gcc/ChangeLog.graphite

   1 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * sese.h (scev_analyzable_p): Return false for real or floating
   4         point.  Only handle INTEGRAL_TYPE_P and POINTER_TYPE_P.
   5
   6 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
   7
   8         PR middle-end/45758
   9         * gfortran.dg/graphite/pr45758.f90: New.
  10
  11 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
  12
  13         * graphite-scop-detection.c (is_scop_p): Free bblist.
  14
  15 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
  16
  17         * graphite-clast-to-gimple.c (compute_bounds_for_level): Free le
  18         and ps.
  19         * graphite-poly.c (pbb_number_of_iterations_at_time): Free le and
  20         domain.
  21         * graphite-sese-to-poly.c (add_upper_bounds_from_estimated_nit):
  22         Do not allocate ub_expr, it is passed in initialized.
  23
  24 2010-09-21  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
  25
  26         * common.opt (fgraphite-dump-cloog): New flag.
  27         * doc/invoke.texi (-fgraphite-dump-cloog): Documented.
  28         * graphite-clast-to-gimple.c (init_cloog_input_file): New.
  29         (build_cloog_prog): Dump CLooG input file when
  30         flag_graphite_dump_cloog is set.
  31         * graphite-cloog-compat.h (cloog_program_dump_cloog): New.
  32
  33 2010-09-20  Sebastian Pop  <sebastian.pop@amd.com>
  34
  35         Revert previous patch "New flag: -fgraphite-dump-cloog."
  36
  37 2010-09-20  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
  38
  39         * common.opt (fgraphite-dump-cloog): New flag.
  40         * doc/invoke.texi (-fgraphite-dump-cloog): Documented.
  41         * graphite-clast-to-gimple.c (init_cloog_input_file): New.
  42         (build_cloog_prog): Dump CLooG input file when
  43         flag_graphite_dump_cloog is set.
  44
  45 2010-09-20  Sebastian Pop  <sebastian.pop@amd.com>
  46
  47         * graphite-clast-to-gimple.c (graphite_verify): Remove call to
  48         verify_dominators for CDI_POST_DOMINATORS.
  49         * sese.h: Remove comment about CDI_POST_DOMINATORS.
  50         (recompute_all_dominators): Remove call to free_dominance_info
  51         for CDI_POST_DOMINATORS.  Remove call to calculate_dominance_info
  52         for CDI_POST_DOMINATORS.
  53
  54 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
  55
  56         * graphite-poly.c (pbb_number_of_iterations_at_time): Only iterate
  57         over pbb_dim_iter_domain.
  58
  59 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
  60
  61         * graphite-flattening.c: Fix comments.
  62
  63 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
  64
  65         * Makefile.in (OBJS-common): Add graphite-flattening.o.
  66         (graphite-flattening.o): New rule.
  67         * common.opt (floop-flatten): New flag.
  68         * doc/invoke.texi (-floop-flatten): Documented.
  69         * graphite-flattening.c: New.
  70         * graphite-poly.c (apply_poly_transforms): Call flatten_all_loops.
  71         * graphite-poly.h (flatten_all_loops): Declared.
  72         (lst_remove_loop_and_inline_stmts_in_loop_father): New.
  73         * tree-ssa-loop.c (gate_graphite_transforms): When flag_loop_flatten
  74         is set, also set flag_graphite.
  75
  76 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
  77
  78         * graphite-poly.c (cloog_checksum): New.
  79         * graphite-poly.h (cloog_checksum): Declared.
  80
  81 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
  82
  83         * graphite-poly.c (pbb_number_of_iterations): Removed.
  84         (pbb_number_of_iterations_at_time): Correctly compute the number
  85         of iterations in the transformed loop.
  86         * graphite-poly.h (pbb_number_of_iterations): Removed.
  87
  88 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
  89
  90         * graphite-poly.h (lst_update_scattering_seq): Removed.
  91         (lst_update_scattering): Correctly handle outermost loop dewey
  92         renumbering.
  93
  94 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
  95
  96         * graphite-blocking.c (pbb_strip_mine_profitable_p): Renamed
  97         lst_strip_mine_profitable_p.  Call lst_niter_for_loop.
  98         * graphite-poly.h (lst_niter_for_loop): New.
  99
 100 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 101
 102         * graphite-poly.c (apply_poly_transforms): Do not abort when the
 103         transform read from disk is not legal.  Call fatal_error instead.
 104
 105 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 106
 107         * graphite-poly.c (print_pbb_body): Add missing closing parenthesis.
 108         (print_scop_header): Removed.  Inlined in the only call place...
 109         (print_scop): ... here.
 110
 111 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 112
 113         * graphite-poly.h (lst_dewey_number): Use FOR_EACH_VEC_ELT.
 114
 115 2010-09-02  Vladimir Kargov  <kargov@gmail.com>
 116
 117         * graphite-scop-detection.c (is_valid_expr_p, is_valid_loop_p): New.
 118         (is_valid_stmt_p): Add data reference and operation-specific checks.
 119         (is_valid_bb_p): Change structure, add loop validity check.
 120         (is_scop_p): Move the TODO list
 121         (find_scops_new): New.
 122         (build_scops_new): Move part of functionality to find_scops_new and
 123         build_scops.  Add necessary steps for successful SCoP construction.
 124         (build_scops): Compute SCoP sets for both detection algorithms, choose
 125         the resulting one depending on static condition.
 126
 127 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
 128
 129         * graphite-poly.c (graphite_read_scop_file): Fix uninitialize warning.
 130
 131 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
 132
 133         * graphite-dependences.c (dot_deps): Avoid set but not used warning.
 134         (dot_deps_stmt): Same.
 135         * graphite-poly.c (dot_lst): Same.
 136
 137 2010-08-23  Sebastian Pop  <sebastian.pop@amd.com>
 138
 139         * graphite-blocking.c (scop_do_strip_mine): Do not call
 140         graphite_legal_transform.
 141         (scop_do_block): Same.
 142
 143 2010-08-20  Vladimir Kargov  <kargov@gmail.com>
 144
 145         * graphite-scop-detection.c (graphite_can_represent_loop): Correct the
 146         description.
 147
 148 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 149
 150         PR middle-end/45230
 151         * gcc.dg/graphite/id-pr45230.c: New.
 152
 153 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 154
 155         * tree-scalar-evolution.c (instantiate_array_ref): New.
 156         (instantiate_scev_r): Also handle ARRAY_REFs.
 157
 158 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 159
 160         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
 161         Do not check for VAR_DECL, PARM_DECL, FUNCTION_DECL, LABEL_DECL,
 162         RESULT_DECL, and FIELD_DECL.  Return false for an
 163         SSA_NAME_IS_DEFAULT_DEF.
 164         (compute_scalar_evolution_in_loop): Do not further analyze the
 165         scalar evolution when no_evolution_in_loop_p returns true.
 166
 167 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 168
 169         * tree-chrec.h (evolution_function_is_affine_p): Do not check
 170         whether CHREC_LEFT is invariant.  A function is affine when
 171         CHREC_RIGHT is invariant.
 172
 173 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 174
 175         * graphite-sese-to-poly.c (reduction_phi_p): Remove check for
 176         is_gimple_reg.
 177         (rewrite_degenerate_phi): Same.
 178         (rewrite_reductions_out_of_ssa): Add check for is_gimple_reg.
 179
 180 2010-08-18  Vladimir Kargov  <kargov@gmail.com>
 181
 182         * graphite-scop-detection.c (graphite_can_represent_scev,
 183         graphite_can_represent_expr, stmt_has_simple_data_refs_p,
 184         graphite_can_represent_loop): Remove outermost_loop.
 185
 186 2010-08-17  Sebastian Pop  <sebastian.pop@amd.com>
 187
 188         PR middle-end/45229
 189         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Do not
 190         handle GIMPLE_CALLs with no LHS.
 191
 192 2010-08-17  Riyadh Baghdadi  <baghdadi.mr@gmail.com>
 193             Sebastian Pop  <sebastian.pop@amd.com>
 194
 195         * gcc.dg/graphite/graphite.exp: Add test rules for openscop read/write.
 196         Call remove-build-file to clean up the generated *.graphite files.
 197
 198 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 199
 200         * doc/invoke.texi (debugging options): Update documentation.
 201         (-floop-interchange): Same.
 202         (-flopp-strip-mine): Same.
 203         (-floop-block): Same.
 204         (-fgraphite-read): Add documentation.
 205         (-fgraphite-write): Same.
 206
 207 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 208
 209         * toplev.c (process_options): Disable graphite loop optimization
 210         options when -fgraphite-read flag is used.
 211
 212 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 213
 214         * graphite-poly.c (init_graphite_out_file): New.
 215         (init_graphite_in_file): New.
 216         (apply_poly_transforms): Updated to enable reading and writing of
 217         multiple scop files.
 218         * toplev.c (init_asm_output): Remove graphite in/out file initialization.
 219
 220 2010-08-17  Tobias Grosser  <grosser@fim.uni-passau.de>
 221
 222         * graphite-scop-detection.c (graphite_can_represent_scev): Remove
 223         redundant checks.
 224
 225 2010-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 226
 227         * graphite-clast-to-gimple.c (precision_for_value): Adjust
 228         computation of precision by 1.
 229
 230 2010-08-12  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 231
 232         * graphite-cloog-util.c (openscop_read_cloog_matrix): New.
 233         (openscop_read_polyhedron_matrix): New.
 234         * graphite-cloog-util.h (openscop_read_polyhedron_matrix): Declared.
 235         (openscop_read_N_int): Same.
 236         * graphite-poly.c (openscop_read_N_int): New.
 237         (openscop_read_one_int): New.
 238         (openscop_read_N_string): New.
 239         (openscop_read_one_string): New.
 240         (openscop_read_powerset_matrix): New.
 241         (graphite_read_transforms): Remove.
 242         (graphite_read_scatt): New.
 243         (graphite_read_scop_file): New.
 244         (apply_poly_transforms): Updated to call graphite_read_scop_file.
 245
 246 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 247
 248         * graphite-poly.c: Change include order.
 249
 250 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 251
 252         * graphite-cloog-compat.h (cloog_matrix_ncolumns): New.
 253         (cloog_matrix_nrows): New.
 254
 255 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 256
 257         * graphite-cloog-util.c (openscop_print_cloog_matrix): Remove spaces
 258         from matrix lines.
 259         * graphite-poly.c (openscop_print_scattering_function_1): Same.
 260         (print_scattering_function_1): Same.
 261         (openscop_print_pbb_domain): Same.
 262         (openscop_print_scop_context): Same.
 263         (print_scop_context): Same.
 264
 265 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 266
 267         * graphite-poly.c (openscop_print_pdr_polyhedron): Fix indentation.
 268         (openscop_print_pdr_polyhedron): Print pph.
 269
 270 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 271
 272         * gcc.dg/graphite/graphite.exp: Add compile rules for vect-* files.
 273         * gfortran.dg/graphite/graphite.exp: Same.
 274         * gcc.dg/graphite/vect-pr43423.c: New.
 275
 276 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 277
 278         * graphite-clast-to-gimple.c (gcc_type_for_interval): Generate in
 279         priority signed types.
 280
 281 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 282
 283         * graphite-clast-to-gimple.c (max_signed_precision_type): Remove the call
 284         to lang_hooks.types.type_for_size.  Call build_nonstandard_integer_type.
 285
 286 2010-07-29  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 287
 288         * graphite-cloog-util.c (openscop_print_cloog_matrix): New.
 289         (openscop_print_polyhedron_matrix): New.
 290         * graphite-cloog-util.h (openscop_print_polyhedron_matrix): Declared.
 291         * graphite-poly.c (openscop_print_pdr_polyhedron): Same.
 292         (openscop_print_pdr_powerset): New.
 293         (openscop_print_powerset_matrix): New.
 294         (openscop_print_scattering_function_1): New.
 295         (print_scattering_function): Add support for scattering names and
 296         OpenScop format.
 297         (graphite_write_transforms): Remove.
 298         (apply_poly_transforms): Updated to call print_scop.
 299         (print_pdr_access_layout): Updated to support OpenScop format.
 300         (print_pdr): Same.
 301         (openscop_print_pbb_domain): New.
 302         (print_pbb_body): Added a parameter to allow indicating that pbb_body is
 303         not provided.
 304         (print_pbb): Updated to call the new print_pbb_body.
 305         (openscop_print_scop_context): New.
 306         (print_scop_header): New.
 307         (print_scop): Updated to call print_scop_header.
 308         * graphite-poly.h: Document OpenScop format.
 309
 310 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 311
 312         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add back
 313         the case removed in the previous patch, when the only phi argument
 314         is defined in the same loop as the phi node itself.  Handle it
 315         separately from the invariant case by both propagating it outside
 316         the region and replacing the phi node with an assign.
 317
 318 2010-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 319
 320         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): The only
 321         constant phi nodes with one argument are is_gimple_min_invariant
 322         and SSA_NAME_IS_DEFAULT_DEF.
 323
 324         * gfortran.dg/graphite/id-22.f: New.
 325
 326 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 327
 328         * graphite.c (graphite_initialize): Do not initialize
 329         CLooG and initialize the Parma Polyhedra Library
 330         manually when using CLOOG_ORG.
 331         (graphite_finalize): Do not finalize CLooG and finalize
 332         the Parma Polyhedra Library manually when using CLOOG_ORG.
 333         * graphite-cloog-compat.h (cloog_initialize): Hide function
 334         when using CLOOG_ORG.
 335         (cloog_finalize): Same.
 336
 337 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 338
 339         * graphite-clast-to-gimple.c (free_scattering): Change
 340         CloogDomainList/CloogDomain to CloogScatteringList/CloogScattering
 341         (CLOOG_ORG).
 342         (build_cloog_prog): Same.
 343         * graphite-cloog-compat.h (cloog_domain): Removed.
 344         (cloog_scattering): New.
 345         (cloog_set_domain): Removed.
 346         (cloog_set_scattering): New.
 347         (cloog_next_domain): Removed.
 348         (cloog_next_scattering): New.
 349         (cloog_set_next_domain): Removed.
 350         (cloog_set_next_scattering): New.
 351         (CloogScatteringList): New.
 352         (CloogScattering): New.
 353         (cloog_scattering_free): New.
 354         (new_Cloog_Scattering_from_ppl_Polyhedron): New.
 355         * graphite-cloog-util.c (new_Cloog_Scattering_from_ppl_Polyhedron):
 356         New.
 357
 358 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 359
 360         * graphite-clast-to-gimple.c (build_cloog_prog): Extend with
 361         CloogState.
 362         (set_cloog_options): Same.
 363         (print_clast_stmt): Same.
 364         (scop_to_clast): Same.
 365         (print_generated_program): Same.
 366         (gloog): Same.
 367         * graphite-clast-to-gimple.h: Include graphite-cloog-util.h.
 368         (scop_to_clast): Extend with CloogState.
 369         * graphite-cloog-util.c: Include graphite-cloog-compat.h
 370         (new_Cloog_Domain_from_ppl_Polyhedron):
 371         Extend with CloogState.  Use cloog_domain_from_cloog_matrix (CLOOG_ORG).
 372         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Extend with CloogState.
 373         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 374         * graphite-cloog-util.h (build_cloog_prog): Same.
 375         * graphite-cloog-copat.h (build_cloog_prog): New.
 376         (CloogState): New.
 377         (cloog_state_malloc): New.
 378         (cloog_state_free): New.
 379         (cloog_loop_malloc): New.
 380         (cloog_options_malloc): New.
 381         (cloog_statement_alloc): New.
 382         (cloog_domain_from_cloog_matrix): New.
 383         (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
 384         (new_Cloog_Domain_from_ppl_Polyhedron): New.
 385
 386 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 387
 388         * graphite-clast-to-gimple.c (clast_name_to_gcc): Parameter
 389         type of NAME now depends on used CLooG version.
 390         (clast_to_gcc_expression): Replace expr_* with clast_expr_*.
 391         (gcc_type_for_clast_expr): Same.
 392         (print_clast_stmt): Replace pprint with clast_pprint.
 393         * graphite-cloog-compat.h: Provide compatibility macros for
 394         CLooG Legacy.
 395         (clast_name_p): New.
 396         (clast_expr_term): New.
 397         (clast_expr_red): New.
 398         (clast_expr_bin): New.
 399         (clast_pprint): New.
 400
 401 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 402
 403         * graphite-clast-to-gimple.c (set_cloog_options): Make CLooG options
 404         compatible to newer CLooG releases (CLOOG_ORG).
 405         (build_cloog_prog): Pass CloogOptions to more functions (CLOOG_ORG).
 406         (scop_to_clast): Pass CloogOptions to build_cloog_prog (CLOOG_ORG).
 407         * graphite-cloog-compat.h: Add compatibility macros for CLooG Legacy.
 408         (build_cloog_prog) : New.
 409         (cloog_program_extract_scalars): New.
 410         (cloog_program_scatter): New.
 411
 412 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 413
 414         * graphite-clast-to-gimple.c: Include graphite-cloog-compat.h
 415         conditionally (CLOOG_ORG).
 416         * graphite-cloog-compat.h: New.  Include graphite-cloog-compat.h.
 417         (cloog_statement_usr): New.
 418         (cloog_domain): Same.
 419         (cloog_set_domain): Same.
 420         (cloog_next_domain): Same.
 421         (cloog_set_next_domain): Same.
 422         (cloog_program_nb_scattdims): Same.
 423         (cloog_program_set_nb_scattdims): Same.
 424         (cloog_program_names): Same.
 425         (cloog_program_set_names): Same.
 426         (cloog_program_set_context): Same.
 427         (cloog_program_set_loop): Same.
 428         (cloog_program_blocklist): Same.
 429         (cloog_program_set_blocklist): Same.
 430         (cloog_program_scaldims): Same.
 431         (cloog_program_set_scaldims): Same.
 432         (cloog_names_nb_parameters): Same.
 433         (cloog_names_set_nb_parameters): Same.
 434         (cloog_names_parameters): Same.
 435         (cloog_names_set_parameters): Same.
 436         (cloog_names_set_nb_iterators): Same.
 437         (cloog_names_set_iterators): Same.
 438         (cloog_names_set_nb_scattering): Same.
 439         (cloog_names_set_scattering): Same.
 440         (cloog_statement_set_usr): Same.
 441         (cloog_loop_set_next): Same.
 442         (cloog_loop_set_domain): Same.
 443         (cloog_loop_set_block): Same.
 444         (cloog_block_list_next): Same.
 445         (cloog_block_list_set_next):
 446         (cloog_block_list_set_block): Same.
 447
 448 2010-07-27  Sebastian Pop  <sebastian.pop@amd.com>
 449
 450         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Returns
 451         a bool.
 452         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
 453         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
 454         (rewrite_cross_bb_scalar_deps_out_of_ssa): Call scev_reset_htab
 455         when something has been changed.
 456         (rewrite_commutative_reductions_out_of_ssa): Same.
 457
 458         * gcc.dg/graphite/id-26.c: New.
 459
 460 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
 461
 462         * graphite-sese-to-poly.c (propagate_expr_outside_region): Also
 463         handle the case when def is in the sese region.
 464         (rewrite_close_phi_out_of_ssa): Call propagate_expr_outside_region
 465         for invariant expressions.
 466         (rewrite_cross_bb_phi_deps): Removed.
 467         (rewrite_cross_bb_scalar_deps): Also handle GIMPLE_PHI nodes.
 468         (rewrite_cross_bb_scalar_deps_out_of_ssa): Do not call
 469         rewrite_cross_bb_phi_deps.
 470
 471 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
 472
 473         * graphite-sese-to-poly.c
 474         (rewrite_commutative_reductions_out_of_ssa_loop): Call
 475         scev_analyzable_p only on is_gimple_reg
 476
 477         * gcc.dg/graphite/id-25.c: New.
 478
 479 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 480
 481         * graphite-sese-to-poly.c (propagate_expr_outside_region): New.
 482         (rewrite_close_phi_out_of_ssa): Propagate constant values or
 483         parametric expressions outside the scop region.
 484         (rewrite_cross_bb_scalar_deps): Same.
 485         * sese.c (rename_uses): Use NULL_TREE instead of NULL for trees.
 486
 487         * gcc.dg/graphite/run-id-5.c: New.
 488         * gcc.dg/graphite/run-id-6.c: New.
 489         * gfortran.dg/graphite/id-21.f: New.
 490
 491 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 492
 493         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Use
 494         SSA_NAME_DEF_STMT only on SSA_NAMEs.
 495
 496         * gcc.dg/graphite/id-24.c: New.
 497
 498 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 499
 500         * tree-scalar-evolution.c (instantiate_scev_name): Do not
 501         instantiate default definitions.
 502
 503 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 504
 505         * graphite-scop-detection.c (is_valid_stmt_p): New.
 506         (is_valid_bb_p): New.
 507
 508 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 509             Sebastian Pop  <sebastian.pop@amd.com>
 510
 511         * cfgloop.c (is_loop_exit): Renamed loop_exits_to_bb_p.
 512         (loop_exits_from_bb_p): New.
 513         * cfgloop.h (is_loop_exit): Renamed loop_exits_to_bb_p.
 514         (loop_exits_from_bb_p): Declared.
 515         * graphite-scop-detection.c (scopdet_basic_block_info): Call
 516         loop_exits_to_bb_p.
 517
 518 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 519
 520         * refined-regions.c: Include tree-pass.h, cfgloop.h, gimple.h, and
 521         tree-data-ref.h.
 522         (dot_regions_1): New.
 523         (dot_regions): New.
 524         * refined-regions.h (dot_regions): Declared.
 525         * Makefile.in (refined-regions.o): Update dependences.
 526
 527 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
 528
 529         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add an
 530         extra parameter for the region.  Call scev_analyzable_p.
 531         (rewrite_reductions_out_of_ssa): Update call to
 532         rewrite_close_phi_out_of_ssa.
 533         (rewrite_cross_bb_phi_deps): Same.
 534         (rewrite_commutative_reductions_out_of_ssa_loop): Add an extra
 535         parameter for the region.  Call scev_analyzable_p.
 536         (rewrite_commutative_reductions_out_of_ssa): Update call to
 537         rewrite_commutative_reductions_out_of_ssa_loop.
 538
 539 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
 540
 541         * gcc.dg/tree-ssa/pr20742.c: New.
 542
 543 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 544
 545         * sese.c (rename_uses): Call unshare_expr before force_gimple_operand.
 546
 547         * gcc.dg/graphite/id-23.c: New.
 548
 549 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 550
 551         * graphite-sese-to-poly.c (reduction_phi_p): Do not rewrite out of
 552         SSA scalar phi nodes that can be scev_analyzable_p.
 553
 554         * gfortran.dg/graphite/id-20.f: Adjust testcase.
 555
 556 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 557
 558         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Correctly
 559         handle SSA_NAME_IS_DEFAULT_DEF.
 560
 561 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 562
 563         * sese.c (rename_uses): Handl unconditionally gimple_debug statements.
 564
 565         * gcc.dg/graphite/pr42729.c: New.
 566
 567 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 568
 569         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Special
 570         case non close-phi nodes with one argument.
 571
 572 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 573
 574         * sese.h (scev_analyzable_p): Scevs could be expressions without
 575         chrecs and still be scev_analyzable_p.
 576
 577 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 578
 579         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
 580
 581 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 582
 583         * cfgloop.c (alloc_loop): Remove initialization of loop->single_iv.
 584         * cfgloop.h (struct loop): Remove single_iv field.
 585         * graphite-sese-to-poly.c (graphite_loop_normal_form): Removed.
 586         (scop_canonicalize_loops): Removed.
 587         (scop_ivs_can_be_represented): Do not use loop->single_iv.  Iterate
 588         over all the loop phi nodes in loop->header.
 589         (build_poly_scop): Remove use of scop_canonicalize_loops.
 590
 591 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 592
 593         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Also
 594         handle GIMPLE_CALL.
 595
 596 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 597
 598         * tree-chrec.c (chrec_apply): Should only apply to the specified
 599         variable.  Also handle multivariate chains of recurrences that
 600         satisfy evolution_function_is_affine_p.  Also handle CASE_CONVERT.
 601
 602 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 603
 604         * graphite-clast-to-gimple.c (debug_clast_name_index): Removed.
 605         (debug_clast_name_indexes_1): Removed.
 606         (debug_clast_name_indexes): Removed.
 607         (pbb_to_depth_to_oldiv): Removed.
 608         (build_iv_mapping): Replace the use of rename_map with iv_map.
 609         (translate_clast_user): Remove uses of rename_map.  Allocate and
 610         free iv_map.
 611         (translate_clast_for_loop): Remove uses of rename_map.
 612         (translate_clast_for): Same.
 613         (translate_clast_guard): Same.
 614         (translate_clast): Same.
 615         (gloog): Same.
 616         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Removed.
 617         * graphite-sese-to-poly.c (scev_analyzable_p): Moved...
 618         * sese.c (set_rename): Now static.
 619         (rename_variables_in_stmt): Removed.
 620         (rename_uses): New.
 621         (is_parameter): Removed.
 622         (is_iv): Removed.
 623         (expand_scalar_variables_call): Removed.
 624         (expand_scalar_variables_ssa_name): Removed.
 625         (expand_scalar_variables_expr): Removed.
 626         (expand_scalar_variables_stmt): Removed.
 627         (expand_scalar_variables): Removed.
 628         (rename_variables): Removed.
 629         (remove_condition): Removed.
 630         (get_true_edge_from_guard_bb): Removed.
 631         (get_false_edge_from_guard_bb): Removed.
 632         (struct igp): Removed.
 633         (default_before_guard): Removed.
 634         (convert_for_phi_arg): Removed.
 635         (add_guard_exit_phis): Removed.
 636         (insert_guard_phis): Removed.
 637         (graphite_copy_stmts_from_block): Now also uses iv_map and a
 638         region.  Do not copy conditions.  Do not copy induction variables.
 639         Call rename_uses.
 640         (copy_bb_and_scalar_dependences): Allocate a local rename_map for
 641         the translated statement.  Use the iv_map for the induction
 642         variable renaming.
 643         * sese.h (copy_bb_and_scalar_dependences): Update declaration.
 644         (set_rename): Removed declaration.
 645         (scev_analyzable_p): ...here.
 646         * tree-chrec.c (chrec_apply_map): New.
 647         * tree-chrec.h (chrec_apply_map): Declared.
 648
 649 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 650
 651         * graphite-clast-to-gimple.c (translate_clast_for_loop): Do not call
 652         insert_loop_close_phis.
 653         * sese.c (name_defined_in_loop_p): Removed.
 654         (expr_defined_in_loop_p): Removed.
 655         (alive_after_loop): Removed.
 656         (close_phi_not_yet_inserted_p): Removed.
 657         (struct alep): Removed.
 658         (add_loop_exit_phis): Removed.
 659         (insert_loop_close_phis): Removed.
 660
 661 2010-07-15  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 662
 663         * graphite-cloog-util.c (cloog_matrix_to_ppl_constraint): Fix flipped
 664         condition.
 665         * graphite-poly.c (psct_scattering_dim_for_loop_depth): Same.
 666
 667 2010-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 668
 669         * gfortran.dg/graphite/id-20.f: New.
 670
 671 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 672
 673         * graphite-cloog-util.h: Added cloog.h.
 674         * graphite-blocking.c: Removed cloog.h.
 675         * graphite-dependences.c: Same.
 676         * graphite-interchange.c: Same.
 677         * graphite-poly.c: Same.
 678         * graphite-ppl.c: Same.
 679         * graphite-scop-detection.c: Same.
 680         * graphite-sese-to-poly.c:
 681         Removed cloog.h.
 682         Removed graphite-clast-to-gimple.h.
 683         (check_poly_representation): Removed (unused).
 684         * graphite-sese-to-poly.h
 685         (check_poly_representation): Removed (unused).
 686
 687 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 688
 689         * Makefile.in
 690         (OBJS-common): Added graphite-cloog-util.o.
 691         (graphite-clast-to-gimple.o): Added graphite-cloog-util.h.
 692         (graphite-cloog-util.o): New.
 693         (graphite-ppl.o): Added graphite-cloog-util.h.
 694         * graphite-clast-to-gimple.c:
 695         Added graphite-cloog-util.h to include statements.
 696         * graphite-cloog-util.c: New.
 697         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.c.
 698         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 699         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 700         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 701         (ppl_Constrain_System_number_of_constraints): Same.
 702         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
 703         (oppose_constraint): Same.
 704         (cloog_matrix_to_ppl_constraint): Same.
 705         (new_Constraint_System_from_Cloog_Matrix): Same.
 706         (insert_constraint_into_matrix): Same. Declared static.
 707         * graphite-cloog-util.h: New.
 708         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.h.
 709         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 710         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 711         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 712         (insert_constraint_into_matrix): Same.
 713         * graphite-ppl.c:
 714         Added graphite-cloog-util.h to include statements.
 715         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to graphite-cloog-util.c.
 716         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 717         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 718         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 719         (insert_constraint_into_matrix): Same.
 720         (ppl_Constrain_System_number_of_constraints): Same.
 721         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
 722         (oppose_constraint): Same.
 723         (cloog_matrix_to_ppl_constraint): Same.
 724         (new_Constraint_System_from_Cloog_Matrix): Same.
 725         * graphite-ppl.h:
 726         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to
 727         graphite-cloog-util.h.
 728         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 729         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 730         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 731         (insert_constraint_into_matrix): Removed.
 732
 733 2010-07-04  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 734
 735         * graphite-clast-to-gimple.c
 736         (precision_for_value): Resolve value_* calls to matching mpz_* calls.
 737         (precision_for_interval): Same.
 738         (gcc_type_for_interval): Same.
 739         (compute_type_for_level): Same.
 740         * graphite-interchange.c
 741         (lst_interchange_profitable_p): Same.
 742         * graphite-poly.c
 743         (psct_scattering_dim_for_loop_depth): Same.
 744         * graphite-ppl.c
 745         (ppl_max_for_le_pointset): Same.
 746         (ppl_min_for_le_pointset): Same.
 747
 748 2010-06-25  Vladimir Kargov  <kargov@gmail.com>
 749
 750         * refined-regions.c (bb_index_compare): New.
 751         (get_bbs_in_region): New.
 752         (print_bbs_in_region): New.
 753         (print_refined_region): Add an argument that allows to print
 754         all basic blocks contained in regions.
 755         (debug_refined_region): Update call to print_refined_region.
 756         * refined-regions.h (print_refined_region): Update declaration.
 757         (get_bbs_in_region): Declared.
 758         * graphite-scop-detection.c (build_scops_new): Print the refined
 759         region tree into the Grahite dump file.
 760
 761 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 762
 763         * graphite-sese-to-poly.c (rewrite_degenerate_phi): New.
 764         (rewrite_reductions_out_of_ssa): Call it for degenerate_phi_result.
 765
 766 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 767
 768         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Call
 769         rewrite_close_phi_out_of_ssa.
 770
 771         * gcc.dg/graphite/id-22.c: New.
 772
 773 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 774
 775         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Remove dead code.
 776
 777 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 778
 779         * graphite-clast-to-gimple.c (build_iv_mapping): Rename map with
 780         rename_map.
 781         * sese.c (debug_rename_map): Same.
 782         (get_rename): Same.
 783         (set_rename): Same.
 784         (rename_variables_in_stmt): Same.
 785         (expand_scalar_variables_call): Same.
 786         (expand_scalar_variables_ssa_name): Same.
 787         (expand_scalar_variables_expr): Same.
 788         (expand_scalar_variables_stmt): Same.
 789         (expand_scalar_variables): Same.
 790         (rename_variables): Same.
 791         (graphite_copy_stmts_from_block): Same.
 792         (copy_bb_and_scalar_dependences): Same.
 793
 794 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 795
 796         * graphite-clast-to-gimple.c (copy_renames): Removed.
 797         (translate_clast_for): Do not call copy_renames.
 798         (translate_clast_guard): Same.
 799
 800 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 801
 802         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Moved up.
 803         (rewrite_cross_bb_phi_deps): Split out of rewrite_cross_bb_scalar_deps.
 804         (rewrite_cross_bb_scalar_deps_out_of_ssa): Run rewrite_cross_bb_phi_deps
 805         before rewrite_cross_bb_scalar_deps.
 806
 807 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 808
 809         * graphite-sese-to-poly.c (rewrite_commutative_reductions_out_of_ssa):
 810         Early return in when flag_associative_math is not set.
 811
 812 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 813
 814         * gcc.dg/graphite/run-id-2.c: Call abort.
 815
 816 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 817
 818         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Always insert out
 819         of SSA copies on edges except for loop->latch.
 820
 821 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 822
 823         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
 824         Split out of rewrite_reductions_out_of_ssa.
 825         * graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
 826         Declared.
 827         * graphite.c (graphite_transform_loops): Call it.
 828
 829 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 830
 831         * graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.
 832
 833 2010-06-15  Sebastian Pop  <sebastian.pop@amd.com>
 834
 835         * passes.c (init_optimization_passes): Add pass_graphite.
 836         Schedule a pass_copy_prop before pass_graphite_transforms.
 837         * timevar.def (TV_GRAPHITE): Declared.
 838         * tree-pass.h (pass_graphite): Declared.
 839         * tree-ssa-loop.c (pass_graphite): New.
 840
 841         * gcc.dg/graphite/id-20.c: New.
 842
 843 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 844
 845         * graphite-clast-to-gimple.c (gloog): Do not pass scops in parameter.
 846         Remove calls to rename_nb_iterations and rename_sese_parameters.
 847         * graphite-clast-to-gimple.h (gloog): Update declaration.
 848         * graphite.c (graphite_transform_loops): Update call to gloog.
 849         * sese.c (rename_variables_in_expr): Removed.
 850         (rename_nb_iterations): Removed.
 851         (rename_sese_parameters): Removed.
 852         * sese.h (rename_nb_iterations): Removed.
 853         (rename_sese_parameters): Removed.
 854
 855 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 856
 857         * graphite-clast-to-gimple.c (gloog): Remove call to
 858         sese_adjust_liveout_phis.
 859         * graphite-sese-to-poly.c (scev_analyzable_p): When scev returns an
 860         SSA_NAME, allow it to be handled by rewrite_cross_bb_scalar_deps.
 861         (rewrite_cross_bb_scalar_deps): Handle GIMPLE_PHI nodes: call
 862         rewrite_phi_out_of_ssa.
 863         * sese.c (get_vdef_before_sese): Removed.
 864         (sese_adjust_vphi): Removed.
 865         (sese_adjust_liveout_phis): Removed.
 866         * sese.h (sese_adjust_liveout_phis): Removed.
 867
 868 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 869
 870         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Pass an extra
 871         argument for the place after which to insert the out of SSA copy.
 872         (rewrite_close_phi_out_of_ssa): Update calls to insert_out_of_ssa_copy.
 873         (rewrite_phi_out_of_ssa): Same.
 874         (rewrite_cross_bb_scalar_deps): Same.
 875         (insert_copyout): Removed.
 876         (insert_copyin): Removed.
 877         (translate_scalar_reduction_to_array): Call insert_out_of_ssa_copy and
 878         insert_out_of_ssa_copy_on_edge instead of insert_copyout and
 879         insert_copyin.
 880
 881 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 882
 883         * graphite-sese-to-poly.c (build_scop_bbs): Not static anymore.
 884         (rewrite_reductions_out_of_ssa): Same.
 885         (rewrite_commutative_reductions_out_of_ssa): Same.
 886         (build_poly_scop): Do not call these functions.
