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riscv, bpf: Optimize zextw insn with Zba extension #973
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The Zba extension provides add.uw insn which can be used to implement zext.w with rs2 set as ZERO. Signed-off-by: Xiao Wang <xiao.w.wang@intel.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Reviewed-by: Pu Lehui <pulehui@huawei.com> Tested-by: Pu Lehui <pulehui@huawei.com> Signed-off-by: Björn Töpel <bjorn@rivosinc.com>
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Pull request for series with
subject: riscv, bpf: Optimize zextw insn with Zba extension
version: 1
url: https://patchwork.kernel.org/project/linux-riscv/list/?series=851122