IAR Embedded Workbench for RISC-V 3.40IAR C/C++ DevelopmentThe preprocessorDescription of predefined preprocessor symbols__riscv_zpsfoperand__riscv_zpsfoperandIn this section: DescriptionAn integer that is set to the version number of the P extension when the code is compiled for a RISC-V core with the standard extension Zpsfoperand (P extension instructions for accessing register pairs).