generic_imul unit which seemed like the best fit.
Attached is the actual patch I committed.
Jeffcommit d9df45a66b2c8f543106be0a2387bbe6195b00a6
Author: Karen Sargsyan
Date: Fri Apr 28 12:45:34 2023 -0600
RISC-V: Added support clmul[r,h] instructions for Zbc extension.
clmul[h] instru
clmul[h] instructions were added only for the ZBKC extension.
This patch includes them in the ZBC extension too.
Besides, added support of 'clmulr' instructions for ZBC extension.
gcc/ChangeLog:
* config/riscv/bitmanip.md: Added clmulr instruction.
* config/riscv/riscv-builtins.cc (AVAI
