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+2011-01-22  Jan Hubicka  <jh@suse.cz>
+
+	PR tree-optimization/43884
+	PR lto/44334
+	* predict.c (maybe_hot_frequency_p): Use entry block frequency as an base.
+	* doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
+
+2011-01-22  Anatoly Sokolov  <aesok@post.ru>
+
+	* config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
+	* config/s390/s390.c (s390_register_move_cost,
+	s390_memory_move_cost): New.
+	(TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
+
+2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+
+	PR middle-end/47401
+	* except.c (sjlj_assign_call_site_values): Move setting the
+	crtl->uses_eh_lsda flag to ...
+	(sjlj_mark_call_sites): ... here.
+	(sjlj_emit_function_enter): Support NULL dispatch label.
+	(sjlj_build_landing_pads): In a function with no landing pads
+	that still has must-not-throw regions, generate code to register
+	a personality function with empty LSDA.
+
+2011-01-21  Richard Henderson  <rth@redhat.com>
+
+	* config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
+
+	* config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
+
+	* compare-elim.c: New file.
+	* Makefile.in (OBJS-common): Add it.
+	(compare-elim.o): New.
+	* common.opt (fcompare-elim): New.
+	* opts.c (default_options_table): Add OPT_fcompare_elim.
+	* tree-pass.h (pass_compare_elim_after_reload): New.
+	* passes.c (init_optimization_passes): Add it.
+	* recog.h: Protect against re-inclusion.
+	* target.def (TARGET_FLAGS_REGNUM): New POD hook.
+	* doc/invoke.texi (-fcompare-elim): Document it.
+	* doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
+	* doc/tm.texi: Rebuild.
+
+2011-01-22  Nick Clifton  <nickc@redhat.com>
+
+	* config/rx/rx.md (cstoresf4): Pass comparison operator to
+	rx_split_fp_compare.
+
+2011-01-22  Nick Clifton  <nickc@redhat.com>
+
+	* config/rx/rx.md (UNSPEC_CONST): New.
+	(deallocate_and_return): Wrap the amount popped off the stack in
+	an UNSPEC_CONST in order to stop it being rejected by
+	-mmax-constant-size.
+	(pop_and_return): Add a "(return)" rtx.
+	(call): Drop the immediate operand.
+	(call_internal): Likewise.
+	(call_value): Likewise.
+	(call_value_internal): Likewise.
+	(sibcall_internal): Likewise.
+	(sibcall_value_internal): Likewise.
+	(sibcall): Likewise.  Generate an explicit call using
+	sibcall_internal.
+	(sibcall_value): Likewise.
+	(mov<>): FAIL if a constant operand is not legitimate.
+	(addsi3_unpsec): New pattern.
+
+	* config/rx/rx.c (rx_print_operand_address): Handle UNPSEC
+	CONSTs.
+	(ok_for_max_constant): New function.
+	(gen_safe_add): New function.
+	(rx_expand_prologue): Use gen_safe_add.
+	(rx_expand_epilogue): Likewise.
+	(rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
+	UNSPEC CONSTs.
+
 2011-01-21  Jeff Law  <law@redhat.com>
 
 	PR tree-optimization/47053