stxvh8x

Store VSX Vector Halfword*8 Indexed

stxvh8x XS,RA,RB

Stores a vector of 8 halfword elements from VSR[X] into memory using indexed addressing.

Encoding

Binary Layout

0

S

RA

RB

SX

 

Format X-form

Opcode 0x7C000758

Extension VSX

Operands

• XS
  VSX Register Index
• RA
  Source General Purpose Register (Base Address)
• RB
  Source General Purpose Register (Index)

Example

stxvh8x vs1, r4, r5

Registers Altered

MSR

Related

More in VSX

Reference

View in PowerISA v3.1C Specification ↗ OPF Power ISA v3.1C

Description

Stores a 128-bit VSX vector containing 8 halfword elements to memory using indexed addressing. The effective address is computed as (RA|0) + RB. This is a VSX extension instruction that does not affect condition registers or status flags.

Operation

EA ← (RA|0) + RB
[EA] ← VSR[XS]

Programming Note

stxvd2x, stxvw4x, stxvh8x, stxvb16x, and stxvx exhibit identical behavior in Big-Endian mode.