gcc/ChangeLog.graphite

   1 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-dependences.c (print_pddr): Call print_pdr with an
   4         extra argument.
   5         * graphite-poly.c (debug_pdr): Add an extra argument for the
   6         verbosity level.
   7         (print_pdr): Same.
   8         (print_pbb_domain): Same.
   9         (print_pbb): Same.
  10         (print_scop_context): Same.
  11         (print_scop): Same.
  12         (print_cloog): Same.
  13         (debug_pbb_domain): Same.
  14         (debug_pbb): Same.
  15         (print_pdrs): Same.
  16         (debug_pdrs): Same.
  17         (debug_scop_context): Same.
  18         (debug_scop): Same.
  19         (debug_cloog): Same.
  20         (print_scop_params): Same.
  21         (debug_scop_params): Same.
  22         (print_iteration_domain): Same.
  23         (print_iteration_domains): Same.
  24         (debug_iteration_domain): Same.
  25         (debug_iteration_domains): Same.
  26         (print_scattering_function): Same.
  27         (print_scattering_functions): Same.
  28         (debug_scattering_function): Same.
  29         (debug_scattering_functions): Same.
  30         * graphite-poly.h (debug_pdr): Update declaration.
  31         (print_pdr): Same.
  32         (print_pbb_domain): Same.
  33         (print_pbb): Same.
  34         (print_scop_context): Same.
  35         (print_scop): Same.
  36         (print_cloog): Same.
  37         (debug_pbb_domain): Same.
  38         (debug_pbb): Same.
  39         (print_pdrs): Same.
  40         (debug_pdrs): Same.
  41         (debug_scop_context): Same.
  42         (debug_scop): Same.
  43         (debug_cloog): Same.
  44         (print_scop_params): Same.
  45         (debug_scop_params): Same.
  46         (print_iteration_domain): Same.
  47         (print_iteration_domains): Same.
  48         (debug_iteration_domain): Same.
  49         (debug_iteration_domains): Same.
  50         (print_scattering_function): Same.
  51         (print_scattering_functions): Same.
  52         (debug_scattering_function): Same.
  53         (debug_scattering_functions): Same.
  54
  55 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
  56
  57         * graphite-poly.c (print_scattering_function_1): New.
  58         (print_scattering_function): Call it.
  59         (print_scop_params): Remove spaces at the end of lines.
  60         (print_cloog): New.
  61         (debug_cloog): New.
  62         * graphite-poly.h (print_cloog): Declared.
  63         (debug_cloog): Declared.
  64
  65 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
  66
  67         * tree-ssa-copy.c: Revert this previous change:
  68         (init_copy_prop): Loop closed phi nodes cancontain more than one
  69         argument.
  70         (execute_copy_prop): Revert the previous change: do not call
  71         rewrite_into_loop_closed_ssa.
  72
  73 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
  74             Richard Guenther  <rguenther@suse.de>
  75
  76         PR middle-end/43464
  77         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
  78         contain more than one argument.
  79         (execute_copy_prop): Revert the previous change: do not call
  80         rewrite_into_loop_closed_ssa.
  81
  82         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
  83         * gcc.dg/graphite/id-pr43464-1.c: New.
  84
  85 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
  86
  87         PR middle-end/43464
  88         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
  89         and verify_loop_closed_ssa when copy prop is executed in the LNO.
  90
  91         * gcc.dg/graphite/id-pr43464.c: New.
  92
  93 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
  94
  95         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
  96         in loop->header.
  97         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
  98         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
  99         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
 100         to switch between adding the IV bump in loop->latch or in loop->header.
 101
 102 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
 103
 104         * passes.c (init_optimization_passes): Add pass_copy_prop
 105         after Graphite.
 106
 107 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
 108
 109         * graphite-poly.c (print_scattering_function): Pretty print following
 110         the scoplib format.
 111         (print_pdr): Same.
 112         (print_pbb_domain): Same.
 113         (dump_gbb_cases): Same.
 114         (dump_gbb_conditions): Same.
 115         (print_pdrs): Same.
 116         (print_pbb): Same.
 117         (print_scop_params): Same.
 118         (print_scop_context): Same.
 119         (print_scop): Same.
 120         (print_pbb_body): New.
 121         (lst_indent_to): New.
 122         (print_lst): Start new lines with a #.
 123         * graphite-poly.h (pbb_bb): New.
 124         (pbb_index): Use pbb_bb.
 125         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
 126         disjuncts.
 127         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
 128
 129 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
 130
 131         PR middle-end/43351
 132         * gcc.dg/graphite/id-pr43351.c
 133
 134 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
 135
 136         PR middle-end/43354
 137         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
 138         call insert_out_of_ssa_copy for default definitions.
 139         * gfortran.dg/graphite/id-pr43354.f: New.
 140
 141 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
 142
 143         PR middle-end/43349
 144         * gfortran.dg/graphite/pr43349.f: New.
 145
 146 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
 147
 148         * graphite-clast-to-gimple.c (my_long_long): Defined.
 149         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
 150         * graphite-sese-to-poly.c (my_long_long): Defined.
 151         (scop_ivs_can_be_represented): Use it.
 152
 153 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
 154
 155         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
 156         graphite-max-bbs-per-function, and loop-block-tile-size.
 157         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
 158         with "maximum".
 159         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
 160
 161 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
 162
 163         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
 164         forward declaration.
 165         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
 166         (add_upper_bounds_from_estimated_nit): New.
 167         (build_loop_iteration_domains): Use it.
 168
 169 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 170
 171         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
 172
 173 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 174
 175         PR middle-end/43306
 176         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
 177         should be an INTEGER_CST.  Also handle CASE_CONVERT.
 178         * gcc.dg/graphite/pr43306.c: New.
 179
 180 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 181
 182         * graphite.c (graphite_initialize): To bound the number of bbs per
 183         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
 184         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
 185         * doc/invoke.texi: Document it.
 186
 187 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 188
 189         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
 190         * graphite-sese-to-poly.h (build_poly_scop): Same.
 191
 192 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 193
 194         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
 195         the number of parameters in the scop.  Use as an upper bound
 196         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
 197         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
 198         * doc/invoke.texi: Document it.
 199
 200 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 201
 202         * graphite-sese-to-poly.c (add_param_constraints): Use
 203         lower_bound_in_type and upper_bound_in_type.
 204
 205 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 206
 207         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
 208         instead of unsigned_type_node.
 209
 210 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 211             Reza Yazdani  <reza.yazdani@amd.com>
 212
 213         PR middle-end/43065
 214         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
 215         on pointer type parameters.
 216
 217         * gcc.dg/graphite/run-id-4.c: New.
 218
 219 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 220
 221         PR middle-end/43065
 222         * gcc.dg/graphite/run-id-3.c: New.
 223
 224 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
 225             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 226
 227         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
 228         handle conversions from pointer to integers.
 229         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
 230         induction variable, to be able to work with code generated by CLooG.
 231         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
 232         (build_poly_scop): Bail out if we cannot codegen a loop.
 233
 234 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
 235
 236         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
 237         code generation with gloog_error.
 238
 239 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 240
 241         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
 242         Call fold_convert on all the returned values.
 243         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
 244         the type of the resulting expression.
 245
 246 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 247
 248         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
 249         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
 250         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
 251
 252 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 253
 254         * graphite-dependences.c (map_into_dep_poly): Removed.
 255         (dependence_polyhedron_1): Use combine_context_id_scat.
 256
 257 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 258
 259         * graphite-poly.h (struct poly_scattering): Add layout documentation.
 260         (struct poly_bb): Same.
 261         (combine_context_id_scat): New.
 262
 263 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
 264
 265         PR middle-end/42326
 266         * sese.c (name_defined_in_loop_p): Return false for default
 267         definitions.
 268
 269         * gcc.dg/graphite/pr42326.c: New.
 270
 271 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 272
 273         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
 274         and clean up the logic.
 275
 276 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 277
 278         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
 279         early return.
 280
 281 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 282
 283         PR middle-end/43083
 284         * graphite-scop-detection.c (create_single_exit_edge): Move
 285         the call to find_single_exit_edge to....
 286         (create_sese_edges): ...here.  Don't handle multiple edges
 287         exiting the function.
 288         (build_graphite_scops): Don't handle multiple edges
 289         exiting the function.
 290
 291         * gcc.dg/graphite/pr43083.c: New.
 292
 293 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 294
 295         PR middle-end/43097
 296         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
 297         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
 298
 299         * gfortran.dg/graphite/pr43097.f: New.
 300
 301 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 302             Manuel López-Ibáñez  <manu@gcc.gnu.org>
 303
 304         PR middle-end/43140
 305         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
 306
 307 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 308
 309         PR middle-end/43026
 310         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
 311
 312         * g++.dg/graphite/pr43026.C: New.
 313
 314 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
 315
 316         * Merge from mainline (154736:156693).
 317
 318 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
 319
 320         PR middle-end/43012
 321         * gcc.dg/graphite/pr43012.c: New.
 322
 323 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 324
 325         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
 326 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 327
 328         * g++.dg/graphite/pr42930.C: New.
 329
 330 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 331
 332         PR middle-end/42930
 333         * graphite-scop-detection.c (graphite_can_represent_scev): Call
 334         graphite_can_represent_init for MULT_EXPR.
 335
 336 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 337
 338         PR middle-end/42914
 339         PR middle-end/42530
 340         * graphite-sese-to-poly.c (remove_phi): New.
 341         (translate_scalar_reduction_to_array): Call remove_phi.
 342
 343         * gcc.dg/graphite/pr42530.c: New.
 344         * gcc.dg/graphite/pr42914.c: New.
 345
 346 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 347
 348         PR middle-end/42771
 349         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
 350         * graphite-clast-to-gimple.h (gloog): Update declaration.
 351         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
 352         * graphite-poly.h (struct poly_bb): Add missing comments.
 353         (struct scop): Add poly_scop_p field.
 354         (POLY_SCOP_P): New.
 355         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
 356         * graphite.c (graphite_transform_loops): Build the polyhedral
 357         representation for each scop before code generation.
 358         * sese.c (rename_variables_in_operand): Removed.
 359         (rename_variables_in_expr): Return the renamed expression.
 360         (rename_sese_parameters): New.
 361         * sese.h (rename_sese_parameters): Declared.
 362
 363         * gcc.dg/graphite/pr42771.c: New.
 364
 365 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 366
 367         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
 368         return 0 from main.
 369         * gcc.dg/graphite/block-1.c: Same.
 370         * gcc.dg/graphite/block-3.c: Same.
 371         * gcc.dg/graphite/block-4.c: Same.
 372         * gcc.dg/graphite/block-5.c: Same.
 373         * gcc.dg/graphite/block-6.c: Same.
 374         * gcc.dg/graphite/block-7.c: Same.
 375         * gcc.dg/graphite/interchange-0.c: Same.
 376         * gcc.dg/graphite/interchange-1.c: Same.
 377         * gcc.dg/graphite/interchange-10.c: Same.
 378         * gcc.dg/graphite/interchange-11.c: Same.
 379         * gcc.dg/graphite/interchange-12.c: Same.
 380         * gcc.dg/graphite/interchange-2.c: Same.
 381         * gcc.dg/graphite/interchange-3.c: Same.
 382         * gcc.dg/graphite/interchange-4.c: Same.
 383         * gcc.dg/graphite/interchange-5.c: Same.
 384         * gcc.dg/graphite/interchange-6.c: Same.
 385         * gcc.dg/graphite/interchange-7.c: Same.
 386         * gcc.dg/graphite/interchange-8.c: Same.
 387         * gcc.dg/graphite/interchange-9.c: Same.
 388         * gcc.dg/graphite/interchange-mvt.c: Same.
 389
 390 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 391
 392         * gfortran.dg/graphite/id-19.f: New.
 393         * gfortran.dg/graphite/pr14741.f90: New.
 394         * gfortran.dg/graphite/pr41924.f90: New.
 395         * gfortran.dg/graphite/run-id-2.f90: New.
 396
 397 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 398
 399         PR middle-end/42988
 400         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
 401         to unknown_dependence.
 402         (graphite_legal_transform_dr): Handle the unknown_dependence.
 403         (graphite_carried_dependence_level_k): Same.
 404
 405 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 406
 407         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
 408
 409 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
 410             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 411
 412         PR middle-end/42637
 413         * graphite-dependences.c (build_lexicographical_constraint): Return
 414         a union of dependence polyhedra.
 415         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
 416
 417         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
 418         * gcc.dg/graphite/block-4.c: Same.
 419         * gcc.dg/graphite/block-7.c: Same.
 420         * gcc.dg/graphite/interchange-12.c: Same.
 421         * gcc.dg/graphite/interchange-mvt.c: Same.
 422         * gfortran.dg/graphite/interchange-1.f: XFAILed.
 423         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
 424         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
 425
 426 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 427
 428         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
 429         the execution check to FAIL.  This testcase is miscompiled by Graphite
 430         and the check should be re-enabled.
 431         * gcc.dg/graphite/interchange-mvt.c: Same.
 432         * gcc.dg/graphite/block-0.c: Same.
 433         * gcc.dg/graphite/block-4.c: Same.
 434         * gcc.dg/graphite/block-7.c: Same.
 435
 436 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 437
 438         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
 439         * gcc.dg/graphite/scop-0.c: Fix spaces.
 440         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
 441         * gfortran.dg/graphite/block-2.f: Same.
 442         * gfortran.dg/graphite/block-3.f90: Same.
 443         * gfortran.dg/graphite/block-4.f90: Same.
 444         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
 445         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
 446
 447 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 448
 449         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
 450         PDDR_ORIGINAL_SCATTERING_P.
 451         (pddr_is_empty): Rewritten.
 452         (print_dependence_polyhedron_layout): New.
 453         (print_pddr): New.
 454         (debug_pddr): New.
 455         (build_alias_set_powerset): Moved up.
 456         (poly_drs_may_alias_p): Moved up.
 457         (lexicographically_gt_p): Removed.
 458         (build_lexicographically_gt_constraint): Renamed
 459         build_lexicographical_constraint, reimplemented.
 460         (dependence_polyhedron_1): Simplified parameters.
 461         (dependence_polyhedron): Same.  Keep along empty PDDRs
 462         to make efficient use of the cache.
 463         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
 464         (graphite_legal_transform_dr): Rewritten.
 465         (graphite_legal_transform_bb): Pass fewer arguments to
 466         graphite_legal_transform_dr.
 467         (graphite_carried_dependence_level_k): Simplified implementation.
 468         (dot_original_deps_stmt_1): Call dependence_polyhedron.
 469         (dot_transformed_deps_stmt_1): Same.
 470         (dot_original_deps): Same.
 471         (dot_transformed_deps): Same.
 472         * graphite-dependences.h (struct poly_ddr): Added a new field
 473         original_scattering_p.
 474         (PDDR_ORIGINAL_SCATTERING_P): New.
 475         (print_pddr): Declared.
 476         (debug_pddr): Declared.
 477         * graphite-ppl.c: Clarify comment.
 478         * sese.h (print_gimple_bb): Removed unused declaration.
 479         (debug_gbb): Same.
 480
 481 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 482
 483         * g++.dg/graphite/graphite.exp: Rewritten.
 484         * gcc.dg/graphite/graphite.exp: Rewritten.
 485         * gfortran.dg/graphite/graphite.exp: Rewritten.
 486         * gcc.dg/graphite/block-0.c: Added runtime test.
 487         * gcc.dg/graphite/block-1.c: Same.
 488         * gcc.dg/graphite/block-3.c: Same.
 489         * gcc.dg/graphite/block-4.c: Same.
 490         * gcc.dg/graphite/block-5.c: Same.
 491         * gcc.dg/graphite/block-6.c: Same.
 492         * gcc.dg/graphite/block-7.c: Same.
 493         * gcc.dg/graphite/interchange-0.c: Same.
 494         * gcc.dg/graphite/interchange-1.c: Same.
 495         * gcc.dg/graphite/interchange-10.c: Same.
 496         * gcc.dg/graphite/interchange-11.c: Same.
 497         * gcc.dg/graphite/interchange-12.c: Same.
 498         * gcc.dg/graphite/interchange-2.c: Same.
 499         * gcc.dg/graphite/interchange-3.c: Same.
 500         * gcc.dg/graphite/interchange-4.c: Same.
 501         * gcc.dg/graphite/interchange-5.c: Same.
 502         * gcc.dg/graphite/interchange-6.c: Same.
 503         * gcc.dg/graphite/interchange-7.c: Same.
 504         * gcc.dg/graphite/interchange-8.c: Same.
 505         * gcc.dg/graphite/interchange-9.c: Same.
 506         * gcc.dg/graphite/interchange-mvt.c: Same.
 507         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
 508
 509 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 510
 511         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
 512           background.
 513
 514 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 515
 516         * common.opt: Add -fgraphite-cloog-opts.
 517         * graphite-clast-to-gimple.c (set_cloog_options): Same.
 518         * opts.c (decode_options): Same.
 519
 520 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 521
 522         * gcc.dg/graphite/id-17.c: New.
 523         * gcc.dg/graphite/pr41888.c: New.
 524         * gcc.dg/graphite/scop-22.c: New.
 525         * gfortran.dg/graphite/pr40982.f90: New.
 526
 527 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 528
 529         * graphite-dependences.c: Clarify comments.
 530         (build_pddr): Add an extra parameter direction.
 531         (graphite_legal_transform_dr): Use build_pddr.
 532         (dot_original_deps_stmt_1): Update use of build_pddr.
 533         (dot_transformed_deps_stmt_1): Same.
 534         (dot_original_deps): Same.
 535         (dot_transformed_deps): Same.
 536
 537         * gcc.dg/graphite/interchange-12.c: New.
 538         * gcc.dg/graphite/block-7.c: New.
 539
 540 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 541
 542         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
 543         (pddr_transformed_scattering): Removed.
 544         (graphite_legal_transform_dr): Use build_pddr.
 545         (dot_original_deps_stmt_1): Same.
 546         (dot_transformed_deps_stmt_1): Same.
 547         (dot_original_deps): Same.
 548         (dot_transformed_deps): Same.
 549
 550 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 551
 552         * graphite-dependences.c (lexicographically_gt_p): Add comments.
 553         (build_lexicographically_gt_constraint): Same.
 554         (dependence_polyhedron_1): Same.
 555         (dependence_polyhedron): Same.
 556
 557 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 558
 559         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
 560         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
 561         (lexicographically_gt_p): Change type of direction to int.
 562         (build_lexicographically_gt_constraint): Same.
 563         (dependence_polyhedron_1): Same.
 564         (dependence_polyhedron): Same.
 565         (pddr_original_scattering): Use integers for direction.
 566         (pddr_transformed_scattering): Same.
 567         (graphite_legal_transform_dr): Same.
 568         (graphite_carried_dependence_level_k): Same.
 569
 570 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 571
 572         * graphite-dependences.c (build_pairwise_constraint): Renamed
 573         ppl_build_relation.  Moved...
 574         (dr_equality_constraints): Use ppl_build_relation.
 575         (build_pairwise_scheduling_equality): Same.
 576         (build_pairwise_scheduling_inequality): Same.
 577         * graphite-ppl.c (ppl_build_relation): ...here.
 578         * graphite-ppl.h (ppl_build_relation): Declared.
 579
 580 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 581
 582         PR middle-end/42681
 583         * graphite-clast-to-gimple.c (gloog_error): New static variable.
 584         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
 585         Set gloog_error when such an expression failed to be built.
 586         (translate_clast): Early return when gloog_error is set.
 587         (gloog): Clear gloog_error.  When gloog_error is set, call
 588         set_ifsese_condition to enable the original code.  Return the status
 589         of the code generation based on gloog_error.
 590         * sese.c (set_ifsese_condition): New.
 591         * sese.h (set_ifsese_condition): Declared.
 592
 593         * g++.dg/graphite/pr42681.C: New.
 594
 595 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 596
 597         PR middle-end/42732
 598         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
 599         rename_nb_iterations.
 600         * sese.c (rename_variables_in_operand): New.
 601         (rename_variables_in_expr): New.
 602         (rename_nb_iterations): New.
 603         (sese_adjust_liveout_phis): Update the rename_map.
 604         * sese.h (rename_nb_iterations): Declared.
 605         * tree-scalar-evolution.c (scev_reset_htab): New.
 606         (scev_reset): Call scev_reset_htab.
 607         * tree-scalar-evolution.h (scev_reset_htab): Declared.
 608
 609         * gfortran.dg/graphite/pr42732.f: New.
 610
 611 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 612
 613         PR middle-end/42393
 614         * graphite-clast-to-gimple.c: Fix formatting.
 615         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
 616         (expr_defined_in_loop_p): New.
 617         (add_loop_exit_phis): Also handle full expressions: remove from
 618         the rename_map the expressions defined in the loop that we're closing.
 619
 620         * gfortran.dg/graphite/pr42393-1.f90: New.
 621         * gfortran.dg/graphite/pr42393.f90: Add new flags
 622         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
 623         make this testcase useful in the Graphite branch.
 624
 625 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 626
 627         * graphite-scop-detection.c (exclude_component_ref): Removed.
 628         (is_simple_operand): Removed.
 629         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
 630
 631 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 632
 633         PR middle-end/42221
 634         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 635         the array indexing of ADDR_EXPRs.
 636
 637         * gcc.dg/graphite/pr42221.c: New.
 638
 639 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 640
 641         PR middle-end/42521
 642         * graphite.c (graphite_finalize): Call scev_reset.
 643         (graphite_transform_loops): Do not call scev_reset between the code
 644         generation of scops.
 645
 646         * gcc.dg/graphite/pr42521.c: New.
 647
 648 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 649
 650         * graphite-interchange.c (memory_stride_in_loop): Renamed
 651         pdr_stride_in_loop.
 652         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
 653         (memory_strides_in_loop): Memoize the memory strides per loop.
 654         (lst_interchange_profitable_p): Do not initialize to zero the memory
 655         strides.
 656         * graphite-poly.h (struct lst): Add a field memory_strides.
 657         (LST_LOOP_MEMORY_STRIDES): New.
 658         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
 659         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
 660
 661 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 662
 663         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
 664         memory_strides_in_loop.  Gather memory strides on a whole loop.
 665         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
 666         (lst_interchange_profitable_p): Removed.
 667         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
 668
 669 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 670
 671         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 672         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 673         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 674         Remove context_loop and level.
 675
 676 2010-01-07  Richard Guenther  <rguenther@suse.de>
 677
 678         PR tree-optimization/42641
 679         * sese.c (rename_map_elt_info): Use the SSA name version, do
 680         not hash pointers.
 681
 682 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 683
 684         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
 685         blocked" only when both the strip mine and the interchange have
 686         been applied.
 687
 688         * gcc.dg/graphite/block-2.c: Removed.
 689         * gcc.dg/graphite/block-3.c: Add scan pattern.
 690         * gcc.dg/graphite/block-4.c: Same.
 691         * gcc.dg/graphite/block-5.c: Same.
 692         * gcc.dg/graphite/block-6.c: Same.
 693
 694 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 695
 696         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
 697         before allocating a new one.
 698         (copy_renames): Check that slot is not NULL.
 699         (mark_bb_with_pbb): Same.
 700         (compute_cloog_iv_types_1): Same.
 701         * graphite-interchange.c (lst_perfect_nestify): Free the before,
 702         nest, and after LSTs.
 703         (lst_try_interchange_loops): Same.
 704
 705 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
 706
 707         PR middle-end/42178
 708         * graphite-interchange.c (lst_try_interchange_loops): Do not return
 709         the before, nest, and after LSTs.
 710         (lst_try_interchange): Removed.
 711         (lst_interchange_select_inner): Do not iterate over the LSTs if they
 712         were modified.
 713         (lst_interchange_select_outer): Apply interchange on the outer loop
 714         until there are no more changes in the inner loops.
 715
 716 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 717
 718         Revert patch fixing PR middle-end/42221.
 719
 720 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 721
 722         PR middle-end/42180
 723         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
 724         GIMPLE_CALL.
 725
 726         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
 727
 728 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 729
 730         PR middle-end/42180
 731         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
 732         that contain only one statement.
 733
 734         * gfortran.dg/graphite/pr42180.f90: New.
 735
 736 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 737
 738         PR middle-end/42393
 739         * gfortran.dg/graphite/pr42393.f90: New.
 740
 741 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 742
 743         PR middle-end/42186
 744         * gfortran.dg/graphite/pr42186.f90: New.
 745
 746 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 747
 748         PR middle-end/42205
 749         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
 750         Insert the reduction copy in the same block as the phi node.
 751         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
 752
 753         * gcc.dg/graphite/pr42205-1.c: New.
 754         * gcc.dg/graphite/pr42205-2.c: New.
 755
 756 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 757
 758         PR middle-end/42221
 759         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 760         the array indexing of ADDR_EXPRs.
 761
 762         * gcc.dg/graphite/pr42221.c: New.
 763
 764 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 765
 766         PR middle-end/42178
 767         PR middle-end/42334
 768         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
 769         index.  Call lst_interchange_select_inner only once.
 770         (lst_interchange_select_inner): Update use of lst_try_interchange.
 771         (lst_interchange_select_outer): Update.
 772
 773 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 774
 775         PR middle-end/42178
 776         PR middle-end/42334
 777         * graphite-interchange.c (lst_try_interchange): Do not increment the
 778         the OUTER index when there is no AFTER kernel.  Do not increment the
 779         OUTER index for after processing the AFTER kernel.
 780         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
 781         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
 782         index.  Do not pass to lst_interchange_select_inner the OUTER index.
 783         (scop_do_interchange): Update use of lst_interchange_select_outer.
 784
 785         * gfortran.dg/graphite/graphite.exp
 786         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
 787         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
 788         the graphite dump file.
 789         * gfortran.dg/graphite/interchange-2.f: Same.
 790         * gfortran.dg/graphite/pr42334-1.f: New.
 791
 792 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 793
 794         PR middle-end/42178
 795         PR middle-end/42334
 796         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
 797         that are empty.
 798         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
 799         (lst_try_interchange): Reimplemented.
 800         (lst_interchange_select_inner): Same.
 801         (lst_do_interchange): Renamed lst_interchange_select_outer.
 802         Reimplemented.
 803         (scop_do_interchange): Update use of lst_interchange_select_outer.
 804
 805         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
 806         * gcc.dg/graphite/block-0.c: Un-XFAILed.
 807         * gcc.dg/graphite/pr42211.c: New.
 808         * gfortran.dg/graphite/pr42334.f90: New.
 809
 810 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
 811
 812         PR middle-end/42181
 813         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
 814         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
 815
 816         * gfortran.dg/graphite/pr42181.f90: New.
 817
 818 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
 819
 820         PR middle-end/42284
 821         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
 822         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
 823         (detect_commutative_reduction_arg): Simplified.
 824         (detect_commutative_reduction): Early return when the argument of
 825         the close phi is not of an SSA_NAME.
 826
 827         * gcc.dg/graphite/pr42284.c: New.
 828
 829 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
 830
 831         * dbgcnt.def (graphite_scop): New counter.
 832         * graphite.c: Include dbgcnt.h
 833         (graphite_transform_loops): Use new counter to limit transformations.
 834
 835 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
 836
 837         PR middle-end/42285
 838         * graphite-scop-detection.c (graphite_can_represent_init): Also
 839         handle more complex MULT_EXPRs containing parameters by recursion
 840         on the structure.
 841
 842         * gfortran.dg/graphite/pr42285.f90: New.
 843
 844 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
 845
 846         * g++.dg/graphite/pr42130.C: Fix type.
 847
 848 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
 849
 850         * g++.dg/graphite/pr42130.C: Correct testcase.
 851
 852 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
 853
 854         * Merge from mainline (154493:154734).
 855
 856 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
 857
 858         * Merge from mainline (151362:154491).
 859
 860 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 861
 862         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
 863         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
 864
 865 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 866
 867         PR middle-end/42130
 868         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
 869         translate_clast_for_loop): New.
 870         (translate_clast_for): Add a condition around the loop, to do not
 871         execute loops with zero iterations.
 872         * g++.dg/graphite/pr42130.C: New.
 873         * gcc.dg/graphite/pr35356-2.c: Adapt.
 874
 875 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 876
 877         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 878         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 879         Remove context_loop and level.
 880
 881 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 882
 883         * graphite-clast-to-gimple.c (translate_clast_user,
 884         translate_clast_for, translate_clast_guard): Simplify and move common
 885         elements to translate_clast().
 886         (translate_clast): Simplify and get common elements.
 887
 888 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 889
 890         * graphite-clast-to-gimple.c (translate_clast_user,
 891         translate_clast_for, translate_clast_guard): Split out of
 892         translate_clast.
 893
 894 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
 895
 896         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
 897         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
 898         debug_clast_name_indexes_1, debug_clast_name_indexes,
 899         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
 900         (clast_name_to_gcc, clast_to_gcc_expression,
 901         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
 902         gcc_type_for_clast_eq, graphite_translate_clast_equation,
 903         graphite_create_guard_cond_expr, graphite_create_new_loop,
 904         translate_clast): Add params_index.
 905         (initialize_cloog_names): Create parameter strings from scratch, do
 906         not reference other strings.
 907         (create_params_index): New.
 908         (gloog): Initialize params_index.
 909         * graphite-scop-detection (free_scops_1): Removed.
 910         (limit_scops): Use normal free_scops.
