return nil
		},
		sys.AMD64, sys.ARM64, sys.Loong64, sys.MIPS64, sys.PPC64, sys.RISCV64, sys.S390X)
	addF("internal/runtime/atomic", "StorepNoWB",
		func(s *state, n *ir.CallExpr, args []*ssa.Value) *ssa.Value {
			s.vars[memVar] = s.newValue3(ssa.OpAtomicStorePtrNoWB, types.TypeMem, args[0], args[1], s.mem())
			return nil
		},