Enum Opcode 

#[repr(u8)]
pub enum Opcode {
    Jump = 1,
    Brif = 2,
    BrTable = 3,
    Debugtrap = 4,
    Trap = 5,
    Trapz = 6,
    Trapnz = 7,
    Return = 8,
    Call = 9,
    CallIndirect = 10,
    ReturnCall = 11,
    ReturnCallIndirect = 12,
    FuncAddr = 13,
    TryCall = 14,
    TryCallIndirect = 15,
    InterruptPoll = 16,
    Splat = 17,
    Swizzle = 18,
    X86Pshufb = 19,
    Insertlane = 20,
    Extractlane = 21,
    Smin = 22,
    Umin = 23,
    Smax = 24,
    Umax = 25,
    AvgRound = 26,
    UaddSat = 27,
    SaddSat = 28,
    UsubSat = 29,
    SsubSat = 30,
    Load = 31,
    Store = 32,
    Uload8 = 33,
    Sload8 = 34,
    Istore8 = 35,
    Uload16 = 36,
    Sload16 = 37,
    Istore16 = 38,
    Uload32 = 39,
    Sload32 = 40,
    Istore32 = 41,
    StackSwitch = 42,
    Uload8x8 = 43,
    Sload8x8 = 44,
    Uload16x4 = 45,
    Sload16x4 = 46,
    Uload32x2 = 47,
    Sload32x2 = 48,
    StackAddr = 49,
    DynamicStackAddr = 50,
    SymbolValue = 51,
    TlsValue = 52,
    GetPinnedReg = 53,
    SetPinnedReg = 54,
    GetFramePointer = 55,
    GetStackPointer = 56,
    GetReturnAddress = 57,
    GetExceptionHandlerAddress = 58,
    Iconst = 59,
    F16const = 60,
    F32const = 61,
    F64const = 62,
    F128const = 63,
    Vconst = 64,
    Shuffle = 65,
    Nop = 66,
    Select = 67,
    SelectSpectreGuard = 68,
    Bitselect = 69,
    Blendv = 70,
    VanyTrue = 71,
    VallTrue = 72,
    VhighBits = 73,
    Icmp = 74,
    Iadd = 75,
    Isub = 76,
    Ineg = 77,
    Iabs = 78,
    Imul = 79,
    Umulhi = 80,
    Smulhi = 81,
    SqmulRoundSat = 82,
    X86Pmulhrsw = 83,
    Udiv = 84,
    Sdiv = 85,
    Urem = 86,
    Srem = 87,
    SaddOverflowCin = 88,
    UaddOverflowCin = 89,
    UaddOverflow = 90,
    SaddOverflow = 91,
    UsubOverflow = 92,
    SsubOverflow = 93,
    UmulOverflow = 94,
    SmulOverflow = 95,
    UaddOverflowTrap = 96,
    SsubOverflowBin = 97,
    UsubOverflowBin = 98,
    Band = 99,
    Bor = 100,
    Bxor = 101,
    Bnot = 102,
    Rotl = 103,
    Rotr = 104,
    Ishl = 105,
    Ushr = 106,
    Sshr = 107,
    Bitrev = 108,
    Clz = 109,
    Cls = 110,
    Ctz = 111,
    Bswap = 112,
    Popcnt = 113,
    Fcmp = 114,
    Fadd = 115,
    Fsub = 116,
    Fmul = 117,
    Fdiv = 118,
    Sqrt = 119,
    Fma = 120,
    Fneg = 121,
    Fabs = 122,
    Fcopysign = 123,
    Fmin = 124,
    Fmax = 125,
    Ceil = 126,
    Floor = 127,
    Trunc = 128,
    Nearest = 129,
    Bitcast = 130,
    ScalarToVector = 131,
    Bmask = 132,
    Ireduce = 133,
    Snarrow = 134,
    Unarrow = 135,
    Uunarrow = 136,
    SwidenLow = 137,
    SwidenHigh = 138,
    UwidenLow = 139,
    UwidenHigh = 140,
    IaddPairwise = 141,
    X86Pmaddubsw = 142,
    Uextend = 143,
    Sextend = 144,
    Fpromote = 145,
    Fdemote = 146,
    Fvdemote = 147,
    FvpromoteLow = 148,
    FcvtToUint = 149,
    FcvtToSint = 150,
    FcvtToUintSat = 151,
    FcvtToSintSat = 152,
    X86Cvtt2dq = 153,
    FcvtFromUint = 154,
    FcvtFromSint = 155,
    Isplit = 156,
    Iconcat = 157,
    AtomicRmw = 158,
    AtomicCas = 159,
    AtomicLoad = 160,
    AtomicStore = 161,
    Fence = 162,
    ExtractVector = 163,
    SequencePoint = 164,
}