 911         * graphite-sese-to-poly.c (save_var_names): Removed.
 912         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
 913         and SESE_PARAMS_INDEX.
 914         * sese.c (new_sese, free_sese): Dito.
 915         * sese.h (struct sese): Remove params_index, params_names.
 916         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
 917
 918 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 919
 920         Revert the following patch from 2009-09-14:
 921         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 922         tree-scalar-evolution.h, and then tree-data-ref.h.
 923         * graphite-clast-to-gimple.c: Same.
 924         * graphite-dependences.c: Same.
 925         * graphite-interchange.c: Same.
 926         * graphite-poly.c: Same.
 927         * graphite-scop-detection.c: Same.
 928         * graphite-sese-to-poly.c: Same.
 929         * graphite.c: Same.
 930         * lambda-code.c: Same.
 931         * matrix-reorg.c: Same.
 932         * tree-data-ref.c: Same.
 933         * tree-if-conv.c: Same.
 934         * tree-loop-distribu: Same.: Same.
 935         * tree-loop-linear.c: Same.
 936         * tree-parloops.c: Same.
 937         * tree-predcom.c: Same.
 938         * tree-vect-patterns.c: Same.
 939
 940 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 941
 942         Revert patch from 2009-09-14.
 943         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
 944         passes at -O1 and below.
 945
 946 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 947
 948         PR middle-end/40281
 949         * gcc.dg/graphite/pr40281.c: New.
 950
 951         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
 952         evolutions should not variate in inner loops.
 953
 954 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 955
 956         PR middle-end/42050
 957         * gfortran.dg/graphite/pr42050.f90: New.
 958
 959 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 960
 961         * graphite-interchange.c (memory_strides_in_loop_depth): New.
 962         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
 963
 964 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 965
 966         * graphite-blocking.c (scop_do_block): New.
 967         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
 968         * graphite-poly.h (scop_do_block): Declared.
 969
 970 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 971
 972         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
 973         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 974         to transform depth into the time_depth before calling
 975         pbb_number_of_iterations_at_time.
 976         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 977         lst_depth.
 978
 979 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 980
 981         Reverted the patch for "scattering permutations" from 2009-10-28.
 982
 983         * graphite-poly.c (print_permutation): New.
 984         (debug_permutation): New.
 985         (new_poly_bb): Initialize PBB_PERMUTATION.
 986         (free_poly_bb): Free PBB_PERMUTATION.
 987         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 988         (struct pbb_permutation_elt): New.
 989         (PBB_PERMUTATION_ELT_STRIDE): New.
 990         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 991         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 992         (new_pbb_permutation_elt): New.
 993         (pbb_permutation_elt_free): New.
 994         (struct poly_bb): Add field permutation.
 995         (PBB_PERMUTATION): New.
 996         (print_permutation): Declared.
 997         (debug_permutation): Declared.
 998
 999 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
1000
1001         * graphite-interchange.c (build_partial_difference): New.
1002         (memory_stride_in_loop): Refactored the computation of
1003         equality constraints into build_partial_difference function.
1004         Added support for debugging stride computations.
1005
1006 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
1007
1008         * graphite-clast-to-gimple.c (gloog): Free if_region,
1009         if_region->true_region, and if_region->region.
1010         * sese.c (if_region_set_false_region): Free if_region->false_region.
1011         (create_if_region_on_edge): Do not use GGC_NEW.
1012         (move_sese_in_condition): Remove useless initialization.
1013
1014 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
1015
1016         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
1017         for the loops created by the loop distribution.  Do not modify the
1018         input LSTs.
1019         (lst_try_interchange_loops): Same.  Use a temporary LST for the
1020         transformed schedule.  Call lst_update_scattering before data
1021         dependence analysis.
1022         (lst_try_interchange): Pass an extra parameter INDEX.
1023         (lst_do_interchange_1): New.
1024         (lst_do_interchange): Call lst_do_interchange_1.
1025         (scop_do_interchange): Call lst_update_scattering.
1026         * graphite-poly.c (apply_poly_transforms): Do not call
1027         lst_update_scattering.
1028         * graphite-poly.h (lst_pred): New.
1029         (lst_succ): New.
1030         (lst_find_first_pbb): Return NULL when not found.
1031         (lst_empty_p): New.
1032         (lst_insert_in_sequence): Allow LST1 to be NULL.
1033         (lst_replace): New.
1034         (lst_substitute_3): New.
1035         * gcc.dg/graphite/interchange-1.c: XFail.
1036         * gcc.dg/graphite/interchange-8.c: XFail.
1037         * gcc.dg/graphite/interchange-11.c: XFail.
1038
1039 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1040
1041         * graphite-interchange.c (lst_perfectly_nested_p): New.
1042         (lst_perfect_nestify): New.
1043         (lst_try_interchange_loops): Call store_lst_schedule,
1044         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
1045         (scop_do_interchange): Avoid redundant legality test.
1046         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
1047         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
1048         * graphite-poly.h (psct_static_dim): New.
1049         (lst_dewey_number_at_depth): New.
1050         (lst_find_pbb): Restructured.
1051         (lst_find_first_pbb): Restructured.
1052         (lst_find_last_pbb): New.
1053         (lst_contains_p): New.
1054         (lst_contains_pbb): New.
1055         (lst_create_nest): New.
1056         (lst_remove_from_sequence): New.
1057         (pbb_update_scattering): New.
1058         (lst_update_scattering_under): New.
1059         (lst_update_scattering_seq): New.
1060         (lst_update_scattering): New.
1061         (lst_insert_in_sequence): New.
1062         (lst_distribute_lst): New.
1063         (lst_remove_all_before_including_pbb): New.
1064         (lst_remove_all_before_excluding_pbb): New.
1065
1066 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1067
1068         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
1069         get_loop_exit_edges.
1070
1071 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1072
1073         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
1074
1075 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1076
1077         * graphite-poly.c (print_permutation): New.
1078         (debug_permutation): New.
1079         (new_poly_bb): Initialize PBB_PERMUTATION.
1080         (free_poly_bb): Free PBB_PERMUTATION.
1081         * graphite-poly.h (pbb_permutation_elt_p): Declared.
1082         (struct pbb_permutation_elt): New.
1083         (PBB_PERMUTATION_ELT_STRIDE): New.
1084         (PBB_PERMUTATION_ELT_STRIDED_P): New.
1085         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
1086         (new_pbb_permutation_elt): New.
1087         (pbb_permutation_elt_free): New.
1088         (struct poly_bb): Add field permutation.
1089         (PBB_PERMUTATION): New.
1090         (print_permutation): Declared.
1091         (debug_permutation): Declared.
1092
1093 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1094
1095         * graphite-clast-to-gimple.c (gloog): Do not call
1096         sese_reset_aux_in_loops.
1097         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
1098         extra argument for domains.  Do not use loop->aux.
1099         (build_scop_iteration_domain): Initialize and free domains, pass it
1100         to build_loop_iteration_domains and extract the information from
1101         domains.  Do not use loop->aux.
1102         * sese.c (sese_reset_aux_in_loops): Removed.
1103         * sese.h (sese_reset_aux_in_loops): Removed.
1104
1105 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1106
1107         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
1108         (dependency_in_loop_p): Same.
1109         (translate_clast): Do not use loop->aux.  Initialize
1110         loop->can_be_parallel.
1111         (mark_loops_parallel): Removed.
1112         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
1113         * graphite.c (free_aux_in_new_loops): Removed.
1114         (graphite_finalize): Do not call free_aux_in_new_loops.
1115         (graphite_transform_loops): Do not call mark_loops_parallel.
1116
1117 2009-10-26  Li Feng  <nemokingdom@gmail.com>
1118
1119         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
1120         (translate_clast): Pass an extra parameter LEVEL.
1121         Call get_scattering_level.
1122         * graphite-clast-to-gimple.h (get_scattering_level): New.
1123
1124 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1125
1126         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
1127         * cfgloop.h (struct loop): New field single_iv.
1128
1129         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
1130         loop->aux anymore: use loop->single_iv.
1131         (graphite_loop_normal_form): Moved...
1132         (build_graphite_loop_normal_form): Removed.
1133         (gloog): Do not call build_graphite_loop_normal_form.
1134         (free_aux_in_new_loops): Moved...
1135         (mark_loops_parallel): Restructure.
1136         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
1137         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
1138         (scop_canonicalize_loops): New.
1139         (build_poly_scop): Call scop_canonicalize_loops.
1140         * graphite.c (free_aux_in_new_loops): ...here.
1141
1142 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1143
1144         * g++.dg/graphite/graphite.exp: Add the same rules as in
1145         gcc.dg/graphite/graphite.exp.
1146
1147 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1148
1149         * g++.dg/graphite/id-1.C: New.
1150
1151 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1152
1153         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
1154         argument base_name.
1155         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
1156         (rewrite_phi_out_of_ssa): Same.
1157         (rewrite_cross_bb_scalar_deps): Same.
1158         (translate_scalar_reduction_to_array): Same.
1159
1160 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1161
1162         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
1163         dump_alias_graphs.
1164
1165 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1166
1167         * graphite-sese-to-poly.c (dump_alias_graphs): New.
1168         (build_scop_drs): Call dump_alias_graphs.
1169
1170 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1171
1172         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
1173         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1174         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
1175         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1176         * graphite-poly.h (free_lst): New.
1177         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
1178         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
1179
1180 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1181
1182         * graphite-poly.h (struct scop): Add a field saved_schedule.
1183         (SCOP_SAVED_SCHEDULE): New.
1184         (store_lst_schedule): New.
1185         (restore_lst_schedule): New.
1186         (store_scattering): Call store_lst_schedule.
1187         (restore_scattering): Call restore_lst_schedule.
1188
1189 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1190
1191         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
1192         (pdr_add_alias_set): Same.
1193         (build_poly_dr): Same.
1194         (build_alias_set_optimal_p): Same.
1195         (build_base_obj_set_for_drs): Same.  Do not store the result of
1196         graphds_dfs.
1197
1198 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1199
1200         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
1201         all_components_are_cliques to 1.
1202
1203 2009-10-20  Li Feng  <nemokingdom@gmail.com>
1204
1205         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
1206         the new structure.
1207         (pdr_add_alias_set): Update retrieving alias_set_num.
1208         (build_poly_dr): Update retrieving dr_base_object_set.
1209         (partition_drs_to_sets): Remove.
1210         (build_alias_set_optimal_p): New.
1211         (build_alias_set_for_drs): Rename.
1212         (build_scop_drs): Update.
1213         * graphite-sese-to-poly.h (struct base_alias_pair): New.
1214         (ALIAS_SET_INDEX): Remove.
1215         (BASE_OBJECT_SET_INDEX): Remove.
1216
1217 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1218
1219         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
1220
1221 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1222
1223         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
1224         loop upper bounds for 1-element arrays at end of structures.
1225         * tree-flow.h (array_at_struct_end_p): Declared.
1226         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
1227
1228 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1229
1230         * g++.dg/graphite/pr41305.C: New.
1231
1232 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
1233
1234         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
1235         construction of parameter constraints from loop iteration analysis.
1236         * gcc.dg/graphite/run-id-2.c: New test.
1237
1238 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1239
1240         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
1241         and new_cstr.
1242
1243 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1244
1245         * graphite-dependences.c (dependence_polyhedron_1): Remove
1246         unused gdim dimensions from the DDR polyhedron.
1247
1248 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1249
1250         * graphite-dependences.c (pddr_transformed_scattering): New.
1251         (dot_original_deps_stmt_1): New.
1252         (dot_transformed_deps_stmt_1): New.
1253         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
1254         dot_transformed_deps_stmt_1.
1255         (dot_original_deps): New.
1256         (dot_transformed_deps): New.
1257         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
1258
1259 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1260
1261         * graphite-dependences.c (reduction_dr_1): Remove wrong
1262         assert: reduction BBs can have multiple reduction writes
1263         to memory.  interchange-3.f90 is an example.
1264
1265 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1266
1267         * gfortran.dg/graphite/interchange-3.f90: New.
1268
1269 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1270
1271         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
1272
1273 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1274
1275         * graphite-dependences.c (dependence_polyhedron_1): Add the
1276         context to the dependence polyhedron.
1277
1278 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1279
1280         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
1281         PBB_PDR_DUPLICATES_REMOVED.
1282         (new_poly_bb): Same.
1283
1284 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1285
1286         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
1287         SCOP_CONTEXT.
1288         (build_loop_iteration_domains): Extract bounds on parameters
1289         based on the data size.
1290         (build_scop_context): Do not initialize SCOP_CONTEXT;
1291         add new constraints.
1292
1293 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1294
1295         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
1296         * graphite-ppl.h (graphite-ppl.h): Declared.
1297
1298 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1299
1300         * graphite-ppl.c (ppl_print_linear_expr): New.
1301         (debug_ppl_linear_expr): New.
1302         * graphite-ppl.h (ppl_print_linear_expr): Declared.
1303         (debug_ppl_linear_expr): Declared.
1304
1305 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1306
1307         * graphite-interchange.c: Fix comments.
1308         * gcc.dg/graphite/block-1.c: Fix comments.
1309
1310 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1311
1312         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
1313         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
1314
1315 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1316
1317         Reapply the patch from Alexander Monakov that disappeared during
1318         the last merges from trunk.
1319
1320         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1321
1322         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1323         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1324
1325 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1326
1327         * graphite-interchange.c (memory_stride_in_loop): The depth
1328         argument corresponds to a dynamic time dimension, so use
1329         psct_dynamic_dim to refer to the transformed scattering dimension.
1330
1331 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1332
1333         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
1334
1335 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1336
1337         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
1338         root of the LST.
1339         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
1340         the root of the LST.
1341         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
1342         fake loop.
1343         (print_lst): Print the root of LST in a different format.
1344         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
1345
1346 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1347
1348         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
1349
1350 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1351
1352         * doc/passes.texi: Document the Graphite infrastructure.
1353
1354 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1355
1356         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
1357         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
1358         and check the SSA representation.
1359
1360         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
1361
1362 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1363
1364         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
1365
1366 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1367
1368         * gcc.dg/graphite/interchange-11.c: New.
1369
1370 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1371
1372         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
1373
1374 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1375
1376         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1377         Add -fno-loop-strip-mine and -fno-loop-interchange.
1378         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
1379         -fno-loop-strip-mine.
1380         * gfortran.dg/graphite/graphite.exp: Same.
1381
1382 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1383
1384         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1385         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
1386         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
1387         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
1388         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
1389         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
1390         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
1391         DEFAULT_FLAGS_GRAPHITE_SCOP.
1392         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
1393         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
1394
1395 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1396
1397         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
1398
1399 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1400             Sebastian Pop  <sebastian.pop@amd.com>
1401
1402         * graphite-interchange.c (build_linearized_memory_access): Pass an
1403         offset as parameter.
1404         (memory_stride_in_loop): Include transform scattering in the
1405         access functions to be able to querry the strides in the
1406         transformed loops.
1407         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
1408         not the psct_iterator_dim.
1409
1410 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1411
1412         * graphite-blocking.c (pbb_do_strip_mine): Removed.
1413         (lst_do_strip_mine_loop): New.
1414         (lst_do_strip_mine): New.
1415         (scop_do_strip_mine): Call lst_do_strip_mine.
1416         * graphite-poly.h (lst_add_loop_under_loop): New.
1417         (lst_find_first_pbb): New.
1418
1419 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1420
1421         * graphite-poly.c (loop_to_lst): Fix LST creation.
1422
1423 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1424
1425         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
1426         sizeof(unsigned long) to make it run on 32bit systems.
1427
1428 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1429
1430         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
1431         SEGFAULT on 32bit.
1432
1433 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1434
1435         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
1436         Comment.
1437         (write_alias_graph_to_ascii_dot): New.
1438         (write_alias_graph_to_ascii_ecc): Ditto.
1439         (partition_drs_to_sets): Add testing of optimality of current method
1440         which assigns alias numbers according to DFS Comopnent number.  used
1441         as heuristic for the upcoming ECC algorithm.
1442         (build_scop_drs): Write to file also with the ecc and dot format.
1443
1444 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1445
1446         * gfortran.dg/graphite/interchange-1.f: XFail.
1447
1448 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1449
1450         * graphite.c (graphite_initialize): Do not handle functions with
1451         more than 100 basic blocks.
1452
1453 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1454
1455         * graphite-blocking.c (pbb_do_strip_mine): Use
1456         PARAM_LOOP_BLOCK_TILE_SIZE.
1457
1458 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1459
1460         * graphite-poly.c (dot_lst_1): New.
1461         (dot_lst): New.
1462         * graphite-poly.h (dot_lst): Declared.
1463
1464 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1465
1466         * graphite-dependences.c (dot_deps_stmt_1): New.
1467         (dot_deps_stmt): New.
1468         * graphite-dependences.h (dot_deps_stmt): Declared.
1469
1470 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1471
1472         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
1473         not replace cross BB scalar dependences ending on PHI nodes.
1474         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
1475
1476 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1477
1478         * graphite-poly.c (apply_poly_transforms): Implement the high
1479         level driver for flag_loop_block.
1480         * opts.c (decode_options): Enable flag_loop_block at -O2.
1481         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
1482         flag_loop_block.
1483
1484         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
1485         -floop-block.
1486         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1487         Add -floop-block.
1488
1489 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1490
1491         * graphite-poly.h (lst_find_pbb): New.
1492         (find_lst_loop): New.
1493
1494 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1495
1496         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
1497         * graphite-poly.h (struct scop): Remove dep_graph field.
1498         (SCOP_DEP_GRAPH): Removed.
1499
1500 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1501
1502         * graphite-poly.h (copy_lst): Do full copy of LST.
1503
1504 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
1505
1506         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
1507         when the loop stride is zero.
1508
1509         * gcc.dg/graphite/id-16.c: New.
1510
1511 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1512
1513         * graphite-dependences.c (reduction_dr_1): New.
1514         (reduction_dr_p): New.
1515         (graphite_legal_transform_dr): Call reduction_dr_p.
1516         (reduction_ddr): Renamed reduction_ddr_p.
1517         * graphite-poly.h (same_pdr_p): New.
1518         (number_of_write_pdrs): New.
1519         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
1520         (split_reduction_stmt): Do not split reduction statements
1521         when there are no writes to memory.
1522         (translate_scalar_reduction_to_array_for_stmt): Insert the
1523         memory reduction statement just after the scalar reduction statement.
1524
1525         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
1526         Un-XFAIL-ed.
1527         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
1528         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
1529
1530 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1531
1532         * graphite-interchange.c (lst_apply_interchange): New.
1533         (lst_interchange_profitable_p): New.
1534         (lst_try_interchange_loops): New.
1535         (lst_try_interchange): New.
1536         (lst_do_interchange): New.
1537         (pbb_do_interchange): Removed.
1538         (scop_do_interchange): Call lst_do_interchange.
1539
1540 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1541
1542         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
1543         SCOP_TRANSFORMED_SCHEDULE.
1544         (loop_to_lst): New.
1545         (scop_to_lst): New.
1546         (print_lst): New.
1547         (debug_lst): New.
1548         * graphite-poly.h (lst_p): New.
1549         (struct lst): New.
1550         (LST_LOOP_P): New.
1551         (LST_LOOP_FATHER): New.
1552         (LST_PBB): New.
1553         (LST_SEQ): New.
1554         (scop_to_lst): Declared.
1555         (print_lst): Declared.
1556         (debug_lst): Declared.
1557         (new_lst_loop): New.
1558         (new_lst_stmt): New.
1559         (copy_lst): New.
1560         (lst_depth): New.
1561         (lst_dewey_number): New.
1562         (struct scop): Add original_schedule and transformed_schedule fields.
1563         (SCOP_ORIGINAL_SCHEDULE): New.
1564         (SCOP_TRANSFORMED_SCHEDULE): New.
1565         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
1566
1567 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1568
1569         * graphite-dependences.c (reduction_ddr): New.
1570         (graphite_legal_transform_bb): Call reduction_ddr.
1571         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
1572         Initialize PBB_IS_REDUCTION.
1573         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
1574         (PBB_IS_REDUCTION): New.
1575         (new_poly_bb): Update declaration.
1576         * graphite-scop-detection.h (build_scop_bbs): Removed.
1577         (nb_reductions_in_loop): Removed.
1578         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
1579         parameter for reductions.
1580         (try_generate_gimple_bb): Update call to new_poly_bb.
1581         (build_scop_bbs_1): Same.
1582         (build_scop_bbs): Same.
1583         (gsi_for_phi_node): New.
1584         (scalar_close_phi_node_p): Remove gcc_assert.
1585         (split_reduction_stmt): New.
1586         (is_reduction_operation_p): New.
1587         (phi_contains_arg): New.
1588         (follow_ssa_with_commutative_ops): New.
1589         (detect_commutative_reduction_arg): New.
1590         (detect_commutative_reduction_assign): New.
1591         (follow_inital_value_to_phi): New.
1592         (edge_initial_value_for_loop_phi): New.
1593         (initial_value_for_loop_phi): New.
1594         (detect_commutative_reduction): New.
1595         (translate_scalar_reduction_to_array_for_stmt): New.
1596         (insert_copyout): New.
1597         (insert_copyin): New.
1598         (translate_scalar_reduction_to_array): New.
1599         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
1600         (rewrite_commutative_reductions_out_of_ssa_loop): New.
1601         (rewrite_commutative_reductions_out_of_ssa): New.
1602         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
1603         * sese.h (split_region_for_bb): New.
1604
1605         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
1606         * gcc.dg/graphite/interchange-1.c: Fix format.
1607         * gcc.dg/graphite/interchange-10.c: New.
1608
1609 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1610
1611         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
1612         buggy assert.
1613
1614 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1615
1616         * graphite-sese-to-poly.c (scev_analyzable_p): New.
1617         (rewrite_cross_bb_scalar_dependence): New.
1618         (rewrite_cross_bb_scalar_deps): New.
1619         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
1620         Call rewrite_cross_bb_scalar_deps.
1621
1622 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1623
1624         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
1625         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
1626         gsi_for_stmt.
1627
1628 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1629
1630         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
1631         * graphite-interchange.c (pbb_do_interchange): Same.
1632         * graphite-poly.c (print_scattering_function): Same.
1633         (debug_pdrs): Same.
1634         * graphite-poly.h (pbb_loop): New.
1635         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
1636
1637 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1638
1639         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
1640
1641 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1642
1643         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
1644         so don't pass a pointer to it.
1645         (build_alias_set_for_drs): Same.
1646         (build_base_obj_set_for_drs): Same.
1647         (build_scop_drs): Same.
1648
1649 2009-09-26  Li Feng  <nemokingdom@gmail.com>
1650
1651         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
1652         the alias graph of data references.
1653
1654 2009-09-25  Li Feng  <nemokingdom@gmail.com>
1655
1656         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
1657         (build_scop_drs): When debugging, write the alias graph to file,
1658         otherwise, should be disabled.
1659
1660 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1661
1662         * Merge from mainline (151310:151361).
1663
1664 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1665
1666         * Merge from mainline (151171:151310).
1667
1668 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1669
1670         * Merge from mainline (151171:151806).
1671
1672 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1673
1674         * Revert the last commit.
1675
1676 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1677
1678         * Merge from mainline (151171:151819).
1679
1680 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1681
1682         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
1683         (is_simple_operand): Remove call to stmt_simple_memref_p.
1684         (stmt_simple_for_scop_p): Update call to is_simple_operand.
1685
1686 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
1687
1688         * gcc.dg/graphite/interchange-mvt.c: New File.
1689         * gcc.dg/graphite/scop-dsyrk.c: New File.
1690         * gcc.dg/graphite/scop-dsyr2k.c: New File.
1691         * gcc.dg/graphite/scop-mvt.c: New File.
1692         * gcc.dg/graphite/scop-sor.c: New File.
1693
1694 2009-09-17 Li Feng  <nemokingdom@gmail.com>
1695
1696         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
1697         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
1698         (graphite_carried_dependence_level_k): Ditto.
1699         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
1700         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
1701         (new_poly_dr): Adjust declaration.
1702         * graphite-sese-to-poly.c (free_data_refs_aux): New.
1703         (free_gimple_bb): Added free_data_refs_aux.
1704         (build_poly_dr): Add dr_base_object_set.
1705         (partition_drs_to_sets): New.
1706         (dr_same_base_object_p): New.
1707         (build_alias_set_for_drs): New.
1708         (build_base_object_set_for_drs): New.
1709         (build_scop_drs): Add build_base_obj_set_for_drs.
1710         * graphite-sese-to-poly.h: Added #define for alias set number index and
1711         base object set index.
1712         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1713         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1714
1715 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1716
1717         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1718         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1719
1720 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1721
1722         * graphite-sese-to-poly.c (struct irp_data): Removed.
1723         (idx_record_params): Removed.
1724         (find_params_in_bb): Scan for parameters the access functions; don't
1725         parse the tree representation.
1726
1727 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1728
1729         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
1730         passes at -O1 and below.
1731
1732 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1733
1734         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1735         tree-scalar-evolution.h, and then tree-data-ref.h.
1736         * graphite-clast-to-gimple.c: Same.
1737         * graphite-dependences.c: Same.
1738         * graphite-interchange.c: Same.
1739         * graphite-poly.c: Same.
1740         * graphite-scop-detection.c: Same.
1741         * graphite-sese-to-poly.c: Same.
1742         * graphite.c: Same.
1743         * lambda-code.c: Same.
1744         * matrix-reorg.c: Same.
1745         * tree-data-ref.c: Same.
1746         * tree-if-conv.c: Same.
1747         * tree-loop-distribu: Same.: Same.
1748         * tree-loop-linear.c: Same.
1749         * tree-parloops.c: Same.
1750         * tree-predcom.c: Same.
1751         * tree-vect-patterns.c: Same.
1752
1753 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1754
1755         Partially revert the previous patch, except the following.
1756         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1757         as parameters the operands of the not expression.
1758
1759 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1760
1761         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1762         Do not call analyze_scalar_evolution on assignments.
1763         (instantiate_scev_phi): Call analyze_scalar_evolution.
1764         (instantiate_scev_name): Call instantiate_scev_assign and
1765         instantiate_scev_phi.
1766         (instantiate_scev_not): Adapted to pass as parameters the operands
1767         of the not expression.
1768
1769 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1770
1771         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1772         to pass as parameters the operands of the binary expression.
1773
1774 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1775
1776         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1777         instantiate_scev_not.  Handle NEGATE_EXPR.
1778         (instantiate_scev_r): Handle NEGATE_EXPR.
1779
1780 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1781
1782         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1783         instantiate_scev_r.
1784         (instantiate_scev_r): Move code in instantiate_scev_2
1785         and instantiate_scev_1.
1786
1787 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1788
1789         * tree-scalar-evolution.c (instantiate_scev_3): New.
1790         (instantiate_scev_1): Move code in instantiate_scev_3.
1791
1792 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1793
1794         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1795         (instantiate_scev_1): Move code in instantiate_scev_poly.
1796
1797 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1798
1799         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1800         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1801
1802 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1803
1804         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1805         (instantiate_scev_1): Move code in instantiate_scev_convert.
1806
1807 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1808
1809         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1810         (instantiate_scev_1): Move code in instantiate_scev_binary.
1811
1812 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1813
1814         * tree-scalar-evolution.c (instantiate_scev_name): New.
1815         (instantiate_scev_1): Move code in instantiate_scev_name.
1816
1817 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1818
1819         * Merge from mainline (150992:151171).
1820
1821 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1822
1823         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
1824
1825 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1826
1827         * graphite-dependences.c (graphite_legal_transform_bb): Call
1828         pbb_remove_duplicate_pdrs.
1829         * graphite-poly.c (can_collapse_pdr): Removed.
1830         (pdr_find_duplicate): Removed.
1831         (can_collapse_pdrs): New.
1832         (pbb_remove_duplicate_pdrs): New.
1833         (new_poly_dr): Do not look for duplicates.
1834         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1835         (PBB_PDR_DUPLICATES_REMOVED): New.
1836         (pbb_remove_duplicate_pdrs): Declared.
1837
1838 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1839
1840         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1841         the strides by multiplying by PDR_NB_REFS.
1842         * graphite-poly.c (can_collapse_pdr): New.
1843         (pdr_find_duplicate): New.
1844         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1845         Initialize PDR_NB_REFS.
1846         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1847         (PDR_NB_REFS): New.
1848         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1849
1850 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1851
1852         Revert one of the previous commits:
1853         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1854         the computation of symmetric data dependence relations.
1855         (dependency_between_pbbs_p): Same.
1856
1857 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1858
1859         PR middle-end/40965
1860         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1861         any transform.
1862
1863 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1864
1865         * graphite-dependences.c (pddr_original_scattering): Return NULL
1866         for read-read dependence relations.
1867         * graphite-poly.h (enum poly_dr_type): Fix comment.
1868         (pdr_read_p): New.
1869         (pdr_write_p): New.
1870         (pdr_may_write_p): New.
1871
1872 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1873
1874         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1875         (struct poly_dr): Same.
1876         (new_poly_dr): Same.
1877         * graphite-poly.c (new_poly_dr): Same.
1878
1879 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1880             Sebastian Pop  <sebastian.pop@amd.com>
1881
1882         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1883         pbb_strip_mine_time_depth.  Changed the implementation so that
1884         transformation is expressed as a transformation on
1885         time (scatttering) dimensions.  Also, ensures that the 2d+1
1886         scheduling format is preserved.
