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.text
/*
* copyMemory.
*
* rdi - source length
* rsi - source data.
* rdx - target length.
* rcx - target data.
*/
.globl _D5tanya6memory2op10copyMemoryFNaNbNixAvAvZv
.type _D5tanya6memory2op10copyMemoryFNaNbNixAvAvZv, @function
_D5tanya6memory2op10copyMemoryFNaNbNixAvAvZv:
mov %rdi, %rdx
mov %rcx, %rdi