s_waitcnt_expcnt GPU Native ISA AMD Scalar
S WAITCNT EXPCNT Scalar Arithmetic
s_waitcnt_expcnt
Wait for the EXPCNT counter to be at or below the specified level. The EXPCNT counter tracks the number of outstanding export events.
Encoding
Verified bit-level encoding data is not yet available for this instruction.
The instruction-format classification below (SOPK)
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 Scalar Arithmetic
Reference
AMDGPU / GFX ISA
Example
s_waitcnt_expcnt null, 0x1234A 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