IAR Embedded Workbench for Arm 9.70.xIAR AssemblerAssembler optionsDescriptions of assembler options-e-eIn this section: Syntax-eDescriptionUse this option to cause the assembler to generate code and data in big-endian byte order. The default byte order is little-endian.In 64-bit mode, this option has no effect.CautionProject>Options>General Options>32-bit>Byte order