gcc/ChangeLog.graphite

   1 2010-03-30  Richard Guenther  <rguenther@suse.de>
   2             Zdenek Dvorak  <ook@ucw.cz>
   3             Sebastian Pop  <sebastian.pop@amd.com>
   4
   5         PR middle-end/43464
   6         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
   7         with multiple arguments.
   8         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
   9
  10 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
  11
  12         * graphite-dependences.c (print_pddr): Call print_pdr with an
  13         extra argument.
  14         * graphite-poly.c (debug_pdr): Add an extra argument for the
  15         verbosity level.
  16         (print_pdr): Same.
  17         (print_pbb_domain): Same.
  18         (print_pbb): Same.
  19         (print_scop_context): Same.
  20         (print_scop): Same.
  21         (print_cloog): Same.
  22         (debug_pbb_domain): Same.
  23         (debug_pbb): Same.
  24         (print_pdrs): Same.
  25         (debug_pdrs): Same.
  26         (debug_scop_context): Same.
  27         (debug_scop): Same.
  28         (debug_cloog): Same.
  29         (print_scop_params): Same.
  30         (debug_scop_params): Same.
  31         (print_iteration_domain): Same.
  32         (print_iteration_domains): Same.
  33         (debug_iteration_domain): Same.
  34         (debug_iteration_domains): Same.
  35         (print_scattering_function): Same.
  36         (print_scattering_functions): Same.
  37         (debug_scattering_function): Same.
  38         (debug_scattering_functions): Same.
  39         * graphite-poly.h (debug_pdr): Update declaration.
  40         (print_pdr): Same.
  41         (print_pbb_domain): Same.
  42         (print_pbb): Same.
  43         (print_scop_context): Same.
  44         (print_scop): Same.
  45         (print_cloog): Same.
  46         (debug_pbb_domain): Same.
  47         (debug_pbb): Same.
  48         (print_pdrs): Same.
  49         (debug_pdrs): Same.
  50         (debug_scop_context): Same.
  51         (debug_scop): Same.
  52         (debug_cloog): Same.
  53         (print_scop_params): Same.
  54         (debug_scop_params): Same.
  55         (print_iteration_domain): Same.
  56         (print_iteration_domains): Same.
  57         (debug_iteration_domain): Same.
  58         (debug_iteration_domains): Same.
  59         (print_scattering_function): Same.
  60         (print_scattering_functions): Same.
  61         (debug_scattering_function): Same.
  62         (debug_scattering_functions): Same.
  63
  64 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
  65
  66         * graphite-poly.c (print_scattering_function_1): New.
  67         (print_scattering_function): Call it.
  68         (print_scop_params): Remove spaces at the end of lines.
  69         (print_cloog): New.
  70         (debug_cloog): New.
  71         * graphite-poly.h (print_cloog): Declared.
  72         (debug_cloog): Declared.
  73
  74 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
  75
  76         * tree-ssa-copy.c: Revert this previous change:
  77         (init_copy_prop): Loop closed phi nodes cancontain more than one
  78         argument.
  79         (execute_copy_prop): Revert the previous change: do not call
  80         rewrite_into_loop_closed_ssa.
  81
  82 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
  83             Richard Guenther  <rguenther@suse.de>
  84
  85         PR middle-end/43464
  86         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
  87         contain more than one argument.
  88         (execute_copy_prop): Revert the previous change: do not call
  89         rewrite_into_loop_closed_ssa.
  90
  91         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
  92         * gcc.dg/graphite/id-pr43464-1.c: New.
  93
  94 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
  95
  96         PR middle-end/43464
  97         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
  98         and verify_loop_closed_ssa when copy prop is executed in the LNO.
  99
 100         * gcc.dg/graphite/id-pr43464.c: New.
 101
 102 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
 103
 104         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
 105         in loop->header.
 106         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
 107         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
 108         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
 109         to switch between adding the IV bump in loop->latch or in loop->header.
 110
 111 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
 112
 113         * passes.c (init_optimization_passes): Add pass_copy_prop
 114         after Graphite.
 115
 116 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
 117
 118         * graphite-poly.c (print_scattering_function): Pretty print following
 119         the scoplib format.
 120         (print_pdr): Same.
 121         (print_pbb_domain): Same.
 122         (dump_gbb_cases): Same.
 123         (dump_gbb_conditions): Same.
 124         (print_pdrs): Same.
 125         (print_pbb): Same.
 126         (print_scop_params): Same.
 127         (print_scop_context): Same.
 128         (print_scop): Same.
 129         (print_pbb_body): New.
 130         (lst_indent_to): New.
 131         (print_lst): Start new lines with a #.
 132         * graphite-poly.h (pbb_bb): New.
 133         (pbb_index): Use pbb_bb.
 134         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
 135         disjuncts.
 136         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
 137
 138 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
 139
 140         PR middle-end/43351
 141         * gcc.dg/graphite/id-pr43351.c
 142
 143 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
 144
 145         PR middle-end/43354
 146         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
 147         call insert_out_of_ssa_copy for default definitions.
 148         * gfortran.dg/graphite/id-pr43354.f: New.
 149
 150 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
 151
 152         PR middle-end/43349
 153         * gfortran.dg/graphite/pr43349.f: New.
 154
 155 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
 156
 157         * graphite-clast-to-gimple.c (my_long_long): Defined.
 158         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
 159         * graphite-sese-to-poly.c (my_long_long): Defined.
 160         (scop_ivs_can_be_represented): Use it.
 161
 162 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
 163
 164         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
 165         graphite-max-bbs-per-function, and loop-block-tile-size.
 166         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
 167         with "maximum".
 168         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
 169
 170 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
 171
 172         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
 173         forward declaration.
 174         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
 175         (add_upper_bounds_from_estimated_nit): New.
 176         (build_loop_iteration_domains): Use it.
 177
 178 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 179
 180         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
 181
 182 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 183
 184         PR middle-end/43306
 185         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
 186         should be an INTEGER_CST.  Also handle CASE_CONVERT.
 187         * gcc.dg/graphite/pr43306.c: New.
 188
 189 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 190
 191         * graphite.c (graphite_initialize): To bound the number of bbs per
 192         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
 193         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
 194         * doc/invoke.texi: Document it.
 195
 196 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 197
 198         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
 199         * graphite-sese-to-poly.h (build_poly_scop): Same.
 200
 201 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 202
 203         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
 204         the number of parameters in the scop.  Use as an upper bound
 205         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
 206         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
 207         * doc/invoke.texi: Document it.
 208
 209 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 210
 211         * graphite-sese-to-poly.c (add_param_constraints): Use
 212         lower_bound_in_type and upper_bound_in_type.
 213
 214 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 215
 216         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
 217         instead of unsigned_type_node.
 218
 219 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 220             Reza Yazdani  <reza.yazdani@amd.com>
 221
 222         PR middle-end/43065
 223         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
 224         on pointer type parameters.
 225
 226         * gcc.dg/graphite/run-id-4.c: New.
 227
 228 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 229
 230         PR middle-end/43065
 231         * gcc.dg/graphite/run-id-3.c: New.
 232
 233 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
 234             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 235
 236         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
 237         handle conversions from pointer to integers.
 238         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
 239         induction variable, to be able to work with code generated by CLooG.
 240         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
 241         (build_poly_scop): Bail out if we cannot codegen a loop.
 242
 243 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
 244
 245         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
 246         code generation with gloog_error.
 247
 248 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 249
 250         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
 251         Call fold_convert on all the returned values.
 252         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
 253         the type of the resulting expression.
 254
 255 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 256
 257         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
 258         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
 259         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
 260
 261 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 262
 263         * graphite-dependences.c (map_into_dep_poly): Removed.
 264         (dependence_polyhedron_1): Use combine_context_id_scat.
 265
 266 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 267
 268         * graphite-poly.h (struct poly_scattering): Add layout documentation.
 269         (struct poly_bb): Same.
 270         (combine_context_id_scat): New.
 271
 272 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
 273
 274         PR middle-end/42326
 275         * sese.c (name_defined_in_loop_p): Return false for default
 276         definitions.
 277
 278         * gcc.dg/graphite/pr42326.c: New.
 279
 280 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 281
 282         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
 283         and clean up the logic.
 284
 285 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 286
 287         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
 288         early return.
 289
 290 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 291
 292         PR middle-end/43083
 293         * graphite-scop-detection.c (create_single_exit_edge): Move
 294         the call to find_single_exit_edge to....
 295         (create_sese_edges): ...here.  Don't handle multiple edges
 296         exiting the function.
 297         (build_graphite_scops): Don't handle multiple edges
 298         exiting the function.
 299
 300         * gcc.dg/graphite/pr43083.c: New.
 301
 302 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 303
 304         PR middle-end/43097
 305         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
 306         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
 307
 308         * gfortran.dg/graphite/pr43097.f: New.
 309
 310 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 311             Manuel López-Ibáñez  <manu@gcc.gnu.org>
 312
 313         PR middle-end/43140
 314         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
 315
 316 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 317
 318         PR middle-end/43026
 319         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
 320
 321         * g++.dg/graphite/pr43026.C: New.
 322
 323 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
 324
 325         * Merge from mainline (154736:156693).
 326
 327 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
 328
 329         PR middle-end/43012
 330         * gcc.dg/graphite/pr43012.c: New.
 331
 332 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 333
 334         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
 335 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 336
 337         * g++.dg/graphite/pr42930.C: New.
 338
 339 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 340
 341         PR middle-end/42930
 342         * graphite-scop-detection.c (graphite_can_represent_scev): Call
 343         graphite_can_represent_init for MULT_EXPR.
 344
 345 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 346
 347         PR middle-end/42914
 348         PR middle-end/42530
 349         * graphite-sese-to-poly.c (remove_phi): New.
 350         (translate_scalar_reduction_to_array): Call remove_phi.
 351
 352         * gcc.dg/graphite/pr42530.c: New.
 353         * gcc.dg/graphite/pr42914.c: New.
 354
 355 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 356
 357         PR middle-end/42771
 358         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
 359         * graphite-clast-to-gimple.h (gloog): Update declaration.
 360         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
 361         * graphite-poly.h (struct poly_bb): Add missing comments.
 362         (struct scop): Add poly_scop_p field.
 363         (POLY_SCOP_P): New.
 364         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
 365         * graphite.c (graphite_transform_loops): Build the polyhedral
 366         representation for each scop before code generation.
 367         * sese.c (rename_variables_in_operand): Removed.
 368         (rename_variables_in_expr): Return the renamed expression.
 369         (rename_sese_parameters): New.
 370         * sese.h (rename_sese_parameters): Declared.
 371
 372         * gcc.dg/graphite/pr42771.c: New.
 373
 374 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 375
 376         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
 377         return 0 from main.
 378         * gcc.dg/graphite/block-1.c: Same.
 379         * gcc.dg/graphite/block-3.c: Same.
 380         * gcc.dg/graphite/block-4.c: Same.
 381         * gcc.dg/graphite/block-5.c: Same.
 382         * gcc.dg/graphite/block-6.c: Same.
 383         * gcc.dg/graphite/block-7.c: Same.
 384         * gcc.dg/graphite/interchange-0.c: Same.
 385         * gcc.dg/graphite/interchange-1.c: Same.
 386         * gcc.dg/graphite/interchange-10.c: Same.
 387         * gcc.dg/graphite/interchange-11.c: Same.
 388         * gcc.dg/graphite/interchange-12.c: Same.
 389         * gcc.dg/graphite/interchange-2.c: Same.
 390         * gcc.dg/graphite/interchange-3.c: Same.
 391         * gcc.dg/graphite/interchange-4.c: Same.
 392         * gcc.dg/graphite/interchange-5.c: Same.
 393         * gcc.dg/graphite/interchange-6.c: Same.
 394         * gcc.dg/graphite/interchange-7.c: Same.
 395         * gcc.dg/graphite/interchange-8.c: Same.
 396         * gcc.dg/graphite/interchange-9.c: Same.
 397         * gcc.dg/graphite/interchange-mvt.c: Same.
 398
 399 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 400
 401         * gfortran.dg/graphite/id-19.f: New.
 402         * gfortran.dg/graphite/pr14741.f90: New.
 403         * gfortran.dg/graphite/pr41924.f90: New.
 404         * gfortran.dg/graphite/run-id-2.f90: New.
 405
 406 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 407
 408         PR middle-end/42988
 409         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
 410         to unknown_dependence.
 411         (graphite_legal_transform_dr): Handle the unknown_dependence.
 412         (graphite_carried_dependence_level_k): Same.
 413
 414 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 415
 416         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
 417
 418 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
 419             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 420
 421         PR middle-end/42637
 422         * graphite-dependences.c (build_lexicographical_constraint): Return
 423         a union of dependence polyhedra.
 424         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
 425
 426         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
 427         * gcc.dg/graphite/block-4.c: Same.
 428         * gcc.dg/graphite/block-7.c: Same.
 429         * gcc.dg/graphite/interchange-12.c: Same.
 430         * gcc.dg/graphite/interchange-mvt.c: Same.
 431         * gfortran.dg/graphite/interchange-1.f: XFAILed.
 432         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
 433         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
 434
 435 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 436
 437         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
 438         the execution check to FAIL.  This testcase is miscompiled by Graphite
 439         and the check should be re-enabled.
 440         * gcc.dg/graphite/interchange-mvt.c: Same.
 441         * gcc.dg/graphite/block-0.c: Same.
 442         * gcc.dg/graphite/block-4.c: Same.
 443         * gcc.dg/graphite/block-7.c: Same.
 444
 445 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 446
 447         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
 448         * gcc.dg/graphite/scop-0.c: Fix spaces.
 449         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
 450         * gfortran.dg/graphite/block-2.f: Same.
 451         * gfortran.dg/graphite/block-3.f90: Same.
 452         * gfortran.dg/graphite/block-4.f90: Same.
 453         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
 454         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
 455
 456 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 457
 458         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
 459         PDDR_ORIGINAL_SCATTERING_P.
 460         (pddr_is_empty): Rewritten.
 461         (print_dependence_polyhedron_layout): New.
 462         (print_pddr): New.
 463         (debug_pddr): New.
 464         (build_alias_set_powerset): Moved up.
 465         (poly_drs_may_alias_p): Moved up.
 466         (lexicographically_gt_p): Removed.
 467         (build_lexicographically_gt_constraint): Renamed
 468         build_lexicographical_constraint, reimplemented.
 469         (dependence_polyhedron_1): Simplified parameters.
 470         (dependence_polyhedron): Same.  Keep along empty PDDRs
 471         to make efficient use of the cache.
 472         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
 473         (graphite_legal_transform_dr): Rewritten.
 474         (graphite_legal_transform_bb): Pass fewer arguments to
 475         graphite_legal_transform_dr.
 476         (graphite_carried_dependence_level_k): Simplified implementation.
 477         (dot_original_deps_stmt_1): Call dependence_polyhedron.
 478         (dot_transformed_deps_stmt_1): Same.
 479         (dot_original_deps): Same.
 480         (dot_transformed_deps): Same.
 481         * graphite-dependences.h (struct poly_ddr): Added a new field
 482         original_scattering_p.
 483         (PDDR_ORIGINAL_SCATTERING_P): New.
 484         (print_pddr): Declared.
 485         (debug_pddr): Declared.
 486         * graphite-ppl.c: Clarify comment.
 487         * sese.h (print_gimple_bb): Removed unused declaration.
 488         (debug_gbb): Same.
 489
 490 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 491
 492         * g++.dg/graphite/graphite.exp: Rewritten.
 493         * gcc.dg/graphite/graphite.exp: Rewritten.
 494         * gfortran.dg/graphite/graphite.exp: Rewritten.
 495         * gcc.dg/graphite/block-0.c: Added runtime test.
 496         * gcc.dg/graphite/block-1.c: Same.
 497         * gcc.dg/graphite/block-3.c: Same.
 498         * gcc.dg/graphite/block-4.c: Same.
 499         * gcc.dg/graphite/block-5.c: Same.
 500         * gcc.dg/graphite/block-6.c: Same.
 501         * gcc.dg/graphite/block-7.c: Same.
 502         * gcc.dg/graphite/interchange-0.c: Same.
 503         * gcc.dg/graphite/interchange-1.c: Same.
 504         * gcc.dg/graphite/interchange-10.c: Same.
 505         * gcc.dg/graphite/interchange-11.c: Same.
 506         * gcc.dg/graphite/interchange-12.c: Same.
 507         * gcc.dg/graphite/interchange-2.c: Same.
 508         * gcc.dg/graphite/interchange-3.c: Same.
 509         * gcc.dg/graphite/interchange-4.c: Same.
 510         * gcc.dg/graphite/interchange-5.c: Same.
 511         * gcc.dg/graphite/interchange-6.c: Same.
 512         * gcc.dg/graphite/interchange-7.c: Same.
 513         * gcc.dg/graphite/interchange-8.c: Same.
 514         * gcc.dg/graphite/interchange-9.c: Same.
 515         * gcc.dg/graphite/interchange-mvt.c: Same.
 516         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
 517
 518 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 519
 520         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
 521           background.
 522
 523 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 524
 525         * common.opt: Add -fgraphite-cloog-opts.
 526         * graphite-clast-to-gimple.c (set_cloog_options): Same.
 527         * opts.c (decode_options): Same.
 528
 529 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 530
 531         * gcc.dg/graphite/id-17.c: New.
 532         * gcc.dg/graphite/pr41888.c: New.
 533         * gcc.dg/graphite/scop-22.c: New.
 534         * gfortran.dg/graphite/pr40982.f90: New.
 535
 536 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 537
 538         * graphite-dependences.c: Clarify comments.
 539         (build_pddr): Add an extra parameter direction.
 540         (graphite_legal_transform_dr): Use build_pddr.
 541         (dot_original_deps_stmt_1): Update use of build_pddr.
 542         (dot_transformed_deps_stmt_1): Same.
 543         (dot_original_deps): Same.
 544         (dot_transformed_deps): Same.
 545
 546         * gcc.dg/graphite/interchange-12.c: New.
 547         * gcc.dg/graphite/block-7.c: New.
 548
 549 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 550
 551         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
 552         (pddr_transformed_scattering): Removed.
 553         (graphite_legal_transform_dr): Use build_pddr.
 554         (dot_original_deps_stmt_1): Same.
 555         (dot_transformed_deps_stmt_1): Same.
 556         (dot_original_deps): Same.
 557         (dot_transformed_deps): Same.
 558
 559 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 560
 561         * graphite-dependences.c (lexicographically_gt_p): Add comments.
 562         (build_lexicographically_gt_constraint): Same.
 563         (dependence_polyhedron_1): Same.
 564         (dependence_polyhedron): Same.
 565
 566 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 567
 568         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
 569         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
 570         (lexicographically_gt_p): Change type of direction to int.
 571         (build_lexicographically_gt_constraint): Same.
 572         (dependence_polyhedron_1): Same.
 573         (dependence_polyhedron): Same.
 574         (pddr_original_scattering): Use integers for direction.
 575         (pddr_transformed_scattering): Same.
 576         (graphite_legal_transform_dr): Same.
 577         (graphite_carried_dependence_level_k): Same.
 578
 579 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 580
 581         * graphite-dependences.c (build_pairwise_constraint): Renamed
 582         ppl_build_relation.  Moved...
 583         (dr_equality_constraints): Use ppl_build_relation.
 584         (build_pairwise_scheduling_equality): Same.
 585         (build_pairwise_scheduling_inequality): Same.
 586         * graphite-ppl.c (ppl_build_relation): ...here.
 587         * graphite-ppl.h (ppl_build_relation): Declared.
 588
 589 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 590
 591         PR middle-end/42681
 592         * graphite-clast-to-gimple.c (gloog_error): New static variable.
 593         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
 594         Set gloog_error when such an expression failed to be built.
 595         (translate_clast): Early return when gloog_error is set.
 596         (gloog): Clear gloog_error.  When gloog_error is set, call
 597         set_ifsese_condition to enable the original code.  Return the status
 598         of the code generation based on gloog_error.
 599         * sese.c (set_ifsese_condition): New.
 600         * sese.h (set_ifsese_condition): Declared.
 601
 602         * g++.dg/graphite/pr42681.C: New.
 603
 604 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 605
 606         PR middle-end/42732
 607         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
 608         rename_nb_iterations.
 609         * sese.c (rename_variables_in_operand): New.
 610         (rename_variables_in_expr): New.
 611         (rename_nb_iterations): New.
 612         (sese_adjust_liveout_phis): Update the rename_map.
 613         * sese.h (rename_nb_iterations): Declared.
 614         * tree-scalar-evolution.c (scev_reset_htab): New.
 615         (scev_reset): Call scev_reset_htab.
 616         * tree-scalar-evolution.h (scev_reset_htab): Declared.
 617
 618         * gfortran.dg/graphite/pr42732.f: New.
 619
 620 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 621
 622         PR middle-end/42393
 623         * graphite-clast-to-gimple.c: Fix formatting.
 624         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
 625         (expr_defined_in_loop_p): New.
 626         (add_loop_exit_phis): Also handle full expressions: remove from
 627         the rename_map the expressions defined in the loop that we're closing.
 628
 629         * gfortran.dg/graphite/pr42393-1.f90: New.
 630         * gfortran.dg/graphite/pr42393.f90: Add new flags
 631         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
 632         make this testcase useful in the Graphite branch.
 633
 634 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 635
 636         * graphite-scop-detection.c (exclude_component_ref): Removed.
 637         (is_simple_operand): Removed.
 638         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
 639
 640 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 641
 642         PR middle-end/42221
 643         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 644         the array indexing of ADDR_EXPRs.
 645
 646         * gcc.dg/graphite/pr42221.c: New.
 647
 648 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 649
 650         PR middle-end/42521
 651         * graphite.c (graphite_finalize): Call scev_reset.
 652         (graphite_transform_loops): Do not call scev_reset between the code
 653         generation of scops.
 654
 655         * gcc.dg/graphite/pr42521.c: New.
 656
 657 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 658
 659         * graphite-interchange.c (memory_stride_in_loop): Renamed
 660         pdr_stride_in_loop.
 661         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
 662         (memory_strides_in_loop): Memoize the memory strides per loop.
 663         (lst_interchange_profitable_p): Do not initialize to zero the memory
 664         strides.
 665         * graphite-poly.h (struct lst): Add a field memory_strides.
 666         (LST_LOOP_MEMORY_STRIDES): New.
 667         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
 668         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
 669
 670 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 671
 672         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
 673         memory_strides_in_loop.  Gather memory strides on a whole loop.
 674         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
 675         (lst_interchange_profitable_p): Removed.
 676         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
 677
 678 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 679
 680         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 681         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 682         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 683         Remove context_loop and level.
 684
 685 2010-01-07  Richard Guenther  <rguenther@suse.de>
 686
 687         PR tree-optimization/42641
 688         * sese.c (rename_map_elt_info): Use the SSA name version, do
 689         not hash pointers.
 690
 691 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 692
 693         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
 694         blocked" only when both the strip mine and the interchange have
 695         been applied.
 696
 697         * gcc.dg/graphite/block-2.c: Removed.
 698         * gcc.dg/graphite/block-3.c: Add scan pattern.
 699         * gcc.dg/graphite/block-4.c: Same.
 700         * gcc.dg/graphite/block-5.c: Same.
 701         * gcc.dg/graphite/block-6.c: Same.
 702
 703 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 704
 705         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
 706         before allocating a new one.
 707         (copy_renames): Check that slot is not NULL.
 708         (mark_bb_with_pbb): Same.
 709         (compute_cloog_iv_types_1): Same.
 710         * graphite-interchange.c (lst_perfect_nestify): Free the before,
 711         nest, and after LSTs.
 712         (lst_try_interchange_loops): Same.
 713
 714 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
 715
 716         PR middle-end/42178
 717         * graphite-interchange.c (lst_try_interchange_loops): Do not return
 718         the before, nest, and after LSTs.
 719         (lst_try_interchange): Removed.
 720         (lst_interchange_select_inner): Do not iterate over the LSTs if they
 721         were modified.
 722         (lst_interchange_select_outer): Apply interchange on the outer loop
 723         until there are no more changes in the inner loops.
 724
 725 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 726
 727         Revert patch fixing PR middle-end/42221.
 728
 729 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 730
 731         PR middle-end/42180
 732         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
 733         GIMPLE_CALL.
 734
 735         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
 736
 737 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 738
 739         PR middle-end/42180
 740         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
 741         that contain only one statement.
 742
 743         * gfortran.dg/graphite/pr42180.f90: New.
 744
 745 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 746
 747         PR middle-end/42393
 748         * gfortran.dg/graphite/pr42393.f90: New.
 749
 750 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 751
 752         PR middle-end/42186
 753         * gfortran.dg/graphite/pr42186.f90: New.
 754
 755 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 756
 757         PR middle-end/42205
 758         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
 759         Insert the reduction copy in the same block as the phi node.
 760         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
 761
 762         * gcc.dg/graphite/pr42205-1.c: New.
 763         * gcc.dg/graphite/pr42205-2.c: New.
 764
 765 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 766
 767         PR middle-end/42221
 768         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 769         the array indexing of ADDR_EXPRs.
 770
 771         * gcc.dg/graphite/pr42221.c: New.
 772
 773 2009-12-17  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 modify OUTER
 778         index.  Call lst_interchange_select_inner only once.
 779         (lst_interchange_select_inner): Update use of lst_try_interchange.
 780         (lst_interchange_select_outer): Update.
 781
 782 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 783
 784         PR middle-end/42178
 785         PR middle-end/42334
 786         * graphite-interchange.c (lst_try_interchange): Do not increment the
 787         the OUTER index when there is no AFTER kernel.  Do not increment the
 788         OUTER index for after processing the AFTER kernel.
 789         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
 790         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
 791         index.  Do not pass to lst_interchange_select_inner the OUTER index.
 792         (scop_do_interchange): Update use of lst_interchange_select_outer.
 793
 794         * gfortran.dg/graphite/graphite.exp
 795         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
 796         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
 797         the graphite dump file.
 798         * gfortran.dg/graphite/interchange-2.f: Same.
 799         * gfortran.dg/graphite/pr42334-1.f: New.
 800
 801 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 802
 803         PR middle-end/42178
 804         PR middle-end/42334
 805         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
 806         that are empty.
 807         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
 808         (lst_try_interchange): Reimplemented.
 809         (lst_interchange_select_inner): Same.
 810         (lst_do_interchange): Renamed lst_interchange_select_outer.
 811         Reimplemented.
 812         (scop_do_interchange): Update use of lst_interchange_select_outer.
 813
 814         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
 815         * gcc.dg/graphite/block-0.c: Un-XFAILed.
 816         * gcc.dg/graphite/pr42211.c: New.
 817         * gfortran.dg/graphite/pr42334.f90: New.
 818
 819 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
 820
 821         PR middle-end/42181
 822         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
 823         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
 824
 825         * gfortran.dg/graphite/pr42181.f90: New.
 826
 827 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
 828
 829         PR middle-end/42284
 830         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
 831         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
 832         (detect_commutative_reduction_arg): Simplified.
 833         (detect_commutative_reduction): Early return when the argument of
 834         the close phi is not of an SSA_NAME.
 835
 836         * gcc.dg/graphite/pr42284.c: New.
 837
 838 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
 839
 840         * dbgcnt.def (graphite_scop): New counter.
 841         * graphite.c: Include dbgcnt.h
 842         (graphite_transform_loops): Use new counter to limit transformations.
 843
 844 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
 845
 846         PR middle-end/42285
 847         * graphite-scop-detection.c (graphite_can_represent_init): Also
 848         handle more complex MULT_EXPRs containing parameters by recursion
 849         on the structure.
 850
 851         * gfortran.dg/graphite/pr42285.f90: New.
 852
 853 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
 854
 855         * g++.dg/graphite/pr42130.C: Fix type.
 856
 857 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
 858
 859         * g++.dg/graphite/pr42130.C: Correct testcase.
 860
 861 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
 862
 863         * Merge from mainline (154493:154734).
 864
 865 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
 866
 867         * Merge from mainline (151362:154491).
 868
 869 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 870
 871         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
 872         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
 873
 874 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 875
 876         PR middle-end/42130
 877         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
 878         translate_clast_for_loop): New.
 879         (translate_clast_for): Add a condition around the loop, to do not
 880         execute loops with zero iterations.
 881         * g++.dg/graphite/pr42130.C: New.
 882         * gcc.dg/graphite/pr35356-2.c: Adapt.
 883
 884 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 885
 886         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 887         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 888         Remove context_loop and level.
 889
 890 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 891
 892         * graphite-clast-to-gimple.c (translate_clast_user,
 893         translate_clast_for, translate_clast_guard): Simplify and move common
 894         elements to translate_clast().
 895         (translate_clast): Simplify and get common elements.
 896
 897 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 898
 899         * graphite-clast-to-gimple.c (translate_clast_user,
 900         translate_clast_for, translate_clast_guard): Split out of
 901         translate_clast.
 902
 903 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
 904
 905         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
 906         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
 907         debug_clast_name_indexes_1, debug_clast_name_indexes,
 908         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
 909         (clast_name_to_gcc, clast_to_gcc_expression,
 910         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
 911         gcc_type_for_clast_eq, graphite_translate_clast_equation,
 912         graphite_create_guard_cond_expr, graphite_create_new_loop,
 913         translate_clast): Add params_index.
 914         (initialize_cloog_names): Create parameter strings from scratch, do
 915         not reference other strings.
