Setting chip to PENRYN_E Attempting to decode: 0f 01 d0 iclass XGETBV category XSAVE ISA-extension XSAVE ISA-set XSAVE instruction-length 3 operand-width 32 effective-operand-width 32 effective-address-width 32 stack-address-width 32 iform-enum-name XGETBV iform-enum-name-dispatch (zero based) 0 iclass-max-iform-dispatch 1 Nominal opcode position 1 Nominal opcode 0x01 Operands # TYPE DETAILS VIS RW OC2 BITS BYTES NELEM ELEMSZ ELEMTYPE REGCLASS # ==== ======= === == === ==== ===== ===== ====== ======== ======== 0 REG0 REG0=ECX SUPPRESSED R D 32 4 1 32 INT GPR 1 REG1 REG1=EDX SUPPRESSED W D 32 4 1 32 INT GPR 2 REG2 REG2=EAX SUPPRESSED W D 32 4 1 32 INT GPR 3 REG3 REG3=XCR0 SUPPRESSED R Q 64 8 1 64 INT XCR Memory Operands MemopBytes = 0 ATTRIBUTES: ISA SET: [XSAVE] 0 CPUID GROUP NAME: [XSAVE] 0 CPUID RECORD NAME: [XSAVE] {Leaf 0x00000001, subleaf 0x00000000, ECX[26:26]} = 1 1 CPUID RECORD NAME: [OSXSAVE] {Leaf 0x00000001, subleaf 0x00000000, ECX[27:27]} = 1