2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>

	* config/host-linux.c (TRY_EMPTY_VM_SPACE): Defined to
	0x60000000 if __x86_64 is defined and __LP64__ isn't defined.

diff --git a/gcc/config/host-linux.c b/gcc/config/host-linux.c
index 94b7a0b..b535758 100644
--- a/gcc/config/host-linux.c
+++ b/gcc/config/host-linux.c
@@ -68,8 +68,10 @@
 # define TRY_EMPTY_VM_SPACE	0x10000000000
 #elif defined(__ia64)
 # define TRY_EMPTY_VM_SPACE	0x2000000100000000
-#elif defined(__x86_64)
+#elif defined(__x86_64) && defined(__LP64__)
 # define TRY_EMPTY_VM_SPACE	0x1000000000
+#elif defined(__x86_64)
+# define TRY_EMPTY_VM_SPACE	0x60000000
 #elif defined(__i386)
 # define TRY_EMPTY_VM_SPACE	0x60000000
 #elif defined(__powerpc__)