for {
		vo := auxIntToValAndOff(v.AuxInt)
		sym := auxToSym(v.Aux)
		ptr := v_0
		mem := v_1
		v.reset(Op386CMPBconst)
		v.AuxInt = int8ToAuxInt(vo.Val8())
		v0 := b.NewValue0(v.Pos, Op386MOVBload, typ.UInt8)
		v0.AuxInt = int32ToAuxInt(vo.Off())
		v0.Aux = symToAux(sym)
		v0.AddArg2(ptr, mem)
		v.AddArg(v0)
		return true
	}
}

		c := auxIntToInt64(v.AuxInt)
		if v_0.Op != OpRISCV64MOVBUreg {
			break
		}
		x := v_0.Args[0]
		if !(c <= 56) {
			break
		}
		v.reset(OpRISCV64SRLI)
		v.AuxInt = int64ToAuxInt(56 - c)
		v0 := b.NewValue0(v.Pos, OpRISCV64SLLI, typ.UInt64)
		v0.AuxInt = int64ToAuxInt(56)
		v0.AddArg(x)
		v.AddArg(v0)
		return true
	}
	// match: (SLLI [c] (MOVHUreg x))
	// cond: c <= 48

					v.reset(OpXor32)
					v.Type = f.Config.Types.UInt32
					v.AddArg(arg0)
					mask := v.Block.NewValue0(v.Pos, OpConst32, v.Type)
					mask.AuxInt = -0x80000000
					v.AddArg(mask)
				case OpNeg64F:
					arg0 := v.Args[0]
					v.reset(OpXor64)
					v.Type = f.Config.Types.UInt64
					v.AddArg(arg0)
					mask := v.Block.NewValue0(v.Pos, OpConst64, v.Type)
					mask.AuxInt = -0x8000000000000000
					v.AddArg(mask)

		// significantly so we shouldn't be overly conservative.
		if !canSpeculativelyExecute(b) {
			return false
		}

		// Logically combine the control values for p and b.
		v := b.NewValue0(bc.Pos, op, bc.Type)
		v.AddArg(pc)
		v.AddArg(bc)

		// Set the combined control value as the control value for b.
		b.SetControl(v)

		// Modify p so that it jumps directly to b.
		p.removeEdge(i)