s_setpc_b64 GPU Native ISA AMD Scalar

S SETPC B64 Scalar Arithmetic

s_setpc_b64

Jump to an address specified in a scalar register. The argument is a byte address of the instruction to jump to.

Encoding

Verified bit-level encoding data is not yet available for this instruction. The instruction-format classification below (SOP1) is well-documented and stable; exact per-target opcode/field bit positions have not yet been imported from a verified source.
Format SOP1
Execution Unit

Operands

Operand details have not yet been curated for this instruction.

GFX Target Compatibility

TargetSupport
gfx1100✅ Supported

Related PTX Concepts

Function Return ↗
equivalent with restrictions
ret (PTX)

Related

More in Scalar Arithmetic

Reference

AMDGPU / GFX ISA

Semantics

PC = S0.i64

Example

s_setpc_b64 vcc

A 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