The new version of the patch addresses the suggestion given by Richard Handerson here:
https://patchew.org/QEMU/20240717153040.11073-1-paolo.sav...@embecosm.com/20240717153040.11073-2-paolo.sav...@embecosm.com/#aff5f930-d291-4ff5-8f24-53291059d...@linaro.org about the ineffectiveness of the optimization of the load/store loop for small vector and data sizes when QEMU is in system mode. Changes: - Wrap the optimization of simple RISC-V vector unit-stride loads and stores into a user mode configuration directive. Cc: Richard Handerson <richard.hender...@linaro.org> Cc: Palmer Dabbelt <pal...@dabbelt.com> Cc: Alistair Francis <alistair.fran...@wdc.com> Cc: Bin Meng <bmeng...@gmail.com> Cc: Weiwei Li <liwei1...@gmail.com> Cc: Daniel Henrique Barboza <dbarb...@ventanamicro.com> Cc: Liu Zhiwei <zhiwei_...@linux.alibaba.com> Cc: Helene Chelin <helene.che...@embecosm.com> Cc: Nathan Egge <ne...@google.com> Cc: Max Chou <max.c...@sifive.com> Helene CHELIN (1): target/riscv: rvv: reduce the overhead for simple RISC-V vector unit-stride loads and stores Paolo Savini (1): target/riscv: use a simplified loop to emulate rvv loads/stores only in user mode. target/riscv/vector_helper.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) -- 2.34.1
