const-wide

Purpose

Move the given literal value (sign-extended to 64 bits) into the specified register-pair.

Op & Format	Mnemonic / Syntax	Arguments
16 21s	const-wide/16 vAA, #+BBBB	`A:` destination register (8 bits) `B:` signed int (16 bits)
17 31i	const-wide/32 vAA, #+BBBBBBBB	`A:` destination register (8 bits) `B:` signed int (32 bits)
18 51l	const-wide vAA, #+BBBBBBBBBBBBBBBB	`A:` destination register (8 bits) `B:` arbitrary double-width (64-bit) constant
19 21h	const-wide/high16 vAA, #+BBBB000000000000	`A:` destination register (8 bits) `B:` signed int (16 bits)

First, an adjusted value B' is determined as follows:
- If we are executing the /high16 variant, then B is left-shifted by 40 bits, that is, B'=B << 0x28
- Otherwise, if B is a 16 bit or 32 bit constant, it is sign-extended to 64 bits, that is, B'=sign-extended(B).
- Otherwise, B'=B.
The immediate value B is moved into the register pair (vA, v(A+1)), that is,
- vA' = B << 0x20
- v(A+1)' = B & 0xffffffff
If v(A-1) is the lower half of a register pair, v(A-1)' becomes undefined.
If v(A+2) is the upper half of a register pair, v(A+2)' becomes undefined.

None.