 887         * graphite-sese-to-poly.h (build_poly_scop): Declared.
 888         (rewrite_reductions_out_of_ssa): Declared.
 889         (rewrite_commutative_reductions_out_of_ssa): Declared.
 890         * graphite.c (graphite_transform_loops): Call on every scop
 891         rewrite_commutative_reductions_out_of_ssa before calling
 892         rewrite_reductions_out_of_ssa and build_scop_bbs.
 893
 894 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 895
 896         * graphite-dependences.c (dot_deps): Make system call to dotty run
 897         in background.
 898         (dot_deps_stmt): Same.
 899         * graphite-poly.c (dot_lst): Same.
 900
 901 2010-06-11  Sebastian Pop  <sebastian.pop@amd.com>
 902
 903         * graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass
 904         old_type in parameter.
 905         (gcc_type_for_value): Update call to gcc_type_for_interval.
 906         (compute_type_for_level_1): Renamed compute_type_for_level.
 907         Update call to gcc_type_for_interval.
 908
 909 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
 910
 911         * tree-scalar-evolution.c (instantiate_scev_name): Do not fail
 912         the scev analysis when the variable is not used outside the loop
 913         in a close phi node: call compute_overall_effect_of_inner_loop.
 914
 915 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
 916
 917         * graphite-sese-to-poly.c (single_pred_cond): Renamed
 918         single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
 919         (build_sese_conditions_before): Renamed call to single_pred_cond.
 920         (build_sese_conditions_after): Same.
 921
 922 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
 923
 924         * graphite-poly.h: Fix comments and indentation.
 925         * graphite-sese-to-poly.c: Same.
 926         (build_sese_conditions_before): Compute stmt and gbb only when needed.
 927         * tree-chrec.c: Fix comments and indentation.
 928         (tree-ssa-loop-niter.c): Same.
 929
 930 2010-06-08  Tobias Grosser  <grosser@fim.uni-passau.de>
 931
 932         * refined-regions.c (create_region): Only initialize the region.
 933         (find_regions_with_entry): Initialize parent relation and bbmap
 934         correctly.
 935         (build_regions_tree): Set outermost_region to region instead of
 936         topmost_region.
 937         (calculate_region_tree): Remove unneeded parameters.
 938
 939 2010-06-02  Tobias Grosser  <grosser@fim.uni-passau.de>
 940
 941         * graphite-scop-detection.c (is_scop_p): New.
 942         (build_scops_new): New. A skeleton for the new scop detection.
 943         (build_scops_old): Renamed from build_scops.
 944         (build_scops): New version. Call the new and the old scop
 945         detection.
 946
 947 2010-05-27  Tobias Grosser  <grosser@fim.uni-passau.de>
 948             Antoniu Pop  <antoniu.pop@gmail.com>
 949
 950         * Makefile.in (OBJS-common): Add refined-regions.o.
 951         (refined-regions.o): New.
 952         (graphite-scop-detection.o): Use refined-regions.h.
 953         * graphite-scop-detection.c: Include refined-regions.h
 954         (build_scops): Also build the refined region tree.
 955         * refined-regions.c: New. Adds an algorithm to detect refined
 956         regions.
 957         (print_refined_region): New.
 958         (debug_refined_region): New.
 959         (refined_region_contains_bb_p): New.
 960         (refined_region_contains_region_p): New.
 961         (is_common_df): New.
 962         (struct find_regions_global_data): New.
 963         (is_region): New.
 964         (typedef struct bb_bb_def): New.
 965         (new_bb_bb_def): New.
 966         (bb_bb_map_hash): New.
 967         (eq_bb_bb_map): New.
 968         (find_new_bb): New.
 969         (bb_reg_def): New.
 970         (new_bb_reg_def): New.
 971         (bb_reg_map_hash): New.
 972         (eq_bb_reg_map): New.
 973         (find_new_region): New.
 974         (insert_new_reg): New.
 975         (insert_new_bb): New.
 976         (insert_shortcut): New.
 977         (get_next_postdom): New.
 978         (create_region): New.
 979         (find_regions_with_entry): New.
 980         (find_regions_adc): New.
 981         (find_regions): New.
 982         (get_topmost_parent): New.
 983         (build_regions_tree): New.
 984         (calculate_region_tree): New.
 985         (free_region_tree): New.
 986         * refined-regions.h: New.
 987         (struct refined_region): New.
 988         (calculate_region_tree): New.
 989         (free_region_tree): New.
 990         (refined_region_contains_bb_p): New.
 991         (refined_region_contains_region_p): New.
 992         (print_refined_region): New.
 993         (debug_refined_region): New.
 994
 995 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
 996
 997         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
 998         size_one_node.
 999
1000 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
1001
1002         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Fix
1003         type of integer_one_node for fold_build of POINTER_PLUS_EXPR.
1004
1005 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
1006
1007         * graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
1008         phi_arg_in_outermost_loop.
1009         (remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
1010         (remove_invariant_phi): Same.
1011
1012 2010-04-12  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1013
1014         * graphite-blocking.c
1015         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1016         * graphite-clast-to-gimple.c
1017         (clast_to_gcc_expression): Same.
1018         (precision_for_value): Same.
1019         (precision_for_interval): Same.
1020         (gcc_type_for_interval): Same.
1021         (graphite_create_new_guard): Same.
1022         (compute_bounds_for_level): Same.
1023         (graphite_create_new_loop_guard): Same.
1024         * graphite-interchange.c
1025         (build_linearized_memory_access): Same.
1026         (pdr_stride_in_loop): Same.
1027         (memory_strides_in_loop_1): Same.
1028         (memory_strides_in_loop): Same.
1029         (extend_scattering): Same.
1030         (psct_scattering_dim_for_loop_depth): Same.
1031         (pbb_number_of_iterations): Same.
1032         * graphite-poly.h
1033         (debug_iteration_domains): Same.
1034         * graphite-ppl.c
1035         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1036         (ppl_set_inhomogeneous_gmp): Same.
1037         (ppl_strip_loop): Same.
1038         (ppl_lexico_compare_linear_expressions): Same.
1039         (ppl_read_polyhedron_matrix): Same.
1040         (ppl_max_for_le_pointset): Same.
1041         * graphite-ppl.h
1042         (ppl_read_polyhedron_matrix): Same.
1043         (tree_int_to_gmp): Same.
1044         (gmp_cst_to_tree): Same.
1045         (ppl_set_inhomogeneous): Same.
1046         (ppl_set_inhomogeneous_tree): Same.
1047         (ppl_set_coef): Same.
1048         (ppl_set_coef_tree): Same.
1049         * graphite-sese-to-poly.c
1050         (build_pbb_scattering_polyhedrons): Same.
1051         (build_scop_scattering): Same.
1052         (scan_tree_for_params_right_scev): Same.
1053         (scan_tree_for_params): Same.
1054         (find_params_in_bb): Same.
1055         (find_scop_parameters): Same.
1056         (add_upper_bounds_from_estimated_nit): Same.
1057         (build_loop_iteration_domains): Same.
1058         (add_condition_to_domain): Same.
1059         (pdr_add_memory_accesses): Same.
1060
1061 2010-04-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1062
1063         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1064         CLooG's value_* macros to their respective mpz_* counterparts.
1065         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1066         (graphite_create_new_loop_guard): Same.
1067         * graphite-interchange.c (build_linearized_memory_access): Same.
1068         (pdr_stride_in_loop): Same.
1069         (memory_strides_in_loop_1): Same.
1070         (1st_interchange_profitable_p): Same.
1071         * graphite-poly.c (extend_scattering): Same.
1072         (psct_scattering_dim_for_loop_depth): Same.
1073         (pbb_number_of_iterations): Same.
1074         (pbb_number_of_iterations_at_time): Same.
1075         * graphite-poly.h (new_1st_loop): Same.
1076         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1077         (oppose_constraint): Same.
1078         (insert_constraint_into_matrix): Same.
1079         (ppl_set_inhomogeneous_gmp): Same.
1080         (ppl_set_coef_gmp): Same.
1081         (ppl_strip_loop): Same.
1082         (ppl_lexico_compare_linear_expressions): Same.
1083         (ppl_max_for_le_pointset): Same.
1084         (ppl_min_for_le_pointset): Same.
1085         (ppl_build_realtion): Same.
1086         * graphite-ppl.h (gmp_cst_to_tree): Same.
1087         (ppl_set_inhomogeneous): Same.
1088         (ppl_set_inhomogeneous_tree): Same.
1089         (ppl_set_coef): Same.
1090         (ppl_set_coef_tree): Same.
1091         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1092         (build_scop_scattering): Same.
1093         (add_value_to_dim): Same.
1094         (scan_tree_for_params_right_scev): Same.
1095         (scan_tree_for_params_int): Same.
1096         (scan_tree_for_params): Same.
1097         (find_params_in_bb): Same.
1098         (find_scop_parameters): Same.
1099         (add_upper_bounds_from_estimated_nit): Same.
1100         (build_loop_iteration_domains): Same.
1101         (create_linear_expr_from_tree): Same.
1102         (add_condition_to_domain): Same.
1103         (pdr_add_memory_accesses): Same.
1104
1105 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1106
1107         PR middle-end/43519
1108         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1109         lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
1110         When converting an unsigned type to signed, double its precision.
1111         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1112         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1113         (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
1114
1115 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1116
1117         PR middle-end/43519
1118         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1119         build_nonstandard_integer_type.
1120         (gcc_type_for_interval): Same.
1121
1122 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1123
1124         PR middle-end/43519
1125         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1126         POINTER_PLUS_EXPR for pointer types.
1127
1128         * gcc.dg/graphite/id-19.c: New.
1129
1130 2010-04-04  Sebastian Pop  <sebastian.pop@amd.com>
1131
1132         PR middle-end/43519
1133         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1134         * graphite-clast-to-gimple.c: Include langhooks.h.
1135         (max_signed_precision_type): New.
1136         (max_precision_type): Takes two types as arguments.
1137         (precision_for_value): New.
1138         (precision_for_interval): New.
1139         (gcc_type_for_interval): New.
1140         (gcc_type_for_value): New.
1141         (gcc_type_for_clast_term): New.
1142         (gcc_type_for_clast_red): New.
1143         (gcc_type_for_clast_bin): New.
1144         (gcc_type_for_clast_expr): Split up into several functions.
1145         (gcc_type_for_clast_eq): Rewritten.
1146         (compute_bounds_for_level): New.
1147         (compute_type_for_level_1): New.
1148         (compute_type_for_level): New.
1149         (gcc_type_for_cloog_iv): Removed.
1150         (gcc_type_for_iv_of_clast_loop): Rewritten.
1151         (graphite_create_new_loop): Compute the lower and upper bound types
1152         with gcc_type_for_clast_expr.
1153         (graphite_create_new_loop_guard): Same.
1154         (find_cloog_iv_in_expr): Removed.
1155         (compute_cloog_iv_types_1): Removed.
1156         (compute_cloog_iv_types): Removed.
1157         (gloog): Do not call compute_cloog_iv_types.
1158         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1159         GBB_CLOOG_IV_TYPES.
1160         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1161         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1162         (GBB_CLOOG_IV_TYPES): Removed.
1163
1164         * gcc.dg/graphite/run-id-pr42644.c: Call abort.
1165
1166 2010-04-02  Sebastian Pop  <sebastian.pop@amd.com>
1167
1168         Reverted this commit: as at this point the loop closed SSA form
1169         is under a canonical form respecting the single argument condition.
1170         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1171         close phi nodes may have more than one argument.
1172
1173 2010-04-01  Sebastian Pop  <sebastian.pop@amd.com>
1174
1175         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1176         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1177         (detect_commutative_reduction): Same.
1178
1179 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
1180
1181         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1182         close phi nodes may have more than one argument.
1183
1184 2010-03-30  Richard Guenther  <rguenther@suse.de>
1185             Zdenek Dvorak  <ook@ucw.cz>
1186             Sebastian Pop  <sebastian.pop@amd.com>
1187
1188         PR middle-end/43464
1189         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
1190         with multiple arguments.
1191         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
1192
1193 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1194
1195         * graphite-dependences.c (print_pddr): Call print_pdr with an
1196         extra argument.
1197         * graphite-poly.c (debug_pdr): Add an extra argument for the
1198         verbosity level.
1199         (print_pdr): Same.
1200         (print_pbb_domain): Same.
1201         (print_pbb): Same.
1202         (print_scop_context): Same.
1203         (print_scop): Same.
1204         (print_cloog): Same.
1205         (debug_pbb_domain): Same.
1206         (debug_pbb): Same.
1207         (print_pdrs): Same.
1208         (debug_pdrs): Same.
1209         (debug_scop_context): Same.
1210         (debug_scop): Same.
1211         (debug_cloog): Same.
1212         (print_scop_params): Same.
1213         (debug_scop_params): Same.
1214         (print_iteration_domain): Same.
1215         (print_iteration_domains): Same.
1216         (debug_iteration_domain): Same.
1217         (debug_iteration_domains): Same.
1218         (print_scattering_function): Same.
1219         (print_scattering_functions): Same.
1220         (debug_scattering_function): Same.
1221         (debug_scattering_functions): Same.
1222         * graphite-poly.h (debug_pdr): Update declaration.
1223         (print_pdr): Same.
1224         (print_pbb_domain): Same.
1225         (print_pbb): Same.
1226         (print_scop_context): Same.
1227         (print_scop): Same.
1228         (print_cloog): Same.
1229         (debug_pbb_domain): Same.
1230         (debug_pbb): Same.
1231         (print_pdrs): Same.
1232         (debug_pdrs): Same.
1233         (debug_scop_context): Same.
1234         (debug_scop): Same.
1235         (debug_cloog): Same.
1236         (print_scop_params): Same.
1237         (debug_scop_params): Same.
1238         (print_iteration_domain): Same.
1239         (print_iteration_domains): Same.
1240         (debug_iteration_domain): Same.
1241         (debug_iteration_domains): Same.
1242         (print_scattering_function): Same.
1243         (print_scattering_functions): Same.
1244         (debug_scattering_function): Same.
1245         (debug_scattering_functions): Same.
1246
1247 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1248
1249         * graphite-poly.c (print_scattering_function_1): New.
1250         (print_scattering_function): Call it.
1251         (print_scop_params): Remove spaces at the end of lines.
1252         (print_cloog): New.
1253         (debug_cloog): New.
1254         * graphite-poly.h (print_cloog): Declared.
1255         (debug_cloog): Declared.
1256
1257 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1258
1259         * tree-ssa-copy.c: Revert this previous change:
1260         (init_copy_prop): Loop closed phi nodes cancontain more than one
1261         argument.
1262         (execute_copy_prop): Revert the previous change: do not call
1263         rewrite_into_loop_closed_ssa.
1264
1265 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1266             Richard Guenther  <rguenther@suse.de>
1267
1268         PR middle-end/43464
1269         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
1270         contain more than one argument.
1271         (execute_copy_prop): Revert the previous change: do not call
1272         rewrite_into_loop_closed_ssa.
1273
1274         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
1275         * gcc.dg/graphite/id-pr43464-1.c: New.
1276
1277 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1278
1279         PR middle-end/43464
1280         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
1281         and verify_loop_closed_ssa when copy prop is executed in the LNO.
1282
1283         * gcc.dg/graphite/id-pr43464.c: New.
1284
1285 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1286
1287         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
1288         in loop->header.
1289         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
1290         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
1291         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
1292         to switch between adding the IV bump in loop->latch or in loop->header.
1293
1294 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1295
1296         * passes.c (init_optimization_passes): Add pass_copy_prop
1297         after Graphite.
1298
1299 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1300
1301         * graphite-poly.c (print_scattering_function): Pretty print following
1302         the scoplib format.
1303         (print_pdr): Same.
1304         (print_pbb_domain): Same.
1305         (dump_gbb_cases): Same.
1306         (dump_gbb_conditions): Same.
1307         (print_pdrs): Same.
1308         (print_pbb): Same.
1309         (print_scop_params): Same.
1310         (print_scop_context): Same.
1311         (print_scop): Same.
1312         (print_pbb_body): New.
1313         (lst_indent_to): New.
1314         (print_lst): Start new lines with a #.
1315         * graphite-poly.h (pbb_bb): New.
1316         (pbb_index): Use pbb_bb.
1317         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
1318         disjuncts.
1319         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
1320
1321 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1322
1323         PR middle-end/43351
1324         * gcc.dg/graphite/id-pr43351.c
1325
1326 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1327
1328         PR middle-end/43354
1329         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
1330         call insert_out_of_ssa_copy for default definitions.
1331         * gfortran.dg/graphite/id-pr43354.f: New.
1332
1333 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1334
1335         PR middle-end/43349
1336         * gfortran.dg/graphite/pr43349.f: New.
1337
1338 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
1339
1340         * graphite-clast-to-gimple.c (my_long_long): Defined.
1341         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
1342         * graphite-sese-to-poly.c (my_long_long): Defined.
1343         (scop_ivs_can_be_represented): Use it.
1344
1345 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1346
1347         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
1348         graphite-max-bbs-per-function, and loop-block-tile-size.
1349         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
1350         with "maximum".
1351         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
1352
1353 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1354
1355         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
1356         forward declaration.
1357         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
1358         (add_upper_bounds_from_estimated_nit): New.
1359         (build_loop_iteration_domains): Use it.
1360
1361 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1362
1363         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
1364
1365 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1366
1367         PR middle-end/43306
1368         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
1369         should be an INTEGER_CST.  Also handle CASE_CONVERT.
1370         * gcc.dg/graphite/pr43306.c: New.
1371
1372 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1373
1374         * graphite.c (graphite_initialize): To bound the number of bbs per
1375         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
1376         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
1377         * doc/invoke.texi: Document it.
1378
1379 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1380
1381         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
1382         * graphite-sese-to-poly.h (build_poly_scop): Same.
1383
1384 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1385
1386         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
1387         the number of parameters in the scop.  Use as an upper bound
1388         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
1389         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
1390         * doc/invoke.texi: Document it.
1391
1392 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1393
1394         * graphite-sese-to-poly.c (add_param_constraints): Use
1395         lower_bound_in_type and upper_bound_in_type.
1396
1397 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1398
1399         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
1400         instead of unsigned_type_node.
1401
1402 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1403             Reza Yazdani  <reza.yazdani@amd.com>
1404
1405         PR middle-end/43065
1406         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
1407         on pointer type parameters.
1408
1409         * gcc.dg/graphite/run-id-4.c: New.
1410
1411 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1412
1413         PR middle-end/43065
1414         * gcc.dg/graphite/run-id-3.c: New.
1415
1416 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
1417             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1418
1419         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
1420         handle conversions from pointer to integers.
1421         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
1422         induction variable, to be able to work with code generated by CLooG.
1423         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
1424         (build_poly_scop): Bail out if we cannot codegen a loop.
1425
1426 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
1427
1428         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
1429         code generation with gloog_error.
1430
1431 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1432
1433         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
1434         Call fold_convert on all the returned values.
1435         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
1436         the type of the resulting expression.
1437
1438 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1439
1440         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
1441         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
1442         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
1443
1444 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1445
1446         * graphite-dependences.c (map_into_dep_poly): Removed.
1447         (dependence_polyhedron_1): Use combine_context_id_scat.
1448
1449 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1450
1451         * graphite-poly.h (struct poly_scattering): Add layout documentation.
1452         (struct poly_bb): Same.
1453         (combine_context_id_scat): New.
1454
1455 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1456
1457         PR middle-end/42326
1458         * sese.c (name_defined_in_loop_p): Return false for default
1459         definitions.
1460
1461         * gcc.dg/graphite/pr42326.c: New.
1462
1463 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1464
1465         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
1466         and clean up the logic.
1467
1468 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1469
1470         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
1471         early return.
1472
1473 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1474
1475         PR middle-end/43083
1476         * graphite-scop-detection.c (create_single_exit_edge): Move
1477         the call to find_single_exit_edge to....
1478         (create_sese_edges): ...here.  Don't handle multiple edges
1479         exiting the function.
1480         (build_graphite_scops): Don't handle multiple edges
1481         exiting the function.
1482
1483         * gcc.dg/graphite/pr43083.c: New.
1484
1485 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1486
1487         PR middle-end/43097
1488         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1489         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1490
1491         * gfortran.dg/graphite/pr43097.f: New.
1492
1493 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1494             Manuel López-Ibáñez  <manu@gcc.gnu.org>
1495
1496         PR middle-end/43140
1497         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
1498
1499 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1500
1501         PR middle-end/43026
1502         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1503
1504         * g++.dg/graphite/pr43026.C: New.
1505
1506 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1507
1508         * Merge from mainline (154736:156693).
1509
1510 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
1511
1512         PR middle-end/43012
1513         * gcc.dg/graphite/pr43012.c: New.
1514
1515 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1516
1517         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
1518 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1519
1520         * g++.dg/graphite/pr42930.C: New.
1521
1522 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1523
1524         PR middle-end/42930
1525         * graphite-scop-detection.c (graphite_can_represent_scev): Call
1526         graphite_can_represent_init for MULT_EXPR.
1527
1528 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1529
1530         PR middle-end/42914
1531         PR middle-end/42530
1532         * graphite-sese-to-poly.c (remove_phi): New.
1533         (translate_scalar_reduction_to_array): Call remove_phi.
1534
1535         * gcc.dg/graphite/pr42530.c: New.
1536         * gcc.dg/graphite/pr42914.c: New.
1537
1538 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1539
1540         PR middle-end/42771
1541         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
1542         * graphite-clast-to-gimple.h (gloog): Update declaration.
1543         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
1544         * graphite-poly.h (struct poly_bb): Add missing comments.
1545         (struct scop): Add poly_scop_p field.
1546         (POLY_SCOP_P): New.
1547         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
1548         * graphite.c (graphite_transform_loops): Build the polyhedral
1549         representation for each scop before code generation.
1550         * sese.c (rename_variables_in_operand): Removed.
1551         (rename_variables_in_expr): Return the renamed expression.
1552         (rename_sese_parameters): New.
1553         * sese.h (rename_sese_parameters): Declared.
1554
1555         * gcc.dg/graphite/pr42771.c: New.
1556
1557 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1558
1559         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
1560         return 0 from main.
1561         * gcc.dg/graphite/block-1.c: Same.
1562         * gcc.dg/graphite/block-3.c: Same.
1563         * gcc.dg/graphite/block-4.c: Same.
1564         * gcc.dg/graphite/block-5.c: Same.
1565         * gcc.dg/graphite/block-6.c: Same.
1566         * gcc.dg/graphite/block-7.c: Same.
1567         * gcc.dg/graphite/interchange-0.c: Same.
1568         * gcc.dg/graphite/interchange-1.c: Same.
1569         * gcc.dg/graphite/interchange-10.c: Same.
1570         * gcc.dg/graphite/interchange-11.c: Same.
1571         * gcc.dg/graphite/interchange-12.c: Same.
1572         * gcc.dg/graphite/interchange-2.c: Same.
1573         * gcc.dg/graphite/interchange-3.c: Same.
1574         * gcc.dg/graphite/interchange-4.c: Same.
1575         * gcc.dg/graphite/interchange-5.c: Same.
1576         * gcc.dg/graphite/interchange-6.c: Same.
1577         * gcc.dg/graphite/interchange-7.c: Same.
1578         * gcc.dg/graphite/interchange-8.c: Same.
1579         * gcc.dg/graphite/interchange-9.c: Same.
1580         * gcc.dg/graphite/interchange-mvt.c: Same.
1581
1582 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1583
1584         * gfortran.dg/graphite/id-19.f: New.
1585         * gfortran.dg/graphite/pr14741.f90: New.
1586         * gfortran.dg/graphite/pr41924.f90: New.
1587         * gfortran.dg/graphite/run-id-2.f90: New.
1588
1589 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1590
1591         PR middle-end/42988
1592         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1593         to unknown_dependence.
1594         (graphite_legal_transform_dr): Handle the unknown_dependence.
1595         (graphite_carried_dependence_level_k): Same.
1596
1597 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1598
1599         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
1600
1601 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
1602             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
1603
1604         PR middle-end/42637
1605         * graphite-dependences.c (build_lexicographical_constraint): Return
1606         a union of dependence polyhedra.
1607         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
1608
1609         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
1610         * gcc.dg/graphite/block-4.c: Same.
1611         * gcc.dg/graphite/block-7.c: Same.
1612         * gcc.dg/graphite/interchange-12.c: Same.
1613         * gcc.dg/graphite/interchange-mvt.c: Same.
1614         * gfortran.dg/graphite/interchange-1.f: XFAILed.
1615         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
1616         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
1617
1618 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1619
1620         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
1621         the execution check to FAIL.  This testcase is miscompiled by Graphite
1622         and the check should be re-enabled.
1623         * gcc.dg/graphite/interchange-mvt.c: Same.
1624         * gcc.dg/graphite/block-0.c: Same.
1625         * gcc.dg/graphite/block-4.c: Same.
1626         * gcc.dg/graphite/block-7.c: Same.
1627
1628 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1629
1630         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
1631         * gcc.dg/graphite/scop-0.c: Fix spaces.
1632         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
1633         * gfortran.dg/graphite/block-2.f: Same.
1634         * gfortran.dg/graphite/block-3.f90: Same.
1635         * gfortran.dg/graphite/block-4.f90: Same.
1636         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
1637         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
1638
1639 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1640
1641         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
1642         PDDR_ORIGINAL_SCATTERING_P.
1643         (pddr_is_empty): Rewritten.
1644         (print_dependence_polyhedron_layout): New.
1645         (print_pddr): New.
1646         (debug_pddr): New.
1647         (build_alias_set_powerset): Moved up.
1648         (poly_drs_may_alias_p): Moved up.
1649         (lexicographically_gt_p): Removed.
1650         (build_lexicographically_gt_constraint): Renamed
1651         build_lexicographical_constraint, reimplemented.
1652         (dependence_polyhedron_1): Simplified parameters.
1653         (dependence_polyhedron): Same.  Keep along empty PDDRs
1654         to make efficient use of the cache.
1655         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
1656         (graphite_legal_transform_dr): Rewritten.
1657         (graphite_legal_transform_bb): Pass fewer arguments to
1658         graphite_legal_transform_dr.
1659         (graphite_carried_dependence_level_k): Simplified implementation.
1660         (dot_original_deps_stmt_1): Call dependence_polyhedron.
1661         (dot_transformed_deps_stmt_1): Same.
1662         (dot_original_deps): Same.
1663         (dot_transformed_deps): Same.
1664         * graphite-dependences.h (struct poly_ddr): Added a new field
1665         original_scattering_p.
1666         (PDDR_ORIGINAL_SCATTERING_P): New.
1667         (print_pddr): Declared.
1668         (debug_pddr): Declared.
1669         * graphite-ppl.c: Clarify comment.
1670         * sese.h (print_gimple_bb): Removed unused declaration.
1671         (debug_gbb): Same.
1672
1673 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1674
1675         * g++.dg/graphite/graphite.exp: Rewritten.
1676         * gcc.dg/graphite/graphite.exp: Rewritten.
1677         * gfortran.dg/graphite/graphite.exp: Rewritten.
1678         * gcc.dg/graphite/block-0.c: Added runtime test.
1679         * gcc.dg/graphite/block-1.c: Same.
1680         * gcc.dg/graphite/block-3.c: Same.
1681         * gcc.dg/graphite/block-4.c: Same.
1682         * gcc.dg/graphite/block-5.c: Same.
1683         * gcc.dg/graphite/block-6.c: Same.
1684         * gcc.dg/graphite/block-7.c: Same.
1685         * gcc.dg/graphite/interchange-0.c: Same.
1686         * gcc.dg/graphite/interchange-1.c: Same.
1687         * gcc.dg/graphite/interchange-10.c: Same.
1688         * gcc.dg/graphite/interchange-11.c: Same.
1689         * gcc.dg/graphite/interchange-12.c: Same.
1690         * gcc.dg/graphite/interchange-2.c: Same.
1691         * gcc.dg/graphite/interchange-3.c: Same.
1692         * gcc.dg/graphite/interchange-4.c: Same.
1693         * gcc.dg/graphite/interchange-5.c: Same.
1694         * gcc.dg/graphite/interchange-6.c: Same.
1695         * gcc.dg/graphite/interchange-7.c: Same.
1696         * gcc.dg/graphite/interchange-8.c: Same.
1697         * gcc.dg/graphite/interchange-9.c: Same.
1698         * gcc.dg/graphite/interchange-mvt.c: Same.
1699         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
1700
1701 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1702
1703         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
1704           background.
1705
1706 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1707
1708         * common.opt: Add -fgraphite-cloog-opts.
1709         * graphite-clast-to-gimple.c (set_cloog_options): Same.
1710         * opts.c (decode_options): Same.
1711
1712 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1713
1714         * gcc.dg/graphite/id-17.c: New.
1715         * gcc.dg/graphite/pr41888.c: New.
1716         * gcc.dg/graphite/scop-22.c: New.
1717         * gfortran.dg/graphite/pr40982.f90: New.
1718
1719 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1720
1721         * graphite-dependences.c: Clarify comments.
1722         (build_pddr): Add an extra parameter direction.
1723         (graphite_legal_transform_dr): Use build_pddr.
1724         (dot_original_deps_stmt_1): Update use of build_pddr.
1725         (dot_transformed_deps_stmt_1): Same.
1726         (dot_original_deps): Same.
1727         (dot_transformed_deps): Same.
1728
1729         * gcc.dg/graphite/interchange-12.c: New.
1730         * gcc.dg/graphite/block-7.c: New.
1731
1732 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1733
1734         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
1735         (pddr_transformed_scattering): Removed.
1736         (graphite_legal_transform_dr): Use build_pddr.
1737         (dot_original_deps_stmt_1): Same.
1738         (dot_transformed_deps_stmt_1): Same.
1739         (dot_original_deps): Same.
1740         (dot_transformed_deps): Same.
1741
1742 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1743
1744         * graphite-dependences.c (lexicographically_gt_p): Add comments.
1745         (build_lexicographically_gt_constraint): Same.
1746         (dependence_polyhedron_1): Same.
1747         (dependence_polyhedron): Same.
1748
1749 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1750
1751         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
1752         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
1753         (lexicographically_gt_p): Change type of direction to int.
1754         (build_lexicographically_gt_constraint): Same.
1755         (dependence_polyhedron_1): Same.
1756         (dependence_polyhedron): Same.
1757         (pddr_original_scattering): Use integers for direction.
1758         (pddr_transformed_scattering): Same.
1759         (graphite_legal_transform_dr): Same.
1760         (graphite_carried_dependence_level_k): Same.
1761
1762 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1763
1764         * graphite-dependences.c (build_pairwise_constraint): Renamed
1765         ppl_build_relation.  Moved...
1766         (dr_equality_constraints): Use ppl_build_relation.
1767         (build_pairwise_scheduling_equality): Same.
1768         (build_pairwise_scheduling_inequality): Same.
1769         * graphite-ppl.c (ppl_build_relation): ...here.
1770         * graphite-ppl.h (ppl_build_relation): Declared.
1771
1772 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
1773
1774         PR middle-end/42681
1775         * graphite-clast-to-gimple.c (gloog_error): New static variable.
1776         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
1777         Set gloog_error when such an expression failed to be built.
1778         (translate_clast): Early return when gloog_error is set.
1779         (gloog): Clear gloog_error.  When gloog_error is set, call
1780         set_ifsese_condition to enable the original code.  Return the status
1781         of the code generation based on gloog_error.
1782         * sese.c (set_ifsese_condition): New.
1783         * sese.h (set_ifsese_condition): Declared.
1784
1785         * g++.dg/graphite/pr42681.C: New.
1786
1787 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
1788
1789         PR middle-end/42732
1790         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
1791         rename_nb_iterations.
1792         * sese.c (rename_variables_in_operand): New.
1793         (rename_variables_in_expr): New.
1794         (rename_nb_iterations): New.
1795         (sese_adjust_liveout_phis): Update the rename_map.
1796         * sese.h (rename_nb_iterations): Declared.
1797         * tree-scalar-evolution.c (scev_reset_htab): New.
1798         (scev_reset): Call scev_reset_htab.
1799         * tree-scalar-evolution.h (scev_reset_htab): Declared.
1800
1801         * gfortran.dg/graphite/pr42732.f: New.
1802
1803 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1804
1805         PR middle-end/42393
1806         * graphite-clast-to-gimple.c: Fix formatting.
1807         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
1808         (expr_defined_in_loop_p): New.
1809         (add_loop_exit_phis): Also handle full expressions: remove from
1810         the rename_map the expressions defined in the loop that we're closing.
1811
1812         * gfortran.dg/graphite/pr42393-1.f90: New.
1813         * gfortran.dg/graphite/pr42393.f90: Add new flags
1814         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
1815         make this testcase useful in the Graphite branch.
1816
1817 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1818
1819         * graphite-scop-detection.c (exclude_component_ref): Removed.
1820         (is_simple_operand): Removed.
1821         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
1822
1823 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1824
1825         PR middle-end/42221
1826         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
1827         the array indexing of ADDR_EXPRs.
1828
1829         * gcc.dg/graphite/pr42221.c: New.
1830
1831 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1832
1833         PR middle-end/42521
1834         * graphite.c (graphite_finalize): Call scev_reset.
1835         (graphite_transform_loops): Do not call scev_reset between the code
1836         generation of scops.
1837
1838         * gcc.dg/graphite/pr42521.c: New.
1839
1840 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1841
1842         * graphite-interchange.c (memory_stride_in_loop): Renamed
1843         pdr_stride_in_loop.
1844         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
1845         (memory_strides_in_loop): Memoize the memory strides per loop.
1846         (lst_interchange_profitable_p): Do not initialize to zero the memory
1847         strides.
1848         * graphite-poly.h (struct lst): Add a field memory_strides.
1849         (LST_LOOP_MEMORY_STRIDES): New.
1850         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
1851         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
1852
1853 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1854
1855         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
1856         memory_strides_in_loop.  Gather memory strides on a whole loop.
1857         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
1858         (lst_interchange_profitable_p): Removed.
1859         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
1860
1861 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1862
1863         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1864         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
1865         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
1866         Remove context_loop and level.
1867
1868 2010-01-07  Richard Guenther  <rguenther@suse.de>
1869
1870         PR tree-optimization/42641
1871         * sese.c (rename_map_elt_info): Use the SSA name version, do
1872         not hash pointers.
1873
1874 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1875
1876         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
1877         blocked" only when both the strip mine and the interchange have
1878         been applied.
1879
1880         * gcc.dg/graphite/block-2.c: Removed.
1881         * gcc.dg/graphite/block-3.c: Add scan pattern.
1882         * gcc.dg/graphite/block-4.c: Same.
1883         * gcc.dg/graphite/block-5.c: Same.
1884         * gcc.dg/graphite/block-6.c: Same.
1885
1886 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1887
1888         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
1889         before allocating a new one.
1890         (copy_renames): Check that slot is not NULL.
1891         (mark_bb_with_pbb): Same.
1892         (compute_cloog_iv_types_1): Same.
1893         * graphite-interchange.c (lst_perfect_nestify): Free the before,
1894         nest, and after LSTs.
1895         (lst_try_interchange_loops): Same.
1896
1897 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
1898
1899         PR middle-end/42178
1900         * graphite-interchange.c (lst_try_interchange_loops): Do not return
1901         the before, nest, and after LSTs.
1902         (lst_try_interchange): Removed.
1903         (lst_interchange_select_inner): Do not iterate over the LSTs if they
1904         were modified.
