Fix HPPA -fprofile-arcs abort on switch statements.

	* profile.c (branch_prob): Add code to recognize HPPA tablejump entry
	branch.

From-SVN: r18919

gcc/ChangeLog

 Tue Mar 31 16:57:33 1998  Jim Wilson  <wilson@cygnus.com>
 
+	* profile.c (branch_prob): Add code to recognize HPPA tablejump entry
+	branch.
+
 	* toplev.c (rest_of__compilation): Call init_recog_no_volatile at end.
 
 Mon Mar 30 13:11:05 1998  Stan Cox  <scox@cygnus.com>

gcc/profile.c

@@ -744,9 +744,19 @@ branch_prob (f, dump_file)
 	      tablejump = pattern;
 	    else if (GET_CODE (pattern) == RETURN)
 	      dest = num_blocks - 1;
+	    else if (GET_CODE (pattern) != SET)
+	      abort ();
 	    else if ((tem = SET_SRC (pattern))
 		     && GET_CODE (tem) == LABEL_REF)
 	      dest = label_to_bb[CODE_LABEL_NUMBER (XEXP (tem, 0))];
+	    /* Recognize HPPA table jump entry.  This code is similar to
+	       the code above in the PARALLEL case.  */
+	    else if (GET_CODE (tem) == PLUS
+		     && GET_CODE (XEXP (tem, 0)) == MEM
+		     && GET_CODE (XEXP (XEXP (tem, 0), 0)) == PLUS
+		     && GET_CODE (XEXP (XEXP (XEXP (tem, 0), 0), 0)) == PC
+		     && GET_CODE (XEXP (tem, 1)) == LABEL_REF)
+	      dest = label_to_bb[CODE_LABEL_NUMBER (XEXP (XEXP (tem, 1), 0))];
 	    else
 	      {
 		rtx label_ref;