--- ./gcc/config/mips/mips.opt.orig	2011-02-17 01:59:04.000000000 +0000
+++ ./gcc/config/mips/mips.opt	2012-01-21 14:11:19.000000000 +0000
@@ -306,5 +306,9 @@
 Target Report Var(TARGET_XGOT)
 Lift restrictions on GOT size
 
+mpreferred-stack-boundary=
+Target RejectNegative Joined Var(mips_preferred_stack_boundary_string)
+Attempt to keep stack aligned to this power of 2
+
 noasmopt
 Driver