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bd94ae8903
Same as CL 689815, but for modulus instead of division. Updates #74485 Change-Id: I73000231c886a987a1093669ff207fd9117a8160 Reviewed-on: https://go-review.googlesource.com/c/go/+/689895 LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: David Chase <drchase@google.com> Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com> Reviewed-by: Keith Randall <khr@google.com> Reviewed-by: Keith Randall <khr@golang.org>
48 lines
884 B
Go
48 lines
884 B
Go
// asmcheck
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// Copyright 2025 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package codegen
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func divUint64(b uint64) uint64 {
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// amd64:"SHRQ [$]63, AX"
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return b / 9223372036854775808
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}
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func divUint32(b uint32) uint32 {
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// amd64:"SHRL [$]31, AX"
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return b / 2147483648
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}
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func divUint16(b uint16) uint16 {
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// amd64:"SHRW [$]15, AX"
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return b / 32768
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}
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func divUint8(b uint8) uint8 {
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// amd64:"SHRB [$]7, AL"
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return b / 128
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}
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func modUint64(b uint64) uint64 {
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// amd64:"BTRQ [$]63, AX"
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return b % 9223372036854775808
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}
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func modUint32(b uint32) uint32 {
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// amd64:"ANDL [$]2147483647, AX"
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return b % 2147483648
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}
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func modUint16(b uint16) uint16 {
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// amd64:"ANDL [$]32767, AX"
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return b % 32768
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}
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func modUint8(b uint8) uint8 {
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// amd64:"ANDL [$]127, AX"
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return b % 128
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}
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