Embodiments relate to vector memory access instructions for big-endian (BE) element ordered computer code and little-endian (LE) element ordered computer code. An aspect includes determining a mode of a computer system comprising one of a BE mode and an LE mode. Another aspect includes determining a code type comprising one of BE code and LE code. Another aspect includes determining a data type of data in a main memory that is associated with the object code comprising one of BE data and LE data. Another aspect includes based on the mode, code type, and data type, inserting a memory access instruction into the object code to perform a memory access associated with the vector in the object code, such that the memory access instruction performs element ordering of elements of the vector, and data ordering within the elements of the vector, in accordance with the determined mode, code type, and data type.
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