RealView® Compilation Tools Assembler Guide 5.11.1. VAND and VORN (immediate)

5.11.1. VAND and VORN (immediate)

VAND (Bitwise AND immediate) takes each element of the destination vector, performs a bitwise AND with an immediate constant, and returns the result into the destination vector.

VORN (Bitwise OR NOT immediate) takes each element of the destination vector, performs a bitwise OR Complement with an immediate constant, and returns the result into the destination vector.

Note

On disassembly, these pseudo-instructions are disassembled to the corresponding VBIC and VORR instructions, with the complementary immediate constants.

Syntax

Vop{cond}.datatype Qd, #imm

Vop{cond}.datatype Dd, #imm

where:

op: must be either VAND or VORN.
cond: is an optional condition code (see Condition codes).
datatype: must be either I16, or I32.
Qd or Dd: is the NEON register for the result.
imm: is the immediate constant.

Immediate constants

If datatype is I16, the immediate constant must correspond to one of the following forms:

0xFFXY
0xXYFF.

If datatype is I32, the immediate constant must correspond to one of the following forms:

0xFFFFFFXY
0xFFFFXYFF
0xFFXYFFFF
0xXYFFFFFF.

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