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[chore] Upgrade wasm-sqlite to v0.16.2 (#2997)

This commit is contained in:
Daenney 2024-06-12 14:21:34 +02:00 committed by GitHub
parent dcf825bd87
commit 978b4176f1
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GPG Key ID: B5690EEEBB952194
55 changed files with 1075 additions and 1040 deletions
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4
go.mod
View File

@ -44,7 +44,7 @@ require (
github.com/miekg/dns v1.1.59
github.com/minio/minio-go/v7 v7.0.71
github.com/mitchellh/mapstructure v1.5.0
github.com/ncruces/go-sqlite3 v0.16.1
github.com/ncruces/go-sqlite3 v0.16.2
github.com/oklog/ulid v1.3.1
github.com/prometheus/client_golang v1.19.1
github.com/spf13/cobra v1.8.0
@ -199,7 +199,7 @@ require (
github.com/superseriousbusiness/go-jpeg-image-structure/v2 v2.0.0-20220321154430-d89a106fdabe // indirect
github.com/superseriousbusiness/go-png-image-structure/v2 v2.0.1-SSB // indirect
github.com/tdewolff/parse/v2 v2.7.14 // indirect
github.com/tetratelabs/wazero v1.7.2 // indirect
github.com/tetratelabs/wazero v1.7.3 // indirect
github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc // indirect
github.com/toqueteos/webbrowser v1.2.0 // indirect
github.com/twitchyliquid64/golang-asm v0.15.1 // indirect

8
go.sum
View File

@ -445,8 +445,8 @@ github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9G
github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
github.com/moul/http2curl v1.0.0 h1:dRMWoAtb+ePxMlLkrCbAqh4TlPHXvoGUSQ323/9Zahs=
github.com/moul/http2curl v1.0.0/go.mod h1:8UbvGypXm98wA/IqH45anm5Y2Z6ep6O31QGOAZ3H0fQ=
github.com/ncruces/go-sqlite3 v0.16.1 h1:1wHv7s8y+fWK44UIliotJ42ZV41A5T0sjIAqGmnMrkc=
github.com/ncruces/go-sqlite3 v0.16.1/go.mod h1:feFXbBcbLtxNk6XWG1ROt8MS9+E45yCW3G8o4ixIqZ8=
github.com/ncruces/go-sqlite3 v0.16.2 h1:HesVRr0BC6QSGSEQfEXOntFWS9wd4Z8ms4nJzfUv4Rg=
github.com/ncruces/go-sqlite3 v0.16.2/go.mod h1:wkUIvOrAjFQnefVlivJfcowKUcfMHs4mvLfhVanzHHI=
github.com/ncruces/go-strftime v0.1.9 h1:bY0MQC28UADQmHmaF5dgpLmImcShSi2kHU9XLdhx/f4=
github.com/ncruces/go-strftime v0.1.9/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
github.com/ncruces/julianday v1.0.0 h1:fH0OKwa7NWvniGQtxdJRxAgkBMolni2BjDHaWTxqt7M=
@ -562,8 +562,8 @@ github.com/tdewolff/test v1.0.11-0.20240106005702-7de5f7df4739 h1:IkjBCtQOOjIn03
github.com/tdewolff/test v1.0.11-0.20240106005702-7de5f7df4739/go.mod h1:XPuWBzvdUzhCuxWO1ojpXsyzsA5bFoS3tO/Q3kFuTG8=
github.com/technologize/otel-go-contrib v1.1.1 h1:wZH9aSPNWZWIkEh3vfaKfMb15AJ80jJ1aVj/4GZdqIw=
github.com/technologize/otel-go-contrib v1.1.1/go.mod h1:dCN/wj2WyUO8aFZFdIN+6tfJHImjTML/8r2YVYAy3So=
github.com/tetratelabs/wazero v1.7.2 h1:1+z5nXJNwMLPAWaTePFi49SSTL0IMx/i3Fg8Yc25GDc=
github.com/tetratelabs/wazero v1.7.2/go.mod h1:ytl6Zuh20R/eROuyDaGPkp82O9C/DJfXAwJfQ3X6/7Y=
github.com/tetratelabs/wazero v1.7.3 h1:PBH5KVahrt3S2AHgEjKu4u+LlDbbk+nsGE3KLucy6Rw=
github.com/tetratelabs/wazero v1.7.3/go.mod h1:ytl6Zuh20R/eROuyDaGPkp82O9C/DJfXAwJfQ3X6/7Y=
github.com/tidwall/btree v0.0.0-20191029221954-400434d76274 h1:G6Z6HvJuPjG6XfNGi/feOATzeJrfgTNJY+rGrHbA04E=
github.com/tidwall/btree v0.0.0-20191029221954-400434d76274/go.mod h1:huei1BkDWJ3/sLXmO+bsCNELL+Bp2Kks9OLyQFkzvA8=
github.com/tidwall/buntdb v1.1.2 h1:noCrqQXL9EKMtcdwJcmuVKSEjqu1ua99RHHgbLTEHRo=

2
vendor/github.com/ncruces/go-sqlite3/internal/util/json.go generated vendored
View File

@ -26,7 +26,7 @@ func (j JSON) Scan(value any) error {
buf = v.AppendFormat(buf, time.RFC3339Nano)
buf = append(buf, '"')
case nil:
buf = append(buf, "null"...)
buf = []byte("null")
default:
panic(AssertErr())
}

3
vendor/github.com/ncruces/go-sqlite3/json.go generated vendored
View File

@ -5,7 +5,8 @@ import "github.com/ncruces/go-sqlite3/internal/util"
// JSON returns a value that can be used as an argument to
// [database/sql.DB.Exec], [database/sql.Row.Scan] and similar methods to
// store value as JSON, or decode JSON into value.
// JSON should NOT be used with [BindJSON] or [ResultJSON].
// JSON should NOT be used with [Stmt.BindJSON], [Stmt.ColumnJSON],
// [Value.JSON], or [Context.ResultJSON].
func JSON(value any) any {
return util.JSON{Value: value}
}

3
vendor/github.com/ncruces/go-sqlite3/pointer.go generated vendored
View File

@ -4,7 +4,8 @@ import "github.com/ncruces/go-sqlite3/internal/util"
// Pointer returns a pointer to a value that can be used as an argument to
// [database/sql.DB.Exec] and similar methods.
// Pointer should NOT be used with [BindPointer] or [ResultPointer].
// Pointer should NOT be used with [Stmt.BindPointer],
// [Value.Pointer], or [Context.ResultPointer].
//
// https://sqlite.org/bindptr.html
func Pointer[T any](value T) any {

2
vendor/github.com/ncruces/go-sqlite3/stmt.go generated vendored
View File

@ -564,7 +564,7 @@ func (s *Stmt) ColumnJSON(col int, ptr any) error {
var data []byte
switch s.ColumnType(col) {
case NULL:
data = append(data, "null"...)
data = []byte("null")
case TEXT:
data = s.ColumnRawText(col)
case BLOB:

2
vendor/github.com/ncruces/go-sqlite3/value.go generated vendored
View File

@ -177,7 +177,7 @@ func (v Value) JSON(ptr any) error {
var data []byte
switch v.Type() {
case NULL:
data = append(data, "null"...)
data = []byte("null")
case TEXT:
data = v.RawText()
case BLOB:

29
vendor/github.com/ncruces/go-sqlite3/vfs/memdb/memdb.go generated vendored
View File

@ -75,11 +75,6 @@ func (memVFS) FullPathname(name string) (string, error) {
type memDB struct {
name string
// +checklocks:lockMtx
pending *memFile
// +checklocks:lockMtx
reserved *memFile
// +checklocks:dataMtx
data []*[sectorSize]byte
@ -88,6 +83,10 @@ type memDB struct {
// +checklocks:lockMtx
shared int
// +checklocks:lockMtx
reserved bool
// +checklocks:lockMtx
pending bool
// +checklocks:memoryMtx
refs int
@ -214,24 +213,24 @@ func (m *memFile) Lock(lock vfs.LockLevel) error {
switch lock {
case vfs.LOCK_SHARED:
if m.pending != nil {
if m.pending {
return sqlite3.BUSY
}
m.shared++
case vfs.LOCK_RESERVED:
if m.reserved != nil {
if m.reserved {
return sqlite3.BUSY
}
m.reserved = m
m.reserved = true
case vfs.LOCK_EXCLUSIVE:
if m.lock < vfs.LOCK_PENDING {
if m.pending != nil {
if m.pending {
return sqlite3.BUSY
}
m.lock = vfs.LOCK_PENDING
m.pending = m
m.pending = true
}
for before := time.Now(); m.shared > 1; {
@ -256,11 +255,11 @@ func (m *memFile) Unlock(lock vfs.LockLevel) error {
m.lockMtx.Lock()
defer m.lockMtx.Unlock()
if m.pending == m {
m.pending = nil
if m.pending && m.lock >= vfs.LOCK_PENDING {
m.pending = false
}
if m.reserved == m {
m.reserved = nil
if m.reserved && m.lock >= vfs.LOCK_RESERVED {
m.reserved = false
}
if lock < vfs.LOCK_SHARED {
m.shared--
@ -275,7 +274,7 @@ func (m *memFile) CheckReservedLock() (bool, error) {
}
m.lockMtx.Lock()
defer m.lockMtx.Unlock()
return m.reserved != nil, nil
return m.reserved, nil
}
func (m *memFile) SectorSize() int {

3
vendor/github.com/ncruces/go-sqlite3/vfs/shm.go generated vendored
View File

@ -125,6 +125,9 @@ func (s *vfsShm) shmMap(ctx context.Context, mod api.Module, id, size int32, ext
return 0, _IOERR_SHMMAP
}
s.regions = append(s.regions, r)
if s.readOnly {
return r.Ptr, _READONLY
}
return r.Ptr, _OK
}

14
vendor/github.com/ncruces/go-sqlite3/vfs/shm_bsd.go generated vendored
View File

@ -101,13 +101,13 @@ func (s *vfsShm) shmOpen() (rc _ErrorCode) {
return _OK
}
// Open file read-write, as it will be shared.
// Always open file read-write, as it will be shared.
f, err := os.OpenFile(s.path,
unix.O_RDWR|unix.O_CREAT|unix.O_NOFOLLOW, 0666)
if err != nil {
return _CANTOPEN
}
// Close if file if it's not nil.
// Closes file if it's not nil.
defer func() { f.Close() }()
fi, err := f.Stat()
@ -145,17 +145,14 @@ func (s *vfsShm) shmOpen() (rc _ErrorCode) {
info: fi,
refs: 1,
}
f = nil
add := true
f = nil // Don't close the file.
for i, g := range vfsShmFiles {
if g == nil {
vfsShmFiles[i] = s.vfsShmFile
add = false
return rc
}
}
if add {
vfsShmFiles = append(vfsShmFiles, s.vfsShmFile)
}
return rc
}
@ -195,6 +192,9 @@ func (s *vfsShm) shmMap(ctx context.Context, mod api.Module, id, size int32, ext
return 0, _IOERR_SHMMAP
}
s.regions = append(s.regions, r)
if s.readOnly {
return r.Ptr, _READONLY
}
return r.Ptr, _OK
}

15
vendor/github.com/tetratelabs/wazero/config.go generated vendored
View File

@ -148,7 +148,7 @@ type RuntimeConfig interface {
// customSections := c.CustomSections()
WithCustomSections(bool) RuntimeConfig
// WithCloseOnContextDone ensures the executions of functions to be closed under one of the following circumstances:
// WithCloseOnContextDone ensures the executions of functions to be terminated under one of the following circumstances:
//
// - context.Context passed to the Call method of api.Function is canceled during execution. (i.e. ctx by context.WithCancel)
// - context.Context passed to the Call method of api.Function reaches timeout during execution. (i.e. ctx by context.WithTimeout or context.WithDeadline)
@ -159,6 +159,8 @@ type RuntimeConfig interface {
// entire underlying OS thread which runs the api.Function call. See "Why it's safe to execute runtime-generated
// machine codes against async Goroutine preemption" section in RATIONALE.md for detail.
//
// Upon the termination of the function executions, api.Module is closed.
//
// Note that this comes with a bit of extra cost when enabled. The reason is that internally this forces
// interpreter and compiler runtimes to insert the periodical checks on the conditions above. For that reason,
// this is disabled by default.
@ -217,9 +219,18 @@ const (
// part. wazero automatically performs ahead-of-time compilation as needed when
// Runtime.CompileModule is invoked.
//
// Warning: This panics at runtime if the runtime.GOOS or runtime.GOARCH does not
// # Warning
//
// - This panics at runtime if the runtime.GOOS or runtime.GOARCH does not
// support compiler. Use NewRuntimeConfig to safely detect and fallback to
// NewRuntimeConfigInterpreter if needed.
//
// - If you are using wazero in buildmode=c-archive or c-shared, make sure that you set up the alternate signal stack
// by using, e.g. `sigaltstack` combined with `SA_ONSTACK` flag on `sigaction` on Linux,
// before calling any api.Function. This is because the Go runtime does not set up the alternate signal stack
// for c-archive or c-shared modes, and wazero uses the different stack than the calling Goroutine.
// Hence, the signal handler might get invoked on the wazero's stack, which may cause a stack overflow.
// https://github.com/tetratelabs/wazero/blob/2092c0a879f30d49d7b37f333f4547574b8afe0d/internal/integration_test/fuzz/fuzz/tests/sigstack.rs#L19-L36
func NewRuntimeConfigCompiler() RuntimeConfig {
ret := engineLessConfig.clone()
ret.engineKind = engineKindCompiler

13
vendor/github.com/tetratelabs/wazero/experimental/checkpoint.go generated vendored
View File

@ -21,13 +21,6 @@ type Snapshotter interface {
Snapshot() Snapshot
}
// EnableSnapshotterKey is a context key to indicate that snapshotting should be enabled.
// The context.Context passed to a exported function invocation should have this key set
// to a non-nil value, and host functions will be able to retrieve it using SnapshotterKey.
//
// Deprecated: use WithSnapshotter to enable snapshots.
type EnableSnapshotterKey = expctxkeys.EnableSnapshotterKey
// WithSnapshotter enables snapshots.
// Passing the returned context to a exported function invocation enables snapshots,
// and allows host functions to retrieve the Snapshotter using GetSnapshotter.
@ -35,12 +28,6 @@ func WithSnapshotter(ctx context.Context) context.Context {
return context.WithValue(ctx, expctxkeys.EnableSnapshotterKey{}, struct{}{})
}
// SnapshotterKey is a context key to access a Snapshotter from a host function.
// It is only present if EnableSnapshotter was set in the function invocation context.
//
// Deprecated: use GetSnapshotter to get the snapshotter.
type SnapshotterKey = expctxkeys.SnapshotterKey
// GetSnapshotter gets the Snapshotter from a host function.
// It is only present if WithSnapshotter was called with the function invocation context.
func GetSnapshotter(ctx context.Context) Snapshotter {

6
vendor/github.com/tetratelabs/wazero/experimental/listener.go generated vendored
View File

@ -24,12 +24,6 @@ type StackIterator interface {
ProgramCounter() ProgramCounter
}
// FunctionListenerFactoryKey is a context.Context Value key.
// Its associated value should be a FunctionListenerFactory.
//
// Deprecated: use WithFunctionListenerFactory to enable snapshots.
type FunctionListenerFactoryKey = expctxkeys.FunctionListenerFactoryKey
// WithFunctionListenerFactory registers a FunctionListenerFactory
// with the context.
func WithFunctionListenerFactory(ctx context.Context, factory FunctionListenerFactory) context.Context {

6
vendor/github.com/tetratelabs/wazero/experimental/sys/syscall_errno_windows.go generated vendored
View File

@ -23,6 +23,10 @@ const (
// instead of syscall.ENOTDIR
_ERROR_DIRECTORY = syscall.Errno(0x10B)
// _ERROR_NOT_A_REPARSE_POINT is a Windows error returned by os.Readlink
// instead of syscall.EINVAL
_ERROR_NOT_A_REPARSE_POINT = syscall.Errno(0x1126)
// _ERROR_INVALID_SOCKET is a Windows error returned by winsock_select
// when a given handle is not a socket.
_ERROR_INVALID_SOCKET = syscall.Errno(0x2736)
@ -51,7 +55,7 @@ func errorToErrno(err error) Errno {
return EBADF
case syscall.ERROR_PRIVILEGE_NOT_HELD:
return EPERM
case _ERROR_NEGATIVE_SEEK, _ERROR_INVALID_NAME:
case _ERROR_NEGATIVE_SEEK, _ERROR_INVALID_NAME, _ERROR_NOT_A_REPARSE_POINT:
return EINVAL
}
errno, _ := syscallToErrno(err)

3
vendor/github.com/tetratelabs/wazero/internal/engine/interpreter/interpreter.go generated vendored
View File

@ -98,6 +98,9 @@ func (e *moduleEngine) SetGlobalValue(idx wasm.Index, lo, hi uint64) {
// OwnsGlobals implements the same method as documented on wasm.ModuleEngine.
func (e *moduleEngine) OwnsGlobals() bool { return false }
// MemoryGrown implements wasm.ModuleEngine.
func (e *moduleEngine) MemoryGrown() {}
// callEngine holds context per moduleEngine.Call, and shared across all the
// function calls originating from the same moduleEngine.Call execution.
//

28
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/backend/executable_context.go generated vendored
View File