1905         (lst_interchange_select_outer): Apply interchange on the outer loop
1906         until there are no more changes in the inner loops.
1907
1908 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1909
1910         Revert patch fixing PR middle-end/42221.
1911
1912 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1913
1914         PR middle-end/42180
1915         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
1916         GIMPLE_CALL.
1917
1918         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
1919
1920 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1921
1922         PR middle-end/42180
1923         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
1924         that contain only one statement.
1925
1926         * gfortran.dg/graphite/pr42180.f90: New.
1927
1928 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1929
1930         PR middle-end/42393
1931         * gfortran.dg/graphite/pr42393.f90: New.
1932
1933 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1934
1935         PR middle-end/42186
1936         * gfortran.dg/graphite/pr42186.f90: New.
1937
1938 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1939
1940         PR middle-end/42205
1941         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
1942         Insert the reduction copy in the same block as the phi node.
1943         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
1944
1945         * gcc.dg/graphite/pr42205-1.c: New.
1946         * gcc.dg/graphite/pr42205-2.c: New.
1947
1948 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1949
1950         PR middle-end/42221
1951         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
1952         the array indexing of ADDR_EXPRs.
1953
1954         * gcc.dg/graphite/pr42221.c: New.
1955
1956 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1957
1958         PR middle-end/42178
1959         PR middle-end/42334
1960         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
1961         index.  Call lst_interchange_select_inner only once.
1962         (lst_interchange_select_inner): Update use of lst_try_interchange.
1963         (lst_interchange_select_outer): Update.
1964
1965 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
1966
1967         PR middle-end/42178
1968         PR middle-end/42334
1969         * graphite-interchange.c (lst_try_interchange): Do not increment the
1970         the OUTER index when there is no AFTER kernel.  Do not increment the
1971         OUTER index for after processing the AFTER kernel.
1972         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
1973         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
1974         index.  Do not pass to lst_interchange_select_inner the OUTER index.
1975         (scop_do_interchange): Update use of lst_interchange_select_outer.
1976
1977         * gfortran.dg/graphite/graphite.exp
1978         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
1979         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
1980         the graphite dump file.
1981         * gfortran.dg/graphite/interchange-2.f: Same.
1982         * gfortran.dg/graphite/pr42334-1.f: New.
1983
1984 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
1985
1986         PR middle-end/42178
1987         PR middle-end/42334
1988         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
1989         that are empty.
1990         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
1991         (lst_try_interchange): Reimplemented.
1992         (lst_interchange_select_inner): Same.
1993         (lst_do_interchange): Renamed lst_interchange_select_outer.
1994         Reimplemented.
1995         (scop_do_interchange): Update use of lst_interchange_select_outer.
1996
1997         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
1998         * gcc.dg/graphite/block-0.c: Un-XFAILed.
1999         * gcc.dg/graphite/pr42211.c: New.
2000         * gfortran.dg/graphite/pr42334.f90: New.
2001
2002 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
2003
2004         PR middle-end/42181
2005         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
2006         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
2007
2008         * gfortran.dg/graphite/pr42181.f90: New.
2009
2010 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
2011
2012         PR middle-end/42284
2013         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
2014         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
2015         (detect_commutative_reduction_arg): Simplified.
2016         (detect_commutative_reduction): Early return when the argument of
2017         the close phi is not of an SSA_NAME.
2018
2019         * gcc.dg/graphite/pr42284.c: New.
2020
2021 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
2022
2023         * dbgcnt.def (graphite_scop): New counter.
2024         * graphite.c: Include dbgcnt.h
2025         (graphite_transform_loops): Use new counter to limit transformations.
2026
2027 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
2028
2029         PR middle-end/42285
2030         * graphite-scop-detection.c (graphite_can_represent_init): Also
2031         handle more complex MULT_EXPRs containing parameters by recursion
2032         on the structure.
2033
2034         * gfortran.dg/graphite/pr42285.f90: New.
2035
2036 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2037
2038         * g++.dg/graphite/pr42130.C: Fix type.
2039
2040 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
2041
2042         * g++.dg/graphite/pr42130.C: Correct testcase.
2043
2044 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2045
2046         * Merge from mainline (154493:154734).
2047
2048 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2049
2050         * Merge from mainline (151362:154491).
2051
2052 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2053
2054         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
2055         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
2056
2057 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2058
2059         PR middle-end/42130
2060         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
2061         translate_clast_for_loop): New.
2062         (translate_clast_for): Add a condition around the loop, to do not
2063         execute loops with zero iterations.
2064         * g++.dg/graphite/pr42130.C: New.
2065         * gcc.dg/graphite/pr35356-2.c: Adapt.
2066
2067 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2068
2069         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
2070         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
2071         Remove context_loop and level.
2072
2073 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2074
2075         * graphite-clast-to-gimple.c (translate_clast_user,
2076         translate_clast_for, translate_clast_guard): Simplify and move common
2077         elements to translate_clast().
2078         (translate_clast): Simplify and get common elements.
2079
2080 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2081
2082         * graphite-clast-to-gimple.c (translate_clast_user,
2083         translate_clast_for, translate_clast_guard): Split out of
2084         translate_clast.
2085
2086 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
2087
2088         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
2089         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
2090         debug_clast_name_indexes_1, debug_clast_name_indexes,
2091         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
2092         (clast_name_to_gcc, clast_to_gcc_expression,
2093         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
2094         gcc_type_for_clast_eq, graphite_translate_clast_equation,
2095         graphite_create_guard_cond_expr, graphite_create_new_loop,
2096         translate_clast): Add params_index.
2097         (initialize_cloog_names): Create parameter strings from scratch, do
2098         not reference other strings.
2099         (create_params_index): New.
2100         (gloog): Initialize params_index.
2101         * graphite-scop-detection (free_scops_1): Removed.
2102         (limit_scops): Use normal free_scops.
2103         * graphite-sese-to-poly.c (save_var_names): Removed.
2104         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
2105         and SESE_PARAMS_INDEX.
2106         * sese.c (new_sese, free_sese): Dito.
2107         * sese.h (struct sese): Remove params_index, params_names.
2108         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
2109
2110 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2111
2112         Revert the following patch from 2009-09-14:
2113         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2114         tree-scalar-evolution.h, and then tree-data-ref.h.
2115         * graphite-clast-to-gimple.c: Same.
2116         * graphite-dependences.c: Same.
2117         * graphite-interchange.c: Same.
2118         * graphite-poly.c: Same.
2119         * graphite-scop-detection.c: Same.
2120         * graphite-sese-to-poly.c: Same.
2121         * graphite.c: Same.
2122         * lambda-code.c: Same.
2123         * matrix-reorg.c: Same.
2124         * tree-data-ref.c: Same.
2125         * tree-if-conv.c: Same.
2126         * tree-loop-distribu: Same.: Same.
2127         * tree-loop-linear.c: Same.
2128         * tree-parloops.c: Same.
2129         * tree-predcom.c: Same.
2130         * tree-vect-patterns.c: Same.
2131
2132 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2133
2134         Revert patch from 2009-09-14.
2135         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
2136         passes at -O1 and below.
2137
2138 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2139
2140         PR middle-end/40281
2141         * gcc.dg/graphite/pr40281.c: New.
2142
2143         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
2144         evolutions should not variate in inner loops.
2145
2146 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2147
2148         PR middle-end/42050
2149         * gfortran.dg/graphite/pr42050.f90: New.
2150
2151 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2152
2153         * graphite-interchange.c (memory_strides_in_loop_depth): New.
2154         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
2155
2156 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2157
2158         * graphite-blocking.c (scop_do_block): New.
2159         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
2160         * graphite-poly.h (scop_do_block): Declared.
2161
2162 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2163
2164         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
2165         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
2166         to transform depth into the time_depth before calling
2167         pbb_number_of_iterations_at_time.
2168         (lst_do_strip_mine): Use a scalar variable instead of recomputing
2169         lst_depth.
2170
2171 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2172
2173         Reverted the patch for "scattering permutations" from 2009-10-28.
2174
2175         * graphite-poly.c (print_permutation): New.
2176         (debug_permutation): New.
2177         (new_poly_bb): Initialize PBB_PERMUTATION.
2178         (free_poly_bb): Free PBB_PERMUTATION.
2179         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2180         (struct pbb_permutation_elt): New.
2181         (PBB_PERMUTATION_ELT_STRIDE): New.
2182         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2183         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2184         (new_pbb_permutation_elt): New.
2185         (pbb_permutation_elt_free): New.
2186         (struct poly_bb): Add field permutation.
2187         (PBB_PERMUTATION): New.
2188         (print_permutation): Declared.
2189         (debug_permutation): Declared.
2190
2191 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
2192
2193         * graphite-interchange.c (build_partial_difference): New.
2194         (memory_stride_in_loop): Refactored the computation of
2195         equality constraints into build_partial_difference function.
2196         Added support for debugging stride computations.
2197
2198 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2199
2200         * graphite-clast-to-gimple.c (gloog): Free if_region,
2201         if_region->true_region, and if_region->region.
2202         * sese.c (if_region_set_false_region): Free if_region->false_region.
2203         (create_if_region_on_edge): Do not use GGC_NEW.
2204         (move_sese_in_condition): Remove useless initialization.
2205
2206 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2207
2208         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
2209         for the loops created by the loop distribution.  Do not modify the
2210         input LSTs.
2211         (lst_try_interchange_loops): Same.  Use a temporary LST for the
2212         transformed schedule.  Call lst_update_scattering before data
2213         dependence analysis.
2214         (lst_try_interchange): Pass an extra parameter INDEX.
2215         (lst_do_interchange_1): New.
2216         (lst_do_interchange): Call lst_do_interchange_1.
2217         (scop_do_interchange): Call lst_update_scattering.
2218         * graphite-poly.c (apply_poly_transforms): Do not call
2219         lst_update_scattering.
2220         * graphite-poly.h (lst_pred): New.
2221         (lst_succ): New.
2222         (lst_find_first_pbb): Return NULL when not found.
2223         (lst_empty_p): New.
2224         (lst_insert_in_sequence): Allow LST1 to be NULL.
2225         (lst_replace): New.
2226         (lst_substitute_3): New.
2227         * gcc.dg/graphite/interchange-1.c: XFail.
2228         * gcc.dg/graphite/interchange-8.c: XFail.
2229         * gcc.dg/graphite/interchange-11.c: XFail.
2230
2231 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2232
2233         * graphite-interchange.c (lst_perfectly_nested_p): New.
2234         (lst_perfect_nestify): New.
2235         (lst_try_interchange_loops): Call store_lst_schedule,
2236         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
2237         (scop_do_interchange): Avoid redundant legality test.
2238         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
2239         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
2240         * graphite-poly.h (psct_static_dim): New.
2241         (lst_dewey_number_at_depth): New.
2242         (lst_find_pbb): Restructured.
2243         (lst_find_first_pbb): Restructured.
2244         (lst_find_last_pbb): New.
2245         (lst_contains_p): New.
2246         (lst_contains_pbb): New.
2247         (lst_create_nest): New.
2248         (lst_remove_from_sequence): New.
2249         (pbb_update_scattering): New.
2250         (lst_update_scattering_under): New.
2251         (lst_update_scattering_seq): New.
2252         (lst_update_scattering): New.
2253         (lst_insert_in_sequence): New.
2254         (lst_distribute_lst): New.
2255         (lst_remove_all_before_including_pbb): New.
2256         (lst_remove_all_before_excluding_pbb): New.
2257
2258 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2259
2260         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
2261         get_loop_exit_edges.
2262
2263 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2264
2265         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
2266
2267 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2268
2269         * graphite-poly.c (print_permutation): New.
2270         (debug_permutation): New.
2271         (new_poly_bb): Initialize PBB_PERMUTATION.
2272         (free_poly_bb): Free PBB_PERMUTATION.
2273         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2274         (struct pbb_permutation_elt): New.
2275         (PBB_PERMUTATION_ELT_STRIDE): New.
2276         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2277         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2278         (new_pbb_permutation_elt): New.
2279         (pbb_permutation_elt_free): New.
2280         (struct poly_bb): Add field permutation.
2281         (PBB_PERMUTATION): New.
2282         (print_permutation): Declared.
2283         (debug_permutation): Declared.
2284
2285 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2286
2287         * graphite-clast-to-gimple.c (gloog): Do not call
2288         sese_reset_aux_in_loops.
2289         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
2290         extra argument for domains.  Do not use loop->aux.
2291         (build_scop_iteration_domain): Initialize and free domains, pass it
2292         to build_loop_iteration_domains and extract the information from
2293         domains.  Do not use loop->aux.
2294         * sese.c (sese_reset_aux_in_loops): Removed.
2295         * sese.h (sese_reset_aux_in_loops): Removed.
2296
2297 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2298
2299         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
2300         (dependency_in_loop_p): Same.
2301         (translate_clast): Do not use loop->aux.  Initialize
2302         loop->can_be_parallel.
2303         (mark_loops_parallel): Removed.
2304         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
2305         * graphite.c (free_aux_in_new_loops): Removed.
2306         (graphite_finalize): Do not call free_aux_in_new_loops.
2307         (graphite_transform_loops): Do not call mark_loops_parallel.
2308
2309 2009-10-26  Li Feng  <nemokingdom@gmail.com>
2310
2311         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
2312         (translate_clast): Pass an extra parameter LEVEL.
2313         Call get_scattering_level.
2314         * graphite-clast-to-gimple.h (get_scattering_level): New.
2315
2316 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2317
2318         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
2319         * cfgloop.h (struct loop): New field single_iv.
2320
2321         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
2322         loop->aux anymore: use loop->single_iv.
2323         (graphite_loop_normal_form): Moved...
2324         (build_graphite_loop_normal_form): Removed.
2325         (gloog): Do not call build_graphite_loop_normal_form.
2326         (free_aux_in_new_loops): Moved...
2327         (mark_loops_parallel): Restructure.
2328         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
2329         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
2330         (scop_canonicalize_loops): New.
2331         (build_poly_scop): Call scop_canonicalize_loops.
2332         * graphite.c (free_aux_in_new_loops): ...here.
2333
2334 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2335
2336         * g++.dg/graphite/graphite.exp: Add the same rules as in
2337         gcc.dg/graphite/graphite.exp.
2338
2339 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2340
2341         * g++.dg/graphite/id-1.C: New.
2342
2343 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2344
2345         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
2346         argument base_name.
2347         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
2348         (rewrite_phi_out_of_ssa): Same.
2349         (rewrite_cross_bb_scalar_deps): Same.
2350         (translate_scalar_reduction_to_array): Same.
2351
2352 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2353
2354         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
2355         dump_alias_graphs.
2356
2357 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2358
2359         * graphite-sese-to-poly.c (dump_alias_graphs): New.
2360         (build_scop_drs): Call dump_alias_graphs.
2361
2362 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2363
2364         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
2365         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2366         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
2367         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2368         * graphite-poly.h (free_lst): New.
2369         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
2370         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
2371
2372 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2373
2374         * graphite-poly.h (struct scop): Add a field saved_schedule.
2375         (SCOP_SAVED_SCHEDULE): New.
2376         (store_lst_schedule): New.
2377         (restore_lst_schedule): New.
2378         (store_scattering): Call store_lst_schedule.
2379         (restore_scattering): Call restore_lst_schedule.
2380
2381 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2382
2383         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
2384         (pdr_add_alias_set): Same.
2385         (build_poly_dr): Same.
2386         (build_alias_set_optimal_p): Same.
2387         (build_base_obj_set_for_drs): Same.  Do not store the result of
2388         graphds_dfs.
2389
2390 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2391
2392         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
2393         all_components_are_cliques to 1.
2394
2395 2009-10-20  Li Feng  <nemokingdom@gmail.com>
2396
2397         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
2398         the new structure.
2399         (pdr_add_alias_set): Update retrieving alias_set_num.
2400         (build_poly_dr): Update retrieving dr_base_object_set.
2401         (partition_drs_to_sets): Remove.
2402         (build_alias_set_optimal_p): New.
2403         (build_alias_set_for_drs): Rename.
2404         (build_scop_drs): Update.
2405         * graphite-sese-to-poly.h (struct base_alias_pair): New.
2406         (ALIAS_SET_INDEX): Remove.
2407         (BASE_OBJECT_SET_INDEX): Remove.
2408
2409 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2410
2411         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
2412
2413 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2414
2415         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
2416         loop upper bounds for 1-element arrays at end of structures.
2417         * tree-flow.h (array_at_struct_end_p): Declared.
2418         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
2419
2420 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2421
2422         * g++.dg/graphite/pr41305.C: New.
2423
2424 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
2425
2426         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
2427         construction of parameter constraints from loop iteration analysis.
2428         * gcc.dg/graphite/run-id-2.c: New test.
2429
2430 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2431
2432         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
2433         and new_cstr.
2434
2435 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2436
2437         * graphite-dependences.c (dependence_polyhedron_1): Remove
2438         unused gdim dimensions from the DDR polyhedron.
2439
2440 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2441
2442         * graphite-dependences.c (pddr_transformed_scattering): New.
2443         (dot_original_deps_stmt_1): New.
2444         (dot_transformed_deps_stmt_1): New.
2445         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
2446         dot_transformed_deps_stmt_1.
2447         (dot_original_deps): New.
2448         (dot_transformed_deps): New.
2449         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
2450
2451 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2452
2453         * graphite-dependences.c (reduction_dr_1): Remove wrong
2454         assert: reduction BBs can have multiple reduction writes
2455         to memory.  interchange-3.f90 is an example.
2456
2457 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2458
2459         * gfortran.dg/graphite/interchange-3.f90: New.
2460
2461 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2462
2463         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
2464
2465 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2466
2467         * graphite-dependences.c (dependence_polyhedron_1): Add the
2468         context to the dependence polyhedron.
2469
2470 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2471
2472         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
2473         PBB_PDR_DUPLICATES_REMOVED.
2474         (new_poly_bb): Same.
2475
2476 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2477
2478         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
2479         SCOP_CONTEXT.
2480         (build_loop_iteration_domains): Extract bounds on parameters
2481         based on the data size.
2482         (build_scop_context): Do not initialize SCOP_CONTEXT;
2483         add new constraints.
2484
2485 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2486
2487         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
2488         * graphite-ppl.h (graphite-ppl.h): Declared.
2489
2490 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2491
2492         * graphite-ppl.c (ppl_print_linear_expr): New.
2493         (debug_ppl_linear_expr): New.
2494         * graphite-ppl.h (ppl_print_linear_expr): Declared.
2495         (debug_ppl_linear_expr): Declared.
2496
2497 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2498
2499         * graphite-interchange.c: Fix comments.
2500         * gcc.dg/graphite/block-1.c: Fix comments.
2501
2502 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2503
2504         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
2505         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
2506
2507 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2508
2509         Reapply the patch from Alexander Monakov that disappeared during
2510         the last merges from trunk.
2511
2512         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
2513
2514         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
2515         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
2516
2517 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2518
2519         * graphite-interchange.c (memory_stride_in_loop): The depth
2520         argument corresponds to a dynamic time dimension, so use
2521         psct_dynamic_dim to refer to the transformed scattering dimension.
2522
2523 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2524
2525         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
2526
2527 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2528
2529         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
2530         root of the LST.
2531         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
2532         the root of the LST.
2533         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
2534         fake loop.
2535         (print_lst): Print the root of LST in a different format.
2536         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
2537
2538 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2539
2540         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
2541
2542 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2543
2544         * doc/passes.texi: Document the Graphite infrastructure.
2545
2546 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2547
2548         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
2549         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
2550         and check the SSA representation.
2551
2552         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
2553
2554 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2555
2556         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
2557
2558 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2559
2560         * gcc.dg/graphite/interchange-11.c: New.
2561
2562 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2563
2564         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
2565
2566 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2567
2568         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2569         Add -fno-loop-strip-mine and -fno-loop-interchange.
2570         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
2571         -fno-loop-strip-mine.
2572         * gfortran.dg/graphite/graphite.exp: Same.
2573
2574 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2575
2576         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2577         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
2578         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
2579         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
2580         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
2581         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
2582         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
2583         DEFAULT_FLAGS_GRAPHITE_SCOP.
2584         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
2585         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
2586
2587 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2588
2589         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
2590
2591 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2592             Sebastian Pop  <sebastian.pop@amd.com>
2593
2594         * graphite-interchange.c (build_linearized_memory_access): Pass an
2595         offset as parameter.
2596         (memory_stride_in_loop): Include transform scattering in the
2597         access functions to be able to querry the strides in the
2598         transformed loops.
2599         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
2600         not the psct_iterator_dim.
2601
2602 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2603
2604         * graphite-blocking.c (pbb_do_strip_mine): Removed.
2605         (lst_do_strip_mine_loop): New.
2606         (lst_do_strip_mine): New.
2607         (scop_do_strip_mine): Call lst_do_strip_mine.
2608         * graphite-poly.h (lst_add_loop_under_loop): New.
2609         (lst_find_first_pbb): New.
2610
2611 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2612
2613         * graphite-poly.c (loop_to_lst): Fix LST creation.
2614
2615 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2616
2617         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
2618         sizeof(unsigned long) to make it run on 32bit systems.
2619
2620 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2621
2622         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
2623         SEGFAULT on 32bit.
2624
2625 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
2626
2627         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
2628         Comment.
2629         (write_alias_graph_to_ascii_dot): New.
2630         (write_alias_graph_to_ascii_ecc): Ditto.
2631         (partition_drs_to_sets): Add testing of optimality of current method
2632         which assigns alias numbers according to DFS Comopnent number.  used
2633         as heuristic for the upcoming ECC algorithm.
2634         (build_scop_drs): Write to file also with the ecc and dot format.
2635
2636 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2637
2638         * gfortran.dg/graphite/interchange-1.f: XFail.
2639
2640 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2641
2642         * graphite.c (graphite_initialize): Do not handle functions with
2643         more than 100 basic blocks.
2644
2645 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2646
2647         * graphite-blocking.c (pbb_do_strip_mine): Use
2648         PARAM_LOOP_BLOCK_TILE_SIZE.
2649
2650 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2651
2652         * graphite-poly.c (dot_lst_1): New.
2653         (dot_lst): New.
2654         * graphite-poly.h (dot_lst): Declared.
2655
2656 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2657
2658         * graphite-dependences.c (dot_deps_stmt_1): New.
2659         (dot_deps_stmt): New.
2660         * graphite-dependences.h (dot_deps_stmt): Declared.
2661
2662 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2663
2664         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
2665         not replace cross BB scalar dependences ending on PHI nodes.
2666         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
2667
2668 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2669
2670         * graphite-poly.c (apply_poly_transforms): Implement the high
2671         level driver for flag_loop_block.
2672         * opts.c (decode_options): Enable flag_loop_block at -O2.
2673         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
2674         flag_loop_block.
2675
2676         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
2677         -floop-block.
2678         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2679         Add -floop-block.
2680
2681 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2682
2683         * graphite-poly.h (lst_find_pbb): New.
2684         (find_lst_loop): New.
2685
2686 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2687
2688         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
2689         * graphite-poly.h (struct scop): Remove dep_graph field.
2690         (SCOP_DEP_GRAPH): Removed.
2691
2692 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2693
2694         * graphite-poly.h (copy_lst): Do full copy of LST.
2695
2696 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
2697
2698         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
2699         when the loop stride is zero.
2700
2701         * gcc.dg/graphite/id-16.c: New.
2702
2703 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2704
2705         * graphite-dependences.c (reduction_dr_1): New.
2706         (reduction_dr_p): New.
2707         (graphite_legal_transform_dr): Call reduction_dr_p.
2708         (reduction_ddr): Renamed reduction_ddr_p.
2709         * graphite-poly.h (same_pdr_p): New.
2710         (number_of_write_pdrs): New.
2711         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
2712         (split_reduction_stmt): Do not split reduction statements
2713         when there are no writes to memory.
2714         (translate_scalar_reduction_to_array_for_stmt): Insert the
2715         memory reduction statement just after the scalar reduction statement.
2716
2717         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
2718         Un-XFAIL-ed.
2719         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
2720         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
2721
2722 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2723
2724         * graphite-interchange.c (lst_apply_interchange): New.
2725         (lst_interchange_profitable_p): New.
2726         (lst_try_interchange_loops): New.
2727         (lst_try_interchange): New.
2728         (lst_do_interchange): New.
2729         (pbb_do_interchange): Removed.
2730         (scop_do_interchange): Call lst_do_interchange.
2731
2732 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2733
2734         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
2735         SCOP_TRANSFORMED_SCHEDULE.
2736         (loop_to_lst): New.
2737         (scop_to_lst): New.
2738         (print_lst): New.
2739         (debug_lst): New.
2740         * graphite-poly.h (lst_p): New.
2741         (struct lst): New.
2742         (LST_LOOP_P): New.
2743         (LST_LOOP_FATHER): New.
2744         (LST_PBB): New.
2745         (LST_SEQ): New.
2746         (scop_to_lst): Declared.
2747         (print_lst): Declared.
2748         (debug_lst): Declared.
2749         (new_lst_loop): New.
2750         (new_lst_stmt): New.
2751         (copy_lst): New.
2752         (lst_depth): New.
2753         (lst_dewey_number): New.
2754         (struct scop): Add original_schedule and transformed_schedule fields.
2755         (SCOP_ORIGINAL_SCHEDULE): New.
2756         (SCOP_TRANSFORMED_SCHEDULE): New.
2757         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
2758
2759 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2760
2761         * graphite-dependences.c (reduction_ddr): New.
2762         (graphite_legal_transform_bb): Call reduction_ddr.
2763         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
2764         Initialize PBB_IS_REDUCTION.
2765         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
2766         (PBB_IS_REDUCTION): New.
2767         (new_poly_bb): Update declaration.
2768         * graphite-scop-detection.h (build_scop_bbs): Removed.
2769         (nb_reductions_in_loop): Removed.
2770         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
2771         parameter for reductions.
2772         (try_generate_gimple_bb): Update call to new_poly_bb.
2773         (build_scop_bbs_1): Same.
2774         (build_scop_bbs): Same.
2775         (gsi_for_phi_node): New.
2776         (scalar_close_phi_node_p): Remove gcc_assert.
2777         (split_reduction_stmt): New.
2778         (is_reduction_operation_p): New.
2779         (phi_contains_arg): New.
2780         (follow_ssa_with_commutative_ops): New.
2781         (detect_commutative_reduction_arg): New.
2782         (detect_commutative_reduction_assign): New.
2783         (follow_inital_value_to_phi): New.
2784         (edge_initial_value_for_loop_phi): New.
2785         (initial_value_for_loop_phi): New.
2786         (detect_commutative_reduction): New.
2787         (translate_scalar_reduction_to_array_for_stmt): New.
2788         (insert_copyout): New.
2789         (insert_copyin): New.
2790         (translate_scalar_reduction_to_array): New.
2791         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
2792         (rewrite_commutative_reductions_out_of_ssa_loop): New.
2793         (rewrite_commutative_reductions_out_of_ssa): New.
2794         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
2795         * sese.h (split_region_for_bb): New.
2796
2797         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
2798         * gcc.dg/graphite/interchange-1.c: Fix format.
2799         * gcc.dg/graphite/interchange-10.c: New.
2800
2801 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2802
2803         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
2804         buggy assert.
2805
2806 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2807
2808         * graphite-sese-to-poly.c (scev_analyzable_p): New.
2809         (rewrite_cross_bb_scalar_dependence): New.
2810         (rewrite_cross_bb_scalar_deps): New.
2811         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
2812         Call rewrite_cross_bb_scalar_deps.
2813
2814 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2815
2816         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
2817         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
2818         gsi_for_stmt.
2819
2820 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2821
2822         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
2823         * graphite-interchange.c (pbb_do_interchange): Same.
2824         * graphite-poly.c (print_scattering_function): Same.
2825         (debug_pdrs): Same.
2826         * graphite-poly.h (pbb_loop): New.
2827         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
2828
2829 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2830
2831         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
2832
2833 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2834
2835         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
2836         so don't pass a pointer to it.
2837         (build_alias_set_for_drs): Same.
2838         (build_base_obj_set_for_drs): Same.
2839         (build_scop_drs): Same.
2840
2841 2009-09-26  Li Feng  <nemokingdom@gmail.com>
2842
2843         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
2844         the alias graph of data references.
2845
2846 2009-09-25  Li Feng  <nemokingdom@gmail.com>
2847
2848         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
2849         (build_scop_drs): When debugging, write the alias graph to file,
2850         otherwise, should be disabled.
2851
2852 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2853
2854         * Merge from mainline (151310:151361).
2855
2856 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2857
2858         * Merge from mainline (151171:151310).
2859
2860 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2861
2862         * Merge from mainline (151171:151806).
2863
2864 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2865
2866         * Revert the last commit.
2867
2868 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2869
2870         * Merge from mainline (151171:151819).
2871
2872 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2873
2874         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
2875         (is_simple_operand): Remove call to stmt_simple_memref_p.
2876         (stmt_simple_for_scop_p): Update call to is_simple_operand.
2877
2878 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
2879
2880         * gcc.dg/graphite/interchange-mvt.c: New File.
2881         * gcc.dg/graphite/scop-dsyrk.c: New File.
2882         * gcc.dg/graphite/scop-dsyr2k.c: New File.
2883         * gcc.dg/graphite/scop-mvt.c: New File.
2884         * gcc.dg/graphite/scop-sor.c: New File.
2885
2886 2009-09-17 Li Feng  <nemokingdom@gmail.com>
2887
2888         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
2889         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
2890         (graphite_carried_dependence_level_k): Ditto.
2891         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
2892         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
2893         (new_poly_dr): Adjust declaration.
2894         * graphite-sese-to-poly.c (free_data_refs_aux): New.
2895         (free_gimple_bb): Added free_data_refs_aux.
2896         (build_poly_dr): Add dr_base_object_set.
2897         (partition_drs_to_sets): New.
2898         (dr_same_base_object_p): New.
2899         (build_alias_set_for_drs): New.
2900         (build_base_object_set_for_drs): New.
2901         (build_scop_drs): Add build_base_obj_set_for_drs.
2902         * graphite-sese-to-poly.h: Added #define for alias set number index and
2903         base object set index.
2904         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
2905         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
2906
2907 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
2908
2909         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
2910         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
2911
2912 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2913
2914         * graphite-sese-to-poly.c (struct irp_data): Removed.
2915         (idx_record_params): Removed.
2916         (find_params_in_bb): Scan for parameters the access functions; don't
2917         parse the tree representation.
2918
2919 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2920
2921         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
2922         passes at -O1 and below.
2923
2924 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2925
2926         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2927         tree-scalar-evolution.h, and then tree-data-ref.h.
2928         * graphite-clast-to-gimple.c: Same.
2929         * graphite-dependences.c: Same.
2930         * graphite-interchange.c: Same.
2931         * graphite-poly.c: Same.
2932         * graphite-scop-detection.c: Same.
2933         * graphite-sese-to-poly.c: Same.
2934         * graphite.c: Same.
2935         * lambda-code.c: Same.
2936         * matrix-reorg.c: Same.
2937         * tree-data-ref.c: Same.
2938         * tree-if-conv.c: Same.
2939         * tree-loop-distribu: Same.: Same.
2940         * tree-loop-linear.c: Same.
2941         * tree-parloops.c: Same.
2942         * tree-predcom.c: Same.
2943         * tree-vect-patterns.c: Same.
2944
2945 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
2946
2947         Partially revert the previous patch, except the following.
2948         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
2949         as parameters the operands of the not expression.
2950
2951 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2952
2953         * tree-scalar-evolution.c (instantiate_scev_assign): New.
2954         Do not call analyze_scalar_evolution on assignments.
2955         (instantiate_scev_phi): Call analyze_scalar_evolution.
2956         (instantiate_scev_name): Call instantiate_scev_assign and
2957         instantiate_scev_phi.
2958         (instantiate_scev_not): Adapted to pass as parameters the operands
2959         of the not expression.
2960
2961 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2962
2963         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
2964         to pass as parameters the operands of the binary expression.
2965
2966 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2967
2968         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
2969         instantiate_scev_not.  Handle NEGATE_EXPR.
2970         (instantiate_scev_r): Handle NEGATE_EXPR.
2971
2972 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2973
2974         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
2975         instantiate_scev_r.
2976         (instantiate_scev_r): Move code in instantiate_scev_2
2977         and instantiate_scev_1.
2978
2979 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2980
2981         * tree-scalar-evolution.c (instantiate_scev_3): New.
2982         (instantiate_scev_1): Move code in instantiate_scev_3.
2983
2984 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2985
2986         * tree-scalar-evolution.c (instantiate_scev_poly): New.
2987         (instantiate_scev_1): Move code in instantiate_scev_poly.
2988
2989 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2990
2991         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
2992         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
2993
2994 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2995
2996         * tree-scalar-evolution.c (instantiate_scev_convert): New.
2997         (instantiate_scev_1): Move code in instantiate_scev_convert.
2998
2999 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3000
3001         * tree-scalar-evolution.c (instantiate_scev_binary): New.
3002         (instantiate_scev_1): Move code in instantiate_scev_binary.
3003
3004 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3005
3006         * tree-scalar-evolution.c (instantiate_scev_name): New.
3007         (instantiate_scev_1): Move code in instantiate_scev_name.
3008
3009 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
3010
3011         * Merge from mainline (150992:151171).
3012
3013 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3014
3015         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
3016
3017 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3018
3019         * graphite-dependences.c (graphite_legal_transform_bb): Call
3020         pbb_remove_duplicate_pdrs.
3021         * graphite-poly.c (can_collapse_pdr): Removed.
3022         (pdr_find_duplicate): Removed.
3023         (can_collapse_pdrs): New.
3024         (pbb_remove_duplicate_pdrs): New.
3025         (new_poly_dr): Do not look for duplicates.
3026         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
3027         (PBB_PDR_DUPLICATES_REMOVED): New.
3028         (pbb_remove_duplicate_pdrs): Declared.
3029
3030 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3031
3032         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
3033         the strides by multiplying by PDR_NB_REFS.
3034         * graphite-poly.c (can_collapse_pdr): New.
3035         (pdr_find_duplicate): New.
3036         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
3037         Initialize PDR_NB_REFS.
3038         * graphite-poly.h (struct poly_dr): Add field nb_refs.
3039         (PDR_NB_REFS): New.
3040         (new_poly_dr): Number of subscripts is a graphite_dim_t.
3041
3042 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3043
3044         Revert one of the previous commits:
3045         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
3046         the computation of symmetric data dependence relations.
3047         (dependency_between_pbbs_p): Same.
3048
3049 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3050
3051         PR middle-end/40965
3052         * graphite-poly.c (apply_poly_transforms): Remove legality test before
3053         any transform.
3054
3055 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3056
3057         * graphite-dependences.c (pddr_original_scattering): Return NULL
3058         for read-read dependence relations.
3059         * graphite-poly.h (enum poly_dr_type): Fix comment.
3060         (pdr_read_p): New.
3061         (pdr_write_p): New.
3062         (pdr_may_write_p): New.
3063
3064 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3065
3066         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
3067         (struct poly_dr): Same.
3068         (new_poly_dr): Same.
3069         * graphite-poly.c (new_poly_dr): Same.
3070
3071 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3072             Sebastian Pop  <sebastian.pop@amd.com>
3073
3074         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
3075         pbb_strip_mine_time_depth.  Changed the implementation so that
3076         transformation is expressed as a transformation on
3077         time (scatttering) dimensions.  Also, ensures that the 2d+1
3078         scheduling format is preserved.
