Revert accidental commit.

[pf3gnuchains/gcc-fork.git] / gcc / fold-const.c

diff --git a/gcc/fold-const.c b/gcc/fold-const.c
index b6a9814..7306863 100644 (file)
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -2097,7 +2097,16 @@ pedantic_non_lvalue_loc (location_t loc, tree x)
 {
   if (pedantic_lvalues)
     return non_lvalue_loc (loc, x);
-  protected_set_expr_location (x, loc);
+
+  if (CAN_HAVE_LOCATION_P (x)
+      && EXPR_LOCATION (x) != loc
+      && !(TREE_CODE (x) == SAVE_EXPR
+          || TREE_CODE (x) == TARGET_EXPR
+          || TREE_CODE (x) == BIND_EXPR))
+    {
+      x = copy_node (x);
+      SET_EXPR_LOCATION (x, loc);
+    }
   return x;
 }
 \f
@@ -2635,6 +2644,14 @@ operand_equal_p (const_tree arg0, const_tree arg1, unsigned int flags)
        case TRUTH_ORIF_EXPR:
          return OP_SAME (0) && OP_SAME (1);
 
+       case FMA_EXPR:
+       case WIDEN_MULT_PLUS_EXPR:
+       case WIDEN_MULT_MINUS_EXPR:
+         if (!OP_SAME (2))
+           return 0;
+         /* The multiplcation operands are commutative.  */
+         /* FALLTHRU */
+
        case TRUTH_AND_EXPR:
        case TRUTH_OR_EXPR:
        case TRUTH_XOR_EXPR:
@@ -2648,6 +2665,8 @@ operand_equal_p (const_tree arg0, const_tree arg1, unsigned int flags)
                                      TREE_OPERAND (arg1, 0), flags));
 
        case COND_EXPR:
+       case VEC_COND_EXPR:
+       case DOT_PROD_EXPR:
          return OP_SAME (0) && OP_SAME (1) && OP_SAME (2);
 
        default: