Simplify (and robustify) regular PACKing

[sbcl.git] / src / runtime / ppc-arch.h

diff --git a/src/runtime/ppc-arch.h b/src/runtime/ppc-arch.h
index 515335f..a5fe1e9 100644 (file)
--- a/src/runtime/ppc-arch.h
+++ b/src/runtime/ppc-arch.h
@@ -49,6 +49,7 @@ swap_lispobjs(volatile lispobj *dest, lispobj value)
 #endif
 
 #define ARCH_HAS_LINK_REGISTER
+#define ALIEN_STACK_GROWS_DOWNWARD
 
 extern void ppc_flush_icache(os_vm_address_t address, os_vm_size_t length);