987         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2988         Cover all the testcases (not only the filtered ones).
2989
2990 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2991
2992         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2993         unnecessary check. Update comments. Move check for REAL_TYPE here.
2994         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2995         done in (stmt_simple_for_scop_p).
2996
2997 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2998
2999         * graphite.c (print_global_statistics): New.
3000         (print_graphite_scop_statistic): New.
3001         (print_graphite_statistics): New.
3002         (graphite_initialize, graphite_transform_loops): Print statistics.
3003         * graphite-scop-detection (build_scops): Print statistics.
3004         (print_graphite_scop_statistics): New.
3005         (print_graphite_statistics): New.
3006
3007 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3008
3009         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
3010         (debug_clast_name_index): Removed.
3011         (debug_clast_name_indexes_1): Removed.
3012         (debug_clast_name_indexes): Removed.
3013         (clast_name_index_elt_info): Removed.
3014         (eq_clast_name_indexes): Removed.
3015         (clast_name_to_index): Removed.
3016         (new_clast_name_index): Removed.
3017         (save_clast_name_index): Removed.
3018         (save_var_name): Moved...
3019         (init_sese_params_index): Removed.
3020         (clast_name_to_gcc): Remove use of name_tree.
3021         (initialize_cloog_names): Same.
3022         (gloog): Do not call init_sese_params_index.
3023         * graphite-sese-to-poly.c (save_var_name): ...here.
3024         (parameter_index_in_region): New.
3025         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
3026         (parameter_index_in_region): Removed.
3027         (is_parameter): Remove use of name_tree.
3028         * sese.h (struct name_tree): Removed.
3029         (struct sese): Remove use of name_tree.  New field params_names.
3030         (SESE_PARAMS_NAMES): New.
3031         (SESE_PARAMS): Remove duplicate.
3032         (parameter_index_in_region): Removed.
3033         (sese_nb_params): Remove use of name_tree.
3034         (struct clast_name_index): New.
3035         (new_clast_name_index): New.
3036         (clast_name_to_index): New.
3037         (save_clast_name_index): New.
3038         (debug_clast_name_index): New.
3039         (debug_clast_name_indexes_1): New.
3040         (debug_clast_name_indexes): New.
3041         (clast_name_index_elt_info): New.
3042         (eq_clast_name_indexes): New.
3043
3044 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3045
3046         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
3047         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
3048         (graphite_loop_normal_form): Do not pass region.  Do not
3049         initialize SESE_OLDIVS.
3050         (build_graphite_loop_normal_form): Update call to
3051         graphite_loop_normal_form.
3052         * sese.c (debug_oldivs): Removed.
3053         (new_sese): Do not initialize SESE_OLDIVS.
3054         (free_sese): Do not free SESE_OLDIVS.
3055         (oldiv_for_loop): Removed.
3056         * sese.h (struct sese): Remove old_ivs.
3057         (SESE_OLDIVS): Removed.
3058         (oldiv_for_loop): Removed.
3059
3060 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3061
3062         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
3063         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
3064         replaced by a call to newivs_to_depth_to_newiv.
3065         (clast_to_gcc_expression): Pass newivs, remove ivstack.
3066         (clast_to_gcc_expression_red): Same.
3067         (gcc_type_for_clast_expr): Same.
3068         (gcc_type_for_clast_eq): Same.
3069         (graphite_translate_clast_equation): Same.
3070         (graphite_create_guard_cond_expr): Same.
3071         (graphite_create_new_guard): Same.
3072         (graphite_create_new_loop): Same.
3073         (build_iv_mapping): Same.
3074         (translate_clast): Same.
3075         (gloog): Same.
3076         (loop_iv_stack_patch_for_consts): Removed.  *
3077         sese.c (iv_stack_entry_is_constant): Removed.
3078         (iv_stack_entry_is_iv): Removed.
3079         (loop_iv_stack_push_iv): Removed.
3080         (loop_iv_stack_insert_constant): Removed.
3081         (loop_iv_stack_pop): Removed.
3082         (loop_iv_stack_get_iv): Removed.
3083         (loop_iv_stack_get_iv_from_name): Removed.
3084         (debug_loop_iv_stack): Removed.
3085         (free_loop_iv_stack): Removed.
3086         (loop_iv_stack_remove_constants): Removed.  *
3087         sese.h (iv_stack_entry_kind): Removed.
3088         (iv_stack_entry_data_union): Removed.
3089         (iv_stack_entry_struct): Removed.
3090         (iv_stack_entry_p): Removed.
3091         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
3092         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
3093         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
3094         loop_iv_stack_pop, free_loop_iv_stack): Removed.
3095         (gbb_loop_at_index): Fix indenting.
3096         (gbb_loop_index): Removed.
3097
3098 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3099
3100         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
3101         Call clast_name_to_index.
3102
3103 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3104
3105         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
3106         do not pass params.  Get params from SESE_PARAMS.
3107         (clast_to_gcc_expression): Same.
3108         (clast_to_gcc_expression_red): Same.
3109         (gcc_type_for_clast_eq): Same.
3110         (graphite_translate_clast_equation): Same.
3111         (graphite_create_new_loop): Same.
3112         * sese.c (rename_variables_in_stmt): Fix comment.
3113
3114 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3115
3116         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
3117         newivs_index.
3118         Call save_clast_name_index.
3119         (translate_clast): Pass newivs_index.
3120         (gloog): Create and free newivs_index.
3121
3122 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3123
3124         * graphite-clast-to-gimple.c (clast_name_index): New structure.
3125         (clast_name_index_p): New type.
3126         (debug_clast_name_index): New.
3127         (debug_clast_name_indexes_1): New.
3128         (debug_clast_name_indexes): New.
3129         (clast_name_index_elt_info): New.
3130         (eq_clast_name_indexes): New.
3131         (clast_name_to_index): New.
3132         (new_clast_name_index): New.
3133         (save_clast_name_index): New.
3134         (init_sese_params_index): New.
3135         (gloog): Call init_sese_params_index.
3136         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
3137         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
3138         (free_sese): Free SESE_PARAMS_INDEX.
3139         * sese.h (struct sese): Add params_index.
3140         (SESE_PARAMS_INDEX): New.
3141
3142 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3143
3144         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
3145         (graphite_create_new_loop): Pass the newivs vector.  Push the
3146         newly created IV to newivs.
3147         (translate_clast): Pass the newivs vector.
3148         (gloog): Create and destroy the newivs vector.
3149
3150 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3151
3152         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
3153         (graphite_loop_normal_form): Initialize loop->aux with the unique
3154         IV that has been created.
3155
3156 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
3157
3158         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
3159         scev with parameters in the base part. They where forbidden
3160         exidently.
3161
3162 2009-05-11  Li Feng  <nemokingdom@gmail.com>
3163
3164         * gcc.dg/graphite/graphite.exp: Set different default
3165         compile options by file names.
3166         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
3167         * gcc.dg/graphite/id-{1-9}.c: Ditto.
3168         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
3169         * gcc.dg/graphite/scop-matmult.c: Ditto.
3170
3171 2009-05-08  Li Feng <nemokingdom@gmail.com>
3172
3173         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
3174         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
3175         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
3176         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
3177
3178 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3179
3180         * graphite-scop-detection (build_scops_1): Fix little bug introduced
3181         by final cleanup.
3182
3183 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3184
3185         * graphite-scop-detection.c (graphite_can_represent_scev): Only
3186         allow integer constant strides.
3187         (graphite_can_represent_expr): Depend on outermost_loop.
3188         (stmt_simple_memref_p, graphite_cannot_represent_loop,
3189         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
3190         build_scops_1): Same.
3191         (scopdet_basic_block_info): Same and insert layered SCoP
3192         detection.
3193         (try_generate_gimple_bb): Cleanup.
3194         (build_scops): Enable data references.
3195
3196         * gcc.dg/graphite/id-5.c: New.
3197         * gcc.dg/graphite/id-9.c: New.
3198         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
3199         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
3200
3201 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3202
3203         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
3204         that we have not yet built for this SCoP.
3205
3206 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3207
3208         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
3209         for complex numbers.
3210
3211 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3212
3213         * graphite-ppl.c: Fix build if cloog is not available.
3214
3215 2009-05-04  Li Feng  <nemokingdom@gmail.com>
3216
3217         * tree-parloops.c (loop_parallel_p): Remove construction of
3218         NITER and REDUCTION_LIST.
3219         (try_get_loop_niter): New.
3220         (try_create_reduction_list): New.
3221         (parallelize_loops): Bypass the failed checkings in autopar
3222         when can_be_parallel in loop structure is set to true.
3223
3224 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3225
3226         * gcc.dg/graphite/id-6.c: Update testcase.
3227         * gcc.dg/graphite/scop-3.c: Dito.
3228
3229 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3230
3231         * graphite-scop-detection.c (stmt_simple_for_scop_p):
3232         Enable EQ_EXPR and NE_EXPR again.
3233
3234 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3235
3236         * graphite-scop-detection.c (graphite_can_represent_scev):
3237         Add check if scev is affine multivariate.
3238         (harmful_stmt_in_bb): Check if we can represent the conditions.
3239         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
3240         harmful_stmt_in_bb.
3241         * gcc.dg/graphite/id-7.c: New.
3242
3243 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3244
3245         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
3246         Check all bbs in region, not only the bbs that are represented in
3247         GRAPHITE.
3248         (build_poly_scop): Add newline.
3249         * gcc.dg/graphite/id-8.c: New.
3250
3251 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3252
3253         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
3254         when loop initialize.
3255         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
3256         * common.opt: Declare flag_graphite_force_parallel.
3257         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
3258         loop parallel.
3259         * graphite-poly.c (apply_poly_transforms): Introduce
3260         flag_graphite_force_parallel.
3261         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
3262         * toplev.c (process_options): ditto and replace a not correctly
3263         encoded space.
3264
3265 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3266
3267         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
3268         Change the call of gbb_loop_at_index and/or gbb_loop_index due
3269         to the redefinition.
3270         (compute_cloog_iv_types_1): ditto.
3271         (build_iv_mapping): ditto.
3272         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
3273         initialization.
3274         (free_gimple_bb): Removed GBB_LOOPS related free part.
3275         (build_bb_loops): Removed.
3276         * sese.h (struct gimple_bb): Removed loops.
3277         (GBB_LOOPS): Removed.
3278         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
3279         (gbb_loop_index): ditto.
3280
3281 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3282
3283         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
3284         allow non constant strides.
3285         * gcc.dg/graphite/scop-20.c: New.
3286
3287 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3288
3289         * graphite-scop-detection.c (dot_all_scops): Fix system call
3290         return value warning.
3291         (dot_scop): Same.
3292
3293 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3294
3295         * gcc.dg/graphite/id-6.c: Fix pattern.
3296         * gcc.dg/graphite/scop-3.c: Same.
3297
3298 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3299
3300         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
3301         build_pairwise_constraint, dr_equality_constraints,
3302         build_pairwise_scheduling_equality,
3303         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3304         build_lexicographically_gt_constraint, dependence_polyhedron,
3305         graphite_legal_transform_dr, graphite_legal_transform_bb,
3306         graphite_legal_transform): New.
3307         * graphite-poly.h (graphite_legal_transform): Declared.
3308         * graphite-sese-to-poly.c (build_poly_scop): Call to
3309         graphite_legal_transform is disabled for the moment.
3310
3311 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3312
3313         * graphite-poly.h (pbb_nb_scattering_dims): New.
3314         (pbb_nb_scattering): Use it.
3315
3316 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3317
3318         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
3319         Pointset_Powerset version of ppl_insert_dimensions.
3320         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
3321
3322 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3323
3324         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
3325
3326 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3327
3328         * graphite-poly.h: Fix comment.
3329
3330 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3331
3332         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
3333
3334 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3335
3336         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
3337         statements.
3338
3339 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3340
3341         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
3342         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
3343         conditions.
3344
3345 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
3346
3347         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
3348         handle EQ_EXPR and NE_EXPR.
3349
3350 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3351
3352         * graphite-poly.h (poly_dr): Fix comment.
3353
3354 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3355             Tobias Grosser  <grosser@fim.uni-passau.de>
3356
3357         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
3358         with a zero dimension polyhedron.
3359         (find_scop_parameters): Move the call to scop_set_nb_params here.
3360         (build_loop_iteration_domains): Store in loop->aux the iteration
3361         domain polyhedron.
3362         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
3363         by any loop in scop.
3364         (build_poly_scop): Do not call scop_set_nb_params.
3365
3366 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3367             Tobias Grosser  <grosser@fim.uni-passau.de>
3368
3369         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
3370         add_condition_to_domain not GT_EXPR.
3371
3372 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3373
3374         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
3375         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
3376         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
3377         upper_bound_assign to calculate unions.
3378         * gcc.dg/graphite/id-6.c: New.
3379
3380 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3381
3382         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
3383         handle abnormal edges.
3384
3385 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3386
3387         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
3388         (free_poly_bb): Also free poly_drs.
3389         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
3390         (poly_dr): Polyhedron to Pointset_Powerset.
3391         (pdr_accessp_nb_subscripts): Same.
3392         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
3393         poly_drs.
3394
3395 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3396
3397         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
3398         names into more meaningful names.
3399
3400 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3401
3402         * gfortran.dg/graphite/interchange-1.c: New.
3403         * gfortran.dg/graphite/interchange-2.c: New.
3404
3405 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3406
3407         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
3408         the reduction_list.
3409         * tree-parloops.c (rewrite_phi_with_iv): New.
3410         (rewrite_all_phi_nodes_with_iv): New.
3411         (canonicalize_loop_ivs): Call them.
3412
3413 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3414
3415         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
3416         graphite_find_data_references_in_stmt.
3417         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
3418         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
3419
3420 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3421
3422         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
3423
3424 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3425
3426         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
3427         instead of bb_in_region.
3428         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
3429         (build_sese_conditions): Use flag_bb_in_sese.
3430         * sese.c (register_bb_in_sese): Removed.
3431         (new_sese): Remove initialization of SESE_REGION_BBS.
3432         (free_sese): Do not free SESE_REGION_BBS.
3433         * sese.h (struct sese): Remove field region_basic_blocks.
3434         (SESE_REGION_BBS): Removed.
3435         (bb_in_sese_p): Implement in function of bb_in_region.
3436
3437 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3438
3439         * graphite-scop-detection.c (limit_scops): Deal only with single exit
3440         loops.
3441
3442 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3443
3444         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
3445         and EQ_EXPR.
3446         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
3447         (add_condition_to_domain): New.
3448         (add_condition_to_pbb): New.
3449         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
3450         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
3451
3452 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3453
3454         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
3455         ppl_Pointset_Powerset.
3456         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
3457         * graphite-poly.h (poly_bb): poly_bb.domain Same.
3458         (pbb_nb_loops): Same.
3459         * graphite-sese-to-poly.c (build_loop_iteration_domains,
3460         add_conditions_to_domain): Same.
3461         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
3462         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
3463         ppl_const_Polyhedron_t.
3464         (ppl_print_powerset_matrix): New.
3465         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
3466         ppl_print_powerset_matrix): New.
3467         (ppl_print_polyhedron_matrix): Updated.
3468
3469 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3470
3471         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
3472
3473 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3474
3475         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
3476         (print_iteration_domains, debug_iteration_domain,
3477         debug_iteration_domains): New.
3478         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
3479         debug_iteration_domains): Declared.
3480         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
3481         indenting.
3482
3483 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3484             Sebastian Pop  <sebastian.pop@amd.com>
3485
3486         * graphite-poly.h (print_iteration_domain): New.
3487         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
3488         (build_sese_conditions_1, build_sese_conditions_after,
3489         build_sese_conditions_before): New.
3490         (build_sese_conditions): Rewritten.
3491
3492 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3493             Tobias Grosser  <grosser@fim.uni-passau.de>
3494
3495         Cleanup of code generation liveouts.
3496         * graphite-clast-to-gimple.c (translate_clast): Use a single
3497         rename_map instead of one per translated statement.
3498         Do not use SESE_LIVEOUT_RENAMES.
3499         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
3500         (gloog): Do not use SESE_LIVEOUT_RENAMES.
3501         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
3502         phi node of a reduction: when a loop contains a reduction used outside
3503         the loop, there should be a scalar close phi node on the exit block.
3504         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
3505         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
3506         (free_sese): Do not free them.
3507         (sese_build_liveouts_use): Do not use them.
3508         (sese_build_liveouts_bb): Same.
3509         (sese_build_liveouts): Same.
3510         (sese_insert_phis_for_liveouts): Same.
3511         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
3512         (defined_in_loop_p): New.
3513         (alive_after_loop): New.
3514         (close_phi_not_yet_inserted_p): New.
3515         (struct alep, alep_p): New.
3516         (add_loop_exit_phis): Remove from the rename_map all the names defined
3517         in the code generated loop.
3518         (insert_loop_close_phis): Traverse the rename_map passed to it.
3519         Don't use SESE_LIVEOUT_RENAMES.
3520         (default_liveout_before_guard): Renamed default_before_guard.
3521         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
3522         (graphite_copy_stmts_from_block): Do not directly call set_rename.
3523         (register_sese_liveout_renames): Removed.
3524         (copy_bb_and_scalar_dependences): Do not call it.
3525         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
3526         reduction_list.
3527         (SESE_LIVEOUT): Removed.
3528         (SESE_LIVEOUT_RENAMES): Removed.
3529         (SESE_REDUCTION_LIST): Removed.
3530         (sese_build_liveouts): Removed.
3531         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
3532         (insert_loop_close_phis): Pass a htab_t instead of a sese.
3533         (insert_guard_phis): Same.
3534         (rename_map_elt): Declare a VEC of them.
3535         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3536         trees not pointers to trees.
3537
3538         Rewrite in canonical close SSA form:
3539         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
3540         (limit_scops): Close the scop after the block containing the close phi
3541         nodes.