@ -43,7 +43,7 @@ type ExecutableContextT[Instr any] struct {
labelPositionPool wazevoapi.Pool[LabelPosition[Instr]]
NextLabel Label
// LabelPositions maps a label to the instructions of the region which the label represents.
LabelPositions map[Label]*LabelPosition[Instr]
LabelPositions []*LabelPosition[Instr]
OrderedBlockLabels []*LabelPosition[Instr]
// PerBlockHead and PerBlockEnd are the head and tail of the instruction list per currently-compiled ssa.BasicBlock.
@ -67,7 +67,6 @@ func NewExecutableContextT[Instr any](
setNext: setNext,
setPrev: setPrev,
labelPositionPool: wazevoapi.NewPool[LabelPosition[Instr]](resetLabelPosition[Instr]),
LabelPositions: make(map[Label]*LabelPosition[Instr]),
NextLabel: LabelInvalid,
}
}
@ -97,11 +96,7 @@ func (e *ExecutableContextT[Instr]) StartBlock(blk ssa.BasicBlock) {
end := e.allocateNop0()
e.PerBlockHead, e.PerBlockEnd = end, end
labelPos, ok := e.LabelPositions[l]
if !ok {
labelPos = e.AllocateLabelPosition(l)
e.LabelPositions[l] = labelPos
}
labelPos := e.GetOrAllocateLabelPosition(l)
e.OrderedBlockLabels = append(e.OrderedBlockLabels, labelPos)
labelPos.Begin, labelPos.End = end, end
labelPos.SB = blk
@ -146,8 +141,8 @@ func (e *ExecutableContextT[T]) FlushPendingInstructions() {
func (e *ExecutableContextT[T]) Reset() {
e.labelPositionPool.Reset()
e.InstructionPool.Reset()
for l := Label(0); l <= e.NextLabel; l++ {
delete(e.LabelPositions, l)
for i := range e.LabelPositions {
e.LabelPositions[i] = nil
}
e.PendingInstructions = e.PendingInstructions[:0]
e.OrderedBlockLabels = e.OrderedBlockLabels[:0]
@ -163,10 +158,17 @@ func (e *ExecutableContextT[T]) AllocateLabel() Label {
return e.NextLabel
}
func (e *ExecutableContextT[T]) AllocateLabelPosition(la Label) *LabelPosition[T] {
l := e.labelPositionPool.Allocate()
l.L = la
return l
func (e *ExecutableContextT[T]) GetOrAllocateLabelPosition(l Label) *LabelPosition[T] {
if len(e.LabelPositions) <= int(l) {
e.LabelPositions = append(e.LabelPositions, make([]*LabelPosition[T], int(l)+1-len(e.LabelPositions))...)
}
ret := e.LabelPositions[l]
if ret == nil {
ret = e.labelPositionPool.Allocate()
ret.L = l
e.LabelPositions[l] = ret
}
return ret
}
func (e *ExecutableContextT[T]) GetOrAllocateSSABlockLabel(blk ssa.BasicBlock) Label {

16
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/backend/isa/amd64/machine.go generated vendored
View File

@ -1906,8 +1906,10 @@ func (m *machine) InsertMove(dst, src regalloc.VReg, typ ssa.Type) {
func (m *machine) Format() string {
ectx := m.ectx
begins := map[*instruction]backend.Label{}
for l, pos := range ectx.LabelPositions {
begins[pos.Begin] = l
for _, pos := range ectx.LabelPositions {
if pos != nil {
begins[pos.Begin] = pos.L
}
}
irBlocks := map[backend.Label]ssa.BasicBlockID{}
@ -1950,7 +1952,10 @@ func (m *machine) encodeWithoutSSA(root *instruction) {
offset := int64(len(*bufPtr))
if cur.kind == nop0 {
l := cur.nop0Label()
if pos, ok := ectx.LabelPositions[l]; ok {
if int(l) >= len(ectx.LabelPositions) {
continue
}
if pos := ectx.LabelPositions[l]; pos != nil {
pos.BinaryOffset = offset
}
}
@ -2005,7 +2010,7 @@ func (m *machine) Encode(ctx context.Context) (err error) {
switch cur.kind {
case nop0:
l := cur.nop0Label()
if pos, ok := ectx.LabelPositions[l]; ok {
if pos := ectx.LabelPositions[l]; pos != nil {
pos.BinaryOffset = offset
}
case sourceOffsetInfo:
@ -2165,8 +2170,7 @@ func (m *machine) allocateBrTarget() (nop *instruction, l backend.Label) { //nol
func (m *machine) allocateLabel() *labelPosition {
ectx := m.ectx
l := ectx.AllocateLabel()
pos := ectx.AllocateLabelPosition(l)
ectx.LabelPositions[l] = pos
pos := ectx.GetOrAllocateLabelPosition(l)
return pos
}

30
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/backend/isa/arm64/abi.go generated vendored
View File

@ -101,13 +101,14 @@ func (m *machine) LowerParams(args []ssa.Value) {
bits := arg.Type.Bits()
// At this point of compilation, we don't yet know how much space exist below the return address.
// So we instruct the address mode to add the `argStackOffset` to the offset at the later phase of compilation.
amode := addressMode{imm: arg.Offset, rn: spVReg, kind: addressModeKindArgStackSpace}
amode := m.amodePool.Allocate()
*amode = addressMode{imm: arg.Offset, rn: spVReg, kind: addressModeKindArgStackSpace}
load := m.allocateInstr()
switch arg.Type {
case ssa.TypeI32, ssa.TypeI64:
load.asULoad(operandNR(reg), amode, bits)
load.asULoad(reg, amode, bits)
case ssa.TypeF32, ssa.TypeF64, ssa.TypeV128:
load.asFpuLoad(operandNR(reg), amode, bits)
load.asFpuLoad(reg, amode, bits)
default:
panic("BUG")
}
@ -169,7 +170,8 @@ func (m *machine) LowerReturns(rets []ssa.Value) {
// At this point of compilation, we don't yet know how much space exist below the return address.
// So we instruct the address mode to add the `retStackOffset` to the offset at the later phase of compilation.
amode := addressMode{imm: r.Offset, rn: spVReg, kind: addressModeKindResultStackSpace}
amode := m.amodePool.Allocate()
*amode = addressMode{imm: r.Offset, rn: spVReg, kind: addressModeKindResultStackSpace}
store := m.allocateInstr()
store.asStore(operandNR(reg), amode, bits)
m.insert(store)
@ -215,9 +217,9 @@ func (m *machine) callerGenFunctionReturnVReg(a *backend.FunctionABI, retIndex i
ldr := m.allocateInstr()
switch r.Type {
case ssa.TypeI32, ssa.TypeI64:
ldr.asULoad(operandNR(reg), amode, r.Type.Bits())
ldr.asULoad(reg, amode, r.Type.Bits())
case ssa.TypeF32, ssa.TypeF64, ssa.TypeV128:
ldr.asFpuLoad(operandNR(reg), amode, r.Type.Bits())
ldr.asFpuLoad(reg, amode, r.Type.Bits())
default:
panic("BUG")
}
@ -225,7 +227,7 @@ func (m *machine) callerGenFunctionReturnVReg(a *backend.FunctionABI, retIndex i
}
}
func (m *machine) resolveAddressModeForOffsetAndInsert(cur *instruction, offset int64, dstBits byte, rn regalloc.VReg, allowTmpRegUse bool) (*instruction, addressMode) {
func (m *machine) resolveAddressModeForOffsetAndInsert(cur *instruction, offset int64, dstBits byte, rn regalloc.VReg, allowTmpRegUse bool) (*instruction, *addressMode) {
exct := m.executableContext
exct.PendingInstructions = exct.PendingInstructions[:0]
mode := m.resolveAddressModeForOffset(offset, dstBits, rn, allowTmpRegUse)
@ -235,15 +237,15 @@ func (m *machine) resolveAddressModeForOffsetAndInsert(cur *instruction, offset
return cur, mode
}
func (m *machine) resolveAddressModeForOffset(offset int64, dstBits byte, rn regalloc.VReg, allowTmpRegUse bool) addressMode {
func (m *machine) resolveAddressModeForOffset(offset int64, dstBits byte, rn regalloc.VReg, allowTmpRegUse bool) *addressMode {
if rn.RegType() != regalloc.RegTypeInt {
panic("BUG: rn should be a pointer: " + formatVRegSized(rn, 64))
}
var amode addressMode
amode := m.amodePool.Allocate()
if offsetFitsInAddressModeKindRegUnsignedImm12(dstBits, offset) {
amode = addressMode{kind: addressModeKindRegUnsignedImm12, rn: rn, imm: offset}
*amode = addressMode{kind: addressModeKindRegUnsignedImm12, rn: rn, imm: offset}
} else if offsetFitsInAddressModeKindRegSignedImm9(offset) {
amode = addressMode{kind: addressModeKindRegSignedImm9, rn: rn, imm: offset}
*amode = addressMode{kind: addressModeKindRegSignedImm9, rn: rn, imm: offset}
} else {
var indexReg regalloc.VReg
if allowTmpRegUse {
@ -253,7 +255,7 @@ func (m *machine) resolveAddressModeForOffset(offset int64, dstBits byte, rn reg
indexReg = m.compiler.AllocateVReg(ssa.TypeI64)
m.lowerConstantI64(indexReg, offset)
}
amode = addressMode{kind: addressModeKindRegReg, rn: rn, rm: indexReg, extOp: extendOpUXTX /* indicates index rm is 64-bit */}
*amode = addressMode{kind: addressModeKindRegReg, rn: rn, rm: indexReg, extOp: extendOpUXTX /* indicates index rm is 64-bit */}
}
return amode
}
@ -315,7 +317,7 @@ func (m *machine) insertAddOrSubStackPointer(rd regalloc.VReg, diff int64, add b
} else {
ao = aluOpSub
}
alu.asALU(ao, operandNR(rd), operandNR(spVReg), imm12Operand, true)
alu.asALU(ao, rd, operandNR(spVReg), imm12Operand, true)
m.insert(alu)
} else {
m.lowerConstantI64(tmpRegVReg, diff)
@ -326,7 +328,7 @@ func (m *machine) insertAddOrSubStackPointer(rd regalloc.VReg, diff int64, add b
} else {
ao = aluOpSub
}
alu.asALU(ao, operandNR(rd), operandNR(spVReg), operandNR(tmpRegVReg), true)
alu.asALU(ao, rd, operandNR(spVReg), operandNR(tmpRegVReg), true)
m.insert(alu)
}
}

29
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/backend/isa/arm64/abi_entry_preamble.go generated vendored
View File

@ -59,25 +59,26 @@ func (m *machine) goEntryPreamblePassArg(cur *instruction, paramSlicePtr regallo
} else {
postIndexImm = 8
}
loadMode := addressMode{kind: addressModeKindPostIndex, rn: paramSlicePtr, imm: postIndexImm}
loadMode := m.amodePool.Allocate()
*loadMode = addressMode{kind: addressModeKindPostIndex, rn: paramSlicePtr, imm: postIndexImm}
instr := m.allocateInstr()
switch typ {
case ssa.TypeI32:
instr.asULoad(loadTargetReg, loadMode, 32)
instr.asULoad(loadTargetReg.reg(), loadMode, 32)
case ssa.TypeI64:
instr.asULoad(loadTargetReg, loadMode, 64)
instr.asULoad(loadTargetReg.reg(), loadMode, 64)
case ssa.TypeF32:
instr.asFpuLoad(loadTargetReg, loadMode, 32)
instr.asFpuLoad(loadTargetReg.reg(), loadMode, 32)
case ssa.TypeF64:
instr.asFpuLoad(loadTargetReg, loadMode, 64)
instr.asFpuLoad(loadTargetReg.reg(), loadMode, 64)
case ssa.TypeV128:
instr.asFpuLoad(loadTargetReg, loadMode, 128)
instr.asFpuLoad(loadTargetReg.reg(), loadMode, 128)
}
cur = linkInstr(cur, instr)
if isStackArg {
var storeMode addressMode
var storeMode *addressMode
cur, storeMode = m.resolveAddressModeForOffsetAndInsert(cur, argStartOffsetFromSP+arg.Offset, bits, spVReg, true)
toStack := m.allocateInstr()
toStack.asStore(loadTargetReg, storeMode, bits)
@ -113,21 +114,22 @@ func (m *machine) goEntryPreamblePassResult(cur *instruction, resultSlicePtr reg
}
if isStackArg {
var loadMode addressMode
var loadMode *addressMode
cur, loadMode = m.resolveAddressModeForOffsetAndInsert(cur, resultStartOffsetFromSP+result.Offset, bits, spVReg, true)
toReg := m.allocateInstr()
switch typ {
case ssa.TypeI32, ssa.TypeI64:
toReg.asULoad(storeTargetReg, loadMode, bits)
toReg.asULoad(storeTargetReg.reg(), loadMode, bits)
case ssa.TypeF32, ssa.TypeF64, ssa.TypeV128:
toReg.asFpuLoad(storeTargetReg, loadMode, bits)
toReg.asFpuLoad(storeTargetReg.reg(), loadMode, bits)
default:
panic("TODO?")
}
cur = linkInstr(cur, toReg)
}
mode := addressMode{kind: addressModeKindPostIndex, rn: resultSlicePtr, imm: postIndexImm}
mode := m.amodePool.Allocate()
*mode = addressMode{kind: addressModeKindPostIndex, rn: resultSlicePtr, imm: postIndexImm}
instr := m.allocateInstr()
instr.asStore(storeTargetReg, mode, bits)
cur = linkInstr(cur, instr)
@ -214,11 +216,12 @@ func (m *machine) move64(dst, src regalloc.VReg, prev *instruction) *instruction
func (m *machine) loadOrStoreAtExecutionContext(d regalloc.VReg, offset wazevoapi.Offset, store bool, prev *instruction) *instruction {
instr := m.allocateInstr()
mode := addressMode{kind: addressModeKindRegUnsignedImm12, rn: savedExecutionContextPtr, imm: offset.I64()}
mode := m.amodePool.Allocate()
*mode = addressMode{kind: addressModeKindRegUnsignedImm12, rn: savedExecutionContextPtr, imm: offset.I64()}
if store {
instr.asStore(operandNR(d), mode, 64)
} else {
instr.asULoad(operandNR(d), mode, 64)
instr.asULoad(d, mode, 64)
}
return linkInstr(prev, instr)
}

97
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/backend/isa/arm64/abi_go_call.go generated vendored
View File