An instruction opcode.

All instructions from all supported ISAs are present.

Variants

Jump = 1

jump block_call. (Jump)

Brif = 2

brif c, block_then, block_else. (Brif) Type inferred from c.

BrTable = 3

br_table x, JT. (BranchTable)

Debugtrap = 4

debugtrap. (NullAry)

Trap = 5

trap code. (Trap)

Trapz = 6

trapz c, code. (CondTrap) Type inferred from c.

Trapnz = 7

trapnz c, code. (CondTrap) Type inferred from c.

Return = 8

return rvals. (MultiAry)

Call = 9

rvals = call FN, args. (Call)

CallIndirect = 10

rvals = call_indirect SIG, callee, args. (CallIndirect) Type inferred from callee.

ReturnCall = 11

return_call FN, args. (Call)

ReturnCallIndirect = 12

return_call_indirect SIG, callee, args. (CallIndirect) Type inferred from callee.

FuncAddr = 13

addr = func_addr FN. (FuncAddr)

TryCall = 14

try_call callee, args, ET. (TryCall)

TryCallIndirect = 15

try_call_indirect callee, args, ET. (TryCallIndirect) Type inferred from callee.

InterruptPoll = 16

next_load_ptr = interrupt_poll load_ptr, context, code. (IntAddTrap) Type inferred from load_ptr.

Splat = 17

a = splat x. (Unary)

Swizzle = 18

a = swizzle x, y. (Binary)

X86Pshufb = 19

a = x86_pshufb x, y. (Binary)

Insertlane = 20

a = insertlane x, y, Idx. (TernaryImm8) Type inferred from x.

Extractlane = 21

a = extractlane x, Idx. (BinaryImm8) Type inferred from x.

Smin = 22

a = smin x, y. (Binary) Type inferred from x.

Umin = 23

a = umin x, y. (Binary) Type inferred from x.

Smax = 24

a = smax x, y. (Binary) Type inferred from x.

Umax = 25

a = umax x, y. (Binary) Type inferred from x.

AvgRound = 26

a = avg_round x, y. (Binary) Type inferred from x.

UaddSat = 27

a = uadd_sat x, y. (Binary) Type inferred from x.

SaddSat = 28

a = sadd_sat x, y. (Binary) Type inferred from x.

UsubSat = 29

a = usub_sat x, y. (Binary) Type inferred from x.

SsubSat = 30

a = ssub_sat x, y. (Binary) Type inferred from x.

Load = 31

a = load MemFlags, p, Offset. (Load)

Store = 32

store MemFlags, x, p, Offset. (Store) Type inferred from x.

Uload8 = 33

a = uload8 MemFlags, p, Offset. (Load)

Sload8 = 34

a = sload8 MemFlags, p, Offset. (Load)

Istore8 = 35

istore8 MemFlags, x, p, Offset. (Store) Type inferred from x.

Uload16 = 36

a = uload16 MemFlags, p, Offset. (Load)

Sload16 = 37

a = sload16 MemFlags, p, Offset. (Load)

Istore16 = 38

istore16 MemFlags, x, p, Offset. (Store) Type inferred from x.

Uload32 = 39

a = uload32 MemFlags, p, Offset. (Load) Type inferred from p.

Sload32 = 40

a = sload32 MemFlags, p, Offset. (Load) Type inferred from p.

