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instructions.go
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package wasm
import (
"github.com/wader/fq/pkg/decode"
"github.com/wader/fq/pkg/scalar"
)
func decodeBlockType(d *decode.D, name string) {
b := d.PeekBytes(1)[0]
switch b {
case 0x40:
d.FieldU8(name, scalar.UintSym("ε"))
case 0x6f, 0x70, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f:
d.FieldU8(name, valtypeToSymMapper)
default:
d.FieldSLEB128(name)
}
}
func decodeMemArg(d *decode.D, name string) {
d.FieldStruct(name, func(d *decode.D) {
fieldU32(d, "a")
fieldU32(d, "o")
})
}
// Decode expr.
//
// expr ::= (in:instr)* 0x0B => in* end
func decodeExpr(d *decode.D, name string) {
d.FieldArray(name, func(d *decode.D) {
for {
b := d.PeekBytes(1)[0]
d.FieldStruct("in", decodeInstruction)
if b == 0x0b {
break
}
}
})
}
type Opcode uint64
type instructionInfo struct {
mnemonic string
f func(d *decode.D) // function to decode operands
}
type instructionMap map[Opcode]instructionInfo
func (m instructionMap) MapUint(s scalar.Uint) (scalar.Uint, error) {
opcode := s.Actual
instr, found := m[Opcode(opcode)]
if !found {
return s, nil
}
s.Sym = instr.mnemonic
return s, nil
}
var instrMap = instructionMap{
0x00: {mnemonic: "unreachable"},
0x01: {mnemonic: "nop"},
// for the following 3 entries, `f` will be set in decodeWASM() to break initialization reference cycle.
0x02: {mnemonic: "block"},
0x03: {mnemonic: "loop"},
0x04: {mnemonic: "if"},
0x0b: {mnemonic: "end"},
0x0c: {mnemonic: "br", f: decodeLabelIdxWithName("l")},
0x0d: {mnemonic: "br_if", f: decodeLabelIdxWithName("l")},
0x0e: {mnemonic: "br_table", f: decodeBrTable},
0x0f: {mnemonic: "return"},
0x10: {mnemonic: "call", f: decodeCall},
0x11: {mnemonic: "call_indirect", f: decodeCallIndirect},
0x1a: {mnemonic: "drop"},
0x1b: {mnemonic: "select"},
0x1c: {mnemonic: "select", f: decodeSelectT},
0x20: {mnemonic: "local.get", f: decodeLocalIdxWithName("x")},
0x21: {mnemonic: "local.set", f: decodeLocalIdxWithName("x")},
0x22: {mnemonic: "local.tee", f: decodeLocalIdxWithName("x")},
0x23: {mnemonic: "global.get", f: decodeGlobalIdxWithName("x")},
0x24: {mnemonic: "global.set", f: decodeGlobalIdxWithName("x")},
0x25: {mnemonic: "table.get", f: decodeTableIdxWithName("x")},
0x26: {mnemonic: "table.set", f: decodeTableIdxWithName("x")},
0x28: {mnemonic: "i32.load", f: decodeMemArgWithName("m")},
0x29: {mnemonic: "i64.load", f: decodeMemArgWithName("m")},
0x2a: {mnemonic: "f32.load", f: decodeMemArgWithName("m")},
0x2b: {mnemonic: "f64.load", f: decodeMemArgWithName("m")},
0x2c: {mnemonic: "i32.load8_s", f: decodeMemArgWithName("m")},
0x2d: {mnemonic: "i32.load8_u", f: decodeMemArgWithName("m")},
0x2e: {mnemonic: "i32.load16_s", f: decodeMemArgWithName("m")},
0x2f: {mnemonic: "i32.load16_u", f: decodeMemArgWithName("m")},
0x30: {mnemonic: "i64.load8_s", f: decodeMemArgWithName("m")},