 916         (create_params_index): New.
 917         (gloog): Initialize params_index.
 918         * graphite-scop-detection (free_scops_1): Removed.
 919         (limit_scops): Use normal free_scops.
 920         * graphite-sese-to-poly.c (save_var_names): Removed.
 921         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
 922         and SESE_PARAMS_INDEX.
 923         * sese.c (new_sese, free_sese): Dito.
 924         * sese.h (struct sese): Remove params_index, params_names.
 925         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
 926
 927 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 928
 929         Revert the following patch from 2009-09-14:
 930         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 931         tree-scalar-evolution.h, and then tree-data-ref.h.
 932         * graphite-clast-to-gimple.c: Same.
 933         * graphite-dependences.c: Same.
 934         * graphite-interchange.c: Same.
 935         * graphite-poly.c: Same.
 936         * graphite-scop-detection.c: Same.
 937         * graphite-sese-to-poly.c: Same.
 938         * graphite.c: Same.
 939         * lambda-code.c: Same.
 940         * matrix-reorg.c: Same.
 941         * tree-data-ref.c: Same.
 942         * tree-if-conv.c: Same.
 943         * tree-loop-distribu: Same.: Same.
 944         * tree-loop-linear.c: Same.
 945         * tree-parloops.c: Same.
 946         * tree-predcom.c: Same.
 947         * tree-vect-patterns.c: Same.
 948
 949 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 950
 951         Revert patch from 2009-09-14.
 952         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
 953         passes at -O1 and below.
 954
 955 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 956
 957         PR middle-end/40281
 958         * gcc.dg/graphite/pr40281.c: New.
 959
 960         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
 961         evolutions should not variate in inner loops.
 962
 963 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 964
 965         PR middle-end/42050
 966         * gfortran.dg/graphite/pr42050.f90: New.
 967
 968 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 969
 970         * graphite-interchange.c (memory_strides_in_loop_depth): New.
 971         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
 972
 973 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 974
 975         * graphite-blocking.c (scop_do_block): New.
 976         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
 977         * graphite-poly.h (scop_do_block): Declared.
 978
 979 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 980
 981         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
 982         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 983         to transform depth into the time_depth before calling
 984         pbb_number_of_iterations_at_time.
 985         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 986         lst_depth.
 987
 988 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 989
 990         Reverted the patch for "scattering permutations" from 2009-10-28.
 991
 992         * graphite-poly.c (print_permutation): New.
 993         (debug_permutation): New.
 994         (new_poly_bb): Initialize PBB_PERMUTATION.
 995         (free_poly_bb): Free PBB_PERMUTATION.
 996         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 997         (struct pbb_permutation_elt): New.
 998         (PBB_PERMUTATION_ELT_STRIDE): New.
 999         (PBB_PERMUTATION_ELT_STRIDED_P): New.
1000         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
1001         (new_pbb_permutation_elt): New.
1002         (pbb_permutation_elt_free): New.
1003         (struct poly_bb): Add field permutation.
1004         (PBB_PERMUTATION): New.
1005         (print_permutation): Declared.
1006         (debug_permutation): Declared.
1007
1008 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
1009
1010         * graphite-interchange.c (build_partial_difference): New.
1011         (memory_stride_in_loop): Refactored the computation of
1012         equality constraints into build_partial_difference function.
1013         Added support for debugging stride computations.
1014
1015 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
1016
1017         * graphite-clast-to-gimple.c (gloog): Free if_region,
1018         if_region->true_region, and if_region->region.
1019         * sese.c (if_region_set_false_region): Free if_region->false_region.
1020         (create_if_region_on_edge): Do not use GGC_NEW.
1021         (move_sese_in_condition): Remove useless initialization.
1022
1023 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
1024
1025         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
1026         for the loops created by the loop distribution.  Do not modify the
1027         input LSTs.
1028         (lst_try_interchange_loops): Same.  Use a temporary LST for the
1029         transformed schedule.  Call lst_update_scattering before data
1030         dependence analysis.
1031         (lst_try_interchange): Pass an extra parameter INDEX.
1032         (lst_do_interchange_1): New.
1033         (lst_do_interchange): Call lst_do_interchange_1.
1034         (scop_do_interchange): Call lst_update_scattering.
1035         * graphite-poly.c (apply_poly_transforms): Do not call
1036         lst_update_scattering.
1037         * graphite-poly.h (lst_pred): New.
1038         (lst_succ): New.
1039         (lst_find_first_pbb): Return NULL when not found.
1040         (lst_empty_p): New.
1041         (lst_insert_in_sequence): Allow LST1 to be NULL.
1042         (lst_replace): New.
1043         (lst_substitute_3): New.
1044         * gcc.dg/graphite/interchange-1.c: XFail.
1045         * gcc.dg/graphite/interchange-8.c: XFail.
1046         * gcc.dg/graphite/interchange-11.c: XFail.
1047
1048 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1049
1050         * graphite-interchange.c (lst_perfectly_nested_p): New.
1051         (lst_perfect_nestify): New.
1052         (lst_try_interchange_loops): Call store_lst_schedule,
1053         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
1054         (scop_do_interchange): Avoid redundant legality test.
1055         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
1056         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
1057         * graphite-poly.h (psct_static_dim): New.
1058         (lst_dewey_number_at_depth): New.
1059         (lst_find_pbb): Restructured.
1060         (lst_find_first_pbb): Restructured.
1061         (lst_find_last_pbb): New.
1062         (lst_contains_p): New.
1063         (lst_contains_pbb): New.
1064         (lst_create_nest): New.
1065         (lst_remove_from_sequence): New.
1066         (pbb_update_scattering): New.
1067         (lst_update_scattering_under): New.
1068         (lst_update_scattering_seq): New.
1069         (lst_update_scattering): New.
1070         (lst_insert_in_sequence): New.
1071         (lst_distribute_lst): New.
1072         (lst_remove_all_before_including_pbb): New.
1073         (lst_remove_all_before_excluding_pbb): New.
1074
1075 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1076
1077         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
1078         get_loop_exit_edges.
1079
1080 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1081
1082         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
1083
1084 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1085
1086         * graphite-poly.c (print_permutation): New.
1087         (debug_permutation): New.
1088         (new_poly_bb): Initialize PBB_PERMUTATION.
1089         (free_poly_bb): Free PBB_PERMUTATION.
1090         * graphite-poly.h (pbb_permutation_elt_p): Declared.
1091         (struct pbb_permutation_elt): New.
1092         (PBB_PERMUTATION_ELT_STRIDE): New.
1093         (PBB_PERMUTATION_ELT_STRIDED_P): New.
1094         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
1095         (new_pbb_permutation_elt): New.
1096         (pbb_permutation_elt_free): New.
1097         (struct poly_bb): Add field permutation.
1098         (PBB_PERMUTATION): New.
1099         (print_permutation): Declared.
1100         (debug_permutation): Declared.
1101
1102 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1103
1104         * graphite-clast-to-gimple.c (gloog): Do not call
1105         sese_reset_aux_in_loops.
1106         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
1107         extra argument for domains.  Do not use loop->aux.
1108         (build_scop_iteration_domain): Initialize and free domains, pass it
1109         to build_loop_iteration_domains and extract the information from
1110         domains.  Do not use loop->aux.
1111         * sese.c (sese_reset_aux_in_loops): Removed.
1112         * sese.h (sese_reset_aux_in_loops): Removed.
1113
1114 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1115
1116         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
1117         (dependency_in_loop_p): Same.
1118         (translate_clast): Do not use loop->aux.  Initialize
1119         loop->can_be_parallel.
1120         (mark_loops_parallel): Removed.
1121         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
1122         * graphite.c (free_aux_in_new_loops): Removed.
1123         (graphite_finalize): Do not call free_aux_in_new_loops.
1124         (graphite_transform_loops): Do not call mark_loops_parallel.
1125
1126 2009-10-26  Li Feng  <nemokingdom@gmail.com>
1127
1128         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
1129         (translate_clast): Pass an extra parameter LEVEL.
1130         Call get_scattering_level.
1131         * graphite-clast-to-gimple.h (get_scattering_level): New.
1132
1133 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1134
1135         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
1136         * cfgloop.h (struct loop): New field single_iv.
1137
1138         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
1139         loop->aux anymore: use loop->single_iv.
1140         (graphite_loop_normal_form): Moved...
1141         (build_graphite_loop_normal_form): Removed.
1142         (gloog): Do not call build_graphite_loop_normal_form.
1143         (free_aux_in_new_loops): Moved...
1144         (mark_loops_parallel): Restructure.
1145         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
1146         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
1147         (scop_canonicalize_loops): New.
1148         (build_poly_scop): Call scop_canonicalize_loops.
1149         * graphite.c (free_aux_in_new_loops): ...here.
1150
1151 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1152
1153         * g++.dg/graphite/graphite.exp: Add the same rules as in
1154         gcc.dg/graphite/graphite.exp.
1155
1156 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1157
1158         * g++.dg/graphite/id-1.C: New.
1159
1160 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1161
1162         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
1163         argument base_name.
1164         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
1165         (rewrite_phi_out_of_ssa): Same.
1166         (rewrite_cross_bb_scalar_deps): Same.
1167         (translate_scalar_reduction_to_array): Same.
1168
1169 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1170
1171         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
1172         dump_alias_graphs.
1173
1174 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1175
1176         * graphite-sese-to-poly.c (dump_alias_graphs): New.
1177         (build_scop_drs): Call dump_alias_graphs.
1178
1179 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1180
1181         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
1182         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1183         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
1184         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1185         * graphite-poly.h (free_lst): New.
1186         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
1187         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
1188
1189 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1190
1191         * graphite-poly.h (struct scop): Add a field saved_schedule.
1192         (SCOP_SAVED_SCHEDULE): New.
1193         (store_lst_schedule): New.
1194         (restore_lst_schedule): New.
1195         (store_scattering): Call store_lst_schedule.
1196         (restore_scattering): Call restore_lst_schedule.
1197
1198 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1199
1200         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
1201         (pdr_add_alias_set): Same.
1202         (build_poly_dr): Same.
1203         (build_alias_set_optimal_p): Same.
1204         (build_base_obj_set_for_drs): Same.  Do not store the result of
1205         graphds_dfs.
1206
1207 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1208
1209         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
1210         all_components_are_cliques to 1.
1211
1212 2009-10-20  Li Feng  <nemokingdom@gmail.com>
1213
1214         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
1215         the new structure.
1216         (pdr_add_alias_set): Update retrieving alias_set_num.
1217         (build_poly_dr): Update retrieving dr_base_object_set.
1218         (partition_drs_to_sets): Remove.
1219         (build_alias_set_optimal_p): New.
1220         (build_alias_set_for_drs): Rename.
1221         (build_scop_drs): Update.
1222         * graphite-sese-to-poly.h (struct base_alias_pair): New.
1223         (ALIAS_SET_INDEX): Remove.
1224         (BASE_OBJECT_SET_INDEX): Remove.
1225
1226 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1227
1228         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
1229
1230 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1231
1232         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
1233         loop upper bounds for 1-element arrays at end of structures.
1234         * tree-flow.h (array_at_struct_end_p): Declared.
1235         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
1236
1237 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1238
1239         * g++.dg/graphite/pr41305.C: New.
1240
1241 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
1242
1243         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
1244         construction of parameter constraints from loop iteration analysis.
1245         * gcc.dg/graphite/run-id-2.c: New test.
1246
1247 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1248
1249         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
1250         and new_cstr.
1251
1252 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1253
1254         * graphite-dependences.c (dependence_polyhedron_1): Remove
1255         unused gdim dimensions from the DDR polyhedron.
1256
1257 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1258
1259         * graphite-dependences.c (pddr_transformed_scattering): New.
1260         (dot_original_deps_stmt_1): New.
1261         (dot_transformed_deps_stmt_1): New.
1262         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
1263         dot_transformed_deps_stmt_1.
1264         (dot_original_deps): New.
1265         (dot_transformed_deps): New.
1266         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
1267
1268 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1269
1270         * graphite-dependences.c (reduction_dr_1): Remove wrong
1271         assert: reduction BBs can have multiple reduction writes
1272         to memory.  interchange-3.f90 is an example.
1273
1274 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1275
1276         * gfortran.dg/graphite/interchange-3.f90: New.
1277
1278 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1279
1280         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
1281
1282 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1283
1284         * graphite-dependences.c (dependence_polyhedron_1): Add the
1285         context to the dependence polyhedron.
1286
1287 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1288
1289         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
1290         PBB_PDR_DUPLICATES_REMOVED.
1291         (new_poly_bb): Same.
1292
1293 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1294
1295         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
1296         SCOP_CONTEXT.
1297         (build_loop_iteration_domains): Extract bounds on parameters
1298         based on the data size.
1299         (build_scop_context): Do not initialize SCOP_CONTEXT;
1300         add new constraints.
1301
1302 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1303
1304         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
1305         * graphite-ppl.h (graphite-ppl.h): Declared.
1306
1307 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1308
1309         * graphite-ppl.c (ppl_print_linear_expr): New.
1310         (debug_ppl_linear_expr): New.
1311         * graphite-ppl.h (ppl_print_linear_expr): Declared.
1312         (debug_ppl_linear_expr): Declared.
1313
1314 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1315
1316         * graphite-interchange.c: Fix comments.
1317         * gcc.dg/graphite/block-1.c: Fix comments.
1318
1319 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1320
1321         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
1322         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
1323
1324 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1325
1326         Reapply the patch from Alexander Monakov that disappeared during
1327         the last merges from trunk.
1328
1329         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1330
1331         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1332         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1333
1334 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1335
1336         * graphite-interchange.c (memory_stride_in_loop): The depth
1337         argument corresponds to a dynamic time dimension, so use
1338         psct_dynamic_dim to refer to the transformed scattering dimension.
1339
1340 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1341
1342         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
1343
1344 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1345
1346         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
1347         root of the LST.
1348         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
1349         the root of the LST.
1350         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
1351         fake loop.
1352         (print_lst): Print the root of LST in a different format.
1353         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
1354
1355 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1356
1357         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
1358
1359 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1360
1361         * doc/passes.texi: Document the Graphite infrastructure.
1362
1363 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1364
1365         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
1366         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
1367         and check the SSA representation.
1368
1369         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
1370
1371 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1372
1373         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
1374
1375 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1376
1377         * gcc.dg/graphite/interchange-11.c: New.
1378
1379 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1380
1381         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
1382
1383 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1384
1385         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1386         Add -fno-loop-strip-mine and -fno-loop-interchange.
1387         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
1388         -fno-loop-strip-mine.
1389         * gfortran.dg/graphite/graphite.exp: Same.
1390
1391 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1392
1393         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1394         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
1395         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
1396         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
1397         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
1398         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
1399         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
1400         DEFAULT_FLAGS_GRAPHITE_SCOP.
1401         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
1402         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
1403
1404 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1405
1406         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
1407
1408 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1409             Sebastian Pop  <sebastian.pop@amd.com>
1410
1411         * graphite-interchange.c (build_linearized_memory_access): Pass an
1412         offset as parameter.
1413         (memory_stride_in_loop): Include transform scattering in the
1414         access functions to be able to querry the strides in the
1415         transformed loops.
1416         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
1417         not the psct_iterator_dim.
1418
1419 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1420
1421         * graphite-blocking.c (pbb_do_strip_mine): Removed.
1422         (lst_do_strip_mine_loop): New.
1423         (lst_do_strip_mine): New.
1424         (scop_do_strip_mine): Call lst_do_strip_mine.
1425         * graphite-poly.h (lst_add_loop_under_loop): New.
1426         (lst_find_first_pbb): New.
1427
1428 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1429
1430         * graphite-poly.c (loop_to_lst): Fix LST creation.
1431
1432 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1433
1434         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
1435         sizeof(unsigned long) to make it run on 32bit systems.
1436
1437 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1438
1439         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
1440         SEGFAULT on 32bit.
1441
1442 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1443
1444         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
1445         Comment.
1446         (write_alias_graph_to_ascii_dot): New.
1447         (write_alias_graph_to_ascii_ecc): Ditto.
1448         (partition_drs_to_sets): Add testing of optimality of current method
1449         which assigns alias numbers according to DFS Comopnent number.  used
1450         as heuristic for the upcoming ECC algorithm.
1451         (build_scop_drs): Write to file also with the ecc and dot format.
1452
1453 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1454
1455         * gfortran.dg/graphite/interchange-1.f: XFail.
1456
1457 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1458
1459         * graphite.c (graphite_initialize): Do not handle functions with
1460         more than 100 basic blocks.
1461
1462 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1463
1464         * graphite-blocking.c (pbb_do_strip_mine): Use
1465         PARAM_LOOP_BLOCK_TILE_SIZE.
1466
1467 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1468
1469         * graphite-poly.c (dot_lst_1): New.
1470         (dot_lst): New.
1471         * graphite-poly.h (dot_lst): Declared.
1472
1473 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1474
1475         * graphite-dependences.c (dot_deps_stmt_1): New.
1476         (dot_deps_stmt): New.
1477         * graphite-dependences.h (dot_deps_stmt): Declared.
1478
1479 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1480
1481         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
1482         not replace cross BB scalar dependences ending on PHI nodes.
1483         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
1484
1485 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1486
1487         * graphite-poly.c (apply_poly_transforms): Implement the high
1488         level driver for flag_loop_block.
1489         * opts.c (decode_options): Enable flag_loop_block at -O2.
1490         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
1491         flag_loop_block.
1492
1493         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
1494         -floop-block.
1495         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1496         Add -floop-block.
1497
1498 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1499
1500         * graphite-poly.h (lst_find_pbb): New.
1501         (find_lst_loop): New.
1502
1503 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1504
1505         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
1506         * graphite-poly.h (struct scop): Remove dep_graph field.
1507         (SCOP_DEP_GRAPH): Removed.
1508
1509 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1510
1511         * graphite-poly.h (copy_lst): Do full copy of LST.
1512
1513 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
1514
1515         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
1516         when the loop stride is zero.
1517
1518         * gcc.dg/graphite/id-16.c: New.
1519
1520 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1521
1522         * graphite-dependences.c (reduction_dr_1): New.
1523         (reduction_dr_p): New.
1524         (graphite_legal_transform_dr): Call reduction_dr_p.
1525         (reduction_ddr): Renamed reduction_ddr_p.
1526         * graphite-poly.h (same_pdr_p): New.
1527         (number_of_write_pdrs): New.
1528         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
1529         (split_reduction_stmt): Do not split reduction statements
1530         when there are no writes to memory.
1531         (translate_scalar_reduction_to_array_for_stmt): Insert the
1532         memory reduction statement just after the scalar reduction statement.
1533
1534         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
1535         Un-XFAIL-ed.
1536         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
1537         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
1538
1539 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1540
1541         * graphite-interchange.c (lst_apply_interchange): New.
1542         (lst_interchange_profitable_p): New.
1543         (lst_try_interchange_loops): New.
1544         (lst_try_interchange): New.
1545         (lst_do_interchange): New.
1546         (pbb_do_interchange): Removed.
1547         (scop_do_interchange): Call lst_do_interchange.
1548
1549 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1550
1551         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
1552         SCOP_TRANSFORMED_SCHEDULE.
1553         (loop_to_lst): New.
1554         (scop_to_lst): New.
1555         (print_lst): New.
1556         (debug_lst): New.
1557         * graphite-poly.h (lst_p): New.
1558         (struct lst): New.
1559         (LST_LOOP_P): New.
1560         (LST_LOOP_FATHER): New.
1561         (LST_PBB): New.
1562         (LST_SEQ): New.
1563         (scop_to_lst): Declared.
1564         (print_lst): Declared.
1565         (debug_lst): Declared.
1566         (new_lst_loop): New.
1567         (new_lst_stmt): New.
1568         (copy_lst): New.
1569         (lst_depth): New.
1570         (lst_dewey_number): New.
1571         (struct scop): Add original_schedule and transformed_schedule fields.
1572         (SCOP_ORIGINAL_SCHEDULE): New.
1573         (SCOP_TRANSFORMED_SCHEDULE): New.
1574         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
1575
1576 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1577
1578         * graphite-dependences.c (reduction_ddr): New.
1579         (graphite_legal_transform_bb): Call reduction_ddr.
1580         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
1581         Initialize PBB_IS_REDUCTION.
1582         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
1583         (PBB_IS_REDUCTION): New.
1584         (new_poly_bb): Update declaration.
1585         * graphite-scop-detection.h (build_scop_bbs): Removed.
1586         (nb_reductions_in_loop): Removed.
1587         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
1588         parameter for reductions.
1589         (try_generate_gimple_bb): Update call to new_poly_bb.
1590         (build_scop_bbs_1): Same.
1591         (build_scop_bbs): Same.
1592         (gsi_for_phi_node): New.
1593         (scalar_close_phi_node_p): Remove gcc_assert.
1594         (split_reduction_stmt): New.
1595         (is_reduction_operation_p): New.
1596         (phi_contains_arg): New.
1597         (follow_ssa_with_commutative_ops): New.
1598         (detect_commutative_reduction_arg): New.
1599         (detect_commutative_reduction_assign): New.
1600         (follow_inital_value_to_phi): New.
1601         (edge_initial_value_for_loop_phi): New.
1602         (initial_value_for_loop_phi): New.
1603         (detect_commutative_reduction): New.
1604         (translate_scalar_reduction_to_array_for_stmt): New.
1605         (insert_copyout): New.
1606         (insert_copyin): New.
1607         (translate_scalar_reduction_to_array): New.
1608         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
1609         (rewrite_commutative_reductions_out_of_ssa_loop): New.
1610         (rewrite_commutative_reductions_out_of_ssa): New.
1611         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
1612         * sese.h (split_region_for_bb): New.
1613
1614         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
1615         * gcc.dg/graphite/interchange-1.c: Fix format.
1616         * gcc.dg/graphite/interchange-10.c: New.
1617
1618 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1619
1620         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
1621         buggy assert.
1622
1623 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1624
1625         * graphite-sese-to-poly.c (scev_analyzable_p): New.
1626         (rewrite_cross_bb_scalar_dependence): New.
1627         (rewrite_cross_bb_scalar_deps): New.
1628         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
1629         Call rewrite_cross_bb_scalar_deps.
1630
1631 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1632
1633         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
1634         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
1635         gsi_for_stmt.
1636
1637 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1638
1639         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
1640         * graphite-interchange.c (pbb_do_interchange): Same.
1641         * graphite-poly.c (print_scattering_function): Same.
1642         (debug_pdrs): Same.
1643         * graphite-poly.h (pbb_loop): New.
1644         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
1645
1646 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1647
1648         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
1649
1650 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1651
1652         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
1653         so don't pass a pointer to it.
1654         (build_alias_set_for_drs): Same.
1655         (build_base_obj_set_for_drs): Same.
1656         (build_scop_drs): Same.
1657
1658 2009-09-26  Li Feng  <nemokingdom@gmail.com>
1659
1660         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
1661         the alias graph of data references.
1662
1663 2009-09-25  Li Feng  <nemokingdom@gmail.com>
1664
1665         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
1666         (build_scop_drs): When debugging, write the alias graph to file,
1667         otherwise, should be disabled.
1668
1669 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1670
1671         * Merge from mainline (151310:151361).
1672
1673 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1674
1675         * Merge from mainline (151171:151310).
1676
1677 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1678
1679         * Merge from mainline (151171:151806).
1680
1681 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1682
1683         * Revert the last commit.
1684
1685 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1686
1687         * Merge from mainline (151171:151819).
1688
1689 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1690
1691         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
1692         (is_simple_operand): Remove call to stmt_simple_memref_p.
1693         (stmt_simple_for_scop_p): Update call to is_simple_operand.
1694
1695 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
1696
1697         * gcc.dg/graphite/interchange-mvt.c: New File.
1698         * gcc.dg/graphite/scop-dsyrk.c: New File.
1699         * gcc.dg/graphite/scop-dsyr2k.c: New File.
1700         * gcc.dg/graphite/scop-mvt.c: New File.
1701         * gcc.dg/graphite/scop-sor.c: New File.
1702
1703 2009-09-17 Li Feng  <nemokingdom@gmail.com>
1704
1705         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
1706         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
1707         (graphite_carried_dependence_level_k): Ditto.
1708         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
1709         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
1710         (new_poly_dr): Adjust declaration.
1711         * graphite-sese-to-poly.c (free_data_refs_aux): New.
1712         (free_gimple_bb): Added free_data_refs_aux.
1713         (build_poly_dr): Add dr_base_object_set.
1714         (partition_drs_to_sets): New.
1715         (dr_same_base_object_p): New.
1716         (build_alias_set_for_drs): New.
1717         (build_base_object_set_for_drs): New.
1718         (build_scop_drs): Add build_base_obj_set_for_drs.
1719         * graphite-sese-to-poly.h: Added #define for alias set number index and
1720         base object set index.
1721         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1722         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1723
1724 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1725
1726         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1727         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1728
1729 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1730
1731         * graphite-sese-to-poly.c (struct irp_data): Removed.
1732         (idx_record_params): Removed.
1733         (find_params_in_bb): Scan for parameters the access functions; don't
1734         parse the tree representation.
1735
1736 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1737
1738         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
1739         passes at -O1 and below.
1740
1741 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1742
1743         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1744         tree-scalar-evolution.h, and then tree-data-ref.h.
1745         * graphite-clast-to-gimple.c: Same.
1746         * graphite-dependences.c: Same.
1747         * graphite-interchange.c: Same.
1748         * graphite-poly.c: Same.
1749         * graphite-scop-detection.c: Same.
1750         * graphite-sese-to-poly.c: Same.
1751         * graphite.c: Same.
1752         * lambda-code.c: Same.
1753         * matrix-reorg.c: Same.
1754         * tree-data-ref.c: Same.
1755         * tree-if-conv.c: Same.
1756         * tree-loop-distribu: Same.: Same.
1757         * tree-loop-linear.c: Same.
1758         * tree-parloops.c: Same.
1759         * tree-predcom.c: Same.
1760         * tree-vect-patterns.c: Same.
1761
1762 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1763
1764         Partially revert the previous patch, except the following.
1765         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1766         as parameters the operands of the not expression.
1767
1768 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1769
1770         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1771         Do not call analyze_scalar_evolution on assignments.
1772         (instantiate_scev_phi): Call analyze_scalar_evolution.
1773         (instantiate_scev_name): Call instantiate_scev_assign and
1774         instantiate_scev_phi.
1775         (instantiate_scev_not): Adapted to pass as parameters the operands
1776         of the not expression.
1777
1778 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1779
1780         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1781         to pass as parameters the operands of the binary expression.
1782
1783 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1784
1785         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1786         instantiate_scev_not.  Handle NEGATE_EXPR.
1787         (instantiate_scev_r): Handle NEGATE_EXPR.
1788
1789 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1790
1791         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1792         instantiate_scev_r.
1793         (instantiate_scev_r): Move code in instantiate_scev_2
1794         and instantiate_scev_1.
1795
1796 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1797
1798         * tree-scalar-evolution.c (instantiate_scev_3): New.
1799         (instantiate_scev_1): Move code in instantiate_scev_3.
1800
1801 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1802
1803         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1804         (instantiate_scev_1): Move code in instantiate_scev_poly.
1805
1806 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1807
1808         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1809         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1810
1811 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1812
1813         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1814         (instantiate_scev_1): Move code in instantiate_scev_convert.
1815
1816 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1817
1818         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1819         (instantiate_scev_1): Move code in instantiate_scev_binary.
1820
1821 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1822
1823         * tree-scalar-evolution.c (instantiate_scev_name): New.
1824         (instantiate_scev_1): Move code in instantiate_scev_name.
1825
1826 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1827
1828         * Merge from mainline (150992:151171).
1829
1830 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1831
1832         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
1833
1834 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1835
1836         * graphite-dependences.c (graphite_legal_transform_bb): Call
1837         pbb_remove_duplicate_pdrs.
1838         * graphite-poly.c (can_collapse_pdr): Removed.
1839         (pdr_find_duplicate): Removed.
1840         (can_collapse_pdrs): New.
1841         (pbb_remove_duplicate_pdrs): New.
1842         (new_poly_dr): Do not look for duplicates.
1843         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1844         (PBB_PDR_DUPLICATES_REMOVED): New.
1845         (pbb_remove_duplicate_pdrs): Declared.
1846
1847 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1848
1849         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1850         the strides by multiplying by PDR_NB_REFS.
1851         * graphite-poly.c (can_collapse_pdr): New.
1852         (pdr_find_duplicate): New.
1853         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1854         Initialize PDR_NB_REFS.
1855         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1856         (PDR_NB_REFS): New.
1857         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1858
1859 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1860
1861         Revert one of the previous commits:
1862         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1863         the computation of symmetric data dependence relations.
1864         (dependency_between_pbbs_p): Same.
1865
1866 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1867
1868         PR middle-end/40965
1869         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1870         any transform.
1871
1872 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1873
1874         * graphite-dependences.c (pddr_original_scattering): Return NULL
1875         for read-read dependence relations.
1876         * graphite-poly.h (enum poly_dr_type): Fix comment.
1877         (pdr_read_p): New.
1878         (pdr_write_p): New.
1879         (pdr_may_write_p): New.
1880
1881 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1882
1883         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1884         (struct poly_dr): Same.
1885         (new_poly_dr): Same.
1886         * graphite-poly.c (new_poly_dr): Same.
