Operations:

Format

Syntax:

Operation:

Operands:

Architecture revision

Opcode

1

orh Rd, imm 

Rd[31:16] = Rd[31:16] OR imm16;
 
d ∈ {0, 1, …, 15}
imm ∈ {0, 1, ..., 65535}

Rev1+

111010100001

Rd

imm16

12

4

16

2

orl Rd, imm 

Rd[15:0]   = Rd[15:0] OR imm16;
 
d ∈ {0, 1, …, 15}
imm ∈ {0, 1, ..., 65535}

Rev1+

111010000001

Rd

imm16

12

4

16

Description

Performs a bitwise logical OR between the high or low word in the specified register and a con- stant. The result is stored in the destination register.

Status Flags:

Q:

Not affected

V:

Not affected

N:

N = RES[31]

Z:

Z = (RES[31:0] == 0)

C:

Not affected