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authorJack Lloyd <[email protected]>2018-03-01 17:39:56 -0500
committerJack Lloyd <[email protected]>2018-03-01 18:00:57 -0500
commitd36a745ccfd3efec8a011dd1d76e34bbc3f193fb (patch)
treee8ebb6b59b88cd2213c9c729eb2b4984dccda912 /src/lib/math
parent7801984d217b150c231b9e896179dc4ca729b831 (diff)
Tiny but useful optimization in bigint_monty_redc
Increases perf of larger DH by 5-8%
Diffstat (limited to 'src/lib/math')
-rw-r--r--src/lib/math/mp/mp_monty.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/lib/math/mp/mp_monty.cpp b/src/lib/math/mp/mp_monty.cpp
index b2b3b5e4e..e2f93a9a7 100644
--- a/src/lib/math/mp/mp_monty.cpp
+++ b/src/lib/math/mp/mp_monty.cpp
@@ -60,7 +60,7 @@ void bigint_monty_redc(word z[],
for(size_t j = p_size + 1; j < z_size - i; ++j)
{
z_i[j] += carry;
- carry = carry & !z_i[j];
+ carry = (z_i[j] < carry);
}
}