1887
1888 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1889             Sebastian Pop  <sebastian.pop@amd.com>
1890
1891         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1892         pbb_strip_mine_time_depth.  Changed the implementation so that
1893         transformation is expressed as a transformation on
1894         time (scatttering) dimensions.  Also, ensures that the 2d+1
1895         scheduling format is preserved.
1896         (pbb_strip_mine_profitable_p): Profitability is based on the
1897         iteration number of a given time (scattering) dimension,
1898         and not on a original loop depth dimension.
1899         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1900         (pbb_do_strip_mine): Call psct_dynamic_dim.
1901         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1902         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1903         (pbb_nb_dynamic_scattering_transform): New.
1904         (psct_dynamic_dim): New.
1905
1906 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1907
1908         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1909         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1910         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1911         * graphite-interchange.c (build_linearized_memory_access): Same.
1912         (memory_stride_in_loop): Same.
1913
1914 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1915
1916         * graphite-dependences.c (pddr_original_scattering): New.
1917         (graphite_legal_transform_dr): Call pddr_original_scattering.
1918         (dot_deps_1): New.
1919         (dot_deps): New.
1920         * graphite-dependences.h (dot_deps): Declared.
1921         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1922         (print_pdr): Print PDR_ID.
1923         * graphite-poly.h (struct poly_dr): Add field id.
1924         (PDR_ID): New.
1925         (pbb_index): New.
1926         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1927
1928 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1929
1930         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1931         not delete the original dependence relation.
1932
1933 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1934
1935         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1936         the computation of symmetric data dependence relations.
1937         (dependency_between_pbbs_p): Same.
1938
1939 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1940
1941         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1942         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1943         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1944         (free_poly_ddr): New.
1945         (pddr_is_empty): New.
1946         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1947         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1948         Remove fprintfs.
1949         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1950         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1951         * graphite-dependences.h (enum poly_dependence_kind): New.
1952         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1953         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1954         (PDRP_SINK): Renamed PDDR_SINK.
1955         (PDRP_DDP): Renamed PDDR_DDP.
1956         (PDDR_KIND): New.
1957         (free_poly_ddr): Declared.
1958         * graphite-poly.c (new_scop): Use the new hash function names.
1959         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1960         into original_pddrs.
1961         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1962
1963 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1964
1965         * Merge from mainline (150764:150992).
1966
1967 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1968
1969         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1970         bounds with LT_EXPR to make niter analysis more precise on code
1971         generated by Graphite.
1972
1973 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1974
1975         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1976         (graphite_legal_transform_bb): Same.
1977         (poly_drs_may_alias_p): Same.
1978
1979 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1980
1981         PR middle-end/40981
1982         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1983         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1984
1985 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1986
1987         * graphite-poly.c (print_pbb): Print PBB index.
1988
1989 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1990
1991         * Merge from mainline (r150672:150764).
1992
1993 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1994
1995         * graphite-interchange.c (ppl_max_for_le): Moved...
1996         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1997         * graphite-ppl.c (ppl_max_for_le): ... here.
1998         * graphite-ppl.h (ppl_max_for_le): Declared.
1999
2000 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
2001
2002         * Merge from mainline (r150372:150672).
2003
2004 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2005
2006         PR middle-end/40980
2007         * sese.c (convert_for_phi_arg): New.
2008         (add_guard_exit_phis): Use convert_for_phi_arg.
2009
2010         * gfortran.dg/graphite/id-17.f: New.
2011
2012 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2013
2014         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
2015         unknown subscript upper bounds.
2016
2017         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
2018
2019 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2020             Pranav Garg  <pranav.garg2107@gmail.com>
2021
2022         * graphite-interchange.c (gather_access_strides): Removed.
2023         (ppl_max_for_le): New.
2024         (build_linearized_memory_access): New.
2025         (memory_stride_in_loop): New.
2026         (pbb_interchange_profitable_p): Reimplemented.
2027         * graphite-ppl.h (ppl_new_id_map): New.
2028         (ppl_interchange): New.
2029
2030         * gcc.dg/graphite/interchange-6.c: XFAILed.
2031
2032 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2033
2034         * graphite-interchange.c (compute_subscript): Removed.
2035         (compute_array_size_cstr): Removed.
2036         (compute_array_size_poly): Removed.
2037         (compute_array_size): Removed.
2038         (gather_access_strides_poly): Removed.
2039         (gather_access_strides): Empty.
2040
2041 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2042
2043         * graphite-dependences.c (dependence_polyhedron_1): Replace
2044         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
2045         (graphite_legal_transform_dr): Same.
2046         (graphite_carried_dependence_level_k): Same.
2047         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
2048         Initialize PDR_NB_SUBSCRIPTS.
2049         (print_pdr_access_layout): Replace pdr_nb_subscripts with
2050         PDR_NB_SUBSCRIPTS.
2051         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
2052         (PDR_NB_SUBSCRIPTS): New.
2053         (pdr_nb_subscripts): Removed.
2054         (pdr_dim): Simplified.
2055         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
2056         with PDR_NB_SUBSCRIPTS.
2057
2058 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2059
2060         * graphite-interchange.c (compute_array_size): Remove use of
2061         PDR_DATA_CONTAINER.
2062         * graphite-poly.c (new_poly_dr): Remove argument data_container.
2063         Do not initialize PDR_DATA_CONTAINER.
2064         (print_pdr): Do not print PDR_DATA_CONTAINER.
2065         * graphite-poly.h (struct poly_dr): Remove data_container field.
2066         (PDR_DATA_CONTAINER): Removed.
2067         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
2068         PDR_DATA_CONTAINER.
2069         (build_poly_dr): Same.
2070
2071 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2072
2073         * gcc.dg/graphite/interchange-9.c: New.
2074
2075 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2076             Sebastian Pop  <sebastian.pop@amd.com>
2077
2078         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
2079         copy of the dependence polyhedron.  Free the temporary objects.
2080         (graphite_carried_dependence_level_k): Free unused objects before
2081         returning.
2082
2083         * gcc.dg/graphite/interchange-1.c: XFAILed.
2084         * gcc.dg/graphite/interchange-2.c: XFAILed.
2085         * gcc.dg/graphite/interchange-3.c: XFAILed.
2086         * gcc.dg/graphite/interchange-4.c: XFAILed.
2087         * gcc.dg/graphite/interchange-7.c: XFAILed.
2088
2089 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2090
2091         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
2092         Early return without analyzing the data dependences if no
2093         transform has been done.  Call restore_scattering if the transform
2094         is not legal.
2095         (graphite-interchange.c): Same.
2096         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
2097         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
2098         (apply_poly_transforms): Do not gcc_assert that
2099         the transform is legal.
2100         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2101         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
2102         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
2103         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2104         * graphite-poly.h (struct poly_scattering): New.
2105         (struct poly_bb): Add original, transformed, and saved fields.
2106         Remove transformed_scattering, original_scattering, nb_local_variables,
2107         and nb_scattering_transform fields.
2108         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
2109         (poly_scattering_new): New.
2110         (poly_scattering_free): New.
2111         (poly_scattering_copy): New.
2112         (store_scattering_pbb): New.
2113         (store_scattering): New.
2114         (restore_scattering_pbb): New.
2115         (restore_scattering): New.
2116         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2117         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
2118
2119 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2120
2121         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
2122         (print_scop): Same.
2123
2124 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2125
2126         * Makefile.in (graphite.o): Depends on PREDICT_H.
2127         * graphite.c: Include predict.h.
2128         (graphite_finalize): Call tree_estimate_probability.
2129         * predict.c (predict_loops): Do not call scev_initialize and
2130         scev_finalize.
2131         (tree_estimate_probability_bb): New.
2132         (tree_estimate_probability): Do not initialize loops: move that
2133         code to the driver.  Call tree_estimate_probability_bb.
2134         (tree_estimate_probability_driver): New.
2135         (pass_profile): Use tree_estimate_probability_driver.
2136         * predict.h (tree_estimate_probability): Declared.
2137
2138 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2139
2140         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
2141         * graphite-dependences.c (graphite_legal_transform): Add time to
2142         TV_GRAPHITE_DATA_DEPS.
2143         (dependency_between_pbbs_p): Same.
2144         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
2145
2146 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
2147
2148         * Merge from mainline (r149952:150372).
2149
2150 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2151
2152         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
2153         * graphite-blocking.c: Same.
2154         * graphite-clast-to-gimple.c: Same.
2155         * graphite-dependences.c: Same.
2156         * graphite-poly.c: Same.
2157         * graphite-poly.h: Same.
2158         * graphite-ppl.c: Same.
2159         * graphite-scop-detection.c: Same.
2160         * graphite-sese-to-poly.c: Same.
2161         * graphite.c: Same.
2162
2163 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2164
2165         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
2166         (remove_simple_copy_phi): New.
2167         (remove_invariant_phi): New.
2168         (simple_copy_phi_p): New.
2169         (reduction_phi_p): New.
2170         (gsi_for_ssa_name_def): New.
2171         (insert_out_of_ssa_copy): New.
2172         (insert_out_of_ssa_copy_on_edge): New.
2173         (create_zero_dim_array): New.
2174         (scalar_close_phi_node_p): New.
2175         (rewrite_close_phi_out_of_ssa): New.
2176         (rewrite_phi_out_of_ssa): New.
2177         (rewrite_reductions_out_of_ssa): New.
2178         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
2179
2180         * gcc.dg/graphite/id-11.c: New.
2181         * gcc.dg/graphite/id-15.c: New.
2182         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
2183         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
2184         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
2185         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
2186         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
2187         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
2188         * gfortran.dg/graphite/id-13.f: New.
2189         * gfortran.dg/graphite/id-5.f: New.
2190
2191 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2192
2193         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
2194         check that nb_reductions_in_loop is zero.
2195         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
2196         reduction phi nodes.
2197         (nb_reductions_in_loop): Removed.
2198         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
2199         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
2200         (bb_contains_non_iv_scalar_phi_nodes): Removed.
2201         (scop_contains_non_iv_scalar_phi_nodes): Removed.
2202         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
2203
2204 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2205
2206         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
2207         statements that have an empty iteration domain.
2208         * gfortran.dg/graphite/id-16.f: New.
2209
2210 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2211
2212         * tree-scalar-evolution.c (instantiate_scev_1): Return
2213         chrec_dont_know when the result is not above instantiate_below.
2214         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
2215         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
2216         the tree has a known scalar evolution.
2217         * gfortran.dg/graphite/id-14.f: New.
2218         * gfortran.dg/graphite/id-15.f: New.
2219
2220 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2221
2222         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
2223         insert_gsi.
2224         (rename_variables): Keep inserting renames after the ones already
2225         inserted.
2226
2227 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2228
2229         * graphite-sese-to-poly.c (compare_bb_depths): New.
2230         (graphite_sort_dominated_info): New.
2231         (build_scop_bbs_1): Call graphite_sort_dominated_info.
2232         (build_scop_scattering): Fix comment.
2233
2234 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2235
2236         * graphite.c (graphite_finalize): Call print_loops instead of
2237         dump_function_to_file.
2238         * gcc.dg/graphite/graphite.exp: Fix formatting.
2239         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
2240         loops generated in the graphite output file.
2241         * gcc.dg/graphite/pr35356-2.c: New.
2242         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
2243         * gfortran.dg/graphite/id-12.f: New.
2244
2245 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2246
2247         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
2248         Remove 2 XFAIL.
2249
2250 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2251             Tobias Grosser  <grosser@fim.uni-passau.de>
2252
2253         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
2254         alias set number build alias in ACCESSES polyhedron.
2255         (build_alias_set_for_drs): New.
2256         (build_pbb_drs): Added build_alias_set_for_drs.
2257         * graphite-dependences.c (poly_drs_may_alias_p): New.
2258         (graphite_carried_dependence_level_k): Check alias information
2259         before building polyhedron.
2260
2261 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2262
2263         * Makefile.in (lambda-code.o): Fix formatting.
2264
2265 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2266
2267         * Merge from mainline (r149350-149952)
2268
2269 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2270
2271         * graphite-poly.c (apply_poly_transforms): Move strip_mine
2272         before interchange to prepare for loop blocking.
2273
2274 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2275
2276         * graphite-poly.c (apply_poly_transforms): Add checks after every
2277         transformation.
2278         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
2279         done in apply_poly_transforms.
2280
2281 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2282
2283         * graphite-dependences.c (build_lexicographically_gt_constraint):
2284         Replace RES parameter with *RES.
2285         (dependence_polyhedron_1): Pass an address of the parameter RES
2286         instead of value of RES.
2287
2288 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2289
2290         * graphite.c (graphite_finalize): Fix comment.
2291         (graphite_transform_loops): Reset scev info after code generation
2292         of each scop.
2293
2294 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2295
2296         * graphite.c (graphite_finalize): Call scev_reset.
2297
2298 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2299
2300         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
2301         GBB_CLOOG_IV_TYPES hash table twice.
2302         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
2303         (add_condition_to_domain): Clear GMP values.
2304
2305 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2306
2307         * graphite-dependences.c: Fix formatting.
2308         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
2309         (pbb_number_of_iterations): Free ppl_Linear_Expression.
2310         * graphite-sese-to-poly.c: Fix formatting.
2311         * graphite.c (graphite_transform_loops): Create the hash table
2312         after the early return.
2313
2314 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2315
2316         * gcc.dg/graphite/id-14.c: New.
2317         * gcc.dg/graphite/pr40157.c: New.
2318         * gfortran.dg/graphite/id-11.f: New.
2319
2320 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2321
2322         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
2323         (build_poly_scop): Return false when there are no pbbs within
2324         loops to avoid to pass to cloog scops with no loops.
2325
2326 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2327
2328         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
2329         useless test "i % 2".
2330         (build_pbb_scattering_polyhedrons): Fix formatting.
2331         (build_poly_dr): Same.
2332         * graphite.c (graphite_transform_loops): Restructure.
2333
2334 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
2335
2336         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
2337         reduction_list parameter.
2338         (rewrite_all_phi_nodes_with_iv): Same.
2339         (canonicalize_loop_ivs): Same.
2340         * tree-parloops.c (struct brli): Removed.
2341         (build_reduction_list_info): Removed.
2342         (build_new_reduction): New.
2343         (analyze_reduction_list): Removed.
2344         (gather_scalar_reductions): Find reductions instead of phi
2345         nodes that can't be canonicalized.
2346         (try_create_reduction_list): Remove reduction_list parameter.
2347         (gen_parallel_loop): Same.
2348         (parallelize_loops): Remove analyze_reductions variable,
2349         initialization and free.
2350         Change reduction_list htab initialization to reduction_info
2351         elements instead of ssa names.
2352         Call try_create_reduction_list and gen_parallel_loop without
2353         analyzed_reduction argument.
2354         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
2355         canonicalize_loop_ivs with one less argument.
2356         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
2357
2358 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2359
2360         * graphite-dependences.c (new_poly_dr_pair): New.
2361         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
2362         (new_poly_dr_pair): New.
2363         (eq_poly_dr_pair_p): New.
2364         (hash_poly_dr_pair_p): New.
2365         * graphite-dependences.h (struct poly_dr_pair): New.
2366         (eq_poly_dr_pair_p): Declared.
2367         (hash_poly_dr_pair_p): Declared.
2368         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
2369         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
2370         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
2371         * Makefile.in (graphite-poly.o): Add dependence on
2372         graphite-dependences.h.
2373
2374 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2375
2376         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
2377         polynomials of degree > 1 pass to Graphite.
2378         * tree-chrec.c (scev_is_linear_expression): Call
2379         evolution_function_is_affine_multivariate_p.
2380         * gfortran.dg/graphite/id-10.f90: New.
2381
2382 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2383
2384         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
2385         Instantiate scevs varying in outer loops.
2386         * gfortran.dg/graphite/id-9.f: Correct testcase.
2387
2388 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2389
2390         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
2391         redundant constraint.
2392
2393 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2394
2395         * gcc.dg/graphite/graphite.exp: Fix comments.
2396         * gfortran.dg/graphite/graphite.exp: Trigger actions
2397         based on the file names as in the C testsuite.
2398         * gfortran.dg/graphite/block-1.f90: Fix patterns.
2399         * gfortran.dg/graphite/block-2.f: Same.
2400         * gfortran.dg/graphite/block-3.f90: Same.
2401         * gfortran.dg/graphite/block-4.f90: Same.
2402         * gfortran.dg/graphite/id-1.f90: Same.
2403         * gfortran.dg/graphite/id-2.f90: Same.
2404         * gfortran.dg/graphite/id-3.f90: Same.
2405         * gfortran.dg/graphite/id-4.f90: Same.
2406         * gfortran.dg/graphite/id-6.f: Same.
2407         * gfortran.dg/graphite/id-9.f: Same.
2408         * gfortran.dg/graphite/interchange-1.f: Same.
2409         * gfortran.dg/graphite/interchange-2.f: Same.
2410         * gfortran.dg/graphite/scop-1.f: Same.
2411
2412 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2413
2414         * sese.c (expand_scalar_variables_call): New.
2415         (expand_scalar_variables_ssa_name): Handle calls in expander.
2416
2417 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2418
2419         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
2420         Expect to see the pattern twice.
2421         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
2422         * gcc.dg/graphite/interchange-5.c: Same.
2423         * gcc.dg/graphite/interchange-6.c: Same.
2424
2425 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2426
2427         * gcc.dg/graphite/id-10.c: New.
2428         * gcc.dg/graphite/id-12.c: New.
2429         * gfortran.dg/graphite/id-7.f: New.
2430         * gfortran.dg/graphite/id-8.f: New.
2431
2432 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2433
2434         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
2435         zero.
2436
2437 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2438
2439         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
2440
2441 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2442
2443         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
2444
2445 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2446
2447         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
2448         building PDR subscripts.
2449
2450 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2451
2452         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
2453         computation of array sizes.
2454
2455 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2456
2457         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
2458
2459 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2460
2461         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
2462         build_pairwise_constraint, dr_equality_constraints,
2463         build_pairwise_scheduling_equality,
2464         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2465         build_lexicographically_gt_constraint, dependence_polyhedron,
2466         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
2467         Move from NNC_Polyhedron to C_Polyhedron.
2468         * graphite-interchange.c (compute_array_size_poly,
2469         gather_access_strides): Dito.
2470         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
2471         free_scop, pbb_number_of_iterations): Dito.
2472         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
2473         pbb_dim_iter_domain, struct scop): Dito.
2474         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
2475         new_Cloog_Domain_from_ppl_Polyhedron,
2476         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
2477         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
2478         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
2479         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
2480         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
2481         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
2482         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
2483         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
2484         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
2485         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
2486         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
2487         build_scop_iteration_domain, build_poly_dr): Dito
2488
2489 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2490
2491         * gcc.dg/graphite/graphite.exp: Added a rule to execute
2492         run-id-*.c files.
2493         * gcc.dg/graphite/run-id-1.c: New.
2494
2495 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2496
2497         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
2498         positivity constraint on the symbolic number of iterations.
2499
2500 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2501
2502         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
2503
2504 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2505             Tobias Grosser  <grosser@fim.uni-passau.de>
2506
2507         * graphite-clast-to-gimple.c (build_scop_context): Removed.
2508         (build_cloog_prog): Directly use SCOP_CONTEXT.
2509         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
2510         (free_scop): Free SCOP_CONTEXT.
2511         (print_scop_context): New.
2512         (print_scop): Call print_scop_context.
2513         (debug_scop_context): New.
2514         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
2515         (struct scop): Added field context.
2516         (SCOP_CONTEXT): New.
2517         * graphite-sese-to-poly.c (add_param_constraints): New.
2518         (build_scop_context): New.
2519         (build_poly_scop): Call build_scop_context.
2520
2521 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2522
2523         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
2524         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
2525         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
2526         * graphite-ppl.h: Include double-int.h and tree.h.
2527         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
2528         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
2529         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
2530         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
2531
2532 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2533
2534         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
2535         POINTER_PLUS_EXPR for pointer types.
2536         (clast_to_gcc_expression): Same.
2537
2538 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2539
2540         * graphite-poly.c (print_scattering_function): Early return when
2541         PBB_TRANSFORMED_SCATTERING is not initialized.
2542         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
2543
2544 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
2545
2546         * tree-parloops.c (analyze_reduction_list): Remove unused variable
2547         to fix bootstrap.
2548
2549 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
2550
2551         * tree-parloops.c (analyze_reduction_list): Change return
2552         value to void.
2553         (try_create_reduction_list): Move the call to
2554         analyze_reduction_list to the beginining.
2555         Call reduction_phi with analyzed_reductions as argument
2556         instead of reduction_list.
2557
2558 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2559
2560         *  Merge from mainline (r148296:149346)
2561
2562 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2563
2564         * graphite-scop-detection.c (graphite_can_represent_init): New.
2565         (graphite_can_represent_scev): Call graphite_can_represent_init:
2566         check that the initial value does not contain multiplications of
2567         parameters.
2568         (stmt_has_simple_data_refs_p): New.
2569         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
2570         (is_simple_operand): Fix formatting.
2571         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
2572
2573 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2574
2575         * gcc.dg/graphite/id-13.c: New.
2576         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
2577         analyze_scalar_evolution, use scalar_evolution_in_region.
2578         (scan_tree_for_params_right_scev): Add extra assert.
2579         (parameter_index_in_region_1): Split from parameter_index_in_region.
2580         (idx_record_params): Use scalar_evolution_in_region.
2581         (find_params_in_bb): Same.
2582         (find_scop_parameters): Same.
2583         (build_loop_iteration_domains): Same.
2584         (create_linear_expr_from_tree): Same.
2585         * sese.c (scalar_evolution_in_region): New.
2586         * sese.h (scalar_evolution_in_region): Declared.
2587         (defined_in_sese_p): New.
2588         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
2589         static anymore.
2590         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
2591         Declared.
2592
2593 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2594
2595         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
2596         TREE_DATA_REF_H also implies SCEV_H.
2597
2598 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2599
2600         * graphite-poly.c (print_scop_params): New.
2601         (print_scop): Call print_scop_params.
2602         (debug_scop_params): New.
2603         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
2604
2605 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2606
2607         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
2608         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
2609         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
2610         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
2611         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
2612         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
2613
2614 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2615
2616         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
2617         for dependency checking part.
2618         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
2619         tests for dependency checking.
2620         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2621         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2622         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
2623         flag -fdump-tree-graphite-all for autopar testsuites.
2624
2625 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2626
2627         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
2628         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
2629         canonicalize_loop_ivs): Moved...
2630         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
2631
2632 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2633
2634         * tree-parloops.c (try_create_reduction_list): Pass an extra
2635         argument analyzed_reductions.  Call analyze_reduction_list.
2636         (gen_parallel_loop): Do not call analyze_reduction_list.
2637         (parallelize_loops): Init and finalize analyzed_reductions.
2638
2639 2009-07-06  Li Feng  <nemokingdom@gmail.com>
2640
2641         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2642         Added flag -fno-loop-strip-mine for autopar testcase.
2643
2644 2009-07-04  Li Feng  <nemokingdom@gmail.com>
2645
2646         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
2647         transformed scattering dimension instead of unmatch orignal when
2648         calling dependence_polyhedron.
2649
2650 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2651
2652         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
2653
2654 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2655
2656         * graphite-poly.c (pbb_number_of_iterations): Check for returned
2657         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
2658
2659 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2660
2661         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
2662         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
2663         * graphite-poly.c (pbb_number_of_iterations): New.
2664         * graphite-poly.h (pbb_number_of_iterations): Declared.
2665         (pbb_iterator_dim, pbb_parameter_dim): New.
2666
2667 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
2668
2669         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
2670         last commit on type of lower and upper bound of loops.
2671
2672 2009-06-29  Li Feng  <nemokingdom@gmail.com>
2673
2674         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
2675         graphite-dependences.h.
2676         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
2677         (mark_bb_with_pbb): New.
2678         (get_stmtfor_depth): New.
2679         (find_pbb_via_hash): New.
2680         (dependency_in_loop_p): New.
2681         (mark_loops_parallel): New.
2682         (free_aux_in_new_loops): New.
2683         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
2684         bb with it's relevant pbb. Mark newly created loops.  Remove mark
2685         innermost loop parallel without checking.
2686         (gloog): Add parameter BB_PBB_MAPPING.
2687         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
2688         (gloog): Change declaration.
2689         (mark_loop_parallel): Make extern.
2690         (free_aux_in_new_loops): Declare.
2691         (bb_pbb_map_hash): New.
2692         (eq_bb_pbb_map): New.
2693         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
2694         auto parallelization when flag_graphite_force_parallel is set.
2695         (graphite_finalize): Added free_aux_in_new_loops.
2696         * tree-parloops.c (parallelize_loops): Only generate parallel code for
2697         the innermost loop that marked parallel.  Use
2698         flag_graphite_force_parallel instead of loop->can_be_parallel.
2699         (loop_parallel_p): Move inner most checking out of function.
2700
2701 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2702
2703         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
2704         type of lower and upper bound of loops signed long int.
2705
2706 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2707
2708         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
2709         expression outside the loop.
2710
2711 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2712
2713         * gcc.dg/graphite/interchange-8.c: New.
2714
2715 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2716
2717         * gcc.dg/graphite/interchange-0.c: XFailed.
2718         * gcc.dg/graphite/interchange-5.c: XFailed.
2719         * gcc.dg/graphite/interchange-6.c: XFailed.
2720
2721 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2722
2723         * graphite-interchange.c (compute_array_size_poly): The end of the
2724         recursion should return 1.
2725
2726 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2727
2728         * graphite-interchange.c (compute_array_size_cstr): Allow the
2729         subscript multiplier to be -1.
2730         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
2731         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
2732         data_container.  Initializes PDR_DATA_CONTAINER.
2733         (print_pdr_access_layout): New.
2734         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
2735         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
2736         data_container.
2737         (PDR_DATA_CONTAINER): New.
2738         (new_poly_dr): Update declaration.
2739         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
2740         (build_poly_dr): Call pdr_add_data_dimensions.
2741
2742 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2743
2744         * graphite-poly.h (struct poly_dr): Fix comment.
2745         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2746         (pdr_add_memory_accesses): New.
2747         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2748
2749 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2750
2751         * graphite-poly.c (print_pdrs, debug_pdrs): New.
2752         (print_pbb): Add call to print_pdrs.
2753         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2754
2755 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2756             Li Feng <nemokingdom@gmail.com>
2757
2758         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2759         (dependency_between_pbbs_p): New.
2760         (lexicographically_gt_p): Assure !empty_p before polyhedron
2761         intersection assign.
2762         (build_lexicographically_gt_constraint): Correct lexicographically
2763         judging.
2764         * graphite-dependences.h: New.
2765         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2766
2767 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2768
2769         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2770         (gloog): Print to dump_file the generated clast.
2771         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2772         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2773
2774 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2775
2776         * graphite-poly.c (extend_scattering): Increment
2777         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2778
2779 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2780
2781         * graphite-interchange.c (compute_array_size_poly): Added exit of
2782         recursion condition.  Continue iterating even after the first equality.
2783         (compute_array_size): Same.
2784
2785 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2786
2787         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2788         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2789         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2790         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2791         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2792
2793 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2794
2795         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2796         only when the use verifies is_gimple_reg.
2797
2798 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2799
2800         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2801         Allocate scaldims after call to unify_scattering_dimensions.
2802
2803 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2804
2805         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2806
2807 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2808             Albert Cohen  <albert.cohen@inria.fr>
2809
2810         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2811         variables for the strip mining.
2812
2813 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2814             Pranav Garg  <pranav.garg2107@gmail.com>
2815
2816         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2817         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2818         (graphite-blocking.o): New rule.
2819         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2820         * graphite-blocking.c: New.
2821         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2822         flag_loop_strip_mine.
2823         (psct_scattering_dim_for_loop_depth): New.
2824         * graphite-poly.h (scop_do_strip_mine): Declared.
2825         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2826         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2827         flag_loop_strip_mine.
2828
2829 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2830
2831         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2832         a GMP value and a PPL coefficient at each iteration of a loop.
2833
2834 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2835
2836         * graphite-dependences.c (dependence_polyhedron): Do not use
2837         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2838         pbb_nb_scattering_transform.
2839         (graphite_legal_transform_dr): Same.
2840         * graphite-poly.c (extend_scattering): Same.
2841         (unify_scattering_dimensions): Same.
2842         (print_scattering_function): Same.
2843         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2844         PBB_NB_LOCAL_VARIABLES.
2845         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2846         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2847         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2848         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2849         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2850         (pbb_nb_scattering_transform): New.
2851         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2852         (psco_scattering_dim): Add assert on parameters.
2853         (psct_scattering_dim): Same.
2854         (psct_scattering_dim_for_loop_depth): Declared.
2855         (psct_local_var_dim): New.
2856         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2857         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2858         correct layout, call pbb_nb_local_vars.
2859         (psct_add_local_variable, psct_add_scattering_dimension): New.
2860         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2861         Initialize PBB_NB_SCATTERING_TRANSFORM.
2862
2863 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2864
2865         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2866         (set_coef): Renamed ppl_set_coef.
2867         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2868
2869 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2870
2871         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2872         test a boolean against 1.
2873         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2874         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2875         (pbb_do_interchange): Returns true when a transform has been performed.
2876         (scop_do_interchange): Same.
2877         * graphite-poly.c (apply_poly_transforms): Use the return value of
2878         scop_do_interchange.
2879         * graphite-poly.h (scop_do_interchange): Update declaration.
