Use SIMD for in Threefish

GCC 7 can actually vectorize this for AVX2

1 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/block/threefish/threefish.cpp b/src/lib/block/threefish/threefish.cpp
index 937a673fd..804d6003a 100644
--- a/src/lib/block/threefish/threefish.cpp
+++ b/src/lib/block/threefish/threefish.cpp
@@ -134,7 +134,7 @@ void Threefish_512::encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks)
       }
 #endif
 
-   BOTAN_PARALLEL_FOR(size_t i = 0; i < blocks; ++i)
+   BOTAN_PARALLEL_SIMD_FOR(size_t i = 0; i < blocks; ++i)
       {
       uint64_t X0, X1, X2, X3, X4, X5, X6, X7;
       load_le(in + BLOCK_SIZE*i, X0, X1, X2, X3, X4, X5, X6, X7);
@@ -214,7 +214,7 @@ void Threefish_512::decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks)
       THREEFISH_INJECT_KEY(R2);                               \
    } while(0)
 
-   BOTAN_PARALLEL_FOR(size_t i = 0; i < blocks; ++i)
+   BOTAN_PARALLEL_SIMD_FOR(size_t i = 0; i < blocks; ++i)
       {
       uint64_t X0, X1, X2, X3, X4, X5, X6, X7;
       load_le(in + BLOCK_SIZE*i, X0, X1, X2, X3, X4, X5, X6, X7);