gcc/ChangeLog.graphite

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