STR:               "STR",
	STR_ZZ:            "STR.ZZ",
	STRB_EQ:           "STRB.EQ",
	STRB_NE:           "STRB.NE",
	STRB_CS:           "STRB.CS",
	STRB_CC:           "STRB.CC",
	STRB_MI:           "STRB.MI",
	STRB_PL:           "STRB.PL",
	STRB_VS:           "STRB.VS",
	STRB_VC:           "STRB.VC",
	STRB_HI:           "STRB.HI",
	STRB_LS:           "STRB.LS",
	STRB_GE:           "STRB.GE",

		ptr2 := v_1.Args[0]
		if !(isSamePtr(ptr1, ptr2)) {
			break
		}
		v.reset(OpS390XLDGR)
		v.AddArg(x)
		return true
	}
	// match: (FMOVDload [off] {sym} ptr1 (FMOVDstore [off] {sym} ptr2 x _))
	// cond: isSamePtr(ptr1, ptr2)
	// result: x
	for {
		off := auxIntToInt32(v.AuxInt)
		sym := auxToSym(v.Aux)
		ptr1 := v_0

  // CHECK:      %[[bcast_mul2:.+]] = "mhlo.dynamic_broadcast_in_dim"(%[[mul2]], {{.*}}) <{broadcast_dimensions = dense<3> : tensor<1xi64>}> : (tensor<8xf32>, tensor<4xindex>) -> tensor<8x8x8x8xf32>
  // CHECK-NEXT: %[[mul3:.*]] = mhlo.multiply %[[grad]], %[[bcast_mul2]] : tensor<8x8x8x8xf32>
  // CHECK-NEXT: %[[scale_backprop:.*]] = mhlo.multiply %[[scr1]], %[[scr2]] : tensor<8xf32>

			})
		} else {
			vv := header[key]
			if vv == nil && len(strs) > 0 {
				// More than likely this will be a single-element key.
				// Most headers aren't multi-valued.
				// Set the capacity on strs[0] to 1, so any future append
				// won't extend the slice into the other strings.
				vv, strs = strs[:1:1], strs[1:]
				vv[0] = hf.Value
				header[key] = vv
			} else {