Declare size only if BLOCK_REG_PADDING is defined.

2011-08-01  H.J. Lu  <hongjiu.lu@intel.com>

	* calls.c (emit_library_call_value_1): Declare size only if
	BLOCK_REG_PADDING is defined.

From-SVN: r177036

gcc/ChangeLog

+2011-08-01  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* calls.c (emit_library_call_value_1): Declare size only if
+	BLOCK_REG_PADDING is defined.
+
 2011-08-01  Kirill Yukhin  <kirill.yukhin@intel.com>
 
 	PR target/49547

gcc/calls.c

@@ -3829,7 +3829,9 @@ emit_library_call_value_1 (int retval, rtx orgfun, rtx value,
       rtx val = argvec[argnum].value;
       rtx reg = argvec[argnum].reg;
       int partial = argvec[argnum].partial;
+#ifdef BLOCK_REG_PADDING
       int size = 0;
+#endif
       
       /* Handle calls that pass values in multiple non-contiguous
 	 locations.  The PA64 has examples of this for library calls.  */