Thanks Jiawei, v2 patch set are LGTM, but I would like to defer this until binutils part has merged, I know you guys already implement that for a while, so I think it’s almost there :)
Jiawei <jia...@iscas.ac.cn>於 2023年6月7日 週三，20:57寫道： > RISC-V Code Size Reduction(ZC*) extensions is a group of extensions > which define subsets of the existing C extension (Zca, Zcd, Zcf) and new > extensions(Zcb, Zcmp, Zcmt) which only contain 16-bit encodings.[1] > > The implementation of the RISC-V Code Size Reduction extension in GCC is > an important step towards making the RISC-V architecture more efficient. > > The cooperation with OpenHW group has played a crucial role in this effort, > with facilitating the implementation, testing and validation. Currently > works can also find in OpenHW group's github repo.[2] > > Thanks to Tariq Kurd, Ibrahim Abu Kharmeh for help with explain the > specification, and Jeremy Bennett's patient guidance throughout the whole > development process.a > > V2 changes: > Fix Kito's comments in first version, Eswin assisted in optimizing the > implementation of Zcmp extension: > https://gcc.gnu.org/pipermail/gcc-patches/2023-May/617440.html > https://gcc.gnu.org/pipermail/gcc-patches/2023-May/617442.html > > https://gcc.gnu.org/pipermail/gcc-patches/2023-June/620869.html > > > [1] github.com/riscv/riscv-code-size-reduction/tree/main/Zc-specification > > [2] github.com/openhwgroup/corev-gcc > > Co-Authored by: Charlie Keaney <charlie.kea...@embecosm.com> > Co-Authored by: Mary Bennett <mary.benn...@embecosm.com> > Co-Authored by: Nandni Jamnadas <nandni.jamna...@embecosm.com> > Co-Authored by: Sinan Lin <sinan....@linux.alibaba.com> > Co-Authored by: Simon Cook <simon.c...@embecosm.com> > Co-Authored by: Shihua Liao <shi...@iscas.ac.cn> > Co-Authored by: Yulong Shi <yul...@iscas.ac.cn> > > RISC-V: Minimal support for ZC extensions. > RISC-V: Enable compressible features when use ZC* extensions. > RISC-V: Add ZC* test for march args being passed. > > > Jiawei (3): > RISC-V: Minimal support for ZC* extensions. > RISC-V: Enable compressible features when use ZC* extensions. > RISC-V: Add ZC* test for failed march args being passed. > > gcc/common/config/riscv/riscv-common.cc | 38 +++++++++++++++++++++++ > gcc/config/riscv/riscv-c.cc | 2 +- > gcc/config/riscv/riscv-opts.h | 16 ++++++++++ > gcc/config/riscv/riscv-shorten-memrefs.cc | 3 +- > gcc/config/riscv/riscv.cc | 11 ++++--- > gcc/config/riscv/riscv.h | 2 +- > gcc/config/riscv/riscv.opt | 3 ++ > gcc/testsuite/gcc.target/riscv/arch-22.c | 5 +++ > gcc/testsuite/gcc.target/riscv/arch-23.c | 5 +++ > 9 files changed, 78 insertions(+), 7 deletions(-) > create mode 100644 gcc/testsuite/gcc.target/riscv/arch-22.c > create mode 100644 gcc/testsuite/gcc.target/riscv/arch-23.c > > -- > 2.25.1 > >