3542         (canonicalize_loop_closed_ssa): New.
3543         (canonicalize_loop_closed_ssa_form): New.
3544         (build_scops): Call canonicalize_loop_closed_ssa_form.
3545
3546         * graphite-sese-to-poly.c: Fix typos.
3547
3548 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3549
3550         * graphite-poly.c (print_scattering_function, print_pbb_domain):
3551         Extended.
3552         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
3553         (print_pbb): Add conditions.
3554
3555 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3556             Sebastian Pop  <sebastian.pop@amd.com>
3557
3558         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
3559         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
3560         (build_scop_bbs_1): New.
3561         (build_scop_bbs): Rewrite.
3562         * sese.h (bb_in_region): New.
3563
3564 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3565
3566         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3567         poly_drs vector.
3568         (print_scop): Style.
3569         * graphite-poly.h (poly_bb): Add drs vector.
3570         (PBB_DRS): Add accessor.
3571         * graphite-sese-to-poly.c (build_poly_dr): New.
3572         (build_pbb_drs, build_scop_drs): New.
3573         (build_poly_scop): call build_scop_drs (Disabled at the moment).
3574
3575 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3576
3577         * tree-ssa-loop.c: Include forgotten toplev.h
3578
3579 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3580
3581         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
3582         * gcc.dg/graphite/pr37883.c: Remove -floop-*
3583         * gcc.dg/graphite/pr37928.c: Same
3584         * gcc.dg/graphite/pr38409.c: Same
3585         * gcc.dg/graphite/pr38498.c: Same
3586         * gcc.dg/graphite/pr38559.c: Same
3587         * gcc.dg/graphite/pr39335.c: Same
3588         * gcc.dg/graphite/pr39335_1.c: Same
3589         * gfortran.dg/graphite/block-2.f: Same
3590         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
3591         with -floop-*.
3592
3593 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
3594
3595         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
3596         build_access_matrix, build_scop_data_accesses): Remove access function
3597         building. (We get a new version soon).
3598         (build_bb_loops, scan_tree_for_params_right_scev): Update.
3599         * sese.h (nb_loops_around_loop_in_sese): Remove.
3600         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
3601
3602 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
3603             Sebastian Pop  <sebastian.pop@amd.com>
3604
3605         * graphite-scop-detection.c (struct scopdet_info): Rename last
3606         field to exit.
3607         (scopdet_basic_block_info, build_scops_1): Don't use
3608         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
3609
3610 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
3611             Sebastian Pop  <sebastian.pop@amd.com>
3612
3613         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
3614         * sese.c (sese_build_liveouts_use): Renamed from
3615         sese_build_livein_liveouts_use. Remove liveins.
3616         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
3617         Call sese_build_liveouts_use.
3618         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
3619         Call sese_build_liveouts_bb.
3620         (new_sese, free_sese): Remove liveins.
3621         (sese_add_exit_phis_var): Deleted.
3622         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
3623         directly.
3624         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
3625
3626         * sese.h (sese): Remove num_ver and livein.
3627         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
3628
3629 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3630
3631         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
3632
3633 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3634
3635         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
3636         (build_scop_scattering): Do not use compare_prefix_loops any more.
3637         (nb_common_loops): New.
3638
3639 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3640
3641         * sese.c (get_new_name_from_old_name): Renamed get_rename.
3642         (register_old_and_new_names): Renamed set_rename.
3643
3644 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3645
3646         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
3647         of the decl from the previous commit.
3648
3649 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3650
3651         * graphite-scop-detection.c (dot_scop): New.
3652         * graphite-scop-detection.h (dot_scop): Declared.
3653
3654 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3655
3656         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
3657
3658 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3659
3660         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
3661         condition at the end of the loop.
3662         * graphite.c (graphite_initialize, graphite_finalize): Print to
3663         dump_file the compiled function.
3664         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
3665         of create_empty_loop_on_edge.
3666         (translate_clast): Update the code generation of loops for the new
3667         shape of loops.
3668         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
3669
3670 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3671
3672         Reverted the patch from 2009-03-19.
3673
3674 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3675
3676         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3677         poly_drs vector.
3678         (print_scop): Style.
3679         * graphite-poly.h (poly_bb): Add drs vector.
3680         (PBB_DRS): Add accessor.
3681         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
3682         (build_access_matrix_with_af, build_access_matrix,
3683         build_scop_data_accesses): Delete.
3684         (build_poly_dr): New.
3685         (build_pbb_drs, build_scop_drs): New.
3686         (build_poly_scop): call build_scop_drs.
3687
3688 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3689
3690         * graphite-scop-detection.c (dot_all_scops_1): Close the table
3691         once per basic block.
3692
3693 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3694
3695         * graphite-scop-detection.c (graphite_can_represent_scev): New.
3696         (graphite_can_represent_expr): Renamed from loop_affine_expr
3697         and enhanced.
3698         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
3699         (graphite_cannot_represent_loop): Add scop_entry to parameters.
3700         (scopdet_basic_block_info): Actually define entry_block.
3701         (stmt_simple_memref_p): Moved here from ...
3702
3703         * tree-data-ref.c (stmt_simple_memref_p): here.
3704         * tree-data-ref.h (stmt_simple_memref_p): Removed.
3705
3706 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3707
3708         * gcc.dg/graphite/id-4.c: New.
3709
3710 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3711
3712         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3713         (register_old_and_new_names): Update the content of the map.
3714         When there was already a rename_map_elt in the map at that
3715         location, free it.
3716         (copy_bb_and_scalar_dependences): Do rename_variables after
3717         expand_scalar_variables.
3718         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3719         of the map.  When there was already a rename_map_elt in the
3720         map at that location, free it.
3721         (translate_clast): Pass the rename_map.  Do not initialize and free
3722         a rename_map per stmt_user.
3723         (gloog): Initialize and free one rename_map and pass it to
3724         translate_clast.
3725
3726 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3727
3728         * sese.c (expand_scalar_variables_stmt,
3729         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
3730         parameter.
3731         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
3732         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
3733         the gimple_stmt_iterator of the statement to be expanded.
3734         * graphite-scop-detection.c (is_simple_operand): Do handle
3735         REALPART_EXPR.
3736
3737 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3738
3739         * graphite-scop-detection.c (is_simple_operand): Do not handle
3740         REALPART_EXPR.
3741         * gcc.dg/graphite/id-2.c: New.
3742
3743         * graphite-sese-to-poly.c (build_bb_loops,
3744         add_value_to_dim, scan_tree_for_params_right_scev,
3745         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
3746         find_params_in_bb, build_loop_iteration_domains,
3747         add_conditions_to_domain): Remove subtract.
3748
3749 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3750
3751         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
3752         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
3753         pbb_loop_at_index -> gbb_loop_at_index.
3754         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
3755         (debug_loop_vec): Delete.
3756         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
3757         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
3758         (PBB_LOOPS): Removed.
3759         (PBB_BLACK_BOX): Insert cast.
3760         (pbb_set_black_box): New setter.
3761         (pbb_loop_at_index, pbb_loop_index): Removed.
3762         (scop_set_region, scop_set_nb_params): New.
3763         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
3764         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
3765         (build_poly_scop): Use scop_set_nb_params.
3766         * sese.h (gimple_bb): Add LOOPS.
3767         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
3768
3769 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3770
3771         Revert previous commit.
3772
3773 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3774
3775         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3776         (register_old_and_new_names): Update the content of the map.
3777         When there was already a rename_map_elt in the map at that
3778         location, free it.
3779         (copy_bb_and_scalar_dependences): Do rename_variables after
3780         expand_scalar_variables.
3781         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3782         of the map.  When there was already a rename_map_elt in the
3783         map at that location, free it.
3784         (translate_clast): Pass the rename_map.  Do not initialize and free
3785         a rename_map per stmt_user.
3786         (gloog): Initialize and free one rename_map and pass it to
3787         translate_clast.
3788
3789 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3790
3791         Remove forgotten line in revert.
3792
3793 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3794
3795         Revert previous commit.
3796
3797 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3798
3799         * sese.c (register_old_and_new_names): Update the content
3800         of the map.  When there was already a rename_map_elt in the
3801         map at that location, free it.
3802         (copy_bb_and_scalar_dependences): Do rename_variables after
3803         expand_scalar_variables.
3804         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3805         of the map.  When there was already a rename_map_elt in the
3806         map at that location, free it.
3807         (translate_clast): Pass the rename_map.  Do not initialize and free
3808         a rename_map per stmt_user.
3809         (gloog): Initialize and free one rename_map and pass it to
3810         translate_clast.
3811
3812 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3813
3814         * graphite-clast-to-gimple.c (translate_clast): context_loop
3815         is never NULL.
3816
3817 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3818             Sebastian Pop  <sebastian.pop@amd.com>
3819
3820         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
3821         of the use of ppl_Polyhedron_map_space_dimensions.
3822
3823 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3824             Sebastian Pop  <sebastian.pop@amd.com>
3825
3826         * graphite-poly.c (unify_scattering_dimensions): Fix types.
3827         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
3828         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
3829         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
3830         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
3831         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
3832         pbb_nb_params): New.
3833         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
3834         nb_loops_around_pbb): Adapt return types.
3835
3836 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3837
3838         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3839         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3840         graphite-scop-detection.o, graphite-poly.o): Add
3841         more headers.
3842
3843 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3844
3845         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3846         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3847         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
3848
3849 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3850
3851         * gcc.dg/graphite/pr37485.c: Remove -floop-block
3852         * gcc.dg/graphite/pr37828.c: Same.
3853         * gcc.dg/graphite/pr37684.c: Same.
3854         * gcc.dg/graphite/block-0.c: Same.
3855         * gcc.dg/graphite/block-1.c: Same.
3856         * gcc.dg/graphite/block-2.c: Same.
3857         * gcc.dg/graphite/block-3.c: Same.
3858         * gcc.dg/graphite/block-4.c: Same.
3859         * gcc.dg/graphite/block-5.c: Same.
3860         * gcc.dg/graphite/block-6.c: Same.
3861         * gfortran.dg/graphite/pr38083.f90: Same.
3862         * gfortran.dg/graphite/block-1.f90: Same.
3863         * gfortran.dg/graphite/block-3.f90: Same.
3864         * gfortran.dg/graphite/pr37852.f90: Same.
3865         * gfortran.dg/graphite/block-4.f90: Same.
3866         * gfortran.dg/graphite/pr37980.f90: Same.
3867         * gfortran.dg/graphite/pr38953.f90: Same.
3868         * gfortran.dg/graphite/pr37857.f90: Same.
3869         * opts.c: Remove -floop-block from -O2.
3870         * graphite-poly.c: Fail if -floop-block -floop-interchange or
3871         -floop-strip-mine are used.
3872
3873 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3874             Sebastian Pop  <sebastian.pop@amd.com>
3875
3876         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
3877         dimensions.
3878         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
3879         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
3880         strip_mine_profitable_p, is_interchange_valid,
3881         graphite_trans_bb_block, graphite_trans_loop_block,
3882         graphite_trans_scop_block): Temporary removed.
3883         (extend_scattering, unify_scattering_dimensions): New.
3884         (print_scattering_function, graphite_read_transforms):
3885         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3886         (graphite_generate_scattering_fns): Removed.
3887         (apply_poly_transforms): Cleanup.
3888         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3889         (schedule_to_scattering): Moved.
3890         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
3891         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
3892         (pbb_nb_scattering): New.
3893         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3894         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
3895         Removed.
3896         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
3897         shift_poly.
3898         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3899         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
3900         -> PBB_TRANSFORMED_SCATTERING.
3901         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
3902         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
3903         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
3904         (check_poly_representation): Do not return bool.
3905         (graphite_transform_loops): Reformat.
3906         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
3907
3908 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
3909
3910         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
3911         debug_pbb_domain, debug_pbb, debug_scop): New.
3912         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
3913         debug_pbb_domain, debug_pbb, debug_scop): Declared.
3914
3915 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3916
3917         PR middle-end/39335
3918         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3919         when the type precision of the induction variable should be
3920         larger than the type precision of nit.
3921         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3922         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
3923         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3924
3925         * gcc.dg/graphite/pr39335_1.c: New.
3926         * gcc.dg/graphite/pr39335.c: New.
3927
3928 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3929
3930         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3931         SSA_NAMES not struct reduction_info.
3932
3933 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3934
3935         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
3936
3937 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3938             Tobias Grosser  <grosser@fim.uni-passau.de>
3939
3940         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
3941         (free_sese): Free SESE_REDUCTION_LIST.
3942         * sese.h (struct sese): Add field reduction_list.
3943         (SESE_REDUCTION_LIST): New.
3944         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
3945         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
3946
3947 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3948             Tobias Grosser  <grosser@fim.uni-passau.de>
3949
3950         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
3951         of loop_p.
3952
3953 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3954             Tobias Grosser  <grosser@fim.uni-passau.de>
3955
3956         * tree-parloops.c (struct brli, build_reduction_list_info,
3957         analyze_reduction_list, gather_scalar_reductions): New.
3958         (loop_parallel_p): Build a reduction list containing only
3959         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
3960         (gen_parallel_loop): Call the analysis analyze_reduction_list.
3961         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
3962         * tree-flow.h (gather_scalar_reductions): Declared.
3963
3964 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
3965
3966         PR middle-end/39308
3967         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
3968         number_of_iterations_exit from a gcc_assert.
3969
3970 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
3971             Jan Sjodin  <jan.sjodin@amd.com>
3972
3973         * output.h (graphite_out_file, graphite_in_file): Declared.
3974         * toplev.c (graphite_out_file, graphite_in_file): New.
3975         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
3976         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
3977         Don't call schedule_to_scattering.
3978         * common.opt (fgraphite-write, fgraphite-read): New.
3979         * graphite-poly.c: Include output.h.
3980         (print_scattering_function, print_scattering_functions,
3981         debug_scattering_function, debug_scattering_functions,
3982         graphite_write_transforms, graphite_read_transforms,
3983         graphite_generate_scattering_fns): New.
3984         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
3985         Call graphite_generate_scattering_fns, graphite_write_transforms,
3986         graphite_read_transforms.
3987         (new_poly_bb): Initialize PBB_SCATTERING.
3988         (free_poly_bb): Free PBB_SCATTERING.
3989         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
3990         * graphite-poly.h (struct poly_bb): Add field scattering.
3991         (PBB_SCATTERING): New.
3992         (print_scattering_function, print_scattering_functions,
3993         debug_scattering_function, debug_scattering_functions): Declared.
3994         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
3995         GMP values, not integers!
3996         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
3997         ppl_read_polyhedron_matrix): New.
3998         * graphite-ppl.h (ppl_print_polyhedron_matrix,
3999         debug_ppl_polyhedron_matrix,
4000         ppl_read_polyhedron_matrix): Declared.
4001         * Makefile.in (graphite-poly.o): Depends on output.h.
4002
4003 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4004             Tobias Grosser  <grosser@fim.uni-passau.de>
4005
4006         Revert this change:
4007         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
4008         scalar evolutions in the scop_entry->loop_father.
4009
4010 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4011             Tobias Grosser  <grosser@fim.uni-passau.de>
4012
4013         * graphite.h (ref_nb_loops): Remove declaration.
4014         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
4015         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
4016         debug_gbb): Moved to sese.h.
4017         * sese.h: As said.
4018
4019 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4020             Tobias Grosser  <grosser@fim.uni-passau.de>
4021
4022         * graphite-data-ref.[ch]: Disable.
4023
4024 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4025             Tobias Grosser  <grosser@fim.uni-passau.de>
4026
4027         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
4028         scalar evolutions in the scop_entry->loop_father.
4029
4030 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4031
4032         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
4033         (graphite_cannot_represent_loop_niter): Renamed
4034         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
4035         (limit_scops): build_sese_loop_nests does not return a bool.
4036         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
4037         * sese.c (nb_reductions_in_loop): ... from here.
4038         (graphite_loop_normal_form): ... from here.
4039         (sese_record_loop): Does not fail, so does not return a bool.
4040         (build_sese_loop_nests): Same.
4041         * sese.h (build_sese_loop_nests): Update declaration.
4042         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
4043         (build_graphite_loop_normal_form): New.
4044         (gloog): Call build_graphite_loop_normal_form.
4045         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
4046         build_sese_loop_nests.
4047
4048         * gcc.dg/graphite/id-1.c: New.
4049
4050 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4051             Tobias Grosser  <grosser@fim.uni-passau.de>
4052
4053         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
4054         The SCoP detection fix is sufficient.
4055
4056 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4057
4058         PR tree-optimization/39260
4059         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
4060         the basic block contains a condition with a real type.
4061         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
4062
4063         * gcc.dg/graphite/pr39260.c: New.
4064
4065 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4066
4067         * graphite-poly.c: Inlcude params.h.
4068         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
4069         the size of a tile.
4070         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
4071         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
4072
4073 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4074             Tobias Grosser  <grosser@fim.uni-passau.de>
4075
4076         * graphite-scop-detection.c (dot_all_scops_1,
4077         dot_all_scops): Moved here.
4078         * graphite-scop-detection.h (dot_all_scops): Declared here.
4079         * graphite.c (graphite_initialize, graphite_finalize): New.
4080         (graphite_transform_loops): Cleaned up.
4081         * sese.c (debug_oldivs): Moved here.
4082         * graphite-poly.c (graphite_apply_transformations): Renamed
4083         apply_poly_transforms.
4084         (debug_loop_vec): Moved here.
4085         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
4086         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
4087         find_scop_parameters, build_scop_iteration_domain,
4088         add_conditions_to_constraints, build_scop_canonical_schedules,
4089         build_scop_data_accesses): Now static.
4090         (build_poly_scop, check_poly_representation): New.
