| // asmcheck |
| |
| // Copyright 2025 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package codegen |
| |
| func divUint64(b uint64) uint64 { |
| // amd64:"SHRQ [$]63, AX" |
| return b / 9223372036854775808 |
| } |
| |
| func divUint32(b uint32) uint32 { |
| // amd64:"SHRL [$]31, AX" |
| return b / 2147483648 |
| } |
| |
| func divUint16(b uint16) uint16 { |
| // amd64:"SHRW [$]15, AX" |
| return b / 32768 |
| } |
| |
| func divUint8(b uint8) uint8 { |
| // amd64:"SHRB [$]7, AL" |
| return b / 128 |
| } |
| |
| func modUint64(b uint64) uint64 { |
| // amd64:"BTRQ [$]63, AX" |
| return b % 9223372036854775808 |
| } |
| |
| func modUint32(b uint32) uint32 { |
| // amd64:"ANDL [$]2147483647, AX" |
| return b % 2147483648 |
| } |
| |
| func modUint16(b uint16) uint16 { |
| // amd64:"ANDL [$]32767, AX" |
| return b % 32768 |
| } |
| |
| func modUint8(b uint8) uint8 { |
| // amd64:"ANDL [$]127, AX" |
| return b % 128 |
| } |
