+2009-12-17 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR middle-end/42186
+ * testsuite/gfortran.dg/graphite/pr42186.f90: New.
+
+2009-12-17 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR middle-end/42205
+ * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
+ Insert the reduction copy in the same block as the phi node.
+ (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
+
+ * testsuite/gcc.dg/graphite/pr42205-1.c: New.
+ * testsuite/gcc.dg/graphite/pr42205-2.c: New.
+
+2009-12-17 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR middle-end/42221
+ * sese.c (expand_scalar_variables_expr): Follow the SSA links into
+ the array indexing of ADDR_EXPRs.
+
+ * testsuite/gcc.dg/graphite/pr42221.c: New.
+
+2009-12-17 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR middle-end/42178
+ PR middle-end/42334
+ * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
+ index. Call lst_interchange_select_inner only once.
+ (lst_interchange_select_inner): Update use of lst_try_interchange.
+ (lst_interchange_select_outer): Update.
+
+2009-12-15 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR middle-end/42178
+ PR middle-end/42334
+ * graphite-interchange.c (lst_try_interchange): Do not increment the
+ the OUTER index when there is no AFTER kernel. Do not increment the
+ OUTER index for after processing the AFTER kernel.
+ (lst_interchange_select_inner): Call lst_try_interchange only on loops.
+ (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
+ index. Do not pass to lst_interchange_select_inner the OUTER index.
+ (scop_do_interchange): Update use of lst_interchange_select_outer.
+
+ * testsuite/gfortran.dg/graphite/graphite.exp
+ (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
+ * testsuite/gfortran.dg/graphite/interchange-1.f: Add comment. Clean
+ the graphite dump file.
+ * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
+ * testsuite/gfortran.dg/graphite/pr42334-1.f: New.
+
+2009-12-15 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR middle-end/42178
+ PR middle-end/42334
+ * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
+ that are empty.
+ (lst_do_interchange_1): Renamed lst_interchange_select_inner.
+ (lst_try_interchange): Reimplemented.
+ (lst_interchange_select_inner): Same.
+ (lst_do_interchange): Renamed lst_interchange_select_outer.
+ Reimplemented.
+ (scop_do_interchange): Update use of lst_interchange_select_outer.
+
+ * testsuite/g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
+ * testsuite/gcc.dg/graphite/block-0.c: Un-XFAILed.
+ * testsuite/gcc.dg/graphite/pr42211.c: New.
+ * testsuite/gfortran.dg/graphite/pr42334.f90: New.
+
+2009-12-14 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR middle-end/42181
+ * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
+ carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
+
+ * testsuite/gfortran.dg/graphite/pr42181.f90: New.
+
+2009-12-12 Sebastian Pop <sebpop@gmail.com>
+
+ PR middle-end/42284
+ * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
+ insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
+ (detect_commutative_reduction_arg): Simplified.
+ (detect_commutative_reduction): Early return when the argument of
+ the close phi is not of an SSA_NAME.
+
+ * testsuite/gcc.dg/graphite/pr42284.c: New.
+
+2009-12-11 Alexander Monakov <amonakov@ispras.ru>
+
+ * dbgcnt.def (graphite_scop): New counter.
+ * graphite.c: Include dbgcnt.h
+ (graphite_transform_loops): Use new counter to limit transformations.
+
+2009-12-08 Sebastian Pop <sebpop@gmail.com>
+
+ PR middle-end/42285
+ * graphite-scop-detection.c (graphite_can_represent_init): Also
+ handle more complex MULT_EXPRs containing parameters by recursion
+ on the structure.
+
+ * testsuite/gfortran.dg/graphite/pr42285.f90: New.
+
+2009-12-01 Tobias Grosser <grosser@fim.uni-passau.de>
+
+ * testsuite/g++.dg/graphite/pr42130.C: Fix type.
+
+2009-11-29 Alexander Monakov <amonakov@gcc.gnu.org>
+
+ * testsuite/g++.dg/graphite/pr42130.C: Correct testcase.
