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--- crypto/bn/bn_div.c 2017-01-26 13:22:03.000000000 +0000
+++ crypto/bn/bn_div.c 2017-02-11 16:06:29.437010335 +0000
@@ -175,6 +175,22 @@ int BN_div(BIGNUM *dv, BIGNUM *rem, cons
q; \
})
# define REMAINDER_IS_ALREADY_CALCULATED
+# elif defined(__mc68020__)
+ /* Same rationale as for i386. On the 68020-60/CPU32 the divu
+ * instruction will take a 64 bit dividend in a register pair
+ * and overwrite that pair with the remainder:quotient.
+ * Howard Chu
+ */
+# undef bn_div_words
+# define bn_div_words(n0,n1,d0) \
+ ({ asm volatile ( \
+ "divu.l %4,%2:%3" \
+ : "=d"(rem), "=d"(q) \
+ : "0"(n0), "1"(n1), "d"(d0) \
+ : "cc"); \
+ q; \
+ })
+# define REMAINDER_IS_ALREADY_CALCULATED
# endif /* __<cpu> */
# endif /* __GNUC__ */
# endif /* OPENSSL_NO_ASM */
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