Attempting to decode: 66 0f 3a 15 c8 00 
iclass PEXTRW_SSE4	category SSE	ISA-extension SSE4	ISA-set SSE4
instruction-length 6
operand-width 32
effective-operand-width 32
effective-address-width 32
stack-address-width 32
iform-enum-name PEXTRW_SSE4_GPR32_XMMdq_IMMb
iform-enum-name-dispatch (zero based) 0
iclass-max-iform-dispatch 2
Operands
#   TYPE               DETAILS        VIS  RW       OC2 BITS BYTES NELEM ELEMSZ   ELEMTYPE   REGCLASS
#   ====               =======        ===  ==       === ==== ===== ===== ======   ========   ========
0   REG0              REG0=EAX   EXPLICIT   W         D   32     4     1     32        INT        GPR
1   REG1             REG1=XMM1   EXPLICIT   R        DQ  128    16     4     32        INT        XMM
2   IMM0               0x0(8b)   EXPLICIT   R         B    8     1     1      8       UINT    INVALID
Memory Operands
  MemopBytes = 0
ATTRIBUTES: 
ANY 66 PREFIX
EXCEPTION TYPE: SSE_TYPE_5
Number of legacy prefixes: 1 
ISA SET: [SSE4]
0	CPUID BIT NAME: [SSE4]
	Leaf 0x00000001, subleaf 0x00000000, ECX[19]
