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Current Path: /opt/golang/1.19.4/src/cmd/compile/internal/ir

opt / golang / 1.19.4 / src / cmd / compile / internal / ir /

📁 ..
📄 bitset.go(1.43 KB)
📄 cfg.go(1.13 KB)
📄 class_string.go(755 B)
📄 const.go(2.15 KB)
📄 copy.go(2.7 KB)
📄 dump.go(6.21 KB)
📄 expr.go(27.38 KB)
📄 fmt.go(27.33 KB)
📄 func.go(15.67 KB)
📄 ir.go(171 B)
📄 mini.go(2.8 KB)
📄 mknode.go(5.09 KB)
📄 name.go(17.32 KB)
📄 node.go(17.99 KB)
📄 node_gen.go(28.72 KB)
📄 op_string.go(5.07 KB)
📄 package.go(757 B)
📄 scc.go(4.2 KB)
📄 sizeof_test.go(804 B)
📄 stmt.go(9.43 KB)
📄 symtab.go(1.73 KB)
📄 type.go(2.65 KB)
📄 val.go(2.86 KB)
📄 visit.go(5.41 KB)

Editing: bitset.go

// Copyright 2017 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 ir

type bitset8 uint8

func (f *bitset8) set(mask uint8, b bool) {
	if b {
		*(*uint8)(f) |= mask
	} else {
		*(*uint8)(f) &^= mask
	}
}

func (f bitset8) get2(shift uint8) uint8 {
	return uint8(f>>shift) & 3
}

// set2 sets two bits in f using the bottom two bits of b.
func (f *bitset8) set2(shift uint8, b uint8) {
	// Clear old bits.
	*(*uint8)(f) &^= 3 << shift
	// Set new bits.
	*(*uint8)(f) |= uint8(b&3) << shift
}

type bitset16 uint16

func (f *bitset16) set(mask uint16, b bool) {
	if b {
		*(*uint16)(f) |= mask
	} else {
		*(*uint16)(f) &^= mask
	}
}

type bitset32 uint32

func (f *bitset32) set(mask uint32, b bool) {
	if b {
		*(*uint32)(f) |= mask
	} else {
		*(*uint32)(f) &^= mask
	}
}

func (f bitset32) get2(shift uint8) uint8 {
	return uint8(f>>shift) & 3
}

// set2 sets two bits in f using the bottom two bits of b.
func (f *bitset32) set2(shift uint8, b uint8) {
	// Clear old bits.
	*(*uint32)(f) &^= 3 << shift
	// Set new bits.
	*(*uint32)(f) |= uint32(b&3) << shift
}

func (f bitset32) get3(shift uint8) uint8 {
	return uint8(f>>shift) & 7
}

// set3 sets three bits in f using the bottom three bits of b.
func (f *bitset32) set3(shift uint8, b uint8) {
	// Clear old bits.
	*(*uint32)(f) &^= 7 << shift
	// Set new bits.
	*(*uint32)(f) |= uint32(b&7) << shift
}

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Editing: bitset.go

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