1887         (pbb_strip_mine_profitable_p): Profitability is based on the
1888         iteration number of a given time (scattering) dimension,
1889         and not on a original loop depth dimension.
1890         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1891         (pbb_do_strip_mine): Call psct_dynamic_dim.
1892         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1893         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1894         (pbb_nb_dynamic_scattering_transform): New.
1895         (psct_dynamic_dim): New.
1896
1897 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1898
1899         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1900         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1901         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1902         * graphite-interchange.c (build_linearized_memory_access): Same.
1903         (memory_stride_in_loop): Same.
1904
1905 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1906
1907         * graphite-dependences.c (pddr_original_scattering): New.
1908         (graphite_legal_transform_dr): Call pddr_original_scattering.
1909         (dot_deps_1): New.
1910         (dot_deps): New.
1911         * graphite-dependences.h (dot_deps): Declared.
1912         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1913         (print_pdr): Print PDR_ID.
1914         * graphite-poly.h (struct poly_dr): Add field id.
1915         (PDR_ID): New.
1916         (pbb_index): New.
1917         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1918
1919 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1920
1921         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1922         not delete the original dependence relation.
1923
1924 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1925
1926         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1927         the computation of symmetric data dependence relations.
1928         (dependency_between_pbbs_p): Same.
1929
1930 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1931
1932         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1933         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1934         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1935         (free_poly_ddr): New.
1936         (pddr_is_empty): New.
1937         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1938         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1939         Remove fprintfs.
1940         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1941         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1942         * graphite-dependences.h (enum poly_dependence_kind): New.
1943         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1944         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1945         (PDRP_SINK): Renamed PDDR_SINK.
1946         (PDRP_DDP): Renamed PDDR_DDP.
1947         (PDDR_KIND): New.
1948         (free_poly_ddr): Declared.
1949         * graphite-poly.c (new_scop): Use the new hash function names.
1950         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1951         into original_pddrs.
1952         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1953
1954 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1955
1956         * Merge from mainline (150764:150992).
1957
1958 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1959
1960         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1961         bounds with LT_EXPR to make niter analysis more precise on code
1962         generated by Graphite.
1963
1964 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1965
1966         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1967         (graphite_legal_transform_bb): Same.
1968         (poly_drs_may_alias_p): Same.
1969
1970 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1971
1972         PR middle-end/40981
1973         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1974         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1975
1976 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1977
1978         * graphite-poly.c (print_pbb): Print PBB index.
1979
1980 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1981
1982         * Merge from mainline (r150672:150764).
1983
1984 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1985
1986         * graphite-interchange.c (ppl_max_for_le): Moved...
1987         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1988         * graphite-ppl.c (ppl_max_for_le): ... here.
1989         * graphite-ppl.h (ppl_max_for_le): Declared.
1990
1991 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1992
1993         * Merge from mainline (r150372:150672).
1994
1995 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1996
1997         PR middle-end/40980
1998         * sese.c (convert_for_phi_arg): New.
1999         (add_guard_exit_phis): Use convert_for_phi_arg.
2000
2001         * gfortran.dg/graphite/id-17.f: New.
2002
2003 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2004
2005         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
2006         unknown subscript upper bounds.
2007
2008         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
2009
2010 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2011             Pranav Garg  <pranav.garg2107@gmail.com>
2012
2013         * graphite-interchange.c (gather_access_strides): Removed.
2014         (ppl_max_for_le): New.
2015         (build_linearized_memory_access): New.
2016         (memory_stride_in_loop): New.
2017         (pbb_interchange_profitable_p): Reimplemented.
2018         * graphite-ppl.h (ppl_new_id_map): New.
2019         (ppl_interchange): New.
2020
2021         * gcc.dg/graphite/interchange-6.c: XFAILed.
2022
2023 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2024
2025         * graphite-interchange.c (compute_subscript): Removed.
2026         (compute_array_size_cstr): Removed.
2027         (compute_array_size_poly): Removed.
2028         (compute_array_size): Removed.
2029         (gather_access_strides_poly): Removed.
2030         (gather_access_strides): Empty.
2031
2032 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2033
2034         * graphite-dependences.c (dependence_polyhedron_1): Replace
2035         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
2036         (graphite_legal_transform_dr): Same.
2037         (graphite_carried_dependence_level_k): Same.
2038         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
2039         Initialize PDR_NB_SUBSCRIPTS.
2040         (print_pdr_access_layout): Replace pdr_nb_subscripts with
2041         PDR_NB_SUBSCRIPTS.
2042         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
2043         (PDR_NB_SUBSCRIPTS): New.
2044         (pdr_nb_subscripts): Removed.
2045         (pdr_dim): Simplified.
2046         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
2047         with PDR_NB_SUBSCRIPTS.
2048
2049 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2050
2051         * graphite-interchange.c (compute_array_size): Remove use of
2052         PDR_DATA_CONTAINER.
2053         * graphite-poly.c (new_poly_dr): Remove argument data_container.
2054         Do not initialize PDR_DATA_CONTAINER.
2055         (print_pdr): Do not print PDR_DATA_CONTAINER.
2056         * graphite-poly.h (struct poly_dr): Remove data_container field.
2057         (PDR_DATA_CONTAINER): Removed.
2058         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
2059         PDR_DATA_CONTAINER.
2060         (build_poly_dr): Same.
2061
2062 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2063
2064         * gcc.dg/graphite/interchange-9.c: New.
2065
2066 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2067             Sebastian Pop  <sebastian.pop@amd.com>
2068
2069         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
2070         copy of the dependence polyhedron.  Free the temporary objects.
2071         (graphite_carried_dependence_level_k): Free unused objects before
2072         returning.
2073
2074         * gcc.dg/graphite/interchange-1.c: XFAILed.
2075         * gcc.dg/graphite/interchange-2.c: XFAILed.
2076         * gcc.dg/graphite/interchange-3.c: XFAILed.
2077         * gcc.dg/graphite/interchange-4.c: XFAILed.
2078         * gcc.dg/graphite/interchange-7.c: XFAILed.
2079
2080 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2081
2082         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
2083         Early return without analyzing the data dependences if no
2084         transform has been done.  Call restore_scattering if the transform
2085         is not legal.
2086         (graphite-interchange.c): Same.
2087         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
2088         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
2089         (apply_poly_transforms): Do not gcc_assert that
2090         the transform is legal.
2091         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2092         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
2093         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
2094         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2095         * graphite-poly.h (struct poly_scattering): New.
2096         (struct poly_bb): Add original, transformed, and saved fields.
2097         Remove transformed_scattering, original_scattering, nb_local_variables,
2098         and nb_scattering_transform fields.
2099         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
2100         (poly_scattering_new): New.
2101         (poly_scattering_free): New.
2102         (poly_scattering_copy): New.
2103         (store_scattering_pbb): New.
2104         (store_scattering): New.
2105         (restore_scattering_pbb): New.
2106         (restore_scattering): New.
2107         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2108         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
2109
2110 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2111
2112         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
2113         (print_scop): Same.
2114
2115 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2116
2117         * Makefile.in (graphite.o): Depends on PREDICT_H.
2118         * graphite.c: Include predict.h.
2119         (graphite_finalize): Call tree_estimate_probability.
2120         * predict.c (predict_loops): Do not call scev_initialize and
2121         scev_finalize.
2122         (tree_estimate_probability_bb): New.
2123         (tree_estimate_probability): Do not initialize loops: move that
2124         code to the driver.  Call tree_estimate_probability_bb.
2125         (tree_estimate_probability_driver): New.
2126         (pass_profile): Use tree_estimate_probability_driver.
2127         * predict.h (tree_estimate_probability): Declared.
2128
2129 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2130
2131         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
2132         * graphite-dependences.c (graphite_legal_transform): Add time to
2133         TV_GRAPHITE_DATA_DEPS.
2134         (dependency_between_pbbs_p): Same.
2135         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
2136
2137 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
2138
2139         * Merge from mainline (r149952:150372).
2140
2141 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2142
2143         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
2144         * graphite-blocking.c: Same.
2145         * graphite-clast-to-gimple.c: Same.
2146         * graphite-dependences.c: Same.
2147         * graphite-poly.c: Same.
2148         * graphite-poly.h: Same.
2149         * graphite-ppl.c: Same.
2150         * graphite-scop-detection.c: Same.
2151         * graphite-sese-to-poly.c: Same.
2152         * graphite.c: Same.
2153
2154 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2155
2156         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
2157         (remove_simple_copy_phi): New.
2158         (remove_invariant_phi): New.
2159         (simple_copy_phi_p): New.
2160         (reduction_phi_p): New.
2161         (gsi_for_ssa_name_def): New.
2162         (insert_out_of_ssa_copy): New.
2163         (insert_out_of_ssa_copy_on_edge): New.
2164         (create_zero_dim_array): New.
2165         (scalar_close_phi_node_p): New.
2166         (rewrite_close_phi_out_of_ssa): New.
2167         (rewrite_phi_out_of_ssa): New.
2168         (rewrite_reductions_out_of_ssa): New.
2169         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
2170
2171         * gcc.dg/graphite/id-11.c: New.
2172         * gcc.dg/graphite/id-15.c: New.
2173         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
2174         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
2175         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
2176         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
2177         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
2178         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
2179         * gfortran.dg/graphite/id-13.f: New.
2180         * gfortran.dg/graphite/id-5.f: New.
2181
2182 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2183
2184         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
2185         check that nb_reductions_in_loop is zero.
2186         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
2187         reduction phi nodes.
2188         (nb_reductions_in_loop): Removed.
2189         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
2190         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
2191         (bb_contains_non_iv_scalar_phi_nodes): Removed.
2192         (scop_contains_non_iv_scalar_phi_nodes): Removed.
2193         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
2194
2195 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2196
2197         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
2198         statements that have an empty iteration domain.
2199         * gfortran.dg/graphite/id-16.f: New.
2200
2201 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2202
2203         * tree-scalar-evolution.c (instantiate_scev_1): Return
2204         chrec_dont_know when the result is not above instantiate_below.
2205         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
2206         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
2207         the tree has a known scalar evolution.
2208         * gfortran.dg/graphite/id-14.f: New.
2209         * gfortran.dg/graphite/id-15.f: New.
2210
2211 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2212
2213         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
2214         insert_gsi.
2215         (rename_variables): Keep inserting renames after the ones already
2216         inserted.
2217
2218 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2219
2220         * graphite-sese-to-poly.c (compare_bb_depths): New.
2221         (graphite_sort_dominated_info): New.
2222         (build_scop_bbs_1): Call graphite_sort_dominated_info.
2223         (build_scop_scattering): Fix comment.
2224
2225 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2226
2227         * graphite.c (graphite_finalize): Call print_loops instead of
2228         dump_function_to_file.
2229         * gcc.dg/graphite/graphite.exp: Fix formatting.
2230         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
2231         loops generated in the graphite output file.
2232         * gcc.dg/graphite/pr35356-2.c: New.
2233         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
2234         * gfortran.dg/graphite/id-12.f: New.
2235
2236 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2237
2238         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
2239         Remove 2 XFAIL.
2240
2241 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2242             Tobias Grosser  <grosser@fim.uni-passau.de>
2243
2244         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
2245         alias set number build alias in ACCESSES polyhedron.
2246         (build_alias_set_for_drs): New.
2247         (build_pbb_drs): Added build_alias_set_for_drs.
2248         * graphite-dependences.c (poly_drs_may_alias_p): New.
2249         (graphite_carried_dependence_level_k): Check alias information
2250         before building polyhedron.
2251
2252 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2253
2254         * Makefile.in (lambda-code.o): Fix formatting.
2255
2256 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2257
2258         * Merge from mainline (r149350-149952)
2259
2260 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2261
2262         * graphite-poly.c (apply_poly_transforms): Move strip_mine
2263         before interchange to prepare for loop blocking.
2264
2265 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2266
2267         * graphite-poly.c (apply_poly_transforms): Add checks after every
2268         transformation.
2269         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
2270         done in apply_poly_transforms.
2271
2272 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2273
2274         * graphite-dependences.c (build_lexicographically_gt_constraint):
2275         Replace RES parameter with *RES.
2276         (dependence_polyhedron_1): Pass an address of the parameter RES
2277         instead of value of RES.
2278
2279 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2280
2281         * graphite.c (graphite_finalize): Fix comment.
2282         (graphite_transform_loops): Reset scev info after code generation
2283         of each scop.
2284
2285 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2286
2287         * graphite.c (graphite_finalize): Call scev_reset.
2288
2289 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2290
2291         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
2292         GBB_CLOOG_IV_TYPES hash table twice.
2293         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
2294         (add_condition_to_domain): Clear GMP values.
2295
2296 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2297
2298         * graphite-dependences.c: Fix formatting.
2299         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
2300         (pbb_number_of_iterations): Free ppl_Linear_Expression.
2301         * graphite-sese-to-poly.c: Fix formatting.
2302         * graphite.c (graphite_transform_loops): Create the hash table
2303         after the early return.
2304
2305 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2306
2307         * gcc.dg/graphite/id-14.c: New.
2308         * gcc.dg/graphite/pr40157.c: New.
2309         * gfortran.dg/graphite/id-11.f: New.
2310
2311 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2312
2313         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
2314         (build_poly_scop): Return false when there are no pbbs within
2315         loops to avoid to pass to cloog scops with no loops.
2316
2317 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2318
2319         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
2320         useless test "i % 2".
2321         (build_pbb_scattering_polyhedrons): Fix formatting.
2322         (build_poly_dr): Same.
2323         * graphite.c (graphite_transform_loops): Restructure.
2324
2325 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
2326
2327         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
2328         reduction_list parameter.
2329         (rewrite_all_phi_nodes_with_iv): Same.
2330         (canonicalize_loop_ivs): Same.
2331         * tree-parloops.c (struct brli): Removed.
2332         (build_reduction_list_info): Removed.
2333         (build_new_reduction): New.
2334         (analyze_reduction_list): Removed.
2335         (gather_scalar_reductions): Find reductions instead of phi
2336         nodes that can't be canonicalized.
2337         (try_create_reduction_list): Remove reduction_list parameter.
2338         (gen_parallel_loop): Same.
2339         (parallelize_loops): Remove analyze_reductions variable,
2340         initialization and free.
2341         Change reduction_list htab initialization to reduction_info
2342         elements instead of ssa names.
2343         Call try_create_reduction_list and gen_parallel_loop without
2344         analyzed_reduction argument.
2345         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
2346         canonicalize_loop_ivs with one less argument.
2347         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
2348
2349 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2350
2351         * graphite-dependences.c (new_poly_dr_pair): New.
2352         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
2353         (new_poly_dr_pair): New.
2354         (eq_poly_dr_pair_p): New.
2355         (hash_poly_dr_pair_p): New.
2356         * graphite-dependences.h (struct poly_dr_pair): New.
2357         (eq_poly_dr_pair_p): Declared.
2358         (hash_poly_dr_pair_p): Declared.
2359         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
2360         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
2361         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
2362         * Makefile.in (graphite-poly.o): Add dependence on
2363         graphite-dependences.h.
2364
2365 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2366
2367         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
2368         polynomials of degree > 1 pass to Graphite.
2369         * tree-chrec.c (scev_is_linear_expression): Call
2370         evolution_function_is_affine_multivariate_p.
2371         * gfortran.dg/graphite/id-10.f90: New.
2372
2373 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2374
2375         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
2376         Instantiate scevs varying in outer loops.
2377         * gfortran.dg/graphite/id-9.f: Correct testcase.
2378
2379 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2380
2381         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
2382         redundant constraint.
2383
2384 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2385
2386         * gcc.dg/graphite/graphite.exp: Fix comments.
2387         * gfortran.dg/graphite/graphite.exp: Trigger actions
2388         based on the file names as in the C testsuite.
2389         * gfortran.dg/graphite/block-1.f90: Fix patterns.
2390         * gfortran.dg/graphite/block-2.f: Same.
2391         * gfortran.dg/graphite/block-3.f90: Same.
2392         * gfortran.dg/graphite/block-4.f90: Same.
2393         * gfortran.dg/graphite/id-1.f90: Same.
2394         * gfortran.dg/graphite/id-2.f90: Same.
2395         * gfortran.dg/graphite/id-3.f90: Same.
2396         * gfortran.dg/graphite/id-4.f90: Same.
2397         * gfortran.dg/graphite/id-6.f: Same.
2398         * gfortran.dg/graphite/id-9.f: Same.
2399         * gfortran.dg/graphite/interchange-1.f: Same.
2400         * gfortran.dg/graphite/interchange-2.f: Same.
2401         * gfortran.dg/graphite/scop-1.f: Same.
2402
2403 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2404
2405         * sese.c (expand_scalar_variables_call): New.
2406         (expand_scalar_variables_ssa_name): Handle calls in expander.
2407
2408 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2409
2410         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
2411         Expect to see the pattern twice.
2412         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
2413         * gcc.dg/graphite/interchange-5.c: Same.
2414         * gcc.dg/graphite/interchange-6.c: Same.
2415
2416 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2417
2418         * gcc.dg/graphite/id-10.c: New.
2419         * gcc.dg/graphite/id-12.c: New.
2420         * gfortran.dg/graphite/id-7.f: New.
2421         * gfortran.dg/graphite/id-8.f: New.
2422
2423 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2424
2425         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
2426         zero.
2427
2428 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2429
2430         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
2431
2432 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2433
2434         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
2435
2436 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2437
2438         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
2439         building PDR subscripts.
2440
2441 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2442
2443         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
2444         computation of array sizes.
2445
2446 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2447
2448         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
2449
2450 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2451
2452         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
2453         build_pairwise_constraint, dr_equality_constraints,
2454         build_pairwise_scheduling_equality,
2455         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2456         build_lexicographically_gt_constraint, dependence_polyhedron,
2457         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
2458         Move from NNC_Polyhedron to C_Polyhedron.
2459         * graphite-interchange.c (compute_array_size_poly,
2460         gather_access_strides): Dito.
2461         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
2462         free_scop, pbb_number_of_iterations): Dito.
2463         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
2464         pbb_dim_iter_domain, struct scop): Dito.
2465         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
2466         new_Cloog_Domain_from_ppl_Polyhedron,
2467         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
2468         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
2469         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
2470         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
2471         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
2472         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
2473         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
2474         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
2475         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
2476         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
2477         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
2478         build_scop_iteration_domain, build_poly_dr): Dito
2479
2480 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2481
2482         * gcc.dg/graphite/graphite.exp: Added a rule to execute
2483         run-id-*.c files.
2484         * gcc.dg/graphite/run-id-1.c: New.
2485
2486 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2487
2488         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
2489         positivity constraint on the symbolic number of iterations.
2490
2491 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2492
2493         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
2494
2495 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2496             Tobias Grosser  <grosser@fim.uni-passau.de>
2497
2498         * graphite-clast-to-gimple.c (build_scop_context): Removed.
2499         (build_cloog_prog): Directly use SCOP_CONTEXT.
2500         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
2501         (free_scop): Free SCOP_CONTEXT.
2502         (print_scop_context): New.
2503         (print_scop): Call print_scop_context.
2504         (debug_scop_context): New.
2505         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
2506         (struct scop): Added field context.
2507         (SCOP_CONTEXT): New.
2508         * graphite-sese-to-poly.c (add_param_constraints): New.
2509         (build_scop_context): New.
2510         (build_poly_scop): Call build_scop_context.
2511
2512 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2513
2514         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
2515         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
2516         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
2517         * graphite-ppl.h: Include double-int.h and tree.h.
2518         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
2519         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
2520         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
2521         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
2522
2523 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2524
2525         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
2526         POINTER_PLUS_EXPR for pointer types.
2527         (clast_to_gcc_expression): Same.
2528
2529 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2530
2531         * graphite-poly.c (print_scattering_function): Early return when
2532         PBB_TRANSFORMED_SCATTERING is not initialized.
2533         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
2534
2535 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
2536
2537         * tree-parloops.c (analyze_reduction_list): Remove unused variable
2538         to fix bootstrap.
2539
2540 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
2541
2542         * tree-parloops.c (analyze_reduction_list): Change return
2543         value to void.
2544         (try_create_reduction_list): Move the call to
2545         analyze_reduction_list to the beginining.
2546         Call reduction_phi with analyzed_reductions as argument
2547         instead of reduction_list.
2548
2549 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2550
2551         *  Merge from mainline (r148296:149346)
2552
2553 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2554
2555         * graphite-scop-detection.c (graphite_can_represent_init): New.
2556         (graphite_can_represent_scev): Call graphite_can_represent_init:
2557         check that the initial value does not contain multiplications of
2558         parameters.
2559         (stmt_has_simple_data_refs_p): New.
2560         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
2561         (is_simple_operand): Fix formatting.
2562         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
2563
2564 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2565
2566         * gcc.dg/graphite/id-13.c: New.
2567         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
2568         analyze_scalar_evolution, use scalar_evolution_in_region.
2569         (scan_tree_for_params_right_scev): Add extra assert.
2570         (parameter_index_in_region_1): Split from parameter_index_in_region.
2571         (idx_record_params): Use scalar_evolution_in_region.
2572         (find_params_in_bb): Same.
2573         (find_scop_parameters): Same.
2574         (build_loop_iteration_domains): Same.
2575         (create_linear_expr_from_tree): Same.
2576         * sese.c (scalar_evolution_in_region): New.
2577         * sese.h (scalar_evolution_in_region): Declared.
2578         (defined_in_sese_p): New.
2579         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
2580         static anymore.
2581         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
2582         Declared.
2583
2584 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2585
2586         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
2587         TREE_DATA_REF_H also implies SCEV_H.
2588
2589 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2590
2591         * graphite-poly.c (print_scop_params): New.
2592         (print_scop): Call print_scop_params.
2593         (debug_scop_params): New.
2594         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
2595
2596 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2597
2598         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
2599         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
2600         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
2601         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
2602         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
2603         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
2604
2605 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2606
2607         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
2608         for dependency checking part.
2609         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
2610         tests for dependency checking.
2611         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2612         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2613         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
2614         flag -fdump-tree-graphite-all for autopar testsuites.
2615
2616 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2617
2618         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
2619         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
2620         canonicalize_loop_ivs): Moved...
2621         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
2622
2623 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2624
2625         * tree-parloops.c (try_create_reduction_list): Pass an extra
2626         argument analyzed_reductions.  Call analyze_reduction_list.
2627         (gen_parallel_loop): Do not call analyze_reduction_list.
2628         (parallelize_loops): Init and finalize analyzed_reductions.
2629
2630 2009-07-06  Li Feng  <nemokingdom@gmail.com>
2631
2632         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2633         Added flag -fno-loop-strip-mine for autopar testcase.
2634
2635 2009-07-04  Li Feng  <nemokingdom@gmail.com>
2636
2637         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
2638         transformed scattering dimension instead of unmatch orignal when
2639         calling dependence_polyhedron.
2640
2641 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2642
2643         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
2644
2645 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2646
2647         * graphite-poly.c (pbb_number_of_iterations): Check for returned
2648         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
2649
2650 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2651
2652         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
2653         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
2654         * graphite-poly.c (pbb_number_of_iterations): New.
2655         * graphite-poly.h (pbb_number_of_iterations): Declared.
2656         (pbb_iterator_dim, pbb_parameter_dim): New.
2657
2658 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
2659
2660         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
2661         last commit on type of lower and upper bound of loops.
2662
2663 2009-06-29  Li Feng  <nemokingdom@gmail.com>
2664
2665         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
2666         graphite-dependences.h.
2667         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
2668         (mark_bb_with_pbb): New.
2669         (get_stmtfor_depth): New.
2670         (find_pbb_via_hash): New.
2671         (dependency_in_loop_p): New.
2672         (mark_loops_parallel): New.
2673         (free_aux_in_new_loops): New.
2674         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
2675         bb with it's relevant pbb. Mark newly created loops.  Remove mark
2676         innermost loop parallel without checking.
2677         (gloog): Add parameter BB_PBB_MAPPING.
2678         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
2679         (gloog): Change declaration.
2680         (mark_loop_parallel): Make extern.
2681         (free_aux_in_new_loops): Declare.
2682         (bb_pbb_map_hash): New.
2683         (eq_bb_pbb_map): New.
2684         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
2685         auto parallelization when flag_graphite_force_parallel is set.
2686         (graphite_finalize): Added free_aux_in_new_loops.
2687         * tree-parloops.c (parallelize_loops): Only generate parallel code for
2688         the innermost loop that marked parallel.  Use
2689         flag_graphite_force_parallel instead of loop->can_be_parallel.
2690         (loop_parallel_p): Move inner most checking out of function.
2691
2692 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2693
2694         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
2695         type of lower and upper bound of loops signed long int.
2696
2697 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2698
2699         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
2700         expression outside the loop.
2701
2702 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2703
2704         * gcc.dg/graphite/interchange-8.c: New.
2705
2706 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2707
2708         * gcc.dg/graphite/interchange-0.c: XFailed.
2709         * gcc.dg/graphite/interchange-5.c: XFailed.
2710         * gcc.dg/graphite/interchange-6.c: XFailed.
2711
2712 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2713
2714         * graphite-interchange.c (compute_array_size_poly): The end of the
2715         recursion should return 1.
2716
2717 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2718
2719         * graphite-interchange.c (compute_array_size_cstr): Allow the
2720         subscript multiplier to be -1.
2721         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
2722         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
2723         data_container.  Initializes PDR_DATA_CONTAINER.
2724         (print_pdr_access_layout): New.
2725         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
2726         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
2727         data_container.
2728         (PDR_DATA_CONTAINER): New.
2729         (new_poly_dr): Update declaration.
2730         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
2731         (build_poly_dr): Call pdr_add_data_dimensions.
2732
2733 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2734
2735         * graphite-poly.h (struct poly_dr): Fix comment.
2736         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2737         (pdr_add_memory_accesses): New.
2738         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2739
2740 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2741
2742         * graphite-poly.c (print_pdrs, debug_pdrs): New.
2743         (print_pbb): Add call to print_pdrs.
2744         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2745
2746 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2747             Li Feng <nemokingdom@gmail.com>
2748
2749         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2750         (dependency_between_pbbs_p): New.
2751         (lexicographically_gt_p): Assure !empty_p before polyhedron
2752         intersection assign.
2753         (build_lexicographically_gt_constraint): Correct lexicographically
2754         judging.
2755         * graphite-dependences.h: New.
2756         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2757
2758 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2759
2760         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2761         (gloog): Print to dump_file the generated clast.
2762         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2763         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2764
2765 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2766
2767         * graphite-poly.c (extend_scattering): Increment
2768         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2769
2770 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2771
2772         * graphite-interchange.c (compute_array_size_poly): Added exit of
2773         recursion condition.  Continue iterating even after the first equality.
2774         (compute_array_size): Same.
2775
2776 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2777
2778         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2779         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2780         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2781         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2782         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2783
2784 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2785
2786         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2787         only when the use verifies is_gimple_reg.
2788
2789 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2790
2791         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2792         Allocate scaldims after call to unify_scattering_dimensions.
2793
2794 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2795
2796         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2797
2798 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2799             Albert Cohen  <albert.cohen@inria.fr>
2800
2801         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2802         variables for the strip mining.
2803
2804 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2805             Pranav Garg  <pranav.garg2107@gmail.com>
2806
2807         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2808         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2809         (graphite-blocking.o): New rule.
2810         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2811         * graphite-blocking.c: New.
2812         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2813         flag_loop_strip_mine.
2814         (psct_scattering_dim_for_loop_depth): New.
2815         * graphite-poly.h (scop_do_strip_mine): Declared.
2816         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2817         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2818         flag_loop_strip_mine.
2819
2820 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2821
2822         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2823         a GMP value and a PPL coefficient at each iteration of a loop.
2824
2825 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2826
2827         * graphite-dependences.c (dependence_polyhedron): Do not use
2828         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2829         pbb_nb_scattering_transform.
2830         (graphite_legal_transform_dr): Same.
2831         * graphite-poly.c (extend_scattering): Same.
2832         (unify_scattering_dimensions): Same.
2833         (print_scattering_function): Same.
2834         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2835         PBB_NB_LOCAL_VARIABLES.
2836         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2837         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2838         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2839         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2840         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2841         (pbb_nb_scattering_transform): New.
2842         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2843         (psco_scattering_dim): Add assert on parameters.
2844         (psct_scattering_dim): Same.
2845         (psct_scattering_dim_for_loop_depth): Declared.
2846         (psct_local_var_dim): New.
2847         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2848         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2849         correct layout, call pbb_nb_local_vars.
2850         (psct_add_local_variable, psct_add_scattering_dimension): New.
2851         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2852         Initialize PBB_NB_SCATTERING_TRANSFORM.
2853
2854 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2855
2856         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2857         (set_coef): Renamed ppl_set_coef.
2858         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2859
2860 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2861
2862         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2863         test a boolean against 1.
2864         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2865         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2866         (pbb_do_interchange): Returns true when a transform has been performed.
2867         (scop_do_interchange): Same.
2868         * graphite-poly.c (apply_poly_transforms): Use the return value of
2869         scop_do_interchange.
2870         * graphite-poly.h (scop_do_interchange): Update declaration.
2871
2872 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2873
2874         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2875         after last use.
2876         * sese.c (sese_reset_aux_in_loops): New.
2877         * sese.h (sese_reset_aux_in_loops): New.
2878
2879 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2880
2881         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2882         multiplier and multiply the constant by the multiplier.
