Format

Syntax:

Operation:

Operands:

Architecture revision

Opcode

1

castu.h Rd

Rd[31:16] = 0;

d ∈ {0, 1, …, 15}

Rev1+

2

castu.b Rd

Rd[31:8] = 0:

d ∈ {0, 1, …, 15}

Rev1+

Q:

Not affected.

V:

Not affected.

N:

N = RES[31]

Z:

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

C:

C = RES[31]