+
+2009-11-24 Tobias Grosser <grosser@fim.uni-passau.de>
+
+ * graphite-clast-to-gimple.c (try_mark_loop_parallel,
+ graphite_create_new_loop_guard, translate_clast_for): Fix comments.
+
+2009-11-23 Tobias Grosser <grosser@fim.uni-passau.de>
+
+ PR middle-end/42130
+ * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
+ translate_clast_for_loop): New.
+ (translate_clast_for): Add a condition around the loop, to do not
+ execute loops with zero iterations.
+ * testsuite/g++.dg/graphite/pr42130.C: New.
+ * testsuite/gcc.dg/graphite/pr35356-2.c: Adapt.
+
+2009-11-23 Tobias Grosser <grosser@fim.uni-passau.de>
+
+ * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
+ (translate_clast_for, translate_clast_guard, translate_clast, gloog):
+ Remove context_loop and level.
+
+2009-11-23 Tobias Grosser <grosser@fim.uni-passau.de>
+
+ * graphite-clast-to-gimple.c (translate_clast_user,
+ translate_clast_for, translate_clast_guard): Simplify and move common
+ elements to translate_clast().
+ (translate_clast): Simplify and get common elements.
+
+2009-11-23 Tobias Grosser <grosser@fim.uni-passau.de>
+
+ * graphite-clast-to-gimple.c (translate_clast_user,
+ translate_clast_for, translate_clast_guard): Split out of
+ translate_clast.
+
+2009-11-21 Tobias Grosser <grosser@fim.uni-passau.de>
+
+ * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
+ clast_name_to_index, save_clast_name_index, debug_clast_name_index,
+ debug_clast_name_indexes_1, debug_clast_name_indexes,
+ clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
+ (clast_name_to_gcc, clast_to_gcc_expression,
+ clast_to_gcc_expression_red, gcc_type_for_clast_expr,
+ gcc_type_for_clast_eq, graphite_translate_clast_equation,
+ graphite_create_guard_cond_expr, graphite_create_new_loop,
+ translate_clast): Add params_index.
+ (initialize_cloog_names): Create parameter strings from scratch, do
+ not reference other strings.
+ (create_params_index): New.
+ (gloog): Initialize params_index.
+ * graphite-scop-detection (free_scops_1): Removed.
+ (limit_scops): Use normal free_scops.
+ * graphite-sese-to-poly.c (save_var_names): Removed.
+ (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
+ and SESE_PARAMS_INDEX.
+ * sese.c (new_sese, free_sese): Dito.
+ * sese.h (struct sese): Remove params_index, params_names.
+ (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
+
+2009-11-20 Sebastian Pop <sebastian.pop@amd.com>
+
+ Revert the following patch from 2009-09-14:
+ * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
+ tree-scalar-evolution.h, and then tree-data-ref.h.
+ * graphite-clast-to-gimple.c: Same.
+ * graphite-dependences.c: Same.
+ * graphite-interchange.c: Same.
+ * graphite-poly.c: Same.
+ * graphite-scop-detection.c: Same.
+ * graphite-sese-to-poly.c: Same.
+ * graphite.c: Same.
+ * lambda-code.c: Same.
+ * matrix-reorg.c: Same.
+ * tree-data-ref.c: Same.
+ * tree-if-conv.c: Same.
+ * tree-loop-distribu: Same.: Same.
+ * tree-loop-linear.c: Same.
+ * tree-parloops.c: Same.
+ * tree-predcom.c: Same.
+ * tree-vect-patterns.c: Same.
+
+2009-11-20 Sebastian Pop <sebastian.pop@amd.com>
+
+ Revert patch from 2009-09-14.
+ * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
+ passes at -O1 and below.
+
+2009-11-18 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR middle-end/40281
+ * testsuite/gcc.dg/graphite/pr40281.c: New.
+
+ * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
+ evolutions should not variate in inner loops.
+
+2009-11-18 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR middle-end/42050
+ * testsuite/gfortran.dg/graphite/pr42050.f90: New.
