Toolchain support for custom opcodes

bluespec / Piccolo

RISC-V CPU, simple 3-stage pipeline, for low-end applications (e.g., embedded, IoT)

Apache License 2.0

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Open nirajnsharma opened 4 years ago

nirajnsharma commented 4 years ago

Add macros for using custom instructions. Refer:

https://github.com/riscv/riscv-gnu-toolchain/issues/190

Verify support for custom instructions in RV toolchain.