+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
+ registers.
+
+2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR middle-end/43430
+ * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
+ pointer comparisons with types_compatible_p.
+ * tree-vect-stmts.c (vectorizable_call): Same.
+ (vectorizable_condition): Same.
+
+2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
+ stack check if the mask would be zero.
+
+2010-03-30 Seongbae Park <seongbae.park@gmail.com>
+ Jack Howarth <howarth@bromo.med.uc.edu>
+
+ * tree-profile.c (tree_init_ic_make_global_vars): Make static
+ variables TLS.
+
+2010-03-30 Joseph Myers <joseph@codesourcery.com>
+
+ PR other/25232
+ * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
+ and __unordtf2.
+ * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
+ Include ___unordxf2 and ___unordtf2.
+ * config/i386/libgcc-glibc.ver: Do not define inheritance from
+ GCC_4.4.0 here.
+
+2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
+
+ * config/lm32/t-lm32: New file.
+ * config.gcc: Use the above file when targetting lm32.
+
+2010-03-28 Duncan Sands <baldrick@free.fr>
+
+ * Makefile.in (PLUGIN_HEADERS): Add except.h.
+
+2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR middle-end/43431
+ * tree-vect-loop.c (vect_estimate_min_profitable_iters):
+ Improve vectorization cost model diagnostic.
+
+2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR middle-end/43436
+ * tree-vect-data-refs.c (vect_analyze_data_refs): When
+ compute_data_dependences_for_loop returns false, early exit
+ and output an extra diagnostic for the failed data reference
+ analysis.
+
+2010-03-29 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/43560
+ * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p
+ parameter.
+ (can_sm_ref_p): Treat stores to readonly locations as
+ trapping.
+
+2010-03-29 Jie Zhang <jie@codesourcery.com>
+
+ PR 43564
+ * toplev.c (process_options): Set optimization_default_node
+ and optimization_current_node.
+ * opts.c (decode_options): Don't set optimization_default_node
+ and optimization_current_node.
+
+2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
+
+ * config/rtems.h: Abandon -qrtems_debug.
+
2010-03-28 Jan Hubicka <jh@suse.cz>
PR tree-optimization/43505