2883         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2884         (build_poly_dr): Do not use the multiplier to define the subscript.
2885
2886 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2887
2888         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2889         compiler's data reference.  Initialize PDR_CDR.
2890         (print_pdr): Call dump_data_reference.
2891         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2892         Add compiler_dr field.
2893         (PDR_BB): Renamed PDR_PBB.
2894         (PDR_CDR): New.
2895         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2896         GCC's data reference representation.
2897         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2898         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2899
2900 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2901
2902         * graphite-poly.c (print_scattering_function): Also print the layout.
2903         * graphite-poly.h (pbb_nb_local_vars): New.
2904
2905 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2906
2907         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2908
2909 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2910
2911         * graphite-poly.c (print_pdr, debug_pdr): New.
2912         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2913         (PDR_BASE): Removed.
2914
2915 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2916
2917         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2918         ltrans-{1..6,8}.c.
2919
2920 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2921
2922         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2923         subscript identification column.
2924         (pbb_do_interchange): Print to dump_file that some loops "will be
2925         interchanged".  Rely on that chain of characters in the testcases.
2926         * gcc.dg/graphite/interchange-0.c: New.
2927         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2928         interchange-*.c files and compile them with -floop-interchange.
2929
2930 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2931
2932         * graphite-interchange.c (interchange_profitable_p): Renamed
2933         pbb_interchange_profitable_p.
2934
2935 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2936             Harsha Jagasia  <harsha.jagasia@amd.com>
2937             Pranav Garg  <pranav.garg2107@gmail.com>
2938
2939         * graphite-interchange.c (interchange_profitable_p): Make static.
2940         (pbb_interchange_loop_depths, pbb_do_interchange,
2941         scop_do_interchange): New.
2942         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2943         for flag_loop_interchange.
2944         * graphite-poly.h (scop_do_interchange): Declared.
2945         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2946         flag_loop_interchange is used.
2947
2948 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2949
2950         * graphite-dependences.c (dependence_polyhedron): Update use of
2951         pbb_nb_scattering_dims.
2952         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2953         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2954         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2955         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2956
2957 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2958
2959         * graphite.c: Cleanup foo.
2960
2961 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2962
2963         * Merge from mainline (r143684:148293).
2964         * Disabled libpcp until it gets fixed.
2965
2966 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2967             Harsha Jagasia  <harsha.jagasia@amd.com>
2968
2969         * graphite-interchange.c: New.
2970         * Makefile.in (graphite-interchange.o): New.
2971         * graphite-poly.h (interchange_profitable_p): Declared.
2972         * graphite-ppl.h (value_max): New.
2973
2974 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2975
2976         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2977         * graphite-poly.h: Fix some comments.
2978         (pdr_dim): New.
2979         (pdr_scop): New.
2980
2981 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2982
2983         * graphite-poly.h
2984         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2985         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2986         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2987         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2988         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2989         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2990         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2991         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2992         * graphite-clast-to-gimple.c: Same.
2993         * graphite-dependences.c: Same.
2994         * graphite-poly.c: Same.
2995         * graphite-sese-to-poly.c: Same.
2996
2997 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2998
2999         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
3000         expressions for an IV rename, as returned by clast_to_gcc_expression.
3001         (copy_renames): Rename new_name to expr.
3002         * sese.c (debug_rename_elt): Same.
3003         (get_rename): Same.
3004         (set_rename): Same.
3005         (sese_adjust_liveout_phis): Call force_gimple_operand before using
3006         the information from the rename map.
3007         (rename_variables_in_stmt): Same.
3008         (add_loop_exit_phis): Rename new_name to expr.
3009         (insert_loop_close_phis): Same.
3010         (add_guard_exit_phis): Same.  Call force_gimple_operand.
3011         * sese.h (struct rename_map_elt): Rename new_name to expr.
3012         (new_rename_map_elt): Same.
3013
3014 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3015
3016         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
3017         * sese.c (set_rename): Make it extern.
3018         * sese.h (set_rename): Declared.
3019
3020 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3021
3022         * graphite-poly.c (extend_scattering): Free values.
3023         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
3024         Free iterators.
3025         (ppl_print_powerset_matrix): Same.
3026         * graphite-scop-detection.c (free_scops_1): New.
3027         (limit_scops): Call free_scops_1.
3028         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
3029         (build_poly_dr): Free PPL coefficients.
3030         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
3031
3032 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
3033
3034         * graphite-dependences.c: New.
3035         * graphite-data-ref.c: Removed.
3036         * graphite-data-ref.h: Removed.
3037         * Makefile.in (graphite-data-ref.o): Removed.
3038         (graphite-dependences.o): Added.
3039         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
3040         * graphite-poly.c: Same.
3041         Move the data dependence testing to graphite-dependences.c.
3042
3043 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3044
3045         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
3046         from graphite_cannot_represent_loop. Code refactored.
3047         (scopdet_basic_block_info): Call graphite_can_represent_loop.
3048
3049 2009-05-17  Li Feng  <nemokingdom@gmail.com>
3050
3051         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
3052         Cover all the testcases (not only the filtered ones).
3053
3054 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3055
3056         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
3057         unnecessary check. Update comments. Move check for REAL_TYPE here.
3058         (harmful_stmt_in_bb): Remove checks for conditions. This is already
3059         done in (stmt_simple_for_scop_p).
3060
3061 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
3062
3063         * graphite.c (print_global_statistics): New.
3064         (print_graphite_scop_statistic): New.
3065         (print_graphite_statistics): New.
3066         (graphite_initialize, graphite_transform_loops): Print statistics.
3067         * graphite-scop-detection (build_scops): Print statistics.
3068         (print_graphite_scop_statistics): New.
3069         (print_graphite_statistics): New.
3070
3071 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3072
3073         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
3074         (debug_clast_name_index): Removed.
3075         (debug_clast_name_indexes_1): Removed.
3076         (debug_clast_name_indexes): Removed.
3077         (clast_name_index_elt_info): Removed.
3078         (eq_clast_name_indexes): Removed.
3079         (clast_name_to_index): Removed.
3080         (new_clast_name_index): Removed.
3081         (save_clast_name_index): Removed.
3082         (save_var_name): Moved...
3083         (init_sese_params_index): Removed.
3084         (clast_name_to_gcc): Remove use of name_tree.
3085         (initialize_cloog_names): Same.
3086         (gloog): Do not call init_sese_params_index.
3087         * graphite-sese-to-poly.c (save_var_name): ...here.
3088         (parameter_index_in_region): New.
3089         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
3090         (parameter_index_in_region): Removed.
3091         (is_parameter): Remove use of name_tree.
3092         * sese.h (struct name_tree): Removed.
3093         (struct sese): Remove use of name_tree.  New field params_names.
3094         (SESE_PARAMS_NAMES): New.
3095         (SESE_PARAMS): Remove duplicate.
3096         (parameter_index_in_region): Removed.
3097         (sese_nb_params): Remove use of name_tree.
3098         (struct clast_name_index): New.
3099         (new_clast_name_index): New.
3100         (clast_name_to_index): New.
3101         (save_clast_name_index): New.
3102         (debug_clast_name_index): New.
3103         (debug_clast_name_indexes_1): New.
3104         (debug_clast_name_indexes): New.
3105         (clast_name_index_elt_info): New.
3106         (eq_clast_name_indexes): New.
3107
3108 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3109
3110         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
3111         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
3112         (graphite_loop_normal_form): Do not pass region.  Do not
3113         initialize SESE_OLDIVS.
3114         (build_graphite_loop_normal_form): Update call to
3115         graphite_loop_normal_form.
3116         * sese.c (debug_oldivs): Removed.
3117         (new_sese): Do not initialize SESE_OLDIVS.
3118         (free_sese): Do not free SESE_OLDIVS.
3119         (oldiv_for_loop): Removed.
3120         * sese.h (struct sese): Remove old_ivs.
3121         (SESE_OLDIVS): Removed.
3122         (oldiv_for_loop): Removed.
3123
3124 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3125
3126         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
3127         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
3128         replaced by a call to newivs_to_depth_to_newiv.
3129         (clast_to_gcc_expression): Pass newivs, remove ivstack.
3130         (clast_to_gcc_expression_red): Same.
3131         (gcc_type_for_clast_expr): Same.
3132         (gcc_type_for_clast_eq): Same.
3133         (graphite_translate_clast_equation): Same.
3134         (graphite_create_guard_cond_expr): Same.
3135         (graphite_create_new_guard): Same.
3136         (graphite_create_new_loop): Same.
3137         (build_iv_mapping): Same.
3138         (translate_clast): Same.
3139         (gloog): Same.
3140         (loop_iv_stack_patch_for_consts): Removed.  *
3141         sese.c (iv_stack_entry_is_constant): Removed.
3142         (iv_stack_entry_is_iv): Removed.
3143         (loop_iv_stack_push_iv): Removed.
3144         (loop_iv_stack_insert_constant): Removed.
3145         (loop_iv_stack_pop): Removed.
3146         (loop_iv_stack_get_iv): Removed.
3147         (loop_iv_stack_get_iv_from_name): Removed.
3148         (debug_loop_iv_stack): Removed.
3149         (free_loop_iv_stack): Removed.
3150         (loop_iv_stack_remove_constants): Removed.  *
3151         sese.h (iv_stack_entry_kind): Removed.
3152         (iv_stack_entry_data_union): Removed.
3153         (iv_stack_entry_struct): Removed.
3154         (iv_stack_entry_p): Removed.
3155         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
3156         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
3157         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
3158         loop_iv_stack_pop, free_loop_iv_stack): Removed.
3159         (gbb_loop_at_index): Fix indenting.
3160         (gbb_loop_index): Removed.
3161
3162 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3163
3164         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
3165         Call clast_name_to_index.
3166
3167 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3168
3169         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
3170         do not pass params.  Get params from SESE_PARAMS.
3171         (clast_to_gcc_expression): Same.
3172         (clast_to_gcc_expression_red): Same.
3173         (gcc_type_for_clast_eq): Same.
3174         (graphite_translate_clast_equation): Same.
3175         (graphite_create_new_loop): Same.
3176         * sese.c (rename_variables_in_stmt): Fix comment.
3177
3178 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3179
3180         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
3181         newivs_index.
3182         Call save_clast_name_index.
3183         (translate_clast): Pass newivs_index.
3184         (gloog): Create and free newivs_index.
3185
3186 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3187
3188         * graphite-clast-to-gimple.c (clast_name_index): New structure.
3189         (clast_name_index_p): New type.
3190         (debug_clast_name_index): New.
3191         (debug_clast_name_indexes_1): New.
3192         (debug_clast_name_indexes): New.
3193         (clast_name_index_elt_info): New.
3194         (eq_clast_name_indexes): New.
3195         (clast_name_to_index): New.
3196         (new_clast_name_index): New.
3197         (save_clast_name_index): New.
3198         (init_sese_params_index): New.
3199         (gloog): Call init_sese_params_index.
3200         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
3201         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
3202         (free_sese): Free SESE_PARAMS_INDEX.
3203         * sese.h (struct sese): Add params_index.
3204         (SESE_PARAMS_INDEX): New.
3205
3206 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3207
3208         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
3209         (graphite_create_new_loop): Pass the newivs vector.  Push the
3210         newly created IV to newivs.
3211         (translate_clast): Pass the newivs vector.
3212         (gloog): Create and destroy the newivs vector.
3213
3214 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3215
3216         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
3217         (graphite_loop_normal_form): Initialize loop->aux with the unique
3218         IV that has been created.
3219
3220 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
3221
3222         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
3223         scev with parameters in the base part. They where forbidden
3224         exidently.
3225
3226 2009-05-11  Li Feng  <nemokingdom@gmail.com>
3227
3228         * gcc.dg/graphite/graphite.exp: Set different default
3229         compile options by file names.
3230         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
3231         * gcc.dg/graphite/id-{1-9}.c: Ditto.
3232         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
3233         * gcc.dg/graphite/scop-matmult.c: Ditto.
3234
3235 2009-05-08  Li Feng <nemokingdom@gmail.com>
3236
3237         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
3238         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
3239         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
3240         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
3241
3242 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3243
3244         * graphite-scop-detection (build_scops_1): Fix little bug introduced
3245         by final cleanup.
3246
3247 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3248
3249         * graphite-scop-detection.c (graphite_can_represent_scev): Only
3250         allow integer constant strides.
3251         (graphite_can_represent_expr): Depend on outermost_loop.
3252         (stmt_simple_memref_p, graphite_cannot_represent_loop,
3253         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
3254         build_scops_1): Same.
3255         (scopdet_basic_block_info): Same and insert layered SCoP
3256         detection.
3257         (try_generate_gimple_bb): Cleanup.
3258         (build_scops): Enable data references.
3259
3260         * gcc.dg/graphite/id-5.c: New.
3261         * gcc.dg/graphite/id-9.c: New.
3262         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
3263         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
3264
3265 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3266
3267         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
3268         that we have not yet built for this SCoP.
3269
3270 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3271
3272         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
3273         for complex numbers.
3274
3275 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3276
3277         * graphite-ppl.c: Fix build if cloog is not available.
3278
3279 2009-05-04  Li Feng  <nemokingdom@gmail.com>
3280
3281         * tree-parloops.c (loop_parallel_p): Remove construction of
3282         NITER and REDUCTION_LIST.
3283         (try_get_loop_niter): New.
3284         (try_create_reduction_list): New.
3285         (parallelize_loops): Bypass the failed checkings in autopar
3286         when can_be_parallel in loop structure is set to true.
3287
3288 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3289
3290         * gcc.dg/graphite/id-6.c: Update testcase.
3291         * gcc.dg/graphite/scop-3.c: Dito.
3292
3293 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3294
3295         * graphite-scop-detection.c (stmt_simple_for_scop_p):
3296         Enable EQ_EXPR and NE_EXPR again.
3297
3298 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3299
3300         * graphite-scop-detection.c (graphite_can_represent_scev):
3301         Add check if scev is affine multivariate.
3302         (harmful_stmt_in_bb): Check if we can represent the conditions.
3303         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
3304         harmful_stmt_in_bb.
3305         * gcc.dg/graphite/id-7.c: New.
3306
3307 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3308
3309         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
3310         Check all bbs in region, not only the bbs that are represented in
3311         GRAPHITE.
3312         (build_poly_scop): Add newline.
3313         * gcc.dg/graphite/id-8.c: New.
3314
3315 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3316
3317         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
3318         when loop initialize.
3319         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
3320         * common.opt: Declare flag_graphite_force_parallel.
3321         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
3322         loop parallel.
3323         * graphite-poly.c (apply_poly_transforms): Introduce
3324         flag_graphite_force_parallel.
3325         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
3326         * toplev.c (process_options): ditto and replace a not correctly
3327         encoded space.
3328
3329 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3330
3331         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
3332         Change the call of gbb_loop_at_index and/or gbb_loop_index due
3333         to the redefinition.
3334         (compute_cloog_iv_types_1): ditto.
3335         (build_iv_mapping): ditto.
3336         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
3337         initialization.
3338         (free_gimple_bb): Removed GBB_LOOPS related free part.
3339         (build_bb_loops): Removed.
3340         * sese.h (struct gimple_bb): Removed loops.
3341         (GBB_LOOPS): Removed.
3342         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
3343         (gbb_loop_index): ditto.
3344
3345 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3346
3347         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
3348         allow non constant strides.
3349         * gcc.dg/graphite/scop-20.c: New.
3350
3351 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3352
3353         * graphite-scop-detection.c (dot_all_scops): Fix system call
3354         return value warning.
3355         (dot_scop): Same.
3356
3357 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3358
3359         * gcc.dg/graphite/id-6.c: Fix pattern.
3360         * gcc.dg/graphite/scop-3.c: Same.
3361
3362 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3363
3364         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
3365         build_pairwise_constraint, dr_equality_constraints,
3366         build_pairwise_scheduling_equality,
3367         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3368         build_lexicographically_gt_constraint, dependence_polyhedron,
3369         graphite_legal_transform_dr, graphite_legal_transform_bb,
3370         graphite_legal_transform): New.
3371         * graphite-poly.h (graphite_legal_transform): Declared.
3372         * graphite-sese-to-poly.c (build_poly_scop): Call to
3373         graphite_legal_transform is disabled for the moment.
3374
3375 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3376
3377         * graphite-poly.h (pbb_nb_scattering_dims): New.
3378         (pbb_nb_scattering): Use it.
3379
3380 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3381
3382         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
3383         Pointset_Powerset version of ppl_insert_dimensions.
3384         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
3385
3386 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3387
3388         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
3389
3390 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3391
3392         * graphite-poly.h: Fix comment.
3393
3394 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3395
3396         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
3397
3398 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3399
3400         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
3401         statements.
3402
3403 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3404
3405         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
3406         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
3407         conditions.
3408
3409 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
3410
3411         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
3412         handle EQ_EXPR and NE_EXPR.
3413
3414 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3415
3416         * graphite-poly.h (poly_dr): Fix comment.
3417
3418 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3419             Tobias Grosser  <grosser@fim.uni-passau.de>
3420
3421         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
3422         with a zero dimension polyhedron.
3423         (find_scop_parameters): Move the call to scop_set_nb_params here.
3424         (build_loop_iteration_domains): Store in loop->aux the iteration
3425         domain polyhedron.
3426         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
3427         by any loop in scop.
3428         (build_poly_scop): Do not call scop_set_nb_params.
3429
3430 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3431             Tobias Grosser  <grosser@fim.uni-passau.de>
3432
3433         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
3434         add_condition_to_domain not GT_EXPR.
3435
3436 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3437
3438         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
3439         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
3440         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
3441         upper_bound_assign to calculate unions.
3442         * gcc.dg/graphite/id-6.c: New.
3443
3444 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3445
3446         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
3447         handle abnormal edges.
3448
3449 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3450
3451         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
3452         (free_poly_bb): Also free poly_drs.
3453         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
3454         (poly_dr): Polyhedron to Pointset_Powerset.
3455         (pdr_accessp_nb_subscripts): Same.
3456         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
3457         poly_drs.
3458
3459 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3460
3461         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
3462         names into more meaningful names.
3463
3464 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3465
3466         * gfortran.dg/graphite/interchange-1.c: New.
3467         * gfortran.dg/graphite/interchange-2.c: New.
3468
3469 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3470
3471         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
3472         the reduction_list.
3473         * tree-parloops.c (rewrite_phi_with_iv): New.
3474         (rewrite_all_phi_nodes_with_iv): New.
3475         (canonicalize_loop_ivs): Call them.
3476
3477 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3478
3479         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
3480         graphite_find_data_references_in_stmt.
3481         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
3482         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
3483
3484 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3485
3486         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
3487
3488 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3489
3490         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
3491         instead of bb_in_region.
3492         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
3493         (build_sese_conditions): Use flag_bb_in_sese.
3494         * sese.c (register_bb_in_sese): Removed.
3495         (new_sese): Remove initialization of SESE_REGION_BBS.
3496         (free_sese): Do not free SESE_REGION_BBS.
3497         * sese.h (struct sese): Remove field region_basic_blocks.
3498         (SESE_REGION_BBS): Removed.
3499         (bb_in_sese_p): Implement in function of bb_in_region.
3500
3501 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3502
3503         * graphite-scop-detection.c (limit_scops): Deal only with single exit
3504         loops.
3505
3506 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3507
3508         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
3509         and EQ_EXPR.
3510         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
3511         (add_condition_to_domain): New.
3512         (add_condition_to_pbb): New.
3513         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
3514         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
3515
3516 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3517
3518         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
3519         ppl_Pointset_Powerset.
3520         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
3521         * graphite-poly.h (poly_bb): poly_bb.domain Same.
3522         (pbb_nb_loops): Same.
3523         * graphite-sese-to-poly.c (build_loop_iteration_domains,
3524         add_conditions_to_domain): Same.
3525         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
3526         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
3527         ppl_const_Polyhedron_t.
3528         (ppl_print_powerset_matrix): New.
3529         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
3530         ppl_print_powerset_matrix): New.
3531         (ppl_print_polyhedron_matrix): Updated.
3532
3533 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3534
3535         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
3536
3537 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3538
3539         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
3540         (print_iteration_domains, debug_iteration_domain,
3541         debug_iteration_domains): New.
3542         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
3543         debug_iteration_domains): Declared.
3544         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
3545         indenting.
3546
3547 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3548             Sebastian Pop  <sebastian.pop@amd.com>
3549
3550         * graphite-poly.h (print_iteration_domain): New.
3551         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
3552         (build_sese_conditions_1, build_sese_conditions_after,
3553         build_sese_conditions_before): New.
3554         (build_sese_conditions): Rewritten.
3555
3556 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3557             Tobias Grosser  <grosser@fim.uni-passau.de>
3558
3559         Cleanup of code generation liveouts.
3560         * graphite-clast-to-gimple.c (translate_clast): Use a single
3561         rename_map instead of one per translated statement.
3562         Do not use SESE_LIVEOUT_RENAMES.
3563         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
3564         (gloog): Do not use SESE_LIVEOUT_RENAMES.
3565         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
3566         phi node of a reduction: when a loop contains a reduction used outside
3567         the loop, there should be a scalar close phi node on the exit block.
3568         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
3569         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
3570         (free_sese): Do not free them.
3571         (sese_build_liveouts_use): Do not use them.
3572         (sese_build_liveouts_bb): Same.
3573         (sese_build_liveouts): Same.
3574         (sese_insert_phis_for_liveouts): Same.
3575         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
3576         (defined_in_loop_p): New.
3577         (alive_after_loop): New.
3578         (close_phi_not_yet_inserted_p): New.
3579         (struct alep, alep_p): New.
3580         (add_loop_exit_phis): Remove from the rename_map all the names defined
3581         in the code generated loop.
3582         (insert_loop_close_phis): Traverse the rename_map passed to it.
3583         Don't use SESE_LIVEOUT_RENAMES.
3584         (default_liveout_before_guard): Renamed default_before_guard.
3585         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
3586         (graphite_copy_stmts_from_block): Do not directly call set_rename.
3587         (register_sese_liveout_renames): Removed.
3588         (copy_bb_and_scalar_dependences): Do not call it.
3589         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
3590         reduction_list.
3591         (SESE_LIVEOUT): Removed.
3592         (SESE_LIVEOUT_RENAMES): Removed.
3593         (SESE_REDUCTION_LIST): Removed.
3594         (sese_build_liveouts): Removed.
3595         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
3596         (insert_loop_close_phis): Pass a htab_t instead of a sese.
3597         (insert_guard_phis): Same.
3598         (rename_map_elt): Declare a VEC of them.
3599         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3600         trees not pointers to trees.
3601
3602         Rewrite in canonical close SSA form:
3603         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
3604         (limit_scops): Close the scop after the block containing the close phi
3605         nodes.
3606         (canonicalize_loop_closed_ssa): New.
3607         (canonicalize_loop_closed_ssa_form): New.
3608         (build_scops): Call canonicalize_loop_closed_ssa_form.
3609
3610         * graphite-sese-to-poly.c: Fix typos.
3611
3612 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3613
3614         * graphite-poly.c (print_scattering_function, print_pbb_domain):
3615         Extended.
3616         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
3617         (print_pbb): Add conditions.
3618
3619 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3620             Sebastian Pop  <sebastian.pop@amd.com>
3621
3622         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
3623         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
3624         (build_scop_bbs_1): New.
3625         (build_scop_bbs): Rewrite.
3626         * sese.h (bb_in_region): New.
3627
3628 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3629
3630         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3631         poly_drs vector.
3632         (print_scop): Style.
3633         * graphite-poly.h (poly_bb): Add drs vector.
3634         (PBB_DRS): Add accessor.
3635         * graphite-sese-to-poly.c (build_poly_dr): New.
3636         (build_pbb_drs, build_scop_drs): New.
3637         (build_poly_scop): call build_scop_drs (Disabled at the moment).
3638
3639 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3640
3641         * tree-ssa-loop.c: Include forgotten toplev.h
3642
3643 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3644
3645         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
3646         * gcc.dg/graphite/pr37883.c: Remove -floop-*
3647         * gcc.dg/graphite/pr37928.c: Same
3648         * gcc.dg/graphite/pr38409.c: Same
3649         * gcc.dg/graphite/pr38498.c: Same
3650         * gcc.dg/graphite/pr38559.c: Same
3651         * gcc.dg/graphite/pr39335.c: Same
3652         * gcc.dg/graphite/pr39335_1.c: Same
3653         * gfortran.dg/graphite/block-2.f: Same
3654         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
3655         with -floop-*.
3656
3657 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
3658
3659         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
3660         build_access_matrix, build_scop_data_accesses): Remove access function
3661         building. (We get a new version soon).
3662         (build_bb_loops, scan_tree_for_params_right_scev): Update.
3663         * sese.h (nb_loops_around_loop_in_sese): Remove.
3664         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
3665
3666 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
3667             Sebastian Pop  <sebastian.pop@amd.com>
3668
3669         * graphite-scop-detection.c (struct scopdet_info): Rename last
3670         field to exit.
3671         (scopdet_basic_block_info, build_scops_1): Don't use
3672         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
3673
3674 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
3675             Sebastian Pop  <sebastian.pop@amd.com>
3676
3677         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
3678         * sese.c (sese_build_liveouts_use): Renamed from
3679         sese_build_livein_liveouts_use. Remove liveins.
3680         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
3681         Call sese_build_liveouts_use.
3682         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
3683         Call sese_build_liveouts_bb.
3684         (new_sese, free_sese): Remove liveins.
3685         (sese_add_exit_phis_var): Deleted.
3686         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
3687         directly.
3688         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
3689
3690         * sese.h (sese): Remove num_ver and livein.
3691         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
3692
3693 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3694
3695         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
3696
3697 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3698
3699         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
3700         (build_scop_scattering): Do not use compare_prefix_loops any more.
3701         (nb_common_loops): New.
3702
3703 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3704
3705         * sese.c (get_new_name_from_old_name): Renamed get_rename.
3706         (register_old_and_new_names): Renamed set_rename.
3707
3708 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3709
3710         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
3711         of the decl from the previous commit.
3712
3713 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3714
3715         * graphite-scop-detection.c (dot_scop): New.
3716         * graphite-scop-detection.h (dot_scop): Declared.
3717
3718 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3719
3720         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
3721
3722 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3723
3724         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
3725         condition at the end of the loop.
3726         * graphite.c (graphite_initialize, graphite_finalize): Print to
3727         dump_file the compiled function.
3728         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
3729         of create_empty_loop_on_edge.
3730         (translate_clast): Update the code generation of loops for the new
3731         shape of loops.
3732         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
3733
3734 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3735
3736         Reverted the patch from 2009-03-19.
3737
3738 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3739
3740         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3741         poly_drs vector.
3742         (print_scop): Style.
3743         * graphite-poly.h (poly_bb): Add drs vector.
3744         (PBB_DRS): Add accessor.
3745         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
3746         (build_access_matrix_with_af, build_access_matrix,
3747         build_scop_data_accesses): Delete.
3748         (build_poly_dr): New.
3749         (build_pbb_drs, build_scop_drs): New.
3750         (build_poly_scop): call build_scop_drs.
3751
3752 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3753
3754         * graphite-scop-detection.c (dot_all_scops_1): Close the table
3755         once per basic block.
3756
3757 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3758
3759         * graphite-scop-detection.c (graphite_can_represent_scev): New.
3760         (graphite_can_represent_expr): Renamed from loop_affine_expr
3761         and enhanced.
3762         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
3763         (graphite_cannot_represent_loop): Add scop_entry to parameters.
3764         (scopdet_basic_block_info): Actually define entry_block.
3765         (stmt_simple_memref_p): Moved here from ...
3766
3767         * tree-data-ref.c (stmt_simple_memref_p): here.
3768         * tree-data-ref.h (stmt_simple_memref_p): Removed.
3769
3770 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3771
3772         * gcc.dg/graphite/id-4.c: New.
3773
3774 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3775
3776         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3777         (register_old_and_new_names): Update the content of the map.
3778         When there was already a rename_map_elt in the map at that
3779         location, free it.
3780         (copy_bb_and_scalar_dependences): Do rename_variables after
3781         expand_scalar_variables.
3782         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3783         of the map.  When there was already a rename_map_elt in the
3784         map at that location, free it.
3785         (translate_clast): Pass the rename_map.  Do not initialize and free
3786         a rename_map per stmt_user.
3787         (gloog): Initialize and free one rename_map and pass it to
3788         translate_clast.
3789
3790 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3791
3792         * sese.c (expand_scalar_variables_stmt,
3793         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
3794         parameter.
3795         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
3796         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
3797         the gimple_stmt_iterator of the statement to be expanded.
3798         * graphite-scop-detection.c (is_simple_operand): Do handle
3799         REALPART_EXPR.
3800
3801 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3802
3803         * graphite-scop-detection.c (is_simple_operand): Do not handle
3804         REALPART_EXPR.
3805         * gcc.dg/graphite/id-2.c: New.
3806
3807         * graphite-sese-to-poly.c (build_bb_loops,
3808         add_value_to_dim, scan_tree_for_params_right_scev,
3809         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
3810         find_params_in_bb, build_loop_iteration_domains,
3811         add_conditions_to_domain): Remove subtract.
3812
3813 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3814
3815         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
3816         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
3817         pbb_loop_at_index -> gbb_loop_at_index.
