These walls directly support roof trusses or rafters.
Hip roof load bearing walls.
Advantages of prefabricated hip roof trusses.
However a house with a hip roof structure suggests that all the exterior walls are bearing walls.
Load bearing walls are those walls in a structure that support the weight of the structure above.
Any wall on all floors directly above or parallel to a basement beam typically wood steel i beam or a basement wall must be considered by a layman as directly load bearing.
Stair well openings are also typically load bearing points.
Roof structure types for load bearing walls load bearing walls.
Firstly premade hip roof trusses span a longer distance and can do without the presence of inside weight bearing walls.
The exception would be in the case of a hip roof were ceiling joists often change direction at each end of the house and a wall is run crossways to support the inside ends of the joist the ceiling joists appear to change direction directly above one of the walls.
Just to be on the side of caution i would install an 8ft 4x4 directly centered under the splice with lag bolts and remove the vertical.
Side walls are primary load bearing walls in simple gable end framing but hip roofs and complex roof lines depend on more than just the side.
Secondly prefabricated hip roof trusses are much less expensive than stick roof framingsince they come in short lengths of 2 4 stock.