re PR target/26347 (hidden weak extern functions fail regardless of existence on alpha/linux)

        PR target/26347
        PR target/27082
        * config/alpha/predicates.md (small_symbolic_operand): Deny weak
        symbols.
        (global_symbolic_operand): Allow weak symbols, even if local_p.

From-SVN: r114861

gcc/ChangeLog

+2006-06-21  Richard Henderson  <rth@redhat.com>
+
+	PR target/26347
+	PR target/27082
+	* config/alpha/predicates.md (small_symbolic_operand): Deny weak
+	symbols.
+	(global_symbolic_operand): Allow weak symbols, even if local_p.
+
 2006-06-21  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.

gcc/config/alpha/predicates.md

@@ -366,7 +366,8 @@
 
   return (SYMBOL_REF_LOCAL_P (op)
 	  && SYMBOL_REF_SMALL_P (op)
-	  && SYMBOL_REF_TLS_MODEL (op) == 0);
+	  && !SYMBOL_REF_WEAK (op)
+	  && !SYMBOL_REF_TLS_MODEL (op));
 })
 
 ;; Return true if OP is a SYMBOL_REF or CONST referencing a variable
@@ -382,7 +383,8 @@
   if (GET_CODE (op) != SYMBOL_REF)
     return 0;
 
-  return !SYMBOL_REF_LOCAL_P (op) && !SYMBOL_REF_TLS_MODEL (op);
+  return ((!SYMBOL_REF_LOCAL_P (op) || SYMBOL_REF_WEAK (op))
+	  && !SYMBOL_REF_TLS_MODEL (op));
 })
 
 ;; Returns 1 if OP is a symbolic operand, i.e. a symbol_ref or a label_ref,