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- /* Copyright 2002 Andi Kleen */
-
- #include <asm/cpufeature.h>
- /*
- * memcpy - Copy a memory block.
- *
- * Input:
- * rdi destination
- * rsi source
- * rdx count
- *
- * Output:
- * rax original destination
- *
- * TODO: check best memcpy for PSC
- */
- .globl __memcpy
- .globl memcpy
- .p2align 4
- __memcpy:
- memcpy:
- movq %rdi,%rax
- movl %edx,%ecx
- shrl $3,%ecx
- andl $7,%edx
- rep
- movsq
- movl %edx,%ecx
- rep
- movsb
- ret
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