3079         (pbb_strip_mine_profitable_p): Profitability is based on the
3080         iteration number of a given time (scattering) dimension,
3081         and not on a original loop depth dimension.
3082         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
3083         (pbb_do_strip_mine): Call psct_dynamic_dim.
3084         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
3085         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
3086         (pbb_nb_dynamic_scattering_transform): New.
3087         (psct_dynamic_dim): New.
3088
3089 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3090
3091         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3092         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3093         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
3094         * graphite-interchange.c (build_linearized_memory_access): Same.
3095         (memory_stride_in_loop): Same.
3096
3097 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3098
3099         * graphite-dependences.c (pddr_original_scattering): New.
3100         (graphite_legal_transform_dr): Call pddr_original_scattering.
3101         (dot_deps_1): New.
3102         (dot_deps): New.
3103         * graphite-dependences.h (dot_deps): Declared.
3104         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
3105         (print_pdr): Print PDR_ID.
3106         * graphite-poly.h (struct poly_dr): Add field id.
3107         (PDR_ID): New.
3108         (pbb_index): New.
3109         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
3110
3111 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
3112
3113         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
3114         not delete the original dependence relation.
3115
3116 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3117
3118         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
3119         the computation of symmetric data dependence relations.
3120         (dependency_between_pbbs_p): Same.
3121
3122 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3123
3124         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
3125         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
3126         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
3127         (free_poly_ddr): New.
3128         (pddr_is_empty): New.
3129         (dependence_polyhedron_1): Now returns a poly_ddr_p.
3130         (dependence_polyhedron): Same.  Remove useless gcc_assert.
3131         Remove fprintfs.
3132         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
3133         (graphite_carried_dependence_level_k): Call pddr_is_empty.
3134         * graphite-dependences.h (enum poly_dependence_kind): New.
3135         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
3136         (PDRP_SOURCE): Renamed PDDR_SOURCE.
3137         (PDRP_SINK): Renamed PDDR_SINK.
3138         (PDRP_DDP): Renamed PDDR_DDP.
3139         (PDDR_KIND): New.
3140         (free_poly_ddr): Declared.
3141         * graphite-poly.c (new_scop): Use the new hash function names.
3142         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
3143         into original_pddrs.
3144         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
3145
3146 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3147
3148         * Merge from mainline (150764:150992).
3149
3150 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3151
3152         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
3153         bounds with LT_EXPR to make niter analysis more precise on code
3154         generated by Graphite.
3155
3156 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3157
3158         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
3159         (graphite_legal_transform_bb): Same.
3160         (poly_drs_may_alias_p): Same.
3161
3162 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
3163
3164         PR middle-end/40981
3165         * graphite-ppl.c (ppl_max_for_le): Correct the use of
3166         ppl_Pointset_Powerset_C_Polyhedron_maximize.
3167
3168 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3169
3170         * graphite-poly.c (print_pbb): Print PBB index.
3171
3172 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3173
3174         * Merge from mainline (r150672:150764).
3175
3176 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3177
3178         * graphite-interchange.c (ppl_max_for_le): Moved...
3179         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
3180         * graphite-ppl.c (ppl_max_for_le): ... here.
3181         * graphite-ppl.h (ppl_max_for_le): Declared.
3182
3183 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
3184
3185         * Merge from mainline (r150372:150672).
3186
3187 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3188
3189         PR middle-end/40980
3190         * sese.c (convert_for_phi_arg): New.
3191         (add_guard_exit_phis): Use convert_for_phi_arg.
3192
3193         * gfortran.dg/graphite/id-17.f: New.
3194
3195 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3196
3197         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
3198         unknown subscript upper bounds.
3199
3200         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
3201
3202 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3203             Pranav Garg  <pranav.garg2107@gmail.com>
3204
3205         * graphite-interchange.c (gather_access_strides): Removed.
3206         (ppl_max_for_le): New.
3207         (build_linearized_memory_access): New.
3208         (memory_stride_in_loop): New.
3209         (pbb_interchange_profitable_p): Reimplemented.
3210         * graphite-ppl.h (ppl_new_id_map): New.
3211         (ppl_interchange): New.
3212
3213         * gcc.dg/graphite/interchange-6.c: XFAILed.
3214
3215 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3216
3217         * graphite-interchange.c (compute_subscript): Removed.
3218         (compute_array_size_cstr): Removed.
3219         (compute_array_size_poly): Removed.
3220         (compute_array_size): Removed.
3221         (gather_access_strides_poly): Removed.
3222         (gather_access_strides): Empty.
3223
3224 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3225
3226         * graphite-dependences.c (dependence_polyhedron_1): Replace
3227         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
3228         (graphite_legal_transform_dr): Same.
3229         (graphite_carried_dependence_level_k): Same.
3230         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
3231         Initialize PDR_NB_SUBSCRIPTS.
3232         (print_pdr_access_layout): Replace pdr_nb_subscripts with
3233         PDR_NB_SUBSCRIPTS.
3234         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
3235         (PDR_NB_SUBSCRIPTS): New.
3236         (pdr_nb_subscripts): Removed.
3237         (pdr_dim): Simplified.
3238         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
3239         with PDR_NB_SUBSCRIPTS.
3240
3241 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3242
3243         * graphite-interchange.c (compute_array_size): Remove use of
3244         PDR_DATA_CONTAINER.
3245         * graphite-poly.c (new_poly_dr): Remove argument data_container.
3246         Do not initialize PDR_DATA_CONTAINER.
3247         (print_pdr): Do not print PDR_DATA_CONTAINER.
3248         * graphite-poly.h (struct poly_dr): Remove data_container field.
3249         (PDR_DATA_CONTAINER): Removed.
3250         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
3251         PDR_DATA_CONTAINER.
3252         (build_poly_dr): Same.
3253
3254 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3255
3256         * gcc.dg/graphite/interchange-9.c: New.
3257
3258 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3259             Sebastian Pop  <sebastian.pop@amd.com>
3260
3261         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
3262         copy of the dependence polyhedron.  Free the temporary objects.
3263         (graphite_carried_dependence_level_k): Free unused objects before
3264         returning.
3265
3266         * gcc.dg/graphite/interchange-1.c: XFAILed.
3267         * gcc.dg/graphite/interchange-2.c: XFAILed.
3268         * gcc.dg/graphite/interchange-3.c: XFAILed.
3269         * gcc.dg/graphite/interchange-4.c: XFAILed.
3270         * gcc.dg/graphite/interchange-7.c: XFAILed.
3271
3272 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3273
3274         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
3275         Early return without analyzing the data dependences if no
3276         transform has been done.  Call restore_scattering if the transform
3277         is not legal.
3278         (graphite-interchange.c): Same.
3279         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
3280         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
3281         (apply_poly_transforms): Do not gcc_assert that
3282         the transform is legal.
3283         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3284         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
3285         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
3286         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3287         * graphite-poly.h (struct poly_scattering): New.
3288         (struct poly_bb): Add original, transformed, and saved fields.
3289         Remove transformed_scattering, original_scattering, nb_local_variables,
3290         and nb_scattering_transform fields.
3291         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
3292         (poly_scattering_new): New.
3293         (poly_scattering_free): New.
3294         (poly_scattering_copy): New.
3295         (store_scattering_pbb): New.
3296         (store_scattering): New.
3297         (restore_scattering_pbb): New.
3298         (restore_scattering): New.
3299         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
3300         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
3301
3302 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3303
3304         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
3305         (print_scop): Same.
3306
3307 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3308
3309         * Makefile.in (graphite.o): Depends on PREDICT_H.
3310         * graphite.c: Include predict.h.
3311         (graphite_finalize): Call tree_estimate_probability.
3312         * predict.c (predict_loops): Do not call scev_initialize and
3313         scev_finalize.
3314         (tree_estimate_probability_bb): New.
3315         (tree_estimate_probability): Do not initialize loops: move that
3316         code to the driver.  Call tree_estimate_probability_bb.
3317         (tree_estimate_probability_driver): New.
3318         (pass_profile): Use tree_estimate_probability_driver.
3319         * predict.h (tree_estimate_probability): Declared.
3320
3321 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3322
3323         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
3324         * graphite-dependences.c (graphite_legal_transform): Add time to
3325         TV_GRAPHITE_DATA_DEPS.
3326         (dependency_between_pbbs_p): Same.
3327         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
3328
3329 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
3330
3331         * Merge from mainline (r149952:150372).
3332
3333 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3334
3335         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
3336         * graphite-blocking.c: Same.
3337         * graphite-clast-to-gimple.c: Same.
3338         * graphite-dependences.c: Same.
3339         * graphite-poly.c: Same.
3340         * graphite-poly.h: Same.
3341         * graphite-ppl.c: Same.
3342         * graphite-scop-detection.c: Same.
3343         * graphite-sese-to-poly.c: Same.
3344         * graphite.c: Same.
3345
3346 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3347
3348         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
3349         (remove_simple_copy_phi): New.
3350         (remove_invariant_phi): New.
3351         (simple_copy_phi_p): New.
3352         (reduction_phi_p): New.
3353         (gsi_for_ssa_name_def): New.
3354         (insert_out_of_ssa_copy): New.
3355         (insert_out_of_ssa_copy_on_edge): New.
3356         (create_zero_dim_array): New.
3357         (scalar_close_phi_node_p): New.
3358         (rewrite_close_phi_out_of_ssa): New.
3359         (rewrite_phi_out_of_ssa): New.
3360         (rewrite_reductions_out_of_ssa): New.
3361         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
3362
3363         * gcc.dg/graphite/id-11.c: New.
3364         * gcc.dg/graphite/id-15.c: New.
3365         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
3366         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
3367         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
3368         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
3369         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
3370         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
3371         * gfortran.dg/graphite/id-13.f: New.
3372         * gfortran.dg/graphite/id-5.f: New.
3373
3374 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3375
3376         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
3377         check that nb_reductions_in_loop is zero.
3378         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
3379         reduction phi nodes.
3380         (nb_reductions_in_loop): Removed.
3381         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
3382         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
3383         (bb_contains_non_iv_scalar_phi_nodes): Removed.
3384         (scop_contains_non_iv_scalar_phi_nodes): Removed.
3385         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
3386
3387 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3388
3389         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
3390         statements that have an empty iteration domain.
3391         * gfortran.dg/graphite/id-16.f: New.
3392
3393 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3394
3395         * tree-scalar-evolution.c (instantiate_scev_1): Return
3396         chrec_dont_know when the result is not above instantiate_below.
3397         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
3398         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
3399         the tree has a known scalar evolution.
3400         * gfortran.dg/graphite/id-14.f: New.
3401         * gfortran.dg/graphite/id-15.f: New.
3402
3403 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3404
3405         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
3406         insert_gsi.
3407         (rename_variables): Keep inserting renames after the ones already
3408         inserted.
3409
3410 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3411
3412         * graphite-sese-to-poly.c (compare_bb_depths): New.
3413         (graphite_sort_dominated_info): New.
3414         (build_scop_bbs_1): Call graphite_sort_dominated_info.
3415         (build_scop_scattering): Fix comment.
3416
3417 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3418
3419         * graphite.c (graphite_finalize): Call print_loops instead of
3420         dump_function_to_file.
3421         * gcc.dg/graphite/graphite.exp: Fix formatting.
3422         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
3423         loops generated in the graphite output file.
3424         * gcc.dg/graphite/pr35356-2.c: New.
3425         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
3426         * gfortran.dg/graphite/id-12.f: New.
3427
3428 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3429
3430         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
3431         Remove 2 XFAIL.
3432
3433 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3434             Tobias Grosser  <grosser@fim.uni-passau.de>
3435
3436         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
3437         alias set number build alias in ACCESSES polyhedron.
3438         (build_alias_set_for_drs): New.
3439         (build_pbb_drs): Added build_alias_set_for_drs.
3440         * graphite-dependences.c (poly_drs_may_alias_p): New.
3441         (graphite_carried_dependence_level_k): Check alias information
3442         before building polyhedron.
3443
3444 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3445
3446         * Makefile.in (lambda-code.o): Fix formatting.
3447
3448 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3449
3450         * Merge from mainline (r149350-149952)
3451
3452 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3453
3454         * graphite-poly.c (apply_poly_transforms): Move strip_mine
3455         before interchange to prepare for loop blocking.
3456
3457 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3458
3459         * graphite-poly.c (apply_poly_transforms): Add checks after every
3460         transformation.
3461         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
3462         done in apply_poly_transforms.
3463
3464 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3465
3466         * graphite-dependences.c (build_lexicographically_gt_constraint):
3467         Replace RES parameter with *RES.
3468         (dependence_polyhedron_1): Pass an address of the parameter RES
3469         instead of value of RES.
3470
3471 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3472
3473         * graphite.c (graphite_finalize): Fix comment.
3474         (graphite_transform_loops): Reset scev info after code generation
3475         of each scop.
3476
3477 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3478
3479         * graphite.c (graphite_finalize): Call scev_reset.
3480
3481 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3482
3483         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
3484         GBB_CLOOG_IV_TYPES hash table twice.
3485         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
3486         (add_condition_to_domain): Clear GMP values.
3487
3488 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3489
3490         * graphite-dependences.c: Fix formatting.
3491         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
3492         (pbb_number_of_iterations): Free ppl_Linear_Expression.
3493         * graphite-sese-to-poly.c: Fix formatting.
3494         * graphite.c (graphite_transform_loops): Create the hash table
3495         after the early return.
3496
3497 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3498
3499         * gcc.dg/graphite/id-14.c: New.
3500         * gcc.dg/graphite/pr40157.c: New.
3501         * gfortran.dg/graphite/id-11.f: New.
3502
3503 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3504
3505         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
3506         (build_poly_scop): Return false when there are no pbbs within
3507         loops to avoid to pass to cloog scops with no loops.
3508
3509 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3510
3511         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
3512         useless test "i % 2".
3513         (build_pbb_scattering_polyhedrons): Fix formatting.
3514         (build_poly_dr): Same.
3515         * graphite.c (graphite_transform_loops): Restructure.
3516
3517 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
3518
3519         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
3520         reduction_list parameter.
3521         (rewrite_all_phi_nodes_with_iv): Same.
3522         (canonicalize_loop_ivs): Same.
3523         * tree-parloops.c (struct brli): Removed.
3524         (build_reduction_list_info): Removed.
3525         (build_new_reduction): New.
3526         (analyze_reduction_list): Removed.
3527         (gather_scalar_reductions): Find reductions instead of phi
3528         nodes that can't be canonicalized.
3529         (try_create_reduction_list): Remove reduction_list parameter.
3530         (gen_parallel_loop): Same.
3531         (parallelize_loops): Remove analyze_reductions variable,
3532         initialization and free.
3533         Change reduction_list htab initialization to reduction_info
3534         elements instead of ssa names.
3535         Call try_create_reduction_list and gen_parallel_loop without
3536         analyzed_reduction argument.
3537         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
3538         canonicalize_loop_ivs with one less argument.
3539         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
3540
3541 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
3542
3543         * graphite-dependences.c (new_poly_dr_pair): New.
3544         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
3545         (new_poly_dr_pair): New.
3546         (eq_poly_dr_pair_p): New.
3547         (hash_poly_dr_pair_p): New.
3548         * graphite-dependences.h (struct poly_dr_pair): New.
3549         (eq_poly_dr_pair_p): Declared.
3550         (hash_poly_dr_pair_p): Declared.
3551         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
3552         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
3553         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
3554         * Makefile.in (graphite-poly.o): Add dependence on
3555         graphite-dependences.h.
3556
3557 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3558
3559         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
3560         polynomials of degree > 1 pass to Graphite.
3561         * tree-chrec.c (scev_is_linear_expression): Call
3562         evolution_function_is_affine_multivariate_p.
3563         * gfortran.dg/graphite/id-10.f90: New.
3564
3565 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3566
3567         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
3568         Instantiate scevs varying in outer loops.
3569         * gfortran.dg/graphite/id-9.f: Correct testcase.
3570
3571 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3572
3573         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
3574         redundant constraint.
3575
3576 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3577
3578         * gcc.dg/graphite/graphite.exp: Fix comments.
3579         * gfortran.dg/graphite/graphite.exp: Trigger actions
3580         based on the file names as in the C testsuite.
3581         * gfortran.dg/graphite/block-1.f90: Fix patterns.
3582         * gfortran.dg/graphite/block-2.f: Same.
3583         * gfortran.dg/graphite/block-3.f90: Same.
3584         * gfortran.dg/graphite/block-4.f90: Same.
3585         * gfortran.dg/graphite/id-1.f90: Same.
3586         * gfortran.dg/graphite/id-2.f90: Same.
3587         * gfortran.dg/graphite/id-3.f90: Same.
3588         * gfortran.dg/graphite/id-4.f90: Same.
3589         * gfortran.dg/graphite/id-6.f: Same.
3590         * gfortran.dg/graphite/id-9.f: Same.
3591         * gfortran.dg/graphite/interchange-1.f: Same.
3592         * gfortran.dg/graphite/interchange-2.f: Same.
3593         * gfortran.dg/graphite/scop-1.f: Same.
3594
3595 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3596
3597         * sese.c (expand_scalar_variables_call): New.
3598         (expand_scalar_variables_ssa_name): Handle calls in expander.
3599
3600 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3601
3602         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
3603         Expect to see the pattern twice.
3604         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
3605         * gcc.dg/graphite/interchange-5.c: Same.
3606         * gcc.dg/graphite/interchange-6.c: Same.
3607
3608 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3609
3610         * gcc.dg/graphite/id-10.c: New.
3611         * gcc.dg/graphite/id-12.c: New.
3612         * gfortran.dg/graphite/id-7.f: New.
3613         * gfortran.dg/graphite/id-8.f: New.
3614
3615 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3616
3617         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
3618         zero.
3619
3620 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3621
3622         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
3623
3624 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3625
3626         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
3627
3628 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3629
3630         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
3631         building PDR subscripts.
3632
3633 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3634
3635         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
3636         computation of array sizes.
3637
3638 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3639
3640         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
3641
3642 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3643
3644         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
3645         build_pairwise_constraint, dr_equality_constraints,
3646         build_pairwise_scheduling_equality,
3647         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3648         build_lexicographically_gt_constraint, dependence_polyhedron,
3649         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
3650         Move from NNC_Polyhedron to C_Polyhedron.
3651         * graphite-interchange.c (compute_array_size_poly,
3652         gather_access_strides): Dito.
3653         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
3654         free_scop, pbb_number_of_iterations): Dito.
3655         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
3656         pbb_dim_iter_domain, struct scop): Dito.
3657         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
3658         new_Cloog_Domain_from_ppl_Polyhedron,
3659         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
3660         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
3661         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
3662         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
3663         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
3664         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
3665         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
3666         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
3667         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
3668         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
3669         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
3670         build_scop_iteration_domain, build_poly_dr): Dito
3671
3672 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3673
3674         * gcc.dg/graphite/graphite.exp: Added a rule to execute
3675         run-id-*.c files.
3676         * gcc.dg/graphite/run-id-1.c: New.
3677
3678 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3679
3680         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
3681         positivity constraint on the symbolic number of iterations.
3682
3683 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3684
3685         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
3686
3687 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3688             Tobias Grosser  <grosser@fim.uni-passau.de>
3689
3690         * graphite-clast-to-gimple.c (build_scop_context): Removed.
3691         (build_cloog_prog): Directly use SCOP_CONTEXT.
3692         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
3693         (free_scop): Free SCOP_CONTEXT.
3694         (print_scop_context): New.
3695         (print_scop): Call print_scop_context.
3696         (debug_scop_context): New.
3697         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
3698         (struct scop): Added field context.
3699         (SCOP_CONTEXT): New.
3700         * graphite-sese-to-poly.c (add_param_constraints): New.
3701         (build_scop_context): New.
3702         (build_poly_scop): Call build_scop_context.
3703
3704 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3705
3706         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
3707         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
3708         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
3709         * graphite-ppl.h: Include double-int.h and tree.h.
3710         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
3711         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
3712         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
3713         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
3714
3715 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3716
3717         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
3718         POINTER_PLUS_EXPR for pointer types.
3719         (clast_to_gcc_expression): Same.
3720
3721 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3722
3723         * graphite-poly.c (print_scattering_function): Early return when
3724         PBB_TRANSFORMED_SCATTERING is not initialized.
3725         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
3726
3727 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
3728
3729         * tree-parloops.c (analyze_reduction_list): Remove unused variable
3730         to fix bootstrap.
3731
3732 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
3733
3734         * tree-parloops.c (analyze_reduction_list): Change return
3735         value to void.
3736         (try_create_reduction_list): Move the call to
3737         analyze_reduction_list to the beginining.
3738         Call reduction_phi with analyzed_reductions as argument
3739         instead of reduction_list.
3740
3741 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3742
3743         *  Merge from mainline (r148296:149346)
3744
3745 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3746
3747         * graphite-scop-detection.c (graphite_can_represent_init): New.
3748         (graphite_can_represent_scev): Call graphite_can_represent_init:
3749         check that the initial value does not contain multiplications of
3750         parameters.
3751         (stmt_has_simple_data_refs_p): New.
3752         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
3753         (is_simple_operand): Fix formatting.
3754         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
3755
3756 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3757
3758         * gcc.dg/graphite/id-13.c: New.
3759         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
3760         analyze_scalar_evolution, use scalar_evolution_in_region.
3761         (scan_tree_for_params_right_scev): Add extra assert.
3762         (parameter_index_in_region_1): Split from parameter_index_in_region.
3763         (idx_record_params): Use scalar_evolution_in_region.
3764         (find_params_in_bb): Same.
3765         (find_scop_parameters): Same.
3766         (build_loop_iteration_domains): Same.
3767         (create_linear_expr_from_tree): Same.
3768         * sese.c (scalar_evolution_in_region): New.
3769         * sese.h (scalar_evolution_in_region): Declared.
3770         (defined_in_sese_p): New.
3771         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
3772         static anymore.
3773         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
3774         Declared.
3775
3776 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3777
3778         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
3779         TREE_DATA_REF_H also implies SCEV_H.
3780
3781 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3782
3783         * graphite-poly.c (print_scop_params): New.
3784         (print_scop): Call print_scop_params.
3785         (debug_scop_params): New.
3786         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
3787
3788 2009-07-07  Li Feng  <nemokingdom@gmail.com>
3789
3790         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
3791         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
3792         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
3793         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
3794         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
3795         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
3796
3797 2009-07-07  Li Feng  <nemokingdom@gmail.com>
3798
3799         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
3800         for dependency checking part.
3801         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
3802         tests for dependency checking.
3803         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
3804         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
3805         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
3806         flag -fdump-tree-graphite-all for autopar testsuites.
3807
3808 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
3809
3810         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
3811         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
3812         canonicalize_loop_ivs): Moved...
3813         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
3814
3815 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
3816
3817         * tree-parloops.c (try_create_reduction_list): Pass an extra
3818         argument analyzed_reductions.  Call analyze_reduction_list.
3819         (gen_parallel_loop): Do not call analyze_reduction_list.
3820         (parallelize_loops): Init and finalize analyzed_reductions.
3821
3822 2009-07-06  Li Feng  <nemokingdom@gmail.com>
3823
3824         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
3825         Added flag -fno-loop-strip-mine for autopar testcase.
3826
3827 2009-07-04  Li Feng  <nemokingdom@gmail.com>
3828
3829         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
3830         transformed scattering dimension instead of unmatch orignal when
3831         calling dependence_polyhedron.
3832
3833 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3834
3835         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
3836
3837 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3838
3839         * graphite-poly.c (pbb_number_of_iterations): Check for returned
3840         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
3841
3842 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3843
3844         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
3845         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
3846         * graphite-poly.c (pbb_number_of_iterations): New.
3847         * graphite-poly.h (pbb_number_of_iterations): Declared.
3848         (pbb_iterator_dim, pbb_parameter_dim): New.
3849
3850 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
3851
3852         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
3853         last commit on type of lower and upper bound of loops.
3854
3855 2009-06-29  Li Feng  <nemokingdom@gmail.com>
3856
3857         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
3858         graphite-dependences.h.
3859         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
3860         (mark_bb_with_pbb): New.
3861         (get_stmtfor_depth): New.
3862         (find_pbb_via_hash): New.
3863         (dependency_in_loop_p): New.
3864         (mark_loops_parallel): New.
3865         (free_aux_in_new_loops): New.
3866         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
3867         bb with it's relevant pbb. Mark newly created loops.  Remove mark
3868         innermost loop parallel without checking.
3869         (gloog): Add parameter BB_PBB_MAPPING.
3870         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
3871         (gloog): Change declaration.
3872         (mark_loop_parallel): Make extern.
3873         (free_aux_in_new_loops): Declare.
3874         (bb_pbb_map_hash): New.
3875         (eq_bb_pbb_map): New.
3876         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
3877         auto parallelization when flag_graphite_force_parallel is set.
3878         (graphite_finalize): Added free_aux_in_new_loops.
3879         * tree-parloops.c (parallelize_loops): Only generate parallel code for
3880         the innermost loop that marked parallel.  Use
3881         flag_graphite_force_parallel instead of loop->can_be_parallel.
3882         (loop_parallel_p): Move inner most checking out of function.
3883
3884 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3885
3886         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
3887         type of lower and upper bound of loops signed long int.
3888
3889 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3890
3891         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
3892         expression outside the loop.
3893
3894 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3895
3896         * gcc.dg/graphite/interchange-8.c: New.
3897
3898 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3899
3900         * gcc.dg/graphite/interchange-0.c: XFailed.
3901         * gcc.dg/graphite/interchange-5.c: XFailed.
3902         * gcc.dg/graphite/interchange-6.c: XFailed.
3903
3904 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3905
3906         * graphite-interchange.c (compute_array_size_poly): The end of the
3907         recursion should return 1.
3908
3909 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3910
3911         * graphite-interchange.c (compute_array_size_cstr): Allow the
3912         subscript multiplier to be -1.
3913         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
3914         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
3915         data_container.  Initializes PDR_DATA_CONTAINER.
3916         (print_pdr_access_layout): New.
3917         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
3918         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
3919         data_container.
3920         (PDR_DATA_CONTAINER): New.
3921         (new_poly_dr): Update declaration.
3922         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
3923         (build_poly_dr): Call pdr_add_data_dimensions.
3924
3925 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3926
3927         * graphite-poly.h (struct poly_dr): Fix comment.
3928         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
3929         (pdr_add_memory_accesses): New.
3930         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
3931
3932 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3933
3934         * graphite-poly.c (print_pdrs, debug_pdrs): New.
3935         (print_pbb): Add call to print_pdrs.
3936         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
3937
3938 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
3939             Li Feng <nemokingdom@gmail.com>
3940
3941         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
3942         (dependency_between_pbbs_p): New.
3943         (lexicographically_gt_p): Assure !empty_p before polyhedron
3944         intersection assign.
3945         (build_lexicographically_gt_constraint): Correct lexicographically
3946         judging.
3947         * graphite-dependences.h: New.
3948         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
3949
3950 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3951
3952         * graphite-clast-to-gimple.c (print_clast_stmt): New.
3953         (gloog): Print to dump_file the generated clast.
3954         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
3955         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
3956
3957 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3958
3959         * graphite-poly.c (extend_scattering): Increment
3960         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
3961
3962 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3963
3964         * graphite-interchange.c (compute_array_size_poly): Added exit of
3965         recursion condition.  Continue iterating even after the first equality.
3966         (compute_array_size): Same.
3967
3968 2009-06-24  Li Feng  <nemokingdom@gmail.com>
3969
3970         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
3971         -fdump-tree-final_cleanup to -fdump-tree-optimized.
3972         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
3973         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
3974         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
3975
3976 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3977
3978         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
3979         only when the use verifies is_gimple_reg.
3980
3981 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3982
3983         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
3984         Allocate scaldims after call to unify_scattering_dimensions.
3985
3986 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3987
3988         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
3989
3990 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3991             Albert Cohen  <albert.cohen@inria.fr>
3992
3993         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
3994         variables for the strip mining.
3995
3996 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3997             Pranav Garg  <pranav.garg2107@gmail.com>
3998
3999         * Makefile.in (OBJS-common): Added graphite-blocking.o.
4000         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
4001         (graphite-blocking.o): New rule.
4002         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
4003         * graphite-blocking.c: New.
4004         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
4005         flag_loop_strip_mine.
4006         (psct_scattering_dim_for_loop_depth): New.
4007         * graphite-poly.h (scop_do_strip_mine): Declared.
4008         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
4009         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
4010         flag_loop_strip_mine.
4011
4012 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4013
4014         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
4015         a GMP value and a PPL coefficient at each iteration of a loop.
4016
4017 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4018
4019         * graphite-dependences.c (dependence_polyhedron): Do not use
4020         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
4021         pbb_nb_scattering_transform.
4022         (graphite_legal_transform_dr): Same.
4023         * graphite-poly.c (extend_scattering): Same.
4024         (unify_scattering_dimensions): Same.
4025         (print_scattering_function): Same.
4026         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
4027         PBB_NB_LOCAL_VARIABLES.
4028         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
4029         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
4030         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
4031         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
4032         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
4033         (pbb_nb_scattering_transform): New.
4034         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
4035         (psco_scattering_dim): Add assert on parameters.
4036         (psct_scattering_dim): Same.
4037         (psct_scattering_dim_for_loop_depth): Declared.
4038         (psct_local_var_dim): New.
4039         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
4040         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
4041         correct layout, call pbb_nb_local_vars.
4042         (psct_add_local_variable, psct_add_scattering_dimension): New.
4043         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
4044         Initialize PBB_NB_SCATTERING_TRANSFORM.
4045
4046 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4047
4048         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
4049         (set_coef): Renamed ppl_set_coef.
4050         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
4051
4052 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4053
4054         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
4055         test a boolean against 1.
4056         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
4057         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
4058         (pbb_do_interchange): Returns true when a transform has been performed.
4059         (scop_do_interchange): Same.
4060         * graphite-poly.c (apply_poly_transforms): Use the return value of
4061         scop_do_interchange.
4062         * graphite-poly.h (scop_do_interchange): Update declaration.
4063
4064 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4065
4066         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
4067         after last use.
4068         * sese.c (sese_reset_aux_in_loops): New.
4069         * sese.h (sese_reset_aux_in_loops): New.
4070
4071 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4072
4073         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
4074         multiplier and multiply the constant by the multiplier.
4075         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
4076         (build_poly_dr): Do not use the multiplier to define the subscript.
4077
4078 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4079
4080         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
4081         compiler's data reference.  Initialize PDR_CDR.
4082         (print_pdr): Call dump_data_reference.
4083         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
4084         Add compiler_dr field.
4085         (PDR_BB): Renamed PDR_PBB.
4086         (PDR_CDR): New.
4087         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
4088         GCC's data reference representation.
4089         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
4090         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
4091
4092 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4093
4094         * graphite-poly.c (print_scattering_function): Also print the layout.
4095         * graphite-poly.h (pbb_nb_local_vars): New.
4096
4097 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4098
4099         * graphite-poly.c (print_pbb_domain): Also print the layout names.
4100
4101 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4102
4103         * graphite-poly.c (print_pdr, debug_pdr): New.
4104         * graphite-poly.h (print_pdr, debug_pdr): Declared.
4105         (PDR_BASE): Removed.
4106
4107 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4108
4109         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
4110         ltrans-{1..6,8}.c.
4111
4112 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4113
4114         * graphite-interchange.c (compute_subscript): Allow also -1 in the
4115         subscript identification column.
4116         (pbb_do_interchange): Print to dump_file that some loops "will be
4117         interchanged".  Rely on that chain of characters in the testcases.
4118         * gcc.dg/graphite/interchange-0.c: New.
4119         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
4120         interchange-*.c files and compile them with -floop-interchange.
4121
4122 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
4123
4124         * graphite-interchange.c (interchange_profitable_p): Renamed
4125         pbb_interchange_profitable_p.
4126
4127 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4128             Harsha Jagasia  <harsha.jagasia@amd.com>
4129             Pranav Garg  <pranav.garg2107@gmail.com>
4130
4131         * graphite-interchange.c (interchange_profitable_p): Make static.
4132         (pbb_interchange_loop_depths, pbb_do_interchange,
4133         scop_do_interchange): New.
4134         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
4135         for flag_loop_interchange.
4136         * graphite-poly.h (scop_do_interchange): Declared.
4137         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
4138         flag_loop_interchange is used.
4139
4140 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4141
4142         * graphite-dependences.c (dependence_polyhedron): Update use of
4143         pbb_nb_scattering_dims.
4144         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
4145         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
4146         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
4147         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
4148
4149 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4150
4151         * graphite.c: Cleanup foo.
4152
4153 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4154
4155         * Merge from mainline (r143684:148293).
4156         * Disabled libpcp until it gets fixed.
4157
4158 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4159             Harsha Jagasia  <harsha.jagasia@amd.com>
4160
4161         * graphite-interchange.c: New.
4162         * Makefile.in (graphite-interchange.o): New.
4163         * graphite-poly.h (interchange_profitable_p): Declared.
4164         * graphite-ppl.h (value_max): New.
4165
4166 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4167
4168         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
4169         * graphite-poly.h: Fix some comments.
4170         (pdr_dim): New.
4171         (pdr_scop): New.
4172
4173 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4174
4175         * graphite-poly.h
4176         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
4177         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
4178         (pdr_accessp_nb_params): Renamed pdr_nb_params.
4179         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
4180         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
4181         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
4182         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
4183         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
4184         * graphite-clast-to-gimple.c: Same.
4185         * graphite-dependences.c: Same.
4186         * graphite-poly.c: Same.
4187         * graphite-sese-to-poly.c: Same.
4188
4189 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4190
4191         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
4192         expressions for an IV rename, as returned by clast_to_gcc_expression.
4193         (copy_renames): Rename new_name to expr.
4194         * sese.c (debug_rename_elt): Same.
4195         (get_rename): Same.
4196         (set_rename): Same.
4197         (sese_adjust_liveout_phis): Call force_gimple_operand before using
4198         the information from the rename map.
4199         (rename_variables_in_stmt): Same.
4200         (add_loop_exit_phis): Rename new_name to expr.
4201         (insert_loop_close_phis): Same.
4202         (add_guard_exit_phis): Same.  Call force_gimple_operand.
4203         * sese.h (struct rename_map_elt): Rename new_name to expr.
4204         (new_rename_map_elt): Same.
4205
4206 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4207
4208         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
4209         * sese.c (set_rename): Make it extern.
4210         * sese.h (set_rename): Declared.
4211
4212 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4213
4214         * graphite-poly.c (extend_scattering): Free values.
4215         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
4216         Free iterators.
4217         (ppl_print_powerset_matrix): Same.
4218         * graphite-scop-detection.c (free_scops_1): New.
4219         (limit_scops): Call free_scops_1.
4220         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
4221         (build_poly_dr): Free PPL coefficients.
4222         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
4223
4224 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
4225
4226         * graphite-dependences.c: New.
4227         * graphite-data-ref.c: Removed.
4228         * graphite-data-ref.h: Removed.
4229         * Makefile.in (graphite-data-ref.o): Removed.
4230         (graphite-dependences.o): Added.
4231         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
4232         * graphite-poly.c: Same.
4233         Move the data dependence testing to graphite-dependences.c.
4234
4235 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4236
4237         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
4238         from graphite_cannot_represent_loop. Code refactored.
4239         (scopdet_basic_block_info): Call graphite_can_represent_loop.