2880
2881 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2882
2883         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2884         after last use.
2885         * sese.c (sese_reset_aux_in_loops): New.
2886         * sese.h (sese_reset_aux_in_loops): New.
2887
2888 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2889
2890         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2891         multiplier and multiply the constant by the multiplier.
2892         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2893         (build_poly_dr): Do not use the multiplier to define the subscript.
2894
2895 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2896
2897         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2898         compiler's data reference.  Initialize PDR_CDR.
2899         (print_pdr): Call dump_data_reference.
2900         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2901         Add compiler_dr field.
2902         (PDR_BB): Renamed PDR_PBB.
2903         (PDR_CDR): New.
2904         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2905         GCC's data reference representation.
2906         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2907         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2908
2909 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2910
2911         * graphite-poly.c (print_scattering_function): Also print the layout.
2912         * graphite-poly.h (pbb_nb_local_vars): New.
2913
2914 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2915
2916         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2917
2918 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2919
2920         * graphite-poly.c (print_pdr, debug_pdr): New.
2921         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2922         (PDR_BASE): Removed.
2923
2924 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2925
2926         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2927         ltrans-{1..6,8}.c.
2928
2929 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2930
2931         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2932         subscript identification column.
2933         (pbb_do_interchange): Print to dump_file that some loops "will be
2934         interchanged".  Rely on that chain of characters in the testcases.
2935         * gcc.dg/graphite/interchange-0.c: New.
2936         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2937         interchange-*.c files and compile them with -floop-interchange.
2938
2939 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2940
2941         * graphite-interchange.c (interchange_profitable_p): Renamed
2942         pbb_interchange_profitable_p.
2943
2944 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2945             Harsha Jagasia  <harsha.jagasia@amd.com>
2946             Pranav Garg  <pranav.garg2107@gmail.com>
2947
2948         * graphite-interchange.c (interchange_profitable_p): Make static.
2949         (pbb_interchange_loop_depths, pbb_do_interchange,
2950         scop_do_interchange): New.
2951         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2952         for flag_loop_interchange.
2953         * graphite-poly.h (scop_do_interchange): Declared.
2954         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2955         flag_loop_interchange is used.
2956
2957 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2958
2959         * graphite-dependences.c (dependence_polyhedron): Update use of
2960         pbb_nb_scattering_dims.
2961         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2962         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2963         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2964         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2965
2966 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2967
2968         * graphite.c: Cleanup foo.
2969
2970 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2971
2972         * Merge from mainline (r143684:148293).
2973         * Disabled libpcp until it gets fixed.
2974
2975 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2976             Harsha Jagasia  <harsha.jagasia@amd.com>
2977
2978         * graphite-interchange.c: New.
2979         * Makefile.in (graphite-interchange.o): New.
2980         * graphite-poly.h (interchange_profitable_p): Declared.
2981         * graphite-ppl.h (value_max): New.
2982
2983 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2984
2985         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2986         * graphite-poly.h: Fix some comments.
2987         (pdr_dim): New.
2988         (pdr_scop): New.
2989
2990 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2991
2992         * graphite-poly.h
2993         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2994         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2995         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2996         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2997         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2998         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2999         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
3000         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
3001         * graphite-clast-to-gimple.c: Same.
3002         * graphite-dependences.c: Same.
3003         * graphite-poly.c: Same.
3004         * graphite-sese-to-poly.c: Same.
3005
3006 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3007
3008         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
3009         expressions for an IV rename, as returned by clast_to_gcc_expression.
3010         (copy_renames): Rename new_name to expr.
3011         * sese.c (debug_rename_elt): Same.
3012         (get_rename): Same.
3013         (set_rename): Same.
3014         (sese_adjust_liveout_phis): Call force_gimple_operand before using
3015         the information from the rename map.
3016         (rename_variables_in_stmt): Same.
3017         (add_loop_exit_phis): Rename new_name to expr.
3018         (insert_loop_close_phis): Same.
3019         (add_guard_exit_phis): Same.  Call force_gimple_operand.
3020         * sese.h (struct rename_map_elt): Rename new_name to expr.
3021         (new_rename_map_elt): Same.
3022
3023 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3024
3025         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
3026         * sese.c (set_rename): Make it extern.
3027         * sese.h (set_rename): Declared.
3028
3029 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3030
3031         * graphite-poly.c (extend_scattering): Free values.
3032         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
3033         Free iterators.
3034         (ppl_print_powerset_matrix): Same.
3035         * graphite-scop-detection.c (free_scops_1): New.
3036         (limit_scops): Call free_scops_1.
3037         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
3038         (build_poly_dr): Free PPL coefficients.
3039         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
3040
3041 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
3042
3043         * graphite-dependences.c: New.
3044         * graphite-data-ref.c: Removed.
3045         * graphite-data-ref.h: Removed.
3046         * Makefile.in (graphite-data-ref.o): Removed.
3047         (graphite-dependences.o): Added.
3048         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
3049         * graphite-poly.c: Same.
3050         Move the data dependence testing to graphite-dependences.c.
3051
3052 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3053
3054         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
3055         from graphite_cannot_represent_loop. Code refactored.
3056         (scopdet_basic_block_info): Call graphite_can_represent_loop.
3057
3058 2009-05-17  Li Feng  <nemokingdom@gmail.com>
3059
3060         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
3061         Cover all the testcases (not only the filtered ones).
3062
3063 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3064
3065         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
3066         unnecessary check. Update comments. Move check for REAL_TYPE here.
3067         (harmful_stmt_in_bb): Remove checks for conditions. This is already
3068         done in (stmt_simple_for_scop_p).
3069
3070 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
3071
3072         * graphite.c (print_global_statistics): New.
3073         (print_graphite_scop_statistic): New.
3074         (print_graphite_statistics): New.
3075         (graphite_initialize, graphite_transform_loops): Print statistics.
3076         * graphite-scop-detection (build_scops): Print statistics.
3077         (print_graphite_scop_statistics): New.
3078         (print_graphite_statistics): New.
3079
3080 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3081
3082         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
3083         (debug_clast_name_index): Removed.
3084         (debug_clast_name_indexes_1): Removed.
3085         (debug_clast_name_indexes): Removed.
3086         (clast_name_index_elt_info): Removed.
3087         (eq_clast_name_indexes): Removed.
3088         (clast_name_to_index): Removed.
3089         (new_clast_name_index): Removed.
3090         (save_clast_name_index): Removed.
3091         (save_var_name): Moved...
3092         (init_sese_params_index): Removed.
3093         (clast_name_to_gcc): Remove use of name_tree.
3094         (initialize_cloog_names): Same.
3095         (gloog): Do not call init_sese_params_index.
3096         * graphite-sese-to-poly.c (save_var_name): ...here.
3097         (parameter_index_in_region): New.
3098         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
3099         (parameter_index_in_region): Removed.
3100         (is_parameter): Remove use of name_tree.
3101         * sese.h (struct name_tree): Removed.
3102         (struct sese): Remove use of name_tree.  New field params_names.
3103         (SESE_PARAMS_NAMES): New.
3104         (SESE_PARAMS): Remove duplicate.
3105         (parameter_index_in_region): Removed.
3106         (sese_nb_params): Remove use of name_tree.
3107         (struct clast_name_index): New.
3108         (new_clast_name_index): New.
3109         (clast_name_to_index): New.
3110         (save_clast_name_index): New.
3111         (debug_clast_name_index): New.
3112         (debug_clast_name_indexes_1): New.
3113         (debug_clast_name_indexes): New.
3114         (clast_name_index_elt_info): New.
3115         (eq_clast_name_indexes): New.
3116
3117 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3118
3119         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
3120         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
3121         (graphite_loop_normal_form): Do not pass region.  Do not
3122         initialize SESE_OLDIVS.
3123         (build_graphite_loop_normal_form): Update call to
3124         graphite_loop_normal_form.
3125         * sese.c (debug_oldivs): Removed.
3126         (new_sese): Do not initialize SESE_OLDIVS.
3127         (free_sese): Do not free SESE_OLDIVS.
3128         (oldiv_for_loop): Removed.
3129         * sese.h (struct sese): Remove old_ivs.
3130         (SESE_OLDIVS): Removed.
3131         (oldiv_for_loop): Removed.
3132
3133 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3134
3135         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
3136         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
3137         replaced by a call to newivs_to_depth_to_newiv.
3138         (clast_to_gcc_expression): Pass newivs, remove ivstack.
3139         (clast_to_gcc_expression_red): Same.
3140         (gcc_type_for_clast_expr): Same.
3141         (gcc_type_for_clast_eq): Same.
3142         (graphite_translate_clast_equation): Same.
3143         (graphite_create_guard_cond_expr): Same.
3144         (graphite_create_new_guard): Same.
3145         (graphite_create_new_loop): Same.
3146         (build_iv_mapping): Same.
3147         (translate_clast): Same.
3148         (gloog): Same.
3149         (loop_iv_stack_patch_for_consts): Removed.  *
3150         sese.c (iv_stack_entry_is_constant): Removed.
3151         (iv_stack_entry_is_iv): Removed.
3152         (loop_iv_stack_push_iv): Removed.
3153         (loop_iv_stack_insert_constant): Removed.
3154         (loop_iv_stack_pop): Removed.
3155         (loop_iv_stack_get_iv): Removed.
3156         (loop_iv_stack_get_iv_from_name): Removed.
3157         (debug_loop_iv_stack): Removed.
3158         (free_loop_iv_stack): Removed.
3159         (loop_iv_stack_remove_constants): Removed.  *
3160         sese.h (iv_stack_entry_kind): Removed.
3161         (iv_stack_entry_data_union): Removed.
3162         (iv_stack_entry_struct): Removed.
3163         (iv_stack_entry_p): Removed.
3164         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
3165         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
3166         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
3167         loop_iv_stack_pop, free_loop_iv_stack): Removed.
3168         (gbb_loop_at_index): Fix indenting.
3169         (gbb_loop_index): Removed.
3170
3171 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3172
3173         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
3174         Call clast_name_to_index.
3175
3176 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3177
3178         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
3179         do not pass params.  Get params from SESE_PARAMS.
3180         (clast_to_gcc_expression): Same.
3181         (clast_to_gcc_expression_red): Same.
3182         (gcc_type_for_clast_eq): Same.
3183         (graphite_translate_clast_equation): Same.
3184         (graphite_create_new_loop): Same.
3185         * sese.c (rename_variables_in_stmt): Fix comment.
3186
3187 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3188
3189         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
3190         newivs_index.
3191         Call save_clast_name_index.
3192         (translate_clast): Pass newivs_index.
3193         (gloog): Create and free newivs_index.
3194
3195 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3196
3197         * graphite-clast-to-gimple.c (clast_name_index): New structure.
3198         (clast_name_index_p): New type.
3199         (debug_clast_name_index): New.
3200         (debug_clast_name_indexes_1): New.
3201         (debug_clast_name_indexes): New.
3202         (clast_name_index_elt_info): New.
3203         (eq_clast_name_indexes): New.
3204         (clast_name_to_index): New.
3205         (new_clast_name_index): New.
3206         (save_clast_name_index): New.
3207         (init_sese_params_index): New.
3208         (gloog): Call init_sese_params_index.
3209         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
3210         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
3211         (free_sese): Free SESE_PARAMS_INDEX.
3212         * sese.h (struct sese): Add params_index.
3213         (SESE_PARAMS_INDEX): New.
3214
3215 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3216
3217         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
3218         (graphite_create_new_loop): Pass the newivs vector.  Push the
3219         newly created IV to newivs.
3220         (translate_clast): Pass the newivs vector.
3221         (gloog): Create and destroy the newivs vector.
3222
3223 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3224
3225         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
3226         (graphite_loop_normal_form): Initialize loop->aux with the unique
3227         IV that has been created.
3228
3229 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
3230
3231         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
3232         scev with parameters in the base part. They where forbidden
3233         exidently.
3234
3235 2009-05-11  Li Feng  <nemokingdom@gmail.com>
3236
3237         * gcc.dg/graphite/graphite.exp: Set different default
3238         compile options by file names.
3239         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
3240         * gcc.dg/graphite/id-{1-9}.c: Ditto.
3241         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
3242         * gcc.dg/graphite/scop-matmult.c: Ditto.
3243
3244 2009-05-08  Li Feng <nemokingdom@gmail.com>
3245
3246         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
3247         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
3248         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
3249         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
3250
3251 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3252
3253         * graphite-scop-detection (build_scops_1): Fix little bug introduced
3254         by final cleanup.
3255
3256 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3257
3258         * graphite-scop-detection.c (graphite_can_represent_scev): Only
3259         allow integer constant strides.
3260         (graphite_can_represent_expr): Depend on outermost_loop.
3261         (stmt_simple_memref_p, graphite_cannot_represent_loop,
3262         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
3263         build_scops_1): Same.
3264         (scopdet_basic_block_info): Same and insert layered SCoP
3265         detection.
3266         (try_generate_gimple_bb): Cleanup.
3267         (build_scops): Enable data references.
3268
3269         * gcc.dg/graphite/id-5.c: New.
3270         * gcc.dg/graphite/id-9.c: New.
3271         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
3272         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
3273
3274 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3275
3276         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
3277         that we have not yet built for this SCoP.
3278
3279 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3280
3281         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
3282         for complex numbers.
3283
3284 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3285
3286         * graphite-ppl.c: Fix build if cloog is not available.
3287
3288 2009-05-04  Li Feng  <nemokingdom@gmail.com>
3289
3290         * tree-parloops.c (loop_parallel_p): Remove construction of
3291         NITER and REDUCTION_LIST.
3292         (try_get_loop_niter): New.
3293         (try_create_reduction_list): New.
3294         (parallelize_loops): Bypass the failed checkings in autopar
3295         when can_be_parallel in loop structure is set to true.
3296
3297 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3298
3299         * gcc.dg/graphite/id-6.c: Update testcase.
3300         * gcc.dg/graphite/scop-3.c: Dito.
3301
3302 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3303
3304         * graphite-scop-detection.c (stmt_simple_for_scop_p):
3305         Enable EQ_EXPR and NE_EXPR again.
3306
3307 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3308
3309         * graphite-scop-detection.c (graphite_can_represent_scev):
3310         Add check if scev is affine multivariate.
3311         (harmful_stmt_in_bb): Check if we can represent the conditions.
3312         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
3313         harmful_stmt_in_bb.
3314         * gcc.dg/graphite/id-7.c: New.
3315
3316 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3317
3318         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
3319         Check all bbs in region, not only the bbs that are represented in
3320         GRAPHITE.
3321         (build_poly_scop): Add newline.
3322         * gcc.dg/graphite/id-8.c: New.
3323
3324 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3325
3326         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
3327         when loop initialize.
3328         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
3329         * common.opt: Declare flag_graphite_force_parallel.
3330         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
3331         loop parallel.
3332         * graphite-poly.c (apply_poly_transforms): Introduce
3333         flag_graphite_force_parallel.
3334         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
3335         * toplev.c (process_options): ditto and replace a not correctly
3336         encoded space.
3337
3338 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3339
3340         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
3341         Change the call of gbb_loop_at_index and/or gbb_loop_index due
3342         to the redefinition.
3343         (compute_cloog_iv_types_1): ditto.
3344         (build_iv_mapping): ditto.
3345         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
3346         initialization.
3347         (free_gimple_bb): Removed GBB_LOOPS related free part.
3348         (build_bb_loops): Removed.
3349         * sese.h (struct gimple_bb): Removed loops.
3350         (GBB_LOOPS): Removed.
3351         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
3352         (gbb_loop_index): ditto.
3353
3354 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3355
3356         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
3357         allow non constant strides.
3358         * gcc.dg/graphite/scop-20.c: New.
3359
3360 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3361
3362         * graphite-scop-detection.c (dot_all_scops): Fix system call
3363         return value warning.
3364         (dot_scop): Same.
3365
3366 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3367
3368         * gcc.dg/graphite/id-6.c: Fix pattern.
3369         * gcc.dg/graphite/scop-3.c: Same.
3370
3371 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3372
3373         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
3374         build_pairwise_constraint, dr_equality_constraints,
3375         build_pairwise_scheduling_equality,
3376         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3377         build_lexicographically_gt_constraint, dependence_polyhedron,
3378         graphite_legal_transform_dr, graphite_legal_transform_bb,
3379         graphite_legal_transform): New.
3380         * graphite-poly.h (graphite_legal_transform): Declared.
3381         * graphite-sese-to-poly.c (build_poly_scop): Call to
3382         graphite_legal_transform is disabled for the moment.
3383
3384 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3385
3386         * graphite-poly.h (pbb_nb_scattering_dims): New.
3387         (pbb_nb_scattering): Use it.
3388
3389 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3390
3391         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
3392         Pointset_Powerset version of ppl_insert_dimensions.
3393         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
3394
3395 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3396
3397         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
3398
3399 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3400
3401         * graphite-poly.h: Fix comment.
3402
3403 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3404
3405         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
3406
3407 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3408
3409         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
3410         statements.
3411
3412 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3413
3414         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
3415         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
3416         conditions.
3417
3418 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
3419
3420         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
3421         handle EQ_EXPR and NE_EXPR.
3422
3423 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3424
3425         * graphite-poly.h (poly_dr): Fix comment.
3426
3427 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3428             Tobias Grosser  <grosser@fim.uni-passau.de>
3429
3430         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
3431         with a zero dimension polyhedron.
3432         (find_scop_parameters): Move the call to scop_set_nb_params here.
3433         (build_loop_iteration_domains): Store in loop->aux the iteration
3434         domain polyhedron.
3435         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
3436         by any loop in scop.
3437         (build_poly_scop): Do not call scop_set_nb_params.
3438
3439 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3440             Tobias Grosser  <grosser@fim.uni-passau.de>
3441
3442         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
3443         add_condition_to_domain not GT_EXPR.
3444
3445 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3446
3447         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
3448         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
3449         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
3450         upper_bound_assign to calculate unions.
3451         * gcc.dg/graphite/id-6.c: New.
3452
3453 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3454
3455         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
3456         handle abnormal edges.
3457
3458 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3459
3460         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
3461         (free_poly_bb): Also free poly_drs.
3462         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
3463         (poly_dr): Polyhedron to Pointset_Powerset.
3464         (pdr_accessp_nb_subscripts): Same.
3465         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
3466         poly_drs.
3467
3468 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3469
3470         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
3471         names into more meaningful names.
3472
3473 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3474
3475         * gfortran.dg/graphite/interchange-1.c: New.
3476         * gfortran.dg/graphite/interchange-2.c: New.
3477
3478 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3479
3480         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
3481         the reduction_list.
3482         * tree-parloops.c (rewrite_phi_with_iv): New.
3483         (rewrite_all_phi_nodes_with_iv): New.
3484         (canonicalize_loop_ivs): Call them.
3485
3486 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3487
3488         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
3489         graphite_find_data_references_in_stmt.
3490         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
3491         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
3492
3493 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3494
3495         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
3496
3497 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3498
3499         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
3500         instead of bb_in_region.
3501         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
3502         (build_sese_conditions): Use flag_bb_in_sese.
3503         * sese.c (register_bb_in_sese): Removed.
3504         (new_sese): Remove initialization of SESE_REGION_BBS.
3505         (free_sese): Do not free SESE_REGION_BBS.
3506         * sese.h (struct sese): Remove field region_basic_blocks.
3507         (SESE_REGION_BBS): Removed.
3508         (bb_in_sese_p): Implement in function of bb_in_region.
3509
3510 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3511
3512         * graphite-scop-detection.c (limit_scops): Deal only with single exit
3513         loops.
3514
3515 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3516
3517         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
3518         and EQ_EXPR.
3519         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
3520         (add_condition_to_domain): New.
3521         (add_condition_to_pbb): New.
3522         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
3523         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
3524
3525 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3526
3527         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
3528         ppl_Pointset_Powerset.
3529         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
3530         * graphite-poly.h (poly_bb): poly_bb.domain Same.
3531         (pbb_nb_loops): Same.
3532         * graphite-sese-to-poly.c (build_loop_iteration_domains,
3533         add_conditions_to_domain): Same.
3534         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
3535         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
3536         ppl_const_Polyhedron_t.
3537         (ppl_print_powerset_matrix): New.
3538         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
3539         ppl_print_powerset_matrix): New.
3540         (ppl_print_polyhedron_matrix): Updated.
3541
3542 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3543
3544         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
3545
3546 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3547
3548         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
3549         (print_iteration_domains, debug_iteration_domain,
3550         debug_iteration_domains): New.
3551         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
3552         debug_iteration_domains): Declared.
3553         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
3554         indenting.
3555
3556 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3557             Sebastian Pop  <sebastian.pop@amd.com>
3558
3559         * graphite-poly.h (print_iteration_domain): New.
3560         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
3561         (build_sese_conditions_1, build_sese_conditions_after,
3562         build_sese_conditions_before): New.
3563         (build_sese_conditions): Rewritten.
3564
3565 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3566             Tobias Grosser  <grosser@fim.uni-passau.de>
3567
3568         Cleanup of code generation liveouts.
3569         * graphite-clast-to-gimple.c (translate_clast): Use a single
3570         rename_map instead of one per translated statement.
3571         Do not use SESE_LIVEOUT_RENAMES.
3572         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
3573         (gloog): Do not use SESE_LIVEOUT_RENAMES.
3574         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
3575         phi node of a reduction: when a loop contains a reduction used outside
3576         the loop, there should be a scalar close phi node on the exit block.
3577         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
3578         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
3579         (free_sese): Do not free them.
3580         (sese_build_liveouts_use): Do not use them.
3581         (sese_build_liveouts_bb): Same.
3582         (sese_build_liveouts): Same.
3583         (sese_insert_phis_for_liveouts): Same.
3584         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
3585         (defined_in_loop_p): New.
3586         (alive_after_loop): New.
3587         (close_phi_not_yet_inserted_p): New.
3588         (struct alep, alep_p): New.
3589         (add_loop_exit_phis): Remove from the rename_map all the names defined
3590         in the code generated loop.
3591         (insert_loop_close_phis): Traverse the rename_map passed to it.
3592         Don't use SESE_LIVEOUT_RENAMES.
3593         (default_liveout_before_guard): Renamed default_before_guard.
3594         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
3595         (graphite_copy_stmts_from_block): Do not directly call set_rename.
3596         (register_sese_liveout_renames): Removed.
3597         (copy_bb_and_scalar_dependences): Do not call it.
3598         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
3599         reduction_list.
3600         (SESE_LIVEOUT): Removed.
3601         (SESE_LIVEOUT_RENAMES): Removed.
3602         (SESE_REDUCTION_LIST): Removed.
3603         (sese_build_liveouts): Removed.
3604         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
3605         (insert_loop_close_phis): Pass a htab_t instead of a sese.
3606         (insert_guard_phis): Same.
3607         (rename_map_elt): Declare a VEC of them.
3608         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3609         trees not pointers to trees.
3610
3611         Rewrite in canonical close SSA form:
3612         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
3613         (limit_scops): Close the scop after the block containing the close phi
3614         nodes.
3615         (canonicalize_loop_closed_ssa): New.
3616         (canonicalize_loop_closed_ssa_form): New.
3617         (build_scops): Call canonicalize_loop_closed_ssa_form.
3618
3619         * graphite-sese-to-poly.c: Fix typos.
3620
3621 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3622
3623         * graphite-poly.c (print_scattering_function, print_pbb_domain):
3624         Extended.
3625         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
3626         (print_pbb): Add conditions.
3627
3628 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3629             Sebastian Pop  <sebastian.pop@amd.com>
3630
3631         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
3632         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
3633         (build_scop_bbs_1): New.
3634         (build_scop_bbs): Rewrite.
3635         * sese.h (bb_in_region): New.
3636
3637 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3638
3639         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3640         poly_drs vector.
3641         (print_scop): Style.
3642         * graphite-poly.h (poly_bb): Add drs vector.
3643         (PBB_DRS): Add accessor.
3644         * graphite-sese-to-poly.c (build_poly_dr): New.
3645         (build_pbb_drs, build_scop_drs): New.
3646         (build_poly_scop): call build_scop_drs (Disabled at the moment).
3647
3648 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3649
3650         * tree-ssa-loop.c: Include forgotten toplev.h
3651
3652 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3653
3654         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
3655         * gcc.dg/graphite/pr37883.c: Remove -floop-*
3656         * gcc.dg/graphite/pr37928.c: Same
3657         * gcc.dg/graphite/pr38409.c: Same
3658         * gcc.dg/graphite/pr38498.c: Same
3659         * gcc.dg/graphite/pr38559.c: Same
3660         * gcc.dg/graphite/pr39335.c: Same
3661         * gcc.dg/graphite/pr39335_1.c: Same
3662         * gfortran.dg/graphite/block-2.f: Same
3663         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
3664         with -floop-*.
3665
3666 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
3667
3668         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
3669         build_access_matrix, build_scop_data_accesses): Remove access function
3670         building. (We get a new version soon).
3671         (build_bb_loops, scan_tree_for_params_right_scev): Update.
3672         * sese.h (nb_loops_around_loop_in_sese): Remove.
3673         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
3674
3675 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
3676             Sebastian Pop  <sebastian.pop@amd.com>
3677
3678         * graphite-scop-detection.c (struct scopdet_info): Rename last
3679         field to exit.
3680         (scopdet_basic_block_info, build_scops_1): Don't use
3681         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
3682
3683 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
3684             Sebastian Pop  <sebastian.pop@amd.com>
3685
3686         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
3687         * sese.c (sese_build_liveouts_use): Renamed from
3688         sese_build_livein_liveouts_use. Remove liveins.
3689         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
3690         Call sese_build_liveouts_use.
3691         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
3692         Call sese_build_liveouts_bb.
3693         (new_sese, free_sese): Remove liveins.
3694         (sese_add_exit_phis_var): Deleted.
3695         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
3696         directly.
3697         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
3698
3699         * sese.h (sese): Remove num_ver and livein.
3700         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
3701
3702 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3703
3704         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
3705
3706 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3707
3708         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
3709         (build_scop_scattering): Do not use compare_prefix_loops any more.
3710         (nb_common_loops): New.
3711
3712 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3713
3714         * sese.c (get_new_name_from_old_name): Renamed get_rename.
3715         (register_old_and_new_names): Renamed set_rename.
3716
3717 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3718
3719         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
3720         of the decl from the previous commit.
3721
3722 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3723
3724         * graphite-scop-detection.c (dot_scop): New.
3725         * graphite-scop-detection.h (dot_scop): Declared.
3726
3727 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3728
3729         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
3730
3731 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3732
3733         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
3734         condition at the end of the loop.
3735         * graphite.c (graphite_initialize, graphite_finalize): Print to
3736         dump_file the compiled function.
3737         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
3738         of create_empty_loop_on_edge.
3739         (translate_clast): Update the code generation of loops for the new
3740         shape of loops.
3741         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
3742
3743 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3744
3745         Reverted the patch from 2009-03-19.
3746
3747 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3748
3749         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3750         poly_drs vector.
3751         (print_scop): Style.
3752         * graphite-poly.h (poly_bb): Add drs vector.
3753         (PBB_DRS): Add accessor.
3754         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
3755         (build_access_matrix_with_af, build_access_matrix,
3756         build_scop_data_accesses): Delete.
3757         (build_poly_dr): New.
3758         (build_pbb_drs, build_scop_drs): New.
3759         (build_poly_scop): call build_scop_drs.
3760
3761 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3762
3763         * graphite-scop-detection.c (dot_all_scops_1): Close the table
3764         once per basic block.
3765
3766 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3767
3768         * graphite-scop-detection.c (graphite_can_represent_scev): New.
3769         (graphite_can_represent_expr): Renamed from loop_affine_expr
3770         and enhanced.
3771         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
3772         (graphite_cannot_represent_loop): Add scop_entry to parameters.
3773         (scopdet_basic_block_info): Actually define entry_block.
3774         (stmt_simple_memref_p): Moved here from ...
3775
3776         * tree-data-ref.c (stmt_simple_memref_p): here.
3777         * tree-data-ref.h (stmt_simple_memref_p): Removed.
3778
3779 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3780
3781         * gcc.dg/graphite/id-4.c: New.
3782
3783 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3784
3785         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3786         (register_old_and_new_names): Update the content of the map.
3787         When there was already a rename_map_elt in the map at that
3788         location, free it.
3789         (copy_bb_and_scalar_dependences): Do rename_variables after
3790         expand_scalar_variables.
3791         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3792         of the map.  When there was already a rename_map_elt in the
3793         map at that location, free it.
3794         (translate_clast): Pass the rename_map.  Do not initialize and free
3795         a rename_map per stmt_user.
3796         (gloog): Initialize and free one rename_map and pass it to
3797         translate_clast.
3798
3799 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3800
3801         * sese.c (expand_scalar_variables_stmt,
3802         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
3803         parameter.
3804         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
3805         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
3806         the gimple_stmt_iterator of the statement to be expanded.
3807         * graphite-scop-detection.c (is_simple_operand): Do handle
3808         REALPART_EXPR.
3809
3810 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3811
3812         * graphite-scop-detection.c (is_simple_operand): Do not handle
3813         REALPART_EXPR.
3814         * gcc.dg/graphite/id-2.c: New.
3815
3816         * graphite-sese-to-poly.c (build_bb_loops,
3817         add_value_to_dim, scan_tree_for_params_right_scev,
3818         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
3819         find_params_in_bb, build_loop_iteration_domains,
3820         add_conditions_to_domain): Remove subtract.
