Make use of the swap macro and remove unnecessary variable *tmp*.
This makes the code easier to read and maintain.
This code was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
---
crypto/rmd256.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/crypto/rmd256.c b/crypto/rmd256.c
index 0afbb5a..0e9d306 100644
--- a/crypto/rmd256.c
+++ b/crypto/rmd256.c
@@ -49,7 +49,7 @@ struct rmd256_ctx {
static void rmd256_transform(u32 *state, const __le32 *in)
{
- u32 aa, bb, cc, dd, aaa, bbb, ccc, ddd, tmp;
+ u32 aa, bb, cc, dd, aaa, bbb, ccc, ddd;
/* Initialize left lane */
aa = state[0];
@@ -100,7 +100,7 @@ static void rmd256_transform(u32 *state, const __le32 *in)
ROUND(bbb, ccc, ddd, aaa, F4, KK1, in[12], 6);
/* Swap contents of "a" registers */
- tmp = aa; aa = aaa; aaa = tmp;
+ swap(aa, aaa);
/* round 2: left lane */
ROUND(aa, bb, cc, dd, F2, K2, in[7], 7);
@@ -139,7 +139,7 @@ static void rmd256_transform(u32 *state, const __le32 *in)
ROUND(bbb, ccc, ddd, aaa, F3, KK2, in[2], 11);
/* Swap contents of "b" registers */
- tmp = bb; bb = bbb; bbb = tmp;
+ swap(bb, bbb);
/* round 3: left lane */
ROUND(aa, bb, cc, dd, F3, K3, in[3], 11);
@@ -178,7 +178,7 @@ static void rmd256_transform(u32 *state, const __le32 *in)
ROUND(bbb, ccc, ddd, aaa, F2, KK3, in[13], 5);
/* Swap contents of "c" registers */
- tmp = cc; cc = ccc; ccc = tmp;
+ swap(cc, ccc);
/* round 4: left lane */
ROUND(aa, bb, cc, dd, F4, K4, in[1], 11);
@@ -217,7 +217,7 @@ static void rmd256_transform(u32 *state, const __le32 *in)
ROUND(bbb, ccc, ddd, aaa, F1, KK4, in[14], 8);
/* Swap contents of "d" registers */
- tmp = dd; dd = ddd; ddd = tmp;
+ swap(dd, ddd);
/* combine results */
state[0] += aa;
--
2.7.4
