+2004-11-22 Nick Clifton <nickc@redhat.com>
+
+ * sbitmap.c (sbitmap_union_of_preds): Set 'e' to the next edge
+ predecessor in the first for-loop.
+
+2004-11-21 Stan Shebs <shebs@apple.com>
+
+ * config/rs6000/rs6000.c: (rs6000_darwin64_function_arg): Add
+ UNION_TYPE case.
+ (function_arg): Move darwin test up, sniff mode first for
+ efficiency, test for union type.
+
+2004-11-21 Dale Johannesen <dalej@apple.com>
+
+ * config/darwin.h (JUMP_TABLES_IN_TEXT_SECTION): Define.
+
+2004-11-21 Jeff Law <law@redhat.com>
+
+ * tree-ssa.c (verify_use): Fix comment.
+ (verify_phi_args): Check that the number of incoming edges matches
+ the number of PHI arguments. Check that each PHI argument is
+ either an SSA_NAME or an invariant. Coalesce tests for PHIs for
+ dead or duplicated edges. Clear e->aux earlier and avoid separate
+ loop to clear e->aux and test for missed edges.
+ (verify_ssa): Remove first walk over statements. Move checking
+ of PHI args into verify_phi_args. Move checking of statements
+ with aliased stores and V_MAY_DEFS into the remaining loop over
+ the statements. Register defs by walking through the formal
+ SSA_NAME table.
+
+2004-11-21 Roger Sayle <roger@eyesopen.com>
+
+ PR middle-end/18520
+ * dojump.c (compare_from_rtx): Clarify mode argument in function
+ description. Correct order of mode/cmp_mode arguments in call to
+ simplify_relational_operation. Check "tem" for COMPARISON_P.
+
+2004-11-21 Paolo Bonzini <bonzini@gnu.org>
+ David Edelsohn <edelsohn@gnu.org>
+
+ PR target/17836
+ * config/rs6000/rs6000.c (rs6000_return_in_memory): Return
+ synthetic vectors in memory.
+ (function_arg_boundary): Align large synthetic vectors.
+ (rs6000_pass_by_reference): Pass synthetic vectors in memory.
+
+2004-11-21 Jeff Law <law@redhat.com>
+
+ * cfg.c (update_bb_profile_for_threading): Do not rescale the
+ successor probabilities if they are not going to change. Pull
+ division out of loop if we do need to rescale successor probabilities.
+
+ * tree-ssa-threadupdate.c (redirection_data_hash): Use the
+ index of the destination block for the hash value rather than
+ hashing a pointer.
+
+2004-11-20 Joseph S. Myers <joseph@codesourcery.com>
+
+ * c-typeck.c (build_array_ref): Don't check for index == 0. Make
+ checks for neither argument being an array or pointer (swapping
+ the arguments if necessary), the array argument being a pointer to
+ or array of functions and for -Wchar-subscripts warnings upfront.
+
+2004-11-20 Jeff Law <law@redhat.com>
+
+ * regrename.c (copyprop_hardreg_forward): Only search for a
+ previously processed block if the current block only has one
+ predecessor.
+
+2004-11-20 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-ssa-threadupdate.c, tree-vectorizer.c: Fix comment
+ typos.
+ * config/arm/arm.c: Follow spelling conventions.
+
+2004-11-20 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (arm_override_options): Use arm_ld_sched rather than testing
+ a bit in tune_flags.
+ (const_double_needs_minipool): Likewise. Split most of the code out
+ into ...
+ (arm_const_double_inline_cost): ... new function here.
+ * arm-protos.h (arm_const_double_inline_cost): Add prototype.
+ * arm.h (EXTRA_CONSTRAINT_STR_ARM): Add D[abc] constraints for double-
+ word constants of length 2, 3 and 4 insns respectively.
+ (CONSTRAINT_LEN): The 'D' prefix is a 2-letter constraint.
+ * arm.md (arm_movdi, movdf_soft_insn): Add alternatives for D[abc]
+ constraints. Set insn lenghts accordingly.
+
+2004-11-19 Jeff Law <law@redhat.com>
+
+ * tree-ssa-threadupdate.c: Replace REDIRECTION_DATA varray with
+ a hash table. Extensive modifications throughout to support
+ that change.
+ (struct el): New.
+ (struct local_info): New.
+ (struct redirection_data): Add new INCOMING_EDGES and DO_NOT_DUPLICATE
+ fields.
