+2004-09-16 Frank Ch. Eigler <fche@redhat.com>
+
+ * profile.c (branch_prob): Restore support for USE_MAPPED_LOCATION.
+
+2004-09-16 Jeff Law <law@redhat.com>
+
+ * tree-into-ssa.c (block_defs_stack): New toplevel varray.
+ (rewrite_block_data): Remove, no longer used.
+ (rewrite_initialize_block_local_data): Remove, no longer used.
+ (rewrite_initialize_block): Mark parameters as unused as needed.
+ Change references to the block local block_defs to be block_defs_stack.
+ Push a marker onto the block_defs_stack.
+ (ssa_rewrite_initialize_block): Similarly.
+ (rewrite_stmt, ssa_rewrite_stmt): Similarly.
+ (ssa_register_new_def): No longer needs varray argument. Use
+ block_defs_stack instead. No longer handle possibly null block_defs
+ varray. Reverse order of items we push on the stack to make it
+ easier to identify our marker.
+ (register_new_def): No longer handle possibly null block_defs
+ varray.
+ (rewrite_finalize_block): Revamp to look for markers in the global
+ block_defs_stack varray rather than wiping a block local varray.
+ Mark arguments as unused as needed.
+ (ssa_rewrite_finalize_block): Similarly.
+ (rewrite_into_ssa): Update initialization of dom walker structure
+ to reflect that we don't need block local data anymore. Initialize
+ the block_defs_stack varray.
+ (rewrite_ssa_into_ssa): Similarly.
+ * tree-ssa-dom.c (block_defs_stack): New toplevel varray.
+ (struct dom_walk_data): Kill block_defs field.
+ (tree_ssa_dominator_optimize): Initialize block_defs_stack.
+ (thread_across_edge): Use the global block_defs_stack instead of
+ the old block_defs varray.
+ (dom_opt_initialize_block_local_data): Update now that we don't have
+ block_defs field to check anymore.
+ (dom_opt_initialize_block): Push a marker onto block_defs_stack.
+ (restore_currdefs_to_original_value): Use the new block_defs_stack
+ instead of a block local varray.
+ (dom_opt_finalize_block): Similarly.
+ (record_equivalencs_from_phis): Similarly.
+ (optimize_stmt, register_definitions_for_stmt): Similarly.
+
+2004-09-16 Andrew MacLeod <amacleod@redhat.com>
+
+ PR tree-optimization/17517
+ * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
+ coalesce same-root variables without checking for abnormal PHI usage.
+
+2004-09-16 Daniel Berlin <dberlin@dberlin.org>
+
+ * cfgloop.h (duplicate_loop): Add prototype.
+ * cfgloopmanip.c (duplicate_loop): Make non-static.
+ * lambda-code.c (perfect_nestify): Factor out test whether
+ we can handle this loop into separate function.
+ Call it.
+ (can_convert_to_perfect_nest): New function.
+ (replace_uses_of_x_with_y): Add modify_stmt call.
+ * tree-loop-linear.c (linear_transform_loops): Call
+ rewrite_into_loop_closed_ssa and free_df.
+
+2004-09-16 Daniel Berlin <dberlin@dberlin.org>
+
+ * lambda-code.c (invariant_in_loop): is_gimple_min_invariant is
+ loop invariant as well.
+ (perfect_nestify): new function.
+ (gcc_loop_to_lambda_loop): New parameters to track lower bounds,
+ upper bounds, and steps.
+ Set outerinductionvar properly.
+ (gcc_loopnest_to_lambda_loopnest): Add loops and need_perfect
+ parameters.
+ Return NULL if we need a perfect loop and can't make one.
+ (lambda_loopnest_to_gcc_loopnest): Correct algorithm.
+ (not_interesting_stmt): New function.
+ (phi_loop_edge_uses_def): Ditto.
+ (stmt_uses_phi_result): Ditto.
+ (stmt_is_bumper_for_loop): Ditto.
+ (perfect_nest_p): Ditto.
+ (nestify_update_pending_stmts): Ditto.
+ (replace_uses_of_x_with_y): Ditto.
+ (stmt_uses_op): Ditto.
+ (perfect_nestify): Ditto.
+ * lambda-mat.c (lambda_matrix_id_p): New function.
+ * lambda-trans.c (lambda_trans_matrix_id_p): Ditto.
+ * lambda.h: Update prototypes.
+ * tree-loop-linear (linear_transform_loop): Use new
+ perfect_nest_p. Detect and ignore identity transform.
+ * tree-ssa-loop.c (pass_linear_transform): Use TODO_write_loop_closed.
+
+2004-09-16 Sebastian Pop <pop@cri.ensmp.fr>
+
+ * tree-loop-linear.c (gather_interchange_stats): Add more comments.
+ Gather also strides of accessed data. Pass in the data references
+ array.
+ (try_interchange_loops): Add a new heuristic for handling the temporal
+ locality. Pass in the data references array.
+ (linear_transform_loops): Pass the data references array to
+ try_interchange_loops.
+
+2004-09-16 Kazu Hirata <kazu@cs.umass.edu>
+
+ * doc/invoke.texi: Fix typos. Follow spelling conventions.
+
+2004-09-16 Nathan Sidwell <nathan@codesourcery.com>
+
+ * doc/c-tree.texi (Classes): Remove index entries for
+ TREE_VIA_{PUBLIC,PROTECTED,PRIVATE}.
+
+2004-09-16 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
+
+ * fold-const.c (fold): Fold difference of addresses.
+ (ptr_difference_const): Moved from tree-ssa-loop-ivopts, based on
+ get_inner_reference.
+ * tree-ssa-loop-ivopts.c (peel_address): Removed.
+ (ptr_difference_const): Moved to fold-const.c.
+ (split_address_cost): Use get_inner_reference instead of peel_address.
+ (ptr_difference_cost): Change type of diff to HOST_WIDE_INT.
+ * tree.h (ptr_difference_const): Export.
+
+ * tree-ssa-loop-ivopts.c (dump_iv, dump_use, dump_cand): Add induction
+ variable type to the dump. Fix indentation.
+ (idx_find_step): Handle nonconstant array_ref_element_size and
+ array_ref_low_bound.
+ (idx_record_use): Handle array_ref_element_size and
+ array_ref_low_bound.
+ (find_interesting_uses_stmt): Handle memory = nontrivial_expression
+ statements correctly.
+ (get_computation_at, iv_value): Do not unshare expressions here.
+ (rewrite_use_outer): Unshare the expression before it is emitted
+ to code.
+ * tree-ssa-loop-niter.c (unsigned_type_for, signed_type_for):
+ Moved to tree.c.
+ * tree.c (unsigned_type_for, signed_type_for): Moved from
+ tree-ssa-loop-niter.c. Use langhooks.
+ * tree.h (signed_type_for): Export.
+
+2004-09-16 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section): Update
+ prototype.
+
2004-09-15 Andrew Pinski <pinskia@physics.uc.edu>
PR target/11572
2004-09-13 Kenneth Zadeck <Kenneth.Zadeck@NaturalBridge.com>
-
* tree-ssa-operands.c (get_call_expr_operands): Added parm to
add_call_clobber_ops and add_call_read_ops.
(add_call_clobber_ops, add_call_read_ops): Added code to reduce
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