3821
3822 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3823
3824         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
3825         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
3826         pbb_loop_at_index -> gbb_loop_at_index.
3827         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
3828         (debug_loop_vec): Delete.
3829         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
3830         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
3831         (PBB_LOOPS): Removed.
3832         (PBB_BLACK_BOX): Insert cast.
3833         (pbb_set_black_box): New setter.
3834         (pbb_loop_at_index, pbb_loop_index): Removed.
3835         (scop_set_region, scop_set_nb_params): New.
3836         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
3837         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
3838         (build_poly_scop): Use scop_set_nb_params.
3839         * sese.h (gimple_bb): Add LOOPS.
3840         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
3841
3842 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3843
3844         Revert previous commit.
3845
3846 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3847
3848         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3849         (register_old_and_new_names): Update the content of the map.
3850         When there was already a rename_map_elt in the map at that
3851         location, free it.
3852         (copy_bb_and_scalar_dependences): Do rename_variables after
3853         expand_scalar_variables.
3854         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3855         of the map.  When there was already a rename_map_elt in the
3856         map at that location, free it.
3857         (translate_clast): Pass the rename_map.  Do not initialize and free
3858         a rename_map per stmt_user.
3859         (gloog): Initialize and free one rename_map and pass it to
3860         translate_clast.
3861
3862 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3863
3864         Remove forgotten line in revert.
3865
3866 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3867
3868         Revert previous commit.
3869
3870 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3871
3872         * sese.c (register_old_and_new_names): Update the content
3873         of the map.  When there was already a rename_map_elt in the
3874         map at that location, free it.
3875         (copy_bb_and_scalar_dependences): Do rename_variables after
3876         expand_scalar_variables.
3877         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3878         of the map.  When there was already a rename_map_elt in the
3879         map at that location, free it.
3880         (translate_clast): Pass the rename_map.  Do not initialize and free
3881         a rename_map per stmt_user.
3882         (gloog): Initialize and free one rename_map and pass it to
3883         translate_clast.
3884
3885 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3886
3887         * graphite-clast-to-gimple.c (translate_clast): context_loop
3888         is never NULL.
3889
3890 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3891             Sebastian Pop  <sebastian.pop@amd.com>
3892
3893         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
3894         of the use of ppl_Polyhedron_map_space_dimensions.
3895
3896 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3897             Sebastian Pop  <sebastian.pop@amd.com>
3898
3899         * graphite-poly.c (unify_scattering_dimensions): Fix types.
3900         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
3901         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
3902         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
3903         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
3904         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
3905         pbb_nb_params): New.
3906         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
3907         nb_loops_around_pbb): Adapt return types.
3908
3909 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3910
3911         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3912         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3913         graphite-scop-detection.o, graphite-poly.o): Add
3914         more headers.
3915
3916 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3917
3918         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3919         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3920         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
3921
3922 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3923
3924         * gcc.dg/graphite/pr37485.c: Remove -floop-block
3925         * gcc.dg/graphite/pr37828.c: Same.
3926         * gcc.dg/graphite/pr37684.c: Same.
3927         * gcc.dg/graphite/block-0.c: Same.
3928         * gcc.dg/graphite/block-1.c: Same.
3929         * gcc.dg/graphite/block-2.c: Same.
3930         * gcc.dg/graphite/block-3.c: Same.
3931         * gcc.dg/graphite/block-4.c: Same.
3932         * gcc.dg/graphite/block-5.c: Same.
3933         * gcc.dg/graphite/block-6.c: Same.
3934         * gfortran.dg/graphite/pr38083.f90: Same.
3935         * gfortran.dg/graphite/block-1.f90: Same.
3936         * gfortran.dg/graphite/block-3.f90: Same.
3937         * gfortran.dg/graphite/pr37852.f90: Same.
3938         * gfortran.dg/graphite/block-4.f90: Same.
3939         * gfortran.dg/graphite/pr37980.f90: Same.
3940         * gfortran.dg/graphite/pr38953.f90: Same.
3941         * gfortran.dg/graphite/pr37857.f90: Same.
3942         * opts.c: Remove -floop-block from -O2.
3943         * graphite-poly.c: Fail if -floop-block -floop-interchange or
3944         -floop-strip-mine are used.
3945
3946 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3947             Sebastian Pop  <sebastian.pop@amd.com>
3948
3949         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
3950         dimensions.
3951         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
3952         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
3953         strip_mine_profitable_p, is_interchange_valid,
3954         graphite_trans_bb_block, graphite_trans_loop_block,
3955         graphite_trans_scop_block): Temporary removed.
3956         (extend_scattering, unify_scattering_dimensions): New.
3957         (print_scattering_function, graphite_read_transforms):
3958         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3959         (graphite_generate_scattering_fns): Removed.
3960         (apply_poly_transforms): Cleanup.
3961         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3962         (schedule_to_scattering): Moved.
3963         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
3964         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
3965         (pbb_nb_scattering): New.
3966         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3967         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
3968         Removed.
3969         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
3970         shift_poly.
3971         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3972         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
3973         -> PBB_TRANSFORMED_SCATTERING.
3974         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
3975         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
3976         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
3977         (check_poly_representation): Do not return bool.
3978         (graphite_transform_loops): Reformat.
3979         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
3980
3981 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
3982
3983         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
3984         debug_pbb_domain, debug_pbb, debug_scop): New.
3985         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
3986         debug_pbb_domain, debug_pbb, debug_scop): Declared.
3987
3988 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3989
3990         PR middle-end/39335
3991         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3992         when the type precision of the induction variable should be
3993         larger than the type precision of nit.
3994         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3995         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
3996         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3997
3998         * gcc.dg/graphite/pr39335_1.c: New.
3999         * gcc.dg/graphite/pr39335.c: New.
4000
4001 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4002
4003         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
4004         SSA_NAMES not struct reduction_info.
4005
4006 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4007
4008         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
4009
4010 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4011             Tobias Grosser  <grosser@fim.uni-passau.de>
4012
4013         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
4014         (free_sese): Free SESE_REDUCTION_LIST.
4015         * sese.h (struct sese): Add field reduction_list.
4016         (SESE_REDUCTION_LIST): New.
4017         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
4018         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
4019
4020 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4021             Tobias Grosser  <grosser@fim.uni-passau.de>
4022
4023         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
4024         of loop_p.
4025
4026 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4027             Tobias Grosser  <grosser@fim.uni-passau.de>
4028
4029         * tree-parloops.c (struct brli, build_reduction_list_info,
4030         analyze_reduction_list, gather_scalar_reductions): New.
4031         (loop_parallel_p): Build a reduction list containing only
4032         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
4033         (gen_parallel_loop): Call the analysis analyze_reduction_list.
4034         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
4035         * tree-flow.h (gather_scalar_reductions): Declared.
4036
4037 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
4038
4039         PR middle-end/39308
4040         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
4041         number_of_iterations_exit from a gcc_assert.
4042
4043 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
4044             Jan Sjodin  <jan.sjodin@amd.com>
4045
4046         * output.h (graphite_out_file, graphite_in_file): Declared.
4047         * toplev.c (graphite_out_file, graphite_in_file): New.
4048         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
4049         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
4050         Don't call schedule_to_scattering.
4051         * common.opt (fgraphite-write, fgraphite-read): New.
4052         * graphite-poly.c: Include output.h.
4053         (print_scattering_function, print_scattering_functions,
4054         debug_scattering_function, debug_scattering_functions,
4055         graphite_write_transforms, graphite_read_transforms,
4056         graphite_generate_scattering_fns): New.
4057         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
4058         Call graphite_generate_scattering_fns, graphite_write_transforms,
4059         graphite_read_transforms.
4060         (new_poly_bb): Initialize PBB_SCATTERING.
4061         (free_poly_bb): Free PBB_SCATTERING.
4062         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
4063         * graphite-poly.h (struct poly_bb): Add field scattering.
4064         (PBB_SCATTERING): New.
4065         (print_scattering_function, print_scattering_functions,
4066         debug_scattering_function, debug_scattering_functions): Declared.
4067         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
4068         GMP values, not integers!
4069         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
4070         ppl_read_polyhedron_matrix): New.
4071         * graphite-ppl.h (ppl_print_polyhedron_matrix,
4072         debug_ppl_polyhedron_matrix,
4073         ppl_read_polyhedron_matrix): Declared.
4074         * Makefile.in (graphite-poly.o): Depends on output.h.
4075
4076 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4077             Tobias Grosser  <grosser@fim.uni-passau.de>
4078
4079         Revert this change:
4080         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
4081         scalar evolutions in the scop_entry->loop_father.
4082
4083 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4084             Tobias Grosser  <grosser@fim.uni-passau.de>
4085
4086         * graphite.h (ref_nb_loops): Remove declaration.
4087         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
4088         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
4089         debug_gbb): Moved to sese.h.
4090         * sese.h: As said.
4091
4092 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4093             Tobias Grosser  <grosser@fim.uni-passau.de>
4094
4095         * graphite-data-ref.[ch]: Disable.
4096
4097 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4098             Tobias Grosser  <grosser@fim.uni-passau.de>
4099
4100         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
4101         scalar evolutions in the scop_entry->loop_father.
4102
4103 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4104
4105         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
4106         (graphite_cannot_represent_loop_niter): Renamed
4107         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
4108         (limit_scops): build_sese_loop_nests does not return a bool.
4109         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
4110         * sese.c (nb_reductions_in_loop): ... from here.
4111         (graphite_loop_normal_form): ... from here.
4112         (sese_record_loop): Does not fail, so does not return a bool.
4113         (build_sese_loop_nests): Same.
4114         * sese.h (build_sese_loop_nests): Update declaration.
4115         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
4116         (build_graphite_loop_normal_form): New.
4117         (gloog): Call build_graphite_loop_normal_form.
4118         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
4119         build_sese_loop_nests.
4120
4121         * gcc.dg/graphite/id-1.c: New.
4122
4123 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4124             Tobias Grosser  <grosser@fim.uni-passau.de>
4125
4126         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
4127         The SCoP detection fix is sufficient.
4128
4129 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4130
4131         PR tree-optimization/39260
4132         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
4133         the basic block contains a condition with a real type.
4134         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
4135
4136         * gcc.dg/graphite/pr39260.c: New.
4137
4138 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4139
4140         * graphite-poly.c: Inlcude params.h.
4141         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
4142         the size of a tile.
4143         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
4144         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
4145
4146 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4147             Tobias Grosser  <grosser@fim.uni-passau.de>
4148
4149         * graphite-scop-detection.c (dot_all_scops_1,
4150         dot_all_scops): Moved here.
4151         * graphite-scop-detection.h (dot_all_scops): Declared here.
4152         * graphite.c (graphite_initialize, graphite_finalize): New.
4153         (graphite_transform_loops): Cleaned up.
4154         * sese.c (debug_oldivs): Moved here.
4155         * graphite-poly.c (graphite_apply_transformations): Renamed
4156         apply_poly_transforms.
4157         (debug_loop_vec): Moved here.
4158         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
4159         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
4160         find_scop_parameters, build_scop_iteration_domain,
4161         add_conditions_to_constraints, build_scop_canonical_schedules,
4162         build_scop_data_accesses): Now static.
4163         (build_poly_scop, check_poly_representation): New.
4164
4165 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4166
4167         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
4168         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
4169         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
4170         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
4171         scan_tree_for_params_right_scev, scan_tree_for_params_int,
4172         scan_tree_for_params, struct irp_data, dx_record_params,
4173         find_params_in_bb, find_scop_parameters, gbb_from_bb,
4174         build_loop_iteration_domains, add_conditions_to_domain,
4175         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
4176         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
4177         build_sese_conditions, add_conditions_to_constraints,
4178         build_scop_iteration_domain, build_access_matrix_with_af,
4179         build_access_matrix,
4180         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
4181
4182         * graphite-sese-to-poly.c: New.
4183         * graphite-sese-to-poly.h: New.
4184
4185         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
4186
4187 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4188
4189         * graphite.c: Split graphite code generation to a new file.
4190         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
4191         max_precision_type, clast_to_gcc_expression_red,
4192         clast_to_gcc_expression, gcc_type_for_clast_expr,
4193         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
4194         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
4195         graphite_create_new_guard, clast_get_body_of_loop,
4196         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
4197         graphite_create_new_loop, build_iv_mapping, copy_renames,
4198         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4199         compute_cloog_iv_types, free_scattering, save_var_name,
4200         initialize_cloog_names, build_scop_context, build_cloog_prog,
4201         set_cloog_options, debug_clast_stmt, scop_to_clast,
4202         print_generated_program, debug_generated_program,
4203         gloog): Moved to graphite-clast-to-gimple.c.
4204
4205         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
4206
4207         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
4208         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
4209         loop_iv_stack_pop, loop_iv_stack_get_iv,
4210         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
4211         free_loop_iv_stack, loop_iv_stack_remove_constants,
4212         debug_rename_elt, debug_rename_map_1, debug_rename_map,
4213         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
4214         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
4215         eq_ivtype_map_elts, sese_add_exit_phis_edge,
4216         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
4217         get_vdef_before_sese, sese_adjust_vphi,
4218         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
4219         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
4220         is_iv, expand_scalar_variables_ssa_name,
4221         expand_scalar_variables_expr, expand_scalar_variables_stmt,
4222         expand_scalar_variables, rename_variables, remove_condition,
4223         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
4224         add_loop_exit_phis, insert_loop_close_phis, struct igp,
4225         default_liveout_before_guard, add_guard_exit_phis,
4226         insert_guard_phis, register_old_and_new_names,
4227         graphite_copy_stmts_from_block, register_sese_liveout_renames,
4228         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
4229         if_region_set_false_region, create_if_region_on_edge,
4230         move_sese_in_condition): Moved to sese.c.
4231
4232         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
4233         if_region_exit, if_region_get_condition_block,
4234         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
4235         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
4236         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
4237         ivtype_map_elt, new_ivtype_map_elt,
4238         recompute_all_dominators): Moved to sese.h.
4239
4240         * graphite-clast-to-gimple.c: New.
4241         * graphite-clast-to-gimple.h: New.
4242         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
4243         * sese.c: Modified as said above.
4244         * sese.h: Same.
4245
4246 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4247
4248         * graphite.c: Split scop detection to a new file.
4249         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
4250         move_sd_regions, loop_affine_expr, exclude_component_ref,
4251         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
4252         graphite_cannot_represent_loop_niter, struct scopdet_info,
4253         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
4254         find_single_entry_edge, find_single_exit_edge,
4255         create_single_entry_edge, sd_region_without_exit,
4256         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
4257         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
4258         Moved to graphite-scop-detection.c.
4259
4260         * graphite-scop-detection.c: New.
4261         * graphite-scop-detection.h: New.
4262         * Makefile.in: Add new rule for graphite-scop-detection.o.
4263
4264         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
4265         tree-scalar-evolution.h.
4266         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
4267         build_sese_loop_nests): Moved here from graphite.c.
4268         (param_index): Renamed parameter_index_in_region.
4269
4270 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4271             Sebastian Pop  <sebastian.pop@amd.com>
4272
4273         * gcc.dg/graphite/block-0.c: Expected to fail now.
4274         * gcc.dg/graphite/block-1.c: Same.
4275         * gcc.dg/graphite/block-5.c: Same.
4276         * gcc.dg/graphite/block-6.c: Same.
4277
4278 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4279             Sebastian Pop  <sebastian.pop@amd.com>
4280
4281         * graphite.h: Separate from graphite_bb_p the polyhedral
4282         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
4283         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
4284         graphite-data-ref.h.
4285         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
4286         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
4287         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
4288         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
4289         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
4290         scop_nb_params): Moved to graphite-poly.h.
4291         * graphite-data-ref.c: Same.
4292         * graphite-data-ref.h: New.
4293         * graphite.c: Same.
4294         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
4295         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
4296         is_interchange_valid, graphite_trans_bb_block,
4297         graphite_trans_loop_block, scop_max_loop_depth,
4298         graphite_trans_scop_block, graphite_apply_transformations,
4299         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
4300         graphite-poly.c.
4301         * graphite-poly.h: New.
4302         * graphite-poly.c: New.
4303         * Makefile.in (OBJS-common): Add graphite-poly.o.
4304         (graphite-poly.o): New rule.
4305         * tree-data-ref.h (struct data_reference): Remove unused scop field.
4306         (DR_SCOP): Removed.
4307
4308 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4309             Tobias Grosser  <grosser@fim.uni-passau.de>
4310
4311         * graphite.c: Replace gb -> gbb.
4312         * graphite.h: Same.
4313         * graphite-data-ref.c: Same.
4314
4315 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4316             Tobias Grosser  <grosser@fim.uni-passau.de>
4317
4318         * Makefile.in (OBJS-commmon): Add sese.o.
4319         (sese.o): New.
4320         (graphite.o): Add sese.h.
4321         * graphite.c (bb_in_ss_p, loop_in_sese_p,
4322         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
4323         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
4324         Move to sese.
4325         (block_before_scop): Add missing return.
4326         (new_scop, free_scop): Remove SESE data structures.
4327         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
4328         find_scop_parameters, build_loop_iteration_domains,
4329         add_conditions_to_domain, register_scop_liveout_renames,
4330         copy_bb_and_scalar_dependences): Scop -> SESE.
4331
4332         (add_conditions_to_domain): SCoP -> SESE and remove check
4333         (scop_contains_non_iv_scalar_phi_nodes): New.
4334         (build_scop_conditions_1, build_scop_conditions): Remove check for
4335         non iv scalar phi nodes.
4336         (print_scop_statistics): New.
4337         (graphite_transform_loops): Cleanup.
4338
4339         * graphite.h: Move to sese & cleanup.
4340         * sese.c: New.
4341         * sese.h: New.
4342
4343 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4344             Tobias Grosser  <grosser@fim.uni-passau.de>
4345
4346         * graphite.c (build_scop_conditions_1): Conditions are only
4347         at the end of a basic block.
4348
4349 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4350             Tobias Grosser  <grosser@fim.uni-passau>
4351
4352         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
4353         field.
4354         (GBB_ALPHA): Removed.
4355
4356 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4357             Tobias Grosser  <grosser@fim.uni-passau.de>
4358
4359         * graphite-data-ref.c (graphite_test_dependence): Don't use
4360         GBB_DYNAMIC_SCHEDULE.
4361         * graphite.c (new_graphite_bb): Same.
4362         (free_graphite_bb): Same.
4363         (build_scop_dynamic_schedules): Removed.
4364         (graphite_transform_loops): Don't call it.
4365         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
4366         (GBB_DYNAMIC_SCHEDULE): Removed.
4367
4368 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4369             Tobias Grosser  <grosser@fim.uni-passau.de>
4370
4371         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
4372         (print_graphite_bb): Same.
4373         (build_cloog_prog): Same.
4374
4375 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4376             Tobias Grosser  <grosser@fim.uni-passau.de>
4377
4378         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
4379
4380 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4381             Tobias Grosser  <grosser@fim.uni-passau.de>
4382
4383         * graphite.c (build_scop_context): Don't use CloogMatrix.
4384         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
4385         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
4386
4387 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4388             Tobias Grosser  <grosser@fim.uni-passau.de>
4389
4390         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
4391         liveout_renames, add_params fields...
4392         (struct sese): ... here.
4393         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
4394         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
4395
4396 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4397             Tobias Grosser  <grosser@fim.uni-passau.de>
4398
4399         * graphite.c (print_scop): Do not print the CLooG program.
4400         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
4401         build_cloog_prog, gloog): Don't use SCOP_PROG.
4402         (find_transform): Renamed scop_to_clast.
4403         (print_generated_program, debug_generated_program): New.
4404         (graphite_transform_loops): Adapt to new interface.
4405         * graphite.h (struct scop): Remove program field.
4406         (SCOP_PROG): Removed.
4407         (print_generated_program, debug_generated_program): Declared.
4408
4409 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4410
4411         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
4412         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
4413         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
4414         free_graphite_bb, build_scop_canonical_schedules,
4415         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
4416         schedules are now represented using a ppl_Linear_Expression_t.
4417         * graphite.h (struct graphite_bb): Same.
4418         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
4419         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
4420
4421 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
4422
4423         * graphite.c: Free local memory.
4424         * graphite-ppl.c: Same.
4425
4426 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
4427
4428         * graphite.c (const_column_index, get_first_matching_sign_row_index,
4429         get_lower_bound_row, get_upper_bound_row, copy_constraint,
4430         swap_constraint_variables, scale_constraint_variable): Removed.
4431         (graphite_trans_bb_strip_mine): Remove pong.
4432         * graphite-ppl.c: Include missing header files.
4433         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
4434         * graphite-ppl.h (ppl_strip_loop): Declared.
4435         * Makefile.in (graphite-ppl.o): Adjust dependences.
4436
4437 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
4438
4439         * graphite.c (build_loop_iteration_domains): Remove ping pong.
4440         (build_scop_iteration_domain): Same.
4441
4442 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
4443
4444         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4445         ping pong.
4446         (add_value_to_dim, scan_tree_for_params_right_scev,
4447         scan_tree_for_params_int): New.
4448         * graphite-ppl.c (oppose_constraint): New.
4449         (insert_constraint_into_matrix): Implement missing cases.
4450         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4451
4452 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
4453
4454         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4455         use ppl_move_dimension.
4456
4457 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
4458
4459         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
4460         * graphite.c: Same.
4461         * graphite.h: Same.
4462         * graphite-ppl.c: Same.
4463         * graphite-ppl.h: Same.
4464
4465 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
4466
4467         Revert last 3 commits.
4468
4469 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4470
4471         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4472         ping pong.
4473         (add_value_to_dim, scan_tree_for_params_right_scev,
4474         scan_tree_for_params_int): New.
4475         * graphite-ppl.c (oppose_constraint): New.
4476         (insert_constraint_into_matrix): Implement missing cases.
4477         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4478
4479 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4480
4481         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
4482
4483 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4484             Tobias Grosser  <grosser@fim.uni-passau.de>
4485
4486         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4487         use ppl_move_dimension.
4488         * graphite-ppl.c (ppl_move_dimension): New.
4489         * graphite-ppl.h (ppl_move_dimension): Declared.
4490
4491 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4492
4493         * graphite.c: Do not include cloog/cloog.h.
4494         (print_graphite_bb): Remove ping pong, call PPL print function.
4495
4496 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4497
4498         * Makefile.in (OBJS-common): Add graphite-ppl.o.
4499         (graphite.o): Add dependence on graphite-ppl.h.
4500         (graphite-ppl.o): New.
4501         (graphite-data-ref.c): Ping pong between PPL data structures
4502         and matrices.
4503         * graphite-ppl.c: New.
4504         * graphite-ppl.h: New.
4505         * graphite.c: Include graphite-ppl.h.
4506         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
4507         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
4508         Ping pong between PPL data structures and matrices.
4509         (new_graphite_bb): Create a PPL constraint system.
4510         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
4511         (build_loop_iteration_domains): Use PPL functions.
4512         * graphite.h: Include graphite-ppl.h.  Fix comments.
4513         (graphite_bb): Use a ppl_Constraint_System_t instead of
4514         CloogMatrix for representing the domain.
4515         (scop): Remove static_schedule.
4516         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
4517
4518 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
4519
4520         * graphite.c: Fix some comments.
4521
4522 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
4523
4524         PR middle-end/38953
4525         * graphite.c (if_region_set_false_region): After moving a region
4526         in the false branch of a condition, remove the empty dummy
4527         basic block.
4528         (gloog): Remove wrong fix for PR38953.
4529
4530 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4531
4532         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4533         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4534         register_bb_in_sese, new_sese, free_sese): Moved.
4535         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4536         outermost_loop_in_scop, build_scop_iteration_domain,
4537         expand_scalar_variables_ssa_name, get_vdef_before_scop,
4538         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4539         Use loop_in_sese_p instead of loop_in_scop_p.
4540         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
4541         (free_scop): Do not free SCOP_BBS_B.
4542         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
4543         ref_nb_loops): Moved here...
4544         * graphite.h (ref_nb_loops): ... from here.
4545         (struct scop): Remove bbs_b bitmap.
4546         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4547         * gcc.dg/graphite/scop-19.c: New
4548
4549 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4550
4551         * graphite.c (scopdet_basic_block_info): Fix bug in scop
4552         detection.
4553
4554 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4555
4556         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4557         eq_loop_to_cloog_loop): Remove.
4558         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
4559         * graphite.h (struct scop): Remove loop2cloog_loop.
4560         (loop_domain_dim, loop_iteration_vector_dim): Remove.
4561
4562 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4563
4564         * opts.c (decode_options): Only add graphite options to O2
4565         if we compile with graphite enabled.
4566
4567 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4568
4569         * Merge from mainline (r143163:143684).
4570
4571 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4572
4573         * graphite.c (debug_value): Removed.
4574         * graphite.h (debug_value): Removed.
4575
4576 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4577
4578         * passes.c (init_optimization_passes): Do not call pass_copy_prop
4579         after graphite: pass_copy_prop does not maintain a proper loop closed
4580         SSA form.  pass_copy_prop should be fixed.
4581
4582 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4583
4584         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
4585
4586 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4587
4588         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4589         (gloog): Split the exit of the scop when the scop exit is a loop exit.
4590         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4591         changed the CFG.
4592
4593 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
4594
4595         * graphite.c (gloog): Return true when code gen succeeded.
4596         (graphite_transform_loops): Do not call cleanup_tree_cfg if
4597         the code of the function did not changed.  After cleanup_tree_cfg
4598         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
4599         form.
4600
4601 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
4602
4603         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4604         gimple_call_lhs is NULL.
4605
4606 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4607             Tobias Grosser  <tobi.grosser@amd.com>
4608
4609         * graphite.c (graphite_trans_scop_block): Do not block single
4610         nested loops.
4611
4612 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4613             Tobias Grosser  <tobi.grosser@amd.com>
4614
4615         * graphite.c (build_scop_canonical_schedules): Start schedules at
4616         zero.
4617
4618 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4619             Tobias Grosser  <tobi.grosser@amd.com>
4620
4621         * graphite.c (compare_prefix_loops): New.
4622         (build_scop_canonical_schedules): Rewritten.
4623         (graphite_transform_loops): Move build_scop_canonical_schedules
4624         after build_scop_iteration_domain.
4625
4626 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4627             Tobias Grosser  <tobi.grosser@amd.com>
4628
4629         * graphite.c (add_conditions_to_domain): Add the loops to
4630         the dimension of the iteration domain.  Do copy the domain
4631         only when it exists.
4632         (build_scop_conditions_1): Do not call add_conditions_to_domain.
4633         (add_conditions_to_constraints): New.
4634         (can_generate_code_stmt, can_generate_code): Removed.
4635         (gloog): Do not call can_generate_code.
4636         (graphite_transform_loops): Call add_conditions_to_constraints
4637         after building the iteration domain.
4638
4639 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4640             Tobias Grosser  <tobi.grosser@amd.com>
4641             Jan Sjodin  <jan.sjodin@amd.com>
4642
4643         * graphite.c (scan_tree_for_params): On substractions negate
4644         all the coefficients of the term.
4645         (clast_to_gcc_expression_red): New.  Handle reduction expressions
4646         of more than two operands.
4647         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
4648         (get_vdef_before_scop): Handle also the case of default definitions.
4649
4650 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4651
4652         PR middle-end/38431
4653         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
4654         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
4655         (gloog): Do not call cleanup_tree_cfg.
4656         (graphite_transform_loops): Call cleanup_tree_cfg after all
4657         scops have been code generated.
4658
4659 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4660
4661         * passes.c (init_optimization_passes): Schedule after
4662         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
4663
4664 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4665
4666         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
4667         Fix comment.
4668         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
4669         Set the type of an expression to the type of its assign statement.
4670         (expand_scalar_variables_expr):  Do not pass loop_p.
4671         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
4672         (copy_bb_and_scalar_dependences): Do not pass loop_p.
4673         (translate_clast): Update call to copy_bb_and_scalar_dependences.
4674
4675 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4676
4677         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
4678         an expression to the gimple_expr_type of its assign statement.
4679         (expand_scalar_variables_expr): Stop recursion on tcc_constant
4680         or tcc_declaration.
4681
4682 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4683
4684         PR tree-optimization/38786
4685         * gcc.dg/graphite/pr38786.c: New.
4686         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
4687         the SSA_NAME case of expand_scalar_variables_expr.
4688         (expand_scalar_variables_expr): Also gather the scalar computation
4689         used to index the memory access.
4690         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
4691         the gimple_stmt_iterator where it inserts new code.
4692
4693 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4694
4695         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
4696
4697 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4698
4699         * opts.c (decode_options): Enable flag_graphite_identity and
4700         flag_loop_block in -O2 and above.
4701
4702 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4703
4704         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
4705         Fix merge problem: replace with the file from trunk.
4706
4707 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4708
4709         * Merge from mainline (r141727:143163).
4710
4711 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
4712             Jan Sjodin  <jan.sjodin@amd.com>
4713
4714         PR tree-optimization/38559
4715         * gcc.dg/graphite/pr38559.c: New.
4716
4717         * graphite.c (debug_value, copy_constraint,
4718         swap_constraint_variables, scale_constraint_variable, ): New.
4719         (get_lower_bound, get_upper_bound): Removed.
4720         (graphite_trans_bb_strip_mine): Clean up this code that works
4721         only for constant number of iterations.  Fully copy upper and
4722         lower bound constraints, not only the constant part of them.