4240
4241 2009-05-17  Li Feng  <nemokingdom@gmail.com>
4242
4243         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
4244         Cover all the testcases (not only the filtered ones).
4245
4246 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4247
4248         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
4249         unnecessary check. Update comments. Move check for REAL_TYPE here.
4250         (harmful_stmt_in_bb): Remove checks for conditions. This is already
4251         done in (stmt_simple_for_scop_p).
4252
4253 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
4254
4255         * graphite.c (print_global_statistics): New.
4256         (print_graphite_scop_statistic): New.
4257         (print_graphite_statistics): New.
4258         (graphite_initialize, graphite_transform_loops): Print statistics.
4259         * graphite-scop-detection (build_scops): Print statistics.
4260         (print_graphite_scop_statistics): New.
4261         (print_graphite_statistics): New.
4262
4263 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4264
4265         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
4266         (debug_clast_name_index): Removed.
4267         (debug_clast_name_indexes_1): Removed.
4268         (debug_clast_name_indexes): Removed.
4269         (clast_name_index_elt_info): Removed.
4270         (eq_clast_name_indexes): Removed.
4271         (clast_name_to_index): Removed.
4272         (new_clast_name_index): Removed.
4273         (save_clast_name_index): Removed.
4274         (save_var_name): Moved...
4275         (init_sese_params_index): Removed.
4276         (clast_name_to_gcc): Remove use of name_tree.
4277         (initialize_cloog_names): Same.
4278         (gloog): Do not call init_sese_params_index.
4279         * graphite-sese-to-poly.c (save_var_name): ...here.
4280         (parameter_index_in_region): New.
4281         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
4282         (parameter_index_in_region): Removed.
4283         (is_parameter): Remove use of name_tree.
4284         * sese.h (struct name_tree): Removed.
4285         (struct sese): Remove use of name_tree.  New field params_names.
4286         (SESE_PARAMS_NAMES): New.
4287         (SESE_PARAMS): Remove duplicate.
4288         (parameter_index_in_region): Removed.
4289         (sese_nb_params): Remove use of name_tree.
4290         (struct clast_name_index): New.
4291         (new_clast_name_index): New.
4292         (clast_name_to_index): New.
4293         (save_clast_name_index): New.
4294         (debug_clast_name_index): New.
4295         (debug_clast_name_indexes_1): New.
4296         (debug_clast_name_indexes): New.
4297         (clast_name_index_elt_info): New.
4298         (eq_clast_name_indexes): New.
4299
4300 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4301
4302         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
4303         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
4304         (graphite_loop_normal_form): Do not pass region.  Do not
4305         initialize SESE_OLDIVS.
4306         (build_graphite_loop_normal_form): Update call to
4307         graphite_loop_normal_form.
4308         * sese.c (debug_oldivs): Removed.
4309         (new_sese): Do not initialize SESE_OLDIVS.
4310         (free_sese): Do not free SESE_OLDIVS.
4311         (oldiv_for_loop): Removed.
4312         * sese.h (struct sese): Remove old_ivs.
4313         (SESE_OLDIVS): Removed.
4314         (oldiv_for_loop): Removed.
4315
4316 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4317
4318         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
4319         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
4320         replaced by a call to newivs_to_depth_to_newiv.
4321         (clast_to_gcc_expression): Pass newivs, remove ivstack.
4322         (clast_to_gcc_expression_red): Same.
4323         (gcc_type_for_clast_expr): Same.
4324         (gcc_type_for_clast_eq): Same.
4325         (graphite_translate_clast_equation): Same.
4326         (graphite_create_guard_cond_expr): Same.
4327         (graphite_create_new_guard): Same.
4328         (graphite_create_new_loop): Same.
4329         (build_iv_mapping): Same.
4330         (translate_clast): Same.
4331         (gloog): Same.
4332         (loop_iv_stack_patch_for_consts): Removed.  *
4333         sese.c (iv_stack_entry_is_constant): Removed.
4334         (iv_stack_entry_is_iv): Removed.
4335         (loop_iv_stack_push_iv): Removed.
4336         (loop_iv_stack_insert_constant): Removed.
4337         (loop_iv_stack_pop): Removed.
4338         (loop_iv_stack_get_iv): Removed.
4339         (loop_iv_stack_get_iv_from_name): Removed.
4340         (debug_loop_iv_stack): Removed.
4341         (free_loop_iv_stack): Removed.
4342         (loop_iv_stack_remove_constants): Removed.  *
4343         sese.h (iv_stack_entry_kind): Removed.
4344         (iv_stack_entry_data_union): Removed.
4345         (iv_stack_entry_struct): Removed.
4346         (iv_stack_entry_p): Removed.
4347         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
4348         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
4349         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
4350         loop_iv_stack_pop, free_loop_iv_stack): Removed.
4351         (gbb_loop_at_index): Fix indenting.
4352         (gbb_loop_index): Removed.
4353
4354 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4355
4356         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
4357         Call clast_name_to_index.
4358
4359 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4360
4361         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
4362         do not pass params.  Get params from SESE_PARAMS.
4363         (clast_to_gcc_expression): Same.
4364         (clast_to_gcc_expression_red): Same.
4365         (gcc_type_for_clast_eq): Same.
4366         (graphite_translate_clast_equation): Same.
4367         (graphite_create_new_loop): Same.
4368         * sese.c (rename_variables_in_stmt): Fix comment.
4369
4370 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4371
4372         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
4373         newivs_index.
4374         Call save_clast_name_index.
4375         (translate_clast): Pass newivs_index.
4376         (gloog): Create and free newivs_index.
4377
4378 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4379
4380         * graphite-clast-to-gimple.c (clast_name_index): New structure.
4381         (clast_name_index_p): New type.
4382         (debug_clast_name_index): New.
4383         (debug_clast_name_indexes_1): New.
4384         (debug_clast_name_indexes): New.
4385         (clast_name_index_elt_info): New.
4386         (eq_clast_name_indexes): New.
4387         (clast_name_to_index): New.
4388         (new_clast_name_index): New.
4389         (save_clast_name_index): New.
4390         (init_sese_params_index): New.
4391         (gloog): Call init_sese_params_index.
4392         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
4393         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
4394         (free_sese): Free SESE_PARAMS_INDEX.
4395         * sese.h (struct sese): Add params_index.
4396         (SESE_PARAMS_INDEX): New.
4397
4398 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4399
4400         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
4401         (graphite_create_new_loop): Pass the newivs vector.  Push the
4402         newly created IV to newivs.
4403         (translate_clast): Pass the newivs vector.
4404         (gloog): Create and destroy the newivs vector.
4405
4406 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4407
4408         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
4409         (graphite_loop_normal_form): Initialize loop->aux with the unique
4410         IV that has been created.
4411
4412 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
4413
4414         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
4415         scev with parameters in the base part. They where forbidden
4416         exidently.
4417
4418 2009-05-11  Li Feng  <nemokingdom@gmail.com>
4419
4420         * gcc.dg/graphite/graphite.exp: Set different default
4421         compile options by file names.
4422         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
4423         * gcc.dg/graphite/id-{1-9}.c: Ditto.
4424         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
4425         * gcc.dg/graphite/scop-matmult.c: Ditto.
4426
4427 2009-05-08  Li Feng <nemokingdom@gmail.com>
4428
4429         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
4430         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
4431         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
4432         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
4433
4434 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4435
4436         * graphite-scop-detection (build_scops_1): Fix little bug introduced
4437         by final cleanup.
4438
4439 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4440
4441         * graphite-scop-detection.c (graphite_can_represent_scev): Only
4442         allow integer constant strides.
4443         (graphite_can_represent_expr): Depend on outermost_loop.
4444         (stmt_simple_memref_p, graphite_cannot_represent_loop,
4445         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
4446         build_scops_1): Same.
4447         (scopdet_basic_block_info): Same and insert layered SCoP
4448         detection.
4449         (try_generate_gimple_bb): Cleanup.
4450         (build_scops): Enable data references.
4451
4452         * gcc.dg/graphite/id-5.c: New.
4453         * gcc.dg/graphite/id-9.c: New.
4454         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
4455         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
4456
4457 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4458
4459         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
4460         that we have not yet built for this SCoP.
4461
4462 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4463
4464         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
4465         for complex numbers.
4466
4467 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4468
4469         * graphite-ppl.c: Fix build if cloog is not available.
4470
4471 2009-05-04  Li Feng  <nemokingdom@gmail.com>
4472
4473         * tree-parloops.c (loop_parallel_p): Remove construction of
4474         NITER and REDUCTION_LIST.
4475         (try_get_loop_niter): New.
4476         (try_create_reduction_list): New.
4477         (parallelize_loops): Bypass the failed checkings in autopar
4478         when can_be_parallel in loop structure is set to true.
4479
4480 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4481
4482         * gcc.dg/graphite/id-6.c: Update testcase.
4483         * gcc.dg/graphite/scop-3.c: Dito.
4484
4485 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4486
4487         * graphite-scop-detection.c (stmt_simple_for_scop_p):
4488         Enable EQ_EXPR and NE_EXPR again.
4489
4490 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4491
4492         * graphite-scop-detection.c (graphite_can_represent_scev):
4493         Add check if scev is affine multivariate.
4494         (harmful_stmt_in_bb): Check if we can represent the conditions.
4495         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
4496         harmful_stmt_in_bb.
4497         * gcc.dg/graphite/id-7.c: New.
4498
4499 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4500
4501         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
4502         Check all bbs in region, not only the bbs that are represented in
4503         GRAPHITE.
4504         (build_poly_scop): Add newline.
4505         * gcc.dg/graphite/id-8.c: New.
4506
4507 2009-04-30  Li Feng  <nemokingdom@gmail.com>
4508
4509         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
4510         when loop initialize.
4511         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
4512         * common.opt: Declare flag_graphite_force_parallel.
4513         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
4514         loop parallel.
4515         * graphite-poly.c (apply_poly_transforms): Introduce
4516         flag_graphite_force_parallel.
4517         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
4518         * toplev.c (process_options): ditto and replace a not correctly
4519         encoded space.
4520
4521 2009-04-30  Li Feng  <nemokingdom@gmail.com>
4522
4523         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
4524         Change the call of gbb_loop_at_index and/or gbb_loop_index due
4525         to the redefinition.
4526         (compute_cloog_iv_types_1): ditto.
4527         (build_iv_mapping): ditto.
4528         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
4529         initialization.
4530         (free_gimple_bb): Removed GBB_LOOPS related free part.
4531         (build_bb_loops): Removed.
4532         * sese.h (struct gimple_bb): Removed loops.
4533         (GBB_LOOPS): Removed.
4534         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
4535         (gbb_loop_index): ditto.
4536
4537 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4538
4539         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
4540         allow non constant strides.
4541         * gcc.dg/graphite/scop-20.c: New.
4542
4543 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4544
4545         * graphite-scop-detection.c (dot_all_scops): Fix system call
4546         return value warning.
4547         (dot_scop): Same.
4548
4549 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4550
4551         * gcc.dg/graphite/id-6.c: Fix pattern.
4552         * gcc.dg/graphite/scop-3.c: Same.
4553
4554 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4555
4556         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
4557         build_pairwise_constraint, dr_equality_constraints,
4558         build_pairwise_scheduling_equality,
4559         build_pairwise_scheduling_inequality, lexicographically_gt_p,
4560         build_lexicographically_gt_constraint, dependence_polyhedron,
4561         graphite_legal_transform_dr, graphite_legal_transform_bb,
4562         graphite_legal_transform): New.
4563         * graphite-poly.h (graphite_legal_transform): Declared.
4564         * graphite-sese-to-poly.c (build_poly_scop): Call to
4565         graphite_legal_transform is disabled for the moment.
4566
4567 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4568
4569         * graphite-poly.h (pbb_nb_scattering_dims): New.
4570         (pbb_nb_scattering): Use it.
4571
4572 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4573
4574         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
4575         Pointset_Powerset version of ppl_insert_dimensions.
4576         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
4577
4578 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4579
4580         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
4581
4582 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4583
4584         * graphite-poly.h: Fix comment.
4585
4586 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4587
4588         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
4589
4590 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4591
4592         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
4593         statements.
4594
4595 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4596
4597         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
4598         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
4599         conditions.
4600
4601 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
4602
4603         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
4604         handle EQ_EXPR and NE_EXPR.
4605
4606 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4607
4608         * graphite-poly.h (poly_dr): Fix comment.
4609
4610 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4611             Tobias Grosser  <grosser@fim.uni-passau.de>
4612
4613         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
4614         with a zero dimension polyhedron.
4615         (find_scop_parameters): Move the call to scop_set_nb_params here.
4616         (build_loop_iteration_domains): Store in loop->aux the iteration
4617         domain polyhedron.
4618         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
4619         by any loop in scop.
4620         (build_poly_scop): Do not call scop_set_nb_params.
4621
4622 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4623             Tobias Grosser  <grosser@fim.uni-passau.de>
4624
4625         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
4626         add_condition_to_domain not GT_EXPR.
4627
4628 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4629
4630         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
4631         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
4632         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
4633         upper_bound_assign to calculate unions.
4634         * gcc.dg/graphite/id-6.c: New.
4635
4636 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4637
4638         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
4639         handle abnormal edges.
4640
4641 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4642
4643         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
4644         (free_poly_bb): Also free poly_drs.
4645         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
4646         (poly_dr): Polyhedron to Pointset_Powerset.
4647         (pdr_accessp_nb_subscripts): Same.
4648         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
4649         poly_drs.
4650
4651 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4652
4653         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
4654         names into more meaningful names.
4655
4656 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4657
4658         * gfortran.dg/graphite/interchange-1.c: New.
4659         * gfortran.dg/graphite/interchange-2.c: New.
4660
4661 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4662
4663         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
4664         the reduction_list.
4665         * tree-parloops.c (rewrite_phi_with_iv): New.
4666         (rewrite_all_phi_nodes_with_iv): New.
4667         (canonicalize_loop_ivs): Call them.
4668
4669 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4670
4671         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
4672         graphite_find_data_references_in_stmt.
4673         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
4674         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
4675
4676 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4677
4678         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
4679
4680 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4681
4682         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
4683         instead of bb_in_region.
4684         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
4685         (build_sese_conditions): Use flag_bb_in_sese.
4686         * sese.c (register_bb_in_sese): Removed.
4687         (new_sese): Remove initialization of SESE_REGION_BBS.
4688         (free_sese): Do not free SESE_REGION_BBS.
4689         * sese.h (struct sese): Remove field region_basic_blocks.
4690         (SESE_REGION_BBS): Removed.
4691         (bb_in_sese_p): Implement in function of bb_in_region.
4692
4693 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4694
4695         * graphite-scop-detection.c (limit_scops): Deal only with single exit
4696         loops.
4697
4698 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4699
4700         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
4701         and EQ_EXPR.
4702         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
4703         (add_condition_to_domain): New.
4704         (add_condition_to_pbb): New.
4705         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
4706         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
4707
4708 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4709
4710         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
4711         ppl_Pointset_Powerset.
4712         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
4713         * graphite-poly.h (poly_bb): poly_bb.domain Same.
4714         (pbb_nb_loops): Same.
4715         * graphite-sese-to-poly.c (build_loop_iteration_domains,
4716         add_conditions_to_domain): Same.
4717         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
4718         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
4719         ppl_const_Polyhedron_t.
4720         (ppl_print_powerset_matrix): New.
4721         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
4722         ppl_print_powerset_matrix): New.
4723         (ppl_print_polyhedron_matrix): Updated.
4724
4725 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4726
4727         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
4728
4729 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4730
4731         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
4732         (print_iteration_domains, debug_iteration_domain,
4733         debug_iteration_domains): New.
4734         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
4735         debug_iteration_domains): Declared.
4736         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
4737         indenting.
4738
4739 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4740             Sebastian Pop  <sebastian.pop@amd.com>
4741
4742         * graphite-poly.h (print_iteration_domain): New.
4743         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
4744         (build_sese_conditions_1, build_sese_conditions_after,
4745         build_sese_conditions_before): New.
4746         (build_sese_conditions): Rewritten.
4747
4748 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
4749             Tobias Grosser  <grosser@fim.uni-passau.de>
4750
4751         Cleanup of code generation liveouts.
4752         * graphite-clast-to-gimple.c (translate_clast): Use a single
4753         rename_map instead of one per translated statement.
4754         Do not use SESE_LIVEOUT_RENAMES.
4755         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
4756         (gloog): Do not use SESE_LIVEOUT_RENAMES.
4757         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
4758         phi node of a reduction: when a loop contains a reduction used outside
4759         the loop, there should be a scalar close phi node on the exit block.
4760         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
4761         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
4762         (free_sese): Do not free them.
4763         (sese_build_liveouts_use): Do not use them.
4764         (sese_build_liveouts_bb): Same.
4765         (sese_build_liveouts): Same.
4766         (sese_insert_phis_for_liveouts): Same.
4767         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
4768         (defined_in_loop_p): New.
4769         (alive_after_loop): New.
4770         (close_phi_not_yet_inserted_p): New.
4771         (struct alep, alep_p): New.
4772         (add_loop_exit_phis): Remove from the rename_map all the names defined
4773         in the code generated loop.
4774         (insert_loop_close_phis): Traverse the rename_map passed to it.
4775         Don't use SESE_LIVEOUT_RENAMES.
4776         (default_liveout_before_guard): Renamed default_before_guard.
4777         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
4778         (graphite_copy_stmts_from_block): Do not directly call set_rename.
4779         (register_sese_liveout_renames): Removed.
4780         (copy_bb_and_scalar_dependences): Do not call it.
4781         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
4782         reduction_list.
4783         (SESE_LIVEOUT): Removed.
4784         (SESE_LIVEOUT_RENAMES): Removed.
4785         (SESE_REDUCTION_LIST): Removed.
4786         (sese_build_liveouts): Removed.
4787         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
4788         (insert_loop_close_phis): Pass a htab_t instead of a sese.
4789         (insert_guard_phis): Same.
4790         (rename_map_elt): Declare a VEC of them.
4791         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
4792         trees not pointers to trees.
4793
4794         Rewrite in canonical close SSA form:
4795         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
4796         (limit_scops): Close the scop after the block containing the close phi
4797         nodes.
4798         (canonicalize_loop_closed_ssa): New.
4799         (canonicalize_loop_closed_ssa_form): New.
4800         (build_scops): Call canonicalize_loop_closed_ssa_form.
4801
4802         * graphite-sese-to-poly.c: Fix typos.
4803
4804 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
4805
4806         * graphite-poly.c (print_scattering_function, print_pbb_domain):
4807         Extended.
4808         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
4809         (print_pbb): Add conditions.
4810
4811 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4812             Sebastian Pop  <sebastian.pop@amd.com>
4813
4814         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
4815         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
4816         (build_scop_bbs_1): New.
4817         (build_scop_bbs): Rewrite.
4818         * sese.h (bb_in_region): New.
4819
4820 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4821
4822         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
4823         poly_drs vector.
4824         (print_scop): Style.
4825         * graphite-poly.h (poly_bb): Add drs vector.
4826         (PBB_DRS): Add accessor.
4827         * graphite-sese-to-poly.c (build_poly_dr): New.
4828         (build_pbb_drs, build_scop_drs): New.
4829         (build_poly_scop): call build_scop_drs (Disabled at the moment).
4830
4831 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4832
4833         * tree-ssa-loop.c: Include forgotten toplev.h
4834
4835 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4836
4837         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
4838         * gcc.dg/graphite/pr37883.c: Remove -floop-*
4839         * gcc.dg/graphite/pr37928.c: Same
4840         * gcc.dg/graphite/pr38409.c: Same
4841         * gcc.dg/graphite/pr38498.c: Same
4842         * gcc.dg/graphite/pr38559.c: Same
4843         * gcc.dg/graphite/pr39335.c: Same
4844         * gcc.dg/graphite/pr39335_1.c: Same
4845         * gfortran.dg/graphite/block-2.f: Same
4846         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
4847         with -floop-*.
4848
4849 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
4850
4851         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
4852         build_access_matrix, build_scop_data_accesses): Remove access function
4853         building. (We get a new version soon).
4854         (build_bb_loops, scan_tree_for_params_right_scev): Update.
4855         * sese.h (nb_loops_around_loop_in_sese): Remove.
4856         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
4857
4858 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
4859             Sebastian Pop  <sebastian.pop@amd.com>
4860
4861         * graphite-scop-detection.c (struct scopdet_info): Rename last
4862         field to exit.
4863         (scopdet_basic_block_info, build_scops_1): Don't use
4864         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
4865
4866 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
4867             Sebastian Pop  <sebastian.pop@amd.com>
4868
4869         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
4870         * sese.c (sese_build_liveouts_use): Renamed from
4871         sese_build_livein_liveouts_use. Remove liveins.
4872         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
4873         Call sese_build_liveouts_use.
4874         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
4875         Call sese_build_liveouts_bb.
4876         (new_sese, free_sese): Remove liveins.
4877         (sese_add_exit_phis_var): Deleted.
4878         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
4879         directly.
4880         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
4881
4882         * sese.h (sese): Remove num_ver and livein.
4883         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
4884
4885 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4886
4887         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
4888
4889 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4890
4891         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
4892         (build_scop_scattering): Do not use compare_prefix_loops any more.
4893         (nb_common_loops): New.
4894
4895 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4896
4897         * sese.c (get_new_name_from_old_name): Renamed get_rename.
4898         (register_old_and_new_names): Renamed set_rename.
4899
4900 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4901
4902         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
4903         of the decl from the previous commit.
4904
4905 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4906
4907         * graphite-scop-detection.c (dot_scop): New.
4908         * graphite-scop-detection.h (dot_scop): Declared.
4909
4910 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4911
4912         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
4913
4914 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4915
4916         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
4917         condition at the end of the loop.
4918         * graphite.c (graphite_initialize, graphite_finalize): Print to
4919         dump_file the compiled function.
4920         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
4921         of create_empty_loop_on_edge.
4922         (translate_clast): Update the code generation of loops for the new
4923         shape of loops.
4924         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
4925
4926 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4927
4928         Reverted the patch from 2009-03-19.
4929
4930 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4931
4932         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
4933         poly_drs vector.
4934         (print_scop): Style.
4935         * graphite-poly.h (poly_bb): Add drs vector.
4936         (PBB_DRS): Add accessor.
4937         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
4938         (build_access_matrix_with_af, build_access_matrix,
4939         build_scop_data_accesses): Delete.
4940         (build_poly_dr): New.
4941         (build_pbb_drs, build_scop_drs): New.
4942         (build_poly_scop): call build_scop_drs.
4943
4944 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
4945
4946         * graphite-scop-detection.c (dot_all_scops_1): Close the table
4947         once per basic block.
4948
4949 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4950
4951         * graphite-scop-detection.c (graphite_can_represent_scev): New.
4952         (graphite_can_represent_expr): Renamed from loop_affine_expr
4953         and enhanced.
4954         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
4955         (graphite_cannot_represent_loop): Add scop_entry to parameters.
4956         (scopdet_basic_block_info): Actually define entry_block.
4957         (stmt_simple_memref_p): Moved here from ...
4958
4959         * tree-data-ref.c (stmt_simple_memref_p): here.
4960         * tree-data-ref.h (stmt_simple_memref_p): Removed.
4961
4962 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4963
4964         * gcc.dg/graphite/id-4.c: New.
4965
4966 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
4967
4968         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
4969         (register_old_and_new_names): Update the content of the map.
4970         When there was already a rename_map_elt in the map at that
4971         location, free it.
4972         (copy_bb_and_scalar_dependences): Do rename_variables after
4973         expand_scalar_variables.
4974         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4975         of the map.  When there was already a rename_map_elt in the
4976         map at that location, free it.
4977         (translate_clast): Pass the rename_map.  Do not initialize and free
4978         a rename_map per stmt_user.
4979         (gloog): Initialize and free one rename_map and pass it to
4980         translate_clast.
4981
4982 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
4983
4984         * sese.c (expand_scalar_variables_stmt,
4985         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
4986         parameter.
4987         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
4988         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
4989         the gimple_stmt_iterator of the statement to be expanded.
4990         * graphite-scop-detection.c (is_simple_operand): Do handle
4991         REALPART_EXPR.
4992
4993 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4994
4995         * graphite-scop-detection.c (is_simple_operand): Do not handle
4996         REALPART_EXPR.
4997         * gcc.dg/graphite/id-2.c: New.
4998
4999         * graphite-sese-to-poly.c (build_bb_loops,
5000         add_value_to_dim, scan_tree_for_params_right_scev,
5001         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
5002         find_params_in_bb, build_loop_iteration_domains,
5003         add_conditions_to_domain): Remove subtract.
5004
5005 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5006
5007         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
5008         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
5009         pbb_loop_at_index -> gbb_loop_at_index.
5010         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
5011         (debug_loop_vec): Delete.
5012         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
5013         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
5014         (PBB_LOOPS): Removed.
5015         (PBB_BLACK_BOX): Insert cast.
5016         (pbb_set_black_box): New setter.
5017         (pbb_loop_at_index, pbb_loop_index): Removed.
5018         (scop_set_region, scop_set_nb_params): New.
5019         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
5020         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
5021         (build_poly_scop): Use scop_set_nb_params.
5022         * sese.h (gimple_bb): Add LOOPS.
5023         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
5024
5025 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5026
5027         Revert previous commit.
5028
5029 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
5030
5031         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
5032         (register_old_and_new_names): Update the content of the map.
5033         When there was already a rename_map_elt in the map at that
5034         location, free it.
5035         (copy_bb_and_scalar_dependences): Do rename_variables after
5036         expand_scalar_variables.
5037         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5038         of the map.  When there was already a rename_map_elt in the
5039         map at that location, free it.
5040         (translate_clast): Pass the rename_map.  Do not initialize and free
5041         a rename_map per stmt_user.
5042         (gloog): Initialize and free one rename_map and pass it to
5043         translate_clast.
5044
5045 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5046
5047         Remove forgotten line in revert.
5048
5049 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
5050
5051         Revert previous commit.
5052
5053 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5054
5055         * sese.c (register_old_and_new_names): Update the content
5056         of the map.  When there was already a rename_map_elt in the
5057         map at that location, free it.
5058         (copy_bb_and_scalar_dependences): Do rename_variables after
5059         expand_scalar_variables.
5060         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5061         of the map.  When there was already a rename_map_elt in the
5062         map at that location, free it.
5063         (translate_clast): Pass the rename_map.  Do not initialize and free
5064         a rename_map per stmt_user.
5065         (gloog): Initialize and free one rename_map and pass it to
5066         translate_clast.
5067
5068 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5069
5070         * graphite-clast-to-gimple.c (translate_clast): context_loop
5071         is never NULL.
5072
5073 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5074             Sebastian Pop  <sebastian.pop@amd.com>
5075
5076         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
5077         of the use of ppl_Polyhedron_map_space_dimensions.
5078
5079 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5080             Sebastian Pop  <sebastian.pop@amd.com>
5081
5082         * graphite-poly.c (unify_scattering_dimensions): Fix types.
5083         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
5084         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
5085         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
5086         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
5087         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
5088         pbb_nb_params): New.
5089         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
5090         nb_loops_around_pbb): Adapt return types.
5091
5092 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5093
5094         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5095         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5096         graphite-scop-detection.o, graphite-poly.o): Add
5097         more headers.
5098
5099 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5100
5101         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5102         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5103         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
5104
5105 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5106
5107         * gcc.dg/graphite/pr37485.c: Remove -floop-block
5108         * gcc.dg/graphite/pr37828.c: Same.
5109         * gcc.dg/graphite/pr37684.c: Same.
5110         * gcc.dg/graphite/block-0.c: Same.
5111         * gcc.dg/graphite/block-1.c: Same.
5112         * gcc.dg/graphite/block-2.c: Same.
5113         * gcc.dg/graphite/block-3.c: Same.
5114         * gcc.dg/graphite/block-4.c: Same.
5115         * gcc.dg/graphite/block-5.c: Same.
5116         * gcc.dg/graphite/block-6.c: Same.
5117         * gfortran.dg/graphite/pr38083.f90: Same.
5118         * gfortran.dg/graphite/block-1.f90: Same.
5119         * gfortran.dg/graphite/block-3.f90: Same.
5120         * gfortran.dg/graphite/pr37852.f90: Same.
5121         * gfortran.dg/graphite/block-4.f90: Same.
5122         * gfortran.dg/graphite/pr37980.f90: Same.
5123         * gfortran.dg/graphite/pr38953.f90: Same.
5124         * gfortran.dg/graphite/pr37857.f90: Same.
5125         * opts.c: Remove -floop-block from -O2.
5126         * graphite-poly.c: Fail if -floop-block -floop-interchange or
5127         -floop-strip-mine are used.
5128
5129 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5130             Sebastian Pop  <sebastian.pop@amd.com>
5131
5132         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
5133         dimensions.
5134         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
5135         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
5136         strip_mine_profitable_p, is_interchange_valid,
5137         graphite_trans_bb_block, graphite_trans_loop_block,
5138         graphite_trans_scop_block): Temporary removed.
5139         (extend_scattering, unify_scattering_dimensions): New.
5140         (print_scattering_function, graphite_read_transforms):
5141         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5142         (graphite_generate_scattering_fns): Removed.
5143         (apply_poly_transforms): Cleanup.
5144         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5145         (schedule_to_scattering): Moved.
5146         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
5147         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
5148         (pbb_nb_scattering): New.
5149         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5150         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
5151         Removed.
5152         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
5153         shift_poly.
5154         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5155         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
5156         -> PBB_TRANSFORMED_SCATTERING.
5157         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
5158         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
5159         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
5160         (check_poly_representation): Do not return bool.
5161         (graphite_transform_loops): Reformat.
5162         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
5163
5164 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5165
5166         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
5167         debug_pbb_domain, debug_pbb, debug_scop): New.
5168         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
5169         debug_pbb_domain, debug_pbb, debug_scop): Declared.
5170
5171 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5172
5173         PR middle-end/39335
5174         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
5175         when the type precision of the induction variable should be
5176         larger than the type precision of nit.
5177         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
5178         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
5179         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
5180
5181         * gcc.dg/graphite/pr39335_1.c: New.
5182         * gcc.dg/graphite/pr39335.c: New.
5183
5184 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5185
5186         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
5187         SSA_NAMES not struct reduction_info.
5188
5189 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5190
5191         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
5192
5193 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5194             Tobias Grosser  <grosser@fim.uni-passau.de>
5195
5196         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
5197         (free_sese): Free SESE_REDUCTION_LIST.
5198         * sese.h (struct sese): Add field reduction_list.
5199         (SESE_REDUCTION_LIST): New.
5200         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
5201         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
5202
5203 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5204             Tobias Grosser  <grosser@fim.uni-passau.de>
5205
5206         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
5207         of loop_p.
5208
5209 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5210             Tobias Grosser  <grosser@fim.uni-passau.de>
5211
5212         * tree-parloops.c (struct brli, build_reduction_list_info,
5213         analyze_reduction_list, gather_scalar_reductions): New.
5214         (loop_parallel_p): Build a reduction list containing only
5215         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
5216         (gen_parallel_loop): Call the analysis analyze_reduction_list.
5217         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
5218         * tree-flow.h (gather_scalar_reductions): Declared.
5219
5220 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
5221
5222         PR middle-end/39308
5223         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
5224         number_of_iterations_exit from a gcc_assert.
5225
5226 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
5227             Jan Sjodin  <jan.sjodin@amd.com>
5228
5229         * output.h (graphite_out_file, graphite_in_file): Declared.
5230         * toplev.c (graphite_out_file, graphite_in_file): New.
5231         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
5232         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
5233         Don't call schedule_to_scattering.
5234         * common.opt (fgraphite-write, fgraphite-read): New.
5235         * graphite-poly.c: Include output.h.
5236         (print_scattering_function, print_scattering_functions,
5237         debug_scattering_function, debug_scattering_functions,
5238         graphite_write_transforms, graphite_read_transforms,
5239         graphite_generate_scattering_fns): New.
5240         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
5241         Call graphite_generate_scattering_fns, graphite_write_transforms,
5242         graphite_read_transforms.
5243         (new_poly_bb): Initialize PBB_SCATTERING.
5244         (free_poly_bb): Free PBB_SCATTERING.
5245         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
5246         * graphite-poly.h (struct poly_bb): Add field scattering.
5247         (PBB_SCATTERING): New.
5248         (print_scattering_function, print_scattering_functions,
5249         debug_scattering_function, debug_scattering_functions): Declared.
5250         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
5251         GMP values, not integers!
5252         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
5253         ppl_read_polyhedron_matrix): New.
5254         * graphite-ppl.h (ppl_print_polyhedron_matrix,
5255         debug_ppl_polyhedron_matrix,
5256         ppl_read_polyhedron_matrix): Declared.
5257         * Makefile.in (graphite-poly.o): Depends on output.h.
5258
5259 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5260             Tobias Grosser  <grosser@fim.uni-passau.de>
5261
5262         Revert this change:
5263         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5264         scalar evolutions in the scop_entry->loop_father.
5265
5266 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5267             Tobias Grosser  <grosser@fim.uni-passau.de>
5268
5269         * graphite.h (ref_nb_loops): Remove declaration.
5270         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
5271         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
5272         debug_gbb): Moved to sese.h.
5273         * sese.h: As said.
5274
5275 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5276             Tobias Grosser  <grosser@fim.uni-passau.de>
5277
5278         * graphite-data-ref.[ch]: Disable.
5279
5280 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5281             Tobias Grosser  <grosser@fim.uni-passau.de>
5282
5283         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5284         scalar evolutions in the scop_entry->loop_father.
5285
5286 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5287
5288         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
5289         (graphite_cannot_represent_loop_niter): Renamed
5290         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
5291         (limit_scops): build_sese_loop_nests does not return a bool.
5292         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
5293         * sese.c (nb_reductions_in_loop): ... from here.
5294         (graphite_loop_normal_form): ... from here.
5295         (sese_record_loop): Does not fail, so does not return a bool.
5296         (build_sese_loop_nests): Same.
5297         * sese.h (build_sese_loop_nests): Update declaration.
5298         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
5299         (build_graphite_loop_normal_form): New.
5300         (gloog): Call build_graphite_loop_normal_form.
5301         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
5302         build_sese_loop_nests.
5303
5304         * gcc.dg/graphite/id-1.c: New.
5305
5306 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5307             Tobias Grosser  <grosser@fim.uni-passau.de>
5308
5309         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
5310         The SCoP detection fix is sufficient.
5311
5312 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5313
5314         PR tree-optimization/39260
5315         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
5316         the basic block contains a condition with a real type.
5317         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
5318
5319         * gcc.dg/graphite/pr39260.c: New.
5320
5321 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5322
5323         * graphite-poly.c: Inlcude params.h.
5324         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
5325         the size of a tile.
5326         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
5327         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
5328
5329 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5330             Tobias Grosser  <grosser@fim.uni-passau.de>
5331
5332         * graphite-scop-detection.c (dot_all_scops_1,
5333         dot_all_scops): Moved here.
5334         * graphite-scop-detection.h (dot_all_scops): Declared here.
5335         * graphite.c (graphite_initialize, graphite_finalize): New.
5336         (graphite_transform_loops): Cleaned up.
5337         * sese.c (debug_oldivs): Moved here.
5338         * graphite-poly.c (graphite_apply_transformations): Renamed
5339         apply_poly_transforms.
5340         (debug_loop_vec): Moved here.
5341         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
5342         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
5343         find_scop_parameters, build_scop_iteration_domain,
5344         add_conditions_to_constraints, build_scop_canonical_schedules,
5345         build_scop_data_accesses): Now static.
