IAR Embedded Workbench for Arm 9.70.xIAR C/C++ DevelopmentThe preprocessorDescription of predefined preprocessor symbols__ARM_FEATURE_SHA2__ARM_FEATURE_SHA2In this section: DescriptionThis symbol is defined to 1 if the cryptographic SHA1 and SHA2 instructions are supported.This symbol is defined according to ACLE (Arm C Language Extensions).