IAR Embedded Workbench for RH850 3.20.xIAR C/C++ DevelopmentCompiler optionsDescriptions of compiler options‑‑no_unroll‑‑no_unrollIn this section: Syntax‑‑no_unroll DescriptionUse this option to disable loop unrolling.NoteThis option has no effect at optimization levels below High.See alsoLoop unrolling.CautionProject>Options>C/C++ Compiler>Optimizations>Enable transformations>Loop unrolling