5346         (build_poly_scop, check_poly_representation): New.
5347
5348 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5349
5350         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
5351         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
5352         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
5353         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
5354         scan_tree_for_params_right_scev, scan_tree_for_params_int,
5355         scan_tree_for_params, struct irp_data, dx_record_params,
5356         find_params_in_bb, find_scop_parameters, gbb_from_bb,
5357         build_loop_iteration_domains, add_conditions_to_domain,
5358         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
5359         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
5360         build_sese_conditions, add_conditions_to_constraints,
5361         build_scop_iteration_domain, build_access_matrix_with_af,
5362         build_access_matrix,
5363         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
5364
5365         * graphite-sese-to-poly.c: New.
5366         * graphite-sese-to-poly.h: New.
5367
5368         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
5369
5370 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5371
5372         * graphite.c: Split graphite code generation to a new file.
5373         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
5374         max_precision_type, clast_to_gcc_expression_red,
5375         clast_to_gcc_expression, gcc_type_for_clast_expr,
5376         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
5377         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
5378         graphite_create_new_guard, clast_get_body_of_loop,
5379         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
5380         graphite_create_new_loop, build_iv_mapping, copy_renames,
5381         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
5382         compute_cloog_iv_types, free_scattering, save_var_name,
5383         initialize_cloog_names, build_scop_context, build_cloog_prog,
5384         set_cloog_options, debug_clast_stmt, scop_to_clast,
5385         print_generated_program, debug_generated_program,
5386         gloog): Moved to graphite-clast-to-gimple.c.
5387
5388         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
5389
5390         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
5391         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
5392         loop_iv_stack_pop, loop_iv_stack_get_iv,
5393         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
5394         free_loop_iv_stack, loop_iv_stack_remove_constants,
5395         debug_rename_elt, debug_rename_map_1, debug_rename_map,
5396         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
5397         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
5398         eq_ivtype_map_elts, sese_add_exit_phis_edge,
5399         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
5400         get_vdef_before_sese, sese_adjust_vphi,
5401         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
5402         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
5403         is_iv, expand_scalar_variables_ssa_name,
5404         expand_scalar_variables_expr, expand_scalar_variables_stmt,
5405         expand_scalar_variables, rename_variables, remove_condition,
5406         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
5407         add_loop_exit_phis, insert_loop_close_phis, struct igp,
5408         default_liveout_before_guard, add_guard_exit_phis,
5409         insert_guard_phis, register_old_and_new_names,
5410         graphite_copy_stmts_from_block, register_sese_liveout_renames,
5411         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
5412         if_region_set_false_region, create_if_region_on_edge,
5413         move_sese_in_condition): Moved to sese.c.
5414
5415         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
5416         if_region_exit, if_region_get_condition_block,
5417         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
5418         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
5419         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
5420         ivtype_map_elt, new_ivtype_map_elt,
5421         recompute_all_dominators): Moved to sese.h.
5422
5423         * graphite-clast-to-gimple.c: New.
5424         * graphite-clast-to-gimple.h: New.
5425         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
5426         * sese.c: Modified as said above.
5427         * sese.h: Same.
5428
5429 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5430
5431         * graphite.c: Split scop detection to a new file.
5432         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
5433         move_sd_regions, loop_affine_expr, exclude_component_ref,
5434         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
5435         graphite_cannot_represent_loop_niter, struct scopdet_info,
5436         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
5437         find_single_entry_edge, find_single_exit_edge,
5438         create_single_entry_edge, sd_region_without_exit,
5439         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
5440         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
5441         Moved to graphite-scop-detection.c.
5442
5443         * graphite-scop-detection.c: New.
5444         * graphite-scop-detection.h: New.
5445         * Makefile.in: Add new rule for graphite-scop-detection.o.
5446
5447         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
5448         tree-scalar-evolution.h.
5449         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
5450         build_sese_loop_nests): Moved here from graphite.c.
5451         (param_index): Renamed parameter_index_in_region.
5452
5453 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
5454             Sebastian Pop  <sebastian.pop@amd.com>
5455
5456         * gcc.dg/graphite/block-0.c: Expected to fail now.
5457         * gcc.dg/graphite/block-1.c: Same.
5458         * gcc.dg/graphite/block-5.c: Same.
5459         * gcc.dg/graphite/block-6.c: Same.
5460
5461 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
5462             Sebastian Pop  <sebastian.pop@amd.com>
5463
5464         * graphite.h: Separate from graphite_bb_p the polyhedral
5465         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
5466         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
5467         graphite-data-ref.h.
5468         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
5469         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
5470         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
5471         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5472         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
5473         scop_nb_params): Moved to graphite-poly.h.
5474         * graphite-data-ref.c: Same.
5475         * graphite-data-ref.h: New.
5476         * graphite.c: Same.
5477         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
5478         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
5479         is_interchange_valid, graphite_trans_bb_block,
5480         graphite_trans_loop_block, scop_max_loop_depth,
5481         graphite_trans_scop_block, graphite_apply_transformations,
5482         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
5483         graphite-poly.c.
5484         * graphite-poly.h: New.
5485         * graphite-poly.c: New.
5486         * Makefile.in (OBJS-common): Add graphite-poly.o.
5487         (graphite-poly.o): New rule.
5488         * tree-data-ref.h (struct data_reference): Remove unused scop field.
5489         (DR_SCOP): Removed.
5490
5491 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
5492             Tobias Grosser  <grosser@fim.uni-passau.de>
5493
5494         * graphite.c: Replace gb -> gbb.
5495         * graphite.h: Same.
5496         * graphite-data-ref.c: Same.
5497
5498 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
5499             Tobias Grosser  <grosser@fim.uni-passau.de>
5500
5501         * Makefile.in (OBJS-commmon): Add sese.o.
5502         (sese.o): New.
5503         (graphite.o): Add sese.h.
5504         * graphite.c (bb_in_ss_p, loop_in_sese_p,
5505         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
5506         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
5507         Move to sese.
5508         (block_before_scop): Add missing return.
5509         (new_scop, free_scop): Remove SESE data structures.
5510         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
5511         find_scop_parameters, build_loop_iteration_domains,
5512         add_conditions_to_domain, register_scop_liveout_renames,
5513         copy_bb_and_scalar_dependences): Scop -> SESE.
5514
5515         (add_conditions_to_domain): SCoP -> SESE and remove check
5516         (scop_contains_non_iv_scalar_phi_nodes): New.
5517         (build_scop_conditions_1, build_scop_conditions): Remove check for
5518         non iv scalar phi nodes.
5519         (print_scop_statistics): New.
5520         (graphite_transform_loops): Cleanup.
5521
5522         * graphite.h: Move to sese & cleanup.
5523         * sese.c: New.
5524         * sese.h: New.
5525
5526 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5527             Tobias Grosser  <grosser@fim.uni-passau.de>
5528
5529         * graphite.c (build_scop_conditions_1): Conditions are only
5530         at the end of a basic block.
5531
5532 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5533             Tobias Grosser  <grosser@fim.uni-passau>
5534
5535         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
5536         field.
5537         (GBB_ALPHA): Removed.
5538
5539 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5540             Tobias Grosser  <grosser@fim.uni-passau.de>
5541
5542         * graphite-data-ref.c (graphite_test_dependence): Don't use
5543         GBB_DYNAMIC_SCHEDULE.
5544         * graphite.c (new_graphite_bb): Same.
5545         (free_graphite_bb): Same.
5546         (build_scop_dynamic_schedules): Removed.
5547         (graphite_transform_loops): Don't call it.
5548         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
5549         (GBB_DYNAMIC_SCHEDULE): Removed.
5550
5551 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5552             Tobias Grosser  <grosser@fim.uni-passau.de>
5553
5554         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
5555         (print_graphite_bb): Same.
5556         (build_cloog_prog): Same.
5557
5558 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5559             Tobias Grosser  <grosser@fim.uni-passau.de>
5560
5561         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
5562
5563 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5564             Tobias Grosser  <grosser@fim.uni-passau.de>
5565
5566         * graphite.c (build_scop_context): Don't use CloogMatrix.
5567         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
5568         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
5569
5570 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5571             Tobias Grosser  <grosser@fim.uni-passau.de>
5572
5573         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
5574         liveout_renames, add_params fields...
5575         (struct sese): ... here.
5576         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
5577         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
5578
5579 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5580             Tobias Grosser  <grosser@fim.uni-passau.de>
5581
5582         * graphite.c (print_scop): Do not print the CLooG program.
5583         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
5584         build_cloog_prog, gloog): Don't use SCOP_PROG.
5585         (find_transform): Renamed scop_to_clast.
5586         (print_generated_program, debug_generated_program): New.
5587         (graphite_transform_loops): Adapt to new interface.
5588         * graphite.h (struct scop): Remove program field.
5589         (SCOP_PROG): Removed.
5590         (print_generated_program, debug_generated_program): Declared.
5591
5592 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5593
5594         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
5595         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
5596         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
5597         free_graphite_bb, build_scop_canonical_schedules,
5598         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
5599         schedules are now represented using a ppl_Linear_Expression_t.
5600         * graphite.h (struct graphite_bb): Same.
5601         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
5602         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
5603
5604 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5605
5606         * graphite.c: Free local memory.
5607         * graphite-ppl.c: Same.
5608
5609 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5610
5611         * graphite.c (const_column_index, get_first_matching_sign_row_index,
5612         get_lower_bound_row, get_upper_bound_row, copy_constraint,
5613         swap_constraint_variables, scale_constraint_variable): Removed.
5614         (graphite_trans_bb_strip_mine): Remove pong.
5615         * graphite-ppl.c: Include missing header files.
5616         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
5617         * graphite-ppl.h (ppl_strip_loop): Declared.
5618         * Makefile.in (graphite-ppl.o): Adjust dependences.
5619
5620 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
5621
5622         * graphite.c (build_loop_iteration_domains): Remove ping pong.
5623         (build_scop_iteration_domain): Same.
5624
5625 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5626
5627         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5628         ping pong.
5629         (add_value_to_dim, scan_tree_for_params_right_scev,
5630         scan_tree_for_params_int): New.
5631         * graphite-ppl.c (oppose_constraint): New.
5632         (insert_constraint_into_matrix): Implement missing cases.
5633         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5634
5635 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5636
5637         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5638         use ppl_move_dimension.
5639
5640 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5641
5642         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
5643         * graphite.c: Same.
5644         * graphite.h: Same.
5645         * graphite-ppl.c: Same.
5646         * graphite-ppl.h: Same.
5647
5648 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5649
5650         Revert last 3 commits.
5651
5652 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5653
5654         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5655         ping pong.
5656         (add_value_to_dim, scan_tree_for_params_right_scev,
5657         scan_tree_for_params_int): New.
5658         * graphite-ppl.c (oppose_constraint): New.
5659         (insert_constraint_into_matrix): Implement missing cases.
5660         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5661
5662 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5663
5664         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
5665
5666 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5667             Tobias Grosser  <grosser@fim.uni-passau.de>
5668
5669         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5670         use ppl_move_dimension.
5671         * graphite-ppl.c (ppl_move_dimension): New.
5672         * graphite-ppl.h (ppl_move_dimension): Declared.
5673
5674 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5675
5676         * graphite.c: Do not include cloog/cloog.h.
5677         (print_graphite_bb): Remove ping pong, call PPL print function.
5678
5679 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5680
5681         * Makefile.in (OBJS-common): Add graphite-ppl.o.
5682         (graphite.o): Add dependence on graphite-ppl.h.
5683         (graphite-ppl.o): New.
5684         (graphite-data-ref.c): Ping pong between PPL data structures
5685         and matrices.
5686         * graphite-ppl.c: New.
5687         * graphite-ppl.h: New.
5688         * graphite.c: Include graphite-ppl.h.
5689         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
5690         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
5691         Ping pong between PPL data structures and matrices.
5692         (new_graphite_bb): Create a PPL constraint system.
5693         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
5694         (build_loop_iteration_domains): Use PPL functions.
5695         * graphite.h: Include graphite-ppl.h.  Fix comments.
5696         (graphite_bb): Use a ppl_Constraint_System_t instead of
5697         CloogMatrix for representing the domain.
5698         (scop): Remove static_schedule.
5699         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
5700
5701 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
5702
5703         * graphite.c: Fix some comments.
5704
5705 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
5706
5707         PR middle-end/38953
5708         * graphite.c (if_region_set_false_region): After moving a region
5709         in the false branch of a condition, remove the empty dummy
5710         basic block.
5711         (gloog): Remove wrong fix for PR38953.
5712
5713 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5714
5715         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5716         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5717         register_bb_in_sese, new_sese, free_sese): Moved.
5718         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5719         outermost_loop_in_scop, build_scop_iteration_domain,
5720         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5721         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5722         Use loop_in_sese_p instead of loop_in_scop_p.
5723         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
5724         (free_scop): Do not free SCOP_BBS_B.
5725         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
5726         ref_nb_loops): Moved here...
5727         * graphite.h (ref_nb_loops): ... from here.
5728         (struct scop): Remove bbs_b bitmap.
5729         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5730         * gcc.dg/graphite/scop-19.c: New
5731
5732 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5733
5734         * graphite.c (scopdet_basic_block_info): Fix bug in scop
5735         detection.
5736
5737 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5738
5739         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5740         eq_loop_to_cloog_loop): Remove.
5741         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
5742         * graphite.h (struct scop): Remove loop2cloog_loop.
5743         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5744
5745 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5746
5747         * opts.c (decode_options): Only add graphite options to O2
5748         if we compile with graphite enabled.
5749
5750 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
5751
5752         * Merge from mainline (r143163:143684).
5753
5754 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
5755
5756         * graphite.c (debug_value): Removed.
5757         * graphite.h (debug_value): Removed.
5758
5759 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5760
5761         * passes.c (init_optimization_passes): Do not call pass_copy_prop
5762         after graphite: pass_copy_prop does not maintain a proper loop closed
5763         SSA form.  pass_copy_prop should be fixed.
5764
5765 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5766
5767         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
5768
5769 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5770
5771         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
5772         (gloog): Split the exit of the scop when the scop exit is a loop exit.
5773         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
5774         changed the CFG.
5775
5776 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
5777
5778         * graphite.c (gloog): Return true when code gen succeeded.
5779         (graphite_transform_loops): Do not call cleanup_tree_cfg if
5780         the code of the function did not changed.  After cleanup_tree_cfg
5781         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
5782         form.
5783
5784 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
5785
5786         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5787         gimple_call_lhs is NULL.
5788
5789 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5790             Tobias Grosser  <tobi.grosser@amd.com>
5791
5792         * graphite.c (graphite_trans_scop_block): Do not block single
5793         nested loops.
5794
5795 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5796             Tobias Grosser  <tobi.grosser@amd.com>
5797
5798         * graphite.c (build_scop_canonical_schedules): Start schedules at
5799         zero.
5800
5801 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5802             Tobias Grosser  <tobi.grosser@amd.com>
5803
5804         * graphite.c (compare_prefix_loops): New.
5805         (build_scop_canonical_schedules): Rewritten.
5806         (graphite_transform_loops): Move build_scop_canonical_schedules
5807         after build_scop_iteration_domain.
5808
5809 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5810             Tobias Grosser  <tobi.grosser@amd.com>
5811
5812         * graphite.c (add_conditions_to_domain): Add the loops to
5813         the dimension of the iteration domain.  Do copy the domain
5814         only when it exists.
5815         (build_scop_conditions_1): Do not call add_conditions_to_domain.
5816         (add_conditions_to_constraints): New.
5817         (can_generate_code_stmt, can_generate_code): Removed.
5818         (gloog): Do not call can_generate_code.
5819         (graphite_transform_loops): Call add_conditions_to_constraints
5820         after building the iteration domain.
5821
5822 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5823             Tobias Grosser  <tobi.grosser@amd.com>
5824             Jan Sjodin  <jan.sjodin@amd.com>
5825
5826         * graphite.c (scan_tree_for_params): On substractions negate
5827         all the coefficients of the term.
5828         (clast_to_gcc_expression_red): New.  Handle reduction expressions
5829         of more than two operands.
5830         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5831         (get_vdef_before_scop): Handle also the case of default definitions.
5832
5833 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5834
5835         PR middle-end/38431
5836         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5837         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5838         (gloog): Do not call cleanup_tree_cfg.
5839         (graphite_transform_loops): Call cleanup_tree_cfg after all
5840         scops have been code generated.
5841
5842 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5843
5844         * passes.c (init_optimization_passes): Schedule after
5845         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
5846
5847 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5848
5849         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
5850         Fix comment.
5851         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
5852         Set the type of an expression to the type of its assign statement.
5853         (expand_scalar_variables_expr):  Do not pass loop_p.
5854         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
5855         (copy_bb_and_scalar_dependences): Do not pass loop_p.
5856         (translate_clast): Update call to copy_bb_and_scalar_dependences.
5857
5858 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5859
5860         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
5861         an expression to the gimple_expr_type of its assign statement.
5862         (expand_scalar_variables_expr): Stop recursion on tcc_constant
5863         or tcc_declaration.
5864
5865 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5866
5867         PR tree-optimization/38786
5868         * gcc.dg/graphite/pr38786.c: New.
5869         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5870         the SSA_NAME case of expand_scalar_variables_expr.
5871         (expand_scalar_variables_expr): Also gather the scalar computation
5872         used to index the memory access.
5873         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5874         the gimple_stmt_iterator where it inserts new code.
5875
5876 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5877
5878         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
5879
5880 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5881
5882         * opts.c (decode_options): Enable flag_graphite_identity and
5883         flag_loop_block in -O2 and above.
5884
5885 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5886
5887         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
5888         Fix merge problem: replace with the file from trunk.
5889
5890 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5891
5892         * Merge from mainline (r141727:143163).
5893
5894 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
5895             Jan Sjodin  <jan.sjodin@amd.com>
5896
5897         PR tree-optimization/38559
5898         * gcc.dg/graphite/pr38559.c: New.
5899
5900         * graphite.c (debug_value, copy_constraint,
5901         swap_constraint_variables, scale_constraint_variable, ): New.
5902         (get_lower_bound, get_upper_bound): Removed.
5903         (graphite_trans_bb_strip_mine): Clean up this code that works
5904         only for constant number of iterations.  Fully copy upper and
5905         lower bound constraints, not only the constant part of them.
5906         * graphite.h (debug_value): Declared.
5907
5908 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
5909
5910         PR tree-optimization/38492
5911         PR tree-optimization/38498
5912         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5913         * tree-chrec.h (scev_is_linear_expression): Declared.
5914         * graphite.c (graphite_cannot_represent_loop_niter): New.
5915         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5916         (graphite_loop_normal_form): Use gcc_assert.
5917         (scan_tree_for_params): Use CASE_CONVERT.
5918         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5919         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5920         Use gcc_assert.  Discard scops that contain unhandled cases.
5921         (build_scop_conditions): Return a boolean status for unhandled cases.
5922         (strip_mine_profitable_p): Print the loop number, not its depth.
5923         (is_interchange_valid): Pass the depth of the loop nest, don't
5924         recompute it wrongly.
5925         (graphite_trans_bb_block): Same.
5926         (graphite_trans_bb_block): Print tentative of loop blocking.
5927         (graphite_trans_scop_block): Do not print that the loop has been
5928         blocked.
5929         (graphite_transform_loops): Do not handle scops that contain condition
5930         scalar phi nodes.
5931
5932         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
5933         in trunk.
5934         * gcc.dg/graphite/block-0.c: Update test.
5935         * gcc.dg/graphite/block-1.c: Same.
5936         * gcc.dg/graphite/block-2.c: Remove xfail and test for
5937         blocking.
5938         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
5939         * gcc.dg/graphite/block-3.c: New.
5940         * gcc.dg/graphite/pr38498.c: New.
5941
5942 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
5943
5944         PR tree-optimization/38510
5945         * gcc.dg/graphite/pr38510.c: New.
5946         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5947           (translate_clast): Call recompute_all_dominators before
5948           graphite_verify.
5949           (gloog): Call recompute_all_dominators before graphite_verify.
5950
5951 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5952
5953         PR tree-optimization/38492
5954         * graphite.c (rename_map_elt, debug_rename_elt,
5955         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5956         rename_map_elt_info, eq_rename_map_elts,
5957         get_new_name_from_old_name, bb_in_sese_p): Moved around.
5958         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5959         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5960         (sese_build_livein_liveouts): New.
5961         (new_sese, free_sese): New.
5962         (new_scop): Call new_sese.
5963         (free_scop): Call free_sese.
5964         (rename_variables_from_edge, rename_phis_end_scop): Removed.
5965         (register_old_new_names): Renamed register_old_and_new_names.
5966         (register_scop_liveout_renames, add_loop_exit_phis,
5967         insert_loop_close_phis, struct igp,
5968         default_liveout_before_guard, add_guard_exit_phis,
5969         insert_guard_phis, copy_renames): New.
5970         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5971         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5972         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5973         (scop_adjust_phis_for_liveouts): New.
5974         (gloog): Call scop_adjust_phis_for_liveouts.
5975
5976         * graphite.h (struct sese): Documented.  Added fields liveout,
5977         num_ver and livein.
5978         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5979         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5980         (struct scop): Added field liveout_renames.
5981         (SCOP_LIVEOUT_RENAMES): New.
5982
5983 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5984
5985         PR tree-optimization/38409
5986         * gcc.dg/graphite/pr38409.c: New.
5987         * graphite.c (nb_reductions_in_loop): Use simple_iv.
5988
5989 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5990
5991         * graphite.c (gcc_type_for_cloog_iv): By default return
5992         integer_type_node.
5993         (graphite_create_new_loop): Don't fold_convert the already
5994         fold_convert-ed expression.
5995
5996 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
5997
5998         PR tree-optimization/38446
5999         * gcc.dg/graphite/pr38446.c: New.
6000         * graphite.c (register_bb_in_sese): New.
6001         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
6002         looking at the bbs in the region.
6003         * graphite.h (sese): Add region_basic_blocks pointer set to
6004         structure and initialize at the time of defining new scop.
6005
6006 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6007
6008         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
6009         (find_params_in_bb): Do not free data refs.
6010         (free_graphite_bb): Add FIXME on disabled free_data_refs.
6011
6012 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6013
6014         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
6015         * gcc.dg/graphite/scop-17.c: Same.
6016         * gcc.dg/graphite/block-5.c: New.
6017         * gcc.dg/graphite/block-6.c: New.
6018         * gcc.dg/graphite/pr37485.c: Clean dump file after.
6019         * gcc.dg/graphite/pr37684.c: Same.
6020         * gcc.dg/graphite/block-2.c: Same.
6021
6022         * graphite.c (struct ivtype_map_elt): New.
6023         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
6024         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
6025         gcc_type_for_cloog_iv): New.
6026         (loop_iv_stack_patch_for_consts): Use the type of the induction
6027         variable from the original loop, except for the automatically
6028         generated loops, i.e., in the case of a strip-mined loop, in
6029         which case there is no original loop: in that case just use
6030         integer_type_node.
6031         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
6032         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
6033         (clast_name_to_gcc): Accept params to be NULL.
6034         (clast_to_gcc_expression): Take an extra parameter for the type.
6035         Convert to that type all the expressions built by this function.
6036         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
6037         (graphite_translate_clast_equation): Compute the type of the
6038         clast_equation before translating its LHS and RHS.
6039         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
6040         (graphite_create_new_loop): Compute the type of the induction
6041         variable before translating the lower and upper bounds and before
6042         creating the induction variable.
6043         (rename_variables_from_edge, rename_phis_end_scop): New.
6044         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
6045         (sese_add_exit_phis_edge): Do not use integer_zero_node.
6046         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
6047         compute_cloog_iv_types): New.
6048         (gloog): Call compute_cloog_iv_types before starting the
6049         translation of the clast.
6050
6051         * graphite.h (struct graphite_bb): New field cloog_iv_types.
6052         (GBB_CLOOG_IV_TYPES): New.
6053         (debug_ivtype_map): Declared.
6054         (oldiv_for_loop): New.
6055
6056 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6057
6058         PR middle-end/38459
6059         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
6060         (param_index): Assert if parameter is not know after parameter
6061         detection.
6062         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
6063         (find_scop_parameters): Mark, that we have finished parameter
6064         detection.
6065         (graphite_transform_loops): Move condition detection before parameter
6066         detection.
6067         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
6068         * gfortran.dg/graphite/pr38459.f90: New.
6069
6070 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6071
6072         * graphite.c (graphite_transform_loops): Always call find_transform ()
6073         in ENABLE_CHECKING.  So we test these code paths, even if we do not
6074         generate code.
6075
6076 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6077
6078         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
6079         (print_scop): Ditto.
6080
6081 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6082
6083         PR middle-end/38084
6084         Fix gfortran.dg/graphite/id-3.f90.
6085         * graphite.c (scopdet_basic_block_info): Fix bug that found some
6086         regions more than once.
6087
6088 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6089
6090         Fix gfortran.dg/graphite/id-4.f90.
6091         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
6092         when not needed.
6093
6094 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6095
6096         Fix gfortran.dg/graphite/id-1.f90.
6097         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
6098         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
6099         (max_precision_type): New.
6100         (value_clast): Removed.
6101         (clast_to_gcc_expression): Be more careful to types of expressions.
6102         Use max_precision_type and update use of gmp_cst_to_tree.
6103         (graphite_translate_clast_equation): Use max_precision_type.
6104         (graphite_create_guard_cond_expr): Do not use integer_type_node,
6105         use the type of the condition.
6106         (graphite_create_new_loop): Do not use integer_type_node, use the
6107         max_precision_type of lb and ub.
6108
6109 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6110
6111         * graphite.c (build_scops_1): Initialize open_scop.exit
6112         and sinfo.last.
6113
6114 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6115
6116         * gcc.dg/graphite/pr38084.c: New.
6117         * gfortran.dg/graphite/id-1.f90: New.
6118         * gfortran.dg/graphite/id-2.f90: New.
6119         * gfortran.dg/graphite/id-3.f90: New.
6120         * gfortran.dg/graphite/id-4.f90: New.
6121         * gfortran.dg/graphite/pr37857.f90: New.
6122
6123 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6124             Jan Sjodin  <jan.sjodin@amd.com>
6125             Harsha Jagasia  <harsha.jagasia@amd.com>
6126
6127         PR middle-end/37852
6128         PR middle-end/37883
6129         PR middle-end/37928
6130         PR middle-end/37980
6131         PR middle-end/38038
6132         PR middle-end/38039
6133         PR middle-end/38073
6134         PR middle-end/38083
6135         PR middle-end/38125
6136
6137         * gcc.dg/graphite/pr38073.c: New.
6138         * gcc.dg/graphite/pr37928.c: New.
6139         * gcc.dg/graphite/pr37883.c: New.
6140         * gcc.dg/graphite/pr38125.c: New.
6141         * gfortran.dg/graphite/pr38083.f90: New.
6142         * gfortran.dg/graphite/pr37852.f90: New.
6143         * gfortran.dg/graphite/pr37980.f90: New.
6144
6145         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
6146         the number of detected scops.  Copy exact same test for loop
6147         blocking...
6148         * gcc.dg/graphite/block-1.c: Fix the number of expected
6149         loops to be blocked as reductions are not handled.
6150         * gcc.dg/graphite/block-4.c: ...here.  New.
6151
6152         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
6153         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
6154         ...here.
6155         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
6156         * Makefile.in (graphite.o): Depend on value-prof.h.
6157         (graphite.o-warn): Removed -Wno-error.
6158         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
6159         to be a NULL pointer.  Call update_stmt.  Return the newly created
6160         cannonical induction variable.
6161
6162         * graphite.h (debug_rename_map): Declared.  Fix some comments.
6163
6164         * graphite.c: Reimplement the code generation from graphite to gimple.
6165         Include value-prof.h.
6166         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
6167         (get_old_iv_from_ssa_name): Removed.
6168         (graphite_stmt_p): New.
6169         (new_graphite_bb): Test for useful statements before building a
6170         graphite statement for the basic block.
6171         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
6172         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
6173         reason.
6174         (recompute_all_dominators, graphite_verify,
6175         nb_reductions_in_loop, graphite_loop_normal_form): New.
6176         (scop_record_loop): Call graphite_loop_normal_form.
6177         (build_scop_loop_nests): Iterate over all the blocks of the
6178         function instead of relying on the incomplete information from
6179         SCOP_BBS.  Return the success of the operation.
6180         (find_params_in_bb): Use the data from GBB_DATA_REFS.
6181         (add_bb_domains): Removed.
6182         (build_loop_iteration_domains): Don't call add_bb_domains.
6183         Add the iteration domain only to the basic blocks that have been
6184         translated to graphite.
6185         (build_scop_conditions_1): Add constraints only if the basic
6186         block have been translated to graphite.
6187         (build_scop_data_accesses): Completely disabled until data
6188         dependence is correctly implemented.
6189         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
6190         (remove_all_edges_1, remove_all_edges): Removed.
6191         (get_new_name_from_old_name): New.
6192         (graphite_rename_variables_in_stmt): Renamed
6193         rename_variables_in_stmt.  Call get_new_name_from_old_name.
6194         Use replace_exp and update_stmt.
6195         (is_old_iv): Renamed is_iv.
6196         (expand_scalar_variables_stmt): Extra parameter for renaming map.
6197         Use replace_exp and update_stmt.
6198         (expand_scalar_variables_expr): Same.  Use the map to get the
6199         new names for the renaming of induction variables and for the
6200         renaming of variables after a basic block has been copied.
6201         (expand_scalar_variables): Same.
6202         (graphite_rename_variables): Renamed rename_variables.
6203         (move_phi_nodes): Removed.
6204         (get_false_edge_from_guard_bb): New.
6205         (build_iv_mapping): Do not insert the induction variable of a
6206         loop in the renaming iv map if the basic block does not belong
6207         to that loop.
6208         (register_old_new_names, graphite_copy_stmts_from_block,
6209         copy_bb_and_scalar_dependences): New.
6210         (translate_clast): Heavily reimplemented: copy basic blocks,
6211         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
6212         At each translation step call graphite_verify ensuring the
6213         consistency of the SSA, loops and dominators information.
6214         (collect_virtual_phis, find_vdef_for_var_in_bb,
6215         find_vdef_for_var_1, find_vdef_for_var,
6216         patch_phis_for_virtual_defs): Removed huge hack.
6217         (mark_old_loops, remove_dead_loops, skip_phi_defs,
6218         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
6219         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
6220         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
6221         if_region_get_condition_block, if_region_set_false_region,
6222         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
6223         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
6224         sese_add_exit_phis_edge, sese_add_exit_phis_var,
6225         rewrite_into_sese_closed_ssa): New.
6226         (gloog): Remove dead code.  Early return if code cannot be
6227         generated.  Call cleanup_tree_cfg once the scop has been code
6228         generated.
6229         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
6230         block loops with less than two loops.
6231         (graphite_apply_transformations): Remove the call to
6232         scop_remove_ignoreable_gbbs.
6233         (limit_scops): When build_scop_loop_nests fails, continue on
6234         the next scop.  Fix open_scop.entry.
6235         (graphite_transform_loops): Call recompute_all_dominators: force the
6236         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
6237         Call initialize_original_copy_tables and free_original_copy_tables
6238         to be able to copy basic blocks during code generation.
6239         When build_scop_loop_nests fails, continue on next scop.
6240         (value_clast): New union.
6241         (clast_to_gcc_expression): Fix type cast warning.
6242
6243 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
6244
6245         * Merge from mainline (r140838:141727).
6246
6247 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6248
6249         PR middle-end/37833
6250
6251         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
6252
6253 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6254
6255         PR middle-end/37943
6256
6257         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
6258         exits and conditions.
6259         * gcc.dg/graphite/pr37943.c: New.
6260
6261 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6262
6263         PR middle-end/37886
6264         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
6265
6266 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6267
6268         * doc/invoke.texi: Fix spaces.
6269
6270 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
6271
6272         PR tree-optimization/37891
6273         Reverted last commit.
6274         * graphite.c (create_single_entry_edge): Set
6275         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6276
6277 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
6278             Mitul Thakkar  <mitul.thakkar@amd.com>
6279
6280         * graphite.c (create_single_entry_edge): Set
6281         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6282
6283 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6284
6285         * doc/invoke.texi: Add -fgraphite-identity.
6286         * graphite.c (graphite_apply_transformations): Check for
6287         -fgraphite-identity.
6288         * toplev.c (process_options): Add flag_graphite_identity.
6289         * tree-ssa-loop.c: Add flag_graphite_identity.
6290
6291 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6292
6293         Undo changes from 2008-10-02:
6294         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6295         operand type when copying the operand to a variable of different type.
6296         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6297         with the IV name after increment.
6298
6299 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6300             Harsha Jagasia  <harsha.jagasia@amd.com>
6301
6302         PR tree-optimization/37828
6303         * gcc.dg/graphite/pr37828.c: New.
6304         * graphite.c (graphite_trans_loop_block): Do not loop block
6305         single nested loops.
6306
6307 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
6308             Sebastian Pop  <sebastian.pop@amd.com>
6309
6310         * graphite.c (struct rename_map_elt, new_rename_map_elt,
6311         rename_map_elt_info, eq_rename_map_elts): New.
6312         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
6313         (expand_scalar_variables_expr): Change parameters.
6314         (expand_scalar_variables_stmt): Same.
6315         (expand_scalar_variables): Same.
6316         (graphite_rename_ivs): Rename graphite_rename_variables.
6317         (build_iv_mapping): New.
6318         (translate_clast): Call build_iv_mapping.
6319         * graphite.h (gbb_p): New name.
6320
6321 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
6322
6323         PR tree-optimization/37684
6324         * gcc.dg/graphite/pr37684.c: New.
6325         * graphite.c (exclude_component_ref): New.
6326         (is_simple_operand): Call exclude_component_ref.
6327
6328 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
6329             Harsha Jagasia  <harsha.jagasia@amd.com>
6330
6331         PR tree-optimization/37485
6332         * gcc.dg/graphite/block-2.c: New
6333         * graphite.c (gmp_cst_to_tree): Moved.
6334         (iv_stack_entry_is_constant): New.
6335         (iv_stack_entry_is_iv): New.
6336         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
6337         (loop_iv_stack_insert_constant): New.
6338         (loop_iv_stack_pop): Use new datatpype.
6339         (loop_iv_stack_get_iv): Same.
6340         (loop_iv_stack_get_iv_from_name): Same.
6341         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
6342         (loop_iv_stack_patch_for_consts): New.
6343         (loop_iv_stack_remove_constants): New.
6344         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
6345         (translate_clast): Call loop_iv_stack_patch_for_consts and
6346         loop_iv_stack_remove_constants.
6347         (gloog): Use new datatype.  Redirect construction edge to end
6348         block to avoid accidental deletion.
6349         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
6350         iv stack entry.
6351         (union iv_stack_entry_data): New.  Data in iv stack entry.
6352         (struct iv_stack_entry): New.  Datatype for iv stack entries.
6353
6354 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6355
6356         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6357         operand type when copying the operand to a variable of different type.
6358
6359 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6360
6361         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6362         with the IV name after increment.
6363
6364 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6365
6366         * Merge from mainline (r140164:140838).
6367
6368 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6369
6370         * graphite-data-ref.c: New.
6371         * graphite.c (print_scop): Also dump the dependence graph.
6372         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
6373         (new_scop): Initialize SCOP_DEP_GRAPH.