3818         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
3819         (debug_loop_vec): Delete.
3820         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
3821         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
3822         (PBB_LOOPS): Removed.
3823         (PBB_BLACK_BOX): Insert cast.
3824         (pbb_set_black_box): New setter.
3825         (pbb_loop_at_index, pbb_loop_index): Removed.
3826         (scop_set_region, scop_set_nb_params): New.
3827         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
3828         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
3829         (build_poly_scop): Use scop_set_nb_params.
3830         * sese.h (gimple_bb): Add LOOPS.
3831         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
3832
3833 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3834
3835         Revert previous commit.
3836
3837 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3838
3839         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3840         (register_old_and_new_names): Update the content of the map.
3841         When there was already a rename_map_elt in the map at that
3842         location, free it.
3843         (copy_bb_and_scalar_dependences): Do rename_variables after
3844         expand_scalar_variables.
3845         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3846         of the map.  When there was already a rename_map_elt in the
3847         map at that location, free it.
3848         (translate_clast): Pass the rename_map.  Do not initialize and free
3849         a rename_map per stmt_user.
3850         (gloog): Initialize and free one rename_map and pass it to
3851         translate_clast.
3852
3853 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3854
3855         Remove forgotten line in revert.
3856
3857 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3858
3859         Revert previous commit.
3860
3861 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3862
3863         * sese.c (register_old_and_new_names): Update the content
3864         of the map.  When there was already a rename_map_elt in the
3865         map at that location, free it.
3866         (copy_bb_and_scalar_dependences): Do rename_variables after
3867         expand_scalar_variables.
3868         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3869         of the map.  When there was already a rename_map_elt in the
3870         map at that location, free it.
3871         (translate_clast): Pass the rename_map.  Do not initialize and free
3872         a rename_map per stmt_user.
3873         (gloog): Initialize and free one rename_map and pass it to
3874         translate_clast.
3875
3876 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3877
3878         * graphite-clast-to-gimple.c (translate_clast): context_loop
3879         is never NULL.
3880
3881 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3882             Sebastian Pop  <sebastian.pop@amd.com>
3883
3884         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
3885         of the use of ppl_Polyhedron_map_space_dimensions.
3886
3887 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3888             Sebastian Pop  <sebastian.pop@amd.com>
3889
3890         * graphite-poly.c (unify_scattering_dimensions): Fix types.
3891         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
3892         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
3893         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
3894         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
3895         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
3896         pbb_nb_params): New.
3897         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
3898         nb_loops_around_pbb): Adapt return types.
3899
3900 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3901
3902         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3903         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3904         graphite-scop-detection.o, graphite-poly.o): Add
3905         more headers.
3906
3907 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3908
3909         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3910         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3911         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
3912
3913 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3914
3915         * gcc.dg/graphite/pr37485.c: Remove -floop-block
3916         * gcc.dg/graphite/pr37828.c: Same.
3917         * gcc.dg/graphite/pr37684.c: Same.
3918         * gcc.dg/graphite/block-0.c: Same.
3919         * gcc.dg/graphite/block-1.c: Same.
3920         * gcc.dg/graphite/block-2.c: Same.
3921         * gcc.dg/graphite/block-3.c: Same.
3922         * gcc.dg/graphite/block-4.c: Same.
3923         * gcc.dg/graphite/block-5.c: Same.
3924         * gcc.dg/graphite/block-6.c: Same.
3925         * gfortran.dg/graphite/pr38083.f90: Same.
3926         * gfortran.dg/graphite/block-1.f90: Same.
3927         * gfortran.dg/graphite/block-3.f90: Same.
3928         * gfortran.dg/graphite/pr37852.f90: Same.
3929         * gfortran.dg/graphite/block-4.f90: Same.
3930         * gfortran.dg/graphite/pr37980.f90: Same.
3931         * gfortran.dg/graphite/pr38953.f90: Same.
3932         * gfortran.dg/graphite/pr37857.f90: Same.
3933         * opts.c: Remove -floop-block from -O2.
3934         * graphite-poly.c: Fail if -floop-block -floop-interchange or
3935         -floop-strip-mine are used.
3936
3937 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3938             Sebastian Pop  <sebastian.pop@amd.com>
3939
3940         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
3941         dimensions.
3942         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
3943         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
3944         strip_mine_profitable_p, is_interchange_valid,
3945         graphite_trans_bb_block, graphite_trans_loop_block,
3946         graphite_trans_scop_block): Temporary removed.
3947         (extend_scattering, unify_scattering_dimensions): New.
3948         (print_scattering_function, graphite_read_transforms):
3949         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3950         (graphite_generate_scattering_fns): Removed.
3951         (apply_poly_transforms): Cleanup.
3952         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3953         (schedule_to_scattering): Moved.
3954         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
3955         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
3956         (pbb_nb_scattering): New.
3957         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3958         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
3959         Removed.
3960         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
3961         shift_poly.
3962         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3963         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
3964         -> PBB_TRANSFORMED_SCATTERING.
3965         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
3966         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
3967         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
3968         (check_poly_representation): Do not return bool.
3969         (graphite_transform_loops): Reformat.
3970         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
3971
3972 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
3973
3974         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
3975         debug_pbb_domain, debug_pbb, debug_scop): New.
3976         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
3977         debug_pbb_domain, debug_pbb, debug_scop): Declared.
3978
3979 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3980
3981         PR middle-end/39335
3982         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3983         when the type precision of the induction variable should be
3984         larger than the type precision of nit.
3985         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3986         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
3987         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3988
3989         * gcc.dg/graphite/pr39335_1.c: New.
3990         * gcc.dg/graphite/pr39335.c: New.
3991
3992 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3993
3994         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3995         SSA_NAMES not struct reduction_info.
3996
3997 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3998
3999         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
4000
4001 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4002             Tobias Grosser  <grosser@fim.uni-passau.de>
4003
4004         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
4005         (free_sese): Free SESE_REDUCTION_LIST.
4006         * sese.h (struct sese): Add field reduction_list.
4007         (SESE_REDUCTION_LIST): New.
4008         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
4009         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
4010
4011 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4012             Tobias Grosser  <grosser@fim.uni-passau.de>
4013
4014         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
4015         of loop_p.
4016
4017 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4018             Tobias Grosser  <grosser@fim.uni-passau.de>
4019
4020         * tree-parloops.c (struct brli, build_reduction_list_info,
4021         analyze_reduction_list, gather_scalar_reductions): New.
4022         (loop_parallel_p): Build a reduction list containing only
4023         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
4024         (gen_parallel_loop): Call the analysis analyze_reduction_list.
4025         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
4026         * tree-flow.h (gather_scalar_reductions): Declared.
4027
4028 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
4029
4030         PR middle-end/39308
4031         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
4032         number_of_iterations_exit from a gcc_assert.
4033
4034 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
4035             Jan Sjodin  <jan.sjodin@amd.com>
4036
4037         * output.h (graphite_out_file, graphite_in_file): Declared.
4038         * toplev.c (graphite_out_file, graphite_in_file): New.
4039         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
4040         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
4041         Don't call schedule_to_scattering.
4042         * common.opt (fgraphite-write, fgraphite-read): New.
4043         * graphite-poly.c: Include output.h.
4044         (print_scattering_function, print_scattering_functions,
4045         debug_scattering_function, debug_scattering_functions,
4046         graphite_write_transforms, graphite_read_transforms,
4047         graphite_generate_scattering_fns): New.
4048         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
4049         Call graphite_generate_scattering_fns, graphite_write_transforms,
4050         graphite_read_transforms.
4051         (new_poly_bb): Initialize PBB_SCATTERING.
4052         (free_poly_bb): Free PBB_SCATTERING.
4053         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
4054         * graphite-poly.h (struct poly_bb): Add field scattering.
4055         (PBB_SCATTERING): New.
4056         (print_scattering_function, print_scattering_functions,
4057         debug_scattering_function, debug_scattering_functions): Declared.
4058         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
4059         GMP values, not integers!
4060         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
4061         ppl_read_polyhedron_matrix): New.
4062         * graphite-ppl.h (ppl_print_polyhedron_matrix,
4063         debug_ppl_polyhedron_matrix,
4064         ppl_read_polyhedron_matrix): Declared.
4065         * Makefile.in (graphite-poly.o): Depends on output.h.
4066
4067 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4068             Tobias Grosser  <grosser@fim.uni-passau.de>
4069
4070         Revert this change:
4071         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
4072         scalar evolutions in the scop_entry->loop_father.
4073
4074 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4075             Tobias Grosser  <grosser@fim.uni-passau.de>
4076
4077         * graphite.h (ref_nb_loops): Remove declaration.
4078         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
4079         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
4080         debug_gbb): Moved to sese.h.
4081         * sese.h: As said.
4082
4083 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4084             Tobias Grosser  <grosser@fim.uni-passau.de>
4085
4086         * graphite-data-ref.[ch]: Disable.
4087
4088 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4089             Tobias Grosser  <grosser@fim.uni-passau.de>
4090
4091         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
4092         scalar evolutions in the scop_entry->loop_father.
4093
4094 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4095
4096         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
4097         (graphite_cannot_represent_loop_niter): Renamed
4098         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
4099         (limit_scops): build_sese_loop_nests does not return a bool.
4100         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
4101         * sese.c (nb_reductions_in_loop): ... from here.
4102         (graphite_loop_normal_form): ... from here.
4103         (sese_record_loop): Does not fail, so does not return a bool.
4104         (build_sese_loop_nests): Same.
4105         * sese.h (build_sese_loop_nests): Update declaration.
4106         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
4107         (build_graphite_loop_normal_form): New.
4108         (gloog): Call build_graphite_loop_normal_form.
4109         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
4110         build_sese_loop_nests.
4111
4112         * gcc.dg/graphite/id-1.c: New.
4113
4114 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4115             Tobias Grosser  <grosser@fim.uni-passau.de>
4116
4117         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
4118         The SCoP detection fix is sufficient.
4119
4120 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4121
4122         PR tree-optimization/39260
4123         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
4124         the basic block contains a condition with a real type.
4125         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
4126
4127         * gcc.dg/graphite/pr39260.c: New.
4128
4129 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4130
4131         * graphite-poly.c: Inlcude params.h.
4132         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
4133         the size of a tile.
4134         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
4135         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
4136
4137 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4138             Tobias Grosser  <grosser@fim.uni-passau.de>
4139
4140         * graphite-scop-detection.c (dot_all_scops_1,
4141         dot_all_scops): Moved here.
4142         * graphite-scop-detection.h (dot_all_scops): Declared here.
4143         * graphite.c (graphite_initialize, graphite_finalize): New.
4144         (graphite_transform_loops): Cleaned up.
4145         * sese.c (debug_oldivs): Moved here.
4146         * graphite-poly.c (graphite_apply_transformations): Renamed
4147         apply_poly_transforms.
4148         (debug_loop_vec): Moved here.
4149         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
4150         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
4151         find_scop_parameters, build_scop_iteration_domain,
4152         add_conditions_to_constraints, build_scop_canonical_schedules,
4153         build_scop_data_accesses): Now static.
4154         (build_poly_scop, check_poly_representation): New.
4155
4156 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4157
4158         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
4159         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
4160         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
4161         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
4162         scan_tree_for_params_right_scev, scan_tree_for_params_int,
4163         scan_tree_for_params, struct irp_data, dx_record_params,
4164         find_params_in_bb, find_scop_parameters, gbb_from_bb,
4165         build_loop_iteration_domains, add_conditions_to_domain,
4166         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
4167         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
4168         build_sese_conditions, add_conditions_to_constraints,
4169         build_scop_iteration_domain, build_access_matrix_with_af,
4170         build_access_matrix,
4171         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
4172
4173         * graphite-sese-to-poly.c: New.
4174         * graphite-sese-to-poly.h: New.
4175
4176         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
4177
4178 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4179
4180         * graphite.c: Split graphite code generation to a new file.
4181         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
4182         max_precision_type, clast_to_gcc_expression_red,
4183         clast_to_gcc_expression, gcc_type_for_clast_expr,
4184         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
4185         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
4186         graphite_create_new_guard, clast_get_body_of_loop,
4187         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
4188         graphite_create_new_loop, build_iv_mapping, copy_renames,
4189         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4190         compute_cloog_iv_types, free_scattering, save_var_name,
4191         initialize_cloog_names, build_scop_context, build_cloog_prog,
4192         set_cloog_options, debug_clast_stmt, scop_to_clast,
4193         print_generated_program, debug_generated_program,
4194         gloog): Moved to graphite-clast-to-gimple.c.
4195
4196         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
4197
4198         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
4199         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
4200         loop_iv_stack_pop, loop_iv_stack_get_iv,
4201         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
4202         free_loop_iv_stack, loop_iv_stack_remove_constants,
4203         debug_rename_elt, debug_rename_map_1, debug_rename_map,
4204         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
4205         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
4206         eq_ivtype_map_elts, sese_add_exit_phis_edge,
4207         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
4208         get_vdef_before_sese, sese_adjust_vphi,
4209         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
4210         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
4211         is_iv, expand_scalar_variables_ssa_name,
4212         expand_scalar_variables_expr, expand_scalar_variables_stmt,
4213         expand_scalar_variables, rename_variables, remove_condition,
4214         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
4215         add_loop_exit_phis, insert_loop_close_phis, struct igp,
4216         default_liveout_before_guard, add_guard_exit_phis,
4217         insert_guard_phis, register_old_and_new_names,
4218         graphite_copy_stmts_from_block, register_sese_liveout_renames,
4219         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
4220         if_region_set_false_region, create_if_region_on_edge,
4221         move_sese_in_condition): Moved to sese.c.
4222
4223         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
4224         if_region_exit, if_region_get_condition_block,
4225         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
4226         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
4227         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
4228         ivtype_map_elt, new_ivtype_map_elt,
4229         recompute_all_dominators): Moved to sese.h.
4230
4231         * graphite-clast-to-gimple.c: New.
4232         * graphite-clast-to-gimple.h: New.
4233         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
4234         * sese.c: Modified as said above.
4235         * sese.h: Same.
4236
4237 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4238
4239         * graphite.c: Split scop detection to a new file.
4240         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
4241         move_sd_regions, loop_affine_expr, exclude_component_ref,
4242         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
4243         graphite_cannot_represent_loop_niter, struct scopdet_info,
4244         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
4245         find_single_entry_edge, find_single_exit_edge,
4246         create_single_entry_edge, sd_region_without_exit,
4247         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
4248         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
4249         Moved to graphite-scop-detection.c.
4250
4251         * graphite-scop-detection.c: New.
4252         * graphite-scop-detection.h: New.
4253         * Makefile.in: Add new rule for graphite-scop-detection.o.
4254
4255         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
4256         tree-scalar-evolution.h.
4257         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
4258         build_sese_loop_nests): Moved here from graphite.c.
4259         (param_index): Renamed parameter_index_in_region.
4260
4261 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4262             Sebastian Pop  <sebastian.pop@amd.com>
4263
4264         * gcc.dg/graphite/block-0.c: Expected to fail now.
4265         * gcc.dg/graphite/block-1.c: Same.
4266         * gcc.dg/graphite/block-5.c: Same.
4267         * gcc.dg/graphite/block-6.c: Same.
4268
4269 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4270             Sebastian Pop  <sebastian.pop@amd.com>
4271
4272         * graphite.h: Separate from graphite_bb_p the polyhedral
4273         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
4274         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
4275         graphite-data-ref.h.
4276         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
4277         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
4278         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
4279         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
4280         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
4281         scop_nb_params): Moved to graphite-poly.h.
4282         * graphite-data-ref.c: Same.
4283         * graphite-data-ref.h: New.
4284         * graphite.c: Same.
4285         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
4286         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
4287         is_interchange_valid, graphite_trans_bb_block,
4288         graphite_trans_loop_block, scop_max_loop_depth,
4289         graphite_trans_scop_block, graphite_apply_transformations,
4290         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
4291         graphite-poly.c.
4292         * graphite-poly.h: New.
4293         * graphite-poly.c: New.
4294         * Makefile.in (OBJS-common): Add graphite-poly.o.
4295         (graphite-poly.o): New rule.
4296         * tree-data-ref.h (struct data_reference): Remove unused scop field.
4297         (DR_SCOP): Removed.
4298
4299 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4300             Tobias Grosser  <grosser@fim.uni-passau.de>
4301
4302         * graphite.c: Replace gb -> gbb.
4303         * graphite.h: Same.
4304         * graphite-data-ref.c: Same.
4305
4306 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4307             Tobias Grosser  <grosser@fim.uni-passau.de>
4308
4309         * Makefile.in (OBJS-commmon): Add sese.o.
4310         (sese.o): New.
4311         (graphite.o): Add sese.h.
4312         * graphite.c (bb_in_ss_p, loop_in_sese_p,
4313         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
4314         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
4315         Move to sese.
4316         (block_before_scop): Add missing return.
4317         (new_scop, free_scop): Remove SESE data structures.
4318         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
4319         find_scop_parameters, build_loop_iteration_domains,
4320         add_conditions_to_domain, register_scop_liveout_renames,
4321         copy_bb_and_scalar_dependences): Scop -> SESE.
4322
4323         (add_conditions_to_domain): SCoP -> SESE and remove check
4324         (scop_contains_non_iv_scalar_phi_nodes): New.
4325         (build_scop_conditions_1, build_scop_conditions): Remove check for
4326         non iv scalar phi nodes.
4327         (print_scop_statistics): New.
4328         (graphite_transform_loops): Cleanup.
4329
4330         * graphite.h: Move to sese & cleanup.
4331         * sese.c: New.
4332         * sese.h: New.
4333
4334 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4335             Tobias Grosser  <grosser@fim.uni-passau.de>
4336
4337         * graphite.c (build_scop_conditions_1): Conditions are only
4338         at the end of a basic block.
4339
4340 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4341             Tobias Grosser  <grosser@fim.uni-passau>
4342
4343         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
4344         field.
4345         (GBB_ALPHA): Removed.
4346
4347 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4348             Tobias Grosser  <grosser@fim.uni-passau.de>
4349
4350         * graphite-data-ref.c (graphite_test_dependence): Don't use
4351         GBB_DYNAMIC_SCHEDULE.
4352         * graphite.c (new_graphite_bb): Same.
4353         (free_graphite_bb): Same.
4354         (build_scop_dynamic_schedules): Removed.
4355         (graphite_transform_loops): Don't call it.
4356         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
4357         (GBB_DYNAMIC_SCHEDULE): Removed.
4358
4359 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4360             Tobias Grosser  <grosser@fim.uni-passau.de>
4361
4362         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
4363         (print_graphite_bb): Same.
4364         (build_cloog_prog): Same.
4365
4366 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4367             Tobias Grosser  <grosser@fim.uni-passau.de>
4368
4369         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
4370
4371 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4372             Tobias Grosser  <grosser@fim.uni-passau.de>
4373
4374         * graphite.c (build_scop_context): Don't use CloogMatrix.
4375         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
4376         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
4377
4378 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4379             Tobias Grosser  <grosser@fim.uni-passau.de>
4380
4381         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
4382         liveout_renames, add_params fields...
4383         (struct sese): ... here.
4384         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
4385         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
4386
4387 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4388             Tobias Grosser  <grosser@fim.uni-passau.de>
4389
4390         * graphite.c (print_scop): Do not print the CLooG program.
4391         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
4392         build_cloog_prog, gloog): Don't use SCOP_PROG.
4393         (find_transform): Renamed scop_to_clast.
4394         (print_generated_program, debug_generated_program): New.
4395         (graphite_transform_loops): Adapt to new interface.
4396         * graphite.h (struct scop): Remove program field.
4397         (SCOP_PROG): Removed.
4398         (print_generated_program, debug_generated_program): Declared.
4399
4400 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4401
4402         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
4403         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
4404         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
4405         free_graphite_bb, build_scop_canonical_schedules,
4406         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
4407         schedules are now represented using a ppl_Linear_Expression_t.
4408         * graphite.h (struct graphite_bb): Same.
4409         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
4410         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
4411
4412 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
4413
4414         * graphite.c: Free local memory.
4415         * graphite-ppl.c: Same.
4416
4417 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
4418
4419         * graphite.c (const_column_index, get_first_matching_sign_row_index,
4420         get_lower_bound_row, get_upper_bound_row, copy_constraint,
4421         swap_constraint_variables, scale_constraint_variable): Removed.
4422         (graphite_trans_bb_strip_mine): Remove pong.
4423         * graphite-ppl.c: Include missing header files.
4424         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
4425         * graphite-ppl.h (ppl_strip_loop): Declared.
4426         * Makefile.in (graphite-ppl.o): Adjust dependences.
4427
4428 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
4429
4430         * graphite.c (build_loop_iteration_domains): Remove ping pong.
4431         (build_scop_iteration_domain): Same.
4432
4433 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
4434
4435         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4436         ping pong.
4437         (add_value_to_dim, scan_tree_for_params_right_scev,
4438         scan_tree_for_params_int): New.
4439         * graphite-ppl.c (oppose_constraint): New.
4440         (insert_constraint_into_matrix): Implement missing cases.
4441         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4442
4443 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
4444
4445         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4446         use ppl_move_dimension.
4447
4448 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
4449
4450         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
4451         * graphite.c: Same.
4452         * graphite.h: Same.
4453         * graphite-ppl.c: Same.
4454         * graphite-ppl.h: Same.
4455
4456 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
4457
4458         Revert last 3 commits.
4459
4460 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4461
4462         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4463         ping pong.
4464         (add_value_to_dim, scan_tree_for_params_right_scev,
4465         scan_tree_for_params_int): New.
4466         * graphite-ppl.c (oppose_constraint): New.
4467         (insert_constraint_into_matrix): Implement missing cases.
4468         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4469
4470 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4471
4472         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
4473
4474 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4475             Tobias Grosser  <grosser@fim.uni-passau.de>
4476
4477         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4478         use ppl_move_dimension.
4479         * graphite-ppl.c (ppl_move_dimension): New.
4480         * graphite-ppl.h (ppl_move_dimension): Declared.
4481
4482 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4483
4484         * graphite.c: Do not include cloog/cloog.h.
4485         (print_graphite_bb): Remove ping pong, call PPL print function.
4486
4487 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4488
4489         * Makefile.in (OBJS-common): Add graphite-ppl.o.
4490         (graphite.o): Add dependence on graphite-ppl.h.
4491         (graphite-ppl.o): New.
4492         (graphite-data-ref.c): Ping pong between PPL data structures
4493         and matrices.
4494         * graphite-ppl.c: New.
4495         * graphite-ppl.h: New.
4496         * graphite.c: Include graphite-ppl.h.
4497         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
4498         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
4499         Ping pong between PPL data structures and matrices.
4500         (new_graphite_bb): Create a PPL constraint system.
4501         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
4502         (build_loop_iteration_domains): Use PPL functions.
4503         * graphite.h: Include graphite-ppl.h.  Fix comments.
4504         (graphite_bb): Use a ppl_Constraint_System_t instead of
4505         CloogMatrix for representing the domain.
4506         (scop): Remove static_schedule.
4507         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
4508
4509 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
4510
4511         * graphite.c: Fix some comments.
4512
4513 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
4514
4515         PR middle-end/38953
4516         * graphite.c (if_region_set_false_region): After moving a region
4517         in the false branch of a condition, remove the empty dummy
4518         basic block.
4519         (gloog): Remove wrong fix for PR38953.
4520
4521 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4522
4523         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4524         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4525         register_bb_in_sese, new_sese, free_sese): Moved.
4526         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4527         outermost_loop_in_scop, build_scop_iteration_domain,
4528         expand_scalar_variables_ssa_name, get_vdef_before_scop,
4529         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4530         Use loop_in_sese_p instead of loop_in_scop_p.
4531         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
4532         (free_scop): Do not free SCOP_BBS_B.
4533         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
4534         ref_nb_loops): Moved here...
4535         * graphite.h (ref_nb_loops): ... from here.
4536         (struct scop): Remove bbs_b bitmap.
4537         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4538         * gcc.dg/graphite/scop-19.c: New
4539
4540 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4541
4542         * graphite.c (scopdet_basic_block_info): Fix bug in scop
4543         detection.
4544
4545 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4546
4547         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4548         eq_loop_to_cloog_loop): Remove.
4549         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
4550         * graphite.h (struct scop): Remove loop2cloog_loop.
4551         (loop_domain_dim, loop_iteration_vector_dim): Remove.
4552
4553 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4554
4555         * opts.c (decode_options): Only add graphite options to O2
4556         if we compile with graphite enabled.
4557
4558 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4559
4560         * Merge from mainline (r143163:143684).
4561
4562 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4563
4564         * graphite.c (debug_value): Removed.
4565         * graphite.h (debug_value): Removed.
4566
4567 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4568
4569         * passes.c (init_optimization_passes): Do not call pass_copy_prop
4570         after graphite: pass_copy_prop does not maintain a proper loop closed
4571         SSA form.  pass_copy_prop should be fixed.
4572
4573 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4574
4575         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
4576
4577 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4578
4579         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4580         (gloog): Split the exit of the scop when the scop exit is a loop exit.
4581         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4582         changed the CFG.
4583
4584 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
4585
4586         * graphite.c (gloog): Return true when code gen succeeded.
4587         (graphite_transform_loops): Do not call cleanup_tree_cfg if
4588         the code of the function did not changed.  After cleanup_tree_cfg
4589         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
4590         form.
4591
4592 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
4593
4594         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4595         gimple_call_lhs is NULL.
4596
4597 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4598             Tobias Grosser  <tobi.grosser@amd.com>
4599
4600         * graphite.c (graphite_trans_scop_block): Do not block single
4601         nested loops.
4602
4603 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4604             Tobias Grosser  <tobi.grosser@amd.com>
4605
4606         * graphite.c (build_scop_canonical_schedules): Start schedules at
4607         zero.
4608
4609 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4610             Tobias Grosser  <tobi.grosser@amd.com>
4611
4612         * graphite.c (compare_prefix_loops): New.
4613         (build_scop_canonical_schedules): Rewritten.
4614         (graphite_transform_loops): Move build_scop_canonical_schedules
4615         after build_scop_iteration_domain.
4616
4617 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4618             Tobias Grosser  <tobi.grosser@amd.com>
4619
4620         * graphite.c (add_conditions_to_domain): Add the loops to
4621         the dimension of the iteration domain.  Do copy the domain
4622         only when it exists.
4623         (build_scop_conditions_1): Do not call add_conditions_to_domain.
4624         (add_conditions_to_constraints): New.
4625         (can_generate_code_stmt, can_generate_code): Removed.
4626         (gloog): Do not call can_generate_code.
4627         (graphite_transform_loops): Call add_conditions_to_constraints
4628         after building the iteration domain.
4629
4630 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4631             Tobias Grosser  <tobi.grosser@amd.com>
4632             Jan Sjodin  <jan.sjodin@amd.com>
4633
4634         * graphite.c (scan_tree_for_params): On substractions negate
4635         all the coefficients of the term.
4636         (clast_to_gcc_expression_red): New.  Handle reduction expressions
4637         of more than two operands.
4638         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
4639         (get_vdef_before_scop): Handle also the case of default definitions.
4640
4641 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4642
4643         PR middle-end/38431
4644         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
4645         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
4646         (gloog): Do not call cleanup_tree_cfg.
4647         (graphite_transform_loops): Call cleanup_tree_cfg after all
4648         scops have been code generated.
4649
4650 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4651
4652         * passes.c (init_optimization_passes): Schedule after
4653         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
4654
4655 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4656
4657         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
4658         Fix comment.
4659         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
4660         Set the type of an expression to the type of its assign statement.
4661         (expand_scalar_variables_expr):  Do not pass loop_p.
4662         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
4663         (copy_bb_and_scalar_dependences): Do not pass loop_p.
4664         (translate_clast): Update call to copy_bb_and_scalar_dependences.
4665
4666 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4667
4668         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
4669         an expression to the gimple_expr_type of its assign statement.
4670         (expand_scalar_variables_expr): Stop recursion on tcc_constant
4671         or tcc_declaration.
4672
4673 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4674
4675         PR tree-optimization/38786
4676         * gcc.dg/graphite/pr38786.c: New.
4677         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
4678         the SSA_NAME case of expand_scalar_variables_expr.
4679         (expand_scalar_variables_expr): Also gather the scalar computation
4680         used to index the memory access.
4681         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
4682         the gimple_stmt_iterator where it inserts new code.
4683
4684 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4685
4686         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
4687
4688 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4689
4690         * opts.c (decode_options): Enable flag_graphite_identity and
4691         flag_loop_block in -O2 and above.
4692
4693 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4694
4695         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
4696         Fix merge problem: replace with the file from trunk.
4697
4698 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4699
4700         * Merge from mainline (r141727:143163).
4701
4702 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
4703             Jan Sjodin  <jan.sjodin@amd.com>
4704
4705         PR tree-optimization/38559
4706         * gcc.dg/graphite/pr38559.c: New.
4707
4708         * graphite.c (debug_value, copy_constraint,
4709         swap_constraint_variables, scale_constraint_variable, ): New.
4710         (get_lower_bound, get_upper_bound): Removed.
4711         (graphite_trans_bb_strip_mine): Clean up this code that works
4712         only for constant number of iterations.  Fully copy upper and
4713         lower bound constraints, not only the constant part of them.
4714         * graphite.h (debug_value): Declared.
