sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.

* config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
* config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
LABEL_REFs with a PIC-safe unspec.

From-SVN: r36495

gcc/ChangeLog

+2000-09-18  Alexandre Oliva  <aoliva@redhat.com>
+
+	* config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
+	* config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
+	LABEL_REFs with a PIC-safe unspec.
+
 2000-09-18  Will Cohen  <wcohen@redhat.com>
 
 	* extend.texi (Zero Length): State that static initializers for

gcc/config/sh/sh.c

@@ -5277,8 +5277,8 @@ sh_insn_length_adjustment (insn)
   return 0;
 }
 
-/* Return TRUE if X references a SYMBOL_REF whose symbol doesn't have
-   @GOT or @GOTOFF.  */
+/* Return TRUE if X references a SYMBOL_REF or LABEL_REF whose symbol
+   isn't protected by a PIC unspec.  */
 int
 nonpic_symbol_mentioned_p (x)
      rtx x;
@@ -5286,7 +5286,7 @@ nonpic_symbol_mentioned_p (x)
   register const char *fmt;
   register int i;
 
-  if (GET_CODE (x) == SYMBOL_REF)
+  if (GET_CODE (x) == SYMBOL_REF || GET_CODE (x) == LABEL_REF)
     return 1;
 
   if (GET_CODE (x) == UNSPEC

gcc/config/sh/sh.md

@@ -3482,8 +3482,9 @@ else
   [(set (match_operand:SI 0 "" "")
 	(const (minus:SI
 		(unspec [(match_operand:SI 1 "" "")] 6)
-		(const (plus:SI (label_ref (match_operand:SI 2 "" ""))
-				(const_int 2))))))]
+		(const (plus:SI
+			(unspec [(label_ref (match_operand:SI 2 "" ""))] 6)
+			(const_int 2))))))]
   "" "")
 
 (define_expand "symGOT2reg"
@@ -3514,8 +3515,10 @@ else
 	(const (minus:SI
 		(plus:SI (pc)
 			 (unspec [(match_operand:SI 1 "" "")] 9))
-		(const (plus:SI (label_ref (match_operand:SI 2 "" ""))
-				(const_int 2))))))
+		(const
+		 (plus:SI
+		  (unspec [(label_ref (match_operand:SI 2 "" ""))] 6)
+		  (const_int 2))))))
    (use (match_dup 3))]
   ;; Even though the PIC register is not really used by the call
   ;; sequence in which this is expanded, the PLT code assumes the PIC