Add TARGET_ADDR_SPACE_ZERO_ADDRESS_VALID

[gcc.git] / gcc / targhooks.c

diff --git a/gcc/targhooks.c b/gcc/targhooks.c
index 14324b7addc0ec5e35209952ae0ee4db57a25e2d..d9108a633bf5418fcade72ae5b56e10bae26addb 100644 (file)
--- a/gcc/targhooks.c
+++ b/gcc/targhooks.c
@@ -1268,6 +1268,15 @@ default_addr_space_subset_p (addr_space_t subset, addr_space_t superset)
   return (subset == superset);
 }
 
+/* The default hook for determining if 0 within a named address
+   space is a valid address.  */
+
+bool
+default_addr_space_zero_address_valid (addr_space_t as ATTRIBUTE_UNUSED)
+{
+  return false;
+}
+
 /* The default hook for TARGET_ADDR_SPACE_CONVERT. This hook should never be
    called for targets with only a generic address space.  */