4715
4716 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
4717
4718         PR tree-optimization/38492
4719         PR tree-optimization/38498
4720         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4721         * tree-chrec.h (scev_is_linear_expression): Declared.
4722         * graphite.c (graphite_cannot_represent_loop_niter): New.
4723         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4724         (graphite_loop_normal_form): Use gcc_assert.
4725         (scan_tree_for_params): Use CASE_CONVERT.
4726         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4727         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4728         Use gcc_assert.  Discard scops that contain unhandled cases.
4729         (build_scop_conditions): Return a boolean status for unhandled cases.
4730         (strip_mine_profitable_p): Print the loop number, not its depth.
4731         (is_interchange_valid): Pass the depth of the loop nest, don't
4732         recompute it wrongly.
4733         (graphite_trans_bb_block): Same.
4734         (graphite_trans_bb_block): Print tentative of loop blocking.
4735         (graphite_trans_scop_block): Do not print that the loop has been
4736         blocked.
4737         (graphite_transform_loops): Do not handle scops that contain condition
4738         scalar phi nodes.
4739
4740         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
4741         in trunk.
4742         * gcc.dg/graphite/block-0.c: Update test.
4743         * gcc.dg/graphite/block-1.c: Same.
4744         * gcc.dg/graphite/block-2.c: Remove xfail and test for
4745         blocking.
4746         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
4747         * gcc.dg/graphite/block-3.c: New.
4748         * gcc.dg/graphite/pr38498.c: New.
4749
4750 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
4751
4752         PR tree-optimization/38510
4753         * gcc.dg/graphite/pr38510.c: New.
4754         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4755           (translate_clast): Call recompute_all_dominators before
4756           graphite_verify.
4757           (gloog): Call recompute_all_dominators before graphite_verify.
4758
4759 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
4760
4761         PR tree-optimization/38492
4762         * graphite.c (rename_map_elt, debug_rename_elt,
4763         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4764         rename_map_elt_info, eq_rename_map_elts,
4765         get_new_name_from_old_name, bb_in_sese_p): Moved around.
4766         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4767         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4768         (sese_build_livein_liveouts): New.
4769         (new_sese, free_sese): New.
4770         (new_scop): Call new_sese.
4771         (free_scop): Call free_sese.
4772         (rename_variables_from_edge, rename_phis_end_scop): Removed.
4773         (register_old_new_names): Renamed register_old_and_new_names.
4774         (register_scop_liveout_renames, add_loop_exit_phis,
4775         insert_loop_close_phis, struct igp,
4776         default_liveout_before_guard, add_guard_exit_phis,
4777         insert_guard_phis, copy_renames): New.
4778         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4779         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4780         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4781         (scop_adjust_phis_for_liveouts): New.
4782         (gloog): Call scop_adjust_phis_for_liveouts.
4783
4784         * graphite.h (struct sese): Documented.  Added fields liveout,
4785         num_ver and livein.
4786         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4787         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4788         (struct scop): Added field liveout_renames.
4789         (SCOP_LIVEOUT_RENAMES): New.
4790
4791 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4792
4793         PR tree-optimization/38409
4794         * gcc.dg/graphite/pr38409.c: New.
4795         * graphite.c (nb_reductions_in_loop): Use simple_iv.
4796
4797 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4798
4799         * graphite.c (gcc_type_for_cloog_iv): By default return
4800         integer_type_node.
4801         (graphite_create_new_loop): Don't fold_convert the already
4802         fold_convert-ed expression.
4803
4804 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
4805
4806         PR tree-optimization/38446
4807         * gcc.dg/graphite/pr38446.c: New.
4808         * graphite.c (register_bb_in_sese): New.
4809         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
4810         looking at the bbs in the region.
4811         * graphite.h (sese): Add region_basic_blocks pointer set to
4812         structure and initialize at the time of defining new scop.
4813
4814 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4815
4816         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
4817         (find_params_in_bb): Do not free data refs.
4818         (free_graphite_bb): Add FIXME on disabled free_data_refs.
4819
4820 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4821
4822         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
4823         * gcc.dg/graphite/scop-17.c: Same.
4824         * gcc.dg/graphite/block-5.c: New.
4825         * gcc.dg/graphite/block-6.c: New.
4826         * gcc.dg/graphite/pr37485.c: Clean dump file after.
4827         * gcc.dg/graphite/pr37684.c: Same.
4828         * gcc.dg/graphite/block-2.c: Same.
4829
4830         * graphite.c (struct ivtype_map_elt): New.
4831         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
4832         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
4833         gcc_type_for_cloog_iv): New.
4834         (loop_iv_stack_patch_for_consts): Use the type of the induction
4835         variable from the original loop, except for the automatically
4836         generated loops, i.e., in the case of a strip-mined loop, in
4837         which case there is no original loop: in that case just use
4838         integer_type_node.
4839         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
4840         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
4841         (clast_name_to_gcc): Accept params to be NULL.
4842         (clast_to_gcc_expression): Take an extra parameter for the type.
4843         Convert to that type all the expressions built by this function.
4844         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
4845         (graphite_translate_clast_equation): Compute the type of the
4846         clast_equation before translating its LHS and RHS.
4847         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
4848         (graphite_create_new_loop): Compute the type of the induction
4849         variable before translating the lower and upper bounds and before
4850         creating the induction variable.
4851         (rename_variables_from_edge, rename_phis_end_scop): New.
4852         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
4853         (sese_add_exit_phis_edge): Do not use integer_zero_node.
4854         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4855         compute_cloog_iv_types): New.
4856         (gloog): Call compute_cloog_iv_types before starting the
4857         translation of the clast.
4858
4859         * graphite.h (struct graphite_bb): New field cloog_iv_types.
4860         (GBB_CLOOG_IV_TYPES): New.
4861         (debug_ivtype_map): Declared.
4862         (oldiv_for_loop): New.
4863
4864 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4865
4866         PR middle-end/38459
4867         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
4868         (param_index): Assert if parameter is not know after parameter
4869         detection.
4870         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
4871         (find_scop_parameters): Mark, that we have finished parameter
4872         detection.
4873         (graphite_transform_loops): Move condition detection before parameter
4874         detection.
4875         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
4876         * gfortran.dg/graphite/pr38459.f90: New.
4877
4878 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4879
4880         * graphite.c (graphite_transform_loops): Always call find_transform ()
4881         in ENABLE_CHECKING.  So we test these code paths, even if we do not
4882         generate code.
4883
4884 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4885
4886         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
4887         (print_scop): Ditto.
4888
4889 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4890
4891         PR middle-end/38084
4892         Fix gfortran.dg/graphite/id-3.f90.
4893         * graphite.c (scopdet_basic_block_info): Fix bug that found some
4894         regions more than once.
4895
4896 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4897
4898         Fix gfortran.dg/graphite/id-4.f90.
4899         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
4900         when not needed.
4901
4902 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4903
4904         Fix gfortran.dg/graphite/id-1.f90.
4905         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
4906         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
4907         (max_precision_type): New.
4908         (value_clast): Removed.
4909         (clast_to_gcc_expression): Be more careful to types of expressions.
4910         Use max_precision_type and update use of gmp_cst_to_tree.
4911         (graphite_translate_clast_equation): Use max_precision_type.
4912         (graphite_create_guard_cond_expr): Do not use integer_type_node,
4913         use the type of the condition.
4914         (graphite_create_new_loop): Do not use integer_type_node, use the
4915         max_precision_type of lb and ub.
4916
4917 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4918
4919         * graphite.c (build_scops_1): Initialize open_scop.exit
4920         and sinfo.last.
4921
4922 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4923
4924         * gcc.dg/graphite/pr38084.c: New.
4925         * gfortran.dg/graphite/id-1.f90: New.
4926         * gfortran.dg/graphite/id-2.f90: New.
4927         * gfortran.dg/graphite/id-3.f90: New.
4928         * gfortran.dg/graphite/id-4.f90: New.
4929         * gfortran.dg/graphite/pr37857.f90: New.
4930
4931 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4932             Jan Sjodin  <jan.sjodin@amd.com>
4933             Harsha Jagasia  <harsha.jagasia@amd.com>
4934
4935         PR middle-end/37852
4936         PR middle-end/37883
4937         PR middle-end/37928
4938         PR middle-end/37980
4939         PR middle-end/38038
4940         PR middle-end/38039
4941         PR middle-end/38073
4942         PR middle-end/38083
4943         PR middle-end/38125
4944
4945         * gcc.dg/graphite/pr38073.c: New.
4946         * gcc.dg/graphite/pr37928.c: New.
4947         * gcc.dg/graphite/pr37883.c: New.
4948         * gcc.dg/graphite/pr38125.c: New.
4949         * gfortran.dg/graphite/pr38083.f90: New.
4950         * gfortran.dg/graphite/pr37852.f90: New.
4951         * gfortran.dg/graphite/pr37980.f90: New.
4952
4953         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
4954         the number of detected scops.  Copy exact same test for loop
4955         blocking...
4956         * gcc.dg/graphite/block-1.c: Fix the number of expected
4957         loops to be blocked as reductions are not handled.
4958         * gcc.dg/graphite/block-4.c: ...here.  New.
4959
4960         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
4961         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
4962         ...here.
4963         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
4964         * Makefile.in (graphite.o): Depend on value-prof.h.
4965         (graphite.o-warn): Removed -Wno-error.
4966         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
4967         to be a NULL pointer.  Call update_stmt.  Return the newly created
4968         cannonical induction variable.
4969
4970         * graphite.h (debug_rename_map): Declared.  Fix some comments.
4971
4972         * graphite.c: Reimplement the code generation from graphite to gimple.
4973         Include value-prof.h.
4974         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
4975         (get_old_iv_from_ssa_name): Removed.
4976         (graphite_stmt_p): New.
4977         (new_graphite_bb): Test for useful statements before building a
4978         graphite statement for the basic block.
4979         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
4980         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
4981         reason.
4982         (recompute_all_dominators, graphite_verify,
4983         nb_reductions_in_loop, graphite_loop_normal_form): New.
4984         (scop_record_loop): Call graphite_loop_normal_form.
4985         (build_scop_loop_nests): Iterate over all the blocks of the
4986         function instead of relying on the incomplete information from
4987         SCOP_BBS.  Return the success of the operation.
4988         (find_params_in_bb): Use the data from GBB_DATA_REFS.
4989         (add_bb_domains): Removed.
4990         (build_loop_iteration_domains): Don't call add_bb_domains.
4991         Add the iteration domain only to the basic blocks that have been
4992         translated to graphite.
4993         (build_scop_conditions_1): Add constraints only if the basic
4994         block have been translated to graphite.
4995         (build_scop_data_accesses): Completely disabled until data
4996         dependence is correctly implemented.
4997         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
4998         (remove_all_edges_1, remove_all_edges): Removed.
4999         (get_new_name_from_old_name): New.
5000         (graphite_rename_variables_in_stmt): Renamed
5001         rename_variables_in_stmt.  Call get_new_name_from_old_name.
5002         Use replace_exp and update_stmt.
5003         (is_old_iv): Renamed is_iv.
5004         (expand_scalar_variables_stmt): Extra parameter for renaming map.
5005         Use replace_exp and update_stmt.
5006         (expand_scalar_variables_expr): Same.  Use the map to get the
5007         new names for the renaming of induction variables and for the
5008         renaming of variables after a basic block has been copied.
5009         (expand_scalar_variables): Same.
5010         (graphite_rename_variables): Renamed rename_variables.
5011         (move_phi_nodes): Removed.
5012         (get_false_edge_from_guard_bb): New.
5013         (build_iv_mapping): Do not insert the induction variable of a
5014         loop in the renaming iv map if the basic block does not belong
5015         to that loop.
5016         (register_old_new_names, graphite_copy_stmts_from_block,
5017         copy_bb_and_scalar_dependences): New.
5018         (translate_clast): Heavily reimplemented: copy basic blocks,
5019         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
5020         At each translation step call graphite_verify ensuring the
5021         consistency of the SSA, loops and dominators information.
5022         (collect_virtual_phis, find_vdef_for_var_in_bb,
5023         find_vdef_for_var_1, find_vdef_for_var,
5024         patch_phis_for_virtual_defs): Removed huge hack.
5025         (mark_old_loops, remove_dead_loops, skip_phi_defs,
5026         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
5027         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
5028         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
5029         if_region_get_condition_block, if_region_set_false_region,
5030         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
5031         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
5032         sese_add_exit_phis_edge, sese_add_exit_phis_var,
5033         rewrite_into_sese_closed_ssa): New.
5034         (gloog): Remove dead code.  Early return if code cannot be
5035         generated.  Call cleanup_tree_cfg once the scop has been code
5036         generated.
5037         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
5038         block loops with less than two loops.
5039         (graphite_apply_transformations): Remove the call to
5040         scop_remove_ignoreable_gbbs.
5041         (limit_scops): When build_scop_loop_nests fails, continue on
5042         the next scop.  Fix open_scop.entry.
5043         (graphite_transform_loops): Call recompute_all_dominators: force the
5044         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
5045         Call initialize_original_copy_tables and free_original_copy_tables
5046         to be able to copy basic blocks during code generation.
5047         When build_scop_loop_nests fails, continue on next scop.
5048         (value_clast): New union.
5049         (clast_to_gcc_expression): Fix type cast warning.
5050
5051 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
5052
5053         * Merge from mainline (r140838:141727).
5054
5055 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5056
5057         PR middle-end/37833
5058
5059         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
5060
5061 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5062
5063         PR middle-end/37943
5064
5065         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
5066         exits and conditions.
5067         * gcc.dg/graphite/pr37943.c: New.
5068
5069 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
5070
5071         PR middle-end/37886
5072         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
5073
5074 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
5075
5076         * doc/invoke.texi: Fix spaces.
5077
5078 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
5079
5080         PR tree-optimization/37891
5081         Reverted last commit.
5082         * graphite.c (create_single_entry_edge): Set
5083         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
5084
5085 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
5086             Mitul Thakkar  <mitul.thakkar@amd.com>
5087
5088         * graphite.c (create_single_entry_edge): Set
5089         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
5090
5091 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5092
5093         * doc/invoke.texi: Add -fgraphite-identity.
5094         * graphite.c (graphite_apply_transformations): Check for
5095         -fgraphite-identity.
5096         * toplev.c (process_options): Add flag_graphite_identity.
5097         * tree-ssa-loop.c: Add flag_graphite_identity.
5098
5099 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
5100
5101         Undo changes from 2008-10-02:
5102         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
5103         operand type when copying the operand to a variable of different type.
5104         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
5105         with the IV name after increment.
5106
5107 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
5108             Harsha Jagasia  <harsha.jagasia@amd.com>
5109
5110         PR tree-optimization/37828
5111         * gcc.dg/graphite/pr37828.c: New.
5112         * graphite.c (graphite_trans_loop_block): Do not loop block
5113         single nested loops.
5114
5115 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
5116             Sebastian Pop  <sebastian.pop@amd.com>
5117
5118         * graphite.c (struct rename_map_elt, new_rename_map_elt,
5119         rename_map_elt_info, eq_rename_map_elts): New.
5120         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
5121         (expand_scalar_variables_expr): Change parameters.
5122         (expand_scalar_variables_stmt): Same.
5123         (expand_scalar_variables): Same.
5124         (graphite_rename_ivs): Rename graphite_rename_variables.
5125         (build_iv_mapping): New.
5126         (translate_clast): Call build_iv_mapping.
5127         * graphite.h (gbb_p): New name.
5128
5129 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
5130
5131         PR tree-optimization/37684
5132         * gcc.dg/graphite/pr37684.c: New.
5133         * graphite.c (exclude_component_ref): New.
5134         (is_simple_operand): Call exclude_component_ref.
5135
5136 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
5137             Harsha Jagasia  <harsha.jagasia@amd.com>
5138
5139         PR tree-optimization/37485
5140         * gcc.dg/graphite/block-2.c: New
5141         * graphite.c (gmp_cst_to_tree): Moved.
5142         (iv_stack_entry_is_constant): New.
5143         (iv_stack_entry_is_iv): New.
5144         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
5145         (loop_iv_stack_insert_constant): New.
5146         (loop_iv_stack_pop): Use new datatpype.
5147         (loop_iv_stack_get_iv): Same.
5148         (loop_iv_stack_get_iv_from_name): Same.
5149         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
5150         (loop_iv_stack_patch_for_consts): New.
5151         (loop_iv_stack_remove_constants): New.
5152         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
5153         (translate_clast): Call loop_iv_stack_patch_for_consts and
5154         loop_iv_stack_remove_constants.
5155         (gloog): Use new datatype.  Redirect construction edge to end
5156         block to avoid accidental deletion.
5157         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
5158         iv stack entry.
5159         (union iv_stack_entry_data): New.  Data in iv stack entry.
5160         (struct iv_stack_entry): New.  Datatype for iv stack entries.
5161
5162 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5163
5164         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
5165         operand type when copying the operand to a variable of different type.
5166
5167 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5168
5169         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
5170         with the IV name after increment.
5171
5172 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5173
5174         * Merge from mainline (r140164:140838).
5175
5176 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5177
5178         * graphite-data-ref.c: New.
5179         * graphite.c (print_scop): Also dump the dependence graph.
5180         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
5181         (new_scop): Initialize SCOP_DEP_GRAPH.
5182         (build_scop_dynamic_schedules): New.
5183         (build_access_matrix_with_af): Fixed column numbering.
5184         (graphite_transform_loops): Call build_scop_dynamic_schedules.
5185         * graphite.h: Add ifndef/define guards against multiple inclusion.
5186         (struct scop): Add dep_graph field.
5187         (SCOP_DEP_GRAPH): Defined.
5188         (ref_nb_loops): Fixed and moved to other position.
5189         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
5190         (nb_loops_around_loop_in_scop): New.
5191         (graphite_dump_dependence_graph): Declared.
5192         (graphite_build_rdg_all_levels): Declared.
5193         (graphite_test_dependence): Declared.
5194         * Makefile.in (graphite-data-ref.o): New target.
5195
5196 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
5197
5198         * Merge from mainline (139870:140164).
5199
5200 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5201
5202         * Merge from mainline (138275:139870).
5203         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
5204         the commits from trunk broke the niter detection.
5205
5206 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5207
5208         * graphite.c: Add more documentation.  Fix formatting.
5209         (debug_loop_vec, debug_oldivs, loop_iv_stack,
5210         loop_iv_stack_debug): Moved...
5211         (schedule_to_scattering): Move before use.
5212         (dot_all_scops): Include in "#if 0" the code for system
5213         call dotty.
5214
5215         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
5216         loop_iv_stack_debug): ...here.
5217
5218 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
5219
5220         * tree-phinodes.c (make_phi_node): Extern.
5221         (add_phi_node_to_bb): New.
5222         (create_phi_node): Call add_phi_node_to_bb.
5223         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
5224         (remove_statement): Handle case where stored phi was updated
5225         and is no longer the same.
5226         * graphite.c (is_parameter): New.
5227         (is_old_iv): New.
5228         (expand_scalar_variables_expr): New.
5229         (expand_scalar_variables_stmt): New.
5230         (expand_scalar_variables): New.
5231         (move_phi_nodes): Create new phi instead of moving old one.
5232         (translate_clast): Call expand_scalar_variables.
5233         (find_vdef_for_var_in_bb): Also scan regular definitions.
5234         (skip_phi_defs): New.
5235         (collect_scop_exit_phi_args): New.
5236         (patch_scop_exit_phi_args): New.
5237         (gloog): Patch phis after scop.
5238         * tree-flow.h: (add_phi_node_to_bb): Declared.
5239         (make_phi_node): Declared.
5240
5241 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5242
5243         * graphite.c (end_scop): Split the entry of the scop when it
5244         is the header of the loop in which the scop is ending.
5245         (build_scops_1, limit_scops): Update uses of end_scop.
5246
5247 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5248
5249         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
5250         SCOP_ENTRY or SCOP_EXIT.
5251
5252 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5253
5254         * graphite.c (get_construction_edge): Removed.
5255         (gloog): Construction edge is the scop entry edge.
5256
5257 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5258
5259         * graphite.c (can_generate_for_scop): Removed.
5260         (gloog): Do not call it.
5261
5262 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5263
5264         * graphite.c (new_scop): Entry of a scop is an edge.
5265         Initialize SESE region.
5266         (free_scop): Free SESE region.
5267         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
5268         (split_difficult_bb): New, split from end_scop.
5269         (end_scop): Exit of a scop is an edge.
5270         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
5271         not automatically updated and thus is always wrong.
5272         * graphite.h (struct sese): New.
5273         (SESE_ENTRY): New.
5274         (SESE_EXIT): New.
5275         (struct scop): New field for a SESE region.  Remove entry, exit.
5276         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
5277         semantics as before.  Moved comment around.
5278
5279 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5280             Sebastian Pop  <sebastian.pop@amd.com>
5281
5282         * graphite.c (graphite_transform_loops): Always enable gloog
5283         and find_transform when ENABLE_CHECKING.
5284
5285 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5286
5287         * graphite.c (graphite_transform_loops): Move pretty printer
5288         of SCOPs before doing any transform.  Remove call to print_scops
5289         and dot_all_scops_1.
5290
5291 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5292
5293         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
5294         (print_graphite_bb): Same.
5295
5296 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5297
5298         * graphite.c (dot_all_scops_1): Cleanup.
5299         (move_scops): Fix comment.
5300
5301 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5302
5303         * graphite.c (build_scop_bbs): Revert commit 139355:
5304
5305         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5306                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5307
5308                 * graphite.c (build_scop_bbs): Factor up code.
5309
5310 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5311
5312         * graphite.c (gloog): Update dominator info.
5313
5314 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5315
5316         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
5317
5318 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5319
5320         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
5321         initialization.
5322         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
5323         (translate_clast): Correct formatting.
5324         * graphite.h (struct num_map): Removed.
5325         (struct graphite_bb): Remove num_map field.
5326         (GBB_INDEX_TO_NUM_MAP): Removed.
5327
5328 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5329
5330         * graphite.c (build_access_matrix_with_af): Fix comments.
5331         (build_scop_data_accesses): Same.
5332
5333 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5334
5335         * graphite.c (build_scop_data_accesses): Don't construct
5336         access matrices.  Add a FIXME and an assert condition that
5337         should pass when the access matrices will be needed.
5338
5339 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5340
5341         * tree-data-ref.c (stmt_simple_memref_p): Don't call
5342         really_constant_p.
5343         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
5344         Moved close by free_graphite_bb.
5345         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
5346         (new_scop): Move close by free_scop.
5347         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
5348
5349 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
5350
5351         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
5352         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
5353         instead of recursive call.
5354         (graphite_translate_clast_equation): New.
5355         (graphite_create_guard_cond_expr): New.
5356         (graphite_create_new_guard): New.
5357         (get_stack_index_from_iv): Removed.
5358         (graphite_rename_ivs_stmt): Use gbb_loop_index.
5359         (get_true_edge_from_guard_bb): New.
5360         (translate_clast): Handle stmt_guard in clast.
5361         (get_construction_edge): Allow construction edge detection for
5362         a scope entry with multiple predecessors if one predecessor is
5363         the immediate dominator of scope entry.
5364         (can_generate_code_stmt): Enable code generation for clast_guard.
5365         (gloog): Use correct context loop.  Removed check for post dominators.
5366         * cfgloop.h (create_empty_if_region_on_edge): Declared.
5367
5368 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5369
5370         * graphite.c (remove_dead_loops): Document better which
5371         loops are removed.
5372
5373 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5374
5375         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
5376         and PPLINC.
5377         (graphite.o): Also depends on pointer-set.h.
5378
5379 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5380
5381         * graphite.c (scop_record_loop): Fix compile warning.
5382
5383 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
5384             Sebastian Pop  <sebastian.pop@amd.com>
5385
5386         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
5387
5388 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5389
5390         * graphite.c (build_graphite_bb): Initialize bb->aux to
5391         point to the graphite_bb_p.
5392         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
5393         content of bb->aux.
5394         (add_bb_domains): Does not use the scop parameter.
5395         (graphite_transform_loops): Clean bb->aux at the end.
5396
5397 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5398             Sebastian Pop  <sebastian.pop@amd.com>
5399
5400         * lib/target-supports.exp
5401         (check_effective_target_fgraphite): New.
5402
5403         * gcc.dg/graphite/graphite.exp: Early exit when
5404         check_effective_target_fgraphite returns false.
5405         Set dg-do-what-default to compile.
5406         (scan-graphite-dump-times): Removed.
5407         * gfortran.dg/graphite/graphite.exp: Same.
5408
5409         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
5410         Use scan-tree-dump-times instead of scan-graphite-dump-times.
5411         * gcc.dg/graphite/scop-1.c: Same.
5412         * gcc.dg/graphite/scop-2.c: Same.
5413         * gcc.dg/graphite/scop-3.c: Same.
5414         * gcc.dg/graphite/scop-4.c: Same.
5415         * gcc.dg/graphite/scop-5.c: Same.
5416         * gcc.dg/graphite/scop-6.c: Same.
5417         * gcc.dg/graphite/scop-7.c: Same.
5418         * gcc.dg/graphite/scop-8.c: Same.
5419         * gcc.dg/graphite/scop-9.c: Same.
5420         * gcc.dg/graphite/scop-10.c: Same.
5421         * gcc.dg/graphite/scop-11.c: Same.
5422         * gcc.dg/graphite/scop-12.c: Same.
5423         * gcc.dg/graphite/scop-13.c: Same.
5424         * gcc.dg/graphite/scop-matmult.c: Same.
5425         * gcc.dg/graphite/scop-14.c: Same.
5426         * gcc.dg/graphite/scop-15.c: Same.
5427         * gcc.dg/graphite/block-0.c: Same.
5428         * gcc.dg/graphite/scop-16.c: Same.
5429         * gcc.dg/graphite/block-1.c: Same.
5430         * gcc.dg/graphite/scop-17.c: Same.
5431         * gcc.dg/graphite/scop-18.c: Same.
5432         * gfortran.dg/graphite/block-1.f90: Same.
5433         * gfortran.dg/graphite/scop-1.f: Same.
5434         * gfortran.dg/graphite/block-2.f: Same.
5435
5436 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5437
5438         * graphite.c: Fix some XXX comments.
5439         (build_scop_dynamic_schedules): Removed.
5440
5441 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5442
5443         * graphite.h (scop_max_loop_depth): Moved...
5444         * graphite.c (scop_max_loop_depth): ...here.
5445         (remove_all_edges_1): New.
5446         (remove_all_edges): Factored code.
5447         (remove_cond_exprs): Check only the last statement for
5448         a GIMPLE_COND expression.
5449
5450 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5451
5452         * graphite.c (scan_tree_for_params): Early return when the
5453         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
5454         (find_scop_parameters): Factor out code.
5455         (graphite_trans_bb_strip_mine): Remove dead code.
5456
5457 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5458
5459         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
5460         graphite_trans_bb_move_loop): Factor asserts.
5461         (gloog): Perform sanity checks only for ENABLE_CHECKING.
5462         Do not call calculate_dominance_info and estimate_bb_frequencies.
5463
5464 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
5465
5466         * graphite.c (create_loops_mapping, free_loops_mapping,
5467         create_loops_mapping_num, debug_loop_mapping_1,
5468         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
5469         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
5470         graphite_loops_mapping_add_child_num,
5471         graphite_loops_mapping_insert_child,
5472         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
5473         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
5474         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
5475         create_num_from_index, get_num_from_index,
5476         swap_loop_mapped_depth): Removed.
5477         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
5478         (free_scop): Do not call free_loops_mapping.
5479         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
5480         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
5481         get_loop_mapped_depth.
5482         (graphite_trans_bb_move_loop): Do not update the loop mapping.
5483         (graphite_trans_bb_strip_mine): Same.
5484         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
5485         (struct scop): Remove field loops_mapping.
5486
5487 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5488             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5489
5490         * graphite.c (scop_record_loop): Factor out one level of the
5491         condition by early return.
5492         (build_scop_loop_nests): Format following FSF coding style.
5493         (build_scop_dynamic_schedules): Factor out code.
5494         (scopdet_bb_info): Reindent.  Default case should not be reachable.
5495
5496 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5497             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5498
5499         * graphite.c (loop_affine_expr): Check for DECL_P or struct
5500         assignments that are not handled as simple operands for now.
5501
5502 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5503             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5504
5505         * graphite.c (build_scop_bbs): Factor up code.
5506
5507 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5508             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5509
5510         * graphite.c (stmt_simple_for_scop_p): Factor code out
5511         of the loop.
5512         (enum gbb_type): New.  Group all the GBB_* types under it.
5513         (is_loop_exit): Moved...
5514         (end_scop): Enable BB spliting.
5515         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
5516         * cfgloop.h (is_loop_exit): Declared.
5517
5518 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5519
5520         * doc/invoke.texi: Remove strides from examples containing
5521         DO loops when the strides are equal to 1.
5522
5523 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
5524             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5525
5526         * graphite.c (graphite_trans_scop_block): Or the result with
5527         the result from graphite_trans_loop_block.
5528         * gcc.dg/graphite/block-1.c: New.
5529         * gfortran.dg/graphite/block-1.f90: New.
5530         * gfortran.dg/graphite/block-2.f: New.
5531
5532 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5533
5534         * graphite.c (graphite_transform_loops): Call cloog_initialize
5535         and cloog_finalize.
5536
5537 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5538
5539         * tree-data-ref.c) (stmt_simple_memref_p): New.
