pub enum Opcode {
Show 174 variants Jump, Fallthrough, Brz, Brnz, BrIcmp, Brif, Brff, BrTable, JumpTableEntry, JumpTableBase, IndirectJumpTableBr, Debugtrap, Trap, Trapz, Trapnz, Trapif, Trapff, Return, FallthroughReturn, Call, CallIndirect, FuncAddr, Load, LoadComplex, Store, StoreComplex, Uload8, Uload8Complex, Sload8, Sload8Complex, Istore8, Istore8Complex, Uload16, Uload16Complex, Sload16, Sload16Complex, Istore16, Istore16Complex, Uload32, Uload32Complex, Sload32, Sload32Complex, Istore32, Istore32Complex, StackLoad, StackStore, StackAddr, GlobalValue, SymbolValue, HeapAddr, TableAddr, Iconst, F32const, F64const, Bconst, Nop, Select, Selectif, Copy, Spill, Fill, Regmove, CopySpecial, AdjustSpDown, AdjustSpUpImm, AdjustSpDownImm, IfcmpSp, Regspill, Regfill, Vsplit, Vconcat, Vselect, Splat, Insertlane, Extractlane, Icmp, IcmpImm, Ifcmp, IfcmpImm, Iadd, Isub, Imul, Umulhi, Smulhi, Udiv, Sdiv, Urem, Srem, IaddImm, ImulImm, UdivImm, SdivImm, UremImm, SremImm, IrsubImm, IaddCin, IaddCout, IaddCarry, IsubBin, IsubBout, IsubBorrow, Band, Bor, Bxor, Bnot, BandNot, BorNot, BxorNot, BandImm, BorImm, BxorImm, Rotl, Rotr, RotlImm, RotrImm, Ishl, Ushr, Sshr, IshlImm, UshrImm, SshrImm, Bitrev, Clz, Cls, Ctz, Popcnt, Fcmp, Ffcmp, Fadd, Fsub, Fmul, Fdiv, Sqrt, Fma, Fneg, Fabs, Fcopysign, Fmin, Fmax, Ceil, Floor, Trunc, Nearest, Trueif, Trueff, Bitcast, Breduce, Bextend, Bint, Bmask, Ireduce, Uextend, Sextend, Fpromote, Fdemote, FcvtToUint, FcvtToUintSat, FcvtToSint, FcvtToSintSat, FcvtFromUint, FcvtFromSint, Isplit, Iconcat, X86Udivmodx, X86Sdivmodx, X86Umulx, X86Smulx, X86Cvtt2si, X86Fmin, X86Fmax, X86Push, X86Pop, X86Bsr, X86Bsf,
}
Expand description

An instruction opcode.

All instructions from all supported ISAs are present.

Variants§

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Jump

jump EBB, args. (Jump)

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Fallthrough

fallthrough EBB, args. (Jump)

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Brz

brz c, EBB, args. (Branch) Type inferred from c.

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Brnz

brnz c, EBB, args. (Branch) Type inferred from c.

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BrIcmp

br_icmp Cond, x, y, EBB, args. (BranchIcmp) Type inferred from x.

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Brif

brif Cond, f, EBB, args. (BranchInt)

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Brff

brff Cond, f, EBB, args. (BranchFloat)

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BrTable

br_table x, EBB, JT. (BranchTable) Type inferred from x.

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JumpTableEntry

entry = jump_table_entry x, addr, Size, JT. (BranchTableEntry)

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JumpTableBase

addr = jump_table_base JT. (BranchTableBase)

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IndirectJumpTableBr

indirect_jump_table_br addr, JT. (IndirectJump) Type inferred from addr.

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Debugtrap

debugtrap . (NullAry)

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Trap

trap code. (Trap)

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Trapz

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

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Trapnz

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

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Trapif

trapif Cond, f, code. (IntCondTrap)

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Trapff

trapff Cond, f, code. (FloatCondTrap)

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Return

return rvals. (MultiAry)

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FallthroughReturn

fallthrough_return rvals. (MultiAry)

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Call

rvals = call FN, args. (Call)

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CallIndirect

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

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FuncAddr

addr = func_addr FN. (FuncAddr)

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Load

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

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LoadComplex

a = load_complex MemFlags, args, Offset. (LoadComplex)

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Store

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

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StoreComplex

store_complex MemFlags, x, args, Offset. (StoreComplex) Type inferred from x.

