flat_atomic_cond_sub_u32 GPU Native ISA AMD Vector
FLAT ATOMIC COND SUB U32 Flat Memory
flat_atomic_cond_sub_u32
Subtract an unsigned 32-bit integer value in the data register from a location in the flat aperture only if the memory value is greater than or equal…
Encoding
Verified bit-level encoding data is not yet available for this instruction.
The instruction-format classification below (FLAT)
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 Flat Memory
Reference
AMDGPU / GFX ISA
Description
Subtract an unsigned 32-bit integer value in the data register from a location in the flat aperture only if the memory value is greater than or equal to the data register value. Store the original value from flat aperture into a vector register iff the temporal hint enables atomic return.
Sources
- User Guide for AMDGPU Backend ↗ - LLVM Project
- AMD Machine-Readable GPU ISA Specification ↗ - Advanced Micro Devices, Inc.