5540         * tree-data-ref.h (stmt_simple_memref_p): Declared.
5541         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
5542         (is_simple_operand): Call stmt_simple_memref_p.
5543
5544         * gcc.dg/graphite/scop-matmult.c: Updated for not
5545         using pointer arithmetic, as this is optimized by PRE and
5546         makes the code too difficult to analyze.
5547
5548         * gcc.dg/graphite/scop-18.c: Same.
5549
5550 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5551
5552         * gdbinit.in (pgg): New.
5553
5554 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5555
5556         * graphite.c (graphite_trans_loop_block): Fix warning.
5557
5558 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5559
5560         * graphite.c (graphite_trans_loop_block): Fix my merge error.
5561
5562 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5563
5564         * graphite.c (graphite_trans_bb_block): Remove check for
5565         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
5566         Check if loop blocking is profitable for every loop, before applying
5567         the changes.
5568         (graphite_apply_transformations): Call graphite_trans_bb_block only,
5569         if flag_loop_block is set.
5570
5571 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5572
5573         * graphite.c: Add some more documentation for the loop
5574         mapping.
5575
5576 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5577
5578         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
5579         * graphite.c: Format on less than 80 columns.
5580         * graphite.h: Same.
5581
5582 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5583
5584         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
5585
5586 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5587
5588         * doc/invoke.texi (floop-block, floop-strip-mine,
5589         floop-interchange): Update documentation with examples.
5590
5591 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5592
5593         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
5594         add_referenced_var.
5595         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
5596
5597 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5598
5599         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
5600         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
5601         * tree-scalar-evolution.c: Revert useless changes.
5602         * tree-phinodes.c: Same.
5603         * cfghooks.c: Same.
5604         * vec.h: Same.
5605         * tree-vectorizer.h: Same.
5606         * tree-flow.h: Same.
5607         * tree-cfg.c: Same.
5608         * common.opt (fgraphite): Update documentation.
5609
5610 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
5611
5612         * doc/invoke.texi (-floop-block, -floop-strip-mine,
5613         -floop-interchange): Add more text for explaining what each of these
5614         flags is doing.
5615         * tree-into-ssa.c (gimple_vec): Moved to...
5616         * graphite.c: Include gimple.h.
5617         (gimple_vec): Moved to...
5618         (del_loop_to_cloog_loop): Removed.
5619         (loop_affine_expr): Do not call create_data_ref when the
5620         operand is a constant.
5621         (new_scop): Use free instead of del_loop_to_cloog_loop.
5622         * Makefile.in (graphite.o): Depend on GIMPLE_H.
5623         * gimple.h (gimple_vec): ... here.
5624
5625 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5626
5627         * graphite.c (scopdet_bb_info): Only allow loops with known number of
5628         latch executions.
5629         (build_loop_iteration_domains): Fail, if latch executions unknown.
5630
5631 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5632
5633         * graphite.c (add_conditions_to_domain): New.
5634         (build_scop_conditions_1): Call add_conditions_to_domain.
5635         (set_cloog_options): Allow to disable optimizations.
5636
5637 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5638
5639         * graphite.c (find_params_in_bb): Look for parameters in conditions.
5640         Do not use walk_dominator_tree.
5641         (find_scop_parameters): Do not use walk_dominator_tree.
5642
5643 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5644
5645         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
5646         (idx_record_params): Adapt.
5647         * graphite.h (scop_gimple_loop_depth): New.
5648
5649 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5650
5651         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
5652         (scan_tree_for_params): Remove value_init.
5653         (build_scop_context): Remove value_init.
5654         (build_loop_iteration_domains): Remove value_init.
5655         (schedule_to_scattering): Remove value_init.
5656         (graphite_trans_bb_strip_mine): Remove value_init.
5657
5658 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5659
5660         * gcc/graphite.c (limit_scops): New.
5661         (graphite_transform_loops): Add limit SCoPs.
5662         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
5663         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
5664         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
5665         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
5666         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
5667         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
5668         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
5669         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
5670         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
5671         Change loop numbers.
5672         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
5673         Change loop numbers.
5674         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
5675         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
5676         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
5677         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
5678         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
5679         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
5680         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
5681         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
5682         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
5683         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
5684
5685 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5686
5687         * graphite.c (graphite_transform_loops): Call always find_transform.
5688
5689 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5690
5691         * graphite.c (free_loops_mapping): New.
5692         (stmt_simple_for_scop_p): Fix typo.
5693         (stmt_simple_for_scop_p): Fix tuples functions, that
5694         broke polyhedron.
5695         (free_graphite_bb): Fix some memleaks.
5696         (free_scop): Fix some memleaks.
5697         (scopdet_bb_info): Do not forget some tmp SCoPs.
5698         (find_params_in_bb): Fix some memleaks.
5699         (clast_to_gcc_expression): Fix warning.
5700
5701 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5702
5703         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
5704         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
5705
5706 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5707
5708         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
5709         Move code ifdef-ed HAVE_cloog...
5710         * graphite.c: Include toplev.h.
5711         ... here.
5712         * Makefile.in (OBJS-common): Always build graphite.o.
5713         (BACKEND): Remove @GRAPHITE@.
5714         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
5715         (graphite.o): Depend on TOPLEV_H.
5716
5717 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5718
5719         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
5720         Remove typo left from polylib to ppl conversion.
5721         * graphite.c (graphite_transforms): Use sorry instead of fatal.
5722
5723 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5724
5725         * toplev.c (process_options): Move the graphite loop optimization
5726         flags...
5727         * tree-ssa-loop.c (graphite_transforms): ... here.
5728         When not configured with CLooG, print to dump_file that
5729         Graphite transforms were not performed.
5730         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
5731         New.
5732         * gcc.dg/graphite/*.c: Updated all testcases to use
5733         scan-graphite-dump-times.
5734
5735 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5736
5737         * graphite.c (dot_scop, dot_all_scops): Do not call system.
5738         Do not open /tmp/scop.dot and /tmp/allscops.dot.
5739
5740 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
5741             Jan Sjodin  <jan.sjodin@amd.com>
5742
5743         * configure: Regenerated.
5744         * omp-low.c (expand_omp_sections): Remove now unused code.
5745         * config.in (HAVE_polylib): Removed.
5746         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
5747         (PPLLIBS, PPLINC): Added.
5748         * graphite.c: Replace unsigned with int wherever possible.
5749         Don't access Cloog's data structures, but use accessor functions.
5750         Clast's stmt->type is now implemented as a vtable: change the
5751         switches of stmt->type into ifs.
5752         (polylib/polylibgmp.h): Don't include.
5753         (initialize_dependence_polyhedron,
5754         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5755         statement_precedes_p, test_dependence, build_rdg_all_levels,
5756         dump_dependence_graph): Removed until this code is cleaned up
5757         or ported to Cloog.
5758         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
5759         (POLYLIBINC): Renamed PPLINC.
5760
5761 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
5762             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5763             Jan Sjodin  <jan.sjodin@amd.com>
5764
5765         Finish the merge and tuplification of graphite.
5766
5767 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5768             Jan Sjodin  <jan.sjodin@amd.com>
5769
5770         Partial merge from mainline (138072:138275).
5771         * graphite.c still has to be tuplified.
5772
5773 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
5774
5775         * graphite.c (graphite_loops_mapping_max_loop_num): New.
5776         (create_num_from_index): New.
5777         (get_num_from_index): Also pass in the graphite BB.
5778         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
5779         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
5780         (graphite_trans_bb_strip_mine): Call create_num_from_index.
5781         (is_interchange_valid): Return false when failing.
5782         * graphite.h (struct num_map): New.
5783         (struct graphite_bb): New field num_map.
5784         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
5785
5786 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5787
5788         * graphite.c (dump_gbb_conditions): Print also conditions like
5789         "if (a)".  Remove dublicated code and use print_generic_expr ().
5790         (stmt_simple_for_scop_p): Only allow conditions we can handle
5791         {<, <=, >, >=}.
5792
5793 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5794
5795         * graphite.h (struct scop): Removed new_ivs field.
5796         (SCOP_NEWIVS): Deleted.
5797         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
5798         clast_to_gcc_expression, graphite_create_new_loop):
5799         Removed use of new_ivs.
5800
5801 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5802
5803         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
5804         create_loops_mapping_num, debug_loop_mapping_1): New.
5805         (debug_loop_mapping): Call debug_loop_mapping_1.
5806         (get_loop_mapping_for_num,
5807         graphite_loops_mapping_add_child,
5808         graphite_loops_mapping_add_child_num,
5809         graphite_loops_mapping_insert_child,
5810         graphite_loops_mapping_parent,
5811         split_loop_mapped_depth_for_num,
5812         loop_mapped_depth_split_loop): New.
5813         (increment_loop_mapped_depths): Removed.
5814         (swap_loop_mapped_depth_for_num): Reimplemented.
5815         (new_scop): Call create_loops_mapping.
5816         (scop_record_loop): Call graphite_loops_mapping_insert_child.
5817         (translate_clast): Pass the old loop father in parameter, and pass
5818         it to get_old_iv_from_ssa_name.
5819         (remove_edges_around_useless_blocks, can_generate_code_stmt,
5820         can_generate_code, can_generate_for_scop): New.
5821         (graphite_trans_bb_block): Returns false when it fails to transform.
5822         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
5823
5824 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5825
5826         Reverted all the changes related to the streamization and
5827         loop fusion.
5828         These changes are now tracked in the streamization branch.
5829
5830 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5831             Jan Sjodin  <jan.sjodin@amd.com>
5832
5833         * graphite.c (gbb_compare): Correctly constify.
5834         (gbb_can_be_ignored): Indent.
5835         (graphite_trans_scop_swap_1and2): Add legality check.
5836         Remove dead FIXMEs.
5837
5838 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5839
5840         Remove fallouts from "Reverted the Condate changes".
5841         * tree.h: Remove unused decl.
5842         * gcc.dg/tree-checker: Same.
5843         * timevar.def: Remove counter.
5844
5845 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5846
5847         * Merge from mainline (135673:138072).
5848
5849         Reverted the MIRO changes (from 2008-04-05) that are now
5850         tracked in the miro branch.
5851         * tree-bounds.c: Removed.
5852         * tree-bounds.h: Removed.
5853
5854         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
5855         are now tracked in the condate branch.
5856         * tree-check.c: Removed.
5857         * tree-match.c: Removed.
5858         * condate.y: Removed.
5859
5860 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5861
5862         * common.opt: New user flag -floop-block, -floop-strip-mine
5863         and -floop-interchange.
5864         * toplev.c (process_options): Enable -fgraphite pass if any one of the
5865         graphite loop optimization flags is turned on.
5866         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
5867         flag_loop_strip_mine and flag_loop_interchange checks before
5868         optimizations.
5869         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
5870         -floop-strip-mine and -floop-interchange.
5871         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
5872         -fgraphite.
5873         * gcc.dg/graphite/scop-16.c: Ditto.
5874         * gcc.dg/graphite/scop-17.c: Ditto.
5875         * gcc.dg/graphite/scop-18.c: Ditto.
5876
5877 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
5878             Sebastian Pop  <sebastian.pop@amd.com>
5879
5880         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
5881         (create_empty_loop_on_edge): More fixes.
5882         * tree-phinodes.c (resize_phi_node): Extern.
5883         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
5884         * cfghooks.c (update_dominator_information): New split from
5885         split_edge.
5886         * tree-vectorizer.c (rename_variables_in_bb): Extern.
5887         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
5888         successor of the function entry block.
5889
5890         * graphite.c: Include pointer-set.h.
5891         (debug_loop_mapping, increment_loop_mapped_depths,
5892         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
5893         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
5894         swap_loop_mapped_depth_for_num, get_num_from_index,
5895         swap_loop_mapped_depth, loop_iv_stack_debug,
5896         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
5897         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
5898         get_old_iv_from_ssa_name): New.
5899         (new_scop): Initialize SCOP_LOOPS_MAPPING.
5900         (free_scop): Free SCOP_LOOPS_MAPPING.
5901         (scop_record_loop): Record old ivs.
5902         (create_var_name): Removed.
5903         (initialize_cloog_names): Allocate double space in case strip mine
5904         applies to all loops once.
5905         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
5906         (clast_to_gcc_expression): Same.  Implement more clast to gimple
5907         translation.
5908         (graphite_create_new_loop): Pass in ivstack.
5909         (remove_all_edges): Pass in the construction_edge.
5910         (graphite_remove_iv): Removed.
5911         (graphite_rename_ivs, graphite_rename_ivs_stmt,
5912         remove_cond_exprs): Rewritten.
5913         (move_phi_nodes): New.
5914         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
5915         (translate_clast): Pass in ivstack.  Rewrite some cases.
5916         (set_cloog_options, debug_clast_stmt): New.
5917         (find_transform): Use set_cloog_options.
5918         (outermost_loop_layer): Removed.
5919         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
5920         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
5921         mark_old_loops, remove_dead_loops): New.
5922         (gloog): Rewritten.
5923         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
5924         (const_column_index, get_first_matching_sign_row_index,
5925         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
5926         get_upper_bound): New.
5927         (graphite_trans_bb_strip_mine): Also update the iv map.
5928
5929         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
5930         (struct name_tree): Add a loop field.
5931         (struct scop): Add a graphite_loops_mapping field.
5932         (SCOP_LOOPS_MAPPING): New.
5933         (debug_clast_stmt): Declare.
5934         * lambda.h (find_induction_var_from_exit_cond): Declare.
5935         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
5936         * cfgloop.h (update_dominators_in_loop): Removed declaration.
5937         (create_empty_loop_on_edge): Updated.
5938         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
5939         rename_variables_in_bb): Declare.
5940         * tree-cfg.c (remove_bb): Extern.
5941
5942         * gcc.dg/graphite/block-0.c: New.
5943
5944 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5945             Sebastian Pop  <sebastian.pop@amd.com>
5946
5947         * graphite.c (strip_mine_profitable_p): New.
5948         (graphite_trans_bb_block): Disable strip mining if not profitable.
5949
5950         * gcc.dg/graphite/scop-18.c: New.
5951         * gcc.dg/graphite/scop-17.c: Fixed.
5952         * gcc.dg/graphite/scop-16.c: Fixed.
5953
5954 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
5955             Jan Sjodin  <jan.sjodin@amd.com>
5956             Sebastian Pop  <sebastian.pop@amd.com>
5957
5958         * graphite.c (is_interchange_valid): New.
5959         (graphite_trans_bb_block): Check loop nest of basic block for legality
5960         of interchange.
5961
5962         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
5963         outer_most_loop, gbb_outer_most_loop_index): New.
5964
5965         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
5966         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
5967         * gcc.dg/graphite/scop-16.c: New.
5968         * gcc.dg/graphite/scop-17.c: New.
5969
5970 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5971
5972         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
5973         (graphite_trans_scop_block): Ignore SCoPs without bbs.
5974
5975 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5976
5977         * graphite.c (new_scop): Initialize SCOP_EXIT.
5978         (scopdet_info): Add.
5979         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
5980         (build_scops_1): Cleanup, bugfixes.
5981         (build_scops): Cleanup.
5982
5983         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
5984         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
5985
5986 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5987
5988         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
5989
5990         * gfortran.dg/graphite/graphite.exp: Use
5991         DEFAULT_GRAPHITE_FLAGS.
5992
5993         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
5994
5995 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5996
5997         * graphite.c (scan_tree_for_params): Do not assert any more if
5998         MULT_EXPR parameter is negative.
5999
6000         * gfortran.dg/graphite/scop-1.f: New.
6001
6002         * gfortran.dg/graphite/graphite.exp: New.
6003
6004         * gcc.dg/graphite/scop-15.c: New.
6005
6006 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
6007
6008         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
6009
6010 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6011
6012         * graphite.c (graphite_trans_bb_swap_loops): Rename from
6013         graphite_swap_loops.
6014         (graphite_trans_bb_move_loop): New.
6015         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
6016         (graphite_trans_bb_block): New.
6017         (graphite_trans_loop_block): New.
6018         (graphite_trans_scop_swap_1and2): Rename from
6019         graphite_trans_swap_1and2.
6020         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
6021         (graphite_trans_scop_block): New.
6022         (graphite_apply_transformations): Rename from
6023         graphite_transformations.
6024
6025         * gcc.dg/graphite/scop-matmult.c: New.
6026
6027 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6028
6029         * graphite.c (gbb_compare): New.
6030         (graphite_sort_gbbs): New.
6031         (gbb_can_be_ignored): New.
6032         (scop_remove_ignoreable_gbbs): New.
6033         (graphite_transformations): Cleanup and add
6034         scop_remove_ignoreable_gbbs.
6035         * lambda.h (lambda_vector_compare): New.
6036
6037 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6038
6039         * graphite.c (print_graphite_bb): Correct printing of static schedule.
6040         (graphite_swap_loops): int -> unsigned
6041         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
6042         (graphite_transformations): New.
6043         (graphite_transform_loops): Move to graphite_transformations.
6044         * graphite.h (gbb_nb_loops): Return unsigned.
6045
6046 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6047
6048         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
6049         the domain matrix.  This makes scop-0.c work again.
6050
6051 2008-06-20  Richard Guenther  <rguenther@suse.de>
6052
6053         * graphite.h: Adjust copyright to GPLv3.
6054         * graphite.c: Likewise.
6055         (stmt_simple_memref_for_scop_p): Split out from ...
6056         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
6057         and simplify.
6058         (get_bb_type): Optimize.
6059         (is_pred): Remove.
6060         (is_bb_addable): Fix memleak, replace is_pred call with
6061         single_pred.
6062         (build_scops): Use current_loops.
6063         (param_index): Fix memleak.
6064
6065 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6066
6067         * graphite.c: Fix formatting.
6068
6069 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6070
6071         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
6072         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
6073         (create_var_name, save_var_name): Newly defined functions.
6074         (initialize_cloog_names): Part of the code factored out to
6075         save_var_name.
6076         (clast_to_gcc_expression): Now handles the case of clast_red_sum
6077         in clast_reduction statement.
6078         (graphite_create_new_loop): Now takes a new parameter
6079         for outer_loop.
6080         (translate_clast): Now also takes the context_loop and bb_exit
6081         parameters. Rewritten the code so that it creates a gimple code
6082         inside the given context.
6083         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
6084         remove_cond_expr, disconnect_cond_expr,
6085         disconnect_virtual_phi_nodes): Newly defined functions.
6086         * graphite.h (struct scop): added old_ivs vector.
6087         SCOP_OLDIVS: New macro.
6088
6089 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
6090
6091         * cfgloopmanip.c: Add missing function comments, fix formatting.
6092
6093 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6094
6095         * cfgloopmanip.c (update_dominators_in_loop): Defined.
6096         (create_empty_loop_on_edge): Defined.
6097         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
6098         instead of void.
6099         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
6100         (update_dominators_in_loop): Declared as extern
6101         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
6102
6103 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6104
6105         * graphite.c (print_graphite_bb): Allow changing number of loops
6106         in SCoP domain.
6107         (initialize_cloog_names): Allow changing number of loops.
6108         (build_cloog_prog): Simplify.
6109         (find_transform): Enable cloog option --strides.
6110         (graphite_swap_loops): New.
6111         (graphite_strip_mine_loop): New.
6112         (graphite_trans_swap_1and2): New.
6113         (graphite_trans_strip): New.
6114         (graphite_transform_loops): Add graphite_trans_strip.
6115         * graphite.h (scop_max_loop_depth): New.
6116
6117 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6118
6119         * graphite.c (build_scop_iteration_domain): Remove forgotten
6120         line. (Fixes compile)
6121
6122 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6123
6124         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
6125         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
6126         (build_bb_loops): New.
6127         (graphite_transform_loops): Add build_bb_loops.
6128         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
6129         numbers.
6130         * graphite.h (graphite_bb): Add loops.
6131         (gbb_nb_loops): New.
6132         (gbb_loop_at_index): New.
6133         (gbb_loop_index): New.
6134         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
6135         using nb_params_in_scop.
6136
6137 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
6138
6139         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
6140         (build_scop_canonical_schedules): Build minimized schedule.
6141         (schedule_to_scattering): Adapt to minimized schedule.
6142         * graphite.h (graphite_bb): Add/Update descriptions.
6143
6144 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
6145             Tobias Grosser  <grosser@fim.uni-passau.de>
6146
6147         * graphite.c (print_graphite_bb): Add condition printing.
6148         (dump_value): New.
6149         (dump_gbb_conditions): New.
6150         (build_scop_conditions_1): New.
6151         (build_scop_conditions): New.
6152         * graphite.h (graphite_bb): Add conditions.
6153
6154 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
6155
6156         * graphite.c (print_graphite_bb):
6157         (free_graphite_bb): New.
6158         (free_scop): Free bbs.
6159         (get_bb_type): Free doms.
6160         (build_scop_context): Free context matrix.
6161         (build_loop_iteration_domains): Remove unused code.
6162         (build_cloog_prog): Free scattering function and blocklist.
6163         (find_transform): Free options.
6164
6165 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
6166
6167         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
6168         Remove unnecessery cloog data structures. Make a copy of the domain
6169         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
6170         unnecessary cloog data structures. Fix memory leaks. Remove insert
6171         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
6172         used.
6173         (build_scop_iteration_domain): Remove unnecessary cloog
6174         data structures.  Fix memory leaks.
6175         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
6176         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
6177
6178 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6179
6180         * graphite.c (find_scop_params): Remove initialize_cloog_names.
6181
6182 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6183
6184         * graphite.c (end_scop): Style fix.
6185         (schedule_to_scattering): Style and comment fix.
6186
6187 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6188         * graphite.c (print_graphite_bb): Fix definiton of
6189         schedule_to_scattering.
6190         (initialize_cloog_names): Change nb_scattdims to max loop
6191         depth in SCoP.
6192         (schedule_to_scattering): Take parameter for number of scattering
6193         dimensions.
6194         (build_cloog_prog): Only build as much scattering dimensions as
6195         necessary.
6196
6197 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6198
6199         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
6200         in polyhedron/aermod.f90.
6201
6202 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6203             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
6204             Harsha Jagasia  <harsha.jagasia@amd.com>
6205
6206         * graphite.c (is_bb_addable): Fix segfault.
6207
6208 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6209
6210         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
6211         with multiple exits and conditional handling in edge cases.
6212         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
6213
6214         * gcc.dg/graphite/scop-14.c: New.
6215
6216 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6217             Adrien Eliche  <aeliche@isty.uvsq.fr>
6218
6219         * graphite.c (is_bb_addable): Add more comments and enhance
6220         readablity of the source code. Fix memory leak.
6221         (is_loop_exit): Fix memory leak.
6222
6223 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6224
6225         * graphite.c (first_loop_in_scop): Deleted.
6226         (setup_cloog_loop): Only walk the loop chain for inner loops.
6227         (build_scop_iteration_domain): Execute setup_cloog_loop for
6228         all loops in the first layer.
6229
6230 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6231
6232         * graphite.c (scan_tree_for_params): Change the way params are
6233         added to be indepenent of the number of loops.
6234         (setup_cloog_loop): Revert to short matrix format. Fix parameter
6235         handling.
6236         (build_cloog_prog): Revert to short matrix format.
6237
6238 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6239             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
6240
6241         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
6242         warning.
6243
6244 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6245
6246         * graphite.c (nb_data_refs_in_scop): New.
6247         (graphite_transform_loops): Print more stats: number of
6248         loops, basic blocks and data references per scop.
6249
6250 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6251             Jan Sjodin  <jan.sjodin@amd.com>
6252
6253         * graphite.c (loop_affine_expr, idx_record_params,
6254         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
6255         instead of instantiate_parameters.
6256
6257 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6258
6259         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
6260         add support for parameters, add STATIC_SCHEDULE at the right places,
6261         cleanup.
6262
6263 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6264
6265         * graphite.c (build_scop_loop_nests): Only add the loops, that
6266         are contained completely in the SCoP.
6267         (build_cloog_prog): Disable scattering, until schedule_to_scattering
6268         and the domains are fixed.
6269         (build_scop_canonical_schedules): Add support for bbs not contained
6270         in any SCoP.
6271
6272 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6273
6274         * graphite.h (scop_contains_loop): Update comments to match
6275         the actual behavior.
6276         (scop_contains_loop): New.
6277         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
6278
6279 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6280
6281         * graphite.c (get_bb_type): On function body, i.e. loop_0,
6282         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
6283         as GBB_COND_HEADER.
6284
6285 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6286             Tobias Grosser  <grosser@fim.uni-passau.de>
6287
6288         * graphite.c (graphite_transform_loops): Early return when
6289         there are no loops in the function.
6290
6291 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6292             Jan Sjodin  <jan.sjodin@amd.com>
6293
6294         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
6295         offset of the last loop.
6296         (setup_cloog_loop): Copy the entire outer constraint matrix.
6297
6298 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6299             Jan Sjodin  <jan.sjodin@amd.com>
6300
6301         * graphite.c (stmt_in_scop_p, function_parameter_p,
6302         invariant_in_scop_p): Removed.
6303         (scan_tree_for_params): Can be used with no constraint
6304         matrix for gathering parameters.
6305         (idx_record_params): Don't use idx_record_param, instead use
6306         scan_tree_for_params.
6307         (find_scop_parameters): Same.
6308         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
6309         Fix the size of loop domains.
6310         (schedule_to_scattering): Exit when the outer loop is not in scop.
6311         (find_transform): Enable build_cloog_prog.
6312
6313 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6314             Jan Sjodin  <jan.sjodin@amd.com>
6315
6316         * graphite.c (schedule_to_scattering): Make scattering domains
6317         uniformly of the same size, as required by CLooG 0.14.0 and before.
6318
6319 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6320             Jan Sjodin  <jan.sjodin@amd.com>
6321
6322         * graphite.c (schedule_to_scattering): Rewrite, correct the
6323         translation of the scheduling function to scattering.
6324         (build_cloog_prog): Call schedule_to_scattering only once.
6325         * graphite.h (scop_loop_index): Do not fail for loops not
6326         in the scop: return -1.
6327
6328 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
6329
6330         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
6331         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
6332         (setup_cloog_loop): Export GBB_DOMAIN.
6333         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
6334         able to rebuild the original control flow.
6335         * graphite.h (graphite_bb): Add domain field and access macro.
6336         (GBB_DOMAIN): New.
6337
6338 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6339
6340         * graphite.c (debug_gbb): New.
6341         (print_scop, build_graphite_bb): Use SCOP_BBS.
6342         (build_scop_bbs): Reimplemented.
6343         (dfs_bb_in_scop_p): Removed.
6344         (build_scop_loop_nests): Reorder loops inserted in
6345         SCOP_LOOP_NEST: outer loops should come first.
6346         (build_scop_canonical_schedules): Reinitialize at zero
6347         the components of the SCOP_STATIC_SCHEDULE for the loops
6348         that have already been parsed.
6349
6350         * graphite.h (debug_gbb): Declared.
6351
6352 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6353             Jan Sjodin  <jan.sjodin@amd.com>
6354
6355         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
6356         (graphite_loop_to_gcc_loop): Removed.
6357         (remove_all_edges): New.
6358         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
6359         (gloog): Remove useless code.
6360
6361 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6362
6363         * graphite.c (get_bb_type): Reworked. We distinguish between
6364         loops with one or multiple exits.
6365         (is_loop_exit): New.
6366         (is_pred): New.
6367         (is_bb_addable): Rework condition handling, now support for case
6368         case statements and loops with multiple exits.
6369
6370         * gcc.dg/graphite/scop-11.c: New.
6371         * gcc.dg/graphite/scop-12.c: New.
6372         * gcc.dg/graphite/scop-13.c: New.
6373
6374 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6375
6376         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
6377         we have too many colors.
6378
6379 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
6380
6381         * doc/invoke.texi (-ftree-loop-fusion): Document.
6382         * tree-pass.h (pass_loop_fusion): Declared.
6383         * tree-loop-fusion.c: New.
6384         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
6385         * tree-data-ref.c (find_data_references_in_loop): Make extern.
6386         * tree-data-ref.h (find_data_references_in_loop): Declared.
6387         * common.opt (ftree-loop-fusion): Declared.
6388         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
6389
6390 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
6391
6392         * graphite.c (build_access_matrix): Fix typo from the merge.
6393
6394 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
6395
6396         * Merge from mainline (130800:135673).
6397
6398 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6399
6400         * graphite.c (end_scop): The exit of the scop is not part of the scop.
6401         Update dominators after splitting.
6402
6403 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6404
6405         * graphite.c (is_bb_addable): Return the harmful statement.
6406         Factor up some code.
6407         (end_scop): New.  Splits end of scope bbs on a harmful statement.
6408         (build_scops_1): Call end_scop.
6409
6410 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6411
6412         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
6413         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
6414         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
6415         build_scops_1): Removed.
6416         (build_scops_2): Renamed build_scops_1.
6417
6418 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
6419
6420         * graphite.c: Fix formatting.
6421
6422 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6423
6424         * graphite.c (get_bb_type): New.
6425         (move_scops): New.
6426         (build_scops_2): New.
6427         (is_bb_addable): New.
6428         (build_scops): Switch the scop detection.
6429         (build_scop_bbs): Add entry bb to scop.
6430         * graphite.h (struct scop): Update comment.
6431
6432 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6433
6434         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
6435         more colors.
6436
6437 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6438
6439         * gcc.dg/graphite/scop-1.c: Update.
