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- package poly1305
- import (
- "golang.org/x/sys/cpu"
- )
- func poly1305vx(out *[16]byte, m *byte, mlen uint64, key *[32]byte)
- func poly1305vmsl(out *[16]byte, m *byte, mlen uint64, key *[32]byte)
- func Sum(out *[16]byte, m []byte, key *[32]byte) {
- if cpu.S390X.HasVX {
- var mPtr *byte
- if len(m) > 0 {
- mPtr = &m[0]
- }
- if cpu.S390X.HasVXE && len(m) > 256 {
- poly1305vmsl(out, mPtr, uint64(len(m)), key)
- } else {
- poly1305vx(out, mPtr, uint64(len(m)), key)
- }
- } else {
- sumGeneric(out, m, key)
- }
- }
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