4091
4092 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4093
4094         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
4095         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
4096         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
4097         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
4098         scan_tree_for_params_right_scev, scan_tree_for_params_int,
4099         scan_tree_for_params, struct irp_data, dx_record_params,
4100         find_params_in_bb, find_scop_parameters, gbb_from_bb,
4101         build_loop_iteration_domains, add_conditions_to_domain,
4102         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
4103         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
4104         build_sese_conditions, add_conditions_to_constraints,
4105         build_scop_iteration_domain, build_access_matrix_with_af,
4106         build_access_matrix,
4107         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
4108
4109         * graphite-sese-to-poly.c: New.
4110         * graphite-sese-to-poly.h: New.
4111
4112         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
4113
4114 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4115
4116         * graphite.c: Split graphite code generation to a new file.
4117         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
4118         max_precision_type, clast_to_gcc_expression_red,
4119         clast_to_gcc_expression, gcc_type_for_clast_expr,
4120         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
4121         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
4122         graphite_create_new_guard, clast_get_body_of_loop,
4123         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
4124         graphite_create_new_loop, build_iv_mapping, copy_renames,
4125         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4126         compute_cloog_iv_types, free_scattering, save_var_name,
4127         initialize_cloog_names, build_scop_context, build_cloog_prog,
4128         set_cloog_options, debug_clast_stmt, scop_to_clast,
4129         print_generated_program, debug_generated_program,
4130         gloog): Moved to graphite-clast-to-gimple.c.
4131
4132         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
4133
4134         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
4135         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
4136         loop_iv_stack_pop, loop_iv_stack_get_iv,
4137         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
4138         free_loop_iv_stack, loop_iv_stack_remove_constants,
4139         debug_rename_elt, debug_rename_map_1, debug_rename_map,
4140         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
4141         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
4142         eq_ivtype_map_elts, sese_add_exit_phis_edge,
4143         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
4144         get_vdef_before_sese, sese_adjust_vphi,
4145         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
4146         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
4147         is_iv, expand_scalar_variables_ssa_name,
4148         expand_scalar_variables_expr, expand_scalar_variables_stmt,
4149         expand_scalar_variables, rename_variables, remove_condition,
4150         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
4151         add_loop_exit_phis, insert_loop_close_phis, struct igp,
4152         default_liveout_before_guard, add_guard_exit_phis,
4153         insert_guard_phis, register_old_and_new_names,
4154         graphite_copy_stmts_from_block, register_sese_liveout_renames,
4155         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
4156         if_region_set_false_region, create_if_region_on_edge,
4157         move_sese_in_condition): Moved to sese.c.
4158
4159         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
4160         if_region_exit, if_region_get_condition_block,
4161         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
4162         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
4163         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
4164         ivtype_map_elt, new_ivtype_map_elt,
4165         recompute_all_dominators): Moved to sese.h.
4166
4167         * graphite-clast-to-gimple.c: New.
4168         * graphite-clast-to-gimple.h: New.
4169         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
4170         * sese.c: Modified as said above.
4171         * sese.h: Same.
4172
4173 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4174
4175         * graphite.c: Split scop detection to a new file.
4176         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
4177         move_sd_regions, loop_affine_expr, exclude_component_ref,
4178         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
4179         graphite_cannot_represent_loop_niter, struct scopdet_info,
4180         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
4181         find_single_entry_edge, find_single_exit_edge,
4182         create_single_entry_edge, sd_region_without_exit,
4183         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
4184         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
4185         Moved to graphite-scop-detection.c.
4186
4187         * graphite-scop-detection.c: New.
4188         * graphite-scop-detection.h: New.
4189         * Makefile.in: Add new rule for graphite-scop-detection.o.
4190
4191         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
4192         tree-scalar-evolution.h.
4193         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
4194         build_sese_loop_nests): Moved here from graphite.c.
4195         (param_index): Renamed parameter_index_in_region.
4196
4197 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4198             Sebastian Pop  <sebastian.pop@amd.com>
4199
4200         * gcc.dg/graphite/block-0.c: Expected to fail now.
4201         * gcc.dg/graphite/block-1.c: Same.
4202         * gcc.dg/graphite/block-5.c: Same.
4203         * gcc.dg/graphite/block-6.c: Same.
4204
4205 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4206             Sebastian Pop  <sebastian.pop@amd.com>
4207
4208         * graphite.h: Separate from graphite_bb_p the polyhedral
4209         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
4210         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
4211         graphite-data-ref.h.
4212         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
4213         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
4214         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
4215         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
4216         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
4217         scop_nb_params): Moved to graphite-poly.h.
4218         * graphite-data-ref.c: Same.
4219         * graphite-data-ref.h: New.
4220         * graphite.c: Same.
4221         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
4222         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
4223         is_interchange_valid, graphite_trans_bb_block,
4224         graphite_trans_loop_block, scop_max_loop_depth,
4225         graphite_trans_scop_block, graphite_apply_transformations,
4226         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
4227         graphite-poly.c.
4228         * graphite-poly.h: New.
4229         * graphite-poly.c: New.
4230         * Makefile.in (OBJS-common): Add graphite-poly.o.
4231         (graphite-poly.o): New rule.
4232         * tree-data-ref.h (struct data_reference): Remove unused scop field.
4233         (DR_SCOP): Removed.
4234
4235 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4236             Tobias Grosser  <grosser@fim.uni-passau.de>
4237
4238         * graphite.c: Replace gb -> gbb.
4239         * graphite.h: Same.
4240         * graphite-data-ref.c: Same.
4241
4242 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4243             Tobias Grosser  <grosser@fim.uni-passau.de>
4244
4245         * Makefile.in (OBJS-commmon): Add sese.o.
4246         (sese.o): New.
4247         (graphite.o): Add sese.h.
4248         * graphite.c (bb_in_ss_p, loop_in_sese_p,
4249         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
4250         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
4251         Move to sese.
4252         (block_before_scop): Add missing return.
4253         (new_scop, free_scop): Remove SESE data structures.
4254         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
4255         find_scop_parameters, build_loop_iteration_domains,
4256         add_conditions_to_domain, register_scop_liveout_renames,
4257         copy_bb_and_scalar_dependences): Scop -> SESE.
4258
4259         (add_conditions_to_domain): SCoP -> SESE and remove check
4260         (scop_contains_non_iv_scalar_phi_nodes): New.
4261         (build_scop_conditions_1, build_scop_conditions): Remove check for
4262         non iv scalar phi nodes.
4263         (print_scop_statistics): New.
4264         (graphite_transform_loops): Cleanup.
4265
4266         * graphite.h: Move to sese & cleanup.
4267         * sese.c: New.
4268         * sese.h: New.
4269
4270 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4271             Tobias Grosser  <grosser@fim.uni-passau.de>
4272
4273         * graphite.c (build_scop_conditions_1): Conditions are only
4274         at the end of a basic block.
4275
4276 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4277             Tobias Grosser  <grosser@fim.uni-passau>
4278
4279         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
4280         field.
4281         (GBB_ALPHA): Removed.
4282
4283 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4284             Tobias Grosser  <grosser@fim.uni-passau.de>
4285
4286         * graphite-data-ref.c (graphite_test_dependence): Don't use
4287         GBB_DYNAMIC_SCHEDULE.
4288         * graphite.c (new_graphite_bb): Same.
4289         (free_graphite_bb): Same.
4290         (build_scop_dynamic_schedules): Removed.
4291         (graphite_transform_loops): Don't call it.
4292         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
4293         (GBB_DYNAMIC_SCHEDULE): Removed.
4294
4295 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4296             Tobias Grosser  <grosser@fim.uni-passau.de>
4297
4298         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
4299         (print_graphite_bb): Same.
4300         (build_cloog_prog): Same.
4301
4302 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4303             Tobias Grosser  <grosser@fim.uni-passau.de>
4304
4305         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
4306
4307 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4308             Tobias Grosser  <grosser@fim.uni-passau.de>
4309
4310         * graphite.c (build_scop_context): Don't use CloogMatrix.
4311         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
4312         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
4313
4314 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4315             Tobias Grosser  <grosser@fim.uni-passau.de>
4316
4317         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
4318         liveout_renames, add_params fields...
4319         (struct sese): ... here.
4320         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
4321         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
4322
4323 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4324             Tobias Grosser  <grosser@fim.uni-passau.de>
4325
4326         * graphite.c (print_scop): Do not print the CLooG program.
4327         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
4328         build_cloog_prog, gloog): Don't use SCOP_PROG.
4329         (find_transform): Renamed scop_to_clast.
4330         (print_generated_program, debug_generated_program): New.
4331         (graphite_transform_loops): Adapt to new interface.
4332         * graphite.h (struct scop): Remove program field.
4333         (SCOP_PROG): Removed.
4334         (print_generated_program, debug_generated_program): Declared.
4335
4336 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4337
4338         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
4339         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
4340         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
4341         free_graphite_bb, build_scop_canonical_schedules,
4342         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
4343         schedules are now represented using a ppl_Linear_Expression_t.
4344         * graphite.h (struct graphite_bb): Same.
4345         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
4346         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
4347
4348 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
4349
4350         * graphite.c: Free local memory.
4351         * graphite-ppl.c: Same.
4352
4353 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
4354
4355         * graphite.c (const_column_index, get_first_matching_sign_row_index,
4356         get_lower_bound_row, get_upper_bound_row, copy_constraint,
4357         swap_constraint_variables, scale_constraint_variable): Removed.
4358         (graphite_trans_bb_strip_mine): Remove pong.
4359         * graphite-ppl.c: Include missing header files.
4360         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
4361         * graphite-ppl.h (ppl_strip_loop): Declared.
4362         * Makefile.in (graphite-ppl.o): Adjust dependences.
4363
4364 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
4365
4366         * graphite.c (build_loop_iteration_domains): Remove ping pong.
4367         (build_scop_iteration_domain): Same.
4368
4369 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
4370
4371         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4372         ping pong.
4373         (add_value_to_dim, scan_tree_for_params_right_scev,
4374         scan_tree_for_params_int): New.
4375         * graphite-ppl.c (oppose_constraint): New.
4376         (insert_constraint_into_matrix): Implement missing cases.
4377         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4378
4379 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
4380
4381         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4382         use ppl_move_dimension.
4383
4384 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
4385
4386         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
4387         * graphite.c: Same.
4388         * graphite.h: Same.
4389         * graphite-ppl.c: Same.
4390         * graphite-ppl.h: Same.
4391
4392 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
4393
4394         Revert last 3 commits.
4395
4396 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4397
4398         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4399         ping pong.
4400         (add_value_to_dim, scan_tree_for_params_right_scev,
4401         scan_tree_for_params_int): New.
4402         * graphite-ppl.c (oppose_constraint): New.
4403         (insert_constraint_into_matrix): Implement missing cases.
4404         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4405
4406 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4407
4408         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
4409
4410 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4411             Tobias Grosser  <grosser@fim.uni-passau.de>
4412
4413         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4414         use ppl_move_dimension.
4415         * graphite-ppl.c (ppl_move_dimension): New.
4416         * graphite-ppl.h (ppl_move_dimension): Declared.
4417
4418 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4419
4420         * graphite.c: Do not include cloog/cloog.h.
4421         (print_graphite_bb): Remove ping pong, call PPL print function.
4422
4423 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4424
4425         * Makefile.in (OBJS-common): Add graphite-ppl.o.
4426         (graphite.o): Add dependence on graphite-ppl.h.
4427         (graphite-ppl.o): New.
4428         (graphite-data-ref.c): Ping pong between PPL data structures
4429         and matrices.
4430         * graphite-ppl.c: New.
4431         * graphite-ppl.h: New.
4432         * graphite.c: Include graphite-ppl.h.
4433         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
4434         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
4435         Ping pong between PPL data structures and matrices.
4436         (new_graphite_bb): Create a PPL constraint system.
4437         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
4438         (build_loop_iteration_domains): Use PPL functions.
4439         * graphite.h: Include graphite-ppl.h.  Fix comments.
4440         (graphite_bb): Use a ppl_Constraint_System_t instead of
4441         CloogMatrix for representing the domain.
4442         (scop): Remove static_schedule.
4443         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
4444
4445 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
4446
4447         * graphite.c: Fix some comments.
4448
4449 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
4450
4451         PR middle-end/38953
4452         * graphite.c (if_region_set_false_region): After moving a region
4453         in the false branch of a condition, remove the empty dummy
4454         basic block.
4455         (gloog): Remove wrong fix for PR38953.
4456
4457 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4458
4459         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4460         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4461         register_bb_in_sese, new_sese, free_sese): Moved.
4462         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4463         outermost_loop_in_scop, build_scop_iteration_domain,
4464         expand_scalar_variables_ssa_name, get_vdef_before_scop,
4465         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4466         Use loop_in_sese_p instead of loop_in_scop_p.
4467         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
4468         (free_scop): Do not free SCOP_BBS_B.
4469         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
4470         ref_nb_loops): Moved here...
4471         * graphite.h (ref_nb_loops): ... from here.
4472         (struct scop): Remove bbs_b bitmap.
4473         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4474         * gcc.dg/graphite/scop-19.c: New
4475
4476 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4477
4478         * graphite.c (scopdet_basic_block_info): Fix bug in scop
4479         detection.
4480
4481 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4482
4483         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4484         eq_loop_to_cloog_loop): Remove.
4485         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
4486         * graphite.h (struct scop): Remove loop2cloog_loop.
4487         (loop_domain_dim, loop_iteration_vector_dim): Remove.
4488
4489 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4490
4491         * opts.c (decode_options): Only add graphite options to O2
4492         if we compile with graphite enabled.
4493
4494 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4495
4496         * Merge from mainline (r143163:143684).
4497
4498 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4499
4500         * graphite.c (debug_value): Removed.
4501         * graphite.h (debug_value): Removed.
4502
4503 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4504
4505         * passes.c (init_optimization_passes): Do not call pass_copy_prop
4506         after graphite: pass_copy_prop does not maintain a proper loop closed
4507         SSA form.  pass_copy_prop should be fixed.
4508
4509 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4510
4511         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
4512
4513 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4514
4515         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4516         (gloog): Split the exit of the scop when the scop exit is a loop exit.
4517         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4518         changed the CFG.
4519
4520 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
4521
4522         * graphite.c (gloog): Return true when code gen succeeded.
4523         (graphite_transform_loops): Do not call cleanup_tree_cfg if
4524         the code of the function did not changed.  After cleanup_tree_cfg
4525         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
4526         form.
4527
4528 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
4529
4530         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4531         gimple_call_lhs is NULL.
4532
4533 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4534             Tobias Grosser  <tobi.grosser@amd.com>
4535
4536         * graphite.c (graphite_trans_scop_block): Do not block single
4537         nested loops.
4538
4539 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4540             Tobias Grosser  <tobi.grosser@amd.com>
4541
4542         * graphite.c (build_scop_canonical_schedules): Start schedules at
4543         zero.
4544
4545 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4546             Tobias Grosser  <tobi.grosser@amd.com>
4547
4548         * graphite.c (compare_prefix_loops): New.
4549         (build_scop_canonical_schedules): Rewritten.
4550         (graphite_transform_loops): Move build_scop_canonical_schedules
4551         after build_scop_iteration_domain.
4552
4553 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4554             Tobias Grosser  <tobi.grosser@amd.com>
4555
4556         * graphite.c (add_conditions_to_domain): Add the loops to
4557         the dimension of the iteration domain.  Do copy the domain
4558         only when it exists.
4559         (build_scop_conditions_1): Do not call add_conditions_to_domain.
4560         (add_conditions_to_constraints): New.
4561         (can_generate_code_stmt, can_generate_code): Removed.
4562         (gloog): Do not call can_generate_code.
4563         (graphite_transform_loops): Call add_conditions_to_constraints
4564         after building the iteration domain.
4565
4566 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4567             Tobias Grosser  <tobi.grosser@amd.com>
4568             Jan Sjodin  <jan.sjodin@amd.com>
4569
4570         * graphite.c (scan_tree_for_params): On substractions negate
4571         all the coefficients of the term.
4572         (clast_to_gcc_expression_red): New.  Handle reduction expressions
4573         of more than two operands.
4574         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
4575         (get_vdef_before_scop): Handle also the case of default definitions.
4576
4577 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4578
4579         PR middle-end/38431
4580         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
4581         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
4582         (gloog): Do not call cleanup_tree_cfg.
4583         (graphite_transform_loops): Call cleanup_tree_cfg after all
4584         scops have been code generated.
4585
4586 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4587
4588         * passes.c (init_optimization_passes): Schedule after
4589         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
4590
4591 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4592
4593         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
4594         Fix comment.
4595         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
4596         Set the type of an expression to the type of its assign statement.
4597         (expand_scalar_variables_expr):  Do not pass loop_p.
4598         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
4599         (copy_bb_and_scalar_dependences): Do not pass loop_p.
4600         (translate_clast): Update call to copy_bb_and_scalar_dependences.
4601
4602 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4603
4604         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
4605         an expression to the gimple_expr_type of its assign statement.
4606         (expand_scalar_variables_expr): Stop recursion on tcc_constant
4607         or tcc_declaration.
4608
4609 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4610
4611         PR tree-optimization/38786
4612         * gcc.dg/graphite/pr38786.c: New.
4613         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
4614         the SSA_NAME case of expand_scalar_variables_expr.
4615         (expand_scalar_variables_expr): Also gather the scalar computation
4616         used to index the memory access.
4617         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
4618         the gimple_stmt_iterator where it inserts new code.
4619
4620 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4621
4622         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
4623
4624 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4625
4626         * opts.c (decode_options): Enable flag_graphite_identity and
4627         flag_loop_block in -O2 and above.
4628
4629 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4630
4631         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
4632         Fix merge problem: replace with the file from trunk.
4633
4634 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4635
4636         * Merge from mainline (r141727:143163).
4637
4638 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
4639             Jan Sjodin  <jan.sjodin@amd.com>
4640
4641         PR tree-optimization/38559
4642         * gcc.dg/graphite/pr38559.c: New.
