global_load_lds_sbyte GPU Native ISA AMD Vector
Vector/Global Memory
global_load_lds_sbyte
Load 8 bits of untyped data from the global aperture, sign extend to 32 bits and store the result into a data share.
Encoding
Verified bit-level encoding data is not yet available for this instruction.
The instruction-format classification below (GLOBAL)
is well-documented and stable; exact per-target opcode/field bit positions have not
yet been imported from a verified source.
Operands
-
VDST
Written. N/A Data format: Value can be anything. (OPR_VGPR_OR_ACCVGPR, FMT_ANY) -
ADDR
Read. N/A Data format: Value can be anything. (OPR_VGPR, FMT_ANY) -
SADDR
Read. N/A Data format: Value can be anything. (OPR_SREG, FMT_ANY)
In AMD's order, as its machine-readable ISA specification lists them for the ENC_FLAT_GLBL encoding (AMD CDNA 4).
GFX Target Compatibility
Per-target GFX compatibility has not yet been verified for this instruction.
Related
More in Vector/Global Memory
Reference
AMDGPU / GFX ISA
Sources
- User Guide for AMDGPU Backend ↗ - LLVM Project
-
"AMD Instinct MI300" Instruction Set Architecture: Reference Guide ↗
- Advanced Micro Devices, Inc.
Reference Guide, page 508. - AMD Machine-Readable GPU ISA Specification ↗ - Advanced Micro Devices, Inc.