Extended mnemonics of fixed-point arithmetic instructions
The extended mnemonics of fixed-point arithmetic instructions for POWER® family and PowerPC®.
The following table shows the extended mnemonics for fixed-point arithmetic instructions for POWER® family and PowerPC®. Except as noted, these extended mnemonics are for POWER® family and PowerPC® and are in the com assembly mode.
Extended Mnemonic | Equivalent to | Meaning |
---|---|---|
subi rx, ry, value | addi rx, ry, -value | Subtract Immediate |
subis rx, ry, value | addis rx, ry, -value | Subtract Immediate Shifted |
subic[.] rx, ry, value | addic[.] rx, ry, -value | Subtract Immediate |
subc[o][.] rx, ry, rz | subfc[o][.] rx, rz, ry | Subtract |
si[.] rt, ra, value | ai[.] rt, ra, -value | Subtract Immediate |
sub[o][.] rx, ry, rz | subf[o][.] rx, rz, ry | Subtract |
Note: The sub[o][.] extended mnemonic is for
PowerPC®, since its base mnemonic subf[o][.]
is for PowerPC® only.