4723         * graphite.h (debug_value): Declared.
4724
4725 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
4726
4727         PR tree-optimization/38492
4728         PR tree-optimization/38498
4729         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4730         * tree-chrec.h (scev_is_linear_expression): Declared.
4731         * graphite.c (graphite_cannot_represent_loop_niter): New.
4732         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4733         (graphite_loop_normal_form): Use gcc_assert.
4734         (scan_tree_for_params): Use CASE_CONVERT.
4735         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4736         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4737         Use gcc_assert.  Discard scops that contain unhandled cases.
4738         (build_scop_conditions): Return a boolean status for unhandled cases.
4739         (strip_mine_profitable_p): Print the loop number, not its depth.
4740         (is_interchange_valid): Pass the depth of the loop nest, don't
4741         recompute it wrongly.
4742         (graphite_trans_bb_block): Same.
4743         (graphite_trans_bb_block): Print tentative of loop blocking.
4744         (graphite_trans_scop_block): Do not print that the loop has been
4745         blocked.
4746         (graphite_transform_loops): Do not handle scops that contain condition
4747         scalar phi nodes.
4748
4749         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
4750         in trunk.
4751         * gcc.dg/graphite/block-0.c: Update test.
4752         * gcc.dg/graphite/block-1.c: Same.
4753         * gcc.dg/graphite/block-2.c: Remove xfail and test for
4754         blocking.
4755         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
4756         * gcc.dg/graphite/block-3.c: New.
4757         * gcc.dg/graphite/pr38498.c: New.
4758
4759 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
4760
4761         PR tree-optimization/38510
4762         * gcc.dg/graphite/pr38510.c: New.
4763         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4764           (translate_clast): Call recompute_all_dominators before
4765           graphite_verify.
4766           (gloog): Call recompute_all_dominators before graphite_verify.
4767
4768 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
4769
4770         PR tree-optimization/38492
4771         * graphite.c (rename_map_elt, debug_rename_elt,
4772         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4773         rename_map_elt_info, eq_rename_map_elts,
4774         get_new_name_from_old_name, bb_in_sese_p): Moved around.
4775         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4776         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4777         (sese_build_livein_liveouts): New.
4778         (new_sese, free_sese): New.
4779         (new_scop): Call new_sese.
4780         (free_scop): Call free_sese.
4781         (rename_variables_from_edge, rename_phis_end_scop): Removed.
4782         (register_old_new_names): Renamed register_old_and_new_names.
4783         (register_scop_liveout_renames, add_loop_exit_phis,
4784         insert_loop_close_phis, struct igp,
4785         default_liveout_before_guard, add_guard_exit_phis,
4786         insert_guard_phis, copy_renames): New.
4787         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4788         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4789         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4790         (scop_adjust_phis_for_liveouts): New.
4791         (gloog): Call scop_adjust_phis_for_liveouts.
4792
4793         * graphite.h (struct sese): Documented.  Added fields liveout,
4794         num_ver and livein.
4795         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4796         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4797         (struct scop): Added field liveout_renames.
4798         (SCOP_LIVEOUT_RENAMES): New.
4799
4800 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4801
4802         PR tree-optimization/38409
4803         * gcc.dg/graphite/pr38409.c: New.
4804         * graphite.c (nb_reductions_in_loop): Use simple_iv.
4805
4806 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4807
4808         * graphite.c (gcc_type_for_cloog_iv): By default return
4809         integer_type_node.
4810         (graphite_create_new_loop): Don't fold_convert the already
4811         fold_convert-ed expression.
4812
4813 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
4814
4815         PR tree-optimization/38446
4816         * gcc.dg/graphite/pr38446.c: New.
4817         * graphite.c (register_bb_in_sese): New.
4818         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
4819         looking at the bbs in the region.
4820         * graphite.h (sese): Add region_basic_blocks pointer set to
4821         structure and initialize at the time of defining new scop.
4822
4823 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4824
4825         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
4826         (find_params_in_bb): Do not free data refs.
4827         (free_graphite_bb): Add FIXME on disabled free_data_refs.
4828
4829 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4830
4831         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
4832         * gcc.dg/graphite/scop-17.c: Same.
4833         * gcc.dg/graphite/block-5.c: New.
4834         * gcc.dg/graphite/block-6.c: New.
4835         * gcc.dg/graphite/pr37485.c: Clean dump file after.
4836         * gcc.dg/graphite/pr37684.c: Same.
4837         * gcc.dg/graphite/block-2.c: Same.
4838
4839         * graphite.c (struct ivtype_map_elt): New.
4840         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
4841         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
4842         gcc_type_for_cloog_iv): New.
4843         (loop_iv_stack_patch_for_consts): Use the type of the induction
4844         variable from the original loop, except for the automatically
4845         generated loops, i.e., in the case of a strip-mined loop, in
4846         which case there is no original loop: in that case just use
4847         integer_type_node.
4848         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
4849         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
4850         (clast_name_to_gcc): Accept params to be NULL.
4851         (clast_to_gcc_expression): Take an extra parameter for the type.
4852         Convert to that type all the expressions built by this function.
4853         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
4854         (graphite_translate_clast_equation): Compute the type of the
4855         clast_equation before translating its LHS and RHS.
4856         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
4857         (graphite_create_new_loop): Compute the type of the induction
4858         variable before translating the lower and upper bounds and before
4859         creating the induction variable.
4860         (rename_variables_from_edge, rename_phis_end_scop): New.
4861         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
4862         (sese_add_exit_phis_edge): Do not use integer_zero_node.
4863         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4864         compute_cloog_iv_types): New.
4865         (gloog): Call compute_cloog_iv_types before starting the
4866         translation of the clast.
4867
4868         * graphite.h (struct graphite_bb): New field cloog_iv_types.
4869         (GBB_CLOOG_IV_TYPES): New.
4870         (debug_ivtype_map): Declared.
4871         (oldiv_for_loop): New.
4872
4873 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4874
4875         PR middle-end/38459
4876         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
4877         (param_index): Assert if parameter is not know after parameter
4878         detection.
4879         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
4880         (find_scop_parameters): Mark, that we have finished parameter
4881         detection.
4882         (graphite_transform_loops): Move condition detection before parameter
4883         detection.
4884         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
4885         * gfortran.dg/graphite/pr38459.f90: New.
4886
4887 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4888
4889         * graphite.c (graphite_transform_loops): Always call find_transform ()
4890         in ENABLE_CHECKING.  So we test these code paths, even if we do not
4891         generate code.
4892
4893 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4894
4895         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
4896         (print_scop): Ditto.
4897
4898 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4899
4900         PR middle-end/38084
4901         Fix gfortran.dg/graphite/id-3.f90.
4902         * graphite.c (scopdet_basic_block_info): Fix bug that found some
4903         regions more than once.
4904
4905 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4906
4907         Fix gfortran.dg/graphite/id-4.f90.
4908         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
4909         when not needed.
4910
4911 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4912
4913         Fix gfortran.dg/graphite/id-1.f90.
4914         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
4915         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
4916         (max_precision_type): New.
4917         (value_clast): Removed.
4918         (clast_to_gcc_expression): Be more careful to types of expressions.
4919         Use max_precision_type and update use of gmp_cst_to_tree.
4920         (graphite_translate_clast_equation): Use max_precision_type.
4921         (graphite_create_guard_cond_expr): Do not use integer_type_node,
4922         use the type of the condition.
4923         (graphite_create_new_loop): Do not use integer_type_node, use the
4924         max_precision_type of lb and ub.
4925
4926 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4927
4928         * graphite.c (build_scops_1): Initialize open_scop.exit
4929         and sinfo.last.
4930
4931 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4932
4933         * gcc.dg/graphite/pr38084.c: New.
4934         * gfortran.dg/graphite/id-1.f90: New.
4935         * gfortran.dg/graphite/id-2.f90: New.
4936         * gfortran.dg/graphite/id-3.f90: New.
4937         * gfortran.dg/graphite/id-4.f90: New.
4938         * gfortran.dg/graphite/pr37857.f90: New.
4939
4940 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4941             Jan Sjodin  <jan.sjodin@amd.com>
4942             Harsha Jagasia  <harsha.jagasia@amd.com>
4943
4944         PR middle-end/37852
4945         PR middle-end/37883
4946         PR middle-end/37928
4947         PR middle-end/37980
4948         PR middle-end/38038
4949         PR middle-end/38039
4950         PR middle-end/38073
4951         PR middle-end/38083
4952         PR middle-end/38125
4953
4954         * gcc.dg/graphite/pr38073.c: New.
4955         * gcc.dg/graphite/pr37928.c: New.
4956         * gcc.dg/graphite/pr37883.c: New.
4957         * gcc.dg/graphite/pr38125.c: New.
4958         * gfortran.dg/graphite/pr38083.f90: New.
4959         * gfortran.dg/graphite/pr37852.f90: New.
4960         * gfortran.dg/graphite/pr37980.f90: New.
4961
4962         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
4963         the number of detected scops.  Copy exact same test for loop
4964         blocking...
4965         * gcc.dg/graphite/block-1.c: Fix the number of expected
4966         loops to be blocked as reductions are not handled.
4967         * gcc.dg/graphite/block-4.c: ...here.  New.
4968
4969         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
4970         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
4971         ...here.
4972         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
4973         * Makefile.in (graphite.o): Depend on value-prof.h.
4974         (graphite.o-warn): Removed -Wno-error.
4975         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
4976         to be a NULL pointer.  Call update_stmt.  Return the newly created
4977         cannonical induction variable.
4978
4979         * graphite.h (debug_rename_map): Declared.  Fix some comments.
4980
4981         * graphite.c: Reimplement the code generation from graphite to gimple.
4982         Include value-prof.h.
4983         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
4984         (get_old_iv_from_ssa_name): Removed.
4985         (graphite_stmt_p): New.
4986         (new_graphite_bb): Test for useful statements before building a
4987         graphite statement for the basic block.
4988         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
4989         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
4990         reason.
4991         (recompute_all_dominators, graphite_verify,
4992         nb_reductions_in_loop, graphite_loop_normal_form): New.
4993         (scop_record_loop): Call graphite_loop_normal_form.
4994         (build_scop_loop_nests): Iterate over all the blocks of the
4995         function instead of relying on the incomplete information from
4996         SCOP_BBS.  Return the success of the operation.
4997         (find_params_in_bb): Use the data from GBB_DATA_REFS.
4998         (add_bb_domains): Removed.
4999         (build_loop_iteration_domains): Don't call add_bb_domains.
5000         Add the iteration domain only to the basic blocks that have been
5001         translated to graphite.
5002         (build_scop_conditions_1): Add constraints only if the basic
5003         block have been translated to graphite.
5004         (build_scop_data_accesses): Completely disabled until data
5005         dependence is correctly implemented.
5006         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
5007         (remove_all_edges_1, remove_all_edges): Removed.
5008         (get_new_name_from_old_name): New.
5009         (graphite_rename_variables_in_stmt): Renamed
5010         rename_variables_in_stmt.  Call get_new_name_from_old_name.
5011         Use replace_exp and update_stmt.
5012         (is_old_iv): Renamed is_iv.
5013         (expand_scalar_variables_stmt): Extra parameter for renaming map.
5014         Use replace_exp and update_stmt.
5015         (expand_scalar_variables_expr): Same.  Use the map to get the
5016         new names for the renaming of induction variables and for the
5017         renaming of variables after a basic block has been copied.
5018         (expand_scalar_variables): Same.
5019         (graphite_rename_variables): Renamed rename_variables.
5020         (move_phi_nodes): Removed.
5021         (get_false_edge_from_guard_bb): New.
5022         (build_iv_mapping): Do not insert the induction variable of a
5023         loop in the renaming iv map if the basic block does not belong
5024         to that loop.
5025         (register_old_new_names, graphite_copy_stmts_from_block,
5026         copy_bb_and_scalar_dependences): New.
5027         (translate_clast): Heavily reimplemented: copy basic blocks,
5028         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
5029         At each translation step call graphite_verify ensuring the
5030         consistency of the SSA, loops and dominators information.
5031         (collect_virtual_phis, find_vdef_for_var_in_bb,
5032         find_vdef_for_var_1, find_vdef_for_var,
5033         patch_phis_for_virtual_defs): Removed huge hack.
5034         (mark_old_loops, remove_dead_loops, skip_phi_defs,
5035         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
5036         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
5037         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
5038         if_region_get_condition_block, if_region_set_false_region,
5039         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
5040         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
5041         sese_add_exit_phis_edge, sese_add_exit_phis_var,
5042         rewrite_into_sese_closed_ssa): New.
5043         (gloog): Remove dead code.  Early return if code cannot be
5044         generated.  Call cleanup_tree_cfg once the scop has been code
5045         generated.
5046         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
5047         block loops with less than two loops.
5048         (graphite_apply_transformations): Remove the call to
5049         scop_remove_ignoreable_gbbs.
5050         (limit_scops): When build_scop_loop_nests fails, continue on
5051         the next scop.  Fix open_scop.entry.
5052         (graphite_transform_loops): Call recompute_all_dominators: force the
5053         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
5054         Call initialize_original_copy_tables and free_original_copy_tables
5055         to be able to copy basic blocks during code generation.
5056         When build_scop_loop_nests fails, continue on next scop.
5057         (value_clast): New union.
5058         (clast_to_gcc_expression): Fix type cast warning.
5059
5060 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
5061
5062         * Merge from mainline (r140838:141727).
5063
5064 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5065
5066         PR middle-end/37833
5067
5068         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
5069
5070 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5071
5072         PR middle-end/37943
5073
5074         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
5075         exits and conditions.
5076         * gcc.dg/graphite/pr37943.c: New.
5077
5078 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
5079
5080         PR middle-end/37886
5081         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
5082
5083 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
5084
5085         * doc/invoke.texi: Fix spaces.
5086
5087 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
5088
5089         PR tree-optimization/37891
5090         Reverted last commit.
5091         * graphite.c (create_single_entry_edge): Set
5092         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
5093
5094 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
5095             Mitul Thakkar  <mitul.thakkar@amd.com>
5096
5097         * graphite.c (create_single_entry_edge): Set
5098         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
5099
5100 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5101
5102         * doc/invoke.texi: Add -fgraphite-identity.
5103         * graphite.c (graphite_apply_transformations): Check for
5104         -fgraphite-identity.
5105         * toplev.c (process_options): Add flag_graphite_identity.
5106         * tree-ssa-loop.c: Add flag_graphite_identity.
5107
5108 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
5109
5110         Undo changes from 2008-10-02:
5111         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
5112         operand type when copying the operand to a variable of different type.
5113         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
5114         with the IV name after increment.
5115
5116 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
5117             Harsha Jagasia  <harsha.jagasia@amd.com>
5118
5119         PR tree-optimization/37828
5120         * gcc.dg/graphite/pr37828.c: New.
5121         * graphite.c (graphite_trans_loop_block): Do not loop block
5122         single nested loops.
5123
5124 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
5125             Sebastian Pop  <sebastian.pop@amd.com>
5126
5127         * graphite.c (struct rename_map_elt, new_rename_map_elt,
5128         rename_map_elt_info, eq_rename_map_elts): New.
5129         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
5130         (expand_scalar_variables_expr): Change parameters.
5131         (expand_scalar_variables_stmt): Same.
5132         (expand_scalar_variables): Same.
5133         (graphite_rename_ivs): Rename graphite_rename_variables.
5134         (build_iv_mapping): New.
5135         (translate_clast): Call build_iv_mapping.
5136         * graphite.h (gbb_p): New name.
5137
5138 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
5139
5140         PR tree-optimization/37684
5141         * gcc.dg/graphite/pr37684.c: New.
5142         * graphite.c (exclude_component_ref): New.
5143         (is_simple_operand): Call exclude_component_ref.
5144
5145 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
5146             Harsha Jagasia  <harsha.jagasia@amd.com>
5147
5148         PR tree-optimization/37485
5149         * gcc.dg/graphite/block-2.c: New
5150         * graphite.c (gmp_cst_to_tree): Moved.
5151         (iv_stack_entry_is_constant): New.
5152         (iv_stack_entry_is_iv): New.
5153         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
5154         (loop_iv_stack_insert_constant): New.
5155         (loop_iv_stack_pop): Use new datatpype.
5156         (loop_iv_stack_get_iv): Same.
5157         (loop_iv_stack_get_iv_from_name): Same.
5158         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
5159         (loop_iv_stack_patch_for_consts): New.
5160         (loop_iv_stack_remove_constants): New.
5161         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
5162         (translate_clast): Call loop_iv_stack_patch_for_consts and
5163         loop_iv_stack_remove_constants.
5164         (gloog): Use new datatype.  Redirect construction edge to end
5165         block to avoid accidental deletion.
5166         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
5167         iv stack entry.
5168         (union iv_stack_entry_data): New.  Data in iv stack entry.
5169         (struct iv_stack_entry): New.  Datatype for iv stack entries.
5170
5171 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5172
5173         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
5174         operand type when copying the operand to a variable of different type.
5175
5176 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5177
5178         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
5179         with the IV name after increment.
5180
5181 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5182
5183         * Merge from mainline (r140164:140838).
5184
5185 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5186
5187         * graphite-data-ref.c: New.
5188         * graphite.c (print_scop): Also dump the dependence graph.
5189         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
5190         (new_scop): Initialize SCOP_DEP_GRAPH.
5191         (build_scop_dynamic_schedules): New.
5192         (build_access_matrix_with_af): Fixed column numbering.
5193         (graphite_transform_loops): Call build_scop_dynamic_schedules.
5194         * graphite.h: Add ifndef/define guards against multiple inclusion.
5195         (struct scop): Add dep_graph field.
5196         (SCOP_DEP_GRAPH): Defined.
5197         (ref_nb_loops): Fixed and moved to other position.
5198         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
5199         (nb_loops_around_loop_in_scop): New.
5200         (graphite_dump_dependence_graph): Declared.
5201         (graphite_build_rdg_all_levels): Declared.
5202         (graphite_test_dependence): Declared.
5203         * Makefile.in (graphite-data-ref.o): New target.
5204
5205 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
5206
5207         * Merge from mainline (139870:140164).
5208
5209 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5210
5211         * Merge from mainline (138275:139870).
5212         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
5213         the commits from trunk broke the niter detection.
5214
5215 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5216
5217         * graphite.c: Add more documentation.  Fix formatting.
5218         (debug_loop_vec, debug_oldivs, loop_iv_stack,
5219         loop_iv_stack_debug): Moved...
5220         (schedule_to_scattering): Move before use.
5221         (dot_all_scops): Include in "#if 0" the code for system
5222         call dotty.
5223
5224         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
5225         loop_iv_stack_debug): ...here.
5226
5227 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
5228
5229         * tree-phinodes.c (make_phi_node): Extern.
5230         (add_phi_node_to_bb): New.
5231         (create_phi_node): Call add_phi_node_to_bb.
5232         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
5233         (remove_statement): Handle case where stored phi was updated
5234         and is no longer the same.
5235         * graphite.c (is_parameter): New.
5236         (is_old_iv): New.
5237         (expand_scalar_variables_expr): New.
5238         (expand_scalar_variables_stmt): New.
5239         (expand_scalar_variables): New.
5240         (move_phi_nodes): Create new phi instead of moving old one.
5241         (translate_clast): Call expand_scalar_variables.
5242         (find_vdef_for_var_in_bb): Also scan regular definitions.
5243         (skip_phi_defs): New.
5244         (collect_scop_exit_phi_args): New.
5245         (patch_scop_exit_phi_args): New.
5246         (gloog): Patch phis after scop.
5247         * tree-flow.h: (add_phi_node_to_bb): Declared.
5248         (make_phi_node): Declared.
5249
5250 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5251
5252         * graphite.c (end_scop): Split the entry of the scop when it
5253         is the header of the loop in which the scop is ending.
5254         (build_scops_1, limit_scops): Update uses of end_scop.
5255
5256 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5257
5258         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
5259         SCOP_ENTRY or SCOP_EXIT.
5260
5261 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5262
5263         * graphite.c (get_construction_edge): Removed.
5264         (gloog): Construction edge is the scop entry edge.
5265
5266 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5267
5268         * graphite.c (can_generate_for_scop): Removed.
5269         (gloog): Do not call it.
5270
5271 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5272
5273         * graphite.c (new_scop): Entry of a scop is an edge.
5274         Initialize SESE region.
5275         (free_scop): Free SESE region.
5276         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
5277         (split_difficult_bb): New, split from end_scop.
5278         (end_scop): Exit of a scop is an edge.
5279         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
5280         not automatically updated and thus is always wrong.
5281         * graphite.h (struct sese): New.
5282         (SESE_ENTRY): New.
5283         (SESE_EXIT): New.
5284         (struct scop): New field for a SESE region.  Remove entry, exit.
5285         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
5286         semantics as before.  Moved comment around.
5287
5288 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5289             Sebastian Pop  <sebastian.pop@amd.com>
5290
5291         * graphite.c (graphite_transform_loops): Always enable gloog
5292         and find_transform when ENABLE_CHECKING.
5293
5294 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5295
5296         * graphite.c (graphite_transform_loops): Move pretty printer
5297         of SCOPs before doing any transform.  Remove call to print_scops
5298         and dot_all_scops_1.
5299
5300 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5301
5302         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
5303         (print_graphite_bb): Same.
5304
5305 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5306
5307         * graphite.c (dot_all_scops_1): Cleanup.
5308         (move_scops): Fix comment.
5309
5310 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5311
5312         * graphite.c (build_scop_bbs): Revert commit 139355:
5313
5314         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5315                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5316
5317                 * graphite.c (build_scop_bbs): Factor up code.
5318
5319 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5320
5321         * graphite.c (gloog): Update dominator info.
5322
5323 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5324
5325         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
5326
5327 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5328
5329         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
5330         initialization.
5331         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
5332         (translate_clast): Correct formatting.
5333         * graphite.h (struct num_map): Removed.
5334         (struct graphite_bb): Remove num_map field.
5335         (GBB_INDEX_TO_NUM_MAP): Removed.
5336
5337 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5338
5339         * graphite.c (build_access_matrix_with_af): Fix comments.
5340         (build_scop_data_accesses): Same.
5341
5342 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5343
5344         * graphite.c (build_scop_data_accesses): Don't construct
5345         access matrices.  Add a FIXME and an assert condition that
5346         should pass when the access matrices will be needed.
5347
5348 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5349
5350         * tree-data-ref.c (stmt_simple_memref_p): Don't call
5351         really_constant_p.
5352         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
5353         Moved close by free_graphite_bb.
5354         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
5355         (new_scop): Move close by free_scop.
5356         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
5357
5358 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
5359
5360         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
5361         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
5362         instead of recursive call.
5363         (graphite_translate_clast_equation): New.
5364         (graphite_create_guard_cond_expr): New.
5365         (graphite_create_new_guard): New.
5366         (get_stack_index_from_iv): Removed.
5367         (graphite_rename_ivs_stmt): Use gbb_loop_index.
5368         (get_true_edge_from_guard_bb): New.
5369         (translate_clast): Handle stmt_guard in clast.
5370         (get_construction_edge): Allow construction edge detection for
5371         a scope entry with multiple predecessors if one predecessor is
5372         the immediate dominator of scope entry.
5373         (can_generate_code_stmt): Enable code generation for clast_guard.
5374         (gloog): Use correct context loop.  Removed check for post dominators.
5375         * cfgloop.h (create_empty_if_region_on_edge): Declared.
5376
5377 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5378
5379         * graphite.c (remove_dead_loops): Document better which
5380         loops are removed.
5381
5382 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5383
5384         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
5385         and PPLINC.
5386         (graphite.o): Also depends on pointer-set.h.
5387
5388 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5389
5390         * graphite.c (scop_record_loop): Fix compile warning.
5391
5392 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
5393             Sebastian Pop  <sebastian.pop@amd.com>
5394
5395         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
5396
5397 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5398
5399         * graphite.c (build_graphite_bb): Initialize bb->aux to
5400         point to the graphite_bb_p.
5401         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
5402         content of bb->aux.
5403         (add_bb_domains): Does not use the scop parameter.
5404         (graphite_transform_loops): Clean bb->aux at the end.
5405
5406 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5407             Sebastian Pop  <sebastian.pop@amd.com>
5408
5409         * lib/target-supports.exp
5410         (check_effective_target_fgraphite): New.
5411
5412         * gcc.dg/graphite/graphite.exp: Early exit when
5413         check_effective_target_fgraphite returns false.
5414         Set dg-do-what-default to compile.
5415         (scan-graphite-dump-times): Removed.
5416         * gfortran.dg/graphite/graphite.exp: Same.
5417
5418         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
5419         Use scan-tree-dump-times instead of scan-graphite-dump-times.
5420         * gcc.dg/graphite/scop-1.c: Same.
5421         * gcc.dg/graphite/scop-2.c: Same.
5422         * gcc.dg/graphite/scop-3.c: Same.
5423         * gcc.dg/graphite/scop-4.c: Same.
5424         * gcc.dg/graphite/scop-5.c: Same.
5425         * gcc.dg/graphite/scop-6.c: Same.
5426         * gcc.dg/graphite/scop-7.c: Same.
5427         * gcc.dg/graphite/scop-8.c: Same.
5428         * gcc.dg/graphite/scop-9.c: Same.
5429         * gcc.dg/graphite/scop-10.c: Same.
5430         * gcc.dg/graphite/scop-11.c: Same.
5431         * gcc.dg/graphite/scop-12.c: Same.
5432         * gcc.dg/graphite/scop-13.c: Same.
5433         * gcc.dg/graphite/scop-matmult.c: Same.
5434         * gcc.dg/graphite/scop-14.c: Same.
5435         * gcc.dg/graphite/scop-15.c: Same.
5436         * gcc.dg/graphite/block-0.c: Same.
5437         * gcc.dg/graphite/scop-16.c: Same.
5438         * gcc.dg/graphite/block-1.c: Same.
5439         * gcc.dg/graphite/scop-17.c: Same.
5440         * gcc.dg/graphite/scop-18.c: Same.
5441         * gfortran.dg/graphite/block-1.f90: Same.
5442         * gfortran.dg/graphite/scop-1.f: Same.
5443         * gfortran.dg/graphite/block-2.f: Same.
5444
5445 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5446
5447         * graphite.c: Fix some XXX comments.
5448         (build_scop_dynamic_schedules): Removed.
5449
5450 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5451
5452         * graphite.h (scop_max_loop_depth): Moved...
5453         * graphite.c (scop_max_loop_depth): ...here.
5454         (remove_all_edges_1): New.
5455         (remove_all_edges): Factored code.
5456         (remove_cond_exprs): Check only the last statement for
5457         a GIMPLE_COND expression.
5458
5459 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5460
5461         * graphite.c (scan_tree_for_params): Early return when the
5462         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
5463         (find_scop_parameters): Factor out code.
5464         (graphite_trans_bb_strip_mine): Remove dead code.
5465
5466 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5467
5468         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
5469         graphite_trans_bb_move_loop): Factor asserts.
5470         (gloog): Perform sanity checks only for ENABLE_CHECKING.
5471         Do not call calculate_dominance_info and estimate_bb_frequencies.
5472
5473 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
5474
5475         * graphite.c (create_loops_mapping, free_loops_mapping,
5476         create_loops_mapping_num, debug_loop_mapping_1,
5477         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
5478         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
5479         graphite_loops_mapping_add_child_num,
5480         graphite_loops_mapping_insert_child,
5481         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
5482         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
5483         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
5484         create_num_from_index, get_num_from_index,
5485         swap_loop_mapped_depth): Removed.
5486         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
5487         (free_scop): Do not call free_loops_mapping.
5488         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
5489         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
5490         get_loop_mapped_depth.
5491         (graphite_trans_bb_move_loop): Do not update the loop mapping.
5492         (graphite_trans_bb_strip_mine): Same.
5493         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
5494         (struct scop): Remove field loops_mapping.
5495
5496 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5497             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5498
5499         * graphite.c (scop_record_loop): Factor out one level of the
5500         condition by early return.
5501         (build_scop_loop_nests): Format following FSF coding style.
5502         (build_scop_dynamic_schedules): Factor out code.
5503         (scopdet_bb_info): Reindent.  Default case should not be reachable.
5504
5505 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5506             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5507
5508         * graphite.c (loop_affine_expr): Check for DECL_P or struct
5509         assignments that are not handled as simple operands for now.
5510
5511 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5512             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5513
5514         * graphite.c (build_scop_bbs): Factor up code.
5515
5516 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5517             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5518
5519         * graphite.c (stmt_simple_for_scop_p): Factor code out
5520         of the loop.
5521         (enum gbb_type): New.  Group all the GBB_* types under it.
5522         (is_loop_exit): Moved...
5523         (end_scop): Enable BB spliting.
5524         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
5525         * cfgloop.h (is_loop_exit): Declared.
5526
5527 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5528
5529         * doc/invoke.texi: Remove strides from examples containing
5530         DO loops when the strides are equal to 1.
5531
5532 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
5533             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5534
5535         * graphite.c (graphite_trans_scop_block): Or the result with
5536         the result from graphite_trans_loop_block.
5537         * gcc.dg/graphite/block-1.c: New.
5538         * gfortran.dg/graphite/block-1.f90: New.
5539         * gfortran.dg/graphite/block-2.f: New.
5540
5541 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5542
5543         * graphite.c (graphite_transform_loops): Call cloog_initialize
5544         and cloog_finalize.
