Pseudo-Instruction Set

Table 5-2

Compare and Branch Conditions (COMB and COMIB)

 

 

 

 

 

 

cond

Description

 

 

 

 

 

 

 

 

 

never

 

 

 

=

opd1 is equal to opd2

 

 

 

<

opd1 is less than opd2 (signed)

 

 

 

<=

opd1 is less than or equal to opd2 (signed)

 

Nonnegated

 

<<

opd1 is less than opd2 (unsigned)

 

 

 

<<=

opd1 is less than or equal to opd2 (unsigned)

 

 

 

SV

opd1 minus opd2 results in overflow (signed)

 

 

 

OD

result of opd1 minus opd2 is odd

 

 

 

 

 

 

 

 

TR

always

 

 

 

<>

opd1 is less than or greater than opd2

 

 

 

>=

opd1 is greater than or equal to opd2 (signed)

 

 

 

>

opd1 is greater than opd2 (signed)

 

Negated

 

>>=

opd1 is greater than or equal to opd2 (unsigned)

 

 

 

>>

opd1 is greater than opd2 (unsigned)

 

 

 

NSV

opd1 minus opd2 results in no overflow (signed)

 

 

 

EV

result of opd1 minus opd2 is even

 

 

 

 

 

 

 

Chapter 5

121