1// asmcheck 2 3// Copyright 2023 The Go Authors. All rights reserved. 4// Use of this source code is governed by a BSD-style 5// license that can be found in the LICENSE file. 6 7// Make sure this code doesn't generate spill/restore. 8 9package codegen 10 11func pack20(in *[20]uint64) uint64 { 12 var out uint64 13 out |= 4 14 // amd64:-`.*SP.*` 15 out |= in[0] << 4 16 // amd64:-`.*SP.*` 17 out |= in[1] << 7 18 // amd64:-`.*SP.*` 19 out |= in[2] << 10 20 // amd64:-`.*SP.*` 21 out |= in[3] << 13 22 // amd64:-`.*SP.*` 23 out |= in[4] << 16 24 // amd64:-`.*SP.*` 25 out |= in[5] << 19 26 // amd64:-`.*SP.*` 27 out |= in[6] << 22 28 // amd64:-`.*SP.*` 29 out |= in[7] << 25 30 // amd64:-`.*SP.*` 31 out |= in[8] << 28 32 // amd64:-`.*SP.*` 33 out |= in[9] << 31 34 // amd64:-`.*SP.*` 35 out |= in[10] << 34 36 // amd64:-`.*SP.*` 37 out |= in[11] << 37 38 // amd64:-`.*SP.*` 39 out |= in[12] << 40 40 // amd64:-`.*SP.*` 41 out |= in[13] << 43 42 // amd64:-`.*SP.*` 43 out |= in[14] << 46 44 // amd64:-`.*SP.*` 45 out |= in[15] << 49 46 // amd64:-`.*SP.*` 47 out |= in[16] << 52 48 // amd64:-`.*SP.*` 49 out |= in[17] << 55 50 // amd64:-`.*SP.*` 51 out |= in[18] << 58 52 // amd64:-`.*SP.*` 53 out |= in[19] << 61 54 return out 55} 56