4643
4644         * graphite.c (debug_value, copy_constraint,
4645         swap_constraint_variables, scale_constraint_variable, ): New.
4646         (get_lower_bound, get_upper_bound): Removed.
4647         (graphite_trans_bb_strip_mine): Clean up this code that works
4648         only for constant number of iterations.  Fully copy upper and
4649         lower bound constraints, not only the constant part of them.
4650         * graphite.h (debug_value): Declared.
4651
4652 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
4653
4654         PR tree-optimization/38492
4655         PR tree-optimization/38498
4656         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4657         * tree-chrec.h (scev_is_linear_expression): Declared.
4658         * graphite.c (graphite_cannot_represent_loop_niter): New.
4659         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4660         (graphite_loop_normal_form): Use gcc_assert.
4661         (scan_tree_for_params): Use CASE_CONVERT.
4662         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4663         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4664         Use gcc_assert.  Discard scops that contain unhandled cases.
4665         (build_scop_conditions): Return a boolean status for unhandled cases.
4666         (strip_mine_profitable_p): Print the loop number, not its depth.
4667         (is_interchange_valid): Pass the depth of the loop nest, don't
4668         recompute it wrongly.
4669         (graphite_trans_bb_block): Same.
4670         (graphite_trans_bb_block): Print tentative of loop blocking.
4671         (graphite_trans_scop_block): Do not print that the loop has been
4672         blocked.
4673         (graphite_transform_loops): Do not handle scops that contain condition
4674         scalar phi nodes.
4675
4676         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
4677         in trunk.
4678         * gcc.dg/graphite/block-0.c: Update test.
4679         * gcc.dg/graphite/block-1.c: Same.
4680         * gcc.dg/graphite/block-2.c: Remove xfail and test for
4681         blocking.
4682         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
4683         * gcc.dg/graphite/block-3.c: New.
4684         * gcc.dg/graphite/pr38498.c: New.
4685
4686 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
4687
4688         PR tree-optimization/38510
4689         * gcc.dg/graphite/pr38510.c: New.
4690         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4691           (translate_clast): Call recompute_all_dominators before
4692           graphite_verify.
4693           (gloog): Call recompute_all_dominators before graphite_verify.
4694
4695 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
4696
4697         PR tree-optimization/38492
4698         * graphite.c (rename_map_elt, debug_rename_elt,
4699         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4700         rename_map_elt_info, eq_rename_map_elts,
4701         get_new_name_from_old_name, bb_in_sese_p): Moved around.
4702         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4703         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4704         (sese_build_livein_liveouts): New.
4705         (new_sese, free_sese): New.
4706         (new_scop): Call new_sese.
4707         (free_scop): Call free_sese.
4708         (rename_variables_from_edge, rename_phis_end_scop): Removed.
4709         (register_old_new_names): Renamed register_old_and_new_names.
4710         (register_scop_liveout_renames, add_loop_exit_phis,
4711         insert_loop_close_phis, struct igp,
4712         default_liveout_before_guard, add_guard_exit_phis,
4713         insert_guard_phis, copy_renames): New.
4714         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4715         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4716         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4717         (scop_adjust_phis_for_liveouts): New.
4718         (gloog): Call scop_adjust_phis_for_liveouts.
4719
4720         * graphite.h (struct sese): Documented.  Added fields liveout,
4721         num_ver and livein.
4722         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4723         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4724         (struct scop): Added field liveout_renames.
4725         (SCOP_LIVEOUT_RENAMES): New.
4726
4727 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4728
4729         PR tree-optimization/38409
4730         * gcc.dg/graphite/pr38409.c: New.
4731         * graphite.c (nb_reductions_in_loop): Use simple_iv.
4732
4733 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4734
4735         * graphite.c (gcc_type_for_cloog_iv): By default return
4736         integer_type_node.
4737         (graphite_create_new_loop): Don't fold_convert the already
4738         fold_convert-ed expression.
4739
4740 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
4741
4742         PR tree-optimization/38446
4743         * gcc.dg/graphite/pr38446.c: New.
4744         * graphite.c (register_bb_in_sese): New.
4745         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
4746         looking at the bbs in the region.
4747         * graphite.h (sese): Add region_basic_blocks pointer set to
4748         structure and initialize at the time of defining new scop.
4749
4750 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4751
4752         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
4753         (find_params_in_bb): Do not free data refs.
4754         (free_graphite_bb): Add FIXME on disabled free_data_refs.
4755
4756 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4757
4758         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
4759         * gcc.dg/graphite/scop-17.c: Same.
4760         * gcc.dg/graphite/block-5.c: New.
4761         * gcc.dg/graphite/block-6.c: New.
4762         * gcc.dg/graphite/pr37485.c: Clean dump file after.
4763         * gcc.dg/graphite/pr37684.c: Same.
4764         * gcc.dg/graphite/block-2.c: Same.
4765
4766         * graphite.c (struct ivtype_map_elt): New.
4767         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
4768         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
4769         gcc_type_for_cloog_iv): New.
4770         (loop_iv_stack_patch_for_consts): Use the type of the induction
4771         variable from the original loop, except for the automatically
4772         generated loops, i.e., in the case of a strip-mined loop, in
4773         which case there is no original loop: in that case just use
4774         integer_type_node.
4775         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
4776         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
4777         (clast_name_to_gcc): Accept params to be NULL.
4778         (clast_to_gcc_expression): Take an extra parameter for the type.
4779         Convert to that type all the expressions built by this function.
4780         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
4781         (graphite_translate_clast_equation): Compute the type of the
4782         clast_equation before translating its LHS and RHS.
4783         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
4784         (graphite_create_new_loop): Compute the type of the induction
4785         variable before translating the lower and upper bounds and before
4786         creating the induction variable.
4787         (rename_variables_from_edge, rename_phis_end_scop): New.
4788         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
4789         (sese_add_exit_phis_edge): Do not use integer_zero_node.
4790         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4791         compute_cloog_iv_types): New.
4792         (gloog): Call compute_cloog_iv_types before starting the
4793         translation of the clast.
4794
4795         * graphite.h (struct graphite_bb): New field cloog_iv_types.
4796         (GBB_CLOOG_IV_TYPES): New.
4797         (debug_ivtype_map): Declared.
4798         (oldiv_for_loop): New.
4799
4800 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4801
4802         PR middle-end/38459
4803         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
4804         (param_index): Assert if parameter is not know after parameter
4805         detection.
4806         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
4807         (find_scop_parameters): Mark, that we have finished parameter
4808         detection.
4809         (graphite_transform_loops): Move condition detection before parameter
4810         detection.
4811         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
4812         * gfortran.dg/graphite/pr38459.f90: New.
4813
4814 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4815
4816         * graphite.c (graphite_transform_loops): Always call find_transform ()
4817         in ENABLE_CHECKING.  So we test these code paths, even if we do not
4818         generate code.
4819
4820 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4821
4822         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
4823         (print_scop): Ditto.
4824
4825 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4826
4827         PR middle-end/38084
4828         Fix gfortran.dg/graphite/id-3.f90.
4829         * graphite.c (scopdet_basic_block_info): Fix bug that found some
4830         regions more than once.
4831
4832 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4833
4834         Fix gfortran.dg/graphite/id-4.f90.
4835         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
4836         when not needed.
4837
4838 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4839
4840         Fix gfortran.dg/graphite/id-1.f90.
4841         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
4842         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
4843         (max_precision_type): New.
4844         (value_clast): Removed.
4845         (clast_to_gcc_expression): Be more careful to types of expressions.
4846         Use max_precision_type and update use of gmp_cst_to_tree.
4847         (graphite_translate_clast_equation): Use max_precision_type.
4848         (graphite_create_guard_cond_expr): Do not use integer_type_node,
4849         use the type of the condition.
4850         (graphite_create_new_loop): Do not use integer_type_node, use the
4851         max_precision_type of lb and ub.
4852
4853 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4854
4855         * graphite.c (build_scops_1): Initialize open_scop.exit
4856         and sinfo.last.
4857
4858 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4859
4860         * gcc.dg/graphite/pr38084.c: New.
4861         * gfortran.dg/graphite/id-1.f90: New.
4862         * gfortran.dg/graphite/id-2.f90: New.
4863         * gfortran.dg/graphite/id-3.f90: New.
4864         * gfortran.dg/graphite/id-4.f90: New.
4865         * gfortran.dg/graphite/pr37857.f90: New.
4866
4867 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4868             Jan Sjodin  <jan.sjodin@amd.com>
4869             Harsha Jagasia  <harsha.jagasia@amd.com>
4870
4871         PR middle-end/37852
4872         PR middle-end/37883
4873         PR middle-end/37928
4874         PR middle-end/37980
4875         PR middle-end/38038
4876         PR middle-end/38039
4877         PR middle-end/38073
4878         PR middle-end/38083
4879         PR middle-end/38125
4880
4881         * gcc.dg/graphite/pr38073.c: New.
4882         * gcc.dg/graphite/pr37928.c: New.
4883         * gcc.dg/graphite/pr37883.c: New.
4884         * gcc.dg/graphite/pr38125.c: New.
4885         * gfortran.dg/graphite/pr38083.f90: New.
4886         * gfortran.dg/graphite/pr37852.f90: New.
4887         * gfortran.dg/graphite/pr37980.f90: New.
4888
4889         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
4890         the number of detected scops.  Copy exact same test for loop
4891         blocking...
4892         * gcc.dg/graphite/block-1.c: Fix the number of expected
4893         loops to be blocked as reductions are not handled.
4894         * gcc.dg/graphite/block-4.c: ...here.  New.
4895
4896         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
4897         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
4898         ...here.
4899         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
4900         * Makefile.in (graphite.o): Depend on value-prof.h.
4901         (graphite.o-warn): Removed -Wno-error.
4902         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
4903         to be a NULL pointer.  Call update_stmt.  Return the newly created
4904         cannonical induction variable.
4905
4906         * graphite.h (debug_rename_map): Declared.  Fix some comments.
4907
4908         * graphite.c: Reimplement the code generation from graphite to gimple.
4909         Include value-prof.h.
4910         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
4911         (get_old_iv_from_ssa_name): Removed.
4912         (graphite_stmt_p): New.
4913         (new_graphite_bb): Test for useful statements before building a
4914         graphite statement for the basic block.
4915         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
4916         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
4917         reason.
4918         (recompute_all_dominators, graphite_verify,
4919         nb_reductions_in_loop, graphite_loop_normal_form): New.
4920         (scop_record_loop): Call graphite_loop_normal_form.
4921         (build_scop_loop_nests): Iterate over all the blocks of the
4922         function instead of relying on the incomplete information from
4923         SCOP_BBS.  Return the success of the operation.
4924         (find_params_in_bb): Use the data from GBB_DATA_REFS.
4925         (add_bb_domains): Removed.
4926         (build_loop_iteration_domains): Don't call add_bb_domains.
4927         Add the iteration domain only to the basic blocks that have been
4928         translated to graphite.
4929         (build_scop_conditions_1): Add constraints only if the basic
4930         block have been translated to graphite.
4931         (build_scop_data_accesses): Completely disabled until data
4932         dependence is correctly implemented.
4933         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
4934         (remove_all_edges_1, remove_all_edges): Removed.
4935         (get_new_name_from_old_name): New.
4936         (graphite_rename_variables_in_stmt): Renamed
4937         rename_variables_in_stmt.  Call get_new_name_from_old_name.
4938         Use replace_exp and update_stmt.
4939         (is_old_iv): Renamed is_iv.
4940         (expand_scalar_variables_stmt): Extra parameter for renaming map.
4941         Use replace_exp and update_stmt.
4942         (expand_scalar_variables_expr): Same.  Use the map to get the
4943         new names for the renaming of induction variables and for the
4944         renaming of variables after a basic block has been copied.
4945         (expand_scalar_variables): Same.
4946         (graphite_rename_variables): Renamed rename_variables.
4947         (move_phi_nodes): Removed.
4948         (get_false_edge_from_guard_bb): New.
4949         (build_iv_mapping): Do not insert the induction variable of a
4950         loop in the renaming iv map if the basic block does not belong
4951         to that loop.
4952         (register_old_new_names, graphite_copy_stmts_from_block,
4953         copy_bb_and_scalar_dependences): New.
4954         (translate_clast): Heavily reimplemented: copy basic blocks,
4955         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
4956         At each translation step call graphite_verify ensuring the
4957         consistency of the SSA, loops and dominators information.
4958         (collect_virtual_phis, find_vdef_for_var_in_bb,
4959         find_vdef_for_var_1, find_vdef_for_var,
4960         patch_phis_for_virtual_defs): Removed huge hack.
4961         (mark_old_loops, remove_dead_loops, skip_phi_defs,
4962         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
4963         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
4964         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
4965         if_region_get_condition_block, if_region_set_false_region,
4966         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
4967         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
4968         sese_add_exit_phis_edge, sese_add_exit_phis_var,
4969         rewrite_into_sese_closed_ssa): New.
4970         (gloog): Remove dead code.  Early return if code cannot be
4971         generated.  Call cleanup_tree_cfg once the scop has been code
4972         generated.
4973         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
4974         block loops with less than two loops.
4975         (graphite_apply_transformations): Remove the call to
4976         scop_remove_ignoreable_gbbs.
4977         (limit_scops): When build_scop_loop_nests fails, continue on
4978         the next scop.  Fix open_scop.entry.
4979         (graphite_transform_loops): Call recompute_all_dominators: force the
4980         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
4981         Call initialize_original_copy_tables and free_original_copy_tables
4982         to be able to copy basic blocks during code generation.
4983         When build_scop_loop_nests fails, continue on next scop.
4984         (value_clast): New union.
4985         (clast_to_gcc_expression): Fix type cast warning.
4986
4987 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
4988
4989         * Merge from mainline (r140838:141727).
4990
4991 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4992
4993         PR middle-end/37833
4994
4995         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
4996
4997 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4998
4999         PR middle-end/37943
5000
5001         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
5002         exits and conditions.
5003         * gcc.dg/graphite/pr37943.c: New.
5004
5005 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
5006
5007         PR middle-end/37886
5008         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
5009
5010 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
5011
5012         * doc/invoke.texi: Fix spaces.
5013
5014 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
5015
5016         PR tree-optimization/37891
5017         Reverted last commit.
5018         * graphite.c (create_single_entry_edge): Set
5019         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
5020
5021 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
5022             Mitul Thakkar  <mitul.thakkar@amd.com>
5023
5024         * graphite.c (create_single_entry_edge): Set
5025         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
5026
5027 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5028
5029         * doc/invoke.texi: Add -fgraphite-identity.
5030         * graphite.c (graphite_apply_transformations): Check for
5031         -fgraphite-identity.
5032         * toplev.c (process_options): Add flag_graphite_identity.
5033         * tree-ssa-loop.c: Add flag_graphite_identity.
5034
5035 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
5036
5037         Undo changes from 2008-10-02:
5038         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
5039         operand type when copying the operand to a variable of different type.
5040         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
5041         with the IV name after increment.
5042
5043 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
5044             Harsha Jagasia  <harsha.jagasia@amd.com>
5045
5046         PR tree-optimization/37828
5047         * gcc.dg/graphite/pr37828.c: New.
5048         * graphite.c (graphite_trans_loop_block): Do not loop block
5049         single nested loops.
5050
5051 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
5052             Sebastian Pop  <sebastian.pop@amd.com>
5053
5054         * graphite.c (struct rename_map_elt, new_rename_map_elt,
5055         rename_map_elt_info, eq_rename_map_elts): New.
5056         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
5057         (expand_scalar_variables_expr): Change parameters.
5058         (expand_scalar_variables_stmt): Same.
5059         (expand_scalar_variables): Same.
5060         (graphite_rename_ivs): Rename graphite_rename_variables.
5061         (build_iv_mapping): New.
5062         (translate_clast): Call build_iv_mapping.
5063         * graphite.h (gbb_p): New name.
5064
5065 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
5066
5067         PR tree-optimization/37684
5068         * gcc.dg/graphite/pr37684.c: New.
5069         * graphite.c (exclude_component_ref): New.
5070         (is_simple_operand): Call exclude_component_ref.
5071
5072 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
5073             Harsha Jagasia  <harsha.jagasia@amd.com>
5074
5075         PR tree-optimization/37485
5076         * gcc.dg/graphite/block-2.c: New
5077         * graphite.c (gmp_cst_to_tree): Moved.
5078         (iv_stack_entry_is_constant): New.
5079         (iv_stack_entry_is_iv): New.
5080         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
5081         (loop_iv_stack_insert_constant): New.
5082         (loop_iv_stack_pop): Use new datatpype.
5083         (loop_iv_stack_get_iv): Same.
5084         (loop_iv_stack_get_iv_from_name): Same.
5085         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
5086         (loop_iv_stack_patch_for_consts): New.
5087         (loop_iv_stack_remove_constants): New.
5088         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
5089         (translate_clast): Call loop_iv_stack_patch_for_consts and
5090         loop_iv_stack_remove_constants.
5091         (gloog): Use new datatype.  Redirect construction edge to end
5092         block to avoid accidental deletion.
5093         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
5094         iv stack entry.
5095         (union iv_stack_entry_data): New.  Data in iv stack entry.
5096         (struct iv_stack_entry): New.  Datatype for iv stack entries.
5097
5098 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5099
5100         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
5101         operand type when copying the operand to a variable of different type.
5102
5103 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5104
5105         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
5106         with the IV name after increment.
5107
5108 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5109
5110         * Merge from mainline (r140164:140838).
5111
5112 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5113
5114         * graphite-data-ref.c: New.
5115         * graphite.c (print_scop): Also dump the dependence graph.
5116         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
5117         (new_scop): Initialize SCOP_DEP_GRAPH.
5118         (build_scop_dynamic_schedules): New.
