Re: [PATCH] RISC-V: Save and restore FCSR in interrupt functions to avoid program errors.

On Tue, 13 Jun 2023 10:41:00 PDT (-0700), gcc-patches@gcc.gnu.org wrote: On 6/13/23 00:41, Jin Ma wrote: gcc/ChangeLog: * config/riscv/riscv.cc (riscv_compute_frame_info): Allocate frame for FCSR. (riscv_for_each_saved_reg): Save and restore FCSR in interrupt functions.

Re: [PATCH] RISC-V: Save and restore FCSR in interrupt functions to avoid program errors.

On 6/13/23 00:41, Jin Ma wrote: gcc/ChangeLog: * config/riscv/riscv.cc (riscv_compute_frame_info): Allocate frame for FCSR. (riscv_for_each_saved_reg): Save and restore FCSR in interrupt functions. * config/riscv/riscv.md (riscv_frcsr): New patterns. (riscv_f

[PATCH] RISC-V: Save and restore FCSR in interrupt functions to avoid program errors.

gcc/ChangeLog: * config/riscv/riscv.cc (riscv_compute_frame_info): Allocate frame for FCSR. (riscv_for_each_saved_reg): Save and restore FCSR in interrupt functions. * config/riscv/riscv.md (riscv_frcsr): New patterns. (riscv_fscsr): Likewise. gcc/testsuite/Chang