6374         (build_scop_dynamic_schedules): New.
6375         (build_access_matrix_with_af): Fixed column numbering.
6376         (graphite_transform_loops): Call build_scop_dynamic_schedules.
6377         * graphite.h: Add ifndef/define guards against multiple inclusion.
6378         (struct scop): Add dep_graph field.
6379         (SCOP_DEP_GRAPH): Defined.
6380         (ref_nb_loops): Fixed and moved to other position.
6381         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
6382         (nb_loops_around_loop_in_scop): New.
6383         (graphite_dump_dependence_graph): Declared.
6384         (graphite_build_rdg_all_levels): Declared.
6385         (graphite_test_dependence): Declared.
6386         * Makefile.in (graphite-data-ref.o): New target.
6387
6388 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
6389
6390         * Merge from mainline (139870:140164).
6391
6392 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6393
6394         * Merge from mainline (138275:139870).
6395         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
6396         the commits from trunk broke the niter detection.
6397
6398 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6399
6400         * graphite.c: Add more documentation.  Fix formatting.
6401         (debug_loop_vec, debug_oldivs, loop_iv_stack,
6402         loop_iv_stack_debug): Moved...
6403         (schedule_to_scattering): Move before use.
6404         (dot_all_scops): Include in "#if 0" the code for system
6405         call dotty.
6406
6407         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
6408         loop_iv_stack_debug): ...here.
6409
6410 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
6411
6412         * tree-phinodes.c (make_phi_node): Extern.
6413         (add_phi_node_to_bb): New.
6414         (create_phi_node): Call add_phi_node_to_bb.
6415         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
6416         (remove_statement): Handle case where stored phi was updated
6417         and is no longer the same.
6418         * graphite.c (is_parameter): New.
6419         (is_old_iv): New.
6420         (expand_scalar_variables_expr): New.
6421         (expand_scalar_variables_stmt): New.
6422         (expand_scalar_variables): New.
6423         (move_phi_nodes): Create new phi instead of moving old one.
6424         (translate_clast): Call expand_scalar_variables.
6425         (find_vdef_for_var_in_bb): Also scan regular definitions.
6426         (skip_phi_defs): New.
6427         (collect_scop_exit_phi_args): New.
6428         (patch_scop_exit_phi_args): New.
6429         (gloog): Patch phis after scop.
6430         * tree-flow.h: (add_phi_node_to_bb): Declared.
6431         (make_phi_node): Declared.
6432
6433 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6434
6435         * graphite.c (end_scop): Split the entry of the scop when it
6436         is the header of the loop in which the scop is ending.
6437         (build_scops_1, limit_scops): Update uses of end_scop.
6438
6439 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6440
6441         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
6442         SCOP_ENTRY or SCOP_EXIT.
6443
6444 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6445
6446         * graphite.c (get_construction_edge): Removed.
6447         (gloog): Construction edge is the scop entry edge.
6448
6449 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6450
6451         * graphite.c (can_generate_for_scop): Removed.
6452         (gloog): Do not call it.
6453
6454 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6455
6456         * graphite.c (new_scop): Entry of a scop is an edge.
6457         Initialize SESE region.
6458         (free_scop): Free SESE region.
6459         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
6460         (split_difficult_bb): New, split from end_scop.
6461         (end_scop): Exit of a scop is an edge.
6462         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
6463         not automatically updated and thus is always wrong.
6464         * graphite.h (struct sese): New.
6465         (SESE_ENTRY): New.
6466         (SESE_EXIT): New.
6467         (struct scop): New field for a SESE region.  Remove entry, exit.
6468         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
6469         semantics as before.  Moved comment around.
6470
6471 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6472             Sebastian Pop  <sebastian.pop@amd.com>
6473
6474         * graphite.c (graphite_transform_loops): Always enable gloog
6475         and find_transform when ENABLE_CHECKING.
6476
6477 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6478
6479         * graphite.c (graphite_transform_loops): Move pretty printer
6480         of SCOPs before doing any transform.  Remove call to print_scops
6481         and dot_all_scops_1.
6482
6483 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6484
6485         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
6486         (print_graphite_bb): Same.
6487
6488 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6489
6490         * graphite.c (dot_all_scops_1): Cleanup.
6491         (move_scops): Fix comment.
6492
6493 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6494
6495         * graphite.c (build_scop_bbs): Revert commit 139355:
6496
6497         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6498                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6499
6500                 * graphite.c (build_scop_bbs): Factor up code.
6501
6502 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6503
6504         * graphite.c (gloog): Update dominator info.
6505
6506 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6507
6508         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
6509
6510 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6511
6512         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
6513         initialization.
6514         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
6515         (translate_clast): Correct formatting.
6516         * graphite.h (struct num_map): Removed.
6517         (struct graphite_bb): Remove num_map field.
6518         (GBB_INDEX_TO_NUM_MAP): Removed.
6519
6520 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6521
6522         * graphite.c (build_access_matrix_with_af): Fix comments.
6523         (build_scop_data_accesses): Same.
6524
6525 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6526
6527         * graphite.c (build_scop_data_accesses): Don't construct
6528         access matrices.  Add a FIXME and an assert condition that
6529         should pass when the access matrices will be needed.
6530
6531 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6532
6533         * tree-data-ref.c (stmt_simple_memref_p): Don't call
6534         really_constant_p.
6535         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
6536         Moved close by free_graphite_bb.
6537         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
6538         (new_scop): Move close by free_scop.
6539         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
6540
6541 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
6542
6543         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
6544         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
6545         instead of recursive call.
6546         (graphite_translate_clast_equation): New.
6547         (graphite_create_guard_cond_expr): New.
6548         (graphite_create_new_guard): New.
6549         (get_stack_index_from_iv): Removed.
6550         (graphite_rename_ivs_stmt): Use gbb_loop_index.
6551         (get_true_edge_from_guard_bb): New.
6552         (translate_clast): Handle stmt_guard in clast.
6553         (get_construction_edge): Allow construction edge detection for
6554         a scope entry with multiple predecessors if one predecessor is
6555         the immediate dominator of scope entry.
6556         (can_generate_code_stmt): Enable code generation for clast_guard.
6557         (gloog): Use correct context loop.  Removed check for post dominators.
6558         * cfgloop.h (create_empty_if_region_on_edge): Declared.
6559
6560 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6561
6562         * graphite.c (remove_dead_loops): Document better which
6563         loops are removed.
6564
6565 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6566
6567         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
6568         and PPLINC.
6569         (graphite.o): Also depends on pointer-set.h.
6570
6571 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6572
6573         * graphite.c (scop_record_loop): Fix compile warning.
6574
6575 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
6576             Sebastian Pop  <sebastian.pop@amd.com>
6577
6578         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
6579
6580 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6581
6582         * graphite.c (build_graphite_bb): Initialize bb->aux to
6583         point to the graphite_bb_p.
6584         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
6585         content of bb->aux.
6586         (add_bb_domains): Does not use the scop parameter.
6587         (graphite_transform_loops): Clean bb->aux at the end.
6588
6589 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6590             Sebastian Pop  <sebastian.pop@amd.com>
6591
6592         * lib/target-supports.exp
6593         (check_effective_target_fgraphite): New.
6594
6595         * gcc.dg/graphite/graphite.exp: Early exit when
6596         check_effective_target_fgraphite returns false.
6597         Set dg-do-what-default to compile.
6598         (scan-graphite-dump-times): Removed.
6599         * gfortran.dg/graphite/graphite.exp: Same.
6600
6601         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
6602         Use scan-tree-dump-times instead of scan-graphite-dump-times.
6603         * gcc.dg/graphite/scop-1.c: Same.
6604         * gcc.dg/graphite/scop-2.c: Same.
6605         * gcc.dg/graphite/scop-3.c: Same.
6606         * gcc.dg/graphite/scop-4.c: Same.
6607         * gcc.dg/graphite/scop-5.c: Same.
6608         * gcc.dg/graphite/scop-6.c: Same.
6609         * gcc.dg/graphite/scop-7.c: Same.
6610         * gcc.dg/graphite/scop-8.c: Same.
6611         * gcc.dg/graphite/scop-9.c: Same.
6612         * gcc.dg/graphite/scop-10.c: Same.
6613         * gcc.dg/graphite/scop-11.c: Same.
6614         * gcc.dg/graphite/scop-12.c: Same.
6615         * gcc.dg/graphite/scop-13.c: Same.
6616         * gcc.dg/graphite/scop-matmult.c: Same.
6617         * gcc.dg/graphite/scop-14.c: Same.
6618         * gcc.dg/graphite/scop-15.c: Same.
6619         * gcc.dg/graphite/block-0.c: Same.
6620         * gcc.dg/graphite/scop-16.c: Same.
6621         * gcc.dg/graphite/block-1.c: Same.
6622         * gcc.dg/graphite/scop-17.c: Same.
6623         * gcc.dg/graphite/scop-18.c: Same.
6624         * gfortran.dg/graphite/block-1.f90: Same.
6625         * gfortran.dg/graphite/scop-1.f: Same.
6626         * gfortran.dg/graphite/block-2.f: Same.
6627
6628 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6629
6630         * graphite.c: Fix some XXX comments.
6631         (build_scop_dynamic_schedules): Removed.
6632
6633 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6634
6635         * graphite.h (scop_max_loop_depth): Moved...
6636         * graphite.c (scop_max_loop_depth): ...here.
6637         (remove_all_edges_1): New.
6638         (remove_all_edges): Factored code.
6639         (remove_cond_exprs): Check only the last statement for
6640         a GIMPLE_COND expression.
6641
6642 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6643
6644         * graphite.c (scan_tree_for_params): Early return when the
6645         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
6646         (find_scop_parameters): Factor out code.
6647         (graphite_trans_bb_strip_mine): Remove dead code.
6648
6649 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6650
6651         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
6652         graphite_trans_bb_move_loop): Factor asserts.
6653         (gloog): Perform sanity checks only for ENABLE_CHECKING.
6654         Do not call calculate_dominance_info and estimate_bb_frequencies.
6655
6656 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
6657
6658         * graphite.c (create_loops_mapping, free_loops_mapping,
6659         create_loops_mapping_num, debug_loop_mapping_1,
6660         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
6661         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
6662         graphite_loops_mapping_add_child_num,
6663         graphite_loops_mapping_insert_child,
6664         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
6665         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
6666         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
6667         create_num_from_index, get_num_from_index,
6668         swap_loop_mapped_depth): Removed.
6669         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
6670         (free_scop): Do not call free_loops_mapping.
6671         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
6672         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
6673         get_loop_mapped_depth.
6674         (graphite_trans_bb_move_loop): Do not update the loop mapping.
6675         (graphite_trans_bb_strip_mine): Same.
6676         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
6677         (struct scop): Remove field loops_mapping.
6678
6679 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6680             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6681
6682         * graphite.c (scop_record_loop): Factor out one level of the
6683         condition by early return.
6684         (build_scop_loop_nests): Format following FSF coding style.
6685         (build_scop_dynamic_schedules): Factor out code.
6686         (scopdet_bb_info): Reindent.  Default case should not be reachable.
6687
6688 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6689             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6690
6691         * graphite.c (loop_affine_expr): Check for DECL_P or struct
6692         assignments that are not handled as simple operands for now.
6693
6694 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6695             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6696
6697         * graphite.c (build_scop_bbs): Factor up code.
6698
6699 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6700             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6701
6702         * graphite.c (stmt_simple_for_scop_p): Factor code out
6703         of the loop.
6704         (enum gbb_type): New.  Group all the GBB_* types under it.
6705         (is_loop_exit): Moved...
6706         (end_scop): Enable BB spliting.
6707         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
6708         * cfgloop.h (is_loop_exit): Declared.
6709
6710 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6711
6712         * doc/invoke.texi: Remove strides from examples containing
6713         DO loops when the strides are equal to 1.
6714
6715 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
6716             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6717
6718         * graphite.c (graphite_trans_scop_block): Or the result with
6719         the result from graphite_trans_loop_block.
6720         * gcc.dg/graphite/block-1.c: New.
6721         * gfortran.dg/graphite/block-1.f90: New.
6722         * gfortran.dg/graphite/block-2.f: New.
6723
6724 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6725
6726         * graphite.c (graphite_transform_loops): Call cloog_initialize
6727         and cloog_finalize.
6728
6729 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6730
6731         * tree-data-ref.c) (stmt_simple_memref_p): New.
6732         * tree-data-ref.h (stmt_simple_memref_p): Declared.
6733         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
6734         (is_simple_operand): Call stmt_simple_memref_p.
6735
6736         * gcc.dg/graphite/scop-matmult.c: Updated for not
6737         using pointer arithmetic, as this is optimized by PRE and
6738         makes the code too difficult to analyze.
6739
6740         * gcc.dg/graphite/scop-18.c: Same.
6741
6742 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6743
6744         * gdbinit.in (pgg): New.
6745
6746 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6747
6748         * graphite.c (graphite_trans_loop_block): Fix warning.
6749
6750 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6751
6752         * graphite.c (graphite_trans_loop_block): Fix my merge error.
6753
6754 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6755
6756         * graphite.c (graphite_trans_bb_block): Remove check for
6757         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
6758         Check if loop blocking is profitable for every loop, before applying
6759         the changes.
6760         (graphite_apply_transformations): Call graphite_trans_bb_block only,
6761         if flag_loop_block is set.
6762
6763 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6764
6765         * graphite.c: Add some more documentation for the loop
6766         mapping.
6767
6768 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6769
6770         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
6771         * graphite.c: Format on less than 80 columns.
6772         * graphite.h: Same.
6773
6774 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6775
6776         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
6777
6778 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6779
6780         * doc/invoke.texi (floop-block, floop-strip-mine,
6781         floop-interchange): Update documentation with examples.
6782
6783 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
6784
6785         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
6786         add_referenced_var.
6787         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
6788
6789 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
6790
6791         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
6792         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
6793         * tree-scalar-evolution.c: Revert useless changes.
6794         * tree-phinodes.c: Same.
6795         * cfghooks.c: Same.
6796         * vec.h: Same.
6797         * tree-vectorizer.h: Same.
6798         * tree-flow.h: Same.
6799         * tree-cfg.c: Same.
6800         * common.opt (fgraphite): Update documentation.
6801
6802 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
6803
6804         * doc/invoke.texi (-floop-block, -floop-strip-mine,
6805         -floop-interchange): Add more text for explaining what each of these
6806         flags is doing.
6807         * tree-into-ssa.c (gimple_vec): Moved to...
6808         * graphite.c: Include gimple.h.
6809         (gimple_vec): Moved to...
6810         (del_loop_to_cloog_loop): Removed.
6811         (loop_affine_expr): Do not call create_data_ref when the
6812         operand is a constant.
6813         (new_scop): Use free instead of del_loop_to_cloog_loop.
6814         * Makefile.in (graphite.o): Depend on GIMPLE_H.
6815         * gimple.h (gimple_vec): ... here.
6816
6817 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6818
6819         * graphite.c (scopdet_bb_info): Only allow loops with known number of
6820         latch executions.
6821         (build_loop_iteration_domains): Fail, if latch executions unknown.
6822
6823 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6824
6825         * graphite.c (add_conditions_to_domain): New.
6826         (build_scop_conditions_1): Call add_conditions_to_domain.
6827         (set_cloog_options): Allow to disable optimizations.
6828
6829 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6830
6831         * graphite.c (find_params_in_bb): Look for parameters in conditions.
6832         Do not use walk_dominator_tree.
6833         (find_scop_parameters): Do not use walk_dominator_tree.
6834
6835 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6836
6837         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
6838         (idx_record_params): Adapt.
6839         * graphite.h (scop_gimple_loop_depth): New.
6840
6841 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6842
6843         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
6844         (scan_tree_for_params): Remove value_init.
6845         (build_scop_context): Remove value_init.
6846         (build_loop_iteration_domains): Remove value_init.
6847         (schedule_to_scattering): Remove value_init.
6848         (graphite_trans_bb_strip_mine): Remove value_init.
6849
6850 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6851
6852         * gcc/graphite.c (limit_scops): New.
6853         (graphite_transform_loops): Add limit SCoPs.
6854         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
6855         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
6856         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
6857         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
6858         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
6859         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
6860         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
6861         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
6862         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
6863         Change loop numbers.
6864         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
6865         Change loop numbers.
6866         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
6867         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
6868         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
6869         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
6870         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
6871         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
6872         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
6873         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
6874         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
6875         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
6876
6877 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6878
6879         * graphite.c (graphite_transform_loops): Call always find_transform.
6880
6881 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6882
6883         * graphite.c (free_loops_mapping): New.
6884         (stmt_simple_for_scop_p): Fix typo.
6885         (stmt_simple_for_scop_p): Fix tuples functions, that
6886         broke polyhedron.
6887         (free_graphite_bb): Fix some memleaks.
6888         (free_scop): Fix some memleaks.
6889         (scopdet_bb_info): Do not forget some tmp SCoPs.
6890         (find_params_in_bb): Fix some memleaks.
6891         (clast_to_gcc_expression): Fix warning.
6892
6893 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6894
6895         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
6896         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
6897
6898 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
6899
6900         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
6901         Move code ifdef-ed HAVE_cloog...
6902         * graphite.c: Include toplev.h.
6903         ... here.
6904         * Makefile.in (OBJS-common): Always build graphite.o.
6905         (BACKEND): Remove @GRAPHITE@.
6906         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
6907         (graphite.o): Depend on TOPLEV_H.
6908
6909 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
6910
6911         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
6912         Remove typo left from polylib to ppl conversion.
6913         * graphite.c (graphite_transforms): Use sorry instead of fatal.
6914
6915 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
6916
6917         * toplev.c (process_options): Move the graphite loop optimization
6918         flags...
6919         * tree-ssa-loop.c (graphite_transforms): ... here.
6920         When not configured with CLooG, print to dump_file that
6921         Graphite transforms were not performed.
6922         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
6923         New.
6924         * gcc.dg/graphite/*.c: Updated all testcases to use
6925         scan-graphite-dump-times.
6926
6927 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
6928
6929         * graphite.c (dot_scop, dot_all_scops): Do not call system.
6930         Do not open /tmp/scop.dot and /tmp/allscops.dot.
6931
6932 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
6933             Jan Sjodin  <jan.sjodin@amd.com>
6934
6935         * configure: Regenerated.
6936         * omp-low.c (expand_omp_sections): Remove now unused code.
6937         * config.in (HAVE_polylib): Removed.
6938         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
6939         (PPLLIBS, PPLINC): Added.
6940         * graphite.c: Replace unsigned with int wherever possible.
6941         Don't access Cloog's data structures, but use accessor functions.
6942         Clast's stmt->type is now implemented as a vtable: change the
6943         switches of stmt->type into ifs.
6944         (polylib/polylibgmp.h): Don't include.
6945         (initialize_dependence_polyhedron,
6946         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6947         statement_precedes_p, test_dependence, build_rdg_all_levels,
6948         dump_dependence_graph): Removed until this code is cleaned up
6949         or ported to Cloog.
6950         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
6951         (POLYLIBINC): Renamed PPLINC.
6952
6953 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
6954             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6955             Jan Sjodin  <jan.sjodin@amd.com>
6956
6957         Finish the merge and tuplification of graphite.
6958
6959 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
6960             Jan Sjodin  <jan.sjodin@amd.com>
6961
6962         Partial merge from mainline (138072:138275).
6963         * graphite.c still has to be tuplified.
6964
6965 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
6966
6967         * graphite.c (graphite_loops_mapping_max_loop_num): New.
6968         (create_num_from_index): New.
6969         (get_num_from_index): Also pass in the graphite BB.
6970         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
6971         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
6972         (graphite_trans_bb_strip_mine): Call create_num_from_index.
6973         (is_interchange_valid): Return false when failing.
6974         * graphite.h (struct num_map): New.
6975         (struct graphite_bb): New field num_map.
6976         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
6977
6978 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6979
6980         * graphite.c (dump_gbb_conditions): Print also conditions like
6981         "if (a)".  Remove dublicated code and use print_generic_expr ().
6982         (stmt_simple_for_scop_p): Only allow conditions we can handle
6983         {<, <=, >, >=}.
6984
6985 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
6986
6987         * graphite.h (struct scop): Removed new_ivs field.
6988         (SCOP_NEWIVS): Deleted.
6989         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
6990         clast_to_gcc_expression, graphite_create_new_loop):
6991         Removed use of new_ivs.
6992
6993 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
6994
6995         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
6996         create_loops_mapping_num, debug_loop_mapping_1): New.
6997         (debug_loop_mapping): Call debug_loop_mapping_1.
6998         (get_loop_mapping_for_num,
6999         graphite_loops_mapping_add_child,
7000         graphite_loops_mapping_add_child_num,
7001         graphite_loops_mapping_insert_child,
7002         graphite_loops_mapping_parent,
7003         split_loop_mapped_depth_for_num,
7004         loop_mapped_depth_split_loop): New.
7005         (increment_loop_mapped_depths): Removed.
7006         (swap_loop_mapped_depth_for_num): Reimplemented.
7007         (new_scop): Call create_loops_mapping.
7008         (scop_record_loop): Call graphite_loops_mapping_insert_child.
7009         (translate_clast): Pass the old loop father in parameter, and pass
7010         it to get_old_iv_from_ssa_name.
7011         (remove_edges_around_useless_blocks, can_generate_code_stmt,
7012         can_generate_code, can_generate_for_scop): New.
7013         (graphite_trans_bb_block): Returns false when it fails to transform.
7014         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
7015
7016 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7017
7018         Reverted all the changes related to the streamization and
7019         loop fusion.
7020         These changes are now tracked in the streamization branch.
7021
7022 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7023             Jan Sjodin  <jan.sjodin@amd.com>
7024
7025         * graphite.c (gbb_compare): Correctly constify.
7026         (gbb_can_be_ignored): Indent.
7027         (graphite_trans_scop_swap_1and2): Add legality check.
7028         Remove dead FIXMEs.
7029
7030 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7031
7032         Remove fallouts from "Reverted the Condate changes".
7033         * tree.h: Remove unused decl.
7034         * gcc.dg/tree-checker: Same.
7035         * timevar.def: Remove counter.
7036
7037 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
7038
7039         * Merge from mainline (135673:138072).
7040
7041         Reverted the MIRO changes (from 2008-04-05) that are now
7042         tracked in the miro branch.
7043         * tree-bounds.c: Removed.
7044         * tree-bounds.h: Removed.
7045
7046         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
7047         are now tracked in the condate branch.
7048         * tree-check.c: Removed.
7049         * tree-match.c: Removed.
7050         * condate.y: Removed.
7051
7052 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7053
7054         * common.opt: New user flag -floop-block, -floop-strip-mine
7055         and -floop-interchange.
7056         * toplev.c (process_options): Enable -fgraphite pass if any one of the
7057         graphite loop optimization flags is turned on.
7058         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
7059         flag_loop_strip_mine and flag_loop_interchange checks before
7060         optimizations.
7061         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
7062         -floop-strip-mine and -floop-interchange.
7063         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
7064         -fgraphite.
7065         * gcc.dg/graphite/scop-16.c: Ditto.
7066         * gcc.dg/graphite/scop-17.c: Ditto.
7067         * gcc.dg/graphite/scop-18.c: Ditto.
7068
7069 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
7070             Sebastian Pop  <sebastian.pop@amd.com>
7071
7072         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
7073         (create_empty_loop_on_edge): More fixes.
7074         * tree-phinodes.c (resize_phi_node): Extern.
7075         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
7076         * cfghooks.c (update_dominator_information): New split from
7077         split_edge.
7078         * tree-vectorizer.c (rename_variables_in_bb): Extern.
7079         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
7080         successor of the function entry block.
7081
7082         * graphite.c: Include pointer-set.h.
7083         (debug_loop_mapping, increment_loop_mapped_depths,
7084         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
7085         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
7086         swap_loop_mapped_depth_for_num, get_num_from_index,
7087         swap_loop_mapped_depth, loop_iv_stack_debug,
7088         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
7089         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
7090         get_old_iv_from_ssa_name): New.
7091         (new_scop): Initialize SCOP_LOOPS_MAPPING.
7092         (free_scop): Free SCOP_LOOPS_MAPPING.
7093         (scop_record_loop): Record old ivs.
7094         (create_var_name): Removed.
7095         (initialize_cloog_names): Allocate double space in case strip mine
7096         applies to all loops once.
7097         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
7098         (clast_to_gcc_expression): Same.  Implement more clast to gimple
7099         translation.
7100         (graphite_create_new_loop): Pass in ivstack.
7101         (remove_all_edges): Pass in the construction_edge.
7102         (graphite_remove_iv): Removed.
7103         (graphite_rename_ivs, graphite_rename_ivs_stmt,
7104         remove_cond_exprs): Rewritten.
7105         (move_phi_nodes): New.
7106         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
7107         (translate_clast): Pass in ivstack.  Rewrite some cases.
7108         (set_cloog_options, debug_clast_stmt): New.
7109         (find_transform): Use set_cloog_options.
7110         (outermost_loop_layer): Removed.
7111         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
7112         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
7113         mark_old_loops, remove_dead_loops): New.
7114         (gloog): Rewritten.
7115         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
7116         (const_column_index, get_first_matching_sign_row_index,
7117         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
7118         get_upper_bound): New.
7119         (graphite_trans_bb_strip_mine): Also update the iv map.
7120
7121         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
7122         (struct name_tree): Add a loop field.
7123         (struct scop): Add a graphite_loops_mapping field.
7124         (SCOP_LOOPS_MAPPING): New.
7125         (debug_clast_stmt): Declare.
7126         * lambda.h (find_induction_var_from_exit_cond): Declare.
7127         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
7128         * cfgloop.h (update_dominators_in_loop): Removed declaration.
7129         (create_empty_loop_on_edge): Updated.
7130         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
7131         rename_variables_in_bb): Declare.
7132         * tree-cfg.c (remove_bb): Extern.
7133
7134         * gcc.dg/graphite/block-0.c: New.
7135
7136 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7137             Sebastian Pop  <sebastian.pop@amd.com>
7138
7139         * graphite.c (strip_mine_profitable_p): New.
7140         (graphite_trans_bb_block): Disable strip mining if not profitable.
7141
7142         * gcc.dg/graphite/scop-18.c: New.
7143         * gcc.dg/graphite/scop-17.c: Fixed.
7144         * gcc.dg/graphite/scop-16.c: Fixed.
7145
7146 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
7147             Jan Sjodin  <jan.sjodin@amd.com>
7148             Sebastian Pop  <sebastian.pop@amd.com>
7149
7150         * graphite.c (is_interchange_valid): New.
7151         (graphite_trans_bb_block): Check loop nest of basic block for legality
7152         of interchange.
7153
7154         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
7155         outer_most_loop, gbb_outer_most_loop_index): New.
7156
7157         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
7158         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
7159         * gcc.dg/graphite/scop-16.c: New.
7160         * gcc.dg/graphite/scop-17.c: New.
7161
7162 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7163
7164         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
7165         (graphite_trans_scop_block): Ignore SCoPs without bbs.
7166
7167 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7168
7169         * graphite.c (new_scop): Initialize SCOP_EXIT.
7170         (scopdet_info): Add.
7171         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
7172         (build_scops_1): Cleanup, bugfixes.
7173         (build_scops): Cleanup.
7174
7175         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
7176         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
7177
7178 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7179
7180         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
7181
7182         * gfortran.dg/graphite/graphite.exp: Use
7183         DEFAULT_GRAPHITE_FLAGS.
7184
7185         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
7186
7187 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7188
7189         * graphite.c (scan_tree_for_params): Do not assert any more if
7190         MULT_EXPR parameter is negative.
7191
7192         * gfortran.dg/graphite/scop-1.f: New.
7193
7194         * gfortran.dg/graphite/graphite.exp: New.
7195
7196         * gcc.dg/graphite/scop-15.c: New.
7197
7198 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7199
7200         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
7201
7202 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7203
7204         * graphite.c (graphite_trans_bb_swap_loops): Rename from
7205         graphite_swap_loops.
7206         (graphite_trans_bb_move_loop): New.
7207         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
7208         (graphite_trans_bb_block): New.
7209         (graphite_trans_loop_block): New.
7210         (graphite_trans_scop_swap_1and2): Rename from
7211         graphite_trans_swap_1and2.
7212         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
7213         (graphite_trans_scop_block): New.
7214         (graphite_apply_transformations): Rename from
7215         graphite_transformations.
7216
7217         * gcc.dg/graphite/scop-matmult.c: New.
7218
7219 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7220
7221         * graphite.c (gbb_compare): New.
7222         (graphite_sort_gbbs): New.
7223         (gbb_can_be_ignored): New.
7224         (scop_remove_ignoreable_gbbs): New.
7225         (graphite_transformations): Cleanup and add
7226         scop_remove_ignoreable_gbbs.
7227         * lambda.h (lambda_vector_compare): New.
7228
7229 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
7230
7231         * graphite.c (print_graphite_bb): Correct printing of static schedule.
7232         (graphite_swap_loops): int -> unsigned
7233         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
7234         (graphite_transformations): New.
7235         (graphite_transform_loops): Move to graphite_transformations.
7236         * graphite.h (gbb_nb_loops): Return unsigned.
7237
7238 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7239
7240         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
7241         the domain matrix.  This makes scop-0.c work again.
7242
7243 2008-06-20  Richard Guenther  <rguenther@suse.de>
7244
7245         * graphite.h: Adjust copyright to GPLv3.
7246         * graphite.c: Likewise.
7247         (stmt_simple_memref_for_scop_p): Split out from ...
7248         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
7249         and simplify.
7250         (get_bb_type): Optimize.
7251         (is_pred): Remove.
7252         (is_bb_addable): Fix memleak, replace is_pred call with
7253         single_pred.
7254         (build_scops): Use current_loops.
7255         (param_index): Fix memleak.
7256
7257 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7258
7259         * graphite.c: Fix formatting.
7260
7261 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7262
7263         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
7264         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
7265         (create_var_name, save_var_name): Newly defined functions.
7266         (initialize_cloog_names): Part of the code factored out to
7267         save_var_name.
7268         (clast_to_gcc_expression): Now handles the case of clast_red_sum
7269         in clast_reduction statement.
7270         (graphite_create_new_loop): Now takes a new parameter
7271         for outer_loop.
7272         (translate_clast): Now also takes the context_loop and bb_exit
7273         parameters. Rewritten the code so that it creates a gimple code
7274         inside the given context.
7275         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
7276         remove_cond_expr, disconnect_cond_expr,
7277         disconnect_virtual_phi_nodes): Newly defined functions.
7278         * graphite.h (struct scop): added old_ivs vector.
7279         SCOP_OLDIVS: New macro.
7280
7281 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
7282
7283         * cfgloopmanip.c: Add missing function comments, fix formatting.
7284
7285 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7286
7287         * cfgloopmanip.c (update_dominators_in_loop): Defined.
7288         (create_empty_loop_on_edge): Defined.
7289         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
7290         instead of void.
7291         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
7292         (update_dominators_in_loop): Declared as extern
7293         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
7294
7295 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
7296
7297         * graphite.c (print_graphite_bb): Allow changing number of loops
7298         in SCoP domain.
7299         (initialize_cloog_names): Allow changing number of loops.
7300         (build_cloog_prog): Simplify.
7301         (find_transform): Enable cloog option --strides.
7302         (graphite_swap_loops): New.
7303         (graphite_strip_mine_loop): New.
7304         (graphite_trans_swap_1and2): New.
7305         (graphite_trans_strip): New.
7306         (graphite_transform_loops): Add graphite_trans_strip.
7307         * graphite.h (scop_max_loop_depth): New.
7308
7309 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7310
7311         * graphite.c (build_scop_iteration_domain): Remove forgotten
7312         line. (Fixes compile)
7313
7314 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7315
7316         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
7317         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
7318         (build_bb_loops): New.
7319         (graphite_transform_loops): Add build_bb_loops.
7320         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
7321         numbers.
7322         * graphite.h (graphite_bb): Add loops.
7323         (gbb_nb_loops): New.
7324         (gbb_loop_at_index): New.
7325         (gbb_loop_index): New.
7326         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
7327         using nb_params_in_scop.
7328
7329 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7330
7331         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
7332         (build_scop_canonical_schedules): Build minimized schedule.
7333         (schedule_to_scattering): Adapt to minimized schedule.
7334         * graphite.h (graphite_bb): Add/Update descriptions.
7335
7336 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
7337             Tobias Grosser  <grosser@fim.uni-passau.de>
7338
7339         * graphite.c (print_graphite_bb): Add condition printing.
7340         (dump_value): New.
7341         (dump_gbb_conditions): New.
7342         (build_scop_conditions_1): New.
7343         (build_scop_conditions): New.
7344         * graphite.h (graphite_bb): Add conditions.
7345
7346 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7347
7348         * graphite.c (print_graphite_bb):
7349         (free_graphite_bb): New.
7350         (free_scop): Free bbs.
7351         (get_bb_type): Free doms.
7352         (build_scop_context): Free context matrix.
7353         (build_loop_iteration_domains): Remove unused code.
7354         (build_cloog_prog): Free scattering function and blocklist.
7355         (find_transform): Free options.
7356
7357 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
7358
7359         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
7360         Remove unnecessery cloog data structures. Make a copy of the domain
7361         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
7362         unnecessary cloog data structures. Fix memory leaks. Remove insert
7363         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
7364         used.
7365         (build_scop_iteration_domain): Remove unnecessary cloog
7366         data structures.  Fix memory leaks.
7367         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
7368         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
7369
7370 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7371
7372         * graphite.c (find_scop_params): Remove initialize_cloog_names.
7373
7374 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7375
7376         * graphite.c (end_scop): Style fix.
7377         (schedule_to_scattering): Style and comment fix.
7378
7379 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7380         * graphite.c (print_graphite_bb): Fix definiton of
7381         schedule_to_scattering.
7382         (initialize_cloog_names): Change nb_scattdims to max loop
7383         depth in SCoP.
7384         (schedule_to_scattering): Take parameter for number of scattering
7385         dimensions.
7386         (build_cloog_prog): Only build as much scattering dimensions as
7387         necessary.
7388
7389 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7390
7391         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
7392         in polyhedron/aermod.f90.
7393
7394 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7395             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
7396             Harsha Jagasia  <harsha.jagasia@amd.com>
7397
7398         * graphite.c (is_bb_addable): Fix segfault.
7399
7400 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7401
7402         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
7403         with multiple exits and conditional handling in edge cases.
7404         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
7405
7406         * gcc.dg/graphite/scop-14.c: New.
7407
7408 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7409             Adrien Eliche  <aeliche@isty.uvsq.fr>
7410
7411         * graphite.c (is_bb_addable): Add more comments and enhance
7412         readablity of the source code. Fix memory leak.
7413         (is_loop_exit): Fix memory leak.
7414
7415 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7416
7417         * graphite.c (first_loop_in_scop): Deleted.
7418         (setup_cloog_loop): Only walk the loop chain for inner loops.
7419         (build_scop_iteration_domain): Execute setup_cloog_loop for
7420         all loops in the first layer.
7421
7422 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7423
7424         * graphite.c (scan_tree_for_params): Change the way params are
7425         added to be indepenent of the number of loops.
7426         (setup_cloog_loop): Revert to short matrix format. Fix parameter
7427         handling.
7428         (build_cloog_prog): Revert to short matrix format.
7429
7430 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7431             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
7432
7433         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
7434         warning.
7435
7436 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7437
7438         * graphite.c (nb_data_refs_in_scop): New.