6440         * gcc.dg/graphite/scop-2.c: Update.
6441         * gcc.dg/graphite/scop-4.c: Update.
6442         * gcc.dg/graphite/scop-5.c: Add.
6443         * gcc.dg/graphite/scop-6.c: Add.
6444
6445 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
6446
6447         * gcc.dg/graphite/scop-0.c: Add.
6448         * gcc.dg/graphite/scop-7.c: Add.
6449         * gcc.dg/graphite/scop-8.c: Add.
6450         * gcc.dg/graphite/scop-9.c: Add.
6451         * gcc.dg/graphite/scop-10.c: Add.
6452
6453 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6454
6455         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
6456         Check affine expressions depending on the outermost loop
6457         instead of a scop.
6458         (stmt_simple_for_scop_p): Same.
6459         (harmfule_stmt_in_scop): Same.
6460
6461 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
6462
6463         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
6464         mark entry and exit, that are not part of the SCoP and update HTML
6465         formatting.
6466
6467 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
6468
6469         * graphite.c (basic_block_simple_for_scop_p): Renamed
6470         harmful_stmt_in_bb.
6471         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
6472         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
6473         (all_preds_visited_p, all_succs_visited_p,
6474         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
6475         scop_end_loop): New.
6476         (build_scops): Do not use dfs_enumerate_from.
6477
6478         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
6479
6480 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
6481
6482         * graphite.c: Add comments to functions that are missing a
6483         description.
6484         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
6485
6486 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
6487
6488         * graphite.c (nb_params_in_scop): Moved...
6489         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
6490         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
6491         (clast_to_gcc_expression): Reduce column size to less than 80.
6492         (graphite_create_iv): Return the new name of the IV.
6493         (find_transform): Set options->esp and options->cpp.
6494         (gloog): Comment out the invalidation of the old loop code.
6495         (initialize_dependence_polyhedron): Replace scop_nb_params with
6496         nb_params_in_scop.
6497
6498         * graphite.h (nb_params_in_scop): ... here.
6499         (scop_nb_params): Removed.
6500         (loop_domain_dim): Return something even when the loop was not
6501         found in the hash table: avoid ICEing on all the graphite.exp
6502         testcases.
6503
6504 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6505
6506         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
6507
6508         * graphite.c (build_scop_dynamic_schedules): Schedule is built
6509         according to nesting level.
6510         (find_scop_parameters): Call instantiate_parameters.
6511         (scan_tree_for_params): Extend it to handle general affine bounds.
6512         Inner loop bound can depend on outer loop induction variable.
6513         (setup_cloog_loop): tmp variable is allocated on stack. Call
6514         instantiate_parameters with respect to outermost_loop_in_scop.
6515         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
6516         graphite.h.
6517         (create_empty_loop): Function loopify should be given edge
6518         probability, instead of edge frequency. Dominance relation from
6519         switch_bb to loop_header.
6520         (clast_to_gcc_expression): Added handling of clast_reduction node.
6521         (gloog): New functionality for removing old loop.
6522         (test_dependence): Factored out from build_rdg_all_levels.
6523         (build_rdg_all_levels): Dependence testing factored out to
6524         test_dependence function.
6525
6526         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
6527         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
6528         from graphite.c
6529
6530 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
6531
6532         * graphite.c (free_scop, param_index, initialize_cloog_names,
6533         nb_params_in_scop): Use name_tree map instead of just a tree
6534         for keeping track of the variable name associated to that tree.
6535         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
6536         clast_to_gcc_expression, graphite_create_iv,
6537         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
6538         graphite_stmt_to_gcc_stmt): New.
6539         (gloog): Call these.
6540         * graphite.h (struct name_tree): New.
6541         (struct scop): Use name_tree instead of tree for params.
6542         Store a vector of name_tree for new_ivs.
6543         (SCOP_NEWIVS): New.
6544         (scop_nb_params): Use name_tree instead of tree.
6545
6546 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
6547             Sebastian Pop  <sebastian.pop@amd.com>
6548
6549         * tree-bounds.c: New.
6550         * tree-bounds.h: New.
6551         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
6552         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
6553         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
6554         flag_mudflap.
6555         * gcc.c: Same.
6556         * toplev.c: Same.
6557         * c-cppbuiltin.c: Same.
6558         * c-pragma.c: Same.
6559         * common.opt: Same.
6560         * varasm.c: Same.
6561         * tree-outof-ssa.c: Same.
6562         * c-common.c: Same.
6563         * Makefile.in: Same.
6564
6565 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
6566             Sebastian Pop  <sebastian.pop@amd.com>
6567
6568         * tree-loop-distribution.c (remaining_stmts,
6569         upstream_mem_writes): Removed static variables.
6570         (copy_loop_before, create_bb_after_loop,
6571         mark_nodes_having_upstream_mem_writes, free_rdg_components,
6572         rdg_build_components, rdg_build_partitions,
6573         dump_rdg_partitions): Extern.
6574         (generate_loops_for_partition, generate_code_for_partition): Do not
6575         return a bool.
6576         (already_processed_vertex_p, predecessor_has_mem_write,
6577         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
6578         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
6579         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
6580         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
6581         Pass remaining_stmts and upstream_mem_writes as parameters.
6582         (rdg_component): Moved...
6583         (build_rdg_partition_for_component): Do not aggregate components when
6584         flag_streamize_loops is set.
6585         (gen_sequential_loops): New.
6586         (ldist_gen): Call gen_sequential_loops.
6587
6588         * tree-pass.h (pass_loop_streamization): Declared.
6589
6590         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
6591         basic blocks when loops structures exist.
6592
6593         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
6594
6595         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
6596
6597         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
6598         eliminate_local_variables_stmt, eliminate_local_variables,
6599         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
6600         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
6601         of code delimited by two edges in the CFG.
6602         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
6603         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
6604         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
6605         the case of parallelisation of reductions.
6606         (create_loop_fn): Extern.
6607         (create_omp_parallel_region): New.
6608
6609         * tree-data-ref.c (dump_data_dependence_relation): Don't call
6610         dump_data_reference for printing dra and drb.
6611         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
6612         RDGE_RELATION.
6613         (build_rdg): Don't call free_dependence_relations for the moment, as
6614         we attach dependence relations on each edge of the RDG.
6615         To be fixed later.
6616
6617         * tree-data-ref.h (rdg_component): ...here.
6618         (struct rdg_edge): New field ddr_p relation.
6619         (RDGE_RELATION): New.
6620         (create_bb_after_loop, copy_loop_before,
6621         mark_nodes_having_upstream_mem_writes, rdg_build_components,
6622         rdg_build_partitions, dump_rdg_partitions,
6623         free_rdg_components): Declared.
6624
6625         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
6626         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
6627
6628         * tree-loop-streamization.c: New.
6629
6630         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
6631         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
6632
6633         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
6634
6635         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
6636
6637         * passes.c: Schedule pass_loop_streamization.
6638
6639 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
6640
6641         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
6642         update comment.
6643
6644 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6645
6646         * graphite.c (dot_all_scops): Update formatting.
6647         Bbs can now be part of more than one SCoP.
6648
6649 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
6650
6651         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
6652         malloc problems.
6653         (loop_domain_dim): Check for unregistered toplev SCOP loop.
6654         * graphite.h (loop_to_cloog_loop): New.
6655
6656 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6657
6658         * graphite.c (loop_domain_dim, ref_nb_loops,
6659         loop_iteration_vector_dim): New.
6660         (build_access_matrix_with_af, build_access_matrix,
6661         initialize_dependence_polyhedron): Fixed for new matrix layout.
6662         No longer assume that all iteration domains are of the same
6663         dimensionality.
6664
6665 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
6666
6667         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
6668         defined in a loop at depth 0 is invariant.
6669         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
6670         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
6671         be called at loop depth 0.
6672
6673         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
6674         a parameter.
6675         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
6676         (down_open_scop): Removed.
6677         (loop_in_scop_p): Redefined.
6678         (scop_affine_expr): New argument: scop.
6679         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
6680         a harmful statement ending a scop.
6681         (basic_block_simple_for_scop_p): New argument: scop.
6682         (get_loop_start): Removed.
6683         (new_scop): Initialize SCOP_LOOPS.
6684         (free_scop): Free SCOP_LOOPS.
6685         (succs_at_same_depth, preds_at_same_depth): New.
6686         (end_scop): Test the validity of a scop.
6687         (add_dominators_to_open_scops): New.
6688         (test_for_scop_bound): Call add_dominators_to_open_scops.
6689         Add cases for opening and closing multiple scops.
6690         (build_scops, build_scop_bbs): Iterate over basic blocks in
6691         depth first order.
6692         (build_graphite_bb): Pass scop directly.
6693         (dfs_bb_in_scop_p): New.
6694         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
6695         several times.
6696         (nb_loops_around_gb): Use loop_in_scop_p.
6697         (schedule_to_scattering): Disabled for the moment the code computing
6698         the "textual order for outer loop".
6699
6700         * graphite.h (struct scop): New field loops.
6701         (SCOP_LOOPS): New.
6702         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
6703
6704         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
6705
6706 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
6707             Sebastian Pop  <sebastian.pop@amd.com>
6708
6709         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
6710         * common.opt (fstreamize-loops): New.
6711         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
6712         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
6713         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
6714         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
6715
6716 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6717
6718         * tree-data-ref.c (build_empty_rdg): New.
6719         (build_rdg): Use it.
6720         * tree-data-ref.h (build_empty_rdg): Declared.
6721         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
6722         (find_vertex_for_stmt): Removed.
6723         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
6724
6725 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
6726
6727         * tree-loop-distribution.c (generate_builtin): After cancelling the
6728         loop tree, also delete basic blocks.
6729         (rdg_flag_uses): Stop recursion when a vertex has already been
6730         processed.
6731
6732 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6733
6734         * graphite.c (build_scop_alpha): Removed.
6735         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
6736         and dump_dependence_graph to avoid compiler warnings.
6737
6738 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6739
6740         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
6741         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
6742         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6743         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
6744         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
6745         (initialize_dependence_polyhedron, find_vertex_for_stmt,
6746         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6747         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
6748         dump_dependence_graph): New.
6749         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
6750         (GBB_ALPHA): New.
6751         (struct scop): New field loop2cloog_loop.
6752         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
6753         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
6754
6755 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6756
6757         * graphite.c (build_graphite_bb): Fix initialization
6758         of the graphite basic block.
6759
6760 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
6761
6762         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
6763         loop domain matrix.  Pass in the number of loops contained in the
6764         constraint matrix.
6765         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
6766         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
6767         loops that are not surrounding the current loop are not represented
6768         in the domain constraint matrix.
6769         (build_scop_iteration_domain): Initial domain constraint matrix
6770         contains only the eq/ineq, cst, and scop parameters columns.
6771
6772 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6773
6774         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
6775         (print_graphite_bb): Print scattering.
6776
6777 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6778
6779         * graphite.c (initialize_cloog_names): Initialize names of
6780         scattering variables.
6781
6782 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6783
6784         * graphite.c (dot_all_scops_1): Disable debug output while
6785         printing graph.
6786
6787 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6788
6789         * graphite.c (find_transform): Change cloog output language to C.
6790
6791 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
6792
6793         * tree-loop-distribution.c (generate_memset_zero,
6794         generate_builtin, generate_code_for_partition,
6795         rdg_flag_all_uses): New.
6796         (rdg_flag_uses): Gather in the same partition the statements defining
6797         the VUSES of the current statement.
6798         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
6799         Gather in the same partition not only the stores to the same memory
6800         access, but also the reads.
6801         (ldist_generate_loops): Renamed ldist_gen.
6802
6803 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6804             Tobias Grosser  <grosser@fmi.uni-passau.de>
6805
6806         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
6807         next pointer, don't use the inner pointer.
6808
6809 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
6810
6811         * graphite.c (dot_all_scops, dot_all_scops_1): New.
6812         (find_transform): Call dot_all_1.
6813         * graphite.h (dot_all_scops): Declared.
6814
6815 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
6816
6817         * tree-loop-distribution.c: Fix apsi.f ICE.
6818         (create_bb_after_loop): New.
6819         (generate_loops_for_partition): Use it.
6820         * gfortran.dg/ldist-1.f90: New.
6821
6822         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
6823         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
6824
6825 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6826
6827         * graphite.c (find_transform): Dump cloog program sent to cloog.
6828
6829 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6830
6831         * graphite.c (initialize_cloog_names): Initialize cloog
6832         iterator names.
6833
6834 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6835
6836         * graphite.c (build_scop_context): Fix typo, for the matrix
6837         format: insert '0 >= 0' instead of '-1 >= 0'.
6838
6839 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6840
6841         * Fix merge problems.
6842
6843 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6844
6845         * graphite.c (setup_cloog_loop): Fix typo.
6846
6847 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6848
6849         * doc/invoke.texi (-ftree-loop-distribution): Documented.
6850         * tree-loop-distribution.c: Reimplemented.
6851         * tree-pass.h (pass_loop_distribution): New.
6852         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
6853         print_loops.
6854         * graphds.h (struct graph): New field indexes.
6855         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6856
6857         * tree-vect-analyze.c: Remove declaration of static functions when not
6858         needed.
6859         * tree-vectorizer.c: Same.
6860         (rename_variables_in_loop): Now extern.
6861         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
6862         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
6863         calling redirect_edge_and_branch_force.
6864
6865         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6866
6867         * tree-data-ref.c: Don't include tree-chrec.h.
6868         (debug_data_dependence_relations): New.
6869         (dump_data_dependence_relation): Call dump_data_reference on data refs
6870         in the relation.
6871         (same_access_functions): Moved...
6872         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6873         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6874         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6875         struct rdg_vertex_info, ): New.
6876         (create_rdg_edge_for_ddr): Compute the dependence level before looking
6877         at DDR_REVERSED_P.
6878         (create_rdg_vertices): Initialize the htab of graph->indexes.
6879         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
6880         (stmts_from_loop): Don't save LABEL_EXPR.
6881         (hash_stmt_vertex_info, eq_stmt_vertex_info,
6882         hash_stmt_vertex_del): New.
6883         (build_rdg): Initialize rdg->indexes.
6884         (free_rdg, stores_from_loop, ref_base_address,
6885         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6886         have_similar_memory_accesses_1, ref_base_address_1,
6887         remove_similar_memory_refs): New.
6888
6889         * tree-data-ref.h: Include tree-chrec.h.
6890         (debug_data_dependence_relations): Declared.
6891         (same_access_functions): ...here.  Now static inline.
6892         (ddr_is_anti_dependent, ddrs_have_anti_deps,
6893         ddr_dependence_level): New.
6894         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
6895         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
6896         RDG_MEM_READS_STMT): New.
6897         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6898         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6899         rdg_vertex_for_stmt): Declared.
6900         (struct rdg_edge): New field level.
6901         (RDGE_LEVEL, free_rdg): New.
6902         (stores_from_loop, remove_similar_memory_refs,
6903         rdg_defs_used_in_other_loops_p,
6904         have_similar_memory_accesses): Declared.
6905         (rdg_has_similar_memory_accesses): New.
6906
6907         * lambda.h (dependence_level): New.
6908         * common.opt (ftree-loop-distribution): New.
6909         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
6910         (print_loop_ir): Renamed print_loops.
6911         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
6912         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
6913         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
6914         (tree-loop-distribution.o): Added.
6915         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6916         (mark_virtual_ops_in_bb): New.
6917         (print_loops_bb, debug_loop_num, debug_loop): New.
6918         * passes.c: Scheduled pass_loop_distribution.
6919
6920 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6921
6922         * graphite.c (scan_tree_for_params): Correct the number of columns
6923         for polylib format.
6924         (nb_flat_iterator): New.
6925         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
6926         (build_scop_iteration_domain): Correct the number of columns for
6927         polylib format.
6928
6929 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6930
6931         * Merge from mainline (129697:130800).
6932
6933 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
6934
6935         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
6936         dominated by SCoP's exit.
6937         (graphite_transform_loops): Compute post dominators.
6938
6939 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6940
6941         * Merge from mainline (127169:129697).
6942
6943 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6944
6945         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
6946         parameter for the basic block that contains the expression.  Use
6947         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
6948         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
6949         the expression.
6950         * graphite.h (gbb_loop): New.
6951         (GBB_LOOP): Removed.
6952
6953 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6954
6955         * Makefile.in: Fix merge problem.
6956
6957 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6958
6959         * Merge from mainline (125309:127169).
6960         * tree-loop-distribution.c: Disabled.
6961
6962 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
6963
6964         * Merge from mainline (r123693:125309).
6965
6966 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
6967
6968         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
6969         correct_modify_p
6970         (correct_modify_p, check_statements, number_of_lvalue_uses,
6971         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
6972         instead of MODIFY_EXPR.
6973         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
6974         and push new edges.
6975
6976 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
6977
6978         * tree-loop-distribution.c (struct rdg): Replace arrays by
6979         VECs for edges and vertices.
6980         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
6981         (RDGV_NB_PARTITIONS): New.
6982         (PRDG_NBV, PRDG_NBE): Removed.
6983         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
6984         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
6985         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
6986
6987 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
6988             Sebastian Pop  <sebpop@gmail.com>
6989
6990         * doc/invoke.texi (-ftree-loop-distribution): Document.
6991         * tree-loop-distribution.c: New file.
6992         * tree-pass.h (pass_loop_distribution): Declared.
6993         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6994         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
6995         and set reversed_p.
6996         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
6997         (DDR_REVERSED_P): New.
6998         * common.opt (-ftree-loop-distribution): New.
6999         * tree-flow.h (distribute_loops): Declared.
7000         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
7001         * passes.c (init_optimization_passes): Schedule loop distribution.
7002
7003 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
7004
7005         * graphite.c (print_graphite_bb): Don't call dump_data_references.
7006         (print_scop): Don't print when scop is NULL.
7007         (build_scop_context, find_transform): Don't output to stderr.
7008
7009 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
7010
7011         * tree-data-ref.c: Don't include graphite.h.
7012         Comment out the code for printing data reference's scop.
7013         (build_access_matrix_with_af): Moved...
7014         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
7015         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
7016         (print_graphite_bb): Print basic block's schedule.
7017         (print_scop): Don't print the schedule, call cloog's pretty printer.
7018         (bb_in_scop_p): A basic block is in a scop only if it is both
7019         dominated and postdominated by the scop's entry and exit basic blocks.
7020         (function_parameter_p): New.
7021         (invariant_in_scop_p): Use function_parameter_p.
7022         (new_scop, save_scop): New.
7023         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
7024         save_scop.
7025         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
7026         (loop_in_scop_p): New.
7027         (scop_record_loop): Use loop_in_scop_p.
7028         (build_scop_domain): Renamed build_scop_iteration_domain.
7029         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
7030         nb_params_in_scop, build_scop_context, first_loop_in_scop,
7031         setup_cloog_loop, dot_scop_1, dot_scop): New.
7032         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
7033         (struct scop): Add a pointer to cloog's representation of a program.
7034
7035 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
7036
7037         * doc/invoke.texi (-ftree-check-verbose): Renamed
7038         -ftree-checks-verbose.
7039         * common.opt (flag_tree_check_verbose): Renamed
7040         flag_tree_checks_verbose.
7041         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
7042
7043 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
7044
7045         * configure: Regenerated.
7046         * config.in: Regenerated.
7047         * tree-ssa-loop.c (graphite_transforms): Execute
7048         graphite_transform_loops only when HAVE_cloog.
7049         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
7050         * graphite.c: Include polylibgmp.h and cloog.h.
7051         (graphite_transform_loops): Removed loops parameter.
7052         * tree-flow.h (graphite_transform_loops): Update declaration.
7053         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
7054         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
7055         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
7056         (OBJS-common): Remove dependence on graphite.o.
7057         (BACKEND): Depend on @GRAPHITE@.
7058
7059 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
7060
7061         * doc/invoke.texi (-ftree-check-verbose): Documented.
7062         * gcc.dg/tree-checker/tree-checks-1.c: New.
7063         * gcc.dg/tree-checker/tree-checks-2.c: New.
7064         * gcc.dg/tree-checker/tree-checks-3.c: New.
7065         * gcc.dg/tree-checker/tree-checks-4.c: New.
7066         * gcc.dg/tree-checker/tree-checks.exp: New.
7067         * gcc.dg/tree-checker/condates.crp: New.
7068         * common.opt (ftree-checks-verbose): New.
7069         * tree-check.c (tree_check_warning): Move extra stderr output
7070         under control of flag_tree_check_verbose.
7071
7072 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
7073
7074         * tree-match.c: Fix comments formatting.
7075         * tree-match.h: Fix comments formatting.
7076         * tree-check.c: Fix comments formatting.
7077         (tree_check_init): Restructure.
7078
7079 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
7080
7081         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
7082
7083 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
7084
7085         * Merge from mainline (r120733:123693).
7086
7087 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
7088
7089         * condate.y: New file.
7090         * tree-match.h (struct patt_info_s): New field sign.
7091         (struct condate_s): New field msg.
7092         (normalize_condate, name_condate, add_condate): New.
7093         (conds[], condate_parse): Made extern.
7094         * tree-check.c (tree_check_warning): First arg changed to cond;
7095         warning reformatted.
7096         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
7097         (tree_scan): New.
7098         (tree_check): Process trivial condates.
7099         (read_delimited_string): Removed.
7100         (print_cond): Print name and msg.
7101         (conds[]): Made extern.
7102         (parse_tree_check_file_once): Rewritten to use the parser in
7103         condate.y.
7104         Processing of option --tree_check_string moved to tree_scan().
7105         * Makefile.in: Added condate.y
7106
7107 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
7108
7109         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
7110         Use VECs instead of varrays.
7111         * diagnostic.h (lazy_dump_generic_node): Update declaration.
7112         * Makefile.in (pretty-print.o): Depend on vec.h.
7113         * pretty-print.c: Include tree.h and vec.h.
7114         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
7115         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
7116         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
7117         pp_free_list): Use VECs instead of varrays.
7118         * pretty-print.h: Do not include varray.h.
7119         (struct tree_chunk_s): Declaration moved before its use.
7120         (output_buffer): Rename varray field to chunks.
7121         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
7122         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
7123         save_global_holes): Use VECs instead of varrays.
7124         * tree-match.h: Declare VECs of cfg_node, and hole_p.
7125         * tree-check.c (scan_cfg_stmts, push_node,
7126         print_matching_stmt): Removed.
7127         (tree_check_instance, push_global_holes_if_new, tree_check,
7128         execute_tree_check): Use VECs instead of varrays.
7129         (gate_tree_check): Don't execute the CFG check when basic_block_info
7130         is not available.
7131
7132 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7133
7134         * Merge from mainline (r115016:120733).
7135
7136 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7137
7138         * Merge from mainline (r117632:117661).
7139
7140 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7141
7142         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
7143         * tree-pass.h (TDF_DEBUG, debug_p): New.
7144         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
7145         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
7146         get_loop_exit_condition, analyze_evolution_in_loop,
7147         analyze_initial_condition, analyze_scalar_evolution,
7148         instantiate_parameters, number_of_latch_executions): Use debug_p.
7149         * tree-chrec.c (chrec_apply): Use debug_p.
7150         * tree-data-ref.c: Include graphite.h.
7151         (dump_data_reference): Print also the access matrix.
7152         (analyze_array, analyze_indirect_ref, init_data_ref,
7153         analyze_offset_expr, address_analysis, object_analysis,
7154         create_data_ref, finalize_ddr_dependent,
7155         non_affine_dependence_relation, analyze_ziv_subscript,
7156         analyze_siv_subscript_cst_affine,
7157         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7158         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
7159         analyze_miv_subscript, analyze_overlapping_iterations,
7160         build_classic_dist_vector, subscript_dependence_tester,
7161         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
7162         (build_access_matrix_with_af): No longer static.
7163         * tree-data-ref.h (scop_p): ... declaration here.
7164         (data_reference.scop): New field.
7165         (DR_SCOP, DR_ACCESS_MATRIX): New.
7166         (build_access_matrix_with_af, dr_num_subscripts): Declared.
7167         * graphite.c (print_graphite_bb): Call dump_data_references.
7168         (print_scop): Use scop_nb_loops and scop_dim_domain.
7169         (test_for_scop_bound): Use debug_p.
7170         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
7171         scop_nb_params.
7172         (scop_loop_index): Moved...
7173         (scop_record_loop): New.
7174         (build_scop_loop_nests): Use scop_record_loop.
7175         (build_scop_domain): Use scop_dim_domain.
7176         (build_access_matrix): Implemented.
7177         (build_scop_canonical_schedules): Use scop_nb_loops.
7178         (build_graphite_bb): Initialize GBB_SCOP.
7179         * graphite.h (scop_p): Moved...
7180         (graphite_bb.scop): New field.
7181         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
7182         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
7183         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
7184         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
7185         scop_loop_index): New.
7186         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
7187
7188 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
7189
7190         * Merge from mainline (r117661:120450).
7191
7192 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
7193
7194         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
7195         at the first declaration outside the varying loop, instantiate as
7196         far as possible.
7197         * tree-chrec.c (for_each_scev_op): New.
7198         * tree-chrec.h (for_each_scev_op): Declared.
7199         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
7200         * tree-data-ref.c (get_references_in_stmt,
7201         find_data_references_in_stmt): New, from trunk.
7202         (find_data_references_in_loop): Use get_references_in_stmt
7203         and find_data_references_in_loop, modified as in trunk.
7204         (build_access_matrix_with_af): New.
7205         * tree-data-ref.h (data_reference): Add a field access_matrix.
7206         (data_ref_loc): New, as in trunk.
7207         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
7208         invariant_in_scop_p, param_index, scan_tree_for_params,
7209         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
7210         idx_record_param, idx_record_params, build_access_matrix,
7211         build_scop_data_accesses, build_scop_canonical_schedules,
7212         build_graphite_bb, build_scop_bbs, find_params_in_bb,
7213         build_scop_params): New.
7214         * graphite.h (graphite_bb): New.
7215         (scop): Add fields static_schedule, params, loop_nest,
7216         iteration_domain.
7217         * lambda.h: Declare vecs of lambda_matrix.
7218         * tree-flow.h (print_loop_ir_bb): Declared.
7219         * tree-cfg.c (print_loop_ir_bb): New.
7220         (print_loop): Use print_loop_ir_bb.
7221
7222 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
7223
7224         * Merge from mainline (r115016:117632).
7225
7226 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
7227
7228         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
7229         break due to a warning.
7230
7231 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
7232
7233         * graphite.c (print_scops, debug_scops): New.
7234         (graphite_transform): Renamed graphite_find_transform.
7235         * graphite.h (debug_scops): Declared.
7236
7237 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
7238
7239         * tree-match.c: Reformat following the GNU style.
7240         * tree-match.h: Reformat following the GNU style.
7241         * tree-pattern.h: Removed empty file.
7242         * Makefile.in: Remove references to tree-pattern.h.
7243         * tree-check.c: Reformat following the GNU style.
7244         (execute_tree_check): Move gate condition code to...
7245         (gate_tree_check): ...here.  New function.
7246         (pass_check): Use the gate function.
7247
7248 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
7249
7250         * tree-pattern.h: New. Tree pattern matching and checking using
7251         concrete syntax.
7252         * tree-check.c: New. Tree/CFG checking pass.
7253         * tree-match.c: New. Library for tree pattern matching.
7254         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
7255         * toplev.c, flags.h: Add globals for tree-check pass.
7256         * Makefile.in: Integrate the files in tree-check pass.
7257         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
7258         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
7259         Introduce a "lazy" pretty-print mode.
7260         * tree.c, tree.h: Add tree_name.
7261
7262 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
7263
7264         * doc/invoke.texi (-fgraphite): Correct typo.
7265         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
7266         use of print_loop_ir.
7267         * gcc.dg/graphite/scop-1.c: New.
7268         * gcc.dg/graphite/scop-2.c: New.
7269         * gcc.dg/graphite/graphite.exp: New.
7270         * graphite.c: Include domwalk.h.
7271         (print_scop): Print only the entry and exit blocks.
7272         (debug_scop): No longer static.
7273         (affine_expr): Fix formating.  Return also true when the expression is
7274         constant.
7275         (stmt_simple_for_scop_p): Fix formating.
7276         (build_scops): Use domwalk.
7277         (get_loop_start, end_scop, test_for_scop_bound): New.
7278         (graphite_transform_loops): Avoid printing on stderr.
7279         * graphite.h (debug_scop): Declared.
7280         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
7281         * Makefile.in (graphite.o): Depend on domwalk.h.
7282         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
7283         declarations for static functions.
7284         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
7285         controlling output verbosity.
7286
7287 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
7288             Plesco Alexandru  <shurikx@gmail.com>
7289
7290         * doc/invoke.texi (-fgraphite): Document.
7291         * tree-pass.h (pass_graphite_transforms): Declared.
7292         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
7293         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
7294         (pass_graphite_transforms): Defined.
7295         * tree-data-ref.c (free_data_ref, data_reference): Extern.
7296         * tree-data-ref.h (free_data_ref, data_reference): Declared.
7297         * graphite.c, graphite.h: New.
7298         * common.opt (fgraphite): Declared.
7299         * tree-flow.h (graphite_transform_loops): Declared.
7300         * Makefile.in (OBJS-common): Add graphite.o.
7301         (graphite.o): New rule.
7302         * passes.c (pass_graphite_transforms): Scheduled.
7303