5119         (build_access_matrix_with_af): Fixed column numbering.
5120         (graphite_transform_loops): Call build_scop_dynamic_schedules.
5121         * graphite.h: Add ifndef/define guards against multiple inclusion.
5122         (struct scop): Add dep_graph field.
5123         (SCOP_DEP_GRAPH): Defined.
5124         (ref_nb_loops): Fixed and moved to other position.
5125         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
5126         (nb_loops_around_loop_in_scop): New.
5127         (graphite_dump_dependence_graph): Declared.
5128         (graphite_build_rdg_all_levels): Declared.
5129         (graphite_test_dependence): Declared.
5130         * Makefile.in (graphite-data-ref.o): New target.
5131
5132 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
5133
5134         * Merge from mainline (139870:140164).
5135
5136 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5137
5138         * Merge from mainline (138275:139870).
5139         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
5140         the commits from trunk broke the niter detection.
5141
5142 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5143
5144         * graphite.c: Add more documentation.  Fix formatting.
5145         (debug_loop_vec, debug_oldivs, loop_iv_stack,
5146         loop_iv_stack_debug): Moved...
5147         (schedule_to_scattering): Move before use.
5148         (dot_all_scops): Include in "#if 0" the code for system
5149         call dotty.
5150
5151         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
5152         loop_iv_stack_debug): ...here.
5153
5154 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
5155
5156         * tree-phinodes.c (make_phi_node): Extern.
5157         (add_phi_node_to_bb): New.
5158         (create_phi_node): Call add_phi_node_to_bb.
5159         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
5160         (remove_statement): Handle case where stored phi was updated
5161         and is no longer the same.
5162         * graphite.c (is_parameter): New.
5163         (is_old_iv): New.
5164         (expand_scalar_variables_expr): New.
5165         (expand_scalar_variables_stmt): New.
5166         (expand_scalar_variables): New.
5167         (move_phi_nodes): Create new phi instead of moving old one.
5168         (translate_clast): Call expand_scalar_variables.
5169         (find_vdef_for_var_in_bb): Also scan regular definitions.
5170         (skip_phi_defs): New.
5171         (collect_scop_exit_phi_args): New.
5172         (patch_scop_exit_phi_args): New.
5173         (gloog): Patch phis after scop.
5174         * tree-flow.h: (add_phi_node_to_bb): Declared.
5175         (make_phi_node): Declared.
5176
5177 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5178
5179         * graphite.c (end_scop): Split the entry of the scop when it
5180         is the header of the loop in which the scop is ending.
5181         (build_scops_1, limit_scops): Update uses of end_scop.
5182
5183 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5184
5185         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
5186         SCOP_ENTRY or SCOP_EXIT.
5187
5188 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5189
5190         * graphite.c (get_construction_edge): Removed.
5191         (gloog): Construction edge is the scop entry edge.
5192
5193 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5194
5195         * graphite.c (can_generate_for_scop): Removed.
5196         (gloog): Do not call it.
5197
5198 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5199
5200         * graphite.c (new_scop): Entry of a scop is an edge.
5201         Initialize SESE region.
5202         (free_scop): Free SESE region.
5203         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
5204         (split_difficult_bb): New, split from end_scop.
5205         (end_scop): Exit of a scop is an edge.
5206         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
5207         not automatically updated and thus is always wrong.
5208         * graphite.h (struct sese): New.
5209         (SESE_ENTRY): New.
5210         (SESE_EXIT): New.
5211         (struct scop): New field for a SESE region.  Remove entry, exit.
5212         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
5213         semantics as before.  Moved comment around.
5214
5215 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5216             Sebastian Pop  <sebastian.pop@amd.com>
5217
5218         * graphite.c (graphite_transform_loops): Always enable gloog
5219         and find_transform when ENABLE_CHECKING.
5220
5221 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5222
5223         * graphite.c (graphite_transform_loops): Move pretty printer
5224         of SCOPs before doing any transform.  Remove call to print_scops
5225         and dot_all_scops_1.
5226
5227 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5228
5229         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
5230         (print_graphite_bb): Same.
5231
5232 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5233
5234         * graphite.c (dot_all_scops_1): Cleanup.
5235         (move_scops): Fix comment.
5236
5237 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5238
5239         * graphite.c (build_scop_bbs): Revert commit 139355:
5240
5241         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5242                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5243
5244                 * graphite.c (build_scop_bbs): Factor up code.
5245
5246 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5247
5248         * graphite.c (gloog): Update dominator info.
5249
5250 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5251
5252         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
5253
5254 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5255
5256         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
5257         initialization.
5258         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
5259         (translate_clast): Correct formatting.
5260         * graphite.h (struct num_map): Removed.
5261         (struct graphite_bb): Remove num_map field.
5262         (GBB_INDEX_TO_NUM_MAP): Removed.
5263
5264 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5265
5266         * graphite.c (build_access_matrix_with_af): Fix comments.
5267         (build_scop_data_accesses): Same.
5268
5269 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5270
5271         * graphite.c (build_scop_data_accesses): Don't construct
5272         access matrices.  Add a FIXME and an assert condition that
5273         should pass when the access matrices will be needed.
5274
5275 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5276
5277         * tree-data-ref.c (stmt_simple_memref_p): Don't call
5278         really_constant_p.
5279         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
5280         Moved close by free_graphite_bb.
5281         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
5282         (new_scop): Move close by free_scop.
5283         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
5284
5285 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
5286
5287         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
5288         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
5289         instead of recursive call.
5290         (graphite_translate_clast_equation): New.
5291         (graphite_create_guard_cond_expr): New.
5292         (graphite_create_new_guard): New.
5293         (get_stack_index_from_iv): Removed.
5294         (graphite_rename_ivs_stmt): Use gbb_loop_index.
5295         (get_true_edge_from_guard_bb): New.
5296         (translate_clast): Handle stmt_guard in clast.
5297         (get_construction_edge): Allow construction edge detection for
5298         a scope entry with multiple predecessors if one predecessor is
5299         the immediate dominator of scope entry.
5300         (can_generate_code_stmt): Enable code generation for clast_guard.
5301         (gloog): Use correct context loop.  Removed check for post dominators.
5302         * cfgloop.h (create_empty_if_region_on_edge): Declared.
5303
5304 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5305
5306         * graphite.c (remove_dead_loops): Document better which
5307         loops are removed.
5308
5309 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5310
5311         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
5312         and PPLINC.
5313         (graphite.o): Also depends on pointer-set.h.
5314
5315 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5316
5317         * graphite.c (scop_record_loop): Fix compile warning.
5318
5319 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
5320             Sebastian Pop  <sebastian.pop@amd.com>
5321
5322         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
5323
5324 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5325
5326         * graphite.c (build_graphite_bb): Initialize bb->aux to
5327         point to the graphite_bb_p.
5328         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
5329         content of bb->aux.
5330         (add_bb_domains): Does not use the scop parameter.
5331         (graphite_transform_loops): Clean bb->aux at the end.
5332
5333 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5334             Sebastian Pop  <sebastian.pop@amd.com>
5335
5336         * lib/target-supports.exp
5337         (check_effective_target_fgraphite): New.
5338
5339         * gcc.dg/graphite/graphite.exp: Early exit when
5340         check_effective_target_fgraphite returns false.
5341         Set dg-do-what-default to compile.
5342         (scan-graphite-dump-times): Removed.
5343         * gfortran.dg/graphite/graphite.exp: Same.
5344
5345         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
5346         Use scan-tree-dump-times instead of scan-graphite-dump-times.
5347         * gcc.dg/graphite/scop-1.c: Same.
5348         * gcc.dg/graphite/scop-2.c: Same.
5349         * gcc.dg/graphite/scop-3.c: Same.
5350         * gcc.dg/graphite/scop-4.c: Same.
5351         * gcc.dg/graphite/scop-5.c: Same.
5352         * gcc.dg/graphite/scop-6.c: Same.
5353         * gcc.dg/graphite/scop-7.c: Same.
5354         * gcc.dg/graphite/scop-8.c: Same.
5355         * gcc.dg/graphite/scop-9.c: Same.
5356         * gcc.dg/graphite/scop-10.c: Same.
5357         * gcc.dg/graphite/scop-11.c: Same.
5358         * gcc.dg/graphite/scop-12.c: Same.
5359         * gcc.dg/graphite/scop-13.c: Same.
5360         * gcc.dg/graphite/scop-matmult.c: Same.
5361         * gcc.dg/graphite/scop-14.c: Same.
5362         * gcc.dg/graphite/scop-15.c: Same.
5363         * gcc.dg/graphite/block-0.c: Same.
5364         * gcc.dg/graphite/scop-16.c: Same.
5365         * gcc.dg/graphite/block-1.c: Same.
5366         * gcc.dg/graphite/scop-17.c: Same.
5367         * gcc.dg/graphite/scop-18.c: Same.
5368         * gfortran.dg/graphite/block-1.f90: Same.
5369         * gfortran.dg/graphite/scop-1.f: Same.
5370         * gfortran.dg/graphite/block-2.f: Same.
5371
5372 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5373
5374         * graphite.c: Fix some XXX comments.
5375         (build_scop_dynamic_schedules): Removed.
5376
5377 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5378
5379         * graphite.h (scop_max_loop_depth): Moved...
5380         * graphite.c (scop_max_loop_depth): ...here.
5381         (remove_all_edges_1): New.
5382         (remove_all_edges): Factored code.
5383         (remove_cond_exprs): Check only the last statement for
5384         a GIMPLE_COND expression.
5385
5386 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5387
5388         * graphite.c (scan_tree_for_params): Early return when the
5389         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
5390         (find_scop_parameters): Factor out code.
5391         (graphite_trans_bb_strip_mine): Remove dead code.
5392
5393 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5394
5395         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
5396         graphite_trans_bb_move_loop): Factor asserts.
5397         (gloog): Perform sanity checks only for ENABLE_CHECKING.
5398         Do not call calculate_dominance_info and estimate_bb_frequencies.
5399
5400 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
5401
5402         * graphite.c (create_loops_mapping, free_loops_mapping,
5403         create_loops_mapping_num, debug_loop_mapping_1,
5404         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
5405         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
5406         graphite_loops_mapping_add_child_num,
5407         graphite_loops_mapping_insert_child,
5408         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
5409         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
5410         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
5411         create_num_from_index, get_num_from_index,
5412         swap_loop_mapped_depth): Removed.
5413         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
5414         (free_scop): Do not call free_loops_mapping.
5415         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
5416         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
5417         get_loop_mapped_depth.
5418         (graphite_trans_bb_move_loop): Do not update the loop mapping.
5419         (graphite_trans_bb_strip_mine): Same.
5420         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
5421         (struct scop): Remove field loops_mapping.
5422
5423 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5424             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5425
5426         * graphite.c (scop_record_loop): Factor out one level of the
5427         condition by early return.
5428         (build_scop_loop_nests): Format following FSF coding style.
5429         (build_scop_dynamic_schedules): Factor out code.
5430         (scopdet_bb_info): Reindent.  Default case should not be reachable.
5431
5432 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5433             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5434
5435         * graphite.c (loop_affine_expr): Check for DECL_P or struct
5436         assignments that are not handled as simple operands for now.
5437
5438 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5439             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5440
5441         * graphite.c (build_scop_bbs): Factor up code.
5442
5443 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5444             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5445
5446         * graphite.c (stmt_simple_for_scop_p): Factor code out
5447         of the loop.
5448         (enum gbb_type): New.  Group all the GBB_* types under it.
5449         (is_loop_exit): Moved...
5450         (end_scop): Enable BB spliting.
5451         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
5452         * cfgloop.h (is_loop_exit): Declared.
5453
5454 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5455
5456         * doc/invoke.texi: Remove strides from examples containing
5457         DO loops when the strides are equal to 1.
5458
5459 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
5460             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5461
5462         * graphite.c (graphite_trans_scop_block): Or the result with
5463         the result from graphite_trans_loop_block.
5464         * gcc.dg/graphite/block-1.c: New.
5465         * gfortran.dg/graphite/block-1.f90: New.
5466         * gfortran.dg/graphite/block-2.f: New.
5467
5468 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5469
5470         * graphite.c (graphite_transform_loops): Call cloog_initialize
5471         and cloog_finalize.
5472
5473 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5474
5475         * tree-data-ref.c) (stmt_simple_memref_p): New.
5476         * tree-data-ref.h (stmt_simple_memref_p): Declared.
5477         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
5478         (is_simple_operand): Call stmt_simple_memref_p.
5479
5480         * gcc.dg/graphite/scop-matmult.c: Updated for not
5481         using pointer arithmetic, as this is optimized by PRE and
5482         makes the code too difficult to analyze.
5483
5484         * gcc.dg/graphite/scop-18.c: Same.
5485
5486 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5487
5488         * gdbinit.in (pgg): New.
5489
5490 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5491
5492         * graphite.c (graphite_trans_loop_block): Fix warning.
5493
5494 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5495
5496         * graphite.c (graphite_trans_loop_block): Fix my merge error.
5497
5498 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5499
5500         * graphite.c (graphite_trans_bb_block): Remove check for
5501         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
5502         Check if loop blocking is profitable for every loop, before applying
5503         the changes.
5504         (graphite_apply_transformations): Call graphite_trans_bb_block only,
5505         if flag_loop_block is set.
5506
5507 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5508
5509         * graphite.c: Add some more documentation for the loop
5510         mapping.
5511
5512 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5513
5514         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
5515         * graphite.c: Format on less than 80 columns.
5516         * graphite.h: Same.
5517
5518 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5519
5520         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
5521
5522 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5523
5524         * doc/invoke.texi (floop-block, floop-strip-mine,
5525         floop-interchange): Update documentation with examples.
5526
5527 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5528
5529         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
5530         add_referenced_var.
5531         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
5532
5533 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5534
5535         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
5536         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
5537         * tree-scalar-evolution.c: Revert useless changes.
5538         * tree-phinodes.c: Same.
5539         * cfghooks.c: Same.
5540         * vec.h: Same.
5541         * tree-vectorizer.h: Same.
5542         * tree-flow.h: Same.
5543         * tree-cfg.c: Same.
5544         * common.opt (fgraphite): Update documentation.
5545
5546 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
5547
5548         * doc/invoke.texi (-floop-block, -floop-strip-mine,
5549         -floop-interchange): Add more text for explaining what each of these
5550         flags is doing.
5551         * tree-into-ssa.c (gimple_vec): Moved to...
5552         * graphite.c: Include gimple.h.
5553         (gimple_vec): Moved to...
5554         (del_loop_to_cloog_loop): Removed.
5555         (loop_affine_expr): Do not call create_data_ref when the
5556         operand is a constant.
5557         (new_scop): Use free instead of del_loop_to_cloog_loop.
5558         * Makefile.in (graphite.o): Depend on GIMPLE_H.
5559         * gimple.h (gimple_vec): ... here.
5560
5561 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5562
5563         * graphite.c (scopdet_bb_info): Only allow loops with known number of
5564         latch executions.
5565         (build_loop_iteration_domains): Fail, if latch executions unknown.
5566
5567 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5568
5569         * graphite.c (add_conditions_to_domain): New.
5570         (build_scop_conditions_1): Call add_conditions_to_domain.
5571         (set_cloog_options): Allow to disable optimizations.
5572
5573 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5574
5575         * graphite.c (find_params_in_bb): Look for parameters in conditions.
5576         Do not use walk_dominator_tree.
5577         (find_scop_parameters): Do not use walk_dominator_tree.
5578
5579 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5580
5581         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
5582         (idx_record_params): Adapt.
5583         * graphite.h (scop_gimple_loop_depth): New.
5584
5585 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5586
5587         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
5588         (scan_tree_for_params): Remove value_init.
5589         (build_scop_context): Remove value_init.
5590         (build_loop_iteration_domains): Remove value_init.
5591         (schedule_to_scattering): Remove value_init.
5592         (graphite_trans_bb_strip_mine): Remove value_init.
5593
5594 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5595
5596         * gcc/graphite.c (limit_scops): New.
5597         (graphite_transform_loops): Add limit SCoPs.
5598         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
5599         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
5600         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
5601         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
5602         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
5603         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
5604         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
5605         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
5606         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
5607         Change loop numbers.
5608         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
5609         Change loop numbers.
5610         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
5611         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
5612         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
5613         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
5614         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
5615         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
5616         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
5617         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
5618         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
5619         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
5620
5621 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5622
5623         * graphite.c (graphite_transform_loops): Call always find_transform.
5624
5625 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5626
5627         * graphite.c (free_loops_mapping): New.
5628         (stmt_simple_for_scop_p): Fix typo.
5629         (stmt_simple_for_scop_p): Fix tuples functions, that
5630         broke polyhedron.
5631         (free_graphite_bb): Fix some memleaks.
5632         (free_scop): Fix some memleaks.
5633         (scopdet_bb_info): Do not forget some tmp SCoPs.
5634         (find_params_in_bb): Fix some memleaks.
5635         (clast_to_gcc_expression): Fix warning.
5636
5637 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5638
5639         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
5640         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
5641
5642 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5643
5644         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
5645         Move code ifdef-ed HAVE_cloog...
5646         * graphite.c: Include toplev.h.
5647         ... here.
5648         * Makefile.in (OBJS-common): Always build graphite.o.
5649         (BACKEND): Remove @GRAPHITE@.
5650         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
5651         (graphite.o): Depend on TOPLEV_H.
5652
5653 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5654
5655         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
5656         Remove typo left from polylib to ppl conversion.
5657         * graphite.c (graphite_transforms): Use sorry instead of fatal.
5658
5659 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5660
5661         * toplev.c (process_options): Move the graphite loop optimization
5662         flags...
5663         * tree-ssa-loop.c (graphite_transforms): ... here.
