Introduction to ARM

Logical Instructions

<operation>{cond}{S} Rd,Rn,<Operand2>

<operation>

AND – logical AND
Rd := Rn AND Operand2
EOR – exclusive OR
Rd := Rn EOR Operand2
ORR – logical OR
Rd := Rn OR Operand2
BIC – bitwise clear
Rd := Rn AND NOT Operand2

Examples

AND r8, r7, r2
R8 = R7 & R2
ORR r11, r11, #1
R11 |= 1
BIC r11, r11, #1
R11 &= ~1
EOR r11, r11, #1
R11 ^= 1

Navigate