0x31: {mnemonic: "i64.load8_u", f: decodeMemArgWithName("m")},
0x32: {mnemonic: "i64.load16_s", f: decodeMemArgWithName("m")},
0x33: {mnemonic: "i64.load16_u", f: decodeMemArgWithName("m")},
0x34: {mnemonic: "i64.load32_s", f: decodeMemArgWithName("m")},
0x35: {mnemonic: "i64.load32_u", f: decodeMemArgWithName("m")},
0x36: {mnemonic: "i32.store", f: decodeMemArgWithName("m")},
0x37: {mnemonic: "i64.store", f: decodeMemArgWithName("m")},
0x38: {mnemonic: "f32.store", f: decodeMemArgWithName("m")},
0x39: {mnemonic: "f64.store", f: decodeMemArgWithName("m")},
0x3a: {mnemonic: "i32.store8", f: decodeMemArgWithName("m")},
0x3b: {mnemonic: "i32.store16", f: decodeMemArgWithName("m")},
0x3c: {mnemonic: "i64.store8", f: decodeMemArgWithName("m")},
0x3d: {mnemonic: "i64.store16", f: decodeMemArgWithName("m")},
0x3e: {mnemonic: "i64.store32", f: decodeMemArgWithName("m")},
0x3f: {mnemonic: "memory.size", f: decodeMemorySize},
0x40: {mnemonic: "memory.grow", f: decodeMemoryGrow},
0x41: {mnemonic: "i32.const", f: decodeI32Const},
0x42: {mnemonic: "i64.const", f: decodeI64Const},
0x43: {mnemonic: "f32.const", f: decodeF32Const},
0x44: {mnemonic: "f64.const", f: decodeF64Const},
0x45: {mnemonic: "32.eqz"},
0x46: {mnemonic: "i32.eq"},
0x47: {mnemonic: "i32.ne"},
0x48: {mnemonic: "i32.lt_s"},
0x49: {mnemonic: "i32.lt_u"},
0x4a: {mnemonic: "i32.gt_s"},
0x4b: {mnemonic: "i32.gt_u"},
0x4c: {mnemonic: "i32.le_s"},
0x4d: {mnemonic: "i32.le_u"},
0x4e: {mnemonic: "i32.ge_s"},
0x4f: {mnemonic: "i32.ge_u"},
0x50: {mnemonic: "i64.eqz"},
0x51: {mnemonic: "i64.eq"},
0x52: {mnemonic: "i64.ne"},
0x53: {mnemonic: "i64.lt_s"},
0x54: {mnemonic: "i64.lt_u"},
0x55: {mnemonic: "i64.gt_s"},
0x56: {mnemonic: "i64.gt_u"},
0x57: {mnemonic: "i64.le_s"},
0x58: {mnemonic: "i64.le_u"},
0x59: {mnemonic: "i64.ge_s"},
0x5a: {mnemonic: "i64.ge_u"},
0x5b: {mnemonic: "f32.eq"},
0x5c: {mnemonic: "f32.ne"},
0x5d: {mnemonic: "f32.lt"},
0x5e: {mnemonic: "f32.gt"},
0x5f: {mnemonic: "f32.le"},
0x60: {mnemonic: "f32.ge"},
0x61: {mnemonic: "f64.eq"},
0x62: {mnemonic: "f64.ne"},
0x63: {mnemonic: "f64.lt"},
0x64: {mnemonic: "f64.gt"},
0x65: {mnemonic: "f64.le"},
0x66: {mnemonic: "f64.ge"},
0x67: {mnemonic: "i32.clz"},
0x68: {mnemonic: "i32.ctz"},
0x69: {mnemonic: "i32.popcnt"},
0x6a: {mnemonic: "i32.add"},
0x6b: {mnemonic: "i32.sub"},
0x6c: {mnemonic: "i32.mul"},
0x6d: {mnemonic: "i32.div_s"},
0x6e: {mnemonic: "i32.div_u"},
0x6f: {mnemonic: "i32.rem_s"},
0x70: {mnemonic: "i32.rem_u"},
0x71: {mnemonic: "i32.and"},
0x72: {mnemonic: "i32.or"},
0x73: {mnemonic: "i32.xor"},
0x74: {mnemonic: "i32.shl"},
0x75: {mnemonic: "i32.shr_s"},
0x76: {mnemonic: "i32.shr_u"},
0x77: {mnemonic: "i32.rotl"},
0x78: {mnemonic: "i32.rotr"},
0x79: {mnemonic: "i64.clz"},
0x7a: {mnemonic: "i64.ctz"},
0x7b: {mnemonic: "i64.popcnt"},
0x7c: {mnemonic: "i64.add"},
0x7d: {mnemonic: "i64.sub"},
0x7e: {mnemonic: "i64.mul"},
0x7f: {mnemonic: "i64.div_s"},
