lds_param_load GPU Native ISA AMD Vector
LDS PARAM LOAD LDS Direct / Parameter Fetch
lds_param_load
Transfer parameter data from LDS to VGPRs and expand data in LDS using the NewPrimMask (provided in M0) to place per-quad data into lanes 0-3 of each…
Encoding
Verified bit-level encoding data is not yet available for this instruction.
The instruction-format classification below (DSDIR)
is well-documented and stable; exact per-target opcode/field bit positions have not
yet been imported from a verified source.
Operands
Operand details have not yet been curated for this instruction.
GFX Target Compatibility
| Target | Support |
|---|---|
| gfx1100 | ✅ Supported |
Related
More in LDS Direct / Parameter Fetch
Reference
AMDGPU / GFX ISA
Description
Transfer parameter data from LDS to VGPRs and expand data in LDS using the NewPrimMask (provided in M0) to place per-quad data into lanes 0-3 of each quad as follows:
Example
lds_param_load v7, attr2.y wait_vdst:9A real instruction accepted by the LLVM assembler, taken verbatim from LLVM's own AMDGPU MC test suite (gfx11). Not from an AMD document, and not authored here.
Sources
- User Guide for AMDGPU Backend ↗ - LLVM Project
- AMD Machine-Readable GPU ISA Specification ↗ - Advanced Micro Devices, Inc.
- LLVM MC assembler tests for AMDGPU (gfx11) ↗ - LLVM Project