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

sysdeps/unix/sysv/linux/mips/bits/endian.h

@@ -0,0 +1,16 @@
+/* The MIPS architecture has selectable endianness.
+   Linux/MIPS exists in two both little and big endian flavours and we
+   want to be able to share the installed headerfiles between both,
+   so we define __BYTE_ORDER based on GCC's predefines.  */
+
+#ifndef _ENDIAN_H
+# error "Never use <bits/endian.h> directly; include <endian.h> instead."
+#endif
+
+#ifdef __MIPSEB__
+# define __BYTE_ORDER __BIG_ENDIAN
+#else
+# ifdef __MIPSEL__
+#  define __BYTE_ORDER __LITTLE_ENDIAN
+# endif
+#endif