0x80: {mnemonic: "i64.div_u"},
0x81: {mnemonic: "i64.rem_s"},
0x82: {mnemonic: "i64.rem_u"},
0x83: {mnemonic: "i64.and"},
0x84: {mnemonic: "i64.or"},
0x85: {mnemonic: "i64.xor"},
0x86: {mnemonic: "i64.shl"},
0x87: {mnemonic: "i64.shr_s"},
0x88: {mnemonic: "i64.shr_u"},
0x89: {mnemonic: "i64.rotl"},
0x8a: {mnemonic: "i64.rotr"},
0x8b: {mnemonic: "f32.abs"},
0x8c: {mnemonic: "f32.neg"},
0x8d: {mnemonic: "f32.ceil"},
0x8e: {mnemonic: "f32.floor"},
0x8f: {mnemonic: "f32.trunc"},
0x90: {mnemonic: "f32.nearest"},
0x91: {mnemonic: "f32.sqrt"},
0x92: {mnemonic: "f32.add"},
0x93: {mnemonic: "f32.sub"},
0x94: {mnemonic: "f32.mul"},
0x95: {mnemonic: "f32.div"},
0x96: {mnemonic: "f32.min"},
0x97: {mnemonic: "f32.max"},
0x98: {mnemonic: "f32.copysign"},
0x99: {mnemonic: "f64.abs"},
0x9a: {mnemonic: "f64.neg"},
0x9b: {mnemonic: "f64.ceil"},
0x9c: {mnemonic: "f64.floor"},
0x9d: {mnemonic: "f64.trunc"},
0x9e: {mnemonic: "f64.nearest"},
0x9f: {mnemonic: "f64.sqrt"},
0xa0: {mnemonic: "f64.add"},
0xa1: {mnemonic: "f64.sub"},
0xa2: {mnemonic: "f64.mul"},
0xa3: {mnemonic: "f64.div"},
0xa4: {mnemonic: "f64.min"},
0xa5: {mnemonic: "f64.max"},
0xa6: {mnemonic: "f64.copysign"},
0xa7: {mnemonic: "i32.wrap_i64"},
0xa8: {mnemonic: "i32.trunc_f32_s"},
0xa9: {mnemonic: "i32.trunc_f32_u"},
0xaa: {mnemonic: "i32.trunc_f64_s"},
0xab: {mnemonic: "i32.trunc_f64_u"},
0xac: {mnemonic: "i64.extend_i32_s"},
0xad: {mnemonic: "i64.extend_i32_u"},
0xae: {mnemonic: "i64.trunc_f32_s"},
0xaf: {mnemonic: "i64.trunc_f32_u"},
0xb0: {mnemonic: "i64.trunc_f64_s"},
0xb1: {mnemonic: "i64.trunc_f64_u"},
0xb2: {mnemonic: "f32.convert_i32_s"},
0xb3: {mnemonic: "f32.convert_i32_u"},
0xb4: {mnemonic: "f32.convert_i64_s"},
0xb5: {mnemonic: "f32.convert_i64_u"},
0xb6: {mnemonic: "f32.demote_f64"},
0xb7: {mnemonic: "f64.convert_i32_s"},
0xb8: {mnemonic: "f64.convert_i32_u"},
0xb9: {mnemonic: "f64.convert_i64_s"},
0xba: {mnemonic: "f64.convert_i64_u"},
0xbb: {mnemonic: "f64.promote_f32"},
0xbc: {mnemonic: "i32.reinterpret_f32"},
0xbd: {mnemonic: "i64.reinterpret_f64"},
0xbe: {mnemonic: "f32.reinterpret_i32"},
0xbf: {mnemonic: "f64.reinterpret_i64"},
0xc0: {mnemonic: "i32.extend8_s"},
0xc1: {mnemonic: "i32.extend16_s"},
0xc2: {mnemonic: "i64.extend8_s"},
0xc3: {mnemonic: "i64.extend16_s"},
0xc4: {mnemonic: "i64.extend32_s"},
0xd0: {mnemonic: "ref.null", f: decodeRefNull},
0xd1: {mnemonic: "ref.is_null"},
0xd2: {mnemonic: "ref.func", f: decodeRefFunc},
0xfc: {mnemonic: "prefix", f: decodePrefixedInstruction},
0xfd: {mnemonic: "vector", f: decodeVectorInstruction},
}
func decodeInstruction(d *decode.D) {
opcode := decodeOpcode(d)
instr := instrMap[opcode]
if instr.f != nil {
instr.f(d)
}
}
func decodeOpcode(d *decode.D) Opcode {
return Opcode(d.FieldU8("opcode", instrMap, scalar.UintHex))
}
func decodeElse(d *decode.D) {
d.FieldU8("else", d.UintAssert(uint64(0x05)), scalar.UintHex)
}
func decodeEnd(d *decode.D) {
