IAR Embedded Workbench for RISC-V 3.40IAR C/C++ DevelopmentThe preprocessorDescription of predefined preprocessor symbols__riscv_zbc__riscv_zbcIn this section: DescriptionAn integer that is set to the version number of the B extension when the code is compiled for a RISC-V core with the standard extension Zbc (“carry-less” bit manipulation instructions).