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Uload8

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

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Uload8Complex

a = uload8_complex MemFlags, args, Offset. (LoadComplex)

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Sload8

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

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Sload8Complex

a = sload8_complex MemFlags, args, Offset. (LoadComplex)

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Istore8

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

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Istore8Complex

istore8_complex MemFlags, x, args, Offset. (StoreComplex) Type inferred from x.

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Uload16

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

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Uload16Complex

a = uload16_complex MemFlags, args, Offset. (LoadComplex)

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Sload16

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

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Sload16Complex

a = sload16_complex MemFlags, args, Offset. (LoadComplex)

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Istore16

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

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Istore16Complex

istore16_complex MemFlags, x, args, Offset. (StoreComplex) Type inferred from x.

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Uload32

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

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Uload32Complex

a = uload32_complex MemFlags, args, Offset. (LoadComplex)

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Sload32

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

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Sload32Complex

a = sload32_complex MemFlags, args, Offset. (LoadComplex)

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Istore32

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

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Istore32Complex

istore32_complex MemFlags, x, args, Offset. (StoreComplex)

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StackLoad

a = stack_load SS, Offset. (StackLoad)

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StackStore

stack_store x, SS, Offset. (StackStore) Type inferred from x.

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StackAddr

addr = stack_addr SS, Offset. (StackLoad)

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GlobalValue

a = global_value GV. (UnaryGlobalValue)

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SymbolValue

a = symbol_value GV. (UnaryGlobalValue)

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HeapAddr

addr = heap_addr H, p, Size. (HeapAddr)

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TableAddr

addr = table_addr T, p, Offset. (TableAddr)

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Iconst

a = iconst N. (UnaryImm)

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F32const

a = f32const N. (UnaryIeee32)

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F64const

a = f64const N. (UnaryIeee64)

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Bconst

a = bconst N. (UnaryBool)

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Nop

nop . (NullAry)

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Select

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

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Selectif

a = selectif cc, flags, x, y. (IntSelect)

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Copy

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

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Spill

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

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Fill

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

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Regmove

regmove x, src, dst. (RegMove) Type inferred from x.

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CopySpecial

copy_special src, dst. (CopySpecial)

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AdjustSpDown

adjust_sp_down delta. (Unary) Type inferred from delta.

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AdjustSpUpImm

adjust_sp_up_imm Offset. (UnaryImm)

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AdjustSpDownImm

adjust_sp_down_imm Offset. (UnaryImm)

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IfcmpSp

f = ifcmp_sp addr. (Unary) Type inferred from addr.

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Regspill

regspill x, src, SS. (RegSpill) Type inferred from x.

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Regfill

regfill x, SS, dst. (RegFill) Type inferred from x.

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Vsplit

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

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Vconcat

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

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Vselect

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

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Splat

a = splat x. (Unary)

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Insertlane

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

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Extractlane

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

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Icmp

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

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IcmpImm

a = icmp_imm Cond, x, Y. (IntCompareImm) Type inferred from x.

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Ifcmp

f = ifcmp x, y. (Binary) Type inferred from x.

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IfcmpImm

f = ifcmp_imm x, Y. (BinaryImm) Type inferred from x.

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Iadd

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

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Isub

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

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Imul

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

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Umulhi

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

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Smulhi

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

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Udiv

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

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Sdiv

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

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Urem

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

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Srem

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

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IaddImm

a = iadd_imm x, Y. (BinaryImm) Type inferred from x.

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ImulImm

a = imul_imm x, Y. (BinaryImm) Type inferred from x.

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UdivImm

a = udiv_imm x, Y. (BinaryImm) Type inferred from x.

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SdivImm

a = sdiv_imm x, Y. (BinaryImm) Type inferred from x.

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UremImm

a = urem_imm x, Y. (BinaryImm) Type inferred from x.

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SremImm

a = srem_imm x, Y. (BinaryImm) Type inferred from x.

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IrsubImm

a = irsub_imm x, Y. (BinaryImm) Type inferred from x.

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IaddCin

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

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IaddCout

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

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IaddCarry

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

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IsubBin

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

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IsubBout

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

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IsubBorrow

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

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Band

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

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Bor

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

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Bxor

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

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Bnot

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

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BandNot

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

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BorNot

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

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BxorNot

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

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BandImm

a = band_imm x, Y. (BinaryImm) Type inferred from x.

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BorImm

a = bor_imm x, Y. (BinaryImm) Type inferred from x.