d.FieldU8("end", d.UintAssert(uint64(0x0b)), scalar.UintHex)
}
func decodeBlock(d *decode.D) {
decodeBlockType(d, "bt")
d.FieldArray("instructions", func(d *decode.D) {
for {
b := d.PeekBytes(1)[0]
if b == 0x0b {
break
}
d.FieldStruct("instr", decodeInstruction)
}
})
decodeEnd(d)
}
func decodeLoop(d *decode.D) {
decodeBlockType(d, "bt")
d.FieldArray("instructions", func(d *decode.D) {
for {
b := d.PeekBytes(1)[0]
if b == 0x0b {
break
}
d.FieldStruct("instr", decodeInstruction)
}
})
decodeEnd(d)
}
func decodeIf(d *decode.D) {
decodeBlockType(d, "bt")
elseClause := false
d.FieldArray("in1", func(d *decode.D) {
for {
b := d.PeekBytes(1)[0]
if b == 0x05 {
elseClause = true
break
}
if b == 0x0b {
break
}
d.FieldStruct("instr", decodeInstruction)
}
})
if elseClause {
decodeElse(d)
d.FieldArray("in2", func(d *decode.D) {
for {
b := d.PeekBytes(1)[0]
if b == 0x0b {
break
}
d.FieldStruct("instr", decodeInstruction)
}
})
}
decodeEnd(d)
}
func decodeLabelIdxWithName(name string) func(d *decode.D) {
return func(d *decode.D) {
decodeLabelIdx(d, name)
}
}
func decodeBrTable(d *decode.D) {
decodeVec(d, "l", func(d *decode.D) {
decodeLabelIdx(d, "l")
})
decodeLabelIdx(d, "lN")
}
func decodeCall(d *decode.D) {
decodeFuncIdx(d, "x")
}
func decodeCallIndirect(d *decode.D) {
decodeTypeIdx(d, "y")
decodeTableIdx(d, "x")
}
func decodeSelectT(d *decode.D) {
decodeVec(d, "t", func(d *decode.D) {
decodeValType(d, "t")
})
}
func decodeLocalIdxWithName(name string) func(d *decode.D) {
return func(d *decode.D) {
decodeLocalIdx(d, name)
}
}
func decodeGlobalIdxWithName(name string) func(d *decode.D) {
return func(d *decode.D) {
decodeGlobalIdx(d, name)
}
}
//nolint:unparam
func decodeTableIdxWithName(name string) func(d *decode.D) {
return func(d *decode.D) {
decodeTableIdx(d, name)
}
}
//nolint:unparam
func decodeMemArgWithName(name string) func(d *decode.D) {
return func(d *decode.D) {
decodeMemArg(d, name)
}
}
func decodeMemorySize(d *decode.D) {
d.FieldU8("reserved", d.UintAssert(0x00), scalar.UintHex)
}
func decodeMemoryGrow(d *decode.D) {
d.FieldU8("reserved", d.UintAssert(0x00), scalar.UintHex)
}
func decodeI32Const(d *decode.D) {
fieldI32(d, "n")
}
func decodeI64Const(d *decode.D) {
fieldI64(d, "n")
}
func decodeF32Const(d *decode.D) {
d.FieldF32("z")
}
func decodeF64Const(d *decode.D) {
d.FieldF64("z")
}
func decodeRefNull(d *decode.D) {
decodeRefType(d, "t")
}
func decodeRefFunc(d *decode.D) {
decodeFuncIdx(d, "x")
}
var prefixedInstrMap = instructionMap{
0: {mnemonic: "i32.trunc_sat_f32_s"},
1: {mnemonic: "i32.trunc_sat_f32_u"},
2: {mnemonic: "i32.trunc_sat_f64_s"},
3: {mnemonic: "i32.trunc_sat_f64_u"},
4: {mnemonic: "i64.trunc_sat_f32_s"},
5: {mnemonic: "i64.trunc_sat_f32_u"},
6: {mnemonic: "i64.trunc_sat_f64_s"},
7: {mnemonic: "i64.trunc_sat_f64_u"},
8: {mnemonic: "memory.init", f: decodeMemoryInit},
9: {mnemonic: "data.drop", f: decodeDataDrop},