5664         When not configured with CLooG, print to dump_file that
5665         Graphite transforms were not performed.
5666         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
5667         New.
5668         * gcc.dg/graphite/*.c: Updated all testcases to use
5669         scan-graphite-dump-times.
5670
5671 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5672
5673         * graphite.c (dot_scop, dot_all_scops): Do not call system.
5674         Do not open /tmp/scop.dot and /tmp/allscops.dot.
5675
5676 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
5677             Jan Sjodin  <jan.sjodin@amd.com>
5678
5679         * configure: Regenerated.
5680         * omp-low.c (expand_omp_sections): Remove now unused code.
5681         * config.in (HAVE_polylib): Removed.
5682         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
5683         (PPLLIBS, PPLINC): Added.
5684         * graphite.c: Replace unsigned with int wherever possible.
5685         Don't access Cloog's data structures, but use accessor functions.
5686         Clast's stmt->type is now implemented as a vtable: change the
5687         switches of stmt->type into ifs.
5688         (polylib/polylibgmp.h): Don't include.
5689         (initialize_dependence_polyhedron,
5690         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5691         statement_precedes_p, test_dependence, build_rdg_all_levels,
5692         dump_dependence_graph): Removed until this code is cleaned up
5693         or ported to Cloog.
5694         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
5695         (POLYLIBINC): Renamed PPLINC.
5696
5697 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
5698             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5699             Jan Sjodin  <jan.sjodin@amd.com>
5700
5701         Finish the merge and tuplification of graphite.
5702
5703 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5704             Jan Sjodin  <jan.sjodin@amd.com>
5705
5706         Partial merge from mainline (138072:138275).
5707         * graphite.c still has to be tuplified.
5708
5709 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
5710
5711         * graphite.c (graphite_loops_mapping_max_loop_num): New.
5712         (create_num_from_index): New.
5713         (get_num_from_index): Also pass in the graphite BB.
5714         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
5715         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
5716         (graphite_trans_bb_strip_mine): Call create_num_from_index.
5717         (is_interchange_valid): Return false when failing.
5718         * graphite.h (struct num_map): New.
5719         (struct graphite_bb): New field num_map.
5720         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
5721
5722 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5723
5724         * graphite.c (dump_gbb_conditions): Print also conditions like
5725         "if (a)".  Remove dublicated code and use print_generic_expr ().
5726         (stmt_simple_for_scop_p): Only allow conditions we can handle
5727         {<, <=, >, >=}.
5728
5729 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5730
5731         * graphite.h (struct scop): Removed new_ivs field.
5732         (SCOP_NEWIVS): Deleted.
5733         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
5734         clast_to_gcc_expression, graphite_create_new_loop):
5735         Removed use of new_ivs.
5736
5737 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5738
5739         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
5740         create_loops_mapping_num, debug_loop_mapping_1): New.
5741         (debug_loop_mapping): Call debug_loop_mapping_1.
5742         (get_loop_mapping_for_num,
5743         graphite_loops_mapping_add_child,
5744         graphite_loops_mapping_add_child_num,
5745         graphite_loops_mapping_insert_child,
5746         graphite_loops_mapping_parent,
5747         split_loop_mapped_depth_for_num,
5748         loop_mapped_depth_split_loop): New.
5749         (increment_loop_mapped_depths): Removed.
5750         (swap_loop_mapped_depth_for_num): Reimplemented.
5751         (new_scop): Call create_loops_mapping.
5752         (scop_record_loop): Call graphite_loops_mapping_insert_child.
5753         (translate_clast): Pass the old loop father in parameter, and pass
5754         it to get_old_iv_from_ssa_name.
5755         (remove_edges_around_useless_blocks, can_generate_code_stmt,
5756         can_generate_code, can_generate_for_scop): New.
5757         (graphite_trans_bb_block): Returns false when it fails to transform.
5758         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
5759
5760 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5761
5762         Reverted all the changes related to the streamization and
5763         loop fusion.
5764         These changes are now tracked in the streamization branch.
5765
5766 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5767             Jan Sjodin  <jan.sjodin@amd.com>
5768
5769         * graphite.c (gbb_compare): Correctly constify.
5770         (gbb_can_be_ignored): Indent.
5771         (graphite_trans_scop_swap_1and2): Add legality check.
5772         Remove dead FIXMEs.
5773
5774 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5775
5776         Remove fallouts from "Reverted the Condate changes".
5777         * tree.h: Remove unused decl.
5778         * gcc.dg/tree-checker: Same.
5779         * timevar.def: Remove counter.
5780
5781 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5782
5783         * Merge from mainline (135673:138072).
5784
5785         Reverted the MIRO changes (from 2008-04-05) that are now
5786         tracked in the miro branch.
5787         * tree-bounds.c: Removed.
5788         * tree-bounds.h: Removed.
5789
5790         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
5791         are now tracked in the condate branch.
5792         * tree-check.c: Removed.
5793         * tree-match.c: Removed.
5794         * condate.y: Removed.
5795
5796 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5797
5798         * common.opt: New user flag -floop-block, -floop-strip-mine
5799         and -floop-interchange.
5800         * toplev.c (process_options): Enable -fgraphite pass if any one of the
5801         graphite loop optimization flags is turned on.
5802         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
5803         flag_loop_strip_mine and flag_loop_interchange checks before
5804         optimizations.
5805         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
5806         -floop-strip-mine and -floop-interchange.
5807         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
5808         -fgraphite.
5809         * gcc.dg/graphite/scop-16.c: Ditto.
5810         * gcc.dg/graphite/scop-17.c: Ditto.
5811         * gcc.dg/graphite/scop-18.c: Ditto.
5812
5813 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
5814             Sebastian Pop  <sebastian.pop@amd.com>
5815
5816         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
5817         (create_empty_loop_on_edge): More fixes.
5818         * tree-phinodes.c (resize_phi_node): Extern.
5819         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
5820         * cfghooks.c (update_dominator_information): New split from
5821         split_edge.
5822         * tree-vectorizer.c (rename_variables_in_bb): Extern.
5823         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
5824         successor of the function entry block.
5825
5826         * graphite.c: Include pointer-set.h.
5827         (debug_loop_mapping, increment_loop_mapped_depths,
5828         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
5829         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
5830         swap_loop_mapped_depth_for_num, get_num_from_index,
5831         swap_loop_mapped_depth, loop_iv_stack_debug,
5832         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
5833         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
5834         get_old_iv_from_ssa_name): New.
5835         (new_scop): Initialize SCOP_LOOPS_MAPPING.
5836         (free_scop): Free SCOP_LOOPS_MAPPING.
5837         (scop_record_loop): Record old ivs.
5838         (create_var_name): Removed.
5839         (initialize_cloog_names): Allocate double space in case strip mine
5840         applies to all loops once.
5841         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
5842         (clast_to_gcc_expression): Same.  Implement more clast to gimple
5843         translation.
5844         (graphite_create_new_loop): Pass in ivstack.
5845         (remove_all_edges): Pass in the construction_edge.
5846         (graphite_remove_iv): Removed.
5847         (graphite_rename_ivs, graphite_rename_ivs_stmt,
5848         remove_cond_exprs): Rewritten.
5849         (move_phi_nodes): New.
5850         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
5851         (translate_clast): Pass in ivstack.  Rewrite some cases.
5852         (set_cloog_options, debug_clast_stmt): New.
5853         (find_transform): Use set_cloog_options.
5854         (outermost_loop_layer): Removed.
5855         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
5856         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
5857         mark_old_loops, remove_dead_loops): New.
5858         (gloog): Rewritten.
5859         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
5860         (const_column_index, get_first_matching_sign_row_index,
5861         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
5862         get_upper_bound): New.
5863         (graphite_trans_bb_strip_mine): Also update the iv map.
5864
5865         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
5866         (struct name_tree): Add a loop field.
5867         (struct scop): Add a graphite_loops_mapping field.
5868         (SCOP_LOOPS_MAPPING): New.
5869         (debug_clast_stmt): Declare.
5870         * lambda.h (find_induction_var_from_exit_cond): Declare.
5871         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
5872         * cfgloop.h (update_dominators_in_loop): Removed declaration.
5873         (create_empty_loop_on_edge): Updated.
5874         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
5875         rename_variables_in_bb): Declare.
5876         * tree-cfg.c (remove_bb): Extern.
5877
5878         * gcc.dg/graphite/block-0.c: New.
5879
5880 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5881             Sebastian Pop  <sebastian.pop@amd.com>
5882
5883         * graphite.c (strip_mine_profitable_p): New.
5884         (graphite_trans_bb_block): Disable strip mining if not profitable.
5885
5886         * gcc.dg/graphite/scop-18.c: New.
5887         * gcc.dg/graphite/scop-17.c: Fixed.
5888         * gcc.dg/graphite/scop-16.c: Fixed.
5889
5890 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
5891             Jan Sjodin  <jan.sjodin@amd.com>
5892             Sebastian Pop  <sebastian.pop@amd.com>
5893
5894         * graphite.c (is_interchange_valid): New.
5895         (graphite_trans_bb_block): Check loop nest of basic block for legality
5896         of interchange.
5897
5898         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
5899         outer_most_loop, gbb_outer_most_loop_index): New.
5900
5901         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
5902         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
5903         * gcc.dg/graphite/scop-16.c: New.
5904         * gcc.dg/graphite/scop-17.c: New.
5905
5906 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5907
5908         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
5909         (graphite_trans_scop_block): Ignore SCoPs without bbs.
5910
5911 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5912
5913         * graphite.c (new_scop): Initialize SCOP_EXIT.
5914         (scopdet_info): Add.
5915         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
5916         (build_scops_1): Cleanup, bugfixes.
5917         (build_scops): Cleanup.
5918
5919         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
5920         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
5921
5922 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5923
5924         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
5925
5926         * gfortran.dg/graphite/graphite.exp: Use
5927         DEFAULT_GRAPHITE_FLAGS.
5928
5929         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
5930
5931 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5932
5933         * graphite.c (scan_tree_for_params): Do not assert any more if
5934         MULT_EXPR parameter is negative.
5935
5936         * gfortran.dg/graphite/scop-1.f: New.
5937
5938         * gfortran.dg/graphite/graphite.exp: New.
5939
5940         * gcc.dg/graphite/scop-15.c: New.
5941
5942 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5943
5944         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
5945
5946 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5947
5948         * graphite.c (graphite_trans_bb_swap_loops): Rename from
5949         graphite_swap_loops.
5950         (graphite_trans_bb_move_loop): New.
5951         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
5952         (graphite_trans_bb_block): New.
5953         (graphite_trans_loop_block): New.
5954         (graphite_trans_scop_swap_1and2): Rename from
5955         graphite_trans_swap_1and2.
5956         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
5957         (graphite_trans_scop_block): New.
5958         (graphite_apply_transformations): Rename from
5959         graphite_transformations.
5960
5961         * gcc.dg/graphite/scop-matmult.c: New.
5962
5963 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5964
5965         * graphite.c (gbb_compare): New.
5966         (graphite_sort_gbbs): New.
5967         (gbb_can_be_ignored): New.
5968         (scop_remove_ignoreable_gbbs): New.
5969         (graphite_transformations): Cleanup and add
5970         scop_remove_ignoreable_gbbs.
5971         * lambda.h (lambda_vector_compare): New.
5972
5973 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5974
5975         * graphite.c (print_graphite_bb): Correct printing of static schedule.
5976         (graphite_swap_loops): int -> unsigned
5977         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
5978         (graphite_transformations): New.
5979         (graphite_transform_loops): Move to graphite_transformations.
5980         * graphite.h (gbb_nb_loops): Return unsigned.
5981
5982 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5983
5984         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
5985         the domain matrix.  This makes scop-0.c work again.
5986
5987 2008-06-20  Richard Guenther  <rguenther@suse.de>
5988
5989         * graphite.h: Adjust copyright to GPLv3.
5990         * graphite.c: Likewise.
5991         (stmt_simple_memref_for_scop_p): Split out from ...
5992         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
5993         and simplify.
5994         (get_bb_type): Optimize.
5995         (is_pred): Remove.
5996         (is_bb_addable): Fix memleak, replace is_pred call with
5997         single_pred.
5998         (build_scops): Use current_loops.
5999         (param_index): Fix memleak.
6000
6001 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6002
6003         * graphite.c: Fix formatting.
6004
6005 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6006
6007         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
6008         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
6009         (create_var_name, save_var_name): Newly defined functions.
6010         (initialize_cloog_names): Part of the code factored out to
6011         save_var_name.
6012         (clast_to_gcc_expression): Now handles the case of clast_red_sum
6013         in clast_reduction statement.
6014         (graphite_create_new_loop): Now takes a new parameter
6015         for outer_loop.
6016         (translate_clast): Now also takes the context_loop and bb_exit
6017         parameters. Rewritten the code so that it creates a gimple code
6018         inside the given context.
6019         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
6020         remove_cond_expr, disconnect_cond_expr,
6021         disconnect_virtual_phi_nodes): Newly defined functions.
6022         * graphite.h (struct scop): added old_ivs vector.
6023         SCOP_OLDIVS: New macro.
6024
6025 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
6026
6027         * cfgloopmanip.c: Add missing function comments, fix formatting.
6028
6029 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6030
6031         * cfgloopmanip.c (update_dominators_in_loop): Defined.
6032         (create_empty_loop_on_edge): Defined.
6033         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
6034         instead of void.
6035         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
6036         (update_dominators_in_loop): Declared as extern
6037         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
6038
6039 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6040
6041         * graphite.c (print_graphite_bb): Allow changing number of loops
6042         in SCoP domain.
6043         (initialize_cloog_names): Allow changing number of loops.
6044         (build_cloog_prog): Simplify.
6045         (find_transform): Enable cloog option --strides.
6046         (graphite_swap_loops): New.
6047         (graphite_strip_mine_loop): New.
6048         (graphite_trans_swap_1and2): New.
6049         (graphite_trans_strip): New.
6050         (graphite_transform_loops): Add graphite_trans_strip.
6051         * graphite.h (scop_max_loop_depth): New.
6052
6053 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6054
6055         * graphite.c (build_scop_iteration_domain): Remove forgotten
6056         line. (Fixes compile)
6057
6058 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6059
6060         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
6061         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
6062         (build_bb_loops): New.
6063         (graphite_transform_loops): Add build_bb_loops.
6064         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
6065         numbers.
6066         * graphite.h (graphite_bb): Add loops.
6067         (gbb_nb_loops): New.
6068         (gbb_loop_at_index): New.
6069         (gbb_loop_index): New.
6070         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
6071         using nb_params_in_scop.
6072
6073 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
6074
6075         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
6076         (build_scop_canonical_schedules): Build minimized schedule.
6077         (schedule_to_scattering): Adapt to minimized schedule.
6078         * graphite.h (graphite_bb): Add/Update descriptions.
6079
6080 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
6081             Tobias Grosser  <grosser@fim.uni-passau.de>
6082
6083         * graphite.c (print_graphite_bb): Add condition printing.
6084         (dump_value): New.
6085         (dump_gbb_conditions): New.
6086         (build_scop_conditions_1): New.
6087         (build_scop_conditions): New.
6088         * graphite.h (graphite_bb): Add conditions.
6089
6090 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
6091
6092         * graphite.c (print_graphite_bb):
6093         (free_graphite_bb): New.
6094         (free_scop): Free bbs.
6095         (get_bb_type): Free doms.
6096         (build_scop_context): Free context matrix.
6097         (build_loop_iteration_domains): Remove unused code.
6098         (build_cloog_prog): Free scattering function and blocklist.
6099         (find_transform): Free options.
6100
6101 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
6102
6103         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
6104         Remove unnecessery cloog data structures. Make a copy of the domain
6105         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
6106         unnecessary cloog data structures. Fix memory leaks. Remove insert
6107         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
6108         used.
6109         (build_scop_iteration_domain): Remove unnecessary cloog
6110         data structures.  Fix memory leaks.
6111         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
6112         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
6113
6114 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6115
6116         * graphite.c (find_scop_params): Remove initialize_cloog_names.
6117
6118 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6119
6120         * graphite.c (end_scop): Style fix.
6121         (schedule_to_scattering): Style and comment fix.
6122
6123 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6124         * graphite.c (print_graphite_bb): Fix definiton of
6125         schedule_to_scattering.
6126         (initialize_cloog_names): Change nb_scattdims to max loop
6127         depth in SCoP.
6128         (schedule_to_scattering): Take parameter for number of scattering
6129         dimensions.
6130         (build_cloog_prog): Only build as much scattering dimensions as
6131         necessary.
6132
6133 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6134
6135         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
6136         in polyhedron/aermod.f90.
6137
6138 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6139             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
6140             Harsha Jagasia  <harsha.jagasia@amd.com>
6141
6142         * graphite.c (is_bb_addable): Fix segfault.
6143
6144 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6145
6146         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
6147         with multiple exits and conditional handling in edge cases.
6148         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
6149
6150         * gcc.dg/graphite/scop-14.c: New.
6151
6152 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6153             Adrien Eliche  <aeliche@isty.uvsq.fr>
6154
6155         * graphite.c (is_bb_addable): Add more comments and enhance
6156         readablity of the source code. Fix memory leak.
6157         (is_loop_exit): Fix memory leak.
6158
6159 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6160
6161         * graphite.c (first_loop_in_scop): Deleted.
6162         (setup_cloog_loop): Only walk the loop chain for inner loops.
6163         (build_scop_iteration_domain): Execute setup_cloog_loop for
6164         all loops in the first layer.
6165
6166 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6167
6168         * graphite.c (scan_tree_for_params): Change the way params are
6169         added to be indepenent of the number of loops.
6170         (setup_cloog_loop): Revert to short matrix format. Fix parameter
6171         handling.
6172         (build_cloog_prog): Revert to short matrix format.
6173
6174 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6175             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
6176
6177         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
6178         warning.
6179
6180 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6181
6182         * graphite.c (nb_data_refs_in_scop): New.
