RISC-V Dependent Features
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Options
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The following table lists all available RISC-V specific options

-march=ISA
     Select the base isa, as specified by ISA.  For example -march=rv32ima.

-mabi=ABI
     Selects the ABI, which is either "ilp32" or "lp64", optionally followed by "f", "d", or "q" to indicate single-precision, double-precision, or quad-precision floating-point calling convention, or none to indicate the soft-float calling convention.