(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

sysdeps/mips/bsd-_setjmp.S

@@ -0,0 +1,43 @@
+/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'.  MIPS version.
+   Copyright (C) 1996, 1997, 2000, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+/* This just does a tail-call to `__sigsetjmp (ARG, 0)'.
+   We cannot do it in C because it must be a tail-call, so frame-unwinding
+   in setjmp doesn't clobber the state restored by longjmp.  */
+
+#include <sysdep.h>
+
+#ifdef __PIC__
+	.option pic2
+#endif
+ENTRY (_setjmp)
+#ifdef __PIC__
+	.set	noreorder
+	.cpload t9
+	.set	reorder
+	la	t9, C_SYMBOL_NAME (__sigsetjmp)
+#endif
+	move	a1,zero		/* Pass a second argument of zero.  */
+#ifdef __PIC__
+	jr	t9
+#else
+	j	C_SYMBOL_NAME (__sigsetjmp)
+#endif
+	.end	_setjmp
+libc_hidden_def (_setjmp)