5545
5546 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5547
5548         * tree-data-ref.c) (stmt_simple_memref_p): New.
5549         * tree-data-ref.h (stmt_simple_memref_p): Declared.
5550         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
5551         (is_simple_operand): Call stmt_simple_memref_p.
5552
5553         * gcc.dg/graphite/scop-matmult.c: Updated for not
5554         using pointer arithmetic, as this is optimized by PRE and
5555         makes the code too difficult to analyze.
5556
5557         * gcc.dg/graphite/scop-18.c: Same.
5558
5559 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5560
5561         * gdbinit.in (pgg): New.
5562
5563 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5564
5565         * graphite.c (graphite_trans_loop_block): Fix warning.
5566
5567 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5568
5569         * graphite.c (graphite_trans_loop_block): Fix my merge error.
5570
5571 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5572
5573         * graphite.c (graphite_trans_bb_block): Remove check for
5574         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
5575         Check if loop blocking is profitable for every loop, before applying
5576         the changes.
5577         (graphite_apply_transformations): Call graphite_trans_bb_block only,
5578         if flag_loop_block is set.
5579
5580 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5581
5582         * graphite.c: Add some more documentation for the loop
5583         mapping.
5584
5585 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5586
5587         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
5588         * graphite.c: Format on less than 80 columns.
5589         * graphite.h: Same.
5590
5591 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5592
5593         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
5594
5595 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5596
5597         * doc/invoke.texi (floop-block, floop-strip-mine,
5598         floop-interchange): Update documentation with examples.
5599
5600 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5601
5602         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
5603         add_referenced_var.
5604         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
5605
5606 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5607
5608         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
5609         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
5610         * tree-scalar-evolution.c: Revert useless changes.
5611         * tree-phinodes.c: Same.
5612         * cfghooks.c: Same.
5613         * vec.h: Same.
5614         * tree-vectorizer.h: Same.
5615         * tree-flow.h: Same.
5616         * tree-cfg.c: Same.
5617         * common.opt (fgraphite): Update documentation.
5618
5619 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
5620
5621         * doc/invoke.texi (-floop-block, -floop-strip-mine,
5622         -floop-interchange): Add more text for explaining what each of these
5623         flags is doing.
5624         * tree-into-ssa.c (gimple_vec): Moved to...
5625         * graphite.c: Include gimple.h.
5626         (gimple_vec): Moved to...
5627         (del_loop_to_cloog_loop): Removed.
5628         (loop_affine_expr): Do not call create_data_ref when the
5629         operand is a constant.
5630         (new_scop): Use free instead of del_loop_to_cloog_loop.
5631         * Makefile.in (graphite.o): Depend on GIMPLE_H.
5632         * gimple.h (gimple_vec): ... here.
5633
5634 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5635
5636         * graphite.c (scopdet_bb_info): Only allow loops with known number of
5637         latch executions.
5638         (build_loop_iteration_domains): Fail, if latch executions unknown.
5639
5640 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5641
5642         * graphite.c (add_conditions_to_domain): New.
5643         (build_scop_conditions_1): Call add_conditions_to_domain.
5644         (set_cloog_options): Allow to disable optimizations.
5645
5646 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5647
5648         * graphite.c (find_params_in_bb): Look for parameters in conditions.
5649         Do not use walk_dominator_tree.
5650         (find_scop_parameters): Do not use walk_dominator_tree.
5651
5652 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5653
5654         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
5655         (idx_record_params): Adapt.
5656         * graphite.h (scop_gimple_loop_depth): New.
5657
5658 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5659
5660         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
5661         (scan_tree_for_params): Remove value_init.
5662         (build_scop_context): Remove value_init.
5663         (build_loop_iteration_domains): Remove value_init.
5664         (schedule_to_scattering): Remove value_init.
5665         (graphite_trans_bb_strip_mine): Remove value_init.
5666
5667 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5668
5669         * gcc/graphite.c (limit_scops): New.
5670         (graphite_transform_loops): Add limit SCoPs.
5671         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
5672         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
5673         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
5674         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
5675         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
5676         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
5677         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
5678         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
5679         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
5680         Change loop numbers.
5681         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
5682         Change loop numbers.
5683         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
5684         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
5685         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
5686         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
5687         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
5688         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
5689         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
5690         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
5691         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
5692         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
5693
5694 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5695
5696         * graphite.c (graphite_transform_loops): Call always find_transform.
5697
5698 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5699
5700         * graphite.c (free_loops_mapping): New.
5701         (stmt_simple_for_scop_p): Fix typo.
5702         (stmt_simple_for_scop_p): Fix tuples functions, that
5703         broke polyhedron.
5704         (free_graphite_bb): Fix some memleaks.
5705         (free_scop): Fix some memleaks.
5706         (scopdet_bb_info): Do not forget some tmp SCoPs.
5707         (find_params_in_bb): Fix some memleaks.
5708         (clast_to_gcc_expression): Fix warning.
5709
5710 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5711
5712         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
5713         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
5714
5715 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5716
5717         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
5718         Move code ifdef-ed HAVE_cloog...
5719         * graphite.c: Include toplev.h.
5720         ... here.
5721         * Makefile.in (OBJS-common): Always build graphite.o.
5722         (BACKEND): Remove @GRAPHITE@.
5723         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
5724         (graphite.o): Depend on TOPLEV_H.
5725
5726 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5727
5728         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
5729         Remove typo left from polylib to ppl conversion.
5730         * graphite.c (graphite_transforms): Use sorry instead of fatal.
5731
5732 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5733
5734         * toplev.c (process_options): Move the graphite loop optimization
5735         flags...
5736         * tree-ssa-loop.c (graphite_transforms): ... here.
5737         When not configured with CLooG, print to dump_file that
5738         Graphite transforms were not performed.
5739         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
5740         New.
5741         * gcc.dg/graphite/*.c: Updated all testcases to use
5742         scan-graphite-dump-times.
5743
5744 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5745
5746         * graphite.c (dot_scop, dot_all_scops): Do not call system.
5747         Do not open /tmp/scop.dot and /tmp/allscops.dot.
5748
5749 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
5750             Jan Sjodin  <jan.sjodin@amd.com>
5751
5752         * configure: Regenerated.
5753         * omp-low.c (expand_omp_sections): Remove now unused code.
5754         * config.in (HAVE_polylib): Removed.
5755         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
5756         (PPLLIBS, PPLINC): Added.
5757         * graphite.c: Replace unsigned with int wherever possible.
5758         Don't access Cloog's data structures, but use accessor functions.
5759         Clast's stmt->type is now implemented as a vtable: change the
5760         switches of stmt->type into ifs.
5761         (polylib/polylibgmp.h): Don't include.
5762         (initialize_dependence_polyhedron,
5763         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5764         statement_precedes_p, test_dependence, build_rdg_all_levels,
5765         dump_dependence_graph): Removed until this code is cleaned up
5766         or ported to Cloog.
5767         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
5768         (POLYLIBINC): Renamed PPLINC.
5769
5770 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
5771             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5772             Jan Sjodin  <jan.sjodin@amd.com>
5773
5774         Finish the merge and tuplification of graphite.
5775
5776 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5777             Jan Sjodin  <jan.sjodin@amd.com>
5778
5779         Partial merge from mainline (138072:138275).
5780         * graphite.c still has to be tuplified.
5781
5782 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
5783
5784         * graphite.c (graphite_loops_mapping_max_loop_num): New.
5785         (create_num_from_index): New.
5786         (get_num_from_index): Also pass in the graphite BB.
5787         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
5788         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
5789         (graphite_trans_bb_strip_mine): Call create_num_from_index.
5790         (is_interchange_valid): Return false when failing.
5791         * graphite.h (struct num_map): New.
5792         (struct graphite_bb): New field num_map.
5793         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
5794
5795 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5796
5797         * graphite.c (dump_gbb_conditions): Print also conditions like
5798         "if (a)".  Remove dublicated code and use print_generic_expr ().
5799         (stmt_simple_for_scop_p): Only allow conditions we can handle
5800         {<, <=, >, >=}.
5801
5802 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5803
5804         * graphite.h (struct scop): Removed new_ivs field.
5805         (SCOP_NEWIVS): Deleted.
5806         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
5807         clast_to_gcc_expression, graphite_create_new_loop):
5808         Removed use of new_ivs.
5809
5810 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5811
5812         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
5813         create_loops_mapping_num, debug_loop_mapping_1): New.
5814         (debug_loop_mapping): Call debug_loop_mapping_1.
5815         (get_loop_mapping_for_num,
5816         graphite_loops_mapping_add_child,
5817         graphite_loops_mapping_add_child_num,
5818         graphite_loops_mapping_insert_child,
5819         graphite_loops_mapping_parent,
5820         split_loop_mapped_depth_for_num,
5821         loop_mapped_depth_split_loop): New.
5822         (increment_loop_mapped_depths): Removed.
5823         (swap_loop_mapped_depth_for_num): Reimplemented.
5824         (new_scop): Call create_loops_mapping.
5825         (scop_record_loop): Call graphite_loops_mapping_insert_child.
5826         (translate_clast): Pass the old loop father in parameter, and pass
5827         it to get_old_iv_from_ssa_name.
5828         (remove_edges_around_useless_blocks, can_generate_code_stmt,
5829         can_generate_code, can_generate_for_scop): New.
5830         (graphite_trans_bb_block): Returns false when it fails to transform.
5831         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
5832
5833 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5834
5835         Reverted all the changes related to the streamization and
5836         loop fusion.
5837         These changes are now tracked in the streamization branch.
5838
5839 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5840             Jan Sjodin  <jan.sjodin@amd.com>
5841
5842         * graphite.c (gbb_compare): Correctly constify.
5843         (gbb_can_be_ignored): Indent.
5844         (graphite_trans_scop_swap_1and2): Add legality check.
5845         Remove dead FIXMEs.
5846
5847 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5848
5849         Remove fallouts from "Reverted the Condate changes".
5850         * tree.h: Remove unused decl.
5851         * gcc.dg/tree-checker: Same.
5852         * timevar.def: Remove counter.
5853
5854 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5855
5856         * Merge from mainline (135673:138072).
5857
5858         Reverted the MIRO changes (from 2008-04-05) that are now
5859         tracked in the miro branch.
5860         * tree-bounds.c: Removed.
5861         * tree-bounds.h: Removed.
5862
5863         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
5864         are now tracked in the condate branch.
5865         * tree-check.c: Removed.
5866         * tree-match.c: Removed.
5867         * condate.y: Removed.
5868
5869 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5870
5871         * common.opt: New user flag -floop-block, -floop-strip-mine
5872         and -floop-interchange.
5873         * toplev.c (process_options): Enable -fgraphite pass if any one of the
5874         graphite loop optimization flags is turned on.
5875         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
5876         flag_loop_strip_mine and flag_loop_interchange checks before
5877         optimizations.
5878         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
5879         -floop-strip-mine and -floop-interchange.
5880         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
5881         -fgraphite.
5882         * gcc.dg/graphite/scop-16.c: Ditto.
5883         * gcc.dg/graphite/scop-17.c: Ditto.
5884         * gcc.dg/graphite/scop-18.c: Ditto.
5885
5886 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
5887             Sebastian Pop  <sebastian.pop@amd.com>
5888
5889         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
5890         (create_empty_loop_on_edge): More fixes.
5891         * tree-phinodes.c (resize_phi_node): Extern.
5892         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
5893         * cfghooks.c (update_dominator_information): New split from
5894         split_edge.
5895         * tree-vectorizer.c (rename_variables_in_bb): Extern.
5896         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
5897         successor of the function entry block.
5898
5899         * graphite.c: Include pointer-set.h.
5900         (debug_loop_mapping, increment_loop_mapped_depths,
5901         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
5902         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
5903         swap_loop_mapped_depth_for_num, get_num_from_index,
5904         swap_loop_mapped_depth, loop_iv_stack_debug,
5905         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
5906         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
5907         get_old_iv_from_ssa_name): New.
5908         (new_scop): Initialize SCOP_LOOPS_MAPPING.
5909         (free_scop): Free SCOP_LOOPS_MAPPING.
5910         (scop_record_loop): Record old ivs.
5911         (create_var_name): Removed.
5912         (initialize_cloog_names): Allocate double space in case strip mine
5913         applies to all loops once.
5914         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
5915         (clast_to_gcc_expression): Same.  Implement more clast to gimple
5916         translation.
5917         (graphite_create_new_loop): Pass in ivstack.
5918         (remove_all_edges): Pass in the construction_edge.
5919         (graphite_remove_iv): Removed.
5920         (graphite_rename_ivs, graphite_rename_ivs_stmt,
5921         remove_cond_exprs): Rewritten.
5922         (move_phi_nodes): New.
5923         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
5924         (translate_clast): Pass in ivstack.  Rewrite some cases.
5925         (set_cloog_options, debug_clast_stmt): New.
5926         (find_transform): Use set_cloog_options.
5927         (outermost_loop_layer): Removed.
5928         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
5929         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
5930         mark_old_loops, remove_dead_loops): New.
5931         (gloog): Rewritten.
5932         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
5933         (const_column_index, get_first_matching_sign_row_index,
5934         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
5935         get_upper_bound): New.
5936         (graphite_trans_bb_strip_mine): Also update the iv map.
5937
5938         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
5939         (struct name_tree): Add a loop field.
5940         (struct scop): Add a graphite_loops_mapping field.
5941         (SCOP_LOOPS_MAPPING): New.
5942         (debug_clast_stmt): Declare.
5943         * lambda.h (find_induction_var_from_exit_cond): Declare.
5944         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
5945         * cfgloop.h (update_dominators_in_loop): Removed declaration.
5946         (create_empty_loop_on_edge): Updated.
5947         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
5948         rename_variables_in_bb): Declare.
5949         * tree-cfg.c (remove_bb): Extern.
5950
5951         * gcc.dg/graphite/block-0.c: New.
5952
5953 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5954             Sebastian Pop  <sebastian.pop@amd.com>
5955
5956         * graphite.c (strip_mine_profitable_p): New.
5957         (graphite_trans_bb_block): Disable strip mining if not profitable.
5958
5959         * gcc.dg/graphite/scop-18.c: New.
5960         * gcc.dg/graphite/scop-17.c: Fixed.
5961         * gcc.dg/graphite/scop-16.c: Fixed.
5962
5963 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
5964             Jan Sjodin  <jan.sjodin@amd.com>
5965             Sebastian Pop  <sebastian.pop@amd.com>
5966
5967         * graphite.c (is_interchange_valid): New.
5968         (graphite_trans_bb_block): Check loop nest of basic block for legality
5969         of interchange.
5970
5971         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
5972         outer_most_loop, gbb_outer_most_loop_index): New.
5973
5974         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
5975         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
5976         * gcc.dg/graphite/scop-16.c: New.
5977         * gcc.dg/graphite/scop-17.c: New.
5978
5979 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5980
5981         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
5982         (graphite_trans_scop_block): Ignore SCoPs without bbs.
5983
5984 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5985
5986         * graphite.c (new_scop): Initialize SCOP_EXIT.
5987         (scopdet_info): Add.
5988         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
5989         (build_scops_1): Cleanup, bugfixes.
5990         (build_scops): Cleanup.
5991
5992         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
5993         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
5994
5995 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5996
5997         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
5998
5999         * gfortran.dg/graphite/graphite.exp: Use
6000         DEFAULT_GRAPHITE_FLAGS.
6001
6002         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
6003
6004 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
6005
6006         * graphite.c (scan_tree_for_params): Do not assert any more if
6007         MULT_EXPR parameter is negative.
6008
6009         * gfortran.dg/graphite/scop-1.f: New.
6010
6011         * gfortran.dg/graphite/graphite.exp: New.
6012
6013         * gcc.dg/graphite/scop-15.c: New.
6014
6015 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
6016
6017         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
6018
6019 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6020
6021         * graphite.c (graphite_trans_bb_swap_loops): Rename from
6022         graphite_swap_loops.
6023         (graphite_trans_bb_move_loop): New.
6024         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
6025         (graphite_trans_bb_block): New.
6026         (graphite_trans_loop_block): New.
6027         (graphite_trans_scop_swap_1and2): Rename from
6028         graphite_trans_swap_1and2.
6029         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
6030         (graphite_trans_scop_block): New.
6031         (graphite_apply_transformations): Rename from
6032         graphite_transformations.
6033
6034         * gcc.dg/graphite/scop-matmult.c: New.
6035
6036 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6037
6038         * graphite.c (gbb_compare): New.
6039         (graphite_sort_gbbs): New.
6040         (gbb_can_be_ignored): New.
6041         (scop_remove_ignoreable_gbbs): New.
6042         (graphite_transformations): Cleanup and add
6043         scop_remove_ignoreable_gbbs.
6044         * lambda.h (lambda_vector_compare): New.
6045
6046 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6047
6048         * graphite.c (print_graphite_bb): Correct printing of static schedule.
6049         (graphite_swap_loops): int -> unsigned
6050         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
6051         (graphite_transformations): New.
6052         (graphite_transform_loops): Move to graphite_transformations.
6053         * graphite.h (gbb_nb_loops): Return unsigned.
6054
6055 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6056
6057         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
6058         the domain matrix.  This makes scop-0.c work again.
6059
6060 2008-06-20  Richard Guenther  <rguenther@suse.de>
6061
6062         * graphite.h: Adjust copyright to GPLv3.
6063         * graphite.c: Likewise.
6064         (stmt_simple_memref_for_scop_p): Split out from ...
6065         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
6066         and simplify.
6067         (get_bb_type): Optimize.
6068         (is_pred): Remove.
6069         (is_bb_addable): Fix memleak, replace is_pred call with
6070         single_pred.
6071         (build_scops): Use current_loops.
6072         (param_index): Fix memleak.
6073
6074 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6075
6076         * graphite.c: Fix formatting.
6077
6078 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6079
6080         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
6081         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
6082         (create_var_name, save_var_name): Newly defined functions.
6083         (initialize_cloog_names): Part of the code factored out to
6084         save_var_name.
6085         (clast_to_gcc_expression): Now handles the case of clast_red_sum
6086         in clast_reduction statement.
6087         (graphite_create_new_loop): Now takes a new parameter
6088         for outer_loop.
6089         (translate_clast): Now also takes the context_loop and bb_exit
6090         parameters. Rewritten the code so that it creates a gimple code
6091         inside the given context.
6092         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
6093         remove_cond_expr, disconnect_cond_expr,
6094         disconnect_virtual_phi_nodes): Newly defined functions.
6095         * graphite.h (struct scop): added old_ivs vector.
6096         SCOP_OLDIVS: New macro.
6097
6098 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
6099
6100         * cfgloopmanip.c: Add missing function comments, fix formatting.
6101
6102 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6103
6104         * cfgloopmanip.c (update_dominators_in_loop): Defined.
6105         (create_empty_loop_on_edge): Defined.
6106         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
6107         instead of void.
6108         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
6109         (update_dominators_in_loop): Declared as extern
6110         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
6111
6112 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6113
6114         * graphite.c (print_graphite_bb): Allow changing number of loops
6115         in SCoP domain.
6116         (initialize_cloog_names): Allow changing number of loops.
6117         (build_cloog_prog): Simplify.
6118         (find_transform): Enable cloog option --strides.
6119         (graphite_swap_loops): New.
6120         (graphite_strip_mine_loop): New.
6121         (graphite_trans_swap_1and2): New.
6122         (graphite_trans_strip): New.
6123         (graphite_transform_loops): Add graphite_trans_strip.
6124         * graphite.h (scop_max_loop_depth): New.
6125
6126 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6127
6128         * graphite.c (build_scop_iteration_domain): Remove forgotten
6129         line. (Fixes compile)
6130
6131 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6132
6133         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
6134         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
6135         (build_bb_loops): New.
6136         (graphite_transform_loops): Add build_bb_loops.
6137         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
6138         numbers.
6139         * graphite.h (graphite_bb): Add loops.
6140         (gbb_nb_loops): New.
6141         (gbb_loop_at_index): New.
6142         (gbb_loop_index): New.
6143         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
6144         using nb_params_in_scop.
6145
6146 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
6147
6148         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
6149         (build_scop_canonical_schedules): Build minimized schedule.
6150         (schedule_to_scattering): Adapt to minimized schedule.
6151         * graphite.h (graphite_bb): Add/Update descriptions.
6152
6153 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
6154             Tobias Grosser  <grosser@fim.uni-passau.de>
6155
6156         * graphite.c (print_graphite_bb): Add condition printing.
6157         (dump_value): New.
6158         (dump_gbb_conditions): New.
6159         (build_scop_conditions_1): New.
6160         (build_scop_conditions): New.
6161         * graphite.h (graphite_bb): Add conditions.
6162
6163 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
6164
6165         * graphite.c (print_graphite_bb):
6166         (free_graphite_bb): New.
6167         (free_scop): Free bbs.
6168         (get_bb_type): Free doms.
6169         (build_scop_context): Free context matrix.
6170         (build_loop_iteration_domains): Remove unused code.
6171         (build_cloog_prog): Free scattering function and blocklist.
6172         (find_transform): Free options.
6173
6174 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
6175
6176         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
6177         Remove unnecessery cloog data structures. Make a copy of the domain
6178         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
6179         unnecessary cloog data structures. Fix memory leaks. Remove insert
6180         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
6181         used.
6182         (build_scop_iteration_domain): Remove unnecessary cloog
6183         data structures.  Fix memory leaks.
6184         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
6185         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
6186
6187 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6188
6189         * graphite.c (find_scop_params): Remove initialize_cloog_names.
6190
6191 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6192
6193         * graphite.c (end_scop): Style fix.
6194         (schedule_to_scattering): Style and comment fix.
6195
6196 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6197         * graphite.c (print_graphite_bb): Fix definiton of
6198         schedule_to_scattering.
6199         (initialize_cloog_names): Change nb_scattdims to max loop
6200         depth in SCoP.
6201         (schedule_to_scattering): Take parameter for number of scattering
6202         dimensions.
6203         (build_cloog_prog): Only build as much scattering dimensions as
6204         necessary.
6205
6206 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6207
6208         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
6209         in polyhedron/aermod.f90.
6210
6211 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6212             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
6213             Harsha Jagasia  <harsha.jagasia@amd.com>
6214
6215         * graphite.c (is_bb_addable): Fix segfault.
6216
6217 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6218
6219         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
6220         with multiple exits and conditional handling in edge cases.
6221         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
6222
6223         * gcc.dg/graphite/scop-14.c: New.
6224
6225 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6226             Adrien Eliche  <aeliche@isty.uvsq.fr>
6227
6228         * graphite.c (is_bb_addable): Add more comments and enhance
6229         readablity of the source code. Fix memory leak.
6230         (is_loop_exit): Fix memory leak.
6231
6232 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6233
6234         * graphite.c (first_loop_in_scop): Deleted.
6235         (setup_cloog_loop): Only walk the loop chain for inner loops.
6236         (build_scop_iteration_domain): Execute setup_cloog_loop for
6237         all loops in the first layer.
6238
6239 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6240
6241         * graphite.c (scan_tree_for_params): Change the way params are
6242         added to be indepenent of the number of loops.
6243         (setup_cloog_loop): Revert to short matrix format. Fix parameter
6244         handling.
6245         (build_cloog_prog): Revert to short matrix format.
6246
6247 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6248             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
6249
6250         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
6251         warning.
6252
6253 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6254
6255         * graphite.c (nb_data_refs_in_scop): New.
6256         (graphite_transform_loops): Print more stats: number of
6257         loops, basic blocks and data references per scop.
6258
6259 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6260             Jan Sjodin  <jan.sjodin@amd.com>
6261
6262         * graphite.c (loop_affine_expr, idx_record_params,
6263         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
6264         instead of instantiate_parameters.
6265
6266 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6267
6268         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
6269         add support for parameters, add STATIC_SCHEDULE at the right places,
6270         cleanup.
6271
6272 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6273
6274         * graphite.c (build_scop_loop_nests): Only add the loops, that
6275         are contained completely in the SCoP.
6276         (build_cloog_prog): Disable scattering, until schedule_to_scattering
6277         and the domains are fixed.
6278         (build_scop_canonical_schedules): Add support for bbs not contained
6279         in any SCoP.
6280
6281 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6282
6283         * graphite.h (scop_contains_loop): Update comments to match
6284         the actual behavior.
6285         (scop_contains_loop): New.
6286         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
6287
6288 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6289
6290         * graphite.c (get_bb_type): On function body, i.e. loop_0,
6291         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
6292         as GBB_COND_HEADER.
6293
6294 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6295             Tobias Grosser  <grosser@fim.uni-passau.de>
6296
6297         * graphite.c (graphite_transform_loops): Early return when
6298         there are no loops in the function.
6299
6300 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6301             Jan Sjodin  <jan.sjodin@amd.com>
6302
6303         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
6304         offset of the last loop.
6305         (setup_cloog_loop): Copy the entire outer constraint matrix.
6306
6307 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6308             Jan Sjodin  <jan.sjodin@amd.com>
6309
6310         * graphite.c (stmt_in_scop_p, function_parameter_p,
6311         invariant_in_scop_p): Removed.
6312         (scan_tree_for_params): Can be used with no constraint
6313         matrix for gathering parameters.
6314         (idx_record_params): Don't use idx_record_param, instead use
6315         scan_tree_for_params.
6316         (find_scop_parameters): Same.
6317         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
6318         Fix the size of loop domains.
6319         (schedule_to_scattering): Exit when the outer loop is not in scop.
6320         (find_transform): Enable build_cloog_prog.
6321
6322 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6323             Jan Sjodin  <jan.sjodin@amd.com>
6324
6325         * graphite.c (schedule_to_scattering): Make scattering domains
6326         uniformly of the same size, as required by CLooG 0.14.0 and before.
6327
6328 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6329             Jan Sjodin  <jan.sjodin@amd.com>
6330
6331         * graphite.c (schedule_to_scattering): Rewrite, correct the
6332         translation of the scheduling function to scattering.
6333         (build_cloog_prog): Call schedule_to_scattering only once.
6334         * graphite.h (scop_loop_index): Do not fail for loops not
6335         in the scop: return -1.
6336
6337 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
6338
6339         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
6340         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
6341         (setup_cloog_loop): Export GBB_DOMAIN.
6342         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
6343         able to rebuild the original control flow.
6344         * graphite.h (graphite_bb): Add domain field and access macro.
6345         (GBB_DOMAIN): New.
6346
6347 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6348
6349         * graphite.c (debug_gbb): New.
6350         (print_scop, build_graphite_bb): Use SCOP_BBS.
6351         (build_scop_bbs): Reimplemented.
6352         (dfs_bb_in_scop_p): Removed.
6353         (build_scop_loop_nests): Reorder loops inserted in
6354         SCOP_LOOP_NEST: outer loops should come first.
6355         (build_scop_canonical_schedules): Reinitialize at zero
6356         the components of the SCOP_STATIC_SCHEDULE for the loops
6357         that have already been parsed.
6358
6359         * graphite.h (debug_gbb): Declared.
6360
6361 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6362             Jan Sjodin  <jan.sjodin@amd.com>
6363
6364         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
6365         (graphite_loop_to_gcc_loop): Removed.
6366         (remove_all_edges): New.
6367         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
6368         (gloog): Remove useless code.
6369
6370 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6371
6372         * graphite.c (get_bb_type): Reworked. We distinguish between
6373         loops with one or multiple exits.
6374         (is_loop_exit): New.
6375         (is_pred): New.
6376         (is_bb_addable): Rework condition handling, now support for case
6377         case statements and loops with multiple exits.
6378
6379         * gcc.dg/graphite/scop-11.c: New.
6380         * gcc.dg/graphite/scop-12.c: New.
6381         * gcc.dg/graphite/scop-13.c: New.
6382
6383 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6384
6385         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
6386         we have too many colors.
6387
6388 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
6389
6390         * doc/invoke.texi (-ftree-loop-fusion): Document.
6391         * tree-pass.h (pass_loop_fusion): Declared.
6392         * tree-loop-fusion.c: New.
6393         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
6394         * tree-data-ref.c (find_data_references_in_loop): Make extern.
6395         * tree-data-ref.h (find_data_references_in_loop): Declared.
6396         * common.opt (ftree-loop-fusion): Declared.
6397         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
6398
6399 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
6400
6401         * graphite.c (build_access_matrix): Fix typo from the merge.
6402
6403 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
6404
6405         * Merge from mainline (130800:135673).
6406
6407 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6408
6409         * graphite.c (end_scop): The exit of the scop is not part of the scop.
6410         Update dominators after splitting.
6411
6412 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6413
6414         * graphite.c (is_bb_addable): Return the harmful statement.
6415         Factor up some code.
6416         (end_scop): New.  Splits end of scope bbs on a harmful statement.
6417         (build_scops_1): Call end_scop.
6418
6419 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6420
6421         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
6422         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
6423         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
6424         build_scops_1): Removed.
6425         (build_scops_2): Renamed build_scops_1.
6426
6427 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
6428
6429         * graphite.c: Fix formatting.
6430
6431 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6432
6433         * graphite.c (get_bb_type): New.
6434         (move_scops): New.
6435         (build_scops_2): New.
6436         (is_bb_addable): New.
6437         (build_scops): Switch the scop detection.
6438         (build_scop_bbs): Add entry bb to scop.
6439         * graphite.h (struct scop): Update comment.
6440
6441 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6442
6443         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
6444         more colors.