@ -87,7 +87,8 @@ func (m *machine) CompileGoFunctionTrampoline(exitCode wazevoapi.ExitCode, sig *
// Module context is always the second argument.
moduleCtrPtr := x1VReg
store := m.allocateInstr()
amode := addressMode{kind: addressModeKindRegUnsignedImm12, rn: execCtrPtr, imm: offset}
amode := m.amodePool.Allocate()
*amode = addressMode{kind: addressModeKindRegUnsignedImm12, rn: execCtrPtr, imm: offset}
store.asStore(operandNR(moduleCtrPtr), amode, 64)
cur = linkInstr(cur, store)
}
@ -120,11 +121,9 @@ func (m *machine) CompileGoFunctionTrampoline(exitCode wazevoapi.ExitCode, sig *
} else {
sizeInBits = 64
}
store.asStore(operandNR(v),
addressMode{
kind: addressModeKindPostIndex,
rn: arg0ret0AddrReg, imm: int64(sizeInBits / 8),
}, sizeInBits)
amode := m.amodePool.Allocate()
*amode = addressMode{kind: addressModeKindPostIndex, rn: arg0ret0AddrReg, imm: int64(sizeInBits / 8)}
store.asStore(operandNR(v), amode, sizeInBits)
cur = linkInstr(cur, store)
}
@ -139,7 +138,7 @@ func (m *machine) CompileGoFunctionTrampoline(exitCode wazevoapi.ExitCode, sig *
frameSizeReg = xzrVReg
sliceSizeReg = xzrVReg
}
_amode := addressModePreOrPostIndex(spVReg, -16, true)
_amode := addressModePreOrPostIndex(m, spVReg, -16, true)
storeP := m.allocateInstr()
storeP.asStorePair64(frameSizeReg, sliceSizeReg, _amode)
cur = linkInstr(cur, storeP)
@ -165,8 +164,8 @@ func (m *machine) CompileGoFunctionTrampoline(exitCode wazevoapi.ExitCode, sig *
cur = m.addsAddOrSubStackPointer(cur, spVReg, frameInfoSize+goCallStackSize, true)
ldr := m.allocateInstr()
// And load the return address.
ldr.asULoad(operandNR(lrVReg),
addressModePreOrPostIndex(spVReg, 16 /* stack pointer must be 16-byte aligned. */, false /* increment after loads */), 64)
amode := addressModePreOrPostIndex(m, spVReg, 16 /* stack pointer must be 16-byte aligned. */, false /* increment after loads */)
ldr.asULoad(lrVReg, amode, 64)
cur = linkInstr(cur, ldr)
originalRet0Reg := x17VReg // Caller save, so we can use it for whatever we want.
@ -183,23 +182,24 @@ func (m *machine) CompileGoFunctionTrampoline(exitCode wazevoapi.ExitCode, sig *
r := &abi.Rets[i]
if r.Kind == backend.ABIArgKindReg {
loadIntoReg := m.allocateInstr()
mode := addressMode{kind: addressModeKindPostIndex, rn: arg0ret0AddrReg}
mode := m.amodePool.Allocate()
*mode = addressMode{kind: addressModeKindPostIndex, rn: arg0ret0AddrReg}
switch r.Type {
case ssa.TypeI32:
mode.imm = 8 // We use uint64 for all basic types, except SIMD v128.
loadIntoReg.asULoad(operandNR(r.Reg), mode, 32)
loadIntoReg.asULoad(r.Reg, mode, 32)
case ssa.TypeI64:
mode.imm = 8 // We use uint64 for all basic types, except SIMD v128.
loadIntoReg.asULoad(operandNR(r.Reg), mode, 64)
loadIntoReg.asULoad(r.Reg, mode, 64)
case ssa.TypeF32:
mode.imm = 8 // We use uint64 for all basic types, except SIMD v128.
loadIntoReg.asFpuLoad(operandNR(r.Reg), mode, 32)
loadIntoReg.asFpuLoad(r.Reg, mode, 32)
case ssa.TypeF64:
mode.imm = 8 // We use uint64 for all basic types, except SIMD v128.
loadIntoReg.asFpuLoad(operandNR(r.Reg), mode, 64)
loadIntoReg.asFpuLoad(r.Reg, mode, 64)
case ssa.TypeV128:
mode.imm = 16
loadIntoReg.asFpuLoad(operandNR(r.Reg), mode, 128)
loadIntoReg.asFpuLoad(r.Reg, mode, 128)
default:
panic("TODO")
}
@ -208,28 +208,29 @@ func (m *machine) CompileGoFunctionTrampoline(exitCode wazevoapi.ExitCode, sig *
// First we need to load the value to a temporary just like ^^.
intTmp, floatTmp := x11VReg, v11VReg
loadIntoTmpReg := m.allocateInstr()
mode := addressMode{kind: addressModeKindPostIndex, rn: arg0ret0AddrReg}
mode := m.amodePool.Allocate()
*mode = addressMode{kind: addressModeKindPostIndex, rn: arg0ret0AddrReg}
var resultReg regalloc.VReg
switch r.Type {
case ssa.TypeI32:
mode.imm = 8 // We use uint64 for all basic types, except SIMD v128.
loadIntoTmpReg.asULoad(operandNR(intTmp), mode, 32)
loadIntoTmpReg.asULoad(intTmp, mode, 32)
resultReg = intTmp
case ssa.TypeI64:
mode.imm = 8 // We use uint64 for all basic types, except SIMD v128.
loadIntoTmpReg.asULoad(operandNR(intTmp), mode, 64)
loadIntoTmpReg.asULoad(intTmp, mode, 64)
resultReg = intTmp
case ssa.TypeF32:
mode.imm = 8 // We use uint64 for all basic types, except SIMD v128.
loadIntoTmpReg.asFpuLoad(operandNR(floatTmp), mode, 32)
loadIntoTmpReg.asFpuLoad(floatTmp, mode, 32)
resultReg = floatTmp
case ssa.TypeF64:
mode.imm = 8 // We use uint64 for all basic types, except SIMD v128.
loadIntoTmpReg.asFpuLoad(operandNR(floatTmp), mode, 64)
loadIntoTmpReg.asFpuLoad(floatTmp, mode, 64)
resultReg = floatTmp
case ssa.TypeV128:
mode.imm = 16
loadIntoTmpReg.asFpuLoad(operandNR(floatTmp), mode, 128)
loadIntoTmpReg.asFpuLoad(floatTmp, mode, 128)
resultReg = floatTmp
default:
panic("TODO")
@ -258,12 +259,13 @@ func (m *machine) saveRegistersInExecutionContext(cur *instruction, regs []regal
case regalloc.RegTypeFloat:
sizeInBits = 128
}
store.asStore(operandNR(v),
addressMode{
mode := m.amodePool.Allocate()
*mode = addressMode{
kind: addressModeKindRegUnsignedImm12,
// Execution context is always the first argument.
rn: x0VReg, imm: offset,
}, sizeInBits)
}
store.asStore(operandNR(v), mode, sizeInBits)
store.prev = cur
cur.next = store
cur = store
@ -276,7 +278,7 @@ func (m *machine) restoreRegistersInExecutionContext(cur *instruction, regs []re
offset := wazevoapi.ExecutionContextOffsetSavedRegistersBegin.I64()
for _, v := range regs {
load := m.allocateInstr()
var as func(dst operand, amode addressMode, sizeInBits byte)
var as func(dst regalloc.VReg, amode *addressMode, sizeInBits byte)
var sizeInBits byte
switch v.RegType() {
case regalloc.RegTypeInt:
@ -286,12 +288,13 @@ func (m *machine) restoreRegistersInExecutionContext(cur *instruction, regs []re
as = load.asFpuLoad
sizeInBits = 128
}
as(operandNR(v),
addressMode{
mode := m.amodePool.Allocate()
*mode = addressMode{
kind: addressModeKindRegUnsignedImm12,
// Execution context is always the first argument.
rn: x0VReg, imm: offset,
}, sizeInBits)
}
as(v, mode, sizeInBits)
cur = linkInstr(cur, load)
offset += 16 // Imm12 must be aligned 16 for vector regs, so we unconditionally load regs at the offset of multiple of 16.
}
@ -324,11 +327,9 @@ func (m *machine) setExitCode(cur *instruction, execCtr regalloc.VReg, exitCode
// Set the exit status on the execution context.
setExistStatus := m.allocateInstr()
setExistStatus.asStore(operandNR(constReg),
addressMode{
kind: addressModeKindRegUnsignedImm12,
rn: execCtr, imm: wazevoapi.ExecutionContextOffsetExitCodeOffset.I64(),
}, 32)
mode := m.amodePool.Allocate()
*mode = addressMode{kind: addressModeKindRegUnsignedImm12, rn: execCtr, imm: wazevoapi.ExecutionContextOffsetExitCodeOffset.I64()}
setExistStatus.asStore(operandNR(constReg), mode, 32)
cur = linkInstr(cur, setExistStatus)
return cur
}
@ -340,12 +341,13 @@ func (m *machine) storeReturnAddressAndExit(cur *instruction) *instruction {
cur = linkInstr(cur, adr)
storeReturnAddr := m.allocateInstr()
storeReturnAddr.asStore(operandNR(tmpRegVReg),
addressMode{
mode := m.amodePool.Allocate()
*mode = addressMode{
kind: addressModeKindRegUnsignedImm12,
// Execution context is always the first argument.
rn: x0VReg, imm: wazevoapi.ExecutionContextOffsetGoCallReturnAddress.I64(),
}, 64)
}
storeReturnAddr.asStore(operandNR(tmpRegVReg), mode, 64)
cur = linkInstr(cur, storeReturnAddr)
// Exit the execution.
@ -364,11 +366,12 @@ func (m *machine) saveCurrentStackPointer(cur *instruction, execCtr regalloc.VRe
cur = linkInstr(cur, movSp)
strSp := m.allocateInstr()
strSp.asStore(operandNR(tmpRegVReg),
addressMode{
mode := m.amodePool.Allocate()
*mode = addressMode{
kind: addressModeKindRegUnsignedImm12,
rn: execCtr, imm: wazevoapi.ExecutionContextOffsetStackPointerBeforeGoCall.I64(),
}, 64)
}
strSp.asStore(operandNR(tmpRegVReg), mode, 64)
cur = linkInstr(cur, strSp)
return cur
}
@ -376,27 +379,28 @@ func (m *machine) saveCurrentStackPointer(cur *instruction, execCtr regalloc.VRe
func (m *machine) goFunctionCallLoadStackArg(cur *instruction, originalArg0Reg regalloc.VReg, arg *backend.ABIArg, intVReg, floatVReg regalloc.VReg) (*instruction, regalloc.VReg) {
load := m.allocateInstr()
var result regalloc.VReg
mode := addressMode{kind: addressModeKindPostIndex, rn: originalArg0Reg}
mode := m.amodePool.Allocate()
*mode = addressMode{kind: addressModeKindPostIndex, rn: originalArg0Reg}
switch arg.Type {
case ssa.TypeI32:
mode.imm = 8 // We use uint64 for all basic types, except SIMD v128.
load.asULoad(operandNR(intVReg), mode, 32)
load.asULoad(intVReg, mode, 32)
result = intVReg
case ssa.TypeI64:
mode.imm = 8 // We use uint64 for all basic types, except SIMD v128.
load.asULoad(operandNR(intVReg), mode, 64)
load.asULoad(intVReg, mode, 64)
result = intVReg
case ssa.TypeF32:
mode.imm = 8 // We use uint64 for all basic types, except SIMD v128.
load.asFpuLoad(operandNR(floatVReg), mode, 32)
load.asFpuLoad(floatVReg, mode, 32)
result = floatVReg
case ssa.TypeF64:
mode.imm = 8 // We use uint64 for all basic types, except SIMD v128.
load.asFpuLoad(operandNR(floatVReg), mode, 64)
load.asFpuLoad(floatVReg, mode, 64)
result = floatVReg
case ssa.TypeV128:
mode.imm = 16
load.asFpuLoad(operandNR(floatVReg), mode, 128)
load.asFpuLoad(floatVReg, mode, 128)
result = floatVReg
default:
panic("TODO")
@ -408,7 +412,8 @@ func (m *machine) goFunctionCallLoadStackArg(cur *instruction, originalArg0Reg r
func (m *machine) goFunctionCallStoreStackResult(cur *instruction, originalRet0Reg regalloc.VReg, result *backend.ABIArg, resultVReg regalloc.VReg) *instruction {
store := m.allocateInstr()
mode := addressMode{kind: addressModeKindPostIndex, rn: originalRet0Reg}
mode := m.amodePool.Allocate()
*mode = addressMode{kind: addressModeKindPostIndex, rn: originalRet0Reg}
var sizeInBits byte
switch result.Type {
case ssa.TypeI32, ssa.TypeF32:

438
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/backend/isa/arm64/instr.go generated vendored
View File

File diff suppressed because it is too large Load Diff

136
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/backend/isa/arm64/instr_encoding.go generated vendored
View File

@ -44,12 +44,12 @@ func (i *instruction) encode(m *machine) {
case callInd:
c.Emit4Bytes(encodeUnconditionalBranchReg(regNumberInEncoding[i.rn.realReg()], true))
case store8, store16, store32, store64, fpuStore32, fpuStore64, fpuStore128:
c.Emit4Bytes(encodeLoadOrStore(i.kind, regNumberInEncoding[i.rn.realReg()], i.amode))
c.Emit4Bytes(encodeLoadOrStore(i.kind, regNumberInEncoding[i.rn.realReg()], *i.getAmode()))
case uLoad8, uLoad16, uLoad32, uLoad64, sLoad8, sLoad16, sLoad32, fpuLoad32, fpuLoad64, fpuLoad128:
c.Emit4Bytes(encodeLoadOrStore(i.kind, regNumberInEncoding[i.rd.realReg()], i.amode))
c.Emit4Bytes(encodeLoadOrStore(i.kind, regNumberInEncoding[i.rd.RealReg()], *i.getAmode()))
case vecLoad1R:
c.Emit4Bytes(encodeVecLoad1R(
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
vecArrangement(i.u1)))
case condBr:
@ -75,22 +75,22 @@ func (i *instruction) encode(m *machine) {
panic("BUG")
}
case movN:
c.Emit4Bytes(encodeMoveWideImmediate(0b00, regNumberInEncoding[i.rd.realReg()], i.u1, i.u2, i.u3))
c.Emit4Bytes(encodeMoveWideImmediate(0b00, regNumberInEncoding[i.rd.RealReg()], i.u1, uint32(i.u2), uint32(i.u2>>32)))
case movZ:
c.Emit4Bytes(encodeMoveWideImmediate(0b10, regNumberInEncoding[i.rd.realReg()], i.u1, i.u2, i.u3))
c.Emit4Bytes(encodeMoveWideImmediate(0b10, regNumberInEncoding[i.rd.RealReg()], i.u1, uint32(i.u2), uint32(i.u2>>32)))
case movK:
c.Emit4Bytes(encodeMoveWideImmediate(0b11, regNumberInEncoding[i.rd.realReg()], i.u1, i.u2, i.u3))
c.Emit4Bytes(encodeMoveWideImmediate(0b11, regNumberInEncoding[i.rd.RealReg()], i.u1, uint32(i.u2), uint32(i.u2>>32)))
case mov32:
to, from := i.rd.realReg(), i.rn.realReg()
to, from := i.rd.RealReg(), i.rn.realReg()
c.Emit4Bytes(encodeAsMov32(regNumberInEncoding[from], regNumberInEncoding[to]))
case mov64:
to, from := i.rd.realReg(), i.rn.realReg()
to, from := i.rd.RealReg(), i.rn.realReg()
toIsSp := to == sp
fromIsSp := from == sp
c.Emit4Bytes(encodeMov64(regNumberInEncoding[to], regNumberInEncoding[from], toIsSp, fromIsSp))
case loadP64, storeP64:
rt, rt2 := regNumberInEncoding[i.rn.realReg()], regNumberInEncoding[i.rm.realReg()]
amode := i.amode
amode := i.getAmode()
rn := regNumberInEncoding[amode.rn.RealReg()]
var pre bool
switch amode.kind {
@ -102,21 +102,21 @@ func (i *instruction) encode(m *machine) {
}
c.Emit4Bytes(encodePreOrPostIndexLoadStorePair64(pre, kind == loadP64, rn, rt, rt2, amode.imm))
case loadFpuConst32:
rd := regNumberInEncoding[i.rd.realReg()]
rd := regNumberInEncoding[i.rd.RealReg()]
if i.u1 == 0 {
c.Emit4Bytes(encodeVecRRR(vecOpEOR, rd, rd, rd, vecArrangement8B))
} else {
encodeLoadFpuConst32(c, rd, i.u1)
}
case loadFpuConst64:
rd := regNumberInEncoding[i.rd.realReg()]
rd := regNumberInEncoding[i.rd.RealReg()]
if i.u1 == 0 {
c.Emit4Bytes(encodeVecRRR(vecOpEOR, rd, rd, rd, vecArrangement8B))
} else {
encodeLoadFpuConst64(c, regNumberInEncoding[i.rd.realReg()], i.u1)
encodeLoadFpuConst64(c, regNumberInEncoding[i.rd.RealReg()], i.u1)
}
case loadFpuConst128:
rd := regNumberInEncoding[i.rd.realReg()]
rd := regNumberInEncoding[i.rd.RealReg()]
lo, hi := i.u1, i.u2
if lo == 0 && hi == 0 {
c.Emit4Bytes(encodeVecRRR(vecOpEOR, rd, rd, rd, vecArrangement16B))
@ -126,35 +126,35 @@ func (i *instruction) encode(m *machine) {
case aluRRRR:
c.Emit4Bytes(encodeAluRRRR(
aluOp(i.u1),
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
regNumberInEncoding[i.rm.realReg()],
regNumberInEncoding[i.ra.realReg()],
uint32(i.u3),
regNumberInEncoding[regalloc.VReg(i.u2).RealReg()],
uint32(i.u1>>32),
))
case aluRRImmShift:
c.Emit4Bytes(encodeAluRRImm(
aluOp(i.u1),
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
uint32(i.rm.shiftImm()),
uint32(i.u3),
uint32(i.u2>>32),
))
case aluRRR:
rn := i.rn.realReg()
c.Emit4Bytes(encodeAluRRR(
aluOp(i.u1),
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[rn],
regNumberInEncoding[i.rm.realReg()],
i.u3 == 1,
i.u2>>32 == 1,
rn == sp,
))
case aluRRRExtend:
rm, exo, to := i.rm.er()
c.Emit4Bytes(encodeAluRRRExtend(
aluOp(i.u1),
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
regNumberInEncoding[rm.RealReg()],
exo,
@ -164,25 +164,25 @@ func (i *instruction) encode(m *machine) {
r, amt, sop := i.rm.sr()
c.Emit4Bytes(encodeAluRRRShift(
aluOp(i.u1),
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
regNumberInEncoding[r.RealReg()],
uint32(amt),
sop,
i.u3 == 1,
i.u2>>32 == 1,
))
case aluRRBitmaskImm:
c.Emit4Bytes(encodeAluBitmaskImmediate(
aluOp(i.u1),
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
i.u2,
i.u3 == 1,
i.u1>>32 == 1,
))
case bitRR:
c.Emit4Bytes(encodeBitRR(
bitOp(i.u1),
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
uint32(i.u2)),
)
@ -190,22 +190,22 @@ func (i *instruction) encode(m *machine) {
imm12, shift := i.rm.imm12()
c.Emit4Bytes(encodeAluRRImm12(
aluOp(i.u1),
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
imm12, shift,
i.u3 == 1,
i.u2>>32 == 1,
))
case fpuRRR:
c.Emit4Bytes(encodeFpuRRR(
fpuBinOp(i.u1),
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
regNumberInEncoding[i.rm.realReg()],
i.u3 == 1,
i.u2 == 1,
))
case fpuMov64, fpuMov128:
// https://developer.arm.com/documentation/ddi0596/2021-12/SIMD-FP-Instructions/MOV--vector---Move-vector--an-alias-of-ORR--vector--register--
rd := regNumberInEncoding[i.rd.realReg()]
rd := regNumberInEncoding[i.rd.RealReg()]
rn := regNumberInEncoding[i.rn.realReg()]
var q uint32
if kind == fpuMov128 {
@ -213,7 +213,7 @@ func (i *instruction) encode(m *machine) {
}
c.Emit4Bytes(q<<30 | 0b1110101<<21 | rn<<16 | 0b000111<<10 | rn<<5 | rd)
case cSet:
rd := regNumberInEncoding[i.rd.realReg()]
rd := regNumberInEncoding[i.rd.RealReg()]
cf := condFlag(i.u1)
if i.u2 == 1 {
// https://developer.arm.com/documentation/ddi0602/2022-03/Base-Instructions/CSETM--Conditional-Set-Mask--an-alias-of-CSINV-
@ -225,12 +225,12 @@ func (i *instruction) encode(m *machine) {
c.Emit4Bytes(0b1001101010011111<<16 | uint32(cf.invert())<<12 | 0b111111<<5 | rd)
}
case extend:
c.Emit4Bytes(encodeExtend(i.u3 == 1, byte(i.u1), byte(i.u2), regNumberInEncoding[i.rd.realReg()], regNumberInEncoding[i.rn.realReg()]))
c.Emit4Bytes(encodeExtend((i.u2>>32) == 1, byte(i.u1), byte(i.u2), regNumberInEncoding[i.rd.RealReg()], regNumberInEncoding[i.rn.realReg()]))
case fpuCmp:
// https://developer.arm.com/documentation/ddi0596/2020-12/SIMD-FP-Instructions/FCMP--Floating-point-quiet-Compare--scalar--?lang=en
rn, rm := regNumberInEncoding[i.rn.realReg()], regNumberInEncoding[i.rm.realReg()]
var ftype uint32
if i.u3 == 1 {
if i.u1 == 1 {
ftype = 0b01 // double precision.
}
c.Emit4Bytes(0b1111<<25 | ftype<<22 | 1<<21 | rm<<16 | 0b1<<13 | rn<<5)
@ -242,34 +242,34 @@ func (i *instruction) encode(m *machine) {
c.Emit4Bytes(0)
}
case adr:
c.Emit4Bytes(encodeAdr(regNumberInEncoding[i.rd.realReg()], uint32(i.u1)))
c.Emit4Bytes(encodeAdr(regNumberInEncoding[i.rd.RealReg()], uint32(i.u1)))
case cSel:
c.Emit4Bytes(encodeConditionalSelect(
kind,
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
regNumberInEncoding[i.rm.realReg()],
condFlag(i.u1),
i.u3 == 1,
i.u2 == 1,
))
case fpuCSel:
c.Emit4Bytes(encodeFpuCSel(
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
regNumberInEncoding[i.rm.realReg()],
condFlag(i.u1),
i.u3 == 1,
i.u2 == 1,
))
case movToVec:
c.Emit4Bytes(encodeMoveToVec(
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
vecArrangement(byte(i.u1)),
vecIndex(i.u2),
))
case movFromVec, movFromVecSigned:
c.Emit4Bytes(encodeMoveFromVec(
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
vecArrangement(byte(i.u1)),
vecIndex(i.u2),
@ -277,18 +277,18 @@ func (i *instruction) encode(m *machine) {
))
case vecDup:
c.Emit4Bytes(encodeVecDup(
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
vecArrangement(byte(i.u1))))
case vecDupElement:
c.Emit4Bytes(encodeVecDupElement(
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
vecArrangement(byte(i.u1)),
vecIndex(i.u2)))
case vecExtract:
c.Emit4Bytes(encodeVecExtract(
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
regNumberInEncoding[i.rm.realReg()],
vecArrangement(byte(i.u1)),
@ -296,35 +296,35 @@ func (i *instruction) encode(m *machine) {
case vecPermute:
c.Emit4Bytes(encodeVecPermute(
vecOp(i.u1),
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
regNumberInEncoding[i.rm.realReg()],
vecArrangement(byte(i.u2))))
case vecMovElement:
c.Emit4Bytes(encodeVecMovElement(
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
vecArrangement(i.u1),
uint32(i.u2), uint32(i.u3),
uint32(i.u2), uint32(i.u2>>32),
))
case vecMisc:
c.Emit4Bytes(encodeAdvancedSIMDTwoMisc(
vecOp(i.u1),
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
vecArrangement(i.u2),
))
case vecLanes:
c.Emit4Bytes(encodeVecLanes(
vecOp(i.u1),
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
vecArrangement(i.u2),
))
case vecShiftImm:
c.Emit4Bytes(encodeVecShiftImm(
vecOp(i.u1),
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
uint32(i.rm.shiftImm()),
vecArrangement(i.u2),
@ -332,7 +332,7 @@ func (i *instruction) encode(m *machine) {
case vecTbl:
c.Emit4Bytes(encodeVecTbl(
1,
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
regNumberInEncoding[i.rm.realReg()],
vecArrangement(i.u2)),
@ -340,7 +340,7 @@ func (i *instruction) encode(m *machine) {
case vecTbl2:
c.Emit4Bytes(encodeVecTbl(
2,
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
regNumberInEncoding[i.rm.realReg()],
vecArrangement(i.u2)),
@ -353,9 +353,9 @@ func (i *instruction) encode(m *machine) {
case fpuRR:
c.Emit4Bytes(encodeFloatDataOneSource(
fpuUniOp(i.u1),
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
i.u3 == 1,
i.u2 == 1,
))
case vecRRR:
if op := vecOp(i.u1); op == vecOpBsl || op == vecOpBit || op == vecOpUmlal {
@ -365,14 +365,14 @@ func (i *instruction) encode(m *machine) {
case vecRRRRewrite:
c.Emit4Bytes(encodeVecRRR(
vecOp(i.u1),
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
regNumberInEncoding[i.rm.realReg()],
vecArrangement(i.u2),
))
case cCmpImm:
// Conditional compare (immediate) in https://developer.arm.com/documentation/ddi0596/2020-12/Index-by-Encoding/Data-Processing----Register?lang=en
sf := uint32(i.u3 & 0b1)
sf := uint32((i.u2 >> 32) & 0b1)
nzcv := uint32(i.u2 & 0b1111)
cond := uint32(condFlag(i.u1))
imm := uint32(i.rm.data & 0b11111)
@ -381,7 +381,7 @@ func (i *instruction) encode(m *machine) {
sf<<31 | 0b111101001<<22 | imm<<16 | cond<<12 | 0b1<<11 | rn<<5 | nzcv,
)
case movFromFPSR:
rt := regNumberInEncoding[i.rd.realReg()]
rt := regNumberInEncoding[i.rd.RealReg()]
c.Emit4Bytes(encodeSystemRegisterMove(rt, true))
case movToFPSR:
rt := regNumberInEncoding[i.rn.realReg()]
@ -390,13 +390,13 @@ func (i *instruction) encode(m *machine) {
c.Emit4Bytes(encodeAtomicRmw(
atomicRmwOp(i.u1),
regNumberInEncoding[i.rm.realReg()],
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rn.realReg()],
uint32(i.u2),
))
case atomicCas:
c.Emit4Bytes(encodeAtomicCas(
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
regNumberInEncoding[i.rm.realReg()],
regNumberInEncoding[i.rn.realReg()],
uint32(i.u2),
@ -404,7 +404,7 @@ func (i *instruction) encode(m *machine) {
case atomicLoad:
c.Emit4Bytes(encodeAtomicLoadStore(
regNumberInEncoding[i.rn.realReg()],
regNumberInEncoding[i.rd.realReg()],
regNumberInEncoding[i.rd.RealReg()],
uint32(i.u2),
1,
))
@ -810,7 +810,7 @@ func encodeFloatDataOneSource(op fpuUniOp, rd, rn uint32, dst64bit bool) uint32
// encodeCnvBetweenFloatInt encodes as "Conversion between floating-point and integer" in
// https://developer.arm.com/documentation/ddi0596/2020-12/Index-by-Encoding/Data-Processing----Scalar-Floating-Point-and-Advanced-SIMD?lang=en
func encodeCnvBetweenFloatInt(i *instruction) uint32 {
rd := regNumberInEncoding[i.rd.realReg()]
rd := regNumberInEncoding[i.rd.RealReg()]
rn := regNumberInEncoding[i.rn.realReg()]
var opcode uint32
@ -822,8 +822,8 @@ func encodeCnvBetweenFloatInt(i *instruction) uint32 {
rmode = 0b00
signed := i.u1 == 1
src64bit := i.u2 == 1
dst64bit := i.u3 == 1
src64bit := i.u2&1 != 0
dst64bit := i.u2&2 != 0
if signed {
opcode = 0b010
} else {
@ -841,8 +841,8 @@ func encodeCnvBetweenFloatInt(i *instruction) uint32 {
rmode = 0b11
signed := i.u1 == 1
src64bit := i.u2 == 1
dst64bit := i.u3 == 1
src64bit := i.u2&1 != 0
dst64bit := i.u2&2 != 0
if signed {
opcode = 0b000
@ -1787,13 +1787,13 @@ func encodeCBZCBNZ(rt uint32, nz bool, imm19 uint32, _64bit bool) (ret uint32) {
// https://developer.arm.com/documentation/ddi0596/2020-12/Index-by-Encoding/Data-Processing----Immediate?lang=en
//
// "shift" must have been divided by 16 at this point.
func encodeMoveWideImmediate(opc uint32, rd uint32, imm, shift, _64bit uint64) (ret uint32) {
func encodeMoveWideImmediate(opc uint32, rd uint32, imm uint64, shift, _64bit uint32) (ret uint32) {
ret = rd
ret |= uint32(imm&0xffff) << 5
ret |= (uint32(shift)) << 21
ret |= (shift) << 21
ret |= 0b100101 << 23
ret |= opc << 29
ret |= uint32(_64bit) << 31
ret |= _64bit << 31
return
}

