gcc/ChangeLog.graphite

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