Pseudo-Instruction Set

 

Table 5-3

Add and Branch Conditions (ADDB and ADDIB)

 

 

 

 

 

 

cond

Description

 

 

 

 

 

 

 

never

 

 

=

opd1 is equal to -opd2

 

 

<

opd1 is less than -opd2(signed)

 

 

<=

opd1 is less than or equal to -opd2(signed)

Nonnegated

 

NUV

opd1 + opd2 < 232 (no unsigned overflow)

 

 

ZNV

opd1 + opd2 < 232 or opd1 + opd2 = 0

 

 

SV

opd1 plus opd2 results in overflow (signed)

 

 

OD

result of opd1 plus opd2 is odd

 

 

 

 

 

 

TR

always

 

 

<>

opd1 is not equal to -opd2

 

 

>=

opd1 is greater than or equal to -opd2(signed)

 

 

>

opd1 is greater than -opd2(signed)

Negated

 

UV

opd1 + opd2 > = 232 (unsigned overflow)

 

 

VNZ

opd1 + opd2 > 232 and opd1 + opd2 not = 0

 

 

NSV

opd1 plus opd2 results in no overflow (signed)

 

 

EV

result of opd1 plus opd2 is even

 

 

 

 

 

122

Chapter 5