re PR target/65697 (__atomic memory barriers not strong enough for __sync builtins)

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

diff --git a/gcc/fold-const.c b/gcc/fold-const.c
index 7b9502e2d38d56683c47137c06114bf52072457b..a447452193dbae7752de8448d51eb7aef8969f5b 100644 (file)
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -10509,19 +10509,6 @@ fold_binary_loc (location_t loc,
                            fold_convert_loc (loc, type,
                                              TREE_OPERAND (arg0, 0)));
 
-      /* X - (X / Y) * Y is X % Y.  */
-      if ((INTEGRAL_TYPE_P (type) || VECTOR_INTEGER_TYPE_P (type))
-         && TREE_CODE (arg1) == MULT_EXPR
-         && TREE_CODE (TREE_OPERAND (arg1, 0)) == TRUNC_DIV_EXPR
-         && operand_equal_p (arg0,
-                             TREE_OPERAND (TREE_OPERAND (arg1, 0), 0), 0)
-         && operand_equal_p (TREE_OPERAND (TREE_OPERAND (arg1, 0), 1),
-                             TREE_OPERAND (arg1, 1), 0))
-       return
-         fold_convert_loc (loc, type,
-                           fold_build2_loc (loc, TRUNC_MOD_EXPR, TREE_TYPE (arg0),
-                                        arg0, TREE_OPERAND (arg1, 1)));
-
       if (! FLOAT_TYPE_P (type))
        {
          /* Fold A - (A & B) into ~B & A.  */