6
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/backend/isa/arm64/lower_constant.go generated vendored
View File

@ -284,18 +284,18 @@ func (m *machine) load64bitConst(c int64, dst regalloc.VReg) {
func (m *machine) insertMOVZ(dst regalloc.VReg, v uint64, shift int, dst64 bool) {
instr := m.allocateInstr()
instr.asMOVZ(dst, v, uint64(shift), dst64)
instr.asMOVZ(dst, v, uint32(shift), dst64)
m.insert(instr)
}
func (m *machine) insertMOVK(dst regalloc.VReg, v uint64, shift int, dst64 bool) {
instr := m.allocateInstr()
instr.asMOVK(dst, v, uint64(shift), dst64)
instr.asMOVK(dst, v, uint32(shift), dst64)
m.insert(instr)
}
func (m *machine) insertMOVN(dst regalloc.VReg, v uint64, shift int, dst64 bool) {
instr := m.allocateInstr()
instr.asMOVN(dst, v, uint64(shift), dst64)
instr.asMOVN(dst, v, uint32(shift), dst64)
m.insert(instr)
}

367
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/backend/isa/arm64/lower_instr.go generated vendored
View File

File diff suppressed because it is too large Load Diff

59
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/backend/isa/arm64/lower_mem.go generated vendored
View File

@ -24,6 +24,14 @@ type (
addressModeKind byte
)
func resetAddressMode(a *addressMode) {
a.kind = 0
a.rn = 0
a.rm = 0
a.extOp = 0
a.imm = 0
}
const (
// addressModeKindRegExtended takes a base register and an index register. The index register is sign/zero-extended,
// and then scaled by bits(type)/8.
@ -140,15 +148,17 @@ func (a addressMode) format(dstSizeBits byte) (ret string) {
return
}
func addressModePreOrPostIndex(rn regalloc.VReg, imm int64, preIndex bool) addressMode {
func addressModePreOrPostIndex(m *machine, rn regalloc.VReg, imm int64, preIndex bool) *addressMode {
if !offsetFitsInAddressModeKindRegSignedImm9(imm) {
panic(fmt.Sprintf("BUG: offset %#x does not fit in addressModeKindRegSignedImm9", imm))
}
mode := m.amodePool.Allocate()
if preIndex {
return addressMode{kind: addressModeKindPreIndex, rn: rn, imm: imm}
*mode = addressMode{kind: addressModeKindPreIndex, rn: rn, imm: imm}
} else {
return addressMode{kind: addressModeKindPostIndex, rn: rn, imm: imm}
*mode = addressMode{kind: addressModeKindPostIndex, rn: rn, imm: imm}
}
return mode
}
func offsetFitsInAddressModeKindRegUnsignedImm12(dstSizeInBits byte, offset int64) bool {
@ -207,9 +217,9 @@ func (m *machine) lowerExtLoad(op ssa.Opcode, ptr ssa.Value, offset uint32, ret
amode := m.lowerToAddressMode(ptr, offset, size)
load := m.allocateInstr()
if signed {
load.asSLoad(operandNR(ret), amode, size)
load.asSLoad(ret, amode, size)
} else {
load.asULoad(operandNR(ret), amode, size)
load.asULoad(ret, amode, size)
}
m.insert(load)
}
@ -221,11 +231,11 @@ func (m *machine) lowerLoad(ptr ssa.Value, offset uint32, typ ssa.Type, ret ssa.
load := m.allocateInstr()
switch typ {
case ssa.TypeI32, ssa.TypeI64:
load.asULoad(operandNR(dst), amode, typ.Bits())
load.asULoad(dst, amode, typ.Bits())
case ssa.TypeF32, ssa.TypeF64:
load.asFpuLoad(operandNR(dst), amode, typ.Bits())
load.asFpuLoad(dst, amode, typ.Bits())
case ssa.TypeV128:
load.asFpuLoad(operandNR(dst), amode, 128)
load.asFpuLoad(dst, amode, 128)
default:
panic("TODO")
}
@ -239,7 +249,7 @@ func (m *machine) lowerLoadSplat(ptr ssa.Value, offset uint32, lane ssa.VecLane,
m.lowerConstantI64(offsetReg, int64(offset))
addedBase := m.addReg64ToReg64(base, offsetReg)
rd := operandNR(m.compiler.VRegOf(ret))
rd := m.compiler.VRegOf(ret)
ld1r := m.allocateInstr()
ld1r.asVecLoad1R(rd, operandNR(addedBase), ssaLaneToArrangement(lane))
@ -258,7 +268,7 @@ func (m *machine) lowerStore(si *ssa.Instruction) {
}
// lowerToAddressMode converts a pointer to an addressMode that can be used as an operand for load/store instructions.
func (m *machine) lowerToAddressMode(ptr ssa.Value, offsetBase uint32, size byte) (amode addressMode) {
func (m *machine) lowerToAddressMode(ptr ssa.Value, offsetBase uint32, size byte) (amode *addressMode) {
// TODO: currently the instruction selection logic doesn't support addressModeKindRegScaledExtended and
// addressModeKindRegScaled since collectAddends doesn't take ssa.OpcodeIshl into account. This should be fixed
// to support more efficient address resolution.
@ -272,32 +282,33 @@ func (m *machine) lowerToAddressMode(ptr ssa.Value, offsetBase uint32, size byte
// During the construction, this might emit additional instructions.
//
// Extracted as a separate function for easy testing.
func (m *machine) lowerToAddressModeFromAddends(a32s *wazevoapi.Queue[addend32], a64s *wazevoapi.Queue[regalloc.VReg], size byte, offset int64) (amode addressMode) {
func (m *machine) lowerToAddressModeFromAddends(a32s *wazevoapi.Queue[addend32], a64s *wazevoapi.Queue[regalloc.VReg], size byte, offset int64) (amode *addressMode) {
amode = m.amodePool.Allocate()
switch a64sExist, a32sExist := !a64s.Empty(), !a32s.Empty(); {
case a64sExist && a32sExist:
var base regalloc.VReg
base = a64s.Dequeue()
var a32 addend32
a32 = a32s.Dequeue()
amode = addressMode{kind: addressModeKindRegExtended, rn: base, rm: a32.r, extOp: a32.ext}
*amode = addressMode{kind: addressModeKindRegExtended, rn: base, rm: a32.r, extOp: a32.ext}
case a64sExist && offsetFitsInAddressModeKindRegUnsignedImm12(size, offset):
var base regalloc.VReg
base = a64s.Dequeue()
amode = addressMode{kind: addressModeKindRegUnsignedImm12, rn: base, imm: offset}
*amode = addressMode{kind: addressModeKindRegUnsignedImm12, rn: base, imm: offset}
offset = 0
case a64sExist && offsetFitsInAddressModeKindRegSignedImm9(offset):
var base regalloc.VReg
base = a64s.Dequeue()
amode = addressMode{kind: addressModeKindRegSignedImm9, rn: base, imm: offset}
*amode = addressMode{kind: addressModeKindRegSignedImm9, rn: base, imm: offset}
offset = 0
case a64sExist:
var base regalloc.VReg
base = a64s.Dequeue()
if !a64s.Empty() {
index := a64s.Dequeue()
amode = addressMode{kind: addressModeKindRegReg, rn: base, rm: index, extOp: extendOpUXTX /* indicates index reg is 64-bit */}
*amode = addressMode{kind: addressModeKindRegReg, rn: base, rm: index, extOp: extendOpUXTX /* indicates index reg is 64-bit */}
} else {
amode = addressMode{kind: addressModeKindRegUnsignedImm12, rn: base, imm: 0}
*amode = addressMode{kind: addressModeKindRegUnsignedImm12, rn: base, imm: 0}
}
case a32sExist:
base32 := a32s.Dequeue()
@ -314,14 +325,14 @@ func (m *machine) lowerToAddressModeFromAddends(a32s *wazevoapi.Queue[addend32],
if !a32s.Empty() {
index := a32s.Dequeue()
amode = addressMode{kind: addressModeKindRegExtended, rn: base, rm: index.r, extOp: index.ext}
*amode = addressMode{kind: addressModeKindRegExtended, rn: base, rm: index.r, extOp: index.ext}
} else {
amode = addressMode{kind: addressModeKindRegUnsignedImm12, rn: base, imm: 0}
*amode = addressMode{kind: addressModeKindRegUnsignedImm12, rn: base, imm: 0}
}
default: // Only static offsets.
tmpReg := m.compiler.AllocateVReg(ssa.TypeI64)
m.lowerConstantI64(tmpReg, offset)
amode = addressMode{kind: addressModeKindRegUnsignedImm12, rn: tmpReg, imm: 0}
*amode = addressMode{kind: addressModeKindRegUnsignedImm12, rn: tmpReg, imm: 0}
offset = 0
}
@ -411,13 +422,13 @@ func (m *machine) addConstToReg64(r regalloc.VReg, c int64) (rd regalloc.VReg) {
rd = m.compiler.AllocateVReg(ssa.TypeI64)
alu := m.allocateInstr()
if imm12Op, ok := asImm12Operand(uint64(c)); ok {
alu.asALU(aluOpAdd, operandNR(rd), operandNR(r), imm12Op, true)
alu.asALU(aluOpAdd, rd, operandNR(r), imm12Op, true)
} else if imm12Op, ok = asImm12Operand(uint64(-c)); ok {
alu.asALU(aluOpSub, operandNR(rd), operandNR(r), imm12Op, true)
alu.asALU(aluOpSub, rd, operandNR(r), imm12Op, true)
} else {
tmp := m.compiler.AllocateVReg(ssa.TypeI64)
m.load64bitConst(c, tmp)
alu.asALU(aluOpAdd, operandNR(rd), operandNR(r), operandNR(tmp), true)
alu.asALU(aluOpAdd, rd, operandNR(r), operandNR(tmp), true)
}
m.insert(alu)
return
@ -426,7 +437,7 @@ func (m *machine) addConstToReg64(r regalloc.VReg, c int64) (rd regalloc.VReg) {
func (m *machine) addReg64ToReg64(rn, rm regalloc.VReg) (rd regalloc.VReg) {
rd = m.compiler.AllocateVReg(ssa.TypeI64)
alu := m.allocateInstr()
alu.asALU(aluOpAdd, operandNR(rd), operandNR(rn), operandNR(rm), true)
alu.asALU(aluOpAdd, rd, operandNR(rn), operandNR(rm), true)
m.insert(alu)
return
}
@ -434,7 +445,7 @@ func (m *machine) addReg64ToReg64(rn, rm regalloc.VReg) (rd regalloc.VReg) {
func (m *machine) addRegToReg64Ext(rn, rm regalloc.VReg, ext extendOp) (rd regalloc.VReg) {
rd = m.compiler.AllocateVReg(ssa.TypeI64)
alu := m.allocateInstr()
alu.asALU(aluOpAdd, operandNR(rd), operandNR(rn), operandER(rm, ext, 64), true)
alu.asALU(aluOpAdd, rd, operandNR(rn), operandER(rm, ext, 64), true)
m.insert(alu)
return
}

17
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/backend/isa/arm64/machine.go generated vendored
View File

@ -21,6 +21,8 @@ type (
regAlloc regalloc.Allocator
regAllocFn *backend.RegAllocFunction[*instruction, *machine]
amodePool wazevoapi.Pool[addressMode]
// addendsWorkQueue is used during address lowering, defined here for reuse.
addendsWorkQueue wazevoapi.Queue[ssa.Value]
addends32 wazevoapi.Queue[addend32]
@ -105,6 +107,7 @@ func NewBackend() backend.Machine {
spillSlots: make(map[regalloc.VRegID]int64),
executableContext: newExecutableContext(),
regAlloc: regalloc.NewAllocator(regInfo),
amodePool: wazevoapi.NewPool[addressMode](resetAddressMode),
}
return m
}
@ -149,6 +152,7 @@ func (m *machine) Reset() {
m.maxRequiredStackSizeForCalls = 0
m.executableContext.Reset()
m.jmpTableTargets = m.jmpTableTargets[:0]
m.amodePool.Reset()
}
// SetCurrentABI implements backend.Machine SetCurrentABI.
@ -183,9 +187,8 @@ func (m *machine) allocateBrTarget() (nop *instruction, l label) {
l = ectx.AllocateLabel()
nop = m.allocateInstr()
nop.asNop0WithLabel(l)
pos := ectx.AllocateLabelPosition(l)
pos := ectx.GetOrAllocateLabelPosition(l)
pos.Begin, pos.End = nop, nop
ectx.LabelPositions[l] = pos
return
}
@ -209,7 +212,7 @@ func (m *machine) allocateNop() *instruction {
}
func (m *machine) resolveAddressingMode(arg0offset, ret0offset int64, i *instruction) {
amode := &i.amode
amode := i.getAmode()
switch amode.kind {
case addressModeKindResultStackSpace:
amode.imm += ret0offset
@ -281,7 +284,7 @@ func (m *machine) resolveRelativeAddresses(ctx context.Context) {
switch cur.kind {
case nop0:
l := cur.nop0Label()
if pos, ok := ectx.LabelPositions[l]; ok {
if pos := ectx.LabelPositions[l]; pos != nil {
pos.BinaryOffset = offset + size
}
case condBr:
@ -428,8 +431,10 @@ func (m *machine) insertConditionalJumpTrampoline(cbr *instruction, currentBlk *
func (m *machine) Format() string {
ectx := m.executableContext
begins := map[*instruction]label{}
for l, pos := range ectx.LabelPositions {
begins[pos.Begin] = l
for _, pos := range ectx.LabelPositions {
if pos != nil {
begins[pos.Begin] = pos.L
}
}
irBlocks := map[label]ssa.BasicBlockID{}

