+2010-03-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/43557
+ * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
+ BLKmode.
+
+2010-03-31 Jie Zhang <jie@codesourcery.com>
+
+ PR 43562
+ * reload.h (caller_save_initialized_p): Declare.
+ * toplev.c (backend_init_target): Don't call
+ init_caller_save but set caller_save_initialized_p
+ to false.
+ * caller-save.c (caller_save_initialized_p): Define.
+ (init_caller_save): Check caller_save_initialized_p.
+ * ira.c (ira): Call init_caller_save if flag_caller_saves.
+
+2010-03-30 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/42977
+ * cselib.c (n_useless_values): Document handling of debug locs.
+ (n_useless_debug_values, n_debug_values): New variables.
+ (new_elt_loc_list): Don't add to debug values, keep count.
+ (promote_debug_loc): New.
+ (cselib_reset_table): Zero new variables.
+ (entry_and_rtx_equal_p): Promote debug locs.
+ (discard_useless_locs): Increment n_useless_debug_values for
+ debug values.
+ (remove_useless_values): Adjust n_useless_values and n_debug_values
+ with n_useless_debug_values.
+ (add_mem_for_addr): Promote debug locs.
+ (cselib_lookup_mem): Likewise.
+ (cselib_lookup_addr): Renamed to...
+ (cselib_lookup_addr_1): ... this. Promote debug locs.
+ Don't call...
+ (cselib_log_lookup): ... this. Turn into...
+ (cselib_lookup_addr): ... new wrapper.
+ (cselib_lookup_from_insn): New.
+ (cselib_invalidate_regno): Increment n_useless_debug_values for
+ debug values.
+ (cselib_invalidate_mem): Likewise.
+ (cselib_process_insn): Take n_deleted and n_debug_values into
+ account to guard remove_useless_value call.
+ (cselib_finish): Zero n_useless_debug_values.
+ * cselib.h (cselib_lookup_from_insn): Declare.
+ * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
+ (sched_analyze_2): Likewise.
+
2010-03-30 Jakub Jelinek <jakub@redhat.com>
+ * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
+ functions.
+ (adjust_mems): Replace narrowing SUBREG of expression containing
+ just PLUS, MINUS, MULT and ASHIFT of registers and constants
+ with operations in the narrower mode.
+
PR debug/43593
* var-tracking.c (dataflow_set_clear_at_call): Invalidate
just regs_invalidated_by_call instead all call_used_reg_set
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