Istore32 = 41

istore32 MemFlags, x, p, Offset. (Store) Type inferred from x.

StackSwitch = 42

out_payload0 = stack_switch store_context_ptr, load_context_ptr, in_payload0. (Ternary) Type inferred from load_context_ptr.

Uload8x8 = 43

a = uload8x8 MemFlags, p, Offset. (Load) Type inferred from p.

Sload8x8 = 44

a = sload8x8 MemFlags, p, Offset. (Load) Type inferred from p.

Uload16x4 = 45

a = uload16x4 MemFlags, p, Offset. (Load) Type inferred from p.

Sload16x4 = 46

a = sload16x4 MemFlags, p, Offset. (Load) Type inferred from p.

Uload32x2 = 47

a = uload32x2 MemFlags, p, Offset. (Load) Type inferred from p.

Sload32x2 = 48

a = sload32x2 MemFlags, p, Offset. (Load) Type inferred from p.

StackAddr = 49

addr = stack_addr SS, Offset. (StackAddr)

DynamicStackAddr = 50

addr = dynamic_stack_addr DSS. (DynamicStackAddr)

SymbolValue = 51

a = symbol_value GV. (UnaryGlobalValue)

TlsValue = 52

a = tls_value GV. (UnaryGlobalValue)

GetPinnedReg = 53

addr = get_pinned_reg. (NullAry)

SetPinnedReg = 54

set_pinned_reg addr. (Unary) Type inferred from addr.

GetFramePointer = 55

addr = get_frame_pointer. (NullAry)

GetStackPointer = 56

addr = get_stack_pointer. (NullAry)

GetReturnAddress = 57

addr = get_return_address. (NullAry)

GetExceptionHandlerAddress = 58

addr = get_exception_handler_address block, index. (ExceptionHandlerAddress)

Iconst = 59

a = iconst N. (UnaryImm)

F16const = 60

a = f16const N. (UnaryIeee16)

F32const = 61

a = f32const N. (UnaryIeee32)

F64const = 62

a = f64const N. (UnaryIeee64)

F128const = 63

a = f128const N. (UnaryConst)

Vconst = 64

a = vconst N. (UnaryConst)

Shuffle = 65

a = shuffle a, b, mask. (Shuffle)

Nop = 66

nop. (NullAry)

Select = 67

a = select c, x, y. (Ternary) Type inferred from x.

SelectSpectreGuard = 68

a = select_spectre_guard c, x, y. (Ternary) Type inferred from x.

Bitselect = 69

a = bitselect c, x, y. (Ternary) Type inferred from x.

Blendv = 70

a = blendv c, x, y. (Ternary) Type inferred from x.

VanyTrue = 71

s = vany_true a. (Unary) Type inferred from a.

VallTrue = 72

s = vall_true a. (Unary) Type inferred from a.

VhighBits = 73

x = vhigh_bits a. (Unary)

Icmp = 74

a = icmp Cond, x, y. (IntCompare) Type inferred from x.

Iadd = 75

a = iadd x, y. (Binary) Type inferred from x.

Isub = 76

a = isub x, y. (Binary) Type inferred from x.

Ineg = 77

a = ineg x. (Unary) Type inferred from x.

Iabs = 78

a = iabs x. (Unary) Type inferred from x.

Imul = 79

a = imul x, y. (Binary) Type inferred from x.

Umulhi = 80

a = umulhi x, y. (Binary) Type inferred from x.

Smulhi = 81

a = smulhi x, y. (Binary) Type inferred from x.

SqmulRoundSat = 82

a = sqmul_round_sat x, y. (Binary) Type inferred from x.

X86Pmulhrsw = 83

a = x86_pmulhrsw x, y. (Binary) Type inferred from x.

Udiv = 84

a = udiv x, y. (Binary) Type inferred from x.

Sdiv = 85

a = sdiv x, y. (Binary) Type inferred from x.

Urem = 86

a = urem x, y. (Binary) Type inferred from x.

Srem = 87

a = srem x, y. (Binary) Type inferred from x.

