scratch_load_ubyte_d16_hi GPU Native ISA AMD Vector
SCRATCH LOAD UBYTE D16 HI Scratch Memory
scratch_load_ubyte_d16_hi
Load 8 bits of unsigned data from the scratch aperture, zero extend to 16 bits and store the result into the high 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[31 : 16].u16 = 16'U({ 8'0U, MEM[addr].u8 });
// VDATA[15:0] 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.