mn10300.h (OUTPUT_ADDR_CONST_EXTRA): Handle UNSPEC_GOTSYM_OFFs.

gcc/
	* config/mn10300/mn10300.h (OUTPUT_ADDR_CONST_EXTRA): Handle
	UNSPEC_GOTSYM_OFFs.
	* config/mn10300/mn10300.c (legitimate_pic_operand_p): Return true
	for UNSPEC_GOTSYM_OFFs.
	* config/mn10300/mn10300.md (UNSPEC_GOTSYM_OFF): New unspec.
	(add_GOT_to_pic_reg): Use it.
	* config/mn10300/constraints.md (S): Allow UNSPEC_GOTSYM_OFF.

From-SVN: r141148

gcc/ChangeLog

+2008-10-15  Richard Sandiford  <rdsandiford@googlemail.com>
+
+	* config/mn10300/mn10300.h (OUTPUT_ADDR_CONST_EXTRA): Handle
+	UNSPEC_GOTSYM_OFFs.
+	* config/mn10300/mn10300.c (legitimate_pic_operand_p): Return true
+	for UNSPEC_GOTSYM_OFFs.
+	* config/mn10300/mn10300.md (UNSPEC_GOTSYM_OFF): New unspec.
+	(add_GOT_to_pic_reg): Use it.
+	* config/mn10300/constraints.md (S): Allow UNSPEC_GOTSYM_OFF.
+
 2008-10-15  Jan Sjodin  <jan.sjodin@amd.com>
     	    Harsha Jagasia  <harsha.jagasia@amd.com>
 

gcc/config/mn10300/constraints.md

@@ -68,7 +68,8 @@
   (if_then_else (match_test "flag_pic")
 	(and (match_test "GET_CODE (op) == UNSPEC")
 	     (ior (match_test "XINT (op, 1) == UNSPEC_PLT")
-		  (match_test "XINT (op, 1) == UNSPEC_PIC")))
+		  (match_test "XINT (op, 1) == UNSPEC_PIC")
+		  (match_test "XINT (op, 1) == UNSPEC_GOTSYM_OFF")))
 	(match_test "GET_CODE (op) == SYMBOL_REF")))
 
 ;; Integer constraints

gcc/config/mn10300/mn10300.c

@@ -1869,7 +1869,8 @@ legitimate_pic_operand_p (rtx x)
       && (XINT (x, 1) == UNSPEC_PIC
 	  || XINT (x, 1) == UNSPEC_GOT
 	  || XINT (x, 1) == UNSPEC_GOTOFF
-	  || XINT (x, 1) == UNSPEC_PLT))
+	  || XINT (x, 1) == UNSPEC_PLT
+	  || XINT (x, 1) == UNSPEC_GOTSYM_OFF))
       return 1;
 
   fmt = GET_RTX_FORMAT (GET_CODE (x));

gcc/config/mn10300/mn10300.h

@@ -738,7 +738,7 @@ while (0)
    constants.  Used for PIC-specific UNSPECs.  */
 #define OUTPUT_ADDR_CONST_EXTRA(STREAM, X, FAIL) \
   do									\
-    if (GET_CODE (X) == UNSPEC && XVECLEN ((X), 0) == 1)	\
+    if (GET_CODE (X) == UNSPEC)						\
       {									\
 	switch (XINT ((X), 1))						\
 	  {								\
@@ -762,6 +762,12 @@ while (0)
 	    output_addr_const ((STREAM), XVECEXP ((X), 0, 0));		\
 	    fputs ("@PLT", (STREAM));					\
 	    break;							\
+	  case UNSPEC_GOTSYM_OFF:					\
+	    assemble_name (STREAM, GOT_SYMBOL_NAME);			\
+	    fputs ("-(", STREAM);					\
+	    output_addr_const (STREAM, XVECEXP (X, 0, 0));		\
+	    fputs ("-.)", STREAM);					\
+	    break;							\
 	  default:							\
 	    goto FAIL;							\
 	  }								\

gcc/config/mn10300/mn10300.md

@@ -45,6 +45,7 @@
   (UNSPEC_GOT		2)
   (UNSPEC_GOTOFF	3)
   (UNSPEC_PLT		4)
+  (UNSPEC_GOTSYM_OFF	5)
 ])
 
 (include "predicates.md")
@@ -2619,18 +2620,9 @@
   [(set (reg:SI PIC_REG)
 	(plus:SI
 	 (reg:SI PIC_REG)
-	 (const
-	  (unspec [(minus:SI
-		    (match_dup 1)
-		    (const (minus:SI
-			    (const (match_operand:SI 0 "" ""))
-			    (pc))))
-		  ] UNSPEC_PIC))))]
-  ""
-  "
-{
-  operands[1] = gen_rtx_SYMBOL_REF (VOIDmode, GOT_SYMBOL_NAME);
-}")
+	 (const:SI
+	  (unspec:SI [(match_operand:SI 0 "" "")] UNSPEC_GOTSYM_OFF))))]
+  "")
 
 (define_expand "symGOT2reg"
   [(match_operand:SI 0 "" "")