+
+2009-11-18 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-interchange.c (memory_strides_in_loop_depth): New.
+ (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
+
+2009-11-18 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-blocking.c (scop_do_block): New.
+ * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
+ * graphite-poly.h (scop_do_block): Declared.
+
+2009-11-18 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
+ depth is the loop nesting depth in the LST. Call psct_dynamic_dim
+ to transform depth into the time_depth before calling
+ pbb_number_of_iterations_at_time.
+ (lst_do_strip_mine): Use a scalar variable instead of recomputing
+ lst_depth.
+
+2009-11-18 Sebastian Pop <sebastian.pop@amd.com>
+
+ Reverted the patch for "scattering permutations" from 2009-10-28.
+
+ * graphite-poly.c (print_permutation): New.
+ (debug_permutation): New.
+ (new_poly_bb): Initialize PBB_PERMUTATION.
+ (free_poly_bb): Free PBB_PERMUTATION.
+ * graphite-poly.h (pbb_permutation_elt_p): Declared.
+ (struct pbb_permutation_elt): New.
+ (PBB_PERMUTATION_ELT_STRIDE): New.
+ (PBB_PERMUTATION_ELT_STRIDED_P): New.
+ (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
+ (new_pbb_permutation_elt): New.
+ (pbb_permutation_elt_free): New.
+ (struct poly_bb): Add field permutation.
+ (PBB_PERMUTATION): New.
+ (print_permutation): Declared.
+ (debug_permutation): Declared.
+
+2009-11-04 Konrad Trifunovic <konrad.trifunovic@inria.fr>
+
+ * graphite-interchange.c (build_partial_difference): New.
+ (memory_stride_in_loop): Refactored the computation of
+ equality constraints into build_partial_difference function.
+ Added support for debugging stride computations.
+
+2009-11-03 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-clast-to-gimple.c (gloog): Free if_region,
+ if_region->true_region, and if_region->region.
+ * sese.c (if_region_set_false_region): Free if_region->false_region.
+ (create_if_region_on_edge): Do not use GGC_NEW.
+ (move_sese_in_condition): Remove useless initialization.
+
+2009-11-03 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
+ for the loops created by the loop distribution. Do not modify the
+ input LSTs.
+ (lst_try_interchange_loops): Same. Use a temporary LST for the
+ transformed schedule. Call lst_update_scattering before data
+ dependence analysis.
+ (lst_try_interchange): Pass an extra parameter INDEX.
+ (lst_do_interchange_1): New.
+ (lst_do_interchange): Call lst_do_interchange_1.
+ (scop_do_interchange): Call lst_update_scattering.
+ * graphite-poly.c (apply_poly_transforms): Do not call
+ lst_update_scattering.
+ * graphite-poly.h (lst_pred): New.
+ (lst_succ): New.
+ (lst_find_first_pbb): Return NULL when not found.
+ (lst_empty_p): New.
+ (lst_insert_in_sequence): Allow LST1 to be NULL.
+ (lst_replace): New.
+ (lst_substitute_3): New.
+ * gcc.dg/graphite/interchange-1.c: XFail.
+ * gcc.dg/graphite/interchange-8.c: XFail.
+ * gcc.dg/graphite/interchange-11.c: XFail.
+
+2009-10-30 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-interchange.c (lst_perfectly_nested_p): New.
+ (lst_perfect_nestify): New.
+ (lst_try_interchange_loops): Call store_lst_schedule,
+ lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
+ (scop_do_interchange): Avoid redundant legality test.
+ Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
+ * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
+ * graphite-poly.h (psct_static_dim): New.
+ (lst_dewey_number_at_depth): New.
+ (lst_find_pbb): Restructured.
+ (lst_find_first_pbb): Restructured.
+ (lst_find_last_pbb): New.
+ (lst_contains_p): New.
+ (lst_contains_pbb): New.
+ (lst_create_nest): New.
+ (lst_remove_from_sequence): New.
+ (pbb_update_scattering): New.
+ (lst_update_scattering_under): New.