45
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/backend/isa/arm64/machine_pro_epi_logue.go generated vendored
View File

@ -70,7 +70,7 @@ func (m *machine) setupPrologue() {
// +-----------------+ <----- SP
// (low address)
//
_amode := addressModePreOrPostIndex(spVReg,
_amode := addressModePreOrPostIndex(m, spVReg,
-16, // stack pointer must be 16-byte aligned.
true, // Decrement before store.
)
@ -159,7 +159,7 @@ func (m *machine) createReturnAddrAndSizeOfArgRetSlot(cur *instruction) *instruc
sizeOfArgRetReg = tmpRegVReg
subSp := m.allocateInstr()
subSp.asALU(aluOpSub, operandNR(spVReg), operandNR(spVReg), operandNR(sizeOfArgRetReg), true)
subSp.asALU(aluOpSub, spVReg, operandNR(spVReg), operandNR(sizeOfArgRetReg), true)
cur = linkInstr(cur, subSp)
} else {
sizeOfArgRetReg = xzrVReg
@ -168,7 +168,7 @@ func (m *machine) createReturnAddrAndSizeOfArgRetSlot(cur *instruction) *instruc
// Saves the return address (lr) and the size_of_arg_ret below the SP.
// size_of_arg_ret is used for stack unwinding.
pstr := m.allocateInstr()
amode := addressModePreOrPostIndex(spVReg, -16, true /* decrement before store */)
amode := addressModePreOrPostIndex(m, spVReg, -16, true /* decrement before store */)
pstr.asStorePair64(lrVReg, sizeOfArgRetReg, amode)
cur = linkInstr(cur, pstr)
return cur
@ -182,7 +182,7 @@ func (m *machine) createFrameSizeSlot(cur *instruction, s int64) *instruction {
} else {
frameSizeReg = xzrVReg
}
_amode := addressModePreOrPostIndex(spVReg,
_amode := addressModePreOrPostIndex(m, spVReg,
-16, // stack pointer must be 16-byte aligned.
true, // Decrement before store.
)
@ -213,7 +213,7 @@ func (m *machine) postRegAlloc() {
m.executableContext.PendingInstructions = m.executableContext.PendingInstructions[:0]
default:
// Removes the redundant copy instruction.
if cur.IsCopy() && cur.rn.realReg() == cur.rd.realReg() {
if cur.IsCopy() && cur.rn.realReg() == cur.rd.RealReg() {
prev, next := cur.prev, cur.next
// Remove the copy instruction.
prev.next = next
@ -286,16 +286,16 @@ func (m *machine) setupEpilogueAfter(cur *instruction) {
for i := range m.clobberedRegs {
vr := m.clobberedRegs[l-i] // reverse order to restore.
load := m.allocateInstr()
amode := addressModePreOrPostIndex(spVReg,
amode := addressModePreOrPostIndex(m, spVReg,
16, // stack pointer must be 16-byte aligned.
false, // Increment after store.
)
// TODO: pair loads to reduce the number of instructions.
switch regTypeToRegisterSizeInBits(vr.RegType()) {
case 64: // save int reg.
load.asULoad(operandNR(vr), amode, 64)
load.asULoad(vr, amode, 64)
case 128: // save vector reg.
load.asFpuLoad(operandNR(vr), amode, 128)
load.asFpuLoad(vr, amode, 128)
}
cur = linkInstr(cur, load)
}
@ -317,8 +317,8 @@ func (m *machine) setupEpilogueAfter(cur *instruction) {
// SP----> +-----------------+
ldr := m.allocateInstr()
ldr.asULoad(operandNR(lrVReg),
addressModePreOrPostIndex(spVReg, 16 /* stack pointer must be 16-byte aligned. */, false /* increment after loads */), 64)
ldr.asULoad(lrVReg,
addressModePreOrPostIndex(m, spVReg, 16 /* stack pointer must be 16-byte aligned. */, false /* increment after loads */), 64)
cur = linkInstr(cur, ldr)
if s := int64(m.currentABI.AlignedArgResultStackSlotSize()); s > 0 {
@ -351,14 +351,14 @@ func (m *machine) insertStackBoundsCheck(requiredStackSize int64, cur *instructi
if immm12op, ok := asImm12Operand(uint64(requiredStackSize)); ok {
// sub tmp, sp, #requiredStackSize
sub := m.allocateInstr()
sub.asALU(aluOpSub, operandNR(tmpRegVReg), operandNR(spVReg), immm12op, true)
sub.asALU(aluOpSub, tmpRegVReg, operandNR(spVReg), immm12op, true)
cur = linkInstr(cur, sub)
} else {
// This case, we first load the requiredStackSize into the temporary register,
cur = m.lowerConstantI64AndInsert(cur, tmpRegVReg, requiredStackSize)
// Then subtract it.
sub := m.allocateInstr()
sub.asALU(aluOpSub, operandNR(tmpRegVReg), operandNR(spVReg), operandNR(tmpRegVReg), true)
sub.asALU(aluOpSub, tmpRegVReg, operandNR(spVReg), operandNR(tmpRegVReg), true)
cur = linkInstr(cur, sub)
}
@ -366,16 +366,18 @@ func (m *machine) insertStackBoundsCheck(requiredStackSize int64, cur *instructi
// ldr tmp2, [executionContext #StackBottomPtr]
ldr := m.allocateInstr()
ldr.asULoad(operandNR(tmp2), addressMode{
amode := m.amodePool.Allocate()
*amode = addressMode{
kind: addressModeKindRegUnsignedImm12,
rn: x0VReg, // execution context is always the first argument.
imm: wazevoapi.ExecutionContextOffsetStackBottomPtr.I64(),
}, 64)
}
ldr.asULoad(tmp2, amode, 64)
cur = linkInstr(cur, ldr)
// subs xzr, tmp, tmp2
subs := m.allocateInstr()
subs.asALU(aluOpSubS, operandNR(xzrVReg), operandNR(tmpRegVReg), operandNR(tmp2), true)
subs.asALU(aluOpSubS, xzrVReg, operandNR(tmpRegVReg), operandNR(tmp2), true)
cur = linkInstr(cur, subs)
// b.ge #imm
@ -388,22 +390,25 @@ func (m *machine) insertStackBoundsCheck(requiredStackSize int64, cur *instructi
// First load the requiredStackSize into the temporary register,
cur = m.lowerConstantI64AndInsert(cur, tmpRegVReg, requiredStackSize)
setRequiredStackSize := m.allocateInstr()
setRequiredStackSize.asStore(operandNR(tmpRegVReg),
addressMode{
amode := m.amodePool.Allocate()
*amode = addressMode{
kind: addressModeKindRegUnsignedImm12,
// Execution context is always the first argument.
rn: x0VReg, imm: wazevoapi.ExecutionContextOffsetStackGrowRequiredSize.I64(),
}, 64)
}
setRequiredStackSize.asStore(operandNR(tmpRegVReg), amode, 64)
cur = linkInstr(cur, setRequiredStackSize)
}
ldrAddress := m.allocateInstr()
ldrAddress.asULoad(operandNR(tmpRegVReg), addressMode{
amode2 := m.amodePool.Allocate()
*amode2 = addressMode{
kind: addressModeKindRegUnsignedImm12,
rn: x0VReg, // execution context is always the first argument
imm: wazevoapi.ExecutionContextOffsetStackGrowCallTrampolineAddress.I64(),
}, 64)
}
ldrAddress.asULoad(tmpRegVReg, amode2, 64)
cur = linkInstr(cur, ldrAddress)
// Then jumps to the stack grow call sequence's address, meaning

10
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/backend/isa/arm64/machine_regalloc.go generated vendored
View File

@ -91,7 +91,7 @@ func (m *machine) InsertStoreRegisterAt(v regalloc.VReg, instr *instruction, aft
}
offsetFromSP := m.getVRegSpillSlotOffsetFromSP(v.ID(), typ.Size())
var amode addressMode
var amode *addressMode
cur, amode = m.resolveAddressModeForOffsetAndInsert(cur, offsetFromSP, typ.Bits(), spVReg, true)
store := m.allocateInstr()
store.asStore(operandNR(v), amode, typ.Bits())
@ -116,16 +116,16 @@ func (m *machine) InsertReloadRegisterAt(v regalloc.VReg, instr *instruction, af
}
offsetFromSP := m.getVRegSpillSlotOffsetFromSP(v.ID(), typ.Size())
var amode addressMode
var amode *addressMode
cur, amode = m.resolveAddressModeForOffsetAndInsert(cur, offsetFromSP, typ.Bits(), spVReg, true)
load := m.allocateInstr()
switch typ {
case ssa.TypeI32, ssa.TypeI64:
load.asULoad(operandNR(v), amode, typ.Bits())
load.asULoad(v, amode, typ.Bits())
case ssa.TypeF32, ssa.TypeF64:
load.asFpuLoad(operandNR(v), amode, typ.Bits())
load.asFpuLoad(v, amode, typ.Bits())
case ssa.TypeV128:
load.asFpuLoad(operandNR(v), amode, 128)
load.asFpuLoad(v, amode, 128)
default:
panic("TODO")
}

6
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/backend/regalloc.go generated vendored
View File

@ -35,7 +35,7 @@ type (
iter int
reversePostOrderBlocks []RegAllocBlock[I, m]
// labelToRegAllocBlockIndex maps label to the index of reversePostOrderBlocks.
labelToRegAllocBlockIndex map[Label]int
labelToRegAllocBlockIndex [] /* Label to */ int
loopNestingForestRoots []ssa.BasicBlock
}
@ -59,7 +59,6 @@ func NewRegAllocFunction[I regalloc.InstrConstraint, M RegAllocFunctionMachine[I
m: m,
ssb: ssb,
c: c,
labelToRegAllocBlockIndex: make(map[Label]int),
}
}
@ -74,6 +73,9 @@ func (f *RegAllocFunction[I, M]) AddBlock(sb ssa.BasicBlock, l Label, begin, end
end: end,
id: int(sb.ID()),
})
if len(f.labelToRegAllocBlockIndex) <= int(l) {
f.labelToRegAllocBlockIndex = append(f.labelToRegAllocBlockIndex, make([]int, int(l)-len(f.labelToRegAllocBlockIndex)+1)...)
}
f.labelToRegAllocBlockIndex[l] = i
}

110
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/backend/regalloc/regalloc.go generated vendored
View File

@ -62,7 +62,6 @@ type (
// Followings are re-used during various places.
blks []Block
reals []RealReg
currentOccupants regInUseSet
// Following two fields are updated while iterating the blocks in the reverse postorder.
state state
@ -755,7 +754,8 @@ func (a *Allocator) allocBlock(f Function, blk Block) {
killSet := a.reals[:0]
// Gather the set of registers that will be used in the current instruction.
for _, use := range instr.Uses(&a.vs) {
uses := instr.Uses(&a.vs)
for _, use := range uses {
if use.IsRealReg() {
r := use.RealReg()
currentUsedSet = currentUsedSet.add(r)
@ -770,7 +770,7 @@ func (a *Allocator) allocBlock(f Function, blk Block) {
}
}
for i, use := range instr.Uses(&a.vs) {
for i, use := range uses {
if !use.IsRealReg() {
vs := s.getVRegState(use.ID())
killed := vs.lastUse == pc
@ -944,8 +944,7 @@ func (a *Allocator) allocBlock(f Function, blk Block) {
func (a *Allocator) releaseCallerSavedRegs(addrReg RealReg) {
s := &a.state
for i := 0; i < 64; i++ {
allocated := RealReg(i)
for allocated := RealReg(0); allocated < 64; allocated++ {
if allocated == addrReg { // If this is the call indirect, we should not touch the addr register.
continue
}
@ -974,11 +973,10 @@ func (a *Allocator) fixMergeState(f Function, blk Block) {
bID := blk.ID()
blkSt := a.getOrAllocateBlockState(bID)
desiredOccupants := &blkSt.startRegs
aliveOnRegVRegs := make(map[VReg]RealReg)
for i := 0; i < 64; i++ {
r := RealReg(i)
if v := blkSt.startRegs.get(r); v.Valid() {
aliveOnRegVRegs[v] = r
var desiredOccupantsSet RegSet
for i, v := range desiredOccupants {
if v != VRegInvalid {
desiredOccupantsSet = desiredOccupantsSet.add(RealReg(i))
}
}
@ -987,56 +985,38 @@ func (a *Allocator) fixMergeState(f Function, blk Block) {
}
s.currentBlockID = bID
a.updateLiveInVRState(a.getOrAllocateBlockState(bID))
a.updateLiveInVRState(blkSt)
currentOccupants := &a.currentOccupants
for i := 0; i < preds; i++ {
currentOccupants.reset()
if i == blkSt.startFromPredIndex {
continue
}
currentOccupantsRev := make(map[VReg]RealReg)
pred := blk.Pred(i)
predSt := a.getOrAllocateBlockState(pred.ID())
for ii := 0; ii < 64; ii++ {
r := RealReg(ii)
if v := predSt.endRegs.get(r); v.Valid() {
if _, ok := aliveOnRegVRegs[v]; !ok {
continue
}
currentOccupants.add(r, v)
currentOccupantsRev[v] = r
}
}
s.resetAt(predSt)
// Finds the free registers if any.
intTmp, floatTmp := VRegInvalid, VRegInvalid
if intFree := s.findAllocatable(
a.regInfo.AllocatableRegisters[RegTypeInt], desiredOccupants.set,
a.regInfo.AllocatableRegisters[RegTypeInt], desiredOccupantsSet,
); intFree != RealRegInvalid {
intTmp = FromRealReg(intFree, RegTypeInt)
}
if floatFree := s.findAllocatable(
a.regInfo.AllocatableRegisters[RegTypeFloat], desiredOccupants.set,
a.regInfo.AllocatableRegisters[RegTypeFloat], desiredOccupantsSet,
); floatFree != RealRegInvalid {
floatTmp = FromRealReg(floatFree, RegTypeFloat)
}
if wazevoapi.RegAllocLoggingEnabled {
fmt.Println("\t", pred.ID(), ":", currentOccupants.format(a.regInfo))
}
for ii := 0; ii < 64; ii++ {
r := RealReg(ii)
for r := RealReg(0); r < 64; r++ {
desiredVReg := desiredOccupants.get(r)
if !desiredVReg.Valid() {
continue
}
currentVReg := currentOccupants.get(r)
currentVReg := s.regsInUse.get(r)
if desiredVReg.ID() == currentVReg.ID() {
continue
}
@ -1048,48 +1028,58 @@ func (a *Allocator) fixMergeState(f Function, blk Block) {
} else {
tmpRealReg = floatTmp
}
a.reconcileEdge(f, r, pred, currentOccupants, currentOccupantsRev, currentVReg, desiredVReg, tmpRealReg, typ)
a.reconcileEdge(f, r, pred, currentVReg, desiredVReg, tmpRealReg, typ)
}
}
}
// reconcileEdge reconciles the register state between the current block and the predecessor for the real register `r`.
//
// - currentVReg is the current VReg value that sits on the register `r`. This can be VRegInvalid if the register is not used at the end of the predecessor.
// - desiredVReg is the desired VReg value that should be on the register `r`.
// - freeReg is the temporary register that can be used to swap the values, which may or may not be used.
// - typ is the register type of the `r`.
func (a *Allocator) reconcileEdge(f Function,
r RealReg,
pred Block,
currentOccupants *regInUseSet,
currentOccupantsRev map[VReg]RealReg,
currentVReg, desiredVReg VReg,
freeReg VReg,
typ RegType,
) {
// There are four cases to consider:
// 1. currentVReg is valid, but desiredVReg is on the stack.
// 2. Both currentVReg and desiredVReg are valid.
// 3. Desired is on a different register than `r` and currentReg is not valid.
// 4. Desired is on the stack and currentReg is not valid.
s := &a.state
if currentVReg.Valid() {
// Both are on reg.
er, ok := currentOccupantsRev[desiredVReg]
if !ok {
desiredState := s.getVRegState(desiredVReg.ID())
er := desiredState.r
if er == RealRegInvalid {
// Case 1: currentVReg is valid, but desiredVReg is on the stack.
if wazevoapi.RegAllocLoggingEnabled {
fmt.Printf("\t\tv%d is desired to be on %s, but currently on the stack\n",
desiredVReg.ID(), a.regInfo.RealRegName(r),
)
}
// This case is that the desired value is on the stack, but currentVReg is on the target register.
// We need to move the current value to the stack, and reload the desired value.
// We need to move the current value to the stack, and reload the desired value into the register.
// TODO: we can do better here.
f.StoreRegisterBefore(currentVReg.SetRealReg(r), pred.LastInstrForInsertion())
delete(currentOccupantsRev, currentVReg)
s.releaseRealReg(r)
s.getVRegState(desiredVReg.ID()).recordReload(f, pred)
f.ReloadRegisterBefore(desiredVReg.SetRealReg(r), pred.LastInstrForInsertion())
currentOccupants.add(r, desiredVReg)
currentOccupantsRev[desiredVReg] = r
s.useRealReg(r, desiredVReg)
return
}
} else {
// Case 2: Both currentVReg and desiredVReg are valid.
if wazevoapi.RegAllocLoggingEnabled {
fmt.Printf("\t\tv%d is desired to be on %s, but currently on %s\n",
desiredVReg.ID(), a.regInfo.RealRegName(r), a.regInfo.RealRegName(er),
)
}
// This case, we need to swap the values between the current and desired values.
f.SwapBefore(
currentVReg.SetRealReg(r),
desiredVReg.SetRealReg(er),
@ -1097,37 +1087,36 @@ func (a *Allocator) reconcileEdge(f Function,
pred.LastInstrForInsertion(),
)
s.allocatedRegSet = s.allocatedRegSet.add(freeReg.RealReg())
currentOccupantsRev[desiredVReg] = r
currentOccupantsRev[currentVReg] = er
currentOccupants.add(r, desiredVReg)
currentOccupants.add(er, currentVReg)
s.releaseRealReg(r)
s.releaseRealReg(er)
s.useRealReg(r, desiredVReg)
s.useRealReg(er, currentVReg)
if wazevoapi.RegAllocLoggingEnabled {
fmt.Printf("\t\tv%d previously on %s moved to %s\n", currentVReg.ID(), a.regInfo.RealRegName(r), a.regInfo.RealRegName(er))
}
}
} else {
// Desired is on reg, but currently the target register is not used.
if wazevoapi.RegAllocLoggingEnabled {
fmt.Printf("\t\tv%d is desired to be on %s, current not used\n",
desiredVReg.ID(), a.regInfo.RealRegName(r),
)
}
if currentReg, ok := currentOccupantsRev[desiredVReg]; ok {
if currentReg := s.getVRegState(desiredVReg.ID()).r; currentReg != RealRegInvalid {
// Case 3: Desired is on a different register than `r` and currentReg is not valid.
// We simply need to move the desired value to the register.
f.InsertMoveBefore(
FromRealReg(r, typ),
desiredVReg.SetRealReg(currentReg),
pred.LastInstrForInsertion(),
)
currentOccupants.remove(currentReg)
s.releaseRealReg(currentReg)
} else {
// Case 4: Both currentVReg and desiredVReg are not valid.
// We simply need to reload the desired value into the register.
s.getVRegState(desiredVReg.ID()).recordReload(f, pred)
f.ReloadRegisterBefore(desiredVReg.SetRealReg(r), pred.LastInstrForInsertion())
}
currentOccupantsRev[desiredVReg] = r
currentOccupants.add(r, desiredVReg)
}
if wazevoapi.RegAllocLoggingEnabled {
fmt.Println("\t", pred.ID(), ":", currentOccupants.format(a.regInfo))
s.useRealReg(r, desiredVReg)
}
}
@ -1169,8 +1158,7 @@ func (a *Allocator) scheduleSpill(f Function, vs *vrState) {
}
for pos != definingBlk {
st := a.getOrAllocateBlockState(pos.ID())
for ii := 0; ii < 64; ii++ {
rr := RealReg(ii)
for rr := RealReg(0); rr < 64; rr++ {
if st.startRegs.get(rr) == v {
r = rr
// Already in the register, so we can place the spill at the beginning of the block.

