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+2010-12-08  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/46844
+	* regrename.c (check_new_reg_p): Add ATTRIBUTE_UNUSED to reg
+	parameter.
+
+2010-12-08  Richard Earnshaw  <rearnsha@arm.com>
+
+	PR target/46631
+	* arm.c (thumb2_reorg): Also try to reduce <commutative_op> Rd, Rn, Rd
+	into a 16-bit instruction.
+
+2010-12-08  Michael Meissner  <meissner@linux.vnet.ibm.com>
+
+	PR middle-end/42694
+	* builtins.c (expand_builtin_pow_root): Don't optimize pow(x,y)
+	where y is 0.25, 1./6., or 0.75 if the target does not have a sqrt
+	instruction, but do optimize if y is 0.5 or 1./3. since that
+	changes an expensive call into a cheaper one.
+
+2010-12-08  Richard Guenther  <rguenther@suse.de>
+
+	* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use a shift
+	instead of a division to divide by BITS_PER_UNIT.
+
+2010-12-08  Richard Guenther  <rguenther@suse.de>
+
+	* gimplify.c (gimple_tree_eq): Assert hashes are equal only
+	when checking is enabled.
+
+2010-12-07  Andrey Belevantsev  <abel@ispras.ru>
+
+	PR target/43603
+	* haifa-sched.c (sched_create_recovery_edges): Update
+	dominator info.
+	* sel-sched-ir.c (maybe_tidy_empty_bb): Update dominator info
+	after deleting an empty block.
+	(tidy_control_flow): Also verify dominators.
+	(sel_remove_bb): Update dominator info after removing a block.
+	(sel_redirect_edge_and_branch_force): Assert that no unreachable
+	blocks will be created. Update dominator info.
+	(sel_redirect_edge_and_branch): Update dominator info when
+	basic blocks do not become unreachable.
+	(sel_remove_loop_preheader): Update dominator info. 
+
+2010-12-07  Richard Guenther  <rguenther@suse.de>
+
+	* tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
+	Reset alignment information.
+	(bump_vector_ptr): Likewise.
+
 2010-12-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 
 	PR middle-end/46671