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crypto: rmd320 - use swap macro in rmd320_transform
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@embeddedor.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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@ -53,7 +53,7 @@ struct rmd320_ctx {
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static void rmd320_transform(u32 *state, const __le32 *in)
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{
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u32 aa, bb, cc, dd, ee, aaa, bbb, ccc, ddd, eee, tmp;
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u32 aa, bb, cc, dd, ee, aaa, bbb, ccc, ddd, eee;
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/* Initialize left lane */
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aa = state[0];
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@ -106,7 +106,7 @@ static void rmd320_transform(u32 *state, const __le32 *in)
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ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[12], 6);
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/* Swap contents of "a" registers */
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tmp = aa; aa = aaa; aaa = tmp;
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swap(aa, aaa);
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/* round 2: left lane" */
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ROUND(ee, aa, bb, cc, dd, F2, K2, in[7], 7);
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@ -145,7 +145,7 @@ static void rmd320_transform(u32 *state, const __le32 *in)
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ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[2], 11);
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/* Swap contents of "b" registers */
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tmp = bb; bb = bbb; bbb = tmp;
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swap(bb, bbb);
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/* round 3: left lane" */
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ROUND(dd, ee, aa, bb, cc, F3, K3, in[3], 11);
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@ -184,7 +184,7 @@ static void rmd320_transform(u32 *state, const __le32 *in)
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ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[13], 5);
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/* Swap contents of "c" registers */
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tmp = cc; cc = ccc; ccc = tmp;
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swap(cc, ccc);
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/* round 4: left lane" */
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ROUND(cc, dd, ee, aa, bb, F4, K4, in[1], 11);
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@ -223,7 +223,7 @@ static void rmd320_transform(u32 *state, const __le32 *in)
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ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[14], 8);
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/* Swap contents of "d" registers */
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tmp = dd; dd = ddd; ddd = tmp;
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swap(dd, ddd);
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/* round 5: left lane" */
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ROUND(bb, cc, dd, ee, aa, F5, K5, in[4], 9);
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@ -262,7 +262,7 @@ static void rmd320_transform(u32 *state, const __le32 *in)
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ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[11], 11);
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/* Swap contents of "e" registers */
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tmp = ee; ee = eee; eee = tmp;
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swap(ee, eee);
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/* combine results */
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state[0] += aa;
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