7439         (graphite_transform_loops): Print more stats: number of
7440         loops, basic blocks and data references per scop.
7441
7442 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7443             Jan Sjodin  <jan.sjodin@amd.com>
7444
7445         * graphite.c (loop_affine_expr, idx_record_params,
7446         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
7447         instead of instantiate_parameters.
7448
7449 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7450
7451         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
7452         add support for parameters, add STATIC_SCHEDULE at the right places,
7453         cleanup.
7454
7455 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7456
7457         * graphite.c (build_scop_loop_nests): Only add the loops, that
7458         are contained completely in the SCoP.
7459         (build_cloog_prog): Disable scattering, until schedule_to_scattering
7460         and the domains are fixed.
7461         (build_scop_canonical_schedules): Add support for bbs not contained
7462         in any SCoP.
7463
7464 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7465
7466         * graphite.h (scop_contains_loop): Update comments to match
7467         the actual behavior.
7468         (scop_contains_loop): New.
7469         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
7470
7471 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7472
7473         * graphite.c (get_bb_type): On function body, i.e. loop_0,
7474         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
7475         as GBB_COND_HEADER.
7476
7477 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7478             Tobias Grosser  <grosser@fim.uni-passau.de>
7479
7480         * graphite.c (graphite_transform_loops): Early return when
7481         there are no loops in the function.
7482
7483 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7484             Jan Sjodin  <jan.sjodin@amd.com>
7485
7486         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
7487         offset of the last loop.
7488         (setup_cloog_loop): Copy the entire outer constraint matrix.
7489
7490 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7491             Jan Sjodin  <jan.sjodin@amd.com>
7492
7493         * graphite.c (stmt_in_scop_p, function_parameter_p,
7494         invariant_in_scop_p): Removed.
7495         (scan_tree_for_params): Can be used with no constraint
7496         matrix for gathering parameters.
7497         (idx_record_params): Don't use idx_record_param, instead use
7498         scan_tree_for_params.
7499         (find_scop_parameters): Same.
7500         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
7501         Fix the size of loop domains.
7502         (schedule_to_scattering): Exit when the outer loop is not in scop.
7503         (find_transform): Enable build_cloog_prog.
7504
7505 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7506             Jan Sjodin  <jan.sjodin@amd.com>
7507
7508         * graphite.c (schedule_to_scattering): Make scattering domains
7509         uniformly of the same size, as required by CLooG 0.14.0 and before.
7510
7511 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7512             Jan Sjodin  <jan.sjodin@amd.com>
7513
7514         * graphite.c (schedule_to_scattering): Rewrite, correct the
7515         translation of the scheduling function to scattering.
7516         (build_cloog_prog): Call schedule_to_scattering only once.
7517         * graphite.h (scop_loop_index): Do not fail for loops not
7518         in the scop: return -1.
7519
7520 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
7521
7522         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
7523         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
7524         (setup_cloog_loop): Export GBB_DOMAIN.
7525         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
7526         able to rebuild the original control flow.
7527         * graphite.h (graphite_bb): Add domain field and access macro.
7528         (GBB_DOMAIN): New.
7529
7530 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
7531
7532         * graphite.c (debug_gbb): New.
7533         (print_scop, build_graphite_bb): Use SCOP_BBS.
7534         (build_scop_bbs): Reimplemented.
7535         (dfs_bb_in_scop_p): Removed.
7536         (build_scop_loop_nests): Reorder loops inserted in
7537         SCOP_LOOP_NEST: outer loops should come first.
7538         (build_scop_canonical_schedules): Reinitialize at zero
7539         the components of the SCOP_STATIC_SCHEDULE for the loops
7540         that have already been parsed.
7541
7542         * graphite.h (debug_gbb): Declared.
7543
7544 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
7545             Jan Sjodin  <jan.sjodin@amd.com>
7546
7547         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
7548         (graphite_loop_to_gcc_loop): Removed.
7549         (remove_all_edges): New.
7550         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
7551         (gloog): Remove useless code.
7552
7553 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7554
7555         * graphite.c (get_bb_type): Reworked. We distinguish between
7556         loops with one or multiple exits.
7557         (is_loop_exit): New.
7558         (is_pred): New.
7559         (is_bb_addable): Rework condition handling, now support for case
7560         case statements and loops with multiple exits.
7561
7562         * gcc.dg/graphite/scop-11.c: New.
7563         * gcc.dg/graphite/scop-12.c: New.
7564         * gcc.dg/graphite/scop-13.c: New.
7565
7566 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7567
7568         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
7569         we have too many colors.
7570
7571 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
7572
7573         * doc/invoke.texi (-ftree-loop-fusion): Document.
7574         * tree-pass.h (pass_loop_fusion): Declared.
7575         * tree-loop-fusion.c: New.
7576         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
7577         * tree-data-ref.c (find_data_references_in_loop): Make extern.
7578         * tree-data-ref.h (find_data_references_in_loop): Declared.
7579         * common.opt (ftree-loop-fusion): Declared.
7580         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
7581
7582 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
7583
7584         * graphite.c (build_access_matrix): Fix typo from the merge.
7585
7586 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
7587
7588         * Merge from mainline (130800:135673).
7589
7590 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7591
7592         * graphite.c (end_scop): The exit of the scop is not part of the scop.
7593         Update dominators after splitting.
7594
7595 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7596
7597         * graphite.c (is_bb_addable): Return the harmful statement.
7598         Factor up some code.
7599         (end_scop): New.  Splits end of scope bbs on a harmful statement.
7600         (build_scops_1): Call end_scop.
7601
7602 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7603
7604         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
7605         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
7606         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
7607         build_scops_1): Removed.
7608         (build_scops_2): Renamed build_scops_1.
7609
7610 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7611
7612         * graphite.c: Fix formatting.
7613
7614 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7615
7616         * graphite.c (get_bb_type): New.
7617         (move_scops): New.
7618         (build_scops_2): New.
7619         (is_bb_addable): New.
7620         (build_scops): Switch the scop detection.
7621         (build_scop_bbs): Add entry bb to scop.
7622         * graphite.h (struct scop): Update comment.
7623
7624 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7625
7626         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
7627         more colors.
7628
7629 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7630
7631         * gcc.dg/graphite/scop-1.c: Update.
7632         * gcc.dg/graphite/scop-2.c: Update.
7633         * gcc.dg/graphite/scop-4.c: Update.
7634         * gcc.dg/graphite/scop-5.c: Add.
7635         * gcc.dg/graphite/scop-6.c: Add.
7636
7637 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7638
7639         * gcc.dg/graphite/scop-0.c: Add.
7640         * gcc.dg/graphite/scop-7.c: Add.
7641         * gcc.dg/graphite/scop-8.c: Add.
7642         * gcc.dg/graphite/scop-9.c: Add.
7643         * gcc.dg/graphite/scop-10.c: Add.
7644
7645 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7646
7647         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
7648         Check affine expressions depending on the outermost loop
7649         instead of a scop.
7650         (stmt_simple_for_scop_p): Same.
7651         (harmfule_stmt_in_scop): Same.
7652
7653 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
7654
7655         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
7656         mark entry and exit, that are not part of the SCoP and update HTML
7657         formatting.
7658
7659 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
7660
7661         * graphite.c (basic_block_simple_for_scop_p): Renamed
7662         harmful_stmt_in_bb.
7663         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
7664         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
7665         (all_preds_visited_p, all_succs_visited_p,
7666         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
7667         scop_end_loop): New.
7668         (build_scops): Do not use dfs_enumerate_from.
7669
7670         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
7671
7672 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7673
7674         * graphite.c: Add comments to functions that are missing a
7675         description.
7676         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
7677
7678 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7679
7680         * graphite.c (nb_params_in_scop): Moved...
7681         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
7682         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
7683         (clast_to_gcc_expression): Reduce column size to less than 80.
7684         (graphite_create_iv): Return the new name of the IV.
7685         (find_transform): Set options->esp and options->cpp.
7686         (gloog): Comment out the invalidation of the old loop code.
7687         (initialize_dependence_polyhedron): Replace scop_nb_params with
7688         nb_params_in_scop.
7689
7690         * graphite.h (nb_params_in_scop): ... here.
7691         (scop_nb_params): Removed.
7692         (loop_domain_dim): Return something even when the loop was not
7693         found in the hash table: avoid ICEing on all the graphite.exp
7694         testcases.
7695
7696 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7697
7698         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
7699
7700         * graphite.c (build_scop_dynamic_schedules): Schedule is built
7701         according to nesting level.
7702         (find_scop_parameters): Call instantiate_parameters.
7703         (scan_tree_for_params): Extend it to handle general affine bounds.
7704         Inner loop bound can depend on outer loop induction variable.
7705         (setup_cloog_loop): tmp variable is allocated on stack. Call
7706         instantiate_parameters with respect to outermost_loop_in_scop.
7707         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
7708         graphite.h.
7709         (create_empty_loop): Function loopify should be given edge
7710         probability, instead of edge frequency. Dominance relation from
7711         switch_bb to loop_header.
7712         (clast_to_gcc_expression): Added handling of clast_reduction node.
7713         (gloog): New functionality for removing old loop.
7714         (test_dependence): Factored out from build_rdg_all_levels.
7715         (build_rdg_all_levels): Dependence testing factored out to
7716         test_dependence function.
7717
7718         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
7719         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
7720         from graphite.c
7721
7722 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
7723
7724         * graphite.c (free_scop, param_index, initialize_cloog_names,
7725         nb_params_in_scop): Use name_tree map instead of just a tree
7726         for keeping track of the variable name associated to that tree.
7727         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
7728         clast_to_gcc_expression, graphite_create_iv,
7729         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
7730         graphite_stmt_to_gcc_stmt): New.
7731         (gloog): Call these.
7732         * graphite.h (struct name_tree): New.
7733         (struct scop): Use name_tree instead of tree for params.
7734         Store a vector of name_tree for new_ivs.
7735         (SCOP_NEWIVS): New.
7736         (scop_nb_params): Use name_tree instead of tree.
7737
7738 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
7739             Sebastian Pop  <sebastian.pop@amd.com>
7740
7741         * tree-bounds.c: New.
7742         * tree-bounds.h: New.
7743         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
7744         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
7745         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
7746         flag_mudflap.
7747         * gcc.c: Same.
7748         * toplev.c: Same.
7749         * c-cppbuiltin.c: Same.
7750         * c-pragma.c: Same.
7751         * common.opt: Same.
7752         * varasm.c: Same.
7753         * tree-outof-ssa.c: Same.
7754         * c-common.c: Same.
7755         * Makefile.in: Same.
7756
7757 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
7758             Sebastian Pop  <sebastian.pop@amd.com>
7759
7760         * tree-loop-distribution.c (remaining_stmts,
7761         upstream_mem_writes): Removed static variables.
7762         (copy_loop_before, create_bb_after_loop,
7763         mark_nodes_having_upstream_mem_writes, free_rdg_components,
7764         rdg_build_components, rdg_build_partitions,
7765         dump_rdg_partitions): Extern.
7766         (generate_loops_for_partition, generate_code_for_partition): Do not
7767         return a bool.
7768         (already_processed_vertex_p, predecessor_has_mem_write,
7769         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
7770         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
7771         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
7772         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
7773         Pass remaining_stmts and upstream_mem_writes as parameters.
7774         (rdg_component): Moved...
7775         (build_rdg_partition_for_component): Do not aggregate components when
7776         flag_streamize_loops is set.
7777         (gen_sequential_loops): New.
7778         (ldist_gen): Call gen_sequential_loops.
7779
7780         * tree-pass.h (pass_loop_streamization): Declared.
7781
7782         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
7783         basic blocks when loops structures exist.
7784
7785         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
7786
7787         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
7788
7789         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
7790         eliminate_local_variables_stmt, eliminate_local_variables,
7791         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
7792         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
7793         of code delimited by two edges in the CFG.
7794         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
7795         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
7796         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
7797         the case of parallelisation of reductions.
7798         (create_loop_fn): Extern.
7799         (create_omp_parallel_region): New.
7800
7801         * tree-data-ref.c (dump_data_dependence_relation): Don't call
7802         dump_data_reference for printing dra and drb.
7803         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
7804         RDGE_RELATION.
7805         (build_rdg): Don't call free_dependence_relations for the moment, as
7806         we attach dependence relations on each edge of the RDG.
7807         To be fixed later.
7808
7809         * tree-data-ref.h (rdg_component): ...here.
7810         (struct rdg_edge): New field ddr_p relation.
7811         (RDGE_RELATION): New.
7812         (create_bb_after_loop, copy_loop_before,
7813         mark_nodes_having_upstream_mem_writes, rdg_build_components,
7814         rdg_build_partitions, dump_rdg_partitions,
7815         free_rdg_components): Declared.
7816
7817         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
7818         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
7819
7820         * tree-loop-streamization.c: New.
7821
7822         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
7823         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
7824
7825         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
7826
7827         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
7828
7829         * passes.c: Schedule pass_loop_streamization.
7830
7831 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
7832
7833         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
7834         update comment.
7835
7836 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
7837
7838         * graphite.c (dot_all_scops): Update formatting.
7839         Bbs can now be part of more than one SCoP.
7840
7841 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
7842
7843         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
7844         malloc problems.
7845         (loop_domain_dim): Check for unregistered toplev SCOP loop.
7846         * graphite.h (loop_to_cloog_loop): New.
7847
7848 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7849
7850         * graphite.c (loop_domain_dim, ref_nb_loops,
7851         loop_iteration_vector_dim): New.
7852         (build_access_matrix_with_af, build_access_matrix,
7853         initialize_dependence_polyhedron): Fixed for new matrix layout.
7854         No longer assume that all iteration domains are of the same
7855         dimensionality.
7856
7857 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
7858
7859         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
7860         defined in a loop at depth 0 is invariant.
7861         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
7862         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
7863         be called at loop depth 0.
7864
7865         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
7866         a parameter.
7867         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
7868         (down_open_scop): Removed.
7869         (loop_in_scop_p): Redefined.
7870         (scop_affine_expr): New argument: scop.
7871         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
7872         a harmful statement ending a scop.
7873         (basic_block_simple_for_scop_p): New argument: scop.
7874         (get_loop_start): Removed.
7875         (new_scop): Initialize SCOP_LOOPS.
7876         (free_scop): Free SCOP_LOOPS.
7877         (succs_at_same_depth, preds_at_same_depth): New.
7878         (end_scop): Test the validity of a scop.
7879         (add_dominators_to_open_scops): New.
7880         (test_for_scop_bound): Call add_dominators_to_open_scops.
7881         Add cases for opening and closing multiple scops.
7882         (build_scops, build_scop_bbs): Iterate over basic blocks in
7883         depth first order.
7884         (build_graphite_bb): Pass scop directly.
7885         (dfs_bb_in_scop_p): New.
7886         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
7887         several times.
7888         (nb_loops_around_gb): Use loop_in_scop_p.
7889         (schedule_to_scattering): Disabled for the moment the code computing
7890         the "textual order for outer loop".
7891
7892         * graphite.h (struct scop): New field loops.
7893         (SCOP_LOOPS): New.
7894         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
7895
7896         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
7897
7898 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
7899             Sebastian Pop  <sebastian.pop@amd.com>
7900
7901         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
7902         * common.opt (fstreamize-loops): New.
7903         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
7904         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
7905         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
7906         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
7907
7908 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7909
7910         * tree-data-ref.c (build_empty_rdg): New.
7911         (build_rdg): Use it.
7912         * tree-data-ref.h (build_empty_rdg): Declared.
7913         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
7914         (find_vertex_for_stmt): Removed.
7915         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
7916
7917 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
7918
7919         * tree-loop-distribution.c (generate_builtin): After cancelling the
7920         loop tree, also delete basic blocks.
7921         (rdg_flag_uses): Stop recursion when a vertex has already been
7922         processed.
7923
7924 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7925
7926         * graphite.c (build_scop_alpha): Removed.
7927         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
7928         and dump_dependence_graph to avoid compiler warnings.
7929
7930 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7931
7932         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
7933         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
7934         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
7935         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
7936         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
7937         (initialize_dependence_polyhedron, find_vertex_for_stmt,
7938         initialize_data_dependence_polyhedron, is_empty_polyhedron,
7939         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
7940         dump_dependence_graph): New.
7941         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
7942         (GBB_ALPHA): New.
7943         (struct scop): New field loop2cloog_loop.
7944         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
7945         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
7946
7947 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7948
7949         * graphite.c (build_graphite_bb): Fix initialization
7950         of the graphite basic block.
7951
7952 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
7953
7954         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
7955         loop domain matrix.  Pass in the number of loops contained in the
7956         constraint matrix.
7957         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
7958         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
7959         loops that are not surrounding the current loop are not represented
7960         in the domain constraint matrix.
7961         (build_scop_iteration_domain): Initial domain constraint matrix
7962         contains only the eq/ineq, cst, and scop parameters columns.
7963
7964 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7965
7966         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
7967         (print_graphite_bb): Print scattering.
7968
7969 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7970
7971         * graphite.c (initialize_cloog_names): Initialize names of
7972         scattering variables.
7973
7974 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7975
7976         * graphite.c (dot_all_scops_1): Disable debug output while
7977         printing graph.
7978
7979 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7980
7981         * graphite.c (find_transform): Change cloog output language to C.
7982
7983 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
7984
7985         * tree-loop-distribution.c (generate_memset_zero,
7986         generate_builtin, generate_code_for_partition,
7987         rdg_flag_all_uses): New.
7988         (rdg_flag_uses): Gather in the same partition the statements defining
7989         the VUSES of the current statement.
7990         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
7991         Gather in the same partition not only the stores to the same memory
7992         access, but also the reads.
7993         (ldist_generate_loops): Renamed ldist_gen.
7994
7995 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
7996             Tobias Grosser  <grosser@fmi.uni-passau.de>
7997
7998         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
7999         next pointer, don't use the inner pointer.
8000
8001 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
8002
8003         * graphite.c (dot_all_scops, dot_all_scops_1): New.
8004         (find_transform): Call dot_all_1.
8005         * graphite.h (dot_all_scops): Declared.
8006
8007 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
8008
8009         * tree-loop-distribution.c: Fix apsi.f ICE.
8010         (create_bb_after_loop): New.
8011         (generate_loops_for_partition): Use it.
8012         * gfortran.dg/ldist-1.f90: New.
8013
8014         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
8015         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
8016
8017 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8018
8019         * graphite.c (find_transform): Dump cloog program sent to cloog.
8020
8021 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8022
8023         * graphite.c (initialize_cloog_names): Initialize cloog
8024         iterator names.
8025
8026 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8027
8028         * graphite.c (build_scop_context): Fix typo, for the matrix
8029         format: insert '0 >= 0' instead of '-1 >= 0'.
8030
8031 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8032
8033         * Fix merge problems.
8034
8035 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8036
8037         * graphite.c (setup_cloog_loop): Fix typo.
8038
8039 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8040
8041         * doc/invoke.texi (-ftree-loop-distribution): Documented.
8042         * tree-loop-distribution.c: Reimplemented.
8043         * tree-pass.h (pass_loop_distribution): New.
8044         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
8045         print_loops.
8046         * graphds.h (struct graph): New field indexes.
8047         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8048
8049         * tree-vect-analyze.c: Remove declaration of static functions when not
8050         needed.
8051         * tree-vectorizer.c: Same.
8052         (rename_variables_in_loop): Now extern.
8053         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
8054         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
8055         calling redirect_edge_and_branch_force.
8056
8057         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
8058
8059         * tree-data-ref.c: Don't include tree-chrec.h.
8060         (debug_data_dependence_relations): New.
8061         (dump_data_dependence_relation): Call dump_data_reference on data refs
8062         in the relation.
8063         (same_access_functions): Moved...
8064         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
8065         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8066         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
8067         struct rdg_vertex_info, ): New.
8068         (create_rdg_edge_for_ddr): Compute the dependence level before looking
8069         at DDR_REVERSED_P.
8070         (create_rdg_vertices): Initialize the htab of graph->indexes.
8071         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
8072         (stmts_from_loop): Don't save LABEL_EXPR.
8073         (hash_stmt_vertex_info, eq_stmt_vertex_info,
8074         hash_stmt_vertex_del): New.
8075         (build_rdg): Initialize rdg->indexes.
8076         (free_rdg, stores_from_loop, ref_base_address,
8077         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
8078         have_similar_memory_accesses_1, ref_base_address_1,
8079         remove_similar_memory_refs): New.
8080
8081         * tree-data-ref.h: Include tree-chrec.h.
8082         (debug_data_dependence_relations): Declared.
8083         (same_access_functions): ...here.  Now static inline.
8084         (ddr_is_anti_dependent, ddrs_have_anti_deps,
8085         ddr_dependence_level): New.
8086         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
8087         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
8088         RDG_MEM_READS_STMT): New.
8089         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8090         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
8091         rdg_vertex_for_stmt): Declared.
8092         (struct rdg_edge): New field level.
8093         (RDGE_LEVEL, free_rdg): New.
8094         (stores_from_loop, remove_similar_memory_refs,
8095         rdg_defs_used_in_other_loops_p,
8096         have_similar_memory_accesses): Declared.
8097         (rdg_has_similar_memory_accesses): New.
8098
8099         * lambda.h (dependence_level): New.
8100         * common.opt (ftree-loop-distribution): New.
8101         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
8102         (print_loop_ir): Renamed print_loops.
8103         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
8104         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
8105         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
8106         (tree-loop-distribution.o): Added.
8107         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
8108         (mark_virtual_ops_in_bb): New.
8109         (print_loops_bb, debug_loop_num, debug_loop): New.
8110         * passes.c: Scheduled pass_loop_distribution.
8111
8112 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8113
8114         * graphite.c (scan_tree_for_params): Correct the number of columns
8115         for polylib format.
8116         (nb_flat_iterator): New.
8117         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
8118         (build_scop_iteration_domain): Correct the number of columns for
8119         polylib format.
8120
8121 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8122
8123         * Merge from mainline (129697:130800).
8124
8125 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
8126
8127         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
8128         dominated by SCoP's exit.
8129         (graphite_transform_loops): Compute post dominators.
8130
8131 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8132
8133         * Merge from mainline (127169:129697).
8134
8135 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8136
8137         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
8138         parameter for the basic block that contains the expression.  Use
8139         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
8140         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
8141         the expression.
8142         * graphite.h (gbb_loop): New.
8143         (GBB_LOOP): Removed.
8144
8145 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8146
8147         * Makefile.in: Fix merge problem.
8148
8149 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8150
8151         * Merge from mainline (125309:127169).
8152         * tree-loop-distribution.c: Disabled.
8153
8154 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
8155
8156         * Merge from mainline (r123693:125309).
8157
8158 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
8159
8160         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
8161         correct_modify_p
8162         (correct_modify_p, check_statements, number_of_lvalue_uses,
8163         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
8164         instead of MODIFY_EXPR.
8165         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
8166         and push new edges.
8167
8168 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
8169
8170         * tree-loop-distribution.c (struct rdg): Replace arrays by
8171         VECs for edges and vertices.
8172         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
8173         (RDGV_NB_PARTITIONS): New.
8174         (PRDG_NBV, PRDG_NBE): Removed.
8175         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
8176         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
8177         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
8178
8179 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
8180             Sebastian Pop  <sebpop@gmail.com>
8181
8182         * doc/invoke.texi (-ftree-loop-distribution): Document.
8183         * tree-loop-distribution.c: New file.
8184         * tree-pass.h (pass_loop_distribution): Declared.
8185         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8186         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
8187         and set reversed_p.
8188         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
8189         (DDR_REVERSED_P): New.
8190         * common.opt (-ftree-loop-distribution): New.
8191         * tree-flow.h (distribute_loops): Declared.
8192         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
8193         * passes.c (init_optimization_passes): Schedule loop distribution.
8194
8195 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
8196
8197         * graphite.c (print_graphite_bb): Don't call dump_data_references.
8198         (print_scop): Don't print when scop is NULL.
8199         (build_scop_context, find_transform): Don't output to stderr.
8200
8201 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
8202
8203         * tree-data-ref.c: Don't include graphite.h.
8204         Comment out the code for printing data reference's scop.
8205         (build_access_matrix_with_af): Moved...
8206         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
8207         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
8208         (print_graphite_bb): Print basic block's schedule.
8209         (print_scop): Don't print the schedule, call cloog's pretty printer.
8210         (bb_in_scop_p): A basic block is in a scop only if it is both
8211         dominated and postdominated by the scop's entry and exit basic blocks.
8212         (function_parameter_p): New.
8213         (invariant_in_scop_p): Use function_parameter_p.
8214         (new_scop, save_scop): New.
8215         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
8216         save_scop.
8217         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
8218         (loop_in_scop_p): New.
8219         (scop_record_loop): Use loop_in_scop_p.
8220         (build_scop_domain): Renamed build_scop_iteration_domain.
8221         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
8222         nb_params_in_scop, build_scop_context, first_loop_in_scop,
8223         setup_cloog_loop, dot_scop_1, dot_scop): New.
8224         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
8225         (struct scop): Add a pointer to cloog's representation of a program.
8226
8227 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8228
8229         * doc/invoke.texi (-ftree-check-verbose): Renamed
8230         -ftree-checks-verbose.
8231         * common.opt (flag_tree_check_verbose): Renamed
8232         flag_tree_checks_verbose.
8233         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
8234
8235 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8236
8237         * configure: Regenerated.
8238         * config.in: Regenerated.
8239         * tree-ssa-loop.c (graphite_transforms): Execute
8240         graphite_transform_loops only when HAVE_cloog.
8241         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
8242         * graphite.c: Include polylibgmp.h and cloog.h.
8243         (graphite_transform_loops): Removed loops parameter.
8244         * tree-flow.h (graphite_transform_loops): Update declaration.
8245         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
8246         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
8247         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
8248         (OBJS-common): Remove dependence on graphite.o.
8249         (BACKEND): Depend on @GRAPHITE@.
8250
8251 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
8252
8253         * doc/invoke.texi (-ftree-check-verbose): Documented.
8254         * gcc.dg/tree-checker/tree-checks-1.c: New.
8255         * gcc.dg/tree-checker/tree-checks-2.c: New.
8256         * gcc.dg/tree-checker/tree-checks-3.c: New.
8257         * gcc.dg/tree-checker/tree-checks-4.c: New.
8258         * gcc.dg/tree-checker/tree-checks.exp: New.
8259         * gcc.dg/tree-checker/condates.crp: New.
8260         * common.opt (ftree-checks-verbose): New.
8261         * tree-check.c (tree_check_warning): Move extra stderr output
8262         under control of flag_tree_check_verbose.
8263
8264 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
8265
8266         * tree-match.c: Fix comments formatting.
8267         * tree-match.h: Fix comments formatting.
8268         * tree-check.c: Fix comments formatting.
8269         (tree_check_init): Restructure.
8270
8271 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
8272
8273         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
8274
8275 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
8276
8277         * Merge from mainline (r120733:123693).
8278
8279 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
8280
8281         * condate.y: New file.
8282         * tree-match.h (struct patt_info_s): New field sign.
8283         (struct condate_s): New field msg.
8284         (normalize_condate, name_condate, add_condate): New.
8285         (conds[], condate_parse): Made extern.
8286         * tree-check.c (tree_check_warning): First arg changed to cond;
8287         warning reformatted.
8288         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
8289         (tree_scan): New.
8290         (tree_check): Process trivial condates.
8291         (read_delimited_string): Removed.
8292         (print_cond): Print name and msg.
8293         (conds[]): Made extern.
8294         (parse_tree_check_file_once): Rewritten to use the parser in
8295         condate.y.
8296         Processing of option --tree_check_string moved to tree_scan().
8297         * Makefile.in: Added condate.y
8298
8299 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
8300
8301         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
8302         Use VECs instead of varrays.
8303         * diagnostic.h (lazy_dump_generic_node): Update declaration.
8304         * Makefile.in (pretty-print.o): Depend on vec.h.
8305         * pretty-print.c: Include tree.h and vec.h.
8306         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
8307         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
8308         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
8309         pp_free_list): Use VECs instead of varrays.
8310         * pretty-print.h: Do not include varray.h.
8311         (struct tree_chunk_s): Declaration moved before its use.
8312         (output_buffer): Rename varray field to chunks.
8313         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
8314         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
8315         save_global_holes): Use VECs instead of varrays.
8316         * tree-match.h: Declare VECs of cfg_node, and hole_p.
8317         * tree-check.c (scan_cfg_stmts, push_node,
8318         print_matching_stmt): Removed.
8319         (tree_check_instance, push_global_holes_if_new, tree_check,
8320         execute_tree_check): Use VECs instead of varrays.
8321         (gate_tree_check): Don't execute the CFG check when basic_block_info
8322         is not available.
8323
8324 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8325
8326         * Merge from mainline (r115016:120733).
8327
8328 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8329
8330         * Merge from mainline (r117632:117661).
8331
8332 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8333
8334         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
8335         * tree-pass.h (TDF_DEBUG, debug_p): New.
8336         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
8337         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
8338         get_loop_exit_condition, analyze_evolution_in_loop,
8339         analyze_initial_condition, analyze_scalar_evolution,
8340         instantiate_parameters, number_of_latch_executions): Use debug_p.
8341         * tree-chrec.c (chrec_apply): Use debug_p.
8342         * tree-data-ref.c: Include graphite.h.
8343         (dump_data_reference): Print also the access matrix.
8344         (analyze_array, analyze_indirect_ref, init_data_ref,
8345         analyze_offset_expr, address_analysis, object_analysis,
8346         create_data_ref, finalize_ddr_dependent,
8347         non_affine_dependence_relation, analyze_ziv_subscript,
8348         analyze_siv_subscript_cst_affine,
8349         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8350         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
8351         analyze_miv_subscript, analyze_overlapping_iterations,
8352         build_classic_dist_vector, subscript_dependence_tester,
8353         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
8354         (build_access_matrix_with_af): No longer static.
8355         * tree-data-ref.h (scop_p): ... declaration here.
8356         (data_reference.scop): New field.
8357         (DR_SCOP, DR_ACCESS_MATRIX): New.
8358         (build_access_matrix_with_af, dr_num_subscripts): Declared.
8359         * graphite.c (print_graphite_bb): Call dump_data_references.
8360         (print_scop): Use scop_nb_loops and scop_dim_domain.
8361         (test_for_scop_bound): Use debug_p.
8362         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
8363         scop_nb_params.
8364         (scop_loop_index): Moved...
8365         (scop_record_loop): New.
8366         (build_scop_loop_nests): Use scop_record_loop.
8367         (build_scop_domain): Use scop_dim_domain.
8368         (build_access_matrix): Implemented.
8369         (build_scop_canonical_schedules): Use scop_nb_loops.
8370         (build_graphite_bb): Initialize GBB_SCOP.
8371         * graphite.h (scop_p): Moved...
8372         (graphite_bb.scop): New field.
8373         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
8374         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
8375         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
8376         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
8377         scop_loop_index): New.
8378         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
8379
8380 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
8381
8382         * Merge from mainline (r117661:120450).
8383
8384 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
8385
8386         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
8387         at the first declaration outside the varying loop, instantiate as
8388         far as possible.
8389         * tree-chrec.c (for_each_scev_op): New.
8390         * tree-chrec.h (for_each_scev_op): Declared.
8391         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
8392         * tree-data-ref.c (get_references_in_stmt,
8393         find_data_references_in_stmt): New, from trunk.
8394         (find_data_references_in_loop): Use get_references_in_stmt
8395         and find_data_references_in_loop, modified as in trunk.
8396         (build_access_matrix_with_af): New.
8397         * tree-data-ref.h (data_reference): Add a field access_matrix.
8398         (data_ref_loc): New, as in trunk.
8399         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
8400         invariant_in_scop_p, param_index, scan_tree_for_params,
8401         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
8402         idx_record_param, idx_record_params, build_access_matrix,
8403         build_scop_data_accesses, build_scop_canonical_schedules,
8404         build_graphite_bb, build_scop_bbs, find_params_in_bb,
8405         build_scop_params): New.
8406         * graphite.h (graphite_bb): New.
8407         (scop): Add fields static_schedule, params, loop_nest,
8408         iteration_domain.
8409         * lambda.h: Declare vecs of lambda_matrix.
8410         * tree-flow.h (print_loop_ir_bb): Declared.
8411         * tree-cfg.c (print_loop_ir_bb): New.
8412         (print_loop): Use print_loop_ir_bb.
8413
8414 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
8415
8416         * Merge from mainline (r115016:117632).
8417
8418 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
8419
8420         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
8421         break due to a warning.
8422
8423 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
8424
8425         * graphite.c (print_scops, debug_scops): New.
8426         (graphite_transform): Renamed graphite_find_transform.
8427         * graphite.h (debug_scops): Declared.
8428
8429 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
8430
8431         * tree-match.c: Reformat following the GNU style.
8432         * tree-match.h: Reformat following the GNU style.
8433         * tree-pattern.h: Removed empty file.
8434         * Makefile.in: Remove references to tree-pattern.h.
8435         * tree-check.c: Reformat following the GNU style.
8436         (execute_tree_check): Move gate condition code to...
8437         (gate_tree_check): ...here.  New function.
8438         (pass_check): Use the gate function.
8439
8440 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
8441
8442         * tree-pattern.h: New. Tree pattern matching and checking using
8443         concrete syntax.
8444         * tree-check.c: New. Tree/CFG checking pass.
8445         * tree-match.c: New. Library for tree pattern matching.
8446         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
8447         * toplev.c, flags.h: Add globals for tree-check pass.
8448         * Makefile.in: Integrate the files in tree-check pass.
8449         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
8450         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
8451         Introduce a "lazy" pretty-print mode.
8452         * tree.c, tree.h: Add tree_name.
8453
8454 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
8455
8456         * doc/invoke.texi (-fgraphite): Correct typo.
8457         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
8458         use of print_loop_ir.
8459         * gcc.dg/graphite/scop-1.c: New.
8460         * gcc.dg/graphite/scop-2.c: New.
8461         * gcc.dg/graphite/graphite.exp: New.
8462         * graphite.c: Include domwalk.h.
8463         (print_scop): Print only the entry and exit blocks.
8464         (debug_scop): No longer static.
8465         (affine_expr): Fix formating.  Return also true when the expression is
8466         constant.
8467         (stmt_simple_for_scop_p): Fix formating.
8468         (build_scops): Use domwalk.
8469         (get_loop_start, end_scop, test_for_scop_bound): New.
8470         (graphite_transform_loops): Avoid printing on stderr.
8471         * graphite.h (debug_scop): Declared.
8472         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
8473         * Makefile.in (graphite.o): Depend on domwalk.h.
8474         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
8475         declarations for static functions.
8476         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
8477         controlling output verbosity.
8478
8479 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
8480             Plesco Alexandru  <shurikx@gmail.com>
8481
8482         * doc/invoke.texi (-fgraphite): Document.
8483         * tree-pass.h (pass_graphite_transforms): Declared.
8484         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
8485         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
8486         (pass_graphite_transforms): Defined.
8487         * tree-data-ref.c (free_data_ref, data_reference): Extern.
8488         * tree-data-ref.h (free_data_ref, data_reference): Declared.
8489         * graphite.c, graphite.h: New.
8490         * common.opt (fgraphite): Declared.
8491         * tree-flow.h (graphite_transform_loops): Declared.
8492         * Makefile.in (OBJS-common): Add graphite.o.
8493         (graphite.o): New rule.
8494         * passes.c (pass_graphite_transforms): Scheduled.
8495