+ (lst_update_scattering_seq): New.
+ (lst_update_scattering): New.
+ (lst_insert_in_sequence): New.
+ (lst_distribute_lst): New.
+ (lst_remove_all_before_including_pbb): New.
+ (lst_remove_all_before_excluding_pbb): New.
+
+2009-10-30 Sebastian Pop <sebastian.pop@amd.com>
+
+ * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
+ get_loop_exit_edges.
+
+2009-10-30 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
+
+2009-10-28 Konrad Trifunovic <konrad.trifunovic@gmail.com>
+
+ * graphite-poly.c (print_permutation): New.
+ (debug_permutation): New.
+ (new_poly_bb): Initialize PBB_PERMUTATION.
+ (free_poly_bb): Free PBB_PERMUTATION.
+ * graphite-poly.h (pbb_permutation_elt_p): Declared.
+ (struct pbb_permutation_elt): New.
+ (PBB_PERMUTATION_ELT_STRIDE): New.
+ (PBB_PERMUTATION_ELT_STRIDED_P): New.
+ (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
+ (new_pbb_permutation_elt): New.
+ (pbb_permutation_elt_free): New.
+ (struct poly_bb): Add field permutation.
+ (PBB_PERMUTATION): New.
+ (print_permutation): Declared.
+ (debug_permutation): Declared.
+
+2009-10-26 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-clast-to-gimple.c (gloog): Do not call
+ sese_reset_aux_in_loops.
+ * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
+ extra argument for domains. Do not use loop->aux.
+ (build_scop_iteration_domain): Initialize and free domains, pass it
+ to build_loop_iteration_domains and extract the information from
+ domains. Do not use loop->aux.
+ * sese.c (sese_reset_aux_in_loops): Removed.
+ * sese.h (sese_reset_aux_in_loops): Removed.
+
+2009-10-26 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
+ (dependency_in_loop_p): Same.
+ (translate_clast): Do not use loop->aux. Initialize
+ loop->can_be_parallel.
+ (mark_loops_parallel): Removed.
+ * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
+ * graphite.c (free_aux_in_new_loops): Removed.
+ (graphite_finalize): Do not call free_aux_in_new_loops.
+ (graphite_transform_loops): Do not call mark_loops_parallel.
+
+2009-10-26 Li Feng <nemokingdom@gmail.com>
+
+ * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
+ (translate_clast): Pass an extra parameter LEVEL.
+ Call get_scattering_level.
+ * graphite-clast-to-gimple.h (get_scattering_level): New.
+
+2009-10-22 Sebastian Pop <sebastian.pop@amd.com>
+
+ * cfgloop.c (alloc_loop): Initialize loop->single_iv.
+ * cfgloop.h (struct loop): New field single_iv.
+
+ * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
+ loop->aux anymore: use loop->single_iv.
+ (graphite_loop_normal_form): Moved...
+ (build_graphite_loop_normal_form): Removed.
+ (gloog): Do not call build_graphite_loop_normal_form.
+ (free_aux_in_new_loops): Moved...
+ (mark_loops_parallel): Restructure.
+ * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
+ * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
+ (scop_canonicalize_loops): New.
+ (build_poly_scop): Call scop_canonicalize_loops.
+ * graphite.c (free_aux_in_new_loops): ...here.
+
+2009-10-22 Sebastian Pop <sebastian.pop@amd.com>
+
+ * g++.dg/graphite/graphite.exp: Add the same rules as in
+ gcc.dg/graphite/graphite.exp.
+
+2009-10-22 Sebastian Pop <sebastian.pop@amd.com>
+
+ * g++.dg/graphite/id-1.C: New.
+
+2009-10-22 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
+ argument base_name.
+ (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
+ (rewrite_phi_out_of_ssa): Same.
+ (rewrite_cross_bb_scalar_deps): Same.
+ (translate_scalar_reduction_to_array): Same.
+
2009-10-22 Sebastian Pop <sebastian.pop@amd.com>
* graphite-sese-to-poly.c (build_scop_drs): Disable call to
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