scratch_load_sbyte_d16 GPU Native ISA AMD Vector
SCRATCH LOAD SBYTE D16 Scratch Memory
scratch_load_sbyte_d16
Load 8 bits of signed data from the scratch aperture, sign extend to 16 bits and store the result into the low 16 bits of a 32-bit vector register.
Encoding
Verified bit-level encoding data is not yet available for this instruction.
The instruction-format classification below (SCRATCH)
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
Per-target GFX compatibility has not yet been verified for this instruction.
Related
More in Scratch Memory
Reference
AMDGPU / GFX ISA
Semantics
addr = CalcScratchAddr(ADDR.b32, SADDR.b32, OFFSET.b32);
VDATA[15 : 0].i16 = 16'I(signext(MEM[addr].i8));
// VDATA[31:16] is preserved.
Sources
- User Guide for AMDGPU Backend ↗ - LLVM Project
-
"AMD Instinct MI300" Instruction Set Architecture: Reference Guide ↗
- Advanced Micro Devices, Inc.
Reference Guide, page 500.