44
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/backend/regalloc/regset.go generated vendored
View File

@ -46,23 +46,24 @@ func (rs RegSet) Range(f func(allocatedRealReg RealReg)) {
}
}
type regInUseSet struct {
set RegSet
vrs [64]VReg
type regInUseSet [64]VReg
func newRegInUseSet() regInUseSet {
var ret regInUseSet
ret.reset()
return ret
}
func (rs *regInUseSet) reset() {
rs.set = 0
for i := range rs.vrs {
rs.vrs[i] = VRegInvalid
for i := range rs {
rs[i] = VRegInvalid
}
}
func (rs *regInUseSet) format(info *RegisterInfo) string { //nolint:unused
var ret []string
for i := 0; i < 64; i++ {
if rs.set&(1<<uint(i)) != 0 {
vr := rs.vrs[i]
for i, vr := range rs {
if vr != VRegInvalid {
ret = append(ret, fmt.Sprintf("(%s->v%d)", info.RealRegName(RealReg(i)), vr.ID()))
}
}
@ -70,39 +71,28 @@ func (rs *regInUseSet) format(info *RegisterInfo) string { //nolint:unused
}
func (rs *regInUseSet) has(r RealReg) bool {
if r >= 64 {
return false
}
return rs.set&(1<<uint(r)) != 0
return r < 64 && rs[r] != VRegInvalid
}
func (rs *regInUseSet) get(r RealReg) VReg {
if r >= 64 {
return VRegInvalid
}
return rs.vrs[r]
return rs[r]
}
func (rs *regInUseSet) remove(r RealReg) {
if r >= 64 {
return
}
rs.set &= ^(1 << uint(r))
rs.vrs[r] = VRegInvalid
rs[r] = VRegInvalid
}
func (rs *regInUseSet) add(r RealReg, vr VReg) {
if r >= 64 {
return
}
rs.set |= 1 << uint(r)
rs.vrs[r] = vr
rs[r] = vr
}
func (rs *regInUseSet) range_(f func(allocatedRealReg RealReg, vr VReg)) {
for i := 0; i < 64; i++ {
if rs.set&(1<<uint(i)) != 0 {
f(RealReg(i), rs.vrs[i])
for i, vr := range rs {
if vr != VRegInvalid {
f(RealReg(i), vr)
}
}
}

18
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/call_engine.go generated vendored
View File

@ -2,7 +2,6 @@ package wazevo
import (
"context"
"encoding/binary"
"fmt"
"reflect"
"runtime"
@ -310,15 +309,6 @@ func (c *callEngine) callWithStack(ctx context.Context, paramResultStack []uint6
*argRes = uint64(0xffffffff) // = -1 in signed 32-bit integer.
} else {
*argRes = uint64(res)
calleeOpaque := opaqueViewFromPtr(uintptr(unsafe.Pointer(c.execCtx.callerModuleContextPtr)))
if mod.Source.MemorySection != nil { // Local memory.
putLocalMemory(calleeOpaque, 8 /* local memory begins at 8 */, mem)
} else {
// Imported memory's owner at offset 16 of the callerModuleContextPtr.
opaquePtr := uintptr(binary.LittleEndian.Uint64(calleeOpaque[16:]))
importedMemOwner := opaqueViewFromPtr(opaquePtr)
putLocalMemory(importedMemOwner, 8 /* local memory begins at 8 */, mem)
}
}
c.execCtx.exitCode = wazevoapi.ExitCodeOK
afterGoFunctionCallEntrypoint(c.execCtx.goCallReturnAddress, c.execCtxPtr, uintptr(unsafe.Pointer(c.execCtx.stackPointerBeforeGoCall)), c.execCtx.framePointerBeforeGoCall)
@ -525,14 +515,6 @@ func (c *callEngine) callerModuleInstance() *wasm.ModuleInstance {
return moduleInstanceFromOpaquePtr(c.execCtx.callerModuleContextPtr)
}
func opaqueViewFromPtr(ptr uintptr) []byte {
var opaque []byte
sh := (*reflect.SliceHeader)(unsafe.Pointer(&opaque))
sh.Data = ptr
setSliceLimits(sh, 24, 24)
return opaque
}
const callStackCeiling = uintptr(50000000) // in uint64 (8 bytes) == 400000000 bytes in total == 400mb.
func (c *callEngine) growStackWithGuarded() (newSP uintptr, newFP uintptr, err error) {

7
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/engine_cache.go generated vendored
View File

@ -31,6 +31,13 @@ func fileCacheKey(m *wasm.Module) (ret filecache.Key) {
s := sha256.New()
s.Write(m.ID[:])
s.Write(magic)
// Write the CPU features so that we can cache the compiled module for the same CPU.
// This prevents the incompatible CPU features from being used.
cpu := platform.CpuFeatures.Raw()
// Reuse the `ret` buffer to write the first 8 bytes of the CPU features so that we can avoid the allocation.
binary.LittleEndian.PutUint64(ret[:8], cpu)
s.Write(ret[:8])
// Finally, write the hash to the ret buffer.
s.Sum(ret[:0])
return
}

21
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/frontend/frontend.go generated vendored
View File

@ -301,26 +301,7 @@ func (c *Compiler) declareWasmLocals(entry ssa.BasicBlock) {
st := WasmTypeToSSAType(typ)
variable := c.ssaBuilder.DeclareVariable(st)
c.setWasmLocalVariable(wasm.Index(i)+localCount, variable)
zeroInst := c.ssaBuilder.AllocateInstruction()
switch st {
case ssa.TypeI32:
zeroInst.AsIconst32(0)
case ssa.TypeI64:
zeroInst.AsIconst64(0)
case ssa.TypeF32:
zeroInst.AsF32const(0)
case ssa.TypeF64:
zeroInst.AsF64const(0)
case ssa.TypeV128:
zeroInst.AsVconst(0, 0)
default:
panic("TODO: " + wasm.ValueTypeName(typ))
}
c.ssaBuilder.InsertInstruction(zeroInst)
value := zeroInst.Return()
c.ssaBuilder.DefineVariable(variable, value, entry)
c.ssaBuilder.InsertZeroValue(st)
}
}

10
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/frontend/lower.go generated vendored
View File

@ -1086,16 +1086,8 @@ func (c *Compiler) lowerCurrentOpcode() {
break
}
variable := c.localVariable(index)
if _, ok := c.m.NonStaticLocals[c.wasmLocalFunctionIndex][index]; ok {
state.push(builder.MustFindValue(variable))
} else {
// If a local is static, we can simply find it in the entry block which is either a function param
// or a zero value. This fast pass helps to avoid the overhead of searching the entire function plus
// avoid adding unnecessary block arguments.
// TODO: I think this optimization should be done in a SSA pass like passRedundantPhiEliminationOpt,
// but somehow there's some corner cases that it fails to optimize.
state.push(builder.MustFindValueInBlk(variable, c.ssaBuilder.EntryBlock()))
}
case wasm.OpcodeLocalSet:
index := c.readI32u()
if state.unreachable {

31
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/module_engine.go generated vendored
View File

@ -86,16 +86,6 @@ func newAlignedOpaque(size int) moduleContextOpaque {
return buf
}
func putLocalMemory(opaque []byte, offset wazevoapi.Offset, mem *wasm.MemoryInstance) {
s := uint64(len(mem.Buffer))
var b uint64
if len(mem.Buffer) > 0 {
b = uint64(uintptr(unsafe.Pointer(&mem.Buffer[0])))
}
binary.LittleEndian.PutUint64(opaque[offset:], b)
binary.LittleEndian.PutUint64(opaque[offset+8:], s)
}
func (m *moduleEngine) setupOpaque() {
inst := m.module
offsets := &m.parent.offsets
@ -106,7 +96,7 @@ func (m *moduleEngine) setupOpaque() {
)
if lm := offsets.LocalMemoryBegin; lm >= 0 {
putLocalMemory(opaque, lm, inst.MemoryInstance)
m.putLocalMemory()
}
// Note: imported memory is resolved in ResolveImportedFunction.
@ -227,6 +217,25 @@ func (m *moduleEngine) SetGlobalValue(i wasm.Index, lo, hi uint64) {
// OwnsGlobals implements the same method as documented on wasm.ModuleEngine.
func (m *moduleEngine) OwnsGlobals() bool { return true }
// MemoryGrown implements wasm.ModuleEngine.
func (m *moduleEngine) MemoryGrown() {
m.putLocalMemory()
}
// putLocalMemory writes the local memory buffer pointer and length to the opaque buffer.
func (m *moduleEngine) putLocalMemory() {
mem := m.module.MemoryInstance
offset := m.parent.offsets.LocalMemoryBegin
s := uint64(len(mem.Buffer))
var b uint64
if len(mem.Buffer) > 0 {
b = uint64(uintptr(unsafe.Pointer(&mem.Buffer[0])))
}
binary.LittleEndian.PutUint64(m.opaque[offset:], b)
binary.LittleEndian.PutUint64(m.opaque[offset+8:], s)
}
// ResolveImportedFunction implements wasm.ModuleEngine.
func (m *moduleEngine) ResolveImportedFunction(index, indexInImportedModule wasm.Index, importedModuleEngine wasm.ModuleEngine) {
executableOffset, moduleCtxOffset, typeIDOffset := m.parent.offsets.ImportedFunctionOffset(index)

69
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/ssa/basic_block.go generated vendored
View File

@ -49,21 +49,12 @@ type BasicBlock interface {
// ReturnBlock returns ture if this block represents the function return.
ReturnBlock() bool
// FormatHeader returns the debug string of this block, not including instruction.
FormatHeader(b Builder) string
// Valid is true if this block is still valid even after optimizations.
Valid() bool
// Sealed is true if this block has been sealed.
Sealed() bool
// BeginPredIterator returns the first predecessor of this block.
BeginPredIterator() BasicBlock
// NextPredIterator returns the next predecessor of this block.
NextPredIterator() BasicBlock
// Preds returns the number of predecessors of this block.
Preds() int
@ -88,8 +79,9 @@ type (
basicBlock struct {
id BasicBlockID
rootInstr, currentInstr *Instruction
params []blockParam
predIter int
// params are Values that represent parameters to a basicBlock.
// Each parameter can be considered as an output of PHI instruction in traditional SSA.
params []Value
preds []basicBlockPredecessorInfo
success []*basicBlock
// singlePred is the alias to preds[0] for fast lookup, and only set after Seal is called.
@ -116,11 +108,14 @@ type (
// loopNestingForestChildren holds the children of this block in the loop nesting forest.
// Non-empty if and only if this block is a loop header (i.e. loopHeader=true)
loopNestingForestChildren []BasicBlock
loopNestingForestChildren wazevoapi.VarLength[BasicBlock]
// reversePostOrder is used to sort all the blocks in the function in reverse post order.
// This is used in builder.LayoutBlocks.
reversePostOrder int
reversePostOrder int32
// visited is used during various traversals.
visited int32
// child and sibling are the ones in the dominator tree.
child, sibling *basicBlock
@ -128,15 +123,6 @@ type (
// BasicBlockID is the unique ID of a basicBlock.
BasicBlockID uint32
// blockParam implements Value and represents a parameter to a basicBlock.
blockParam struct {
// value is the Value that corresponds to the parameter in this block,
// and can be considered as an output of PHI instruction in traditional SSA.
value Value
// typ is the type of the parameter.
typ Type
}
unknownValue struct {
// variable is the variable that this unknownValue represents.
variable Variable
@ -145,6 +131,9 @@ type (
}
)
// basicBlockVarLengthNil is the default nil value for basicBlock.loopNestingForestChildren.
var basicBlockVarLengthNil = wazevoapi.NewNilVarLength[BasicBlock]()
const basicBlockIDReturnBlock = 0xffffffff
// Name implements BasicBlock.Name.
@ -190,13 +179,13 @@ func (bb *basicBlock) ReturnBlock() bool {
// AddParam implements BasicBlock.AddParam.
func (bb *basicBlock) AddParam(b Builder, typ Type) Value {
paramValue := b.allocateValue(typ)
bb.params = append(bb.params, blockParam{typ: typ, value: paramValue})
bb.params = append(bb.params, paramValue)
return paramValue
}
// addParamOn adds a parameter to this block whose value is already allocated.
func (bb *basicBlock) addParamOn(typ Type, value Value) {
bb.params = append(bb.params, blockParam{typ: typ, value: value})
func (bb *basicBlock) addParamOn(value Value) {
bb.params = append(bb.params, value)
}
// Params implements BasicBlock.Params.
@ -206,8 +195,7 @@ func (bb *basicBlock) Params() int {
// Param implements BasicBlock.Param.
func (bb *basicBlock) Param(i int) Value {
p := &bb.params[i]
return p.value
return bb.params[i]
}
// Valid implements BasicBlock.Valid.
@ -248,22 +236,6 @@ func (bb *basicBlock) NumPreds() int {
return len(bb.preds)
}
// BeginPredIterator implements BasicBlock.BeginPredIterator.
func (bb *basicBlock) BeginPredIterator() BasicBlock {
bb.predIter = 0
return bb.NextPredIterator()
}
// NextPredIterator implements BasicBlock.NextPredIterator.
func (bb *basicBlock) NextPredIterator() BasicBlock {
if bb.predIter >= len(bb.preds) {
return nil
}
pred := bb.preds[bb.predIter].blk
bb.predIter++
return pred
}
// Preds implements BasicBlock.Preds.
func (bb *basicBlock) Preds() int {
return len(bb.preds)
@ -305,7 +277,8 @@ func resetBasicBlock(bb *basicBlock) {
bb.unknownValues = bb.unknownValues[:0]
bb.lastDefinitions = wazevoapi.ResetMap(bb.lastDefinitions)
bb.reversePostOrder = -1
bb.loopNestingForestChildren = bb.loopNestingForestChildren[:0]
bb.visited = 0
bb.loopNestingForestChildren = basicBlockVarLengthNil
bb.loopHeader = false
bb.sibling = nil
bb.child = nil
@ -335,11 +308,11 @@ func (bb *basicBlock) addPred(blk BasicBlock, branch *Instruction) {
pred.success = append(pred.success, bb)
}
// FormatHeader implements BasicBlock.FormatHeader.
func (bb *basicBlock) FormatHeader(b Builder) string {
// formatHeader returns the string representation of the header of the basicBlock.
func (bb *basicBlock) formatHeader(b Builder) string {
ps := make([]string, len(bb.params))
for i, p := range bb.params {
ps[i] = p.value.formatWithType(b)
ps[i] = p.formatWithType(b)
}
if len(bb.preds) > 0 {
@ -398,7 +371,7 @@ func (bb *basicBlock) String() string {
// LoopNestingForestChildren implements BasicBlock.LoopNestingForestChildren.
func (bb *basicBlock) LoopNestingForestChildren() []BasicBlock {
return bb.loopNestingForestChildren
return bb.loopNestingForestChildren.View()
}
// LoopHeader implements BasicBlock.LoopHeader.

