[wide-int] Restore SPARC build

[Richard Sandiford]

...since I'd forgotten to update it when doing the wi:: stuff.

Installed as obvious.

Richard


Index: gcc/config/sparc/sparc.c
===================================================================
--- gcc/config/sparc/sparc.c    2013-11-03 10:04:56.004019113 +0000
+++ gcc/config/sparc/sparc.c    2013-11-03 10:21:25.557126367 +0000
@@ -10621,26 +10621,26 @@ sparc_fold_builtin (tree fndecl, int n_a
          && TREE_CODE (arg2) == INTEGER_CST)
        {
          bool overflow, overall_overflow = false;
-         wide_int result = wide_int::from_tree (arg2);
+         wide_int result = arg2;
          wide_int tmp;
          unsigned i;
 
          for (i = 0; i < VECTOR_CST_NELTS (arg0); ++i)
            {
-             wide_int e0 = wide_int::from_tree (VECTOR_CST_ELT (arg0, i));
-             wide_int e1 = wide_int::from_tree (VECTOR_CST_ELT (arg1, i));
+             tree e0 = VECTOR_CST_ELT (arg0, i);
+             tree e1 = VECTOR_CST_ELT (arg1, i);
 
-             tmp = e1.neg (&overflow);
+             tmp = wi::neg (e1, &overflow);
              overall_overflow |= overall_overflow;
-             tmp = e0.add (tmp, SIGNED, &overflow);
+             tmp = wi::add (e0, tmp, SIGNED, &overflow);
              overall_overflow |= overall_overflow;
-             if (tmp.neg_p ())
+             if (wi::neg_p (tmp))
                {
-                 tmp = tmp.neg (&overflow);
+                 tmp = wi::neg (tmp, &overflow);
                  overall_overflow |= overall_overflow;
                }
 
-             result = result.add (tmp, SIGNED, &overflow);
+             result = wi::add (result, tmp, SIGNED, &overflow);
              overall_overflow |= overall_overflow;
            }