10: {mnemonic: "memory.copy", f: decodeMemoryCopy},
11: {mnemonic: "memory.fill", f: decodeMemoryFill},
12: {mnemonic: "table.init", f: decodeTableInit},
13: {mnemonic: "elem.drop", f: decodeElemDrop},
14: {mnemonic: "table.copy", f: decodeTableCopy},
15: {mnemonic: "table.grow", f: decodeTableIdxWithName("x")},
16: {mnemonic: "table.size", f: decodeTableIdxWithName("x")},
17: {mnemonic: "table.fill", f: decodeTableIdxWithName("x")},
}
func decodePrefixedInstruction(d *decode.D) {
opcode := decodePrefixedOpcode(d)
instr := prefixedInstrMap[opcode]
if instr.f != nil {
instr.f(d)
}
}
func decodePrefixedOpcode(d *decode.D) Opcode {
return Opcode(d.FieldULEB128("p_opcode", prefixedInstrMap))
}
func decodeMemoryInit(d *decode.D) {
decodeDataIdx(d, "x")
d.FieldU8("reserved", scalar.UintHex, d.UintAssert(0))
}
func decodeDataDrop(d *decode.D) {
decodeDataIdx(d, "x")
}
func decodeMemoryCopy(d *decode.D) {
d.FieldU8("reserved1", scalar.UintHex, d.UintAssert(0))
d.FieldU8("reserved2", scalar.UintHex, d.UintAssert(0))
}
func decodeMemoryFill(d *decode.D) {
d.FieldU8("reserved", scalar.UintHex, d.UintAssert(0))
}
func decodeTableInit(d *decode.D) {
decodeElemIdx(d, "y")
decodeTableIdx(d, "x")
}
func decodeElemDrop(d *decode.D) {
decodeElemIdx(d, "x")
}
func decodeTableCopy(d *decode.D) {
decodeTableIdx(d, "x")
decodeTableIdx(d, "y")
}
var vectorInstrMap = instructionMap{
0: {mnemonic: "v128.load", f: decodeMemArgWithName("m")},
1: {mnemonic: "v128.load8x8_s", f: decodeMemArgWithName("m")},
2: {mnemonic: "v128.load8x8_u", f: decodeMemArgWithName("m")},
3: {mnemonic: "v128.load16x4_s", f: decodeMemArgWithName("m")},
4: {mnemonic: "v128.load16x4_u", f: decodeMemArgWithName("m")},
5: {mnemonic: "v128.load32x2_s", f: decodeMemArgWithName("m")},
6: {mnemonic: "v128.load32x2_u", f: decodeMemArgWithName("m")},
7: {mnemonic: "v128.load8_splat", f: decodeMemArgWithName("m")},
8: {mnemonic: "v128.load16_splat", f: decodeMemArgWithName("m")},
9: {mnemonic: "v128.load32_splat", f: decodeMemArgWithName("m")},
10: {mnemonic: "v128.load64_splat", f: decodeMemArgWithName("m")},
11: {mnemonic: "v128.store", f: decodeMemArgWithName("m")},
12: {mnemonic: "v128.const", f: decodeV128ConstOperand},
13: {mnemonic: "i8x16.shuffle", f: decodeI8x16ShuffleOperand},
14: {mnemonic: "i8x16.swizzle"},
15: {mnemonic: "i8x16.splat"},
16: {mnemonic: "i16x8.splat"},
17: {mnemonic: "i32x4.splat"},
18: {mnemonic: "i64x2.splat"},
19: {mnemonic: "f32x4.splat"},
20: {mnemonic: "f64x2.splat"},
21: {mnemonic: "i8x16.extract_lane_s", f: decodeLaneIdxWithName("l")},
22: {mnemonic: "i8x16.extract_lane_u", f: decodeLaneIdxWithName("l")},
23: {mnemonic: "i8x16.replace_lane", f: decodeLaneIdxWithName("l")},
24: {mnemonic: "i16x8.extract_lane_s", f: decodeLaneIdxWithName("l")},
25: {mnemonic: "i16x8.extract_lane_u", f: decodeLaneIdxWithName("l")},
26: {mnemonic: "i16x8.replace_lane", f: decodeLaneIdxWithName("l")},