6183         (graphite_transform_loops): Print more stats: number of
6184         loops, basic blocks and data references per scop.
6185
6186 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6187             Jan Sjodin  <jan.sjodin@amd.com>
6188
6189         * graphite.c (loop_affine_expr, idx_record_params,
6190         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
6191         instead of instantiate_parameters.
6192
6193 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6194
6195         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
6196         add support for parameters, add STATIC_SCHEDULE at the right places,
6197         cleanup.
6198
6199 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6200
6201         * graphite.c (build_scop_loop_nests): Only add the loops, that
6202         are contained completely in the SCoP.
6203         (build_cloog_prog): Disable scattering, until schedule_to_scattering
6204         and the domains are fixed.
6205         (build_scop_canonical_schedules): Add support for bbs not contained
6206         in any SCoP.
6207
6208 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6209
6210         * graphite.h (scop_contains_loop): Update comments to match
6211         the actual behavior.
6212         (scop_contains_loop): New.
6213         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
6214
6215 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6216
6217         * graphite.c (get_bb_type): On function body, i.e. loop_0,
6218         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
6219         as GBB_COND_HEADER.
6220
6221 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6222             Tobias Grosser  <grosser@fim.uni-passau.de>
6223
6224         * graphite.c (graphite_transform_loops): Early return when
6225         there are no loops in the function.
6226
6227 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6228             Jan Sjodin  <jan.sjodin@amd.com>
6229
6230         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
6231         offset of the last loop.
6232         (setup_cloog_loop): Copy the entire outer constraint matrix.
6233
6234 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6235             Jan Sjodin  <jan.sjodin@amd.com>
6236
6237         * graphite.c (stmt_in_scop_p, function_parameter_p,
6238         invariant_in_scop_p): Removed.
6239         (scan_tree_for_params): Can be used with no constraint
6240         matrix for gathering parameters.
6241         (idx_record_params): Don't use idx_record_param, instead use
6242         scan_tree_for_params.
6243         (find_scop_parameters): Same.
6244         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
6245         Fix the size of loop domains.
6246         (schedule_to_scattering): Exit when the outer loop is not in scop.
6247         (find_transform): Enable build_cloog_prog.
6248
6249 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6250             Jan Sjodin  <jan.sjodin@amd.com>
6251
6252         * graphite.c (schedule_to_scattering): Make scattering domains
6253         uniformly of the same size, as required by CLooG 0.14.0 and before.
6254
6255 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6256             Jan Sjodin  <jan.sjodin@amd.com>
6257
6258         * graphite.c (schedule_to_scattering): Rewrite, correct the
6259         translation of the scheduling function to scattering.
6260         (build_cloog_prog): Call schedule_to_scattering only once.
6261         * graphite.h (scop_loop_index): Do not fail for loops not
6262         in the scop: return -1.
6263
6264 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
6265
6266         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
6267         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
6268         (setup_cloog_loop): Export GBB_DOMAIN.
6269         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
6270         able to rebuild the original control flow.
6271         * graphite.h (graphite_bb): Add domain field and access macro.
6272         (GBB_DOMAIN): New.
6273
6274 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6275
6276         * graphite.c (debug_gbb): New.
6277         (print_scop, build_graphite_bb): Use SCOP_BBS.
6278         (build_scop_bbs): Reimplemented.
6279         (dfs_bb_in_scop_p): Removed.
6280         (build_scop_loop_nests): Reorder loops inserted in
6281         SCOP_LOOP_NEST: outer loops should come first.
6282         (build_scop_canonical_schedules): Reinitialize at zero
6283         the components of the SCOP_STATIC_SCHEDULE for the loops
6284         that have already been parsed.
6285
6286         * graphite.h (debug_gbb): Declared.
6287
6288 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6289             Jan Sjodin  <jan.sjodin@amd.com>
6290
6291         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
6292         (graphite_loop_to_gcc_loop): Removed.
6293         (remove_all_edges): New.
6294         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
6295         (gloog): Remove useless code.
6296
6297 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6298
6299         * graphite.c (get_bb_type): Reworked. We distinguish between
6300         loops with one or multiple exits.
6301         (is_loop_exit): New.
6302         (is_pred): New.
6303         (is_bb_addable): Rework condition handling, now support for case
6304         case statements and loops with multiple exits.
6305
6306         * gcc.dg/graphite/scop-11.c: New.
6307         * gcc.dg/graphite/scop-12.c: New.
6308         * gcc.dg/graphite/scop-13.c: New.
6309
6310 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6311
6312         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
6313         we have too many colors.
6314
6315 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
6316
6317         * doc/invoke.texi (-ftree-loop-fusion): Document.
6318         * tree-pass.h (pass_loop_fusion): Declared.
6319         * tree-loop-fusion.c: New.
6320         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
6321         * tree-data-ref.c (find_data_references_in_loop): Make extern.
6322         * tree-data-ref.h (find_data_references_in_loop): Declared.
6323         * common.opt (ftree-loop-fusion): Declared.
6324         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
6325
6326 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
6327
6328         * graphite.c (build_access_matrix): Fix typo from the merge.
6329
6330 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
6331
6332         * Merge from mainline (130800:135673).
6333
6334 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6335
6336         * graphite.c (end_scop): The exit of the scop is not part of the scop.
6337         Update dominators after splitting.
6338
6339 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6340
6341         * graphite.c (is_bb_addable): Return the harmful statement.
6342         Factor up some code.
6343         (end_scop): New.  Splits end of scope bbs on a harmful statement.
6344         (build_scops_1): Call end_scop.
6345
6346 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6347
6348         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
6349         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
6350         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
6351         build_scops_1): Removed.
6352         (build_scops_2): Renamed build_scops_1.
6353
6354 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
6355
6356         * graphite.c: Fix formatting.
6357
6358 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6359
6360         * graphite.c (get_bb_type): New.
6361         (move_scops): New.
6362         (build_scops_2): New.
6363         (is_bb_addable): New.
6364         (build_scops): Switch the scop detection.
6365         (build_scop_bbs): Add entry bb to scop.
6366         * graphite.h (struct scop): Update comment.
6367
6368 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6369
6370         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
6371         more colors.
6372
6373 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6374
6375         * gcc.dg/graphite/scop-1.c: Update.
6376         * gcc.dg/graphite/scop-2.c: Update.
6377         * gcc.dg/graphite/scop-4.c: Update.
6378         * gcc.dg/graphite/scop-5.c: Add.
6379         * gcc.dg/graphite/scop-6.c: Add.
6380
6381 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
6382
6383         * gcc.dg/graphite/scop-0.c: Add.
6384         * gcc.dg/graphite/scop-7.c: Add.
6385         * gcc.dg/graphite/scop-8.c: Add.
6386         * gcc.dg/graphite/scop-9.c: Add.
6387         * gcc.dg/graphite/scop-10.c: Add.
6388
6389 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6390
6391         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
6392         Check affine expressions depending on the outermost loop
6393         instead of a scop.
6394         (stmt_simple_for_scop_p): Same.
6395         (harmfule_stmt_in_scop): Same.
6396
6397 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
6398
6399         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
6400         mark entry and exit, that are not part of the SCoP and update HTML
6401         formatting.
6402
6403 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
6404
6405         * graphite.c (basic_block_simple_for_scop_p): Renamed
6406         harmful_stmt_in_bb.
6407         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
6408         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
6409         (all_preds_visited_p, all_succs_visited_p,
6410         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
6411         scop_end_loop): New.
6412         (build_scops): Do not use dfs_enumerate_from.
6413
6414         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
6415
6416 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
6417
6418         * graphite.c: Add comments to functions that are missing a
6419         description.
6420         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
6421
6422 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
6423
6424         * graphite.c (nb_params_in_scop): Moved...
6425         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
6426         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
6427         (clast_to_gcc_expression): Reduce column size to less than 80.
6428         (graphite_create_iv): Return the new name of the IV.
6429         (find_transform): Set options->esp and options->cpp.
6430         (gloog): Comment out the invalidation of the old loop code.
6431         (initialize_dependence_polyhedron): Replace scop_nb_params with
6432         nb_params_in_scop.
6433
6434         * graphite.h (nb_params_in_scop): ... here.
6435         (scop_nb_params): Removed.
6436         (loop_domain_dim): Return something even when the loop was not
6437         found in the hash table: avoid ICEing on all the graphite.exp
6438         testcases.
6439
6440 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6441
6442         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
6443
6444         * graphite.c (build_scop_dynamic_schedules): Schedule is built
6445         according to nesting level.
6446         (find_scop_parameters): Call instantiate_parameters.
6447         (scan_tree_for_params): Extend it to handle general affine bounds.
6448         Inner loop bound can depend on outer loop induction variable.
6449         (setup_cloog_loop): tmp variable is allocated on stack. Call
6450         instantiate_parameters with respect to outermost_loop_in_scop.
6451         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
6452         graphite.h.
6453         (create_empty_loop): Function loopify should be given edge
6454         probability, instead of edge frequency. Dominance relation from
6455         switch_bb to loop_header.
6456         (clast_to_gcc_expression): Added handling of clast_reduction node.
6457         (gloog): New functionality for removing old loop.
6458         (test_dependence): Factored out from build_rdg_all_levels.
6459         (build_rdg_all_levels): Dependence testing factored out to
6460         test_dependence function.
6461
6462         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
6463         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
6464         from graphite.c
6465
6466 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
6467
6468         * graphite.c (free_scop, param_index, initialize_cloog_names,
6469         nb_params_in_scop): Use name_tree map instead of just a tree
6470         for keeping track of the variable name associated to that tree.
6471         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
6472         clast_to_gcc_expression, graphite_create_iv,
6473         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
6474         graphite_stmt_to_gcc_stmt): New.
6475         (gloog): Call these.
6476         * graphite.h (struct name_tree): New.
6477         (struct scop): Use name_tree instead of tree for params.
6478         Store a vector of name_tree for new_ivs.
6479         (SCOP_NEWIVS): New.
6480         (scop_nb_params): Use name_tree instead of tree.
6481
6482 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
6483             Sebastian Pop  <sebastian.pop@amd.com>
6484
6485         * tree-bounds.c: New.
6486         * tree-bounds.h: New.
6487         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
6488         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
6489         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
6490         flag_mudflap.
6491         * gcc.c: Same.
6492         * toplev.c: Same.
6493         * c-cppbuiltin.c: Same.
6494         * c-pragma.c: Same.
6495         * common.opt: Same.
6496         * varasm.c: Same.
6497         * tree-outof-ssa.c: Same.
6498         * c-common.c: Same.
6499         * Makefile.in: Same.
6500
6501 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
6502             Sebastian Pop  <sebastian.pop@amd.com>
6503
6504         * tree-loop-distribution.c (remaining_stmts,
6505         upstream_mem_writes): Removed static variables.
6506         (copy_loop_before, create_bb_after_loop,
6507         mark_nodes_having_upstream_mem_writes, free_rdg_components,
6508         rdg_build_components, rdg_build_partitions,
6509         dump_rdg_partitions): Extern.
6510         (generate_loops_for_partition, generate_code_for_partition): Do not
6511         return a bool.
6512         (already_processed_vertex_p, predecessor_has_mem_write,
6513         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
6514         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
6515         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
6516         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
6517         Pass remaining_stmts and upstream_mem_writes as parameters.
6518         (rdg_component): Moved...
6519         (build_rdg_partition_for_component): Do not aggregate components when
6520         flag_streamize_loops is set.
6521         (gen_sequential_loops): New.
6522         (ldist_gen): Call gen_sequential_loops.
6523
6524         * tree-pass.h (pass_loop_streamization): Declared.
6525
6526         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
6527         basic blocks when loops structures exist.
6528
6529         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
6530
6531         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
6532
6533         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
6534         eliminate_local_variables_stmt, eliminate_local_variables,
6535         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
6536         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
6537         of code delimited by two edges in the CFG.
6538         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
6539         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
6540         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
6541         the case of parallelisation of reductions.
6542         (create_loop_fn): Extern.
6543         (create_omp_parallel_region): New.
6544
6545         * tree-data-ref.c (dump_data_dependence_relation): Don't call
6546         dump_data_reference for printing dra and drb.
6547         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
6548         RDGE_RELATION.
6549         (build_rdg): Don't call free_dependence_relations for the moment, as
6550         we attach dependence relations on each edge of the RDG.
6551         To be fixed later.
6552
6553         * tree-data-ref.h (rdg_component): ...here.
6554         (struct rdg_edge): New field ddr_p relation.
6555         (RDGE_RELATION): New.
6556         (create_bb_after_loop, copy_loop_before,
6557         mark_nodes_having_upstream_mem_writes, rdg_build_components,
6558         rdg_build_partitions, dump_rdg_partitions,
6559         free_rdg_components): Declared.
6560
6561         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
6562         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
6563
6564         * tree-loop-streamization.c: New.
6565
6566         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
6567         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
6568
6569         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
6570
6571         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
6572
6573         * passes.c: Schedule pass_loop_streamization.
6574
6575 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
6576
6577         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
6578         update comment.
6579
6580 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6581
6582         * graphite.c (dot_all_scops): Update formatting.
6583         Bbs can now be part of more than one SCoP.
6584
6585 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
6586
6587         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
6588         malloc problems.
6589         (loop_domain_dim): Check for unregistered toplev SCOP loop.
6590         * graphite.h (loop_to_cloog_loop): New.
6591
6592 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6593
6594         * graphite.c (loop_domain_dim, ref_nb_loops,
6595         loop_iteration_vector_dim): New.
6596         (build_access_matrix_with_af, build_access_matrix,
6597         initialize_dependence_polyhedron): Fixed for new matrix layout.
6598         No longer assume that all iteration domains are of the same
6599         dimensionality.
6600
6601 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
6602
6603         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
6604         defined in a loop at depth 0 is invariant.
6605         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
6606         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
6607         be called at loop depth 0.
6608
6609         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
6610         a parameter.
6611         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
6612         (down_open_scop): Removed.
6613         (loop_in_scop_p): Redefined.
6614         (scop_affine_expr): New argument: scop.
6615         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
6616         a harmful statement ending a scop.
6617         (basic_block_simple_for_scop_p): New argument: scop.
6618         (get_loop_start): Removed.
6619         (new_scop): Initialize SCOP_LOOPS.
6620         (free_scop): Free SCOP_LOOPS.
6621         (succs_at_same_depth, preds_at_same_depth): New.
6622         (end_scop): Test the validity of a scop.
6623         (add_dominators_to_open_scops): New.
6624         (test_for_scop_bound): Call add_dominators_to_open_scops.
6625         Add cases for opening and closing multiple scops.
6626         (build_scops, build_scop_bbs): Iterate over basic blocks in
6627         depth first order.
6628         (build_graphite_bb): Pass scop directly.
6629         (dfs_bb_in_scop_p): New.
6630         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
6631         several times.
6632         (nb_loops_around_gb): Use loop_in_scop_p.
6633         (schedule_to_scattering): Disabled for the moment the code computing
6634         the "textual order for outer loop".
6635
6636         * graphite.h (struct scop): New field loops.
6637         (SCOP_LOOPS): New.
6638         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
6639
6640         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
6641
6642 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
6643             Sebastian Pop  <sebastian.pop@amd.com>
6644
6645         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
6646         * common.opt (fstreamize-loops): New.
6647         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
6648         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
6649         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
6650         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
6651
6652 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6653
6654         * tree-data-ref.c (build_empty_rdg): New.
6655         (build_rdg): Use it.
6656         * tree-data-ref.h (build_empty_rdg): Declared.
6657         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
6658         (find_vertex_for_stmt): Removed.
6659         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
6660
6661 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
6662
6663         * tree-loop-distribution.c (generate_builtin): After cancelling the
6664         loop tree, also delete basic blocks.
6665         (rdg_flag_uses): Stop recursion when a vertex has already been
6666         processed.
6667
6668 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6669
6670         * graphite.c (build_scop_alpha): Removed.
6671         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
6672         and dump_dependence_graph to avoid compiler warnings.
6673
6674 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6675
6676         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
6677         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
6678         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6679         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
6680         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
6681         (initialize_dependence_polyhedron, find_vertex_for_stmt,
6682         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6683         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
6684         dump_dependence_graph): New.
6685         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
6686         (GBB_ALPHA): New.
6687         (struct scop): New field loop2cloog_loop.
6688         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
6689         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
6690
6691 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6692
6693         * graphite.c (build_graphite_bb): Fix initialization
6694         of the graphite basic block.
6695
6696 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
6697
6698         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
6699         loop domain matrix.  Pass in the number of loops contained in the
6700         constraint matrix.
6701         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
6702         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
6703         loops that are not surrounding the current loop are not represented
6704         in the domain constraint matrix.
6705         (build_scop_iteration_domain): Initial domain constraint matrix
6706         contains only the eq/ineq, cst, and scop parameters columns.
6707
6708 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6709
6710         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
6711         (print_graphite_bb): Print scattering.
6712
6713 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6714
6715         * graphite.c (initialize_cloog_names): Initialize names of
6716         scattering variables.
6717
6718 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6719
6720         * graphite.c (dot_all_scops_1): Disable debug output while
6721         printing graph.
6722
6723 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6724
6725         * graphite.c (find_transform): Change cloog output language to C.
6726
6727 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
6728
6729         * tree-loop-distribution.c (generate_memset_zero,
6730         generate_builtin, generate_code_for_partition,
6731         rdg_flag_all_uses): New.
6732         (rdg_flag_uses): Gather in the same partition the statements defining
6733         the VUSES of the current statement.
6734         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
6735         Gather in the same partition not only the stores to the same memory
6736         access, but also the reads.
6737         (ldist_generate_loops): Renamed ldist_gen.
6738
6739 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6740             Tobias Grosser  <grosser@fmi.uni-passau.de>
6741
6742         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
6743         next pointer, don't use the inner pointer.
