Instruction Operand Notation shows the notation for instruction
operands. The notation format is as follows:
<name>.<access type><data type>
Table 12 Instruction Operand Notation
<name>:
disp Displacement field
fnc PALcode function field
Ra Integer register operand in the Ra field
Rb Integer register operand in the Rb field
#b Integer literal operand in the Rb field
Rc Integer register operand in the Rc field
Fa Floating-point register operand in the Ra field
Fb Floating-point register operand in the Rb field
Fc Floating-point register operand in the Rc field
<access type>:
a The operand is used in an address calculation to form an
effective address. The data-type code that follows indicates
the units of addressability (or scale factor) applied to
this operand when the instruction is decoded.
i The operand is an immediate literal.
m The operand is both read and written.
r The operand is read only.
w The operand is write only.
<data type>:
b Byte
f F_floating
g G_floating
l Longword
q Quadword
s IEEE single floating (S_floating)
t IEEE double floating (T_floating)
w Word
x The data type is specified by the instruction.