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--- crypto/modes/modes_local.h.orig Tue Nov 14 10:25:15 2017
+++ crypto/modes/modes_local.h Sat Jan 19 22:19:23 2019
@@ -45,14 +45,16 @@
asm ("bswapl %0" \
: "+r"(ret)); ret; })
# elif (defined(__arm__) || defined(__arm)) && !defined(__STRICT_ALIGNMENT)
-# define BSWAP8(x) ({ u32 lo=(u64)(x)>>32,hi=(x); \
+# if (__ARM_ARCH >= 6)
+# define BSWAP8(x) ({ u32 lo=(u64)(x)>>32,hi=(x); \
asm ("rev %0,%0; rev %1,%1" \
: "+r"(hi),"+r"(lo)); \
(u64)hi<<32|lo; })
-# define BSWAP4(x) ({ u32 ret; \
+# define BSWAP4(x) ({ u32 ret; \
asm ("rev %0,%1" \
: "=r"(ret) : "r"((u32)(x))); \
ret; })
+# endif
# endif
#endif
#endif
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