AMD 4.4.5 user manual 191

			AMD Confidential					November 21st, 2008
User Manual
			Instruction							Supported
	Mnemonic		Opcode		Description
BSF reg64,reg/mmem64		0F	BC /r	Bit	scan forward	on	the	contents	of
				reg/mem64.
BSR reg16,reg/mmem8		0F	BD /r	Bit	scan reverse	on	the	contents	of
				reg/mem16.
BSR reg32,reg/mmem32		0F	BD /r	Bit	scan reverse	on	the	contents	of
				reg/mem32.
BSR reg64,reg/mmem64		0F	BD /r	Bit	scan reverse	on	the	contents	of
				reg/mem64.
BSWAP reg32		0F	C8 +rd	Reverse the byte order of reg32.
BSWAP reg64		0F	C8 +rd	Reverse the byte order of reg64.
BT reg/mem16,reg16		0F	A3 /r	Copy the value of the selected bit to
				the carry flag.
BT reg/mem32,reg32		0F	A3 /r	Copy the value of the selected bit to
				the carry flag.
BT reg/mem64,reg64		0F	A3 /r	Copy the value of the selected bit to
				the carry flag.
BT reg/mem16,imm8		0F	BA /4 ib	Copy the value of the selected bit to
				the carry flag.
BT reg/mem32,imm8		0F	BA /4 ib	Copy the value of the selected bit to
				the carry flag.
BT reg/mem64,imm8		0F	BA /4 ib	Copy the value of the selected bit to
				the carry flag.
				Copy the value of the selected bit to
BTC mem/mem16,reg16		0F	BB /r	the	carry flag, and then complement
				the selected bit.
				Copy the value of the selected bit to
BTC mem/mem32,reg32		0F	BB /r	the	carry flag, and then complement
				the selected bit.
				Copy the value of the selected bit to
BTC mem/mem64,reg64		0F	BB /r	the	carry flag, and then complement
				the selected bit.
				Copy the value of the selected bit to
BTC reg/mem16,imm8		0F	BA /7 ib	the	carry flag, and then complement
				the selected bit.
				Copy the value of the selected bit to
BTC reg/mem32,imm8		0F	BA /7 ib	the	carry flag, and then complement
				the selected bit.
				Copy the value of the selected bit to
BTC reg/mem64,imm8		0F	BA /7 ib	the	carry flag, and then complement
				the selected bit.
				Copy the value of the selected bit to
BTR reg/mem16,reg16		0F	B3 /r	the	carry flag, and then clear the
				selected bit.
				Copy the value of the selected bit to
BTR reg/mem32,reg32		0F	B3 /r	the	carry flag, and then clear the
				selected bit.
				Copy the value of the selected bit to
BTR reg/mem64,reg64		0F	B3 /r	the	carry flag, and then clear the
				selected bit.
				Copy the value of the selected bit to
BTR reg/mem16,imm8		0F	BA /6 ib	the	carry flag, and then clear the
				selected bit.
				Copy the value of the selected bit to
BTR reg/mem32,imm8		0F	BA /6 ib	the	carry flag, and then clear the
				selected bit.
				Copy the value of the selected bit to
BTR reg/mem64,imm64		0F	BA /6 ib	the	carry flag, and then clear the
				selected bit.
				Copy the value of the selected bit to
BTS reg/mem16,reg16		0F	AB /r	the	carry flag, and then set the
				selected bit.
				Copy the value of the selected bit to
BTS reg/mem32,reg32		0F	AB /r	the	carry flag, and then set the
				selected bit.
				Copy the value of the selected bit to
BTS reg/mem64,reg64		0F	AB /r	the	carry flag, and then set the
				selected bit.

Appendix A 191