github.com/bytedance/gopkg@v0.0.0-20240514070511-01b2cbcf35e1/util/xxhash3/accum_amd64.go (about)

     1  // Copyright 2021 ByteDance Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package xxhash3
    16  
    17  import "unsafe"
    18  
    19  func accumAVX2(acc *[8]uint64, xinput, xsecret unsafe.Pointer, len uintptr)
    20  func accumSSE2(acc *[8]uint64, xinput, xsecret unsafe.Pointer, len uintptr)
    21  
    22  func accum(xacc *[8]uint64, xinput, xsecret unsafe.Pointer, l uintptr) {
    23  	if avx2 {
    24  		accumAVX2(xacc, xinput, xsecret, l)
    25  	} else if sse2 {
    26  		accumSSE2(xacc, xinput, xsecret, l)
    27  	} else {
    28  		accumScalar(xacc, xinput, xsecret, l)
    29  	}
    30  }