// atomic ops

		// load from arg0. arg1=mem.
		// returns <value,memory> so they can be properly ordered with other loads.
		// SYNC
		// MOV(B|W)	(Rarg0), Rout
		// SYNC
		{name: "LoweredAtomicLoad8", argLength: 2, reg: gpload, faultOnNilArg0: true},
		{name: "LoweredAtomicLoad32", argLength: 2, reg: gpload, faultOnNilArg0: true},

		// store arg1 to arg0. arg2=mem. returns memory.
		// SYNC

			faultOnNilArg0: true,
			faultOnNilArg1: true,
		},

		// atomic loads.
		// load from arg0. arg1=mem.
		// returns <value,memory> so they can be properly ordered with other loads.
		{name: "LoweredAtomicLoad8", argLength: 2, reg: gpload, faultOnNilArg0: true},
		{name: "LoweredAtomicLoad32", argLength: 2, reg: gpload, faultOnNilArg0: true},
		{name: "LoweredAtomicLoad64", argLength: 2, reg: gpload, faultOnNilArg0: true},

		// atomic loads.
		// load from arg0. arg1=mem.
		// returns <value,memory> so they can be properly ordered with other loads.
		{name: "LoweredAtomicLoad8", argLength: 2, reg: gpload, faultOnNilArg0: true},
		{name: "LoweredAtomicLoad32", argLength: 2, reg: gpload, faultOnNilArg0: true},
		{name: "LoweredAtomicLoad64", argLength: 2, reg: gpload, faultOnNilArg0: true},

			faultOnNilArg0: true,
			faultOnNilArg1: true,
		},

		// Atomic loads.
		// load from arg0. arg1=mem.
		// returns <value,memory> so they can be properly ordered with other loads.
		{name: "LoweredAtomicLoad8", argLength: 2, reg: gpload, faultOnNilArg0: true},
		{name: "LoweredAtomicLoad32", argLength: 2, reg: gpload, faultOnNilArg0: true},
		{name: "LoweredAtomicLoad64", argLength: 2, reg: gpload, faultOnNilArg0: true},

(MOVWUreg x:(MOVBUload _ _)) => (MOVDreg x)
(MOVWUreg x:(MOVHUload _ _)) => (MOVDreg x)
(MOVWUreg x:(MOVWUload _ _)) => (MOVDreg x)

// Avoid zero extension after properly typed atomic operation.
(MOVBUreg x:(Select0 (LoweredAtomicLoad8 _ _))) => (MOVDreg x)
(MOVBUreg x:(Select0 (LoweredAtomicCas32 _ _ _ _))) => (MOVDreg x)
(MOVBUreg x:(Select0 (LoweredAtomicCas64 _ _ _ _))) => (MOVDreg x)

// Avoid sign extension after word arithmetic.

		{name: "LoweredAtomicStore64", argLength: 3, reg: gpstore, typ: "Mem", aux: "Int64", faultOnNilArg0: true, hasSideEffects: true},

		{name: "LoweredAtomicLoad8", argLength: 2, reg: gpload, typ: "UInt8", aux: "Int64", clobberFlags: true, faultOnNilArg0: true},
		{name: "LoweredAtomicLoad32", argLength: 2, reg: gpload, typ: "UInt32", aux: "Int64", clobberFlags: true, faultOnNilArg0: true},

		v.AddArg2(ptr, mem)
		return true
	}
}
func rewriteValuePPC64_OpAtomicLoad8(v *Value) bool {
	v_1 := v.Args[1]
	v_0 := v.Args[0]
	// match: (AtomicLoad8 ptr mem)
	// result: (LoweredAtomicLoad8 [1] ptr mem)
	for {
		ptr := v_0
		mem := v_1
		v.reset(OpPPC64LoweredAtomicLoad8)
		v.AuxInt = int64ToAuxInt(1)
		v.AddArg2(ptr, mem)
		return true
	}
}

	// result: (MOVDreg x)
	for {
		x := v_0
		if x.Op != OpRISCV64MOVBUload {
			break
		}
		v.reset(OpRISCV64MOVDreg)
		v.AddArg(x)
		return true
	}
	// match: (MOVBUreg x:(Select0 (LoweredAtomicLoad8 _ _)))
	// result: (MOVDreg x)
	for {
		x := v_0
		if x.Op != OpSelect0 {
			break
		}
		x_0 := x.Args[0]
		if x_0.Op != OpRISCV64LoweredAtomicLoad8 {
			break
		}

				{2, 1071644664}, // R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R18 R19 R20 R21 R23 R24 R25 R26 R27 R28 R29 R31
			},
			clobbers: 1572864, // R20 R21
		},
	},
	{
		name:           "LoweredAtomicLoad8",
		argLen:         2,
		faultOnNilArg0: true,
		reg: regInfo{
			inputs: []inputInfo{