88
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/ssa/builder.go generated vendored
View File

@ -54,9 +54,6 @@ type Builder interface {
// MustFindValue searches the latest definition of the given Variable and returns the result.
MustFindValue(variable Variable) Value
// MustFindValueInBlk is the same as MustFindValue except it searches the latest definition from the given BasicBlock.
MustFindValueInBlk(variable Variable, blk BasicBlock) Value
// FindValueInLinearPath tries to find the latest definition of the given Variable in the linear path to the current BasicBlock.
// If it cannot find the definition, or it's not sealed yet, it returns ValueInvalid.
FindValueInLinearPath(variable Variable) Value
@ -127,7 +124,11 @@ type Builder interface {
// Idom returns the immediate dominator of the given BasicBlock.
Idom(blk BasicBlock) BasicBlock
// VarLengthPool returns the VarLengthPool of Value.
VarLengthPool() *wazevoapi.VarLengthPool[Value]
// InsertZeroValue inserts a zero value constant instruction of the given type.
InsertZeroValue(t Type)
}
// NewBuilder returns a new Builder implementation.
@ -135,10 +136,10 @@ func NewBuilder() Builder {
return &builder{
instructionsPool: wazevoapi.NewPool[Instruction](resetInstruction),
basicBlocksPool: wazevoapi.NewPool[basicBlock](resetBasicBlock),
varLengthBasicBlockPool: wazevoapi.NewVarLengthPool[BasicBlock](),
varLengthPool: wazevoapi.NewVarLengthPool[Value](),
valueAnnotations: make(map[ValueID]string),
signatures: make(map[SignatureID]*Signature),
blkVisited: make(map[*basicBlock]int),
valueIDAliases: make(map[ValueID]Value),
redundantParameterIndexToValue: make(map[int]Value),
returnBlk: &basicBlock{id: basicBlockIDReturnBlock},
@ -177,12 +178,13 @@ type builder struct {
dominators []*basicBlock
sparseTree dominatorSparseTree
varLengthBasicBlockPool wazevoapi.VarLengthPool[BasicBlock]
// loopNestingForestRoots are the roots of the loop nesting forest.
loopNestingForestRoots []BasicBlock
// The followings are used for optimization passes/deterministic compilation.
instStack []*Instruction
blkVisited map[*basicBlock]int
valueIDToInstruction []*Instruction
blkStack []*basicBlock
blkStack2 []*basicBlock
@ -200,6 +202,32 @@ type builder struct {
donePostBlockLayoutPasses bool
currentSourceOffset SourceOffset
// zeros are the zero value constants for each type.
zeros [typeEnd]Value
}
// InsertZeroValue implements Builder.InsertZeroValue.
func (b *builder) InsertZeroValue(t Type) {
if b.zeros[t].Valid() {
return
}
zeroInst := b.AllocateInstruction()
switch t {
case TypeI32:
zeroInst.AsIconst32(0)
case TypeI64:
zeroInst.AsIconst64(0)
case TypeF32:
zeroInst.AsF32const(0)
case TypeF64:
zeroInst.AsF64const(0)
case TypeV128:
zeroInst.AsVconst(0, 0)
default:
panic("TODO: " + t.String())
}
b.zeros[t] = zeroInst.Insert(b).Return()
}
func (b *builder) VarLengthPool() *wazevoapi.VarLengthPool[Value] {
@ -215,10 +243,12 @@ func (b *builder) ReturnBlock() BasicBlock {
func (b *builder) Init(s *Signature) {
b.nextVariable = 0
b.currentSignature = s
b.zeros = [typeEnd]Value{ValueInvalid, ValueInvalid, ValueInvalid, ValueInvalid, ValueInvalid, ValueInvalid}
resetBasicBlock(b.returnBlk)
b.instructionsPool.Reset()
b.basicBlocksPool.Reset()
b.varLengthPool.Reset()
b.varLengthBasicBlockPool.Reset()
b.donePreBlockLayoutPasses = false
b.doneBlockLayout = false
b.donePostBlockLayoutPasses = false
@ -231,11 +261,6 @@ func (b *builder) Init(s *Signature) {
b.blkStack2 = b.blkStack2[:0]
b.dominators = b.dominators[:0]
b.loopNestingForestRoots = b.loopNestingForestRoots[:0]
for i := 0; i < b.basicBlocksPool.Allocated(); i++ {
blk := b.basicBlocksPool.View(i)
delete(b.blkVisited, blk)
}
b.basicBlocksPool.Reset()
for v := ValueID(0); v < b.nextValueID; v++ {
@ -448,11 +473,6 @@ func (b *builder) findValueInLinearPath(variable Variable, blk *basicBlock) Valu
return ValueInvalid
}
func (b *builder) MustFindValueInBlk(variable Variable, blk BasicBlock) Value {
typ := b.definedVariableType(variable)
return b.findValue(typ, variable, blk.(*basicBlock))
}
// MustFindValue implements Builder.MustFindValue.
func (b *builder) MustFindValue(variable Variable) Value {
typ := b.definedVariableType(variable)
@ -482,6 +502,9 @@ func (b *builder) findValue(typ Type, variable Variable, blk *basicBlock) Value
value: value,
})
return value
} else if blk.EntryBlock() {
// If this is the entry block, we reach the uninitialized variable which has zero value.
return b.zeros[b.definedVariableType(variable)]
}
if pred := blk.singlePred; pred != nil {
@ -495,12 +518,32 @@ func (b *builder) findValue(typ Type, variable Variable, blk *basicBlock) Value
// If this block has multiple predecessors, we have to gather the definitions,
// and treat them as an argument to this block.
//
// The first thing is to define a new parameter to this block which may or may not be redundant, but
// But before that, we have to check if the possible definitions are the same Value.
tmpValue := b.allocateValue(typ)
// Break the cycle by defining the variable with the tmpValue.
b.DefineVariable(variable, tmpValue, blk)
// Check all the predecessors if they have the same definition.
uniqueValue := ValueInvalid
for i := range blk.preds {
predValue := b.findValue(typ, variable, blk.preds[i].blk)
if uniqueValue == ValueInvalid {
uniqueValue = predValue
} else if uniqueValue != predValue {
uniqueValue = ValueInvalid
break
}
}
if uniqueValue != ValueInvalid {
// If all the predecessors have the same definition, we can use that value.
b.DefineVariable(variable, uniqueValue, blk)
b.alias(tmpValue, uniqueValue)
return uniqueValue
} else {
// Otherwise, add the tmpValue to this block as a parameter which may or may not be redundant, but
// later we eliminate trivial params in an optimization pass. This must be done before finding the
// definitions in the predecessors so that we can break the cycle.
paramValue := blk.AddParam(b, typ)
b.DefineVariable(variable, paramValue, blk)
blk.addParamOn(tmpValue)
// After the new param is added, we have to manipulate the original branching instructions
// in predecessors so that they would pass the definition of `variable` as the argument to
// the newly added PHI.
@ -509,7 +552,8 @@ func (b *builder) findValue(typ Type, variable Variable, blk *basicBlock) Value
value := b.findValue(typ, variable, pred.blk)
pred.branch.addArgumentBranchInst(b, value)
}
return paramValue
return tmpValue
}
}
// Seal implements Builder.Seal.
@ -523,7 +567,7 @@ func (b *builder) Seal(raw BasicBlock) {
for _, v := range blk.unknownValues {
variable, phiValue := v.variable, v.value
typ := b.definedVariableType(variable)
blk.addParamOn(typ, phiValue)
blk.addParamOn(phiValue)
for i := range blk.preds {
pred := &blk.preds[i]
predValue := b.findValue(typ, variable, pred.blk)
@ -566,7 +610,7 @@ func (b *builder) Format() string {
}
for bb := iterBegin(); bb != nil; bb = iterNext() {
str.WriteByte('\n')
str.WriteString(bb.FormatHeader(b))
str.WriteString(bb.formatHeader(b))
str.WriteByte('\n')
for cur := bb.Root(); cur != nil; cur = cur.Next() {

41
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/ssa/pass.go generated vendored
View File

@ -22,9 +22,9 @@ func (b *builder) RunPasses() {
func (b *builder) runPreBlockLayoutPasses() {
passSortSuccessors(b)
passDeadBlockEliminationOpt(b)
passRedundantPhiEliminationOpt(b)
// The result of passCalculateImmediateDominators will be used by various passes below.
passCalculateImmediateDominators(b)
passRedundantPhiEliminationOpt(b)
passNopInstElimination(b)
// TODO: implement either conversion of irreducible CFG into reducible one, or irreducible CFG detection where we panic.
@ -78,12 +78,11 @@ func (b *builder) runFinalizingPasses() {
// passDeadBlockEliminationOpt searches the unreachable blocks, and sets the basicBlock.invalid flag true if so.
func passDeadBlockEliminationOpt(b *builder) {
entryBlk := b.entryBlk()
b.clearBlkVisited()
b.blkStack = append(b.blkStack, entryBlk)
for len(b.blkStack) > 0 {
reachableBlk := b.blkStack[len(b.blkStack)-1]
b.blkStack = b.blkStack[:len(b.blkStack)-1]
b.blkVisited[reachableBlk] = 0 // the value won't be used in this pass.
reachableBlk.visited = 1
if !reachableBlk.sealed && !reachableBlk.ReturnBlock() {
panic(fmt.Sprintf("%s is not sealed", reachableBlk))
@ -94,7 +93,7 @@ func passDeadBlockEliminationOpt(b *builder) {
}
for _, succ := range reachableBlk.success {
if _, ok := b.blkVisited[succ]; ok {
if succ.visited == 1 {
continue
}
b.blkStack = append(b.blkStack, succ)
@ -102,13 +101,16 @@ func passDeadBlockEliminationOpt(b *builder) {
}
for blk := b.blockIteratorBegin(); blk != nil; blk = b.blockIteratorNext() {
if _, ok := b.blkVisited[blk]; !ok {
if blk.visited != 1 {
blk.invalid = true
}
blk.visited = 0
}
}
// passRedundantPhiEliminationOpt eliminates the redundant PHIs (in our terminology, parameters of a block).
// This requires the reverse post-order traversal to be calculated before calling this function,
// hence passCalculateImmediateDominators must be called before this.
func passRedundantPhiEliminationOpt(b *builder) {
redundantParameterIndexes := b.ints[:0] // reuse the slice from previous iterations.
@ -118,15 +120,18 @@ func passRedundantPhiEliminationOpt(b *builder) {
// relatively small. For example, sqlite speedtest binary results in the large number of redundant PHIs,
// the maximum number of iteration was 22, which seems to be acceptable but not that small either since the
// complexity here is O(BlockNum * Iterations) at the worst case where BlockNum might be the order of thousands.
// -- Note --
// Currently, each iteration can run in any order of blocks, but it empirically converges quickly in practice when
// running on the reverse post-order. It might be possible to optimize this further by using the dominator tree.
for {
changed := false
_ = b.blockIteratorBegin() // skip entry block!
_ = b.blockIteratorReversePostOrderBegin() // skip entry block!
// Below, we intentionally use the named iteration variable name, as this comes with inevitable nested for loops!
for blk := b.blockIteratorNext(); blk != nil; blk = b.blockIteratorNext() {
for blk := b.blockIteratorReversePostOrderNext(); blk != nil; blk = b.blockIteratorReversePostOrderNext() {
paramNum := len(blk.params)
for paramIndex := 0; paramIndex < paramNum; paramIndex++ {
phiValue := blk.params[paramIndex].value
phiValue := blk.params[paramIndex]
redundant := true
nonSelfReferencingValue := ValueInvalid
@ -184,7 +189,7 @@ func passRedundantPhiEliminationOpt(b *builder) {
// Still need to have the definition of the value of the PHI (previously as the parameter).
for _, redundantParamIndex := range redundantParameterIndexes {
phiValue := blk.params[redundantParamIndex].value
phiValue := blk.params[redundantParamIndex]
onlyValue := b.redundantParameterIndexToValue[redundantParamIndex]
// Create an alias in this block from the only phi argument to the phi value.
b.alias(phiValue, onlyValue)
@ -227,10 +232,10 @@ func passRedundantPhiEliminationOpt(b *builder) {
func passDeadCodeEliminationOpt(b *builder) {
nvid := int(b.nextValueID)
if nvid >= len(b.valueRefCounts) {
b.valueRefCounts = append(b.valueRefCounts, make([]int, b.nextValueID)...)
b.valueRefCounts = append(b.valueRefCounts, make([]int, nvid-len(b.valueRefCounts)+1)...)
}
if nvid >= len(b.valueIDToInstruction) {
b.valueIDToInstruction = append(b.valueIDToInstruction, make([]*Instruction, b.nextValueID)...)
b.valueIDToInstruction = append(b.valueIDToInstruction, make([]*Instruction, nvid-len(b.valueIDToInstruction)+1)...)
}
// First, we gather all the instructions with side effects.
@ -350,22 +355,10 @@ func (b *builder) incRefCount(id ValueID, from *Instruction) {
b.valueRefCounts[id]++
}
// clearBlkVisited clears the b.blkVisited map so that we can reuse it for multiple places.
func (b *builder) clearBlkVisited() {
b.blkStack2 = b.blkStack2[:0]
for key := range b.blkVisited {
b.blkStack2 = append(b.blkStack2, key)
}
for _, blk := range b.blkStack2 {
delete(b.blkVisited, blk)
}
b.blkStack2 = b.blkStack2[:0]
}
// passNopInstElimination eliminates the instructions which is essentially a no-op.
func passNopInstElimination(b *builder) {
if int(b.nextValueID) >= len(b.valueIDToInstruction) {
b.valueIDToInstruction = append(b.valueIDToInstruction, make([]*Instruction, b.nextValueID)...)
b.valueIDToInstruction = append(b.valueIDToInstruction, make([]*Instruction, int(b.nextValueID)-len(b.valueIDToInstruction)+1)...)
}
for blk := b.blockIteratorBegin(); blk != nil; blk = b.blockIteratorNext() {

16
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/ssa/pass_blk_layouts.go generated vendored
View File

@ -23,8 +23,6 @@ import (
//
// This heuristic is done in maybeInvertBranches function.
func passLayoutBlocks(b *builder) {
b.clearBlkVisited()
// We might end up splitting critical edges which adds more basic blocks,
// so we store the currently existing basic blocks in nonSplitBlocks temporarily.
// That way we can iterate over the original basic blocks while appending new ones into reversePostOrderedBasicBlocks.
@ -47,20 +45,20 @@ func passLayoutBlocks(b *builder) {
for _, blk := range nonSplitBlocks {
for i := range blk.preds {
pred := blk.preds[i].blk
if _, ok := b.blkVisited[pred]; ok || !pred.Valid() {
if pred.visited == 1 || !pred.Valid() {
continue
} else if pred.reversePostOrder < blk.reversePostOrder {
// This means the edge is critical, and this pred is the trampoline and yet to be inserted.
// Split edge trampolines must come before the destination in reverse post-order.
b.reversePostOrderedBasicBlocks = append(b.reversePostOrderedBasicBlocks, pred)
b.blkVisited[pred] = 0 // mark as inserted, the value is not used.
pred.visited = 1 // mark as inserted.
}
}
// Now that we've already added all the potential trampoline blocks incoming to this block,
// we can add this block itself.
b.reversePostOrderedBasicBlocks = append(b.reversePostOrderedBasicBlocks, blk)
b.blkVisited[blk] = 0 // mark as inserted, the value is not used.
blk.visited = 1 // mark as inserted.
if len(blk.success) < 2 {
// There won't be critical edge originating from this block.
@ -116,7 +114,7 @@ func passLayoutBlocks(b *builder) {
if fallthroughBranch.opcode == OpcodeJump && fallthroughBranch.blk == trampoline {
// This can be lowered as fallthrough at the end of the block.
b.reversePostOrderedBasicBlocks = append(b.reversePostOrderedBasicBlocks, trampoline)
b.blkVisited[trampoline] = 0 // mark as inserted, the value is not used.
trampoline.visited = 1 // mark as inserted.
} else {
uninsertedTrampolines = append(uninsertedTrampolines, trampoline)
}
@ -126,7 +124,7 @@ func passLayoutBlocks(b *builder) {
if trampoline.success[0].reversePostOrder <= trampoline.reversePostOrder { // "<=", not "<" because the target might be itself.
// This means the critical edge was backward, so we insert after the current block immediately.
b.reversePostOrderedBasicBlocks = append(b.reversePostOrderedBasicBlocks, trampoline)
b.blkVisited[trampoline] = 0 // mark as inserted, the value is not used.
trampoline.visited = 1 // mark as inserted.
} // If the target is forward, we can wait to insert until the target is inserted.
}
uninsertedTrampolines = uninsertedTrampolines[:0] // Reuse the stack for the next block.
@ -142,8 +140,8 @@ func passLayoutBlocks(b *builder) {
if wazevoapi.SSAValidationEnabled {
for _, trampoline := range trampolines {
if _, ok := b.blkVisited[trampoline]; !ok {
panic("BUG: trampoline block not inserted: " + trampoline.FormatHeader(b))
if trampoline.visited != 1 {
panic("BUG: trampoline block not inserted: " + trampoline.formatHeader(b))
}
trampoline.validate(b)
}

49
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/ssa/pass_cfg.go generated vendored
View File

