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  • Deng-Cheng Zhu's avatar
    MIPS: math-emu: Fix prefx detection and COP1X function field definition · 51061b88
    Deng-Cheng Zhu authored Mar 06, 2014
    
    
    When running applications which contain the instruction "prefx" on FPU-less
    CPUs, a message "Illegal instruction" will be seen. This instruction is
    supposed to be ignored by the FPU emulator. However, its current detection
    and function field encoding are incorrect. This patch fix the issue.
    
    Signed-off-by: default avatarDeng-Cheng Zhu <dengcheng.zhu@imgtec.com>
    Reviewed-by: default avatarLeonid Yegoshin <Leonid.Yegoshin@imgtec.com>
    Reviewed-by: default avatarPaul Burton <paul.burton@imgtec.com>
    Acked-by: default avatarDavid Daney <david.daney@cavium.com>
    Cc: linux-mips@linux-mips.org
    Cc: Steven.Hill@imgtec.com
    Patchwork: https://patchwork.linux-mips.org/patch/6608/
    
    
    Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
    51061b88