(AtomicStore(8|32)  ...) => (LoweredAtomicStore(8|32) ...)
(AtomicStorePtrNoWB ...) => (LoweredAtomicStore32     ...)

(AtomicExchange32 ...) => (LoweredAtomicExchange ...)
(AtomicAdd32 ...) => (LoweredAtomicAdd ...)

(AtomicCompareAndSwap32 ...) => (LoweredAtomicCas ...)

// AtomicOr8(ptr,val)  =>   LoweredAtomicOr(ptr&^3,uint32(val) << ((ptr & 3) * 8))
(AtomicOr8 ptr val mem) && !config.BigEndian =>

	{name: "AtomicExchange64", argLength: 3, typ: "(UInt64,Mem)", hasSideEffects: true},        // Store arg1 to *arg0.  arg2=memory.  Returns old contents of *arg0 and new memory.
	{name: "AtomicAdd32", argLength: 3, typ: "(UInt32,Mem)", hasSideEffects: true},             // Do *arg0 += arg1.  arg2=memory.  Returns sum and new memory.

(AtomicStore(8|32|64|PtrNoWB) ptr val mem) => (SYNC (MOV(B|W|D|D)atomicstore ptr val mem))

// Store-release doesn't require store-load ordering.
(AtomicStoreRel32 ptr val mem) => (MOVWatomicstore ptr val mem)

// Atomic adds.
(AtomicAdd32 ptr val mem) => (AddTupleFirst32 val (LAA ptr val mem))
(AtomicAdd64 ptr val mem) => (AddTupleFirst64 val (LAAG ptr val mem))
(Select0 <t> (AddTupleFirst32 val tuple)) => (ADDW val (Select0 <t> tuple))

// Atomic exchanges.
(AtomicExchange32 ptr val mem) => (XCHGL val ptr mem)
(AtomicExchange64 ptr val mem) => (XCHGQ val ptr mem)

// Atomic adds.
(AtomicAdd32 ptr val mem) => (AddTupleFirst32 val (XADDLlock val ptr mem))
(AtomicAdd64 ptr val mem) => (AddTupleFirst64 val (XADDQlock val ptr mem))
(Select0 <t> (AddTupleFirst32 val tuple)) => (ADDL val (Select0 <t> tuple))

		return true
	}
}
func rewriteValueS390X_OpAtomicAdd32(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
	// match: (AtomicAdd32 ptr val mem)
	// result: (AddTupleFirst32 val (LAA ptr val mem))
	for {
		ptr := v_0
		val := v_1
		mem := v_2
		v.reset(OpS390XAddTupleFirst32)

	}
}
func rewriteValueAMD64_OpAtomicAdd32(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
	// match: (AtomicAdd32 ptr val mem)
	// result: (AddTupleFirst32 val (XADDLlock val ptr mem))
	for {
		ptr := v_0
		val := v_1
		mem := v_2
		v.reset(OpAMD64AddTupleFirst32)

		generic:        true,
	},
	{
		name:           "AtomicExchange64",
		argLen:         3,
		hasSideEffects: true,
		generic:        true,
	},
	{
		name:           "AtomicAdd32",
		argLen:         3,
		hasSideEffects: true,
		generic:        true,
	},
	{
		name:           "AtomicAdd64",
		argLen:         3,
		hasSideEffects: true,
		generic:        true,