ds_bpermute_fi_b32 GPU Native ISA AMD Vector

DS BPERMUTE FI B32 LDS / Data Share

ds_bpermute_fi_b32

Backward permute and fetch data for invalid lanes.

Encoding

Verified bit-level encoding data is not yet available for this instruction. The instruction-format classification below (DS) is well-documented and stable; exact per-target opcode/field bit positions have not yet been imported from a verified source.
Format DS
Execution Unit

Operands

Operand details have not yet been curated for this instruction.

GFX Target Compatibility

Per-target GFX compatibility has not yet been verified for this instruction.

Related

More in LDS / Data Share

Reference

AMDGPU / GFX ISA

Description

Backward permute and fetch data for invalid lanes. This does not access LDS memory and may be called even if no LDS memory is allocated to the wave. It uses LDS hardware to implement an arbitrary swizzle across threads in a wavefront.

Sources