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This patch includes optimized 64bit memcpy/memmove for Atom, Core 2 and Core i7. It improves memcpy by up to 3X on Atom, up to 4X on Core 2 and up to 1X on Core i7. It also improves memmove by up to 3X on Atom, up to 4X on Core 2 and up to 2X on Core i7.
8 lines
109 B
ArmAsm
8 lines
109 B
ArmAsm
#include <sysdep.h>
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.text
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ENTRY(bcopy)
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xchg %rdi, %rsi
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jmp HIDDEN_BUILTIN_JUMPTARGET(memmove)
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END(bcopy)
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