SaddOverflowCin = 88

a, c_out = sadd_overflow_cin x, y, c_in. (Ternary) Type inferred from y.

UaddOverflowCin = 89

a, c_out = uadd_overflow_cin x, y, c_in. (Ternary) Type inferred from y.

UaddOverflow = 90

a, of = uadd_overflow x, y. (Binary) Type inferred from x.

SaddOverflow = 91

a, of = sadd_overflow x, y. (Binary) Type inferred from x.

UsubOverflow = 92

a, of = usub_overflow x, y. (Binary) Type inferred from x.

SsubOverflow = 93

a, of = ssub_overflow x, y. (Binary) Type inferred from x.

UmulOverflow = 94

a, of = umul_overflow x, y. (Binary) Type inferred from x.

SmulOverflow = 95

a, of = smul_overflow x, y. (Binary) Type inferred from x.

UaddOverflowTrap = 96

a = uadd_overflow_trap x, y, code. (IntAddTrap) Type inferred from x.

SsubOverflowBin = 97

a, b_out = ssub_overflow_bin x, y, b_in. (Ternary) Type inferred from y.

UsubOverflowBin = 98

a, b_out = usub_overflow_bin x, y, b_in. (Ternary) Type inferred from y.

Band = 99

a = band x, y. (Binary) Type inferred from x.

Bor = 100

a = bor x, y. (Binary) Type inferred from x.

Bxor = 101

a = bxor x, y. (Binary) Type inferred from x.

Bnot = 102

a = bnot x. (Unary) Type inferred from x.

Rotl = 103

a = rotl x, y. (Binary) Type inferred from x.

Rotr = 104

a = rotr x, y. (Binary) Type inferred from x.

Ishl = 105

a = ishl x, y. (Binary) Type inferred from x.

Ushr = 106

a = ushr x, y. (Binary) Type inferred from x.

Sshr = 107

a = sshr x, y. (Binary) Type inferred from x.

Bitrev = 108

a = bitrev x. (Unary) Type inferred from x.

Clz = 109

a = clz x. (Unary) Type inferred from x.

Cls = 110

a = cls x. (Unary) Type inferred from x.

Ctz = 111

a = ctz x. (Unary) Type inferred from x.

Bswap = 112

a = bswap x. (Unary) Type inferred from x.

Popcnt = 113

a = popcnt x. (Unary) Type inferred from x.

Fcmp = 114

a = fcmp Cond, x, y. (FloatCompare) Type inferred from x.

Fadd = 115

a = fadd x, y. (Binary) Type inferred from x.

Fsub = 116

a = fsub x, y. (Binary) Type inferred from x.

Fmul = 117

a = fmul x, y. (Binary) Type inferred from x.

Fdiv = 118

a = fdiv x, y. (Binary) Type inferred from x.

Sqrt = 119

a = sqrt x. (Unary) Type inferred from x.

Fma = 120

a = fma x, y, z. (Ternary) Type inferred from y.

Fneg = 121

a = fneg x. (Unary) Type inferred from x.

Fabs = 122

a = fabs x. (Unary) Type inferred from x.

Fcopysign = 123

a = fcopysign x, y. (Binary) Type inferred from x.

Fmin = 124

a = fmin x, y. (Binary) Type inferred from x.

Fmax = 125

a = fmax x, y. (Binary) Type inferred from x.

Ceil = 126

a = ceil x. (Unary) Type inferred from x.

Floor = 127

a = floor x. (Unary) Type inferred from x.

Trunc = 128

a = trunc x. (Unary) Type inferred from x.

Nearest = 129

a = nearest x. (Unary) Type inferred from x.

Bitcast = 130

a = bitcast MemFlags, x. (LoadNoOffset)

ScalarToVector = 131

a = scalar_to_vector s. (Unary)

Bmask = 132

a = bmask x. (Unary)

Ireduce = 133

a = ireduce x. (Unary)

Snarrow = 134

a = snarrow x, y. (Binary) Type inferred from x.

Unarrow = 135

a = unarrow x, y. (Binary) Type inferred from x.