@ -15,10 +15,6 @@ import (
// At the last of pass, this function also does the loop detection and sets the basicBlock.loop flag.
func passCalculateImmediateDominators(b *builder) {
reversePostOrder := b.reversePostOrderedBasicBlocks[:0]
exploreStack := b.blkStack[:0]
b.clearBlkVisited()
entryBlk := b.entryBlk()
// Store the reverse postorder from the entrypoint into reversePostOrder slice.
// This calculation of reverse postorder is not described in the paper,
@ -28,14 +24,17 @@ func passCalculateImmediateDominators(b *builder) {
// which is a reasonable assumption as long as SSA Builder is properly used.
//
// First we push blocks in postorder iteratively visit successors of the entry block.
exploreStack = append(exploreStack, entryBlk)
entryBlk := b.entryBlk()
exploreStack := append(b.blkStack[:0], entryBlk)
// These flags are used to track the state of the block in the DFS traversal.
// We temporarily use the reversePostOrder field to store the state.
const visitStateUnseen, visitStateSeen, visitStateDone = 0, 1, 2
b.blkVisited[entryBlk] = visitStateSeen
entryBlk.visited = visitStateSeen
for len(exploreStack) > 0 {
tail := len(exploreStack) - 1
blk := exploreStack[tail]
exploreStack = exploreStack[:tail]
switch b.blkVisited[blk] {
switch blk.visited {
case visitStateUnseen:
// This is likely a bug in the frontend.
panic("BUG: unsupported CFG")
@ -48,16 +47,18 @@ func passCalculateImmediateDominators(b *builder) {
if succ.ReturnBlock() || succ.invalid {
continue
}
if b.blkVisited[succ] == visitStateUnseen {
b.blkVisited[succ] = visitStateSeen
if succ.visited == visitStateUnseen {
succ.visited = visitStateSeen
exploreStack = append(exploreStack, succ)
}
}
// Finally, we could pop this block once we pop all of its successors.
b.blkVisited[blk] = visitStateDone
blk.visited = visitStateDone
case visitStateDone:
// Note: at this point we push blk in postorder despite its name.
reversePostOrder = append(reversePostOrder, blk)
default:
panic("BUG")
}
}
// At this point, reversePostOrder has postorder actually, so we reverse it.
@ -67,7 +68,7 @@ func passCalculateImmediateDominators(b *builder) {
}
for i, blk := range reversePostOrder {
blk.reversePostOrder = i
blk.reversePostOrder = int32(i)
}
// Reuse the dominators slice if possible from the previous computation of function.
@ -180,7 +181,7 @@ func passBuildLoopNestingForest(b *builder) {
b.loopNestingForestRoots = append(b.loopNestingForestRoots, blk)
} else if n == ent {
} else if n.loopHeader {
n.loopNestingForestChildren = append(n.loopNestingForestChildren, blk)
n.loopNestingForestChildren = n.loopNestingForestChildren.Append(&b.varLengthBasicBlockPool, blk)
}
}
@ -193,7 +194,7 @@ func passBuildLoopNestingForest(b *builder) {
func printLoopNestingForest(root *basicBlock, depth int) {
fmt.Println(strings.Repeat("\t", depth), "loop nesting forest root:", root.ID())
for _, child := range root.loopNestingForestChildren {
for _, child := range root.loopNestingForestChildren.View() {
fmt.Println(strings.Repeat("\t", depth+1), "child:", child.ID())
if child.LoopHeader() {
printLoopNestingForest(child.(*basicBlock), depth+2)
@ -202,10 +203,10 @@ func printLoopNestingForest(root *basicBlock, depth int) {
}
type dominatorSparseTree struct {
time int
time int32
euler []*basicBlock
first, depth []int
table [][]int
first, depth []int32
table [][]int32
}
// passBuildDominatorTree builds the dominator tree for the function, and constructs builder.sparseTree.
@ -232,11 +233,11 @@ func passBuildDominatorTree(b *builder) {
n := b.basicBlocksPool.Allocated()
st := &b.sparseTree
st.euler = append(st.euler[:0], make([]*basicBlock, 2*n-1)...)
st.first = append(st.first[:0], make([]int, n)...)
st.first = append(st.first[:0], make([]int32, n)...)
for i := range st.first {
st.first[i] = -1
}
st.depth = append(st.depth[:0], make([]int, 2*n-1)...)
st.depth = append(st.depth[:0], make([]int32, 2*n-1)...)
st.time = 0
// Start building the sparse tree.
@ -244,9 +245,9 @@ func passBuildDominatorTree(b *builder) {
st.buildSparseTable()
}
func (dt *dominatorSparseTree) eulerTour(node *basicBlock, height int) {
func (dt *dominatorSparseTree) eulerTour(node *basicBlock, height int32) {
if wazevoapi.SSALoggingEnabled {
fmt.Println(strings.Repeat("\t", height), "euler tour:", node.ID())
fmt.Println(strings.Repeat("\t", int(height)), "euler tour:", node.ID())
}
dt.euler[dt.time] = node
dt.depth[dt.time] = height
@ -270,13 +271,13 @@ func (dt *dominatorSparseTree) buildSparseTable() {
table := dt.table
if n >= len(table) {
table = append(table, make([][]int, n+1)...)
table = append(table, make([][]int32, n-len(table)+1)...)
}
for i := range table {
if len(table[i]) < k {
table[i] = append(table[i], make([]int, k)...)
table[i] = append(table[i], make([]int32, k-len(table[i]))...)
}
table[i][0] = i
table[i][0] = int32(i)
}
for j := 1; 1<<j <= n; j++ {
@ -292,7 +293,7 @@ func (dt *dominatorSparseTree) buildSparseTable() {
}
// rmq performs a range minimum query on the sparse table.
func (dt *dominatorSparseTree) rmq(l, r int) int {
func (dt *dominatorSparseTree) rmq(l, r int32) int32 {
table := dt.table
depth := dt.depth
j := int(math.Log2(float64(r - l + 1)))

3
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/ssa/type.go generated vendored
View File

@ -21,6 +21,9 @@ const (
// TypeV128 represents 128-bit SIMD vectors.
TypeV128
// -- Do not add new types after this line. ----
typeEnd
)
// String implements fmt.Stringer.

4
vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/wazevoapi/pool.go generated vendored
View File

@ -69,7 +69,7 @@ type IDedPool[T any] struct {
// NewIDedPool returns a new IDedPool.
func NewIDedPool[T any](resetFn func(*T)) IDedPool[T] {
return IDedPool[T]{pool: NewPool[T](resetFn)}
return IDedPool[T]{pool: NewPool[T](resetFn), maxIDEncountered: -1}
}
// GetOrAllocate returns the T with the given id.
@ -97,7 +97,7 @@ func (p *IDedPool[T]) Get(id int) *T {
// Reset resets the pool.
func (p *IDedPool[T]) Reset() {
p.pool.Reset()
for i := range p.idToItems {
for i := 0; i <= p.maxIDEncountered; i++ {
p.idToItems[i] = nil
}
p.maxIDEncountered = -1

5
vendor/github.com/tetratelabs/wazero/internal/platform/cpuid.go generated vendored
View File

@ -6,6 +6,9 @@ type CpuFeatureFlags interface {
Has(cpuFeature CpuFeature) bool
// HasExtra returns true when the specified extraFlag (represented as uint64) is supported
HasExtra(cpuFeature CpuFeature) bool
// Raw returns the raw bitset that represents CPU features used by wazero. This can be used for cache keying.
// For now, we only use four features, so uint64 is enough.
Raw() uint64
}
type CpuFeature uint64
@ -17,9 +20,11 @@ const (
CpuFeatureAmd64SSE4_1 CpuFeature = 1 << 19
// CpuFeatureAmd64SSE4_2 is the flag to query CpuFeatureFlags.Has for SSEv4.2 capabilities on amd64
CpuFeatureAmd64SSE4_2 CpuFeature = 1 << 20
// Note: when adding new features, ensure that the feature is included in CpuFeatureFlags.Raw.
)
const (
// CpuExtraFeatureAmd64ABM is the flag to query CpuFeatureFlags.HasExtra for Advanced Bit Manipulation capabilities (e.g. LZCNT) on amd64
CpuExtraFeatureAmd64ABM CpuFeature = 1 << 5
// Note: when adding new features, ensure that the feature is included in CpuFeatureFlags.Raw.
)

36
vendor/github.com/tetratelabs/wazero/internal/platform/cpuid_amd64.go generated vendored
View File

@ -2,10 +2,10 @@
package platform
// CpuFeatures exposes the capabilities for this CPU, queried via the Has, HasExtra methods
var CpuFeatures CpuFeatureFlags = loadCpuFeatureFlags()
// CpuFeatures exposes the capabilities for this CPU, queried via the Has, HasExtra methods.
var CpuFeatures = loadCpuFeatureFlags()
// cpuFeatureFlags implements CpuFeatureFlags interface
// cpuFeatureFlags implements CpuFeatureFlags interface.
type cpuFeatureFlags struct {
flags uint64
extraFlags uint64
@ -15,13 +15,13 @@ type cpuFeatureFlags struct {
// implemented in impl_amd64.s
func cpuid(arg1, arg2 uint32) (eax, ebx, ecx, edx uint32)
// cpuidAsBitmap combines the result of invoking cpuid to uint64 bitmap
// cpuidAsBitmap combines the result of invoking cpuid to uint64 bitmap.
func cpuidAsBitmap(arg1, arg2 uint32) uint64 {
_ /* eax */, _ /* ebx */, ecx, edx := cpuid(arg1, arg2)
return (uint64(edx) << 32) | uint64(ecx)
}
// loadStandardRange load flags from the standard range, panics otherwise
// loadStandardRange load flags from the standard range, panics otherwise.
func loadStandardRange(id uint32) uint64 {
// ensure that the id is in the valid range, returned by cpuid(0,0)
maxRange, _, _, _ := cpuid(0, 0)
@ -31,7 +31,7 @@ func loadStandardRange(id uint32) uint64 {
return cpuidAsBitmap(id, 0)
}
// loadStandardRange load flags from the extended range, panics otherwise
// loadStandardRange load flags from the extended range, panics otherwise.
func loadExtendedRange(id uint32) uint64 {
// ensure that the id is in the valid range, returned by cpuid(0x80000000,0)
maxRange, _, _, _ := cpuid(0x80000000, 0)
@ -48,12 +48,32 @@ func loadCpuFeatureFlags() CpuFeatureFlags {
}
}
// Has implements the same method on the CpuFeatureFlags interface
// Has implements the same method on the CpuFeatureFlags interface.
func (f *cpuFeatureFlags) Has(cpuFeature CpuFeature) bool {
return (f.flags & uint64(cpuFeature)) != 0
}
// HasExtra implements the same method on the CpuFeatureFlags interface
// HasExtra implements the same method on the CpuFeatureFlags interface.
func (f *cpuFeatureFlags) HasExtra(cpuFeature CpuFeature) bool {
return (f.extraFlags & uint64(cpuFeature)) != 0
}
// Raw implements the same method on the CpuFeatureFlags interface.
func (f *cpuFeatureFlags) Raw() uint64 {
// Below, we only set the first 4 bits for the features we care about,
// instead of setting all the unnecessary bits obtained from the CPUID instruction.
var ret uint64
if f.Has(CpuFeatureAmd64SSE3) {
ret = 1 << 0
}
if f.Has(CpuFeatureAmd64SSE4_1) {
ret |= 1 << 1
}
if f.Has(CpuFeatureAmd64SSE4_2) {
ret |= 1 << 2
}
if f.HasExtra(CpuExtraFeatureAmd64ABM) {
ret |= 1 << 3
}
return ret
}

9
vendor/github.com/tetratelabs/wazero/internal/platform/cpuid_unsupported.go generated vendored
View File

@ -4,11 +4,14 @@ package platform
var CpuFeatures CpuFeatureFlags = &cpuFeatureFlags{}
// cpuFeatureFlags implements CpuFeatureFlags for unsupported platforms
// cpuFeatureFlags implements CpuFeatureFlags for unsupported platforms.
type cpuFeatureFlags struct{}
// Has implements the same method on the CpuFeatureFlags interface
// Has implements the same method on the CpuFeatureFlags interface.
func (c *cpuFeatureFlags) Has(cpuFeature CpuFeature) bool { return false }
// HasExtra implements the same method on the CpuFeatureFlags interface
// HasExtra implements the same method on the CpuFeatureFlags interface.
func (c *cpuFeatureFlags) HasExtra(cpuFeature CpuFeature) bool { return false }
// Raw implements the same method on the CpuFeatureFlags interface.
func (c *cpuFeatureFlags) Raw() uint64 { return 0 }

2
vendor/github.com/tetratelabs/wazero/internal/platform/mmap_unix.go generated vendored
View File

@ -12,8 +12,6 @@ const (
mmapProtARM64 = syscall.PROT_READ | syscall.PROT_WRITE
)
const MmapSupported = true
func munmapCodeSegment(code []byte) error {
return syscall.Munmap(code)
}

2
vendor/github.com/tetratelabs/wazero/internal/platform/mmap_unsupported.go generated vendored
View File

@ -9,8 +9,6 @@ import (
var errUnsupported = fmt.Errorf("mmap unsupported on GOOS=%s. Use interpreter instead.", runtime.GOOS)
const MmapSupported = false
func munmapCodeSegment(code []byte) error {
panic(errUnsupported)
}

2
vendor/github.com/tetratelabs/wazero/internal/platform/mmap_windows.go generated vendored
View File

@ -21,8 +21,6 @@ const (
windows_PAGE_EXECUTE_READWRITE uintptr = 0x00000040
)
const MmapSupported = true
func munmapCodeSegment(code []byte) error {
return freeMemory(code)
}

3
vendor/github.com/tetratelabs/wazero/internal/sysfs/file.go generated vendored
View File

@ -38,9 +38,6 @@ func NewStdioFile(stdin bool, f fs.File) (fsapi.File, error) {
}
func OpenFile(path string, flag experimentalsys.Oflag, perm fs.FileMode) (*os.File, experimentalsys.Errno) {
if flag&experimentalsys.O_DIRECTORY != 0 && flag&(experimentalsys.O_WRONLY|experimentalsys.O_RDWR) != 0 {
return nil, experimentalsys.EISDIR // invalid to open a directory writeable
}
return openFile(path, flag, perm)
}

3
vendor/github.com/tetratelabs/wazero/internal/wasm/engine.go generated vendored
View File

@ -69,4 +69,7 @@ type ModuleEngine interface {
// FunctionInstanceReference returns Reference for the given Index for a FunctionInstance. The returned values are used by
// the initialization via ElementSegment.
FunctionInstanceReference(funcIndex Index) Reference
// MemoryGrown notifies the engine that the memory has grown.
MemoryGrown()
}

7
vendor/github.com/tetratelabs/wazero/internal/wasm/func_validation.go generated vendored
View File

@ -67,11 +67,6 @@ func (m *Module) validateFunctionWithMaxStackValues(
declaredFunctionIndexes map[Index]struct{},
br *bytes.Reader,
) error {
nonStaticLocals := make(map[Index]struct{})
if len(m.NonStaticLocals) > 0 {
m.NonStaticLocals[idx] = nonStaticLocals
}
functionType := &m.TypeSection[m.FunctionSection[idx]]
code := &m.CodeSection[idx]
body := code.Body
@ -357,7 +352,6 @@ func (m *Module) validateFunctionWithMaxStackValues(
return fmt.Errorf("invalid local index for %s %d >= %d(=len(locals)+len(parameters))",
OpcodeLocalSetName, index, l)
}
nonStaticLocals[index] = struct{}{}
var expType ValueType
if index < inputLen {
expType = functionType.Params[index]
@ -373,7 +367,6 @@ func (m *Module) validateFunctionWithMaxStackValues(
return fmt.Errorf("invalid local index for %s %d >= %d(=len(locals)+len(parameters))",
OpcodeLocalTeeName, index, l)
}
nonStaticLocals[index] = struct{}{}
var expType ValueType
if index < inputLen {
expType = functionType.Params[index]

11
vendor/github.com/tetratelabs/wazero/internal/wasm/memory.go generated vendored
View File

@ -59,11 +59,14 @@ type MemoryInstance struct {
// with a fixed weight of 1 and no spurious notifications.
waiters sync.Map
// ownerModuleEngine is the module engine that owns this memory instance.
ownerModuleEngine ModuleEngine
expBuffer experimental.LinearMemory
}
// NewMemoryInstance creates a new instance based on the parameters in the SectionIDMemory.
func NewMemoryInstance(memSec *Memory, allocator experimental.MemoryAllocator) *MemoryInstance {
func NewMemoryInstance(memSec *Memory, allocator experimental.MemoryAllocator, moduleEngine ModuleEngine) *MemoryInstance {
minBytes := MemoryPagesToBytesNum(memSec.Min)
capBytes := MemoryPagesToBytesNum(memSec.Cap)
maxBytes := MemoryPagesToBytesNum(memSec.Max)
@ -95,6 +98,7 @@ func NewMemoryInstance(memSec *Memory, allocator experimental.MemoryAllocator) *
Max: memSec.Max,
Shared: memSec.IsShared,
expBuffer: expBuffer,
ownerModuleEngine: moduleEngine,
}
}
@ -247,14 +251,12 @@ func (m *MemoryInstance) Grow(delta uint32) (result uint32, ok bool) {
m.Buffer = buffer
m.Cap = newPages
}
return currentPages, true
} else if newPages > m.Cap { // grow the memory.
if m.Shared {
panic("shared memory cannot be grown, this is a bug in wazero")
}
m.Buffer = append(m.Buffer, make([]byte, MemoryPagesToBytesNum(delta))...)
m.Cap = newPages
return currentPages, true
} else { // We already have the capacity we need.
if m.Shared {
// We assume grow is called under a guest lock.
@ -264,8 +266,9 @@ func (m *MemoryInstance) Grow(delta uint32) (result uint32, ok bool) {
} else {
m.Buffer = m.Buffer[:MemoryPagesToBytesNum(newPages)]
}
return currentPages, true
}
m.ownerModuleEngine.MemoryGrown()
return currentPages, true
}
// Pages implements the same method as documented on api.Memory.

7
vendor/github.com/tetratelabs/wazero/internal/wasm/module.go generated vendored
View File

@ -185,9 +185,6 @@ type Module struct {
// as described in https://yurydelendik.github.io/webassembly-dwarf/, though it is not specified in the Wasm
// specification: https://github.com/WebAssembly/debugging/issues/1
DWARFLines *wasmdebug.DWARFLines
// NonStaticLocals collects the local indexes that will change its value through either local.get or local.tee.
NonStaticLocals []map[Index]struct{}
}
// ModuleID represents sha256 hash value uniquely assigned to Module.
@ -366,8 +363,6 @@ func (m *Module) validateFunctions(enabledFeatures api.CoreFeatures, functions [
br := bytes.NewReader(nil)
// Also, we reuse the stacks across multiple function validations to reduce allocations.
vs := &stacks{}
// Non-static locals are gathered during validation and used in the down-stream compilation.
m.NonStaticLocals = make([]map[Index]struct{}, len(m.FunctionSection))
for idx, typeIndex := range m.FunctionSection {
if typeIndex >= typeCount {
return fmt.Errorf("invalid %s: type section index %d out of range", m.funcDesc(SectionIDFunction, Index(idx)), typeIndex)
@ -655,7 +650,7 @@ func paramNames(localNames IndirectNameMap, funcIdx uint32, paramLen int) []stri
func (m *ModuleInstance) buildMemory(module *Module, allocator experimental.MemoryAllocator) {
memSec := module.MemorySection
if memSec != nil {
m.MemoryInstance = NewMemoryInstance(memSec, allocator)
m.MemoryInstance = NewMemoryInstance(memSec, allocator, m.Engine)
m.MemoryInstance.definition = &module.MemoryDefinitionSection[0]
}
}

4
vendor/modules.txt vendored
View File

@ -517,7 +517,7 @@ github.com/modern-go/concurrent
# github.com/modern-go/reflect2 v1.0.2
## explicit; go 1.12
github.com/modern-go/reflect2
# github.com/ncruces/go-sqlite3 v0.16.1
# github.com/ncruces/go-sqlite3 v0.16.2
## explicit; go 1.21
github.com/ncruces/go-sqlite3
github.com/ncruces/go-sqlite3/driver
@ -833,7 +833,7 @@ github.com/tdewolff/parse/v2/strconv
# github.com/technologize/otel-go-contrib v1.1.1
## explicit; go 1.17
github.com/technologize/otel-go-contrib/otelginmetrics
# github.com/tetratelabs/wazero v1.7.2
# github.com/tetratelabs/wazero v1.7.3
## explicit; go 1.20
github.com/tetratelabs/wazero
github.com/tetratelabs/wazero/api