48 lines
1.4 KiB
Go
48 lines
1.4 KiB
Go
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//+build !noasm
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//+build !appengine
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/*
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* Minio Cloud Storage, (C) 2016 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package blake2b
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//go:noescape
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func compressAVX2Loop(p []uint8, in, iv, t, f, shffle, out []uint64)
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func compressAVX2(d *digest, p []uint8) {
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var (
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in [8]uint64
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out [8]uint64
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shffle [8]uint64
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)
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// vector for PSHUFB instruction
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shffle[0] = 0x0201000706050403
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shffle[1] = 0x0a09080f0e0d0c0b
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shffle[2] = 0x0201000706050403
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shffle[3] = 0x0a09080f0e0d0c0b
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shffle[4] = 0x0100070605040302
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shffle[5] = 0x09080f0e0d0c0b0a
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shffle[6] = 0x0100070605040302
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shffle[7] = 0x09080f0e0d0c0b0a
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in[0], in[1], in[2], in[3], in[4], in[5], in[6], in[7] = d.h[0], d.h[1], d.h[2], d.h[3], d.h[4], d.h[5], d.h[6], d.h[7]
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compressAVX2Loop(p, in[:], iv[:], d.t[:], d.f[:], shffle[:], out[:])
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d.h[0], d.h[1], d.h[2], d.h[3], d.h[4], d.h[5], d.h[6], d.h[7] = out[0], out[1], out[2], out[3], out[4], out[5], out[6], out[7]
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}
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