github.com/pidato/unsafe@v0.1.4/memory/hash/le.go (about)

     1  //go:build tinygo.wasm || 386 || amd64 || amd64p32 || arm || arm64 || loong64 || mips64le || mips64p32 || mips64p32le || mipsle || ppc64le || riscv || riscv64 || wasm
     2  
     3  package hash
     4  
     5  import (
     6  	"unsafe"
     7  )
     8  
     9  func read32(b unsafe.Pointer) uint64 {
    10  	return uint64(*(*uint32)(b))
    11  }
    12  
    13  func read64(p unsafe.Pointer) uint64 {
    14  	return *(*uint64)(p)
    15  }
    16  
    17  func readUpTo24(p unsafe.Pointer, l uint64) uint64 {
    18  	return uint64(*(*byte)(p))<<16 |
    19  		uint64(*(*byte)(unsafe.Add(p, l>>1)))<<8 |
    20  		uint64(*(*byte)(unsafe.Add(p, l-1)))
    21  }