+2010-05-18 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR lto/44184
+ * lto-streamer-out.c (output_gimple_stmt): Output number of labels
+ in a GIMPLE_ASM.
+ * lto-streamer-in.c (input_gimple_stmt): Read number of labels
+ in a GIMPLE_ASM.
+
+2010-05-18 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/41371
+ * var-tracking.c (find_loc_in_1pdv): Add a few checks from
+ rtx_equal_p inline.
+
+2010-05-18 Steven Bosscher <steven@gcc.gnu.org>
+
+ * config.gcc (powerpc-*-darwin*, powerpc64-*-darwin*): Add
+ lto-macho as lto_binary_reader.
+
+ * darwin.c (darwin_asm_named_section): Do not add assembler comment
+ after .section directive; just print it before the directive instead.
+
+2010-05-17 Jan Hubicka <jh@suse.cz>
+
+ * cgraph.c (cgraph_create_virtual_clone): Only check
+ versionable_function_p when not in wpa and checking is enabled.
+ * cgraphunit.c (cgraph_materialize_all_clones): Stabilize after
+ there are no more functions to materialize.
+
+2010-05-17 Jan Hubicka <jh@suse.cz>
+
+ * cgraph.h (struct ipa_replace_map): Add parm_num parameter.
+ * lto-cgraph.c (output_cgraph_opt_summary, input_cgraph_opt_summary):
+ New functions.
+ (output_cgraph): Call output_cgraph_opt_summary.
+ (input_cgrpah): Call input_cgraph_opt_summary.
+ (output_cgraph_opt_summary_p, output_node_opt_summary,
+ input_node_opt_summary, input_cgraph_opt_section): New functions.
+ * lto-section-in.c (lto_section_name): Add cgraphopt.
+ * tree-inline.c (tree_function_versioning): Handle parm_num.
+ * lto-streamer.c (lto_get_section_name): Handle cgraphopt.
+ * lto-streamer.h (lto_section_type): Add LTO_section_cgraph_opt_sum.
+
+2010-05-17 Changpeng Fang <changpeng.fang@amd.com>
+
+ * doc/invoke.texi: Update documentation for min-insn-to-prefetch-ratio.
+ * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Also apply
+ the insn to prefetch ratio heuristic to loops with known trip count.
+
+2010-05-17 Changpeng Fang <changpeng.fang@amd.com>
+
+ * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO): New.
+ (schedule_prefetches): Do not generate a prefetch if the unroll factor
+ is far from what is required by the prefetch.
+
+2010-05-17 Jan Hubicka <jh@suse.cz>
+
+ * ipa-cp.c (ipcp_update_callgraph): Use ipa_is_param_used.
+ (ipcp_estimate_growth): Likewise.
+ (ipcp_const_param_count): Likewise.
+ (ipcp_insert_stage): Likewise.
+ * ipa-prop.c (visit_load_for_mod_analysis): New function.
+ (visit_store_addr_for_mod_analysis): Set used flag.
+ (ipa_detect_param_modifications): Set used flag for SSE params;
+ update use of walk_stmt_load_store_addr_ops.
+ (ipa_print_node_params): Print used flag.
+ (ipa_write_node_info): Stream used flag.
+ (ipa_read_node_info): Likewise.
+ * ipa-prop.h (struct ipa_param_descriptor): Add used field.
+ (ipa_is_param_used): New function.
+ (lto_ipa_fixup_call_notes): Remove unused declaration.
+
+2010-05-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ PR target/44074
+ * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): New test.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+ * config/i386/i386.c (print_operand) <case ;>: Also print ; if
+ !HAVE_AS_IX86_REP_LOCK_PREFIX.
+ Don't emit whitespace.
+ * config/i386/i386.md (*rep_movdi_rex64): Use {%;} after rep.
+ (*rep_movsi): Likewise.
+ (*rep_movsi_rex64): Likewise.
+ (*rep_movqi): Likewise.
+ (*rep_movqi_rex64): Likewise.
+ (*rep_stosdi_rex64): Likewise.
+ (*rep_stossi): Likewise.
+ (*rep_stossi_rex64): Likewise.
+ (*rep_stosqi): Likewise.
+ (*rep_stosqi_rex64): Likewise.
+ (*cmpstrnqi_nz_1): Use {%;} after repz.
+ (*cmpstrnqi_nz_rex_1): Likewise.
+ (*cmpstrnqi_1): Likewise.
+ (*cmpstrnqi_rex_1): Likewise.
+ (*strlenqi_1): Use {%;} after repnz.
+ (*strlenqi_rex_1): Likewise.
+ * config/i386/sync.md (memory_barrier_nosse): Replace {%;| } by {%;} .
+ (*sync_compare_and_swap<mode>): Likewise.
+ (sync_double_compare_and_swap<mode>): Likewise.
+ (*sync_double_compare_and_swapdi_pic): Likewise.
+ (sync_old_add<mode>): Likewise.
+ (sync_add<mode>): Likewise.
+ (sync_sub<mode>): Likewise.
+ (sync_<code><mode>): Likewise.
+
2010-05-17 Martin Jambor <mjambor@suse.cz>
* cgraph.h (cgraph_indirect_call_info): New fields anc_offset,
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