27: {mnemonic: "i32x4.extract_lane", f: decodeLaneIdxWithName("l")},
28: {mnemonic: "i32x4.replace_lane", f: decodeLaneIdxWithName("l")},
29: {mnemonic: "i64x2.extract_lane", f: decodeLaneIdxWithName("l")},
30: {mnemonic: "i64x2.replace_lane", f: decodeLaneIdxWithName("l")},
31: {mnemonic: "f32x4.extract_lane", f: decodeLaneIdxWithName("l")},
32: {mnemonic: "f32x4.replace_lane", f: decodeLaneIdxWithName("l")},
33: {mnemonic: "f64x2.extract_lane", f: decodeLaneIdxWithName("l")},
34: {mnemonic: "f64x2.replace_lane", f: decodeLaneIdxWithName("l")},
35: {mnemonic: "i8x16.eq"},
36: {mnemonic: "i8x16.ne"},
37: {mnemonic: "i8x16.lt_s"},
38: {mnemonic: "i8x16.lt_u"},
39: {mnemonic: "i8x16.gt_s"},
40: {mnemonic: "i8x16.gt_u"},
41: {mnemonic: "i8x16.le_s"},
42: {mnemonic: "i8x16.le_u"},
43: {mnemonic: "i8x16.ge_s"},
44: {mnemonic: "i8x16.ge_u"},
45: {mnemonic: "i16x8.eq"},
46: {mnemonic: "i16x8.ne"},
47: {mnemonic: "i16x8.lt_s"},
48: {mnemonic: "i16x8.lt_u"},
49: {mnemonic: "i16x8.gt_s"},
50: {mnemonic: "i16x8.gt_u"},
51: {mnemonic: "i16x8.le_s"},
52: {mnemonic: "i16x8.le_u"},
53: {mnemonic: "i16x8.ge_s"},
54: {mnemonic: "i16x8.ge_u"},
55: {mnemonic: "i32x4.eq"},
56: {mnemonic: "i32x4.ne"},
57: {mnemonic: "i32x4.lt_s"},
58: {mnemonic: "i32x4.lt_u"},
59: {mnemonic: "i32x4.gt_s"},
60: {mnemonic: "i32x4.gt_u"},
61: {mnemonic: "i32x4.le_s"},
62: {mnemonic: "i32x4.le_u"},
63: {mnemonic: "i32x4.ge_s"},
64: {mnemonic: "i32x4.ge_u"},
65: {mnemonic: "f32x4.eq"},
66: {mnemonic: "f32x4.ne"},
67: {mnemonic: "f32x4.lt"},
68: {mnemonic: "f32x4.gt"},
69: {mnemonic: "f32x4.le"},
70: {mnemonic: "f32x4.ge"},
71: {mnemonic: "f64x2.eq"},
72: {mnemonic: "f64x2.ne"},
73: {mnemonic: "f64x2.lt"},
74: {mnemonic: "f64x2.gt"},
75: {mnemonic: "f64x2.le"},
76: {mnemonic: "f64x2.ge"},
77: {mnemonic: "v128.not"},
78: {mnemonic: "v128.and"},
79: {mnemonic: "v128.andnot"},
80: {mnemonic: "v128.or"},
81: {mnemonic: "v128.xor"},
82: {mnemonic: "v128.bitselect"},
83: {mnemonic: "v128.any_true"},
84: {mnemonic: "v128.load8_lane", f: decodeMemArgAndLaneIdxWithNames("m", "l")},
85: {mnemonic: "v128.load16_lane", f: decodeMemArgAndLaneIdxWithNames("m", "l")},
86: {mnemonic: "v128.load32_lane", f: decodeMemArgAndLaneIdxWithNames("m", "l")},
87: {mnemonic: "v128.load64_lane", f: decodeMemArgAndLaneIdxWithNames("m", "l")},
88: {mnemonic: "v128.store8_lane", f: decodeMemArgAndLaneIdxWithNames("m", "l")},
89: {mnemonic: "v128.store16_lane", f: decodeMemArgAndLaneIdxWithNames("m", "l")},
90: {mnemonic: "v128.store32_lane", f: decodeMemArgAndLaneIdxWithNames("m", "l")},
91: {mnemonic: "v128.store64_lane", f: decodeMemArgAndLaneIdxWithNames("m", "l")},
92: {mnemonic: "v128.load32_zero", f: decodeMemArgWithName("m")},
93: {mnemonic: "v128.load64_zero", f: decodeMemArgWithName("m")},
94: {mnemonic: "f32x4.demote_f64x2_zero"},
95: {mnemonic: "f64x2.promote_low_f32x4"},
96: {mnemonic: "i8x16.abs"},
97: {mnemonic: "i8x16.neg"},
