gcc/ChangeLog.graphite

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