aux:            "SymOff",
			typ:            "Mem",
			asm:            "STMY",
			faultOnNilArg0: true,
			symEffect:      "Write",
			clobberFlags:   true, // TODO(mundaym): currently uses AGFI to handle large offsets
		},
		{
			name:      "STM4",
			argLength: 6,
			reg: regInfo{inputs: []regMask{
				ptrsp,
				buildReg("R1"),
				buildReg("R2"),

		gpg        = gp | buildReg("g")
		gpsp       = gp | buildReg("SP")
		gpspg      = gpg | buildReg("SP")
		gpspsbg    = gpspg | buildReg("SB")
		fp         = buildReg("F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 F22 F23 F24 F25 F26 F27 F28 F29 F30 F31")
		callerSave = gp | fp | buildReg("g") // runtime.setg (and anything calling it) may clobber g
		r0         = buildReg("R0")
		r1         = buildReg("R1")