sh.c (split_branches): Check the result of next_active_insn.

	* config/sh/sh.c (split_branches): Check the result of
	next_active_insn.
	(sh_output_mi_thunk): Call init_flow if basic_block_info is null.
	Call rtl_register_cfg_hooks.

From-SVN: r86181

gcc/ChangeLog

+2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+	* config/sh/sh.c (split_branches): Check the result of
+	next_active_insn.
+	(sh_output_mi_thunk): Call init_flow if basic_block_info is null.
+	Call rtl_register_cfg_hooks.
+
 2004-08-18  Richard Henderson  <rth@redhat.com>
 
 	* rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.

gcc/config/sh/sh.c

@@ -4598,7 +4598,8 @@ split_branches (rtx first)
 	    next = next_active_insn (insn);
 
 	    if ((GET_CODE (next) == JUMP_INSN
-		 || GET_CODE (next = next_active_insn (next)) == JUMP_INSN)
+		 || ((next = next_active_insn (next))
+		     && GET_CODE (next) == JUMP_INSN))
 		&& GET_CODE (PATTERN (next)) == SET
 		&& recog_memoized (next) == CODE_FOR_jump_compact
 		&& ((INSN_ADDRESSES
@@ -9726,6 +9727,9 @@ sh_output_mi_thunk (FILE *file, tree thunk_fndecl ATTRIBUTE_UNUSED,
 
   if (optimize > 0 && flag_schedule_insns_after_reload)
     {
+      if (! basic_block_info)
+	init_flow ();
+      rtl_register_cfg_hooks ();
       find_basic_blocks (insns, max_reg_num (), dump_file);
       life_analysis (dump_file, PROP_FINAL);