6744
6745 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
6746
6747         * graphite.c (dot_all_scops, dot_all_scops_1): New.
6748         (find_transform): Call dot_all_1.
6749         * graphite.h (dot_all_scops): Declared.
6750
6751 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
6752
6753         * tree-loop-distribution.c: Fix apsi.f ICE.
6754         (create_bb_after_loop): New.
6755         (generate_loops_for_partition): Use it.
6756         * gfortran.dg/ldist-1.f90: New.
6757
6758         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
6759         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
6760
6761 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6762
6763         * graphite.c (find_transform): Dump cloog program sent to cloog.
6764
6765 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6766
6767         * graphite.c (initialize_cloog_names): Initialize cloog
6768         iterator names.
6769
6770 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6771
6772         * graphite.c (build_scop_context): Fix typo, for the matrix
6773         format: insert '0 >= 0' instead of '-1 >= 0'.
6774
6775 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6776
6777         * Fix merge problems.
6778
6779 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6780
6781         * graphite.c (setup_cloog_loop): Fix typo.
6782
6783 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6784
6785         * doc/invoke.texi (-ftree-loop-distribution): Documented.
6786         * tree-loop-distribution.c: Reimplemented.
6787         * tree-pass.h (pass_loop_distribution): New.
6788         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
6789         print_loops.
6790         * graphds.h (struct graph): New field indexes.
6791         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6792
6793         * tree-vect-analyze.c: Remove declaration of static functions when not
6794         needed.
6795         * tree-vectorizer.c: Same.
6796         (rename_variables_in_loop): Now extern.
6797         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
6798         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
6799         calling redirect_edge_and_branch_force.
6800
6801         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6802
6803         * tree-data-ref.c: Don't include tree-chrec.h.
6804         (debug_data_dependence_relations): New.
6805         (dump_data_dependence_relation): Call dump_data_reference on data refs
6806         in the relation.
6807         (same_access_functions): Moved...
6808         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6809         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6810         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6811         struct rdg_vertex_info, ): New.
6812         (create_rdg_edge_for_ddr): Compute the dependence level before looking
6813         at DDR_REVERSED_P.
6814         (create_rdg_vertices): Initialize the htab of graph->indexes.
6815         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
6816         (stmts_from_loop): Don't save LABEL_EXPR.
6817         (hash_stmt_vertex_info, eq_stmt_vertex_info,
6818         hash_stmt_vertex_del): New.
6819         (build_rdg): Initialize rdg->indexes.
6820         (free_rdg, stores_from_loop, ref_base_address,
6821         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6822         have_similar_memory_accesses_1, ref_base_address_1,
6823         remove_similar_memory_refs): New.
6824
6825         * tree-data-ref.h: Include tree-chrec.h.
6826         (debug_data_dependence_relations): Declared.
6827         (same_access_functions): ...here.  Now static inline.
6828         (ddr_is_anti_dependent, ddrs_have_anti_deps,
6829         ddr_dependence_level): New.
6830         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
6831         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
6832         RDG_MEM_READS_STMT): New.
6833         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6834         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6835         rdg_vertex_for_stmt): Declared.
6836         (struct rdg_edge): New field level.
6837         (RDGE_LEVEL, free_rdg): New.
6838         (stores_from_loop, remove_similar_memory_refs,
6839         rdg_defs_used_in_other_loops_p,
6840         have_similar_memory_accesses): Declared.
6841         (rdg_has_similar_memory_accesses): New.
6842
6843         * lambda.h (dependence_level): New.
6844         * common.opt (ftree-loop-distribution): New.
6845         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
6846         (print_loop_ir): Renamed print_loops.
6847         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
6848         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
6849         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
6850         (tree-loop-distribution.o): Added.
6851         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6852         (mark_virtual_ops_in_bb): New.
6853         (print_loops_bb, debug_loop_num, debug_loop): New.
6854         * passes.c: Scheduled pass_loop_distribution.
6855
6856 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6857
6858         * graphite.c (scan_tree_for_params): Correct the number of columns
6859         for polylib format.
6860         (nb_flat_iterator): New.
6861         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
6862         (build_scop_iteration_domain): Correct the number of columns for
6863         polylib format.
6864
6865 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6866
6867         * Merge from mainline (129697:130800).
6868
6869 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
6870
6871         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
6872         dominated by SCoP's exit.
6873         (graphite_transform_loops): Compute post dominators.
6874
6875 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6876
6877         * Merge from mainline (127169:129697).
6878
6879 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6880
6881         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
6882         parameter for the basic block that contains the expression.  Use
6883         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
6884         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
6885         the expression.
6886         * graphite.h (gbb_loop): New.
6887         (GBB_LOOP): Removed.
6888
6889 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6890
6891         * Makefile.in: Fix merge problem.
6892
6893 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6894
6895         * Merge from mainline (125309:127169).
6896         * tree-loop-distribution.c: Disabled.
6897
6898 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
6899
6900         * Merge from mainline (r123693:125309).
6901
6902 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
6903
6904         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
6905         correct_modify_p
6906         (correct_modify_p, check_statements, number_of_lvalue_uses,
6907         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
6908         instead of MODIFY_EXPR.
6909         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
6910         and push new edges.
6911
6912 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
6913
6914         * tree-loop-distribution.c (struct rdg): Replace arrays by
6915         VECs for edges and vertices.
6916         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
6917         (RDGV_NB_PARTITIONS): New.
6918         (PRDG_NBV, PRDG_NBE): Removed.
6919         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
6920         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
6921         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
6922
6923 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
6924             Sebastian Pop  <sebpop@gmail.com>
6925
6926         * doc/invoke.texi (-ftree-loop-distribution): Document.
6927         * tree-loop-distribution.c: New file.
6928         * tree-pass.h (pass_loop_distribution): Declared.
6929         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6930         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
6931         and set reversed_p.
6932         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
6933         (DDR_REVERSED_P): New.
6934         * common.opt (-ftree-loop-distribution): New.
6935         * tree-flow.h (distribute_loops): Declared.
6936         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
6937         * passes.c (init_optimization_passes): Schedule loop distribution.
6938
6939 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
6940
6941         * graphite.c (print_graphite_bb): Don't call dump_data_references.
6942         (print_scop): Don't print when scop is NULL.
6943         (build_scop_context, find_transform): Don't output to stderr.
6944
6945 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
6946
6947         * tree-data-ref.c: Don't include graphite.h.
6948         Comment out the code for printing data reference's scop.
6949         (build_access_matrix_with_af): Moved...
6950         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
6951         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
6952         (print_graphite_bb): Print basic block's schedule.
6953         (print_scop): Don't print the schedule, call cloog's pretty printer.
6954         (bb_in_scop_p): A basic block is in a scop only if it is both
6955         dominated and postdominated by the scop's entry and exit basic blocks.
6956         (function_parameter_p): New.
6957         (invariant_in_scop_p): Use function_parameter_p.
6958         (new_scop, save_scop): New.
6959         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
6960         save_scop.
6961         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
6962         (loop_in_scop_p): New.
6963         (scop_record_loop): Use loop_in_scop_p.
6964         (build_scop_domain): Renamed build_scop_iteration_domain.
6965         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
6966         nb_params_in_scop, build_scop_context, first_loop_in_scop,
6967         setup_cloog_loop, dot_scop_1, dot_scop): New.
6968         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
6969         (struct scop): Add a pointer to cloog's representation of a program.
6970
6971 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6972
6973         * doc/invoke.texi (-ftree-check-verbose): Renamed
6974         -ftree-checks-verbose.
6975         * common.opt (flag_tree_check_verbose): Renamed
6976         flag_tree_checks_verbose.
6977         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
6978
6979 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6980
6981         * configure: Regenerated.
6982         * config.in: Regenerated.
6983         * tree-ssa-loop.c (graphite_transforms): Execute
6984         graphite_transform_loops only when HAVE_cloog.
6985         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
6986         * graphite.c: Include polylibgmp.h and cloog.h.
6987         (graphite_transform_loops): Removed loops parameter.
6988         * tree-flow.h (graphite_transform_loops): Update declaration.
6989         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
6990         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
6991         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
6992         (OBJS-common): Remove dependence on graphite.o.
6993         (BACKEND): Depend on @GRAPHITE@.
6994
6995 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
6996
6997         * doc/invoke.texi (-ftree-check-verbose): Documented.
6998         * gcc.dg/tree-checker/tree-checks-1.c: New.
6999         * gcc.dg/tree-checker/tree-checks-2.c: New.
7000         * gcc.dg/tree-checker/tree-checks-3.c: New.
7001         * gcc.dg/tree-checker/tree-checks-4.c: New.
7002         * gcc.dg/tree-checker/tree-checks.exp: New.
7003         * gcc.dg/tree-checker/condates.crp: New.
7004         * common.opt (ftree-checks-verbose): New.
7005         * tree-check.c (tree_check_warning): Move extra stderr output
7006         under control of flag_tree_check_verbose.
7007
7008 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
7009
7010         * tree-match.c: Fix comments formatting.
7011         * tree-match.h: Fix comments formatting.
7012         * tree-check.c: Fix comments formatting.
7013         (tree_check_init): Restructure.
7014
7015 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
7016
7017         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
7018
7019 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
7020
7021         * Merge from mainline (r120733:123693).
7022
7023 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
7024
7025         * condate.y: New file.
7026         * tree-match.h (struct patt_info_s): New field sign.
7027         (struct condate_s): New field msg.
7028         (normalize_condate, name_condate, add_condate): New.
7029         (conds[], condate_parse): Made extern.
7030         * tree-check.c (tree_check_warning): First arg changed to cond;
7031         warning reformatted.
7032         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
7033         (tree_scan): New.
7034         (tree_check): Process trivial condates.
7035         (read_delimited_string): Removed.
7036         (print_cond): Print name and msg.
7037         (conds[]): Made extern.
7038         (parse_tree_check_file_once): Rewritten to use the parser in
7039         condate.y.
7040         Processing of option --tree_check_string moved to tree_scan().
7041         * Makefile.in: Added condate.y
7042
7043 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
7044
7045         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
7046         Use VECs instead of varrays.
7047         * diagnostic.h (lazy_dump_generic_node): Update declaration.
7048         * Makefile.in (pretty-print.o): Depend on vec.h.
7049         * pretty-print.c: Include tree.h and vec.h.
7050         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
7051         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
7052         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
7053         pp_free_list): Use VECs instead of varrays.
7054         * pretty-print.h: Do not include varray.h.
7055         (struct tree_chunk_s): Declaration moved before its use.
7056         (output_buffer): Rename varray field to chunks.
7057         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
7058         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
7059         save_global_holes): Use VECs instead of varrays.
7060         * tree-match.h: Declare VECs of cfg_node, and hole_p.
7061         * tree-check.c (scan_cfg_stmts, push_node,
7062         print_matching_stmt): Removed.
7063         (tree_check_instance, push_global_holes_if_new, tree_check,
7064         execute_tree_check): Use VECs instead of varrays.
7065         (gate_tree_check): Don't execute the CFG check when basic_block_info
7066         is not available.
7067
7068 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7069
7070         * Merge from mainline (r115016:120733).
7071
7072 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7073
7074         * Merge from mainline (r117632:117661).
7075
7076 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7077
7078         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
7079         * tree-pass.h (TDF_DEBUG, debug_p): New.
7080         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
7081         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
7082         get_loop_exit_condition, analyze_evolution_in_loop,
7083         analyze_initial_condition, analyze_scalar_evolution,
7084         instantiate_parameters, number_of_latch_executions): Use debug_p.
7085         * tree-chrec.c (chrec_apply): Use debug_p.
7086         * tree-data-ref.c: Include graphite.h.
7087         (dump_data_reference): Print also the access matrix.
7088         (analyze_array, analyze_indirect_ref, init_data_ref,
7089         analyze_offset_expr, address_analysis, object_analysis,
7090         create_data_ref, finalize_ddr_dependent,
7091         non_affine_dependence_relation, analyze_ziv_subscript,
7092         analyze_siv_subscript_cst_affine,
7093         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7094         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
7095         analyze_miv_subscript, analyze_overlapping_iterations,
7096         build_classic_dist_vector, subscript_dependence_tester,
7097         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
7098         (build_access_matrix_with_af): No longer static.
7099         * tree-data-ref.h (scop_p): ... declaration here.
7100         (data_reference.scop): New field.
7101         (DR_SCOP, DR_ACCESS_MATRIX): New.
7102         (build_access_matrix_with_af, dr_num_subscripts): Declared.
7103         * graphite.c (print_graphite_bb): Call dump_data_references.
7104         (print_scop): Use scop_nb_loops and scop_dim_domain.
7105         (test_for_scop_bound): Use debug_p.
7106         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
7107         scop_nb_params.
7108         (scop_loop_index): Moved...
7109         (scop_record_loop): New.
7110         (build_scop_loop_nests): Use scop_record_loop.
7111         (build_scop_domain): Use scop_dim_domain.
7112         (build_access_matrix): Implemented.
7113         (build_scop_canonical_schedules): Use scop_nb_loops.
7114         (build_graphite_bb): Initialize GBB_SCOP.
7115         * graphite.h (scop_p): Moved...
7116         (graphite_bb.scop): New field.
7117         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
7118         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
7119         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
7120         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
7121         scop_loop_index): New.
7122         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
7123
7124 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
7125
7126         * Merge from mainline (r117661:120450).
7127
7128 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
7129
7130         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
7131         at the first declaration outside the varying loop, instantiate as
7132         far as possible.
7133         * tree-chrec.c (for_each_scev_op): New.
7134         * tree-chrec.h (for_each_scev_op): Declared.
7135         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
7136         * tree-data-ref.c (get_references_in_stmt,
7137         find_data_references_in_stmt): New, from trunk.
7138         (find_data_references_in_loop): Use get_references_in_stmt
7139         and find_data_references_in_loop, modified as in trunk.
7140         (build_access_matrix_with_af): New.
7141         * tree-data-ref.h (data_reference): Add a field access_matrix.
7142         (data_ref_loc): New, as in trunk.
7143         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
7144         invariant_in_scop_p, param_index, scan_tree_for_params,
7145         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
7146         idx_record_param, idx_record_params, build_access_matrix,
7147         build_scop_data_accesses, build_scop_canonical_schedules,
7148         build_graphite_bb, build_scop_bbs, find_params_in_bb,
7149         build_scop_params): New.
7150         * graphite.h (graphite_bb): New.
7151         (scop): Add fields static_schedule, params, loop_nest,
7152         iteration_domain.
7153         * lambda.h: Declare vecs of lambda_matrix.
7154         * tree-flow.h (print_loop_ir_bb): Declared.
7155         * tree-cfg.c (print_loop_ir_bb): New.
7156         (print_loop): Use print_loop_ir_bb.
7157
7158 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
7159
7160         * Merge from mainline (r115016:117632).
7161
7162 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
7163
7164         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
7165         break due to a warning.
7166
7167 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
7168
7169         * graphite.c (print_scops, debug_scops): New.
7170         (graphite_transform): Renamed graphite_find_transform.
7171         * graphite.h (debug_scops): Declared.
7172
7173 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
7174
7175         * tree-match.c: Reformat following the GNU style.
7176         * tree-match.h: Reformat following the GNU style.
7177         * tree-pattern.h: Removed empty file.
7178         * Makefile.in: Remove references to tree-pattern.h.
7179         * tree-check.c: Reformat following the GNU style.
7180         (execute_tree_check): Move gate condition code to...
7181         (gate_tree_check): ...here.  New function.
7182         (pass_check): Use the gate function.
7183
7184 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
7185
7186         * tree-pattern.h: New. Tree pattern matching and checking using
7187         concrete syntax.
7188         * tree-check.c: New. Tree/CFG checking pass.
7189         * tree-match.c: New. Library for tree pattern matching.
7190         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
7191         * toplev.c, flags.h: Add globals for tree-check pass.
7192         * Makefile.in: Integrate the files in tree-check pass.
7193         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
7194         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
7195         Introduce a "lazy" pretty-print mode.
7196         * tree.c, tree.h: Add tree_name.
7197
7198 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
7199
7200         * doc/invoke.texi (-fgraphite): Correct typo.
7201         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
7202         use of print_loop_ir.
7203         * gcc.dg/graphite/scop-1.c: New.
7204         * gcc.dg/graphite/scop-2.c: New.
7205         * gcc.dg/graphite/graphite.exp: New.
7206         * graphite.c: Include domwalk.h.
7207         (print_scop): Print only the entry and exit blocks.
7208         (debug_scop): No longer static.
7209         (affine_expr): Fix formating.  Return also true when the expression is
7210         constant.
7211         (stmt_simple_for_scop_p): Fix formating.
7212         (build_scops): Use domwalk.
7213         (get_loop_start, end_scop, test_for_scop_bound): New.
7214         (graphite_transform_loops): Avoid printing on stderr.
7215         * graphite.h (debug_scop): Declared.
7216         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
7217         * Makefile.in (graphite.o): Depend on domwalk.h.
7218         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
7219         declarations for static functions.
7220         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
7221         controlling output verbosity.
7222
7223 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
7224             Plesco Alexandru  <shurikx@gmail.com>
7225
7226         * doc/invoke.texi (-fgraphite): Document.
7227         * tree-pass.h (pass_graphite_transforms): Declared.
7228         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
7229         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
7230         (pass_graphite_transforms): Defined.
7231         * tree-data-ref.c (free_data_ref, data_reference): Extern.
7232         * tree-data-ref.h (free_data_ref, data_reference): Declared.
7233         * graphite.c, graphite.h: New.
7234         * common.opt (fgraphite): Declared.
7235         * tree-flow.h (graphite_transform_loops): Declared.
7236         * Makefile.in (OBJS-common): Add graphite.o.
7237         (graphite.o): New rule.
7238         * passes.c (pass_graphite_transforms): Scheduled.
7239