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Author SHA1 Message Date
Guo Ren 35ff802af1 csky: fixup remove vdsp implement for kernel. 
The vr regs for vdsp only saved in task_switch not in every
exception trap-in. The memcpy with vdsp instructions will
destroy the vr regs for user space applications.

Signed-off-by: Guo Ren <ren_guo@c-sky.com>
 2018-12-31 22:56:59 +08:00
Guo Ren c5af58b769 csky: Library functions 
This patch adds string optimize codes and some auxiliary codes.

Signed-off-by: Chen Linfei <linfei_chen@c-sky.com>
Signed-off-by: Mao Han <han_mao@c-sky.com>
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
 2018-10-26 00:54:24 +08:00