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BxorImm

a = bxor_imm x, Y. (BinaryImm) Type inferred from x.

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Rotl

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

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Rotr

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

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RotlImm

a = rotl_imm x, Y. (BinaryImm) Type inferred from x.

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RotrImm

a = rotr_imm x, Y. (BinaryImm) Type inferred from x.

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Ishl

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

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Ushr

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

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Sshr

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

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IshlImm

a = ishl_imm x, Y. (BinaryImm) Type inferred from x.

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UshrImm

a = ushr_imm x, Y. (BinaryImm) Type inferred from x.

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SshrImm

a = sshr_imm x, Y. (BinaryImm) Type inferred from x.

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Bitrev

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

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Clz

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

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Cls

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

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Ctz

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

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Popcnt

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

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Fcmp

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

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Ffcmp

f = ffcmp x, y. (Binary) Type inferred from x.

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Fadd

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

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Fsub

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

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Fmul

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

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Fdiv

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

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Sqrt

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

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Fma

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

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Fneg

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

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Fabs

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

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Fcopysign

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

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Fmin

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

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Fmax

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

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Ceil

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

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Floor

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

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Trunc

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

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Nearest

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

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Trueif

a = trueif Cond, f. (IntCond)

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Trueff

a = trueff Cond, f. (FloatCond)

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Bitcast

a = bitcast x. (Unary)

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Breduce

a = breduce x. (Unary)

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Bextend

a = bextend x. (Unary)

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Bint

a = bint x. (Unary)

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Bmask

a = bmask x. (Unary)

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Ireduce

a = ireduce x. (Unary)

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Uextend

a = uextend x. (Unary)

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Sextend

a = sextend x. (Unary)

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Fpromote

a = fpromote x. (Unary)

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Fdemote

a = fdemote x. (Unary)

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FcvtToUint

a = fcvt_to_uint x. (Unary)

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FcvtToUintSat

a = fcvt_to_uint_sat x. (Unary)

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FcvtToSint

a = fcvt_to_sint x. (Unary)

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FcvtToSintSat

a = fcvt_to_sint_sat x. (Unary)

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FcvtFromUint

a = fcvt_from_uint x. (Unary)

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FcvtFromSint

a = fcvt_from_sint x. (Unary)

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Isplit

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

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Iconcat

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

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X86Udivmodx

q, r = x86_udivmodx nlo, nhi, d. (Ternary) Type inferred from nhi.

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X86Sdivmodx

q, r = x86_sdivmodx nlo, nhi, d. (Ternary) Type inferred from nhi.

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X86Umulx

resLo, resHi = x86_umulx argL, argR. (Binary) Type inferred from argL.

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X86Smulx

resLo, resHi = x86_smulx argL, argR. (Binary) Type inferred from argL.

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X86Cvtt2si

a = x86_cvtt2si x. (Unary)

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X86Fmin

a = x86_fmin x, y. (Binary) Type inferred from x.

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X86Fmax

a = x86_fmax x, y. (Binary) Type inferred from x.

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X86Push

x86_push x. (Unary) Type inferred from x.

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X86Pop

x = x86_pop . (NullAry)

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X86Bsr

y, rflags = x86_bsr x. (Unary) Type inferred from x.

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X86Bsf

y, rflags = x86_bsf x. (Unary) Type inferred from x.

Implementations§

Can this instruction read from memory?

Can this instruction write to memory?

Can this instruction cause a trap?

True for all branch or jump instructions.

Is this a call instruction?

Is this a ghost instruction?

True for all indirect branch or jump instructions.

Is this a return instruction?

True for instructions that terminate the EBB.

Does this instruction have other side effects besides can_*

Does this instruction write to CPU flags?

Get the instruction format for this opcode.

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

Trait Implementations§

Returns a copy of the value. Read more
Performs copy-assignment from source. Read more
Formats the value using the given formatter. Read more
Formats the value using the given formatter. Read more

Parse an Opcode name from a string.

The associated error which can be returned from parsing.
Feeds this value into the given Hasher. Read more
Feeds a slice of this type into the given Hasher. Read more
This method tests for self and other values to be equal, and is used by ==. Read more
This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason. Read more

Auto Trait Implementations§

Blanket Implementations§

Gets the TypeId of self. Read more
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

The resulting type after obtaining ownership.
Creates owned data from borrowed data, usually by cloning. Read more
Uses borrowed data to replace owned data, usually by cloning. Read more
Converts the given value to a String. Read more
The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.