Uunarrow = 136

a = uunarrow x, y. (Binary) Type inferred from x.

SwidenLow = 137

a = swiden_low x. (Unary) Type inferred from x.

SwidenHigh = 138

a = swiden_high x. (Unary) Type inferred from x.

UwidenLow = 139

a = uwiden_low x. (Unary) Type inferred from x.

UwidenHigh = 140

a = uwiden_high x. (Unary) Type inferred from x.

IaddPairwise = 141

a = iadd_pairwise x, y. (Binary) Type inferred from x.

X86Pmaddubsw = 142

a = x86_pmaddubsw x, y. (Binary)

Uextend = 143

a = uextend x. (Unary)

Sextend = 144

a = sextend x. (Unary)

Fpromote = 145

a = fpromote x. (Unary)

Fdemote = 146

a = fdemote x. (Unary)

Fvdemote = 147

a = fvdemote x. (Unary)

FvpromoteLow = 148

x = fvpromote_low a. (Unary)

FcvtToUint = 149

a = fcvt_to_uint x. (Unary)

FcvtToSint = 150

a = fcvt_to_sint x. (Unary)

FcvtToUintSat = 151

a = fcvt_to_uint_sat x. (Unary)

FcvtToSintSat = 152

a = fcvt_to_sint_sat x. (Unary)

X86Cvtt2dq = 153

a = x86_cvtt2dq x. (Unary)

FcvtFromUint = 154

a = fcvt_from_uint x. (Unary)

FcvtFromSint = 155

a = fcvt_from_sint x. (Unary)

Isplit = 156

lo, hi = isplit x. (Unary) Type inferred from x.

Iconcat = 157

a = iconcat lo, hi. (Binary) Type inferred from lo.

AtomicRmw = 158

a = atomic_rmw MemFlags, AtomicRmwOp, p, x. (AtomicRmw)

AtomicCas = 159

a = atomic_cas MemFlags, p, e, x. (AtomicCas) Type inferred from x.

AtomicLoad = 160

a = atomic_load MemFlags, p. (LoadNoOffset)

AtomicStore = 161

atomic_store MemFlags, x, p. (StoreNoOffset) Type inferred from x.

Fence = 162

fence. (NullAry)

ExtractVector = 163

a = extract_vector x, y. (BinaryImm8) Type inferred from x.

SequencePoint = 164

sequence_point. (NullAry)

Implementations

impl Opcode

pub fn is_terminator(self) -> bool

True for instructions that terminate the block

pub fn is_branch(self) -> bool

True for all branch or jump instructions.

pub fn is_call(self) -> bool

Is this a call instruction?

pub fn is_return(self) -> bool

Is this a return instruction?

pub fn can_load(self) -> bool

Can this instruction read from memory?

pub fn can_store(self) -> bool

Can this instruction write to memory?

pub fn can_trap(self) -> bool

Can this instruction cause a trap?

pub fn other_side_effects(self) -> bool

Does this instruction have other side effects besides can_* flags?

pub fn side_effects_idempotent(self) -> bool

Despite having side effects, is this instruction okay to GVN?

pub fn all() -> &'static [Opcode]

All cranelift opcodes.

impl Opcode

pub fn format(self) -> InstructionFormat

Get the instruction format for this opcode.

pub fn constraints(self) -> OpcodeConstraints

Get the constraint descriptor for this opcode. Panic if this is called on NotAnOpcode.

pub fn is_safepoint(self) -> bool

Is this instruction a GC safepoint?

Safepoints are all kinds of calls, except for tail calls.

Trait Implementations

impl Clone for Opcode

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for Opcode

impl Debug for Opcode

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Opcode

Available on crate feature enable-serde only.

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for Opcode

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for Opcode

impl FromStr for Opcode

fn from_str(s: &str) -> Result<Self, &'static str>

Parse an Opcode name from a string.

type Err = &'static str

The associated error which can be returned from parsing.

impl Hash for Opcode

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for Opcode

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for Opcode

Available on crate feature enable-serde only.

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for Opcode