98: {mnemonic: "i8x16.popcnt"},
99: {mnemonic: "i8x16.all_true"},
100: {mnemonic: "i8x16.bitmask"},
101: {mnemonic: "i8x16.narrow_i16x8_s"},
102: {mnemonic: "i8x16.narrow_i16x8_u"},
103: {mnemonic: "f32x4.ceil"},
104: {mnemonic: "f32x4.floor"},
105: {mnemonic: "f32x4.trunc"},
106: {mnemonic: "f32x4.nearest"},
107: {mnemonic: "i8x16.shl"},
108: {mnemonic: "i8x16.shr_s"},
109: {mnemonic: "i8x16.shr_u"},
110: {mnemonic: "i8x16.add"},
111: {mnemonic: "i8x16.add_sat_s"},
112: {mnemonic: "i8x16.add_sat_u"},
113: {mnemonic: "i8x16.sub"},
114: {mnemonic: "i8x16.sub_sat_s"},
115: {mnemonic: "i8x16.sub_sat_u"},
116: {mnemonic: "f64x2.ceil"},
117: {mnemonic: "f64x2.floor"},
118: {mnemonic: "i8x16.min_s"},
119: {mnemonic: "i8x16.min_u"},
120: {mnemonic: "i8x16.max_s"},
121: {mnemonic: "i8x16.max_u"},
122: {mnemonic: "f64x2.trunc"},
123: {mnemonic: "i8x16.avgr_u"},
124: {mnemonic: "i16x8.extadd_pairwise_i8x16_s"},
125: {mnemonic: "i16x8.extadd_pairwise_i8x16_u"},
126: {mnemonic: "i32x4.extadd_pairwise_i16x8_s"},
127: {mnemonic: "i32x4.extadd_pairwise_i16x8_u"},
128: {mnemonic: "i16x8.abs"},
129: {mnemonic: "i16x8.neg"},
130: {mnemonic: "i16x8.q15mulr_sat_s"},
131: {mnemonic: "i16x8.all_true"},
132: {mnemonic: "i16x8.bitmask"},
133: {mnemonic: "i16x8.narrow_i32x4_s"},
134: {mnemonic: "i16x8.narrow_i32x4_u"},
135: {mnemonic: "i16x8.extend_low_i8x16_s"},
136: {mnemonic: "i16x8.extend_high_i8x16_s"},
137: {mnemonic: "i16x8.extend_low_i8x16_u"},
138: {mnemonic: "i16x8.extend_high_i8x16_u"},
139: {mnemonic: "i16x8.shl"},
140: {mnemonic: "i16x8.shr_s"},
141: {mnemonic: "i16x8.shr_u"},
142: {mnemonic: "i16x8.add"},
143: {mnemonic: "i16x8.add_sat_s"},
144: {mnemonic: "i16x8.add_sat_u"},
145: {mnemonic: "i16x8.sub"},
146: {mnemonic: "i16x8.sub_sat_s"},
147: {mnemonic: "i16x8.sub_sat_u"},
148: {mnemonic: "f64x2.nearest"},
149: {mnemonic: "i16x8.mul"},
150: {mnemonic: "i16x8.min_s"},
151: {mnemonic: "i16x8.min_u"},
152: {mnemonic: "i16x8.max_s"},
153: {mnemonic: "i16x8.max_u"},
155: {mnemonic: "i16x8.avgr_u"},
156: {mnemonic: "i16x8.extmul_low_i8x16_s"},
157: {mnemonic: "i16x8.extmul_high_i8x16_s"},
158: {mnemonic: "i16x8.extmul_low_i8x16_u"},
159: {mnemonic: "i16x8.extmul_high_i8x16_u"},
160: {mnemonic: "i32x4.abs"},
161: {mnemonic: "i32x4.neg"},
163: {mnemonic: "i32x4.all_true"},
164: {mnemonic: "i32x4.bitmask"},
167: {mnemonic: "i32x4.extend_low_i16x8_s"},
168: {mnemonic: "i32x4.extend_high_i16x8_s"},
169: {mnemonic: "i32x4.extend_low_i16x8_u"},
170: {mnemonic: "i32x4.extend_high_i16x8_u"},
171: {mnemonic: "i32x4.shl"},
172: {mnemonic: "i32x4.shr_s"},
173: {mnemonic: "i32x4.shr_u"},
174: {mnemonic: "i32x4.add"},
177: {mnemonic: "i32x4.sub"},
181: {mnemonic: "i32x4.mul"},
182: {mnemonic: "i32x4.min_s"},
183: {mnemonic: "i32x4.min_u"},
184: {mnemonic: "i32x4.max_s"},
185: {mnemonic: "i32x4.max_u"},
186: {mnemonic: "i32x4.dot_i16x8_s"},
188: {mnemonic: "i32x4.extmul_low_i16x8_s"},
