Attempting to decode: 48 ff 18 iclass CALL_FAR category CALL ISA-extension BASE ISA-set I86 instruction-length 3 operand-width 64 effective-operand-width 64 effective-address-width 64 stack-address-width 64 iform-enum-name CALL_FAR_MEMp2 iform-enum-name-dispatch (zero based) 0 iclass-max-iform-dispatch 2 Nominal opcode position 1 Nominal opcode 0xff Operands # TYPE DETAILS VIS RW OC2 BITS BYTES NELEM ELEMSZ ELEMTYPE REGCLASS # ==== ======= === == === ==== ===== ===== ====== ======== ======== 0 MEM0 (see below) EXPLICIT R P2 80 10 1 80 STRUCT INVALID 1 REG0 REG0=STACKPUSH SUPPRESSED RW SPW2 128 16 1 128 INT PSEUDO 2 REG1 REG1=RIP SUPPRESSED W Y 64 8 1 64 INT IP 3 MEM1 (see below) SUPPRESSED W SPW2 128 16 1 128 INT INVALID 4 BASE1 BASE1=RSP SUPPRESSED RW SSZ 64 8 1 64 INT GPR Memory Operands 0 read BASE= RAX/GPR ASZ0=64 1 written BASE= RSP/GPR ASZ1=64 MemopBytes = 10 ATTRIBUTES: FAR_XFER FIXED_BASE1 INDIRECT_BRANCH NOTSX SCALABLE STACKPUSH1 Number of legacy prefixes: 1 ISA SET: [I86]