(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 =>

		// SYNC
		// LL	(Rarg0), Rout
		// ADDU Rarg1, Rout, Rtmp
		// SC	Rtmp, (Rarg0)
		// BEQ	Rtmp, -3(PC)
		// SYNC
		// ADDU Rarg1, Rout
		{name: "LoweredAtomicAdd", argLength: 3, reg: gpxchg, resultNotInArgs: true, faultOnNilArg0: true, hasSideEffects: true, unsafePoint: true},

(AtomicStore(8|32|64) ...) => (LoweredAtomicStore(8|32|64)  ...)
(AtomicStorePtrNoWB ...) => (LoweredAtomicStore64 ...)

(AtomicExchange(32|64) ...) => (LoweredAtomicExchange(32|64) ...)

(AtomicAdd(32|64) ...) => (LoweredAtomicAdd(32|64) ...)

(AtomicCompareAndSwap32 ptr old new mem) => (LoweredAtomicCas32 ptr (SignExt32to64 old) new mem)
(AtomicCompareAndSwap64 ...) => (LoweredAtomicCas64 ...)

// checks

// Atomic Intrinsics
(AtomicLoad(Ptr|64|32|8)  ...) => (LoweredAtomicLoad(64|64|32|8) ...)
(AtomicStore(PtrNoWB|64|32|8) ...) => (LoweredAtomicStore(64|64|32|8) ...)
(AtomicAdd(64|32) ...) => (LoweredAtomicAdd(64|32) ...)

// AtomicAnd8(ptr,val) => LoweredAtomicAnd32(ptr&^3, ^((uint8(val) ^ 0xff) << ((ptr & 3) * 8)))
(AtomicAnd8 ptr val mem) =>
	(LoweredAtomicAnd32 (ANDI <typ.Uintptr> [^3] ptr)

(AtomicStore(8|32|64) ...) => (LoweredAtomicStore(8|32|64) ...)
(AtomicStorePtrNoWB ...) => (LoweredAtomicStore64 ...)

(AtomicExchange(32|64) ...) => (LoweredAtomicExchange(32|64) ...)

(AtomicAdd(32|64) ...) => (LoweredAtomicAdd(32|64) ...)

(AtomicCompareAndSwap32 ptr old new mem) => (LoweredAtomicCas32 ptr (SignExt32to64 old) new mem)
(AtomicCompareAndSwap64 ...) => (LoweredAtomicCas64 ...)

(AtomicStorePtrNoWB ...) => (STLR  ...)

(AtomicExchange(32|64)       ...) => (LoweredAtomicExchange(32|64) ...)
(AtomicAdd(32|64)            ...) => (LoweredAtomicAdd(32|64)      ...)
(AtomicCompareAndSwap(32|64) ...) => (LoweredAtomicCas(32|64)      ...)

(AtomicAdd(32|64)Variant            ...) => (LoweredAtomicAdd(32|64)Variant      ...)
(AtomicExchange(32|64)Variant       ...) => (LoweredAtomicExchange(32|64)Variant ...)

(AtomicStoreRel(32|64)   ptr val mem) => (LoweredAtomicStore(32|64) [0] ptr val mem)

(AtomicExchange(32|64) ...) => (LoweredAtomicExchange(32|64) ...)

(AtomicAdd(32|64) ...) => (LoweredAtomicAdd(32|64) ...)

(AtomicCompareAndSwap(32|64) ptr old new_ mem) => (LoweredAtomicCas(32|64) [1] ptr old new_ mem)
(AtomicCompareAndSwapRel32   ptr old new_ mem) => (LoweredAtomicCas32 [0] ptr old new_ mem)

		}
		v.copyOf(a)
		return true
	}
	return false
}
func rewriteValueMIPS_OpMIPSLoweredAtomicAdd(v *Value) bool {
	v_2 := v.Args[2]
	v_1 := v.Args[1]
	v_0 := v.Args[0]
	// match: (LoweredAtomicAdd ptr (MOVWconst [c]) mem)
	// cond: is16Bit(int64(c))
	// result: (LoweredAtomicAddconst [c] ptr mem)
	for {
		ptr := v_0
		if v_1.Op != OpMIPSMOVWconst {
			break
		}

			},
			outputs: []outputInfo{
				{0, 335544318}, // R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R18 R19 R20 R21 R22 R24 R25 R28 R31
			},
		},
	},
	{
		name:            "LoweredAtomicAdd",
		argLen:          3,
		resultNotInArgs: true,
		faultOnNilArg0:  true,
		hasSideEffects:  true,
		unsafePoint:     true,
		reg: regInfo{
			inputs: []inputInfo{