github.com/mh-cbon/go@v0.0.0-20160603070303-9e112a3fe4c0/src/math/floor_asm.go (about)

     1  // Copyright 2015 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  // +build amd64 amd64p32
     6  
     7  package math
     8  
     9  //defined in floor_amd64.s
    10  func hasSSE4() bool
    11  
    12  var useSSE4 = hasSSE4()