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remove usage of rotate

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revert the change that the OpenCl function `rotate` is used instead of `SKEIN_ROT`
This commit is contained in:
psychocrypt
2018-01-24 22:11:47 +01:00
parent b9fb744a10
commit ac474caa8b
1 changed files with 10 additions and 1 deletions
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xmrstak/backend/amd/amd_gpu/opencl/wolf-skein.cl
+10 -1
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@@ -30,10 +30,19 @@ static const __constant ulong SKEIN512_256_IV[8] =
p.s7 += q; \
} while(0)
ulong SKEIN_ROT(const uint2 x, const uint y)
{
if(y < 32) return(as_ulong(amd_bitalign(x, x.s10, 32 - y)));
else return(as_ulong(amd_bitalign(x.s10, x, 32 - (y - 32))));
}
void SkeinMix8(ulong4 *pv0, ulong4 *pv1, const ulong4 rc)
{
*pv0 += *pv1;
*pv1 = rotate(*pv1, (ulong4)rc);
(*pv1).s0 = SKEIN_ROT(as_uint2((*pv1).s0), rc.s0);
(*pv1).s1 = SKEIN_ROT(as_uint2((*pv1).s1), rc.s1);
(*pv1).s2 = SKEIN_ROT(as_uint2((*pv1).s2), rc.s2);
(*pv1).s3 = SKEIN_ROT(as_uint2((*pv1).s3), rc.s3);
*pv1 ^= *pv0;
}