Why in the process of using riscv tool chain, the instruction set of my instruction is IMA, and there will be C-type instructions in the generated instructions, and no matter how the parameters are adjusted, the C-type instructions will not be removed.

riscv-software-src / riscv-tools

RISC-V Tools (ISA Simulator and Tests)

1.13k stars 446 forks source link

Why in the process of using riscv tool chain, the instruction set of my instruction is IMA, and there will be C-type instructions in the generated instructions, and no matter how the parameters are adjusted, the C-type instructions will not be removed. #357

Closed LangQingjie closed 2 years ago

LangQingjie commented 2 years ago

Why in the process of using riscv tool chain, the instruction set of my instruction is IMA, and there will be C-type instructions in the generated instructions, and no matter how the parameters are adjusted, the C-type instructions will not be removed.