Hi Jeff, Yes, I will change soemthing in vector_csr_operand in the following patches.
Constraints will be added that the AVL cannot be encoded as an immediate for xtheadvecotr vsetvl. Joshua ------------------------------------------------------------------ 发件人：Jeff Law <jeffreya...@gmail.com> 发送时间：2023年12月21日(星期四) 02:16 收件人："Jun Sha (Joshua)"<cooper.jos...@linux.alibaba.com>; "gcc-patches"<gcc-patches@gcc.gnu.org> 抄 送："jim.wilson.gcc"<jim.wilson....@gmail.com>; palmer<pal...@dabbelt.com>; andrew<and...@sifive.com>; "philipp.tomsich"<philipp.toms...@vrull.eu>; "christoph.muellner"<christoph.muell...@vrull.eu>; "juzhe.zhong"<juzhe.zh...@rivai.ai>; Jin Ma<ji...@linux.alibaba.com>; Xianmiao Qu<cooper...@linux.alibaba.com> 主 题：Re: [PATCH v3 2/6] RISC-V: Split csr_operand in predicates.md for vector patterns. On 12/20/23 05:27, Jun Sha (Joshua) wrote: > This patch splits the definition of csr_operand in predicates.md. > The newly defined vector_csr_operand has the same functionality > as csr_operand but can only be used in vector patterns, so that > changes for vector will not affect scalar patterns in files > like riscv.md. > > gcc/ChangeLog: > > * config/riscv/predicates.md (vector_csr_operand): > Define vector_csr_opeand for vector. > * config/riscv/vector.md: > Use newly defined csr_operand for vector. So do you envision changing something in vector_csr_operand? If not, then this doesn't make much sense. Jeff