189: {mnemonic: "i32x4.extmul_high_i16x8_s"},
190: {mnemonic: "i32x4.extmul_low_i16x8_u"},
191: {mnemonic: "i32x4.extmul_high_i16x8_u"},
192: {mnemonic: "i64x2.abs"},
193: {mnemonic: "i64x2.neg"},
195: {mnemonic: "i64x2.all_true"},
196: {mnemonic: "i64x2.bitmask"},
199: {mnemonic: "i64x2.extend_low_i32x4_s"},
200: {mnemonic: "i64x2.extend_high_i32x4_s"},
201: {mnemonic: "i64x2.extend_low_i32x4_u"},
202: {mnemonic: "i64x2.extend_high_i32x4_u"},
203: {mnemonic: "i64x2.shl"},
204: {mnemonic: "i64x2.shr_s"},
205: {mnemonic: "i64x2.shr_u"},
206: {mnemonic: "i64x2.add"},
209: {mnemonic: "i64x2.sub"},
213: {mnemonic: "i64x2.mul"},
214: {mnemonic: "i64x2.eq"},
215: {mnemonic: "i64x2.ne"},
216: {mnemonic: "i64x2.lt_s"},
217: {mnemonic: "i64x2.gt_s"},
218: {mnemonic: "i64x2.le_s"},
219: {mnemonic: "i64x2.ge_s"},
220: {mnemonic: "i64x2.extmul_low_i32x4_s"},
221: {mnemonic: "i64x2.extmul_high_i32x4_s"},
222: {mnemonic: "i64x2.extmul_low_i32x4_u"},
223: {mnemonic: "i64x2.extmul_high_i32x4_u"},
224: {mnemonic: "f32x4.abs"},
225: {mnemonic: "f32x4.neg"},
227: {mnemonic: "f32x4.sqrt"},
228: {mnemonic: "f32x4.add"},
229: {mnemonic: "f32x4.sub"},
230: {mnemonic: "f32x4.mul"},
231: {mnemonic: "f32x4.div"},
232: {mnemonic: "f32x4.min"},
233: {mnemonic: "f32x4.max"},
234: {mnemonic: "f32x4.pmin"},
235: {mnemonic: "f32x4.pmax"},
236: {mnemonic: "f64x2.abs"},
237: {mnemonic: "f64x2.neg"},
239: {mnemonic: "f64x2.sqrt"},
240: {mnemonic: "f64x2.add"},
241: {mnemonic: "f64x2.sub"},
242: {mnemonic: "f64x2.mul"},
243: {mnemonic: "f64x2.div"},
244: {mnemonic: "f64x2.min"},
245: {mnemonic: "f64x2.max"},
246: {mnemonic: "f64x2.pmin"},
247: {mnemonic: "f64x2.pmax"},
248: {mnemonic: "i32x4.trunc_sat_f32x4_s"},
249: {mnemonic: "i32x4.trunc_sat_f32x4_u"},
250: {mnemonic: "f32x4.convert_i32x4_s"},
251: {mnemonic: "f32x4.convert_i32x4_u"},
252: {mnemonic: "i32x4.trunc_sat_f64x2_s_zero"},
253: {mnemonic: "i32x4.trunc_sat_f64x2_u_zero"},
254: {mnemonic: "f64x2.convert_low_i32x4_s"},
255: {mnemonic: "f64x2.convert_low_i32x4_u"},
}
func decodeVectorInstruction(d *decode.D) {
opcode := decodeVectorOpcode(d)
instr := vectorInstrMap[opcode]
df := instr.f
if df != nil {
df(d)
}
}
func decodeVectorOpcode(d *decode.D) Opcode {
return Opcode(d.FieldULEB128("v_opcode", vectorInstrMap))
}
func decodeV128ConstOperand(d *decode.D) {
d.FieldRawLen("bytes", 16*8)
}
func decodeI8x16ShuffleOperand(d *decode.D) {
d.FieldArray("laneidx", func(d *decode.D) {
for i := 0; i < 16; i++ {
decodeLaneIdx(d, "l")
}
})
}
func decodeLaneIdx(d *decode.D, name string) {
d.FieldU8(name)
}
//nolint:unparam
func decodeLaneIdxWithName(name string) func(d *decode.D) {
return func(d *decode.D) {
decodeLaneIdx(d, name)
}
}
//nolint:unparam
func decodeMemArgAndLaneIdxWithNames(memArgName, laneIdxName string) func(d *decode.D) {
return func(d *decode.D) {
decodeMemArg(d, memArgName)
decodeLaneIdx(d, laneIdxName)
}
}