diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e91015116a5..49f94fefaeb 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2004-04-24  Ulrich Weigand  <uweigand@de.ibm.com>
+
+	* config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for __s390__
+	and __s390x__ hosts.
+
 2004-03-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
 
 	* Makefile.in (LIBGCOV): Add _gcov_fork, _gcov_execl, _gcov_execlp,
diff --git a/gcc/config/host-linux.c b/gcc/config/host-linux.c
index 7302d381dbe..777cfa9f894 100644
--- a/gcc/config/host-linux.c
+++ b/gcc/config/host-linux.c
@@ -71,6 +71,10 @@
 # define TRY_EMPTY_VM_SPACE	0x1000000000
 #elif defined(__i386)
 # define TRY_EMPTY_VM_SPACE	0x60000000
+#elif defined(__s390x__)
+# define TRY_EMPTY_VM_SPACE	0x8000000000
+#elif defined(__s390__)
+# define TRY_EMPTY_VM_SPACE	0x60000000
 #else
 # define TRY_EMPTY_VM_SPACE	0
 #endif