6445
6446 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6447
6448         * gcc.dg/graphite/scop-1.c: Update.
6449         * gcc.dg/graphite/scop-2.c: Update.
6450         * gcc.dg/graphite/scop-4.c: Update.
6451         * gcc.dg/graphite/scop-5.c: Add.
6452         * gcc.dg/graphite/scop-6.c: Add.
6453
6454 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
6455
6456         * gcc.dg/graphite/scop-0.c: Add.
6457         * gcc.dg/graphite/scop-7.c: Add.
6458         * gcc.dg/graphite/scop-8.c: Add.
6459         * gcc.dg/graphite/scop-9.c: Add.
6460         * gcc.dg/graphite/scop-10.c: Add.
6461
6462 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6463
6464         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
6465         Check affine expressions depending on the outermost loop
6466         instead of a scop.
6467         (stmt_simple_for_scop_p): Same.
6468         (harmfule_stmt_in_scop): Same.
6469
6470 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
6471
6472         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
6473         mark entry and exit, that are not part of the SCoP and update HTML
6474         formatting.
6475
6476 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
6477
6478         * graphite.c (basic_block_simple_for_scop_p): Renamed
6479         harmful_stmt_in_bb.
6480         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
6481         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
6482         (all_preds_visited_p, all_succs_visited_p,
6483         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
6484         scop_end_loop): New.
6485         (build_scops): Do not use dfs_enumerate_from.
6486
6487         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
6488
6489 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
6490
6491         * graphite.c: Add comments to functions that are missing a
6492         description.
6493         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
6494
6495 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
6496
6497         * graphite.c (nb_params_in_scop): Moved...
6498         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
6499         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
6500         (clast_to_gcc_expression): Reduce column size to less than 80.
6501         (graphite_create_iv): Return the new name of the IV.
6502         (find_transform): Set options->esp and options->cpp.
6503         (gloog): Comment out the invalidation of the old loop code.
6504         (initialize_dependence_polyhedron): Replace scop_nb_params with
6505         nb_params_in_scop.
6506
6507         * graphite.h (nb_params_in_scop): ... here.
6508         (scop_nb_params): Removed.
6509         (loop_domain_dim): Return something even when the loop was not
6510         found in the hash table: avoid ICEing on all the graphite.exp
6511         testcases.
6512
6513 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6514
6515         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
6516
6517         * graphite.c (build_scop_dynamic_schedules): Schedule is built
6518         according to nesting level.
6519         (find_scop_parameters): Call instantiate_parameters.
6520         (scan_tree_for_params): Extend it to handle general affine bounds.
6521         Inner loop bound can depend on outer loop induction variable.
6522         (setup_cloog_loop): tmp variable is allocated on stack. Call
6523         instantiate_parameters with respect to outermost_loop_in_scop.
6524         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
6525         graphite.h.
6526         (create_empty_loop): Function loopify should be given edge
6527         probability, instead of edge frequency. Dominance relation from
6528         switch_bb to loop_header.
6529         (clast_to_gcc_expression): Added handling of clast_reduction node.
6530         (gloog): New functionality for removing old loop.
6531         (test_dependence): Factored out from build_rdg_all_levels.
6532         (build_rdg_all_levels): Dependence testing factored out to
6533         test_dependence function.
6534
6535         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
6536         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
6537         from graphite.c
6538
6539 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
6540
6541         * graphite.c (free_scop, param_index, initialize_cloog_names,
6542         nb_params_in_scop): Use name_tree map instead of just a tree
6543         for keeping track of the variable name associated to that tree.
6544         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
6545         clast_to_gcc_expression, graphite_create_iv,
6546         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
6547         graphite_stmt_to_gcc_stmt): New.
6548         (gloog): Call these.
6549         * graphite.h (struct name_tree): New.
6550         (struct scop): Use name_tree instead of tree for params.
6551         Store a vector of name_tree for new_ivs.
6552         (SCOP_NEWIVS): New.
6553         (scop_nb_params): Use name_tree instead of tree.
6554
6555 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
6556             Sebastian Pop  <sebastian.pop@amd.com>
6557
6558         * tree-bounds.c: New.
6559         * tree-bounds.h: New.
6560         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
6561         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
6562         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
6563         flag_mudflap.
6564         * gcc.c: Same.
6565         * toplev.c: Same.
6566         * c-cppbuiltin.c: Same.
6567         * c-pragma.c: Same.
6568         * common.opt: Same.
6569         * varasm.c: Same.
6570         * tree-outof-ssa.c: Same.
6571         * c-common.c: Same.
6572         * Makefile.in: Same.
6573
6574 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
6575             Sebastian Pop  <sebastian.pop@amd.com>
6576
6577         * tree-loop-distribution.c (remaining_stmts,
6578         upstream_mem_writes): Removed static variables.
6579         (copy_loop_before, create_bb_after_loop,
6580         mark_nodes_having_upstream_mem_writes, free_rdg_components,
6581         rdg_build_components, rdg_build_partitions,
6582         dump_rdg_partitions): Extern.
6583         (generate_loops_for_partition, generate_code_for_partition): Do not
6584         return a bool.
6585         (already_processed_vertex_p, predecessor_has_mem_write,
6586         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
6587         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
6588         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
6589         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
6590         Pass remaining_stmts and upstream_mem_writes as parameters.
6591         (rdg_component): Moved...
6592         (build_rdg_partition_for_component): Do not aggregate components when
6593         flag_streamize_loops is set.
6594         (gen_sequential_loops): New.
6595         (ldist_gen): Call gen_sequential_loops.
6596
6597         * tree-pass.h (pass_loop_streamization): Declared.
6598
6599         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
6600         basic blocks when loops structures exist.
6601
6602         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
6603
6604         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
6605
6606         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
6607         eliminate_local_variables_stmt, eliminate_local_variables,
6608         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
6609         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
6610         of code delimited by two edges in the CFG.
6611         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
6612         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
6613         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
6614         the case of parallelisation of reductions.
6615         (create_loop_fn): Extern.
6616         (create_omp_parallel_region): New.
6617
6618         * tree-data-ref.c (dump_data_dependence_relation): Don't call
6619         dump_data_reference for printing dra and drb.
6620         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
6621         RDGE_RELATION.
6622         (build_rdg): Don't call free_dependence_relations for the moment, as
6623         we attach dependence relations on each edge of the RDG.
6624         To be fixed later.
6625
6626         * tree-data-ref.h (rdg_component): ...here.
6627         (struct rdg_edge): New field ddr_p relation.
6628         (RDGE_RELATION): New.
6629         (create_bb_after_loop, copy_loop_before,
6630         mark_nodes_having_upstream_mem_writes, rdg_build_components,
6631         rdg_build_partitions, dump_rdg_partitions,
6632         free_rdg_components): Declared.
6633
6634         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
6635         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
6636
6637         * tree-loop-streamization.c: New.
6638
6639         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
6640         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
6641
6642         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
6643
6644         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
6645
6646         * passes.c: Schedule pass_loop_streamization.
6647
6648 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
6649
6650         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
6651         update comment.
6652
6653 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6654
6655         * graphite.c (dot_all_scops): Update formatting.
6656         Bbs can now be part of more than one SCoP.
6657
6658 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
6659
6660         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
6661         malloc problems.
6662         (loop_domain_dim): Check for unregistered toplev SCOP loop.
6663         * graphite.h (loop_to_cloog_loop): New.
6664
6665 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6666
6667         * graphite.c (loop_domain_dim, ref_nb_loops,
6668         loop_iteration_vector_dim): New.
6669         (build_access_matrix_with_af, build_access_matrix,
6670         initialize_dependence_polyhedron): Fixed for new matrix layout.
6671         No longer assume that all iteration domains are of the same
6672         dimensionality.
6673
6674 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
6675
6676         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
6677         defined in a loop at depth 0 is invariant.
6678         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
6679         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
6680         be called at loop depth 0.
6681
6682         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
6683         a parameter.
6684         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
6685         (down_open_scop): Removed.
6686         (loop_in_scop_p): Redefined.
6687         (scop_affine_expr): New argument: scop.
6688         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
6689         a harmful statement ending a scop.
6690         (basic_block_simple_for_scop_p): New argument: scop.
6691         (get_loop_start): Removed.
6692         (new_scop): Initialize SCOP_LOOPS.
6693         (free_scop): Free SCOP_LOOPS.
6694         (succs_at_same_depth, preds_at_same_depth): New.
6695         (end_scop): Test the validity of a scop.
6696         (add_dominators_to_open_scops): New.
6697         (test_for_scop_bound): Call add_dominators_to_open_scops.
6698         Add cases for opening and closing multiple scops.
6699         (build_scops, build_scop_bbs): Iterate over basic blocks in
6700         depth first order.
6701         (build_graphite_bb): Pass scop directly.
6702         (dfs_bb_in_scop_p): New.
6703         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
6704         several times.
6705         (nb_loops_around_gb): Use loop_in_scop_p.
6706         (schedule_to_scattering): Disabled for the moment the code computing
6707         the "textual order for outer loop".
6708
6709         * graphite.h (struct scop): New field loops.
6710         (SCOP_LOOPS): New.
6711         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
6712
6713         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
6714
6715 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
6716             Sebastian Pop  <sebastian.pop@amd.com>
6717
6718         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
6719         * common.opt (fstreamize-loops): New.
6720         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
6721         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
6722         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
6723         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
6724
6725 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6726
6727         * tree-data-ref.c (build_empty_rdg): New.
6728         (build_rdg): Use it.
6729         * tree-data-ref.h (build_empty_rdg): Declared.
6730         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
6731         (find_vertex_for_stmt): Removed.
6732         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
6733
6734 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
6735
6736         * tree-loop-distribution.c (generate_builtin): After cancelling the
6737         loop tree, also delete basic blocks.
6738         (rdg_flag_uses): Stop recursion when a vertex has already been
6739         processed.
6740
6741 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6742
6743         * graphite.c (build_scop_alpha): Removed.
6744         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
6745         and dump_dependence_graph to avoid compiler warnings.
6746
6747 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6748
6749         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
6750         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
6751         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6752         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
6753         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
6754         (initialize_dependence_polyhedron, find_vertex_for_stmt,
6755         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6756         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
6757         dump_dependence_graph): New.
6758         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
6759         (GBB_ALPHA): New.
6760         (struct scop): New field loop2cloog_loop.
6761         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
6762         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
6763
6764 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6765
6766         * graphite.c (build_graphite_bb): Fix initialization
6767         of the graphite basic block.
6768
6769 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
6770
6771         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
6772         loop domain matrix.  Pass in the number of loops contained in the
6773         constraint matrix.
6774         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
6775         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
6776         loops that are not surrounding the current loop are not represented
6777         in the domain constraint matrix.
6778         (build_scop_iteration_domain): Initial domain constraint matrix
6779         contains only the eq/ineq, cst, and scop parameters columns.
6780
6781 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6782
6783         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
6784         (print_graphite_bb): Print scattering.
6785
6786 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6787
6788         * graphite.c (initialize_cloog_names): Initialize names of
6789         scattering variables.
6790
6791 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6792
6793         * graphite.c (dot_all_scops_1): Disable debug output while
6794         printing graph.
6795
6796 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6797
6798         * graphite.c (find_transform): Change cloog output language to C.
6799
6800 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
6801
6802         * tree-loop-distribution.c (generate_memset_zero,
6803         generate_builtin, generate_code_for_partition,
6804         rdg_flag_all_uses): New.
6805         (rdg_flag_uses): Gather in the same partition the statements defining
6806         the VUSES of the current statement.
6807         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
6808         Gather in the same partition not only the stores to the same memory
6809         access, but also the reads.
6810         (ldist_generate_loops): Renamed ldist_gen.
6811
6812 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6813             Tobias Grosser  <grosser@fmi.uni-passau.de>
6814
6815         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
6816         next pointer, don't use the inner pointer.
6817
6818 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
6819
6820         * graphite.c (dot_all_scops, dot_all_scops_1): New.
6821         (find_transform): Call dot_all_1.
6822         * graphite.h (dot_all_scops): Declared.
6823
6824 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
6825
6826         * tree-loop-distribution.c: Fix apsi.f ICE.
6827         (create_bb_after_loop): New.
6828         (generate_loops_for_partition): Use it.
6829         * gfortran.dg/ldist-1.f90: New.
6830
6831         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
6832         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
6833
6834 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6835
6836         * graphite.c (find_transform): Dump cloog program sent to cloog.
6837
6838 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6839
6840         * graphite.c (initialize_cloog_names): Initialize cloog
6841         iterator names.
6842
6843 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6844
6845         * graphite.c (build_scop_context): Fix typo, for the matrix
6846         format: insert '0 >= 0' instead of '-1 >= 0'.
6847
6848 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6849
6850         * Fix merge problems.
6851
6852 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6853
6854         * graphite.c (setup_cloog_loop): Fix typo.
6855
6856 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6857
6858         * doc/invoke.texi (-ftree-loop-distribution): Documented.
6859         * tree-loop-distribution.c: Reimplemented.
6860         * tree-pass.h (pass_loop_distribution): New.
6861         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
6862         print_loops.
6863         * graphds.h (struct graph): New field indexes.
6864         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6865
6866         * tree-vect-analyze.c: Remove declaration of static functions when not
6867         needed.
6868         * tree-vectorizer.c: Same.
6869         (rename_variables_in_loop): Now extern.
6870         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
6871         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
6872         calling redirect_edge_and_branch_force.
6873
6874         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6875
6876         * tree-data-ref.c: Don't include tree-chrec.h.
6877         (debug_data_dependence_relations): New.
6878         (dump_data_dependence_relation): Call dump_data_reference on data refs
6879         in the relation.
6880         (same_access_functions): Moved...
6881         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6882         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6883         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6884         struct rdg_vertex_info, ): New.
6885         (create_rdg_edge_for_ddr): Compute the dependence level before looking
6886         at DDR_REVERSED_P.
6887         (create_rdg_vertices): Initialize the htab of graph->indexes.
6888         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
6889         (stmts_from_loop): Don't save LABEL_EXPR.
6890         (hash_stmt_vertex_info, eq_stmt_vertex_info,
6891         hash_stmt_vertex_del): New.
6892         (build_rdg): Initialize rdg->indexes.
6893         (free_rdg, stores_from_loop, ref_base_address,
6894         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6895         have_similar_memory_accesses_1, ref_base_address_1,
6896         remove_similar_memory_refs): New.
6897
6898         * tree-data-ref.h: Include tree-chrec.h.
6899         (debug_data_dependence_relations): Declared.
6900         (same_access_functions): ...here.  Now static inline.
6901         (ddr_is_anti_dependent, ddrs_have_anti_deps,
6902         ddr_dependence_level): New.
6903         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
6904         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
6905         RDG_MEM_READS_STMT): New.
6906         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6907         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6908         rdg_vertex_for_stmt): Declared.
6909         (struct rdg_edge): New field level.
6910         (RDGE_LEVEL, free_rdg): New.
6911         (stores_from_loop, remove_similar_memory_refs,
6912         rdg_defs_used_in_other_loops_p,
6913         have_similar_memory_accesses): Declared.
6914         (rdg_has_similar_memory_accesses): New.
6915
6916         * lambda.h (dependence_level): New.
6917         * common.opt (ftree-loop-distribution): New.
6918         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
6919         (print_loop_ir): Renamed print_loops.
6920         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
6921         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
6922         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
6923         (tree-loop-distribution.o): Added.
6924         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6925         (mark_virtual_ops_in_bb): New.
6926         (print_loops_bb, debug_loop_num, debug_loop): New.
6927         * passes.c: Scheduled pass_loop_distribution.
6928
6929 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6930
6931         * graphite.c (scan_tree_for_params): Correct the number of columns
6932         for polylib format.
6933         (nb_flat_iterator): New.
6934         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
6935         (build_scop_iteration_domain): Correct the number of columns for
6936         polylib format.
6937
6938 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6939
6940         * Merge from mainline (129697:130800).
6941
6942 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
6943
6944         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
6945         dominated by SCoP's exit.
6946         (graphite_transform_loops): Compute post dominators.
6947
6948 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6949
6950         * Merge from mainline (127169:129697).
6951
6952 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6953
6954         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
6955         parameter for the basic block that contains the expression.  Use
6956         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
6957         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
6958         the expression.
6959         * graphite.h (gbb_loop): New.
6960         (GBB_LOOP): Removed.
6961
6962 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6963
6964         * Makefile.in: Fix merge problem.
6965
6966 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6967
6968         * Merge from mainline (125309:127169).
6969         * tree-loop-distribution.c: Disabled.
6970
6971 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
6972
6973         * Merge from mainline (r123693:125309).
6974
6975 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
6976
6977         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
6978         correct_modify_p
6979         (correct_modify_p, check_statements, number_of_lvalue_uses,
6980         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
6981         instead of MODIFY_EXPR.
6982         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
6983         and push new edges.
6984
6985 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
6986
6987         * tree-loop-distribution.c (struct rdg): Replace arrays by
6988         VECs for edges and vertices.
6989         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
6990         (RDGV_NB_PARTITIONS): New.
6991         (PRDG_NBV, PRDG_NBE): Removed.
6992         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
6993         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
6994         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
6995
6996 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
6997             Sebastian Pop  <sebpop@gmail.com>
6998
6999         * doc/invoke.texi (-ftree-loop-distribution): Document.
7000         * tree-loop-distribution.c: New file.
7001         * tree-pass.h (pass_loop_distribution): Declared.
7002         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
7003         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
7004         and set reversed_p.
7005         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
7006         (DDR_REVERSED_P): New.
7007         * common.opt (-ftree-loop-distribution): New.
7008         * tree-flow.h (distribute_loops): Declared.
7009         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
7010         * passes.c (init_optimization_passes): Schedule loop distribution.
7011
7012 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
7013
7014         * graphite.c (print_graphite_bb): Don't call dump_data_references.
7015         (print_scop): Don't print when scop is NULL.
7016         (build_scop_context, find_transform): Don't output to stderr.
7017
7018 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
7019
7020         * tree-data-ref.c: Don't include graphite.h.
7021         Comment out the code for printing data reference's scop.
7022         (build_access_matrix_with_af): Moved...
7023         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
7024         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
7025         (print_graphite_bb): Print basic block's schedule.
7026         (print_scop): Don't print the schedule, call cloog's pretty printer.
7027         (bb_in_scop_p): A basic block is in a scop only if it is both
7028         dominated and postdominated by the scop's entry and exit basic blocks.
7029         (function_parameter_p): New.
7030         (invariant_in_scop_p): Use function_parameter_p.
7031         (new_scop, save_scop): New.
7032         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
7033         save_scop.
7034         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
7035         (loop_in_scop_p): New.
7036         (scop_record_loop): Use loop_in_scop_p.
7037         (build_scop_domain): Renamed build_scop_iteration_domain.
7038         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
7039         nb_params_in_scop, build_scop_context, first_loop_in_scop,
7040         setup_cloog_loop, dot_scop_1, dot_scop): New.
7041         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
7042         (struct scop): Add a pointer to cloog's representation of a program.
7043
7044 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
7045
7046         * doc/invoke.texi (-ftree-check-verbose): Renamed
7047         -ftree-checks-verbose.
7048         * common.opt (flag_tree_check_verbose): Renamed
7049         flag_tree_checks_verbose.
7050         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
7051
7052 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
7053
7054         * configure: Regenerated.
7055         * config.in: Regenerated.
7056         * tree-ssa-loop.c (graphite_transforms): Execute
7057         graphite_transform_loops only when HAVE_cloog.
7058         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
7059         * graphite.c: Include polylibgmp.h and cloog.h.
7060         (graphite_transform_loops): Removed loops parameter.
7061         * tree-flow.h (graphite_transform_loops): Update declaration.
7062         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
7063         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
7064         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
7065         (OBJS-common): Remove dependence on graphite.o.
7066         (BACKEND): Depend on @GRAPHITE@.
7067
7068 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
7069
7070         * doc/invoke.texi (-ftree-check-verbose): Documented.
7071         * gcc.dg/tree-checker/tree-checks-1.c: New.
7072         * gcc.dg/tree-checker/tree-checks-2.c: New.
7073         * gcc.dg/tree-checker/tree-checks-3.c: New.
7074         * gcc.dg/tree-checker/tree-checks-4.c: New.
7075         * gcc.dg/tree-checker/tree-checks.exp: New.
7076         * gcc.dg/tree-checker/condates.crp: New.
7077         * common.opt (ftree-checks-verbose): New.
7078         * tree-check.c (tree_check_warning): Move extra stderr output
7079         under control of flag_tree_check_verbose.
7080
7081 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
7082
7083         * tree-match.c: Fix comments formatting.
7084         * tree-match.h: Fix comments formatting.
7085         * tree-check.c: Fix comments formatting.
7086         (tree_check_init): Restructure.
7087
7088 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
7089
7090         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
7091
7092 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
7093
7094         * Merge from mainline (r120733:123693).
7095
7096 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
7097
7098         * condate.y: New file.
7099         * tree-match.h (struct patt_info_s): New field sign.
7100         (struct condate_s): New field msg.
7101         (normalize_condate, name_condate, add_condate): New.
7102         (conds[], condate_parse): Made extern.
7103         * tree-check.c (tree_check_warning): First arg changed to cond;
7104         warning reformatted.
7105         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
7106         (tree_scan): New.
7107         (tree_check): Process trivial condates.
7108         (read_delimited_string): Removed.
7109         (print_cond): Print name and msg.
7110         (conds[]): Made extern.
7111         (parse_tree_check_file_once): Rewritten to use the parser in
7112         condate.y.
7113         Processing of option --tree_check_string moved to tree_scan().
7114         * Makefile.in: Added condate.y
7115
7116 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
7117
7118         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
7119         Use VECs instead of varrays.
7120         * diagnostic.h (lazy_dump_generic_node): Update declaration.
7121         * Makefile.in (pretty-print.o): Depend on vec.h.
7122         * pretty-print.c: Include tree.h and vec.h.
7123         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
7124         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
7125         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
7126         pp_free_list): Use VECs instead of varrays.
7127         * pretty-print.h: Do not include varray.h.
7128         (struct tree_chunk_s): Declaration moved before its use.
7129         (output_buffer): Rename varray field to chunks.
7130         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
7131         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
7132         save_global_holes): Use VECs instead of varrays.
7133         * tree-match.h: Declare VECs of cfg_node, and hole_p.
7134         * tree-check.c (scan_cfg_stmts, push_node,
7135         print_matching_stmt): Removed.
7136         (tree_check_instance, push_global_holes_if_new, tree_check,
7137         execute_tree_check): Use VECs instead of varrays.
7138         (gate_tree_check): Don't execute the CFG check when basic_block_info
7139         is not available.
7140
7141 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7142
7143         * Merge from mainline (r115016:120733).
7144
7145 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7146
7147         * Merge from mainline (r117632:117661).
7148
7149 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7150
7151         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
7152         * tree-pass.h (TDF_DEBUG, debug_p): New.
7153         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
7154         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
7155         get_loop_exit_condition, analyze_evolution_in_loop,
7156         analyze_initial_condition, analyze_scalar_evolution,
7157         instantiate_parameters, number_of_latch_executions): Use debug_p.
7158         * tree-chrec.c (chrec_apply): Use debug_p.
7159         * tree-data-ref.c: Include graphite.h.
7160         (dump_data_reference): Print also the access matrix.
7161         (analyze_array, analyze_indirect_ref, init_data_ref,
7162         analyze_offset_expr, address_analysis, object_analysis,
7163         create_data_ref, finalize_ddr_dependent,
7164         non_affine_dependence_relation, analyze_ziv_subscript,
7165         analyze_siv_subscript_cst_affine,
7166         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7167         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
7168         analyze_miv_subscript, analyze_overlapping_iterations,
7169         build_classic_dist_vector, subscript_dependence_tester,
7170         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
7171         (build_access_matrix_with_af): No longer static.
7172         * tree-data-ref.h (scop_p): ... declaration here.
7173         (data_reference.scop): New field.
7174         (DR_SCOP, DR_ACCESS_MATRIX): New.
7175         (build_access_matrix_with_af, dr_num_subscripts): Declared.
7176         * graphite.c (print_graphite_bb): Call dump_data_references.
7177         (print_scop): Use scop_nb_loops and scop_dim_domain.
7178         (test_for_scop_bound): Use debug_p.
7179         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
7180         scop_nb_params.
7181         (scop_loop_index): Moved...
7182         (scop_record_loop): New.
7183         (build_scop_loop_nests): Use scop_record_loop.
7184         (build_scop_domain): Use scop_dim_domain.
7185         (build_access_matrix): Implemented.
7186         (build_scop_canonical_schedules): Use scop_nb_loops.
7187         (build_graphite_bb): Initialize GBB_SCOP.
7188         * graphite.h (scop_p): Moved...
7189         (graphite_bb.scop): New field.
7190         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
7191         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
7192         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
7193         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
7194         scop_loop_index): New.
7195         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
7196
7197 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
7198
7199         * Merge from mainline (r117661:120450).
7200
7201 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
7202
7203         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
7204         at the first declaration outside the varying loop, instantiate as
7205         far as possible.
7206         * tree-chrec.c (for_each_scev_op): New.
7207         * tree-chrec.h (for_each_scev_op): Declared.
7208         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
7209         * tree-data-ref.c (get_references_in_stmt,
7210         find_data_references_in_stmt): New, from trunk.
7211         (find_data_references_in_loop): Use get_references_in_stmt
7212         and find_data_references_in_loop, modified as in trunk.
7213         (build_access_matrix_with_af): New.
7214         * tree-data-ref.h (data_reference): Add a field access_matrix.
7215         (data_ref_loc): New, as in trunk.
7216         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
7217         invariant_in_scop_p, param_index, scan_tree_for_params,
7218         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
7219         idx_record_param, idx_record_params, build_access_matrix,
7220         build_scop_data_accesses, build_scop_canonical_schedules,
7221         build_graphite_bb, build_scop_bbs, find_params_in_bb,
7222         build_scop_params): New.
7223         * graphite.h (graphite_bb): New.
7224         (scop): Add fields static_schedule, params, loop_nest,
7225         iteration_domain.
7226         * lambda.h: Declare vecs of lambda_matrix.
7227         * tree-flow.h (print_loop_ir_bb): Declared.
7228         * tree-cfg.c (print_loop_ir_bb): New.
7229         (print_loop): Use print_loop_ir_bb.
7230
7231 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
7232
7233         * Merge from mainline (r115016:117632).
7234
7235 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
7236
7237         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
7238         break due to a warning.
7239
7240 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
7241
7242         * graphite.c (print_scops, debug_scops): New.
7243         (graphite_transform): Renamed graphite_find_transform.
7244         * graphite.h (debug_scops): Declared.
7245
7246 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
7247
7248         * tree-match.c: Reformat following the GNU style.
7249         * tree-match.h: Reformat following the GNU style.
7250         * tree-pattern.h: Removed empty file.
7251         * Makefile.in: Remove references to tree-pattern.h.
7252         * tree-check.c: Reformat following the GNU style.
7253         (execute_tree_check): Move gate condition code to...
7254         (gate_tree_check): ...here.  New function.
7255         (pass_check): Use the gate function.
7256
7257 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
7258
7259         * tree-pattern.h: New. Tree pattern matching and checking using
7260         concrete syntax.
7261         * tree-check.c: New. Tree/CFG checking pass.
7262         * tree-match.c: New. Library for tree pattern matching.
7263         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
7264         * toplev.c, flags.h: Add globals for tree-check pass.
7265         * Makefile.in: Integrate the files in tree-check pass.
7266         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
7267         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
7268         Introduce a "lazy" pretty-print mode.
7269         * tree.c, tree.h: Add tree_name.
7270
7271 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
7272
7273         * doc/invoke.texi (-fgraphite): Correct typo.
7274         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
7275         use of print_loop_ir.
7276         * gcc.dg/graphite/scop-1.c: New.
7277         * gcc.dg/graphite/scop-2.c: New.
7278         * gcc.dg/graphite/graphite.exp: New.
7279         * graphite.c: Include domwalk.h.
7280         (print_scop): Print only the entry and exit blocks.
7281         (debug_scop): No longer static.
7282         (affine_expr): Fix formating.  Return also true when the expression is
7283         constant.
7284         (stmt_simple_for_scop_p): Fix formating.
7285         (build_scops): Use domwalk.
7286         (get_loop_start, end_scop, test_for_scop_bound): New.
7287         (graphite_transform_loops): Avoid printing on stderr.
7288         * graphite.h (debug_scop): Declared.
7289         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
7290         * Makefile.in (graphite.o): Depend on domwalk.h.
7291         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
7292         declarations for static functions.
7293         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
7294         controlling output verbosity.
7295
7296 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
7297             Plesco Alexandru  <shurikx@gmail.com>
7298
7299         * doc/invoke.texi (-fgraphite): Document.
7300         * tree-pass.h (pass_graphite_transforms): Declared.
7301         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
7302         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
7303         (pass_graphite_transforms): Defined.
7304         * tree-data-ref.c (free_data_ref, data_reference): Extern.
7305         * tree-data-ref.h (free_data_ref, data_reference): Declared.
7306         * graphite.c, graphite.h: New.
7307         * common.opt (fgraphite): Declared.
7308         * tree-flow.h (graphite_transform_loops): Declared.
7309         * Makefile.in (OBJS-common): Add graphite.o.
7310         (graphite.o): New rule.
7311         * passes.c (pass_graphite_transforms): Scheduled.
7312