+2010-01-14 Alexander Monakov <amonakov@ispras.ru>
+
+ * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
+ (rs6000_variable_issue_1): this. Use...
+ (rs6000_variable_issue): here. Reimplement. Print debug info.
+
+2010-01-14 Alexander Monakov <amonakov@ispras.ru>
+
+ * sel-sched-ir.c (sel_restore_other_notes): Rename to sel_restore_notes.
+ Update all callers. Call reemit_notes for all insns.
+
+2010-01-14 Andrey Belevantsev <abel@ispras.ru>
+
+ PR rtl-optimization/42246
+ * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
+ loops.
+
+2010-01-14 Andrey Belevantsev <abel@ispras.ru>
+
+ * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
+ all successors is the same as number of successors in current region.
+
+2010-01-14 Alexander Monakov <amonakov@ispras.ru>
+
+ * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
+ to rename is not separable. Otherwise check that its LHS is not NULL.
+
+2010-01-14 Alexander Monakov <amonakov@ispras.ru>
+
+ * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
+
+2010-01-14 Alexander Monakov <amonakov@ispras.ru>
+
+ * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
+ available registers when failed to discover LHS register class.
+ Fix indentation. Update comment.
+
+2010-01-14 Andrey Belevantsev <abel@ispras.ru>
+ Alexander Monakov <amonakov@ispras.ru>
+
+ PR rtl-optimization/42389
+ * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
+ to can_issue_more.
+ (advance_state_on_fence): Likewise.
+ (sel_target_adjust_priority): Print debug output only when
+ sched_verbose >= 4, not 2.
+ (get_expr_cost): Do not issue all unique insns on the next cycle.
+ (fill_insns): Initialize can_issue_more from the value saved
+ with the fence.
+ * sel-sched-ir.c (flist_add): New parameter issue_more.
+ Init FENCE_ISSUE_MORE with it.
+ (merge_fences): Likewise.
+ (init_fences): Update call to flist_add.
+ (add_to_fences, add_clean_fence_to_fences)
+ (add_dirty_fence_to_fences): Likewise.
+ (move_fence_to_fences): Update call to merge_fences.
+ (invoke_reorder_hooks): Do not reset can_issue_more on insns from
+ sched groups.
+ * sel-sched-ir.h (struct _fence): New field issue_more.
+ (FENCE_ISSUE_MORE): New accessor macro.
+
+2010-01-14 Andrey Belevantsev <abel@ispras.ru>
+
+ PR rtl-optimization/42388
+ * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
+ that have no predecessors nor successors. Do not call move_bb_info
+ for empty blocks outside of current region.
+
+2010-01-14 Alexander Monakov <amonakov@ispras.ru>
+
+ PR rtl-optimization/42294
+ * sel-sched-ir.h (struct _sel_insn_data): Update comment.
+ * sel-sched.c (move_exprs_to_boundary): Transitively add all
+ originators' originators.
+
+2010-01-14 Alexander Monakov <amonakov@ispras.ru>
+
+ PR rtl-optimization/39453
+ PR rtl-optimization/42246
+ * sel-sched-ir.c (considered_for_pipelining_p): Do not test
+ for pipelining_p.
+ (sel_add_loop_preheaders): Add preheader to last_added_blocks.
+
+2010-01-14 Andrey Belevantsev <abel@ispras.ru>
+ Alexander Monakov <amonakov@ispras.ru>
+
+ PR middle-end/42245
+ * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
+ (maybe_tidy_empty_bb): ... here. Make static. Add new
+ argument. Update all callers.
+ (tidy_control_flow): ... and here. Recompute topological order
+ of basic blocks in region if necessary.
+ (sel_redirect_edge_and_branch): Change return type. Return true
+ if topological order might have been invalidated.
+ (purge_empty_blocks): Export and move from...
+ * sel-sched.c (purge_empty_blocks): ... here.
+ * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
+ (maybe_tidy_empty_bb): Delete prototype.
+ (purge_empty_blocks): Declare.
+
+2010-01-14 Andrey Belevantsev <abel@ispras.ru>
+
+ PR rtl-optimization/42249
+ * sel-sched.c (try_replace_dest_reg): When chosen register
+ and original register is the same, do not bail out early, but
+ still check all original insns for validity of replacing destination
+ register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
+ in this case.
+
+2010-01-14 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/42721
+ Port from no-undefined-overflow branch
+ 2009-03-09 Richard Guenther <rguenther@suse.de>
+
+ * fold-const.c (add_double_with_sign): Fix unsigned overflow
+ detection.
+
+2010-01-14 Richard Guenther <rguenther@suse.de>
+
+ PR lto/42665
+ * gimple.c (iterative_hash_gimple_type): Avoid hashing
+ error_mark_node.
+
+2010-01-14 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/42709
+ * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
+ as scalar type in creation of constant vector operand.
+
+2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ PR testsuite/42414
+ * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
+ (check-parallel-%): Match `testsuite' directory component only
+ at the end.
+
2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
PR translation/39521