AMD Confidential
User Manual November 21
st
, 2008
212 Appendix A
Subtract an immediate 32-bit value
from the EAX register with borrow.
Subtract an immediate 32-bit value
from the RAX register with borrow.
Subtract an immediate 8-bit value
from an 8-bit register or memory
location with borrow.
Subtract an immediate 16-bit value
from a 16-bit register or memory
location with borrow.
Subtract an immediate 32-bit value
from a 32-bit register or memory
location with borrow.
Subtract a sign-extended immediate
32-bit value from a 64-bit register
or memory location with borrow.
Subtract a sign-extended 8-bit
immediate value from a 16-bit
register or memory location with
borrow.
Subtract a sign-extended 8-bit
immediate value from a 32-bit
register or memory location with
borrow.
Subtract a sign-extended 8-bit
immediate value from a 64-bit
register or memory location with
borrow.
Subtract the contents of an 8-bit
register from an 8-bit register or
memory location with borrow.
Subtract the contents of a 16-bit
register from a 16-bit register or
memory location with borrow.
Subtract the contents of a 32-bit
register from a 32-bit register or
memory location with borrow.
Subtract the contents of a 64-bit
register from a 64-bit register or
memory location with borrow.
Subtract the contents of an 8-bit
register or memory location from the
contents of an 8-bit register with
borrow.
Subtract the contents of a 16-bit
register or memory location from the
contents of a 16-bit register with
borrow.
Subtract the contents of a 32-bit
register or memory location from the
contents of a 32-bit register with
borrow.
Subtract the contents of a 64-bit
register or memory location from the
contents of a 64-bit register with
borrow.
Compare the contents of the AL
register with the byte at ES:rDI, and
then increment or decrement rDI.
Compare the contents of the AX
register with the word at ES:rDI, and
then increment or decrement rDI.
Compare the contents of the EAX
register with the doubleword at
ES:rDI, and then increment or
decrement rDI.