Zfinx extension[1] had already finished public review. Here is the implementation patch set that reuse floating point pattern and ban the use of fpr when use zfinx as a target.
Current works can be find in follow links, we will keep update zhinx and zhinxmin after zfh extension goes upstream. https://github.com/pz9115/riscv-gcc/tree/zfinx-rebase https://github.com/pz9115/riscv-binutils-gdb/tree/zfinx-rebase For test you can use qemu or spike that support zfinx extension, the qemu will go upstream soon and spike is still in review: https://github.com/plctlab/plct-qemu/tree/plct-zfinx-dev https://github.com/plctlab/plct-spike/tree/plct-upstream-zfinx Thanks for Tariq Kurd, Kito Cheng, Jim Willson, Jeremy Bennett helped us a lot with this work. [1] https://github.com/riscv/riscv-zfinx/blob/main/zfinx-1.0.0-rc.pdf jiawei sinan (3): RISC-V: Minimal support of zfinx extension RISC-V: Target support for zfinx extension RISC-V: Imply info and regs limit for zfinx extension gcc/common/config/riscv/riscv-common.c | 6 +++ gcc/config/riscv/arch-canonicalize | 1 + gcc/config/riscv/constraints.md | 3 +- gcc/config/riscv/riscv-builtins.c | 4 +- gcc/config/riscv/riscv-c.c | 2 +- gcc/config/riscv/riscv-opts.h | 6 +++ gcc/config/riscv/riscv.c | 15 +++++- gcc/config/riscv/riscv.md | 72 +++++++++++++------------- gcc/config/riscv/riscv.opt | 3 ++ 9 files changed, 70 insertions(+), 42 deletions(-)
