x86: `cmc` instruction is unsupported

[langston-barrett]

# clang -nostdlib -static -o magic magic.s
.intel_syntax noprefix
.global magic
.type magic, @function
magic:
    mov edx, edi
    xor eax, eax
    mov ecx, edx
    bswap ecx
    test cl, cl
    js .L_loop
    jmp .L_end

.L_loop:
    shr edx, 1
    cmc
    rcl eax, 1
    jno .L_loop
    add eax, 0x6AF6F607
    sete al

.L_end:
    ret
.size magic, .-magic

cabal run exe:macaw-x86-dump -- discover magic

-- snip --

translation error Unsupported instruction at 0x401010: II {iiLockPrefix = NoLockPrefix, iiAddrSize = Size64, iiOp = "cmc", iiArgs = [], iiPrefixes = Prefixes {_prLockPrefix = NoLockPrefix, _prSP = SegmentPrefix {unwrapSegmentPrefix = 0}, _prREX = 0b00000000, _prVEX = Nothing, _prASO = False, _prOSO = False, _prNoTrack = False}, iiRequiredPrefix = Nothing, iiOpcode = [245], iiRequiredMod = Nothing, iiRequiredReg = Nothing, iiRequiredRM = Nothing}

Program adapted from the binsec tutorial.