+ (redirection_data): Now a hashtable.
+ (redirection_data_hash, redirection_data_eq): New.
+ (lookup_redirection_data, create_duplicates): New.
+ (create_edge_and_update_destionation_phis): New.
+ (fixup_template_block, redirect_edges): New.
+ (thread_block): Use hash table traversals instead of loops over
+ varray entries or incoming edge vectors.
+
+2004-11-19 Kazu Hirata <kazu@cs.umass.edu>
+
+ * basic-block.h (edge_def): Add dest_idx.
+ * cfg.c (unchecked_make_edge): Initialize dest_idx.
+ (remove_edge): Simplify the disconnection of an edge from its
+ destination.
+ (redirect_edge_succ): Likewise.
+ * cfghooks.c (verify_flow_info): Check the consistency of
+ dest_idx for each edge.
+
+2004-11-19 Aldy Hernandez <aldyh@redhat.com>
+
+ * simplify-rtx.c (simplify_ternary_operation): Use
+ gen_int_mode.
+
+2004-11-19 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-cfg.c (reinstall_phi_args): New.
+ (tree_split_edge): Use it after redirecting an edge. Don't
+ modify PHI_ARG_EDGE.
+
+2004-11-19 Andreas Tobler <a.tobler@schweiz.ch>
+
+ * tree-vectorizer.c (slpeel_verify_cfg_after_peeling): Define only
+ if checking is enabled.
+
+2004-11-19 Joseph S. Myers <joseph@codesourcery.com>
+
+ * c-decl.c (push_scope): Remove "\n" from end of diagnostic for
+ too many nested scopes.
+
+2004-11-19 Dorit Naishlos <dorit@il.ibm.com>
+
+ PR tree-opt/18181
+ * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Peeling scheme
+ changed to suppoer uses-after-loop and to void creating flow paths
+ that shouldn't exist.
+ (slpeel_update_phi_nodes_for_guard): Takes additional two arguments.
+ Modified to fit the new peeling scheme. Avoid quadratic behavior.
+ (slpeel_add_loop_guard): Takes additional argument.
+ (slpeel_verify_cfg_after_peeling): New function.
+ (vect_update_ivs_after_vectorizer): Takes additional argument. Updated
+ documentation. Use 'exit-bb' instead of creating 'new-bb'.
+ (rename_variables_in_bb): Don't update phis for BBs out of loop, to fit
+ the new peeling scheme.
+ (copy_phi_nodes): Function removed. Its functionality moved to
+ update_phis_for_duplicate_loop.
+ (slpeel_update_phis_for_duplicate_loop): Functionality of copy_phi_nodes
+ moved here. Added documentation. Modified to fit the new peeling scheme.
+ (slpeel_make_loop_iterate_ntimes): Setting loop->single_exit not not
+ needed - done in slpeel_tree_peel_loop_to_edge.
+ (slpeel_tree_duplicate_loop_to_edge_cfg): Debug printouts compacted.
+ (vect_do_peeling_for_loop_bound): Add documentation. Call
+ slpeel_verify_cfg_after_peeling. Call vect_update_ivs_after_vectorizer
+ with additional argument.
+ (vect_do_peeling_for_alignment): Call slpeel_verify_cfg_after_peeling.
+
+ (vect_finish_stmt_generation): Avoid 80 column oveflow.
+
+2004-11-19 Dorit Naishlos <dorit@il.ibm.com>
+
+ * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Last two
+ arguments removed.
+ (slpeel_tree_peel_loop_to_edge): Call slpeel_make_loop_iterate_ntimes
+ without last two arguments. Update single_exit of loops.
+ (vect_update_niters_after_peeling): Removed. Its functionality was
+ moved to vect_do_peeling_for_alignment.
+ (vect_do_peeling_for_loop_bound): New name for function previously
+ called vect_transform_for_unknown_loop_bound.
+ (vect_transform_loop_bound): Call slpeel_make_loop_iterate_ntimes
+ instead of code that duplicates the same functionality.
+ (vect_do_peeling_for_alignment): Functionality of
+ vect_update_niters_after_peeling moved here.
+ (vect_transform_loop): Unify call to vect_do_peeling_for_loop_bound -
+ previously named vect_transform_for_unknown_loop_bound - for both known
+ and unknown loop bound cases.
+
2004-11-19 Dorit Naishlos <dorit@il.ibm.com>
* tree-vectorizer.c (slpeel_can_duplicate_loop_p): New name for function
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