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Diffstat (limited to 'sdk/recipes/patches/openssl/m68k-unknown-amigaos/crypto.bn.bn_div.c.p')
-rw-r--r--sdk/recipes/patches/openssl/m68k-unknown-amigaos/crypto.bn.bn_div.c.p25
1 files changed, 25 insertions, 0 deletions
diff --git a/sdk/recipes/patches/openssl/m68k-unknown-amigaos/crypto.bn.bn_div.c.p b/sdk/recipes/patches/openssl/m68k-unknown-amigaos/crypto.bn.bn_div.c.p
new file mode 100644
index 0000000..0d5492f
--- /dev/null
+++ b/sdk/recipes/patches/openssl/m68k-unknown-amigaos/crypto.bn.bn_div.c.p
@@ -0,0 +1,25 @@
+--- 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 */