for {
		ptr := v_0
		old := v_1
		new := v_2
		mem := v_3
		v.reset(OpLOONG64LoweredAtomicCas32)
		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
		v0.AddArg(old)
		v.AddArg4(ptr, v0, new, mem)
		return true
	}
}
func rewriteValueLOONG64_OpAvg64u(v *Value) bool {
	v_1 := v.Args[1]
	v_0 := v.Args[0]
	b := v.Block
	// match: (Avg64u <t> x y)

	for {
		ptr := v_0
		old := v_1
		new := v_2
		mem := v_3
		v.reset(OpRISCV64LoweredAtomicCas32)
		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
		v0.AddArg(old)
		v.AddArg4(ptr, v0, new, mem)
		return true
	}
}
func rewriteValueRISCV64_OpAtomicOr8(v *Value) bool {
	v_2 := v.Args[2]
	v_1 := v.Args[1]
	v_0 := v.Args[0]
	b := v.Block
	typ := &b.Func.Config.Types