diff options
Diffstat (limited to 'xmrstak/backend')
| -rw-r--r-- | xmrstak/backend/amd/amd_gpu/opencl/wolf-skein.cl | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/xmrstak/backend/amd/amd_gpu/opencl/wolf-skein.cl b/xmrstak/backend/amd/amd_gpu/opencl/wolf-skein.cl index e2a867d..279b652 100644 --- a/xmrstak/backend/amd/amd_gpu/opencl/wolf-skein.cl +++ b/xmrstak/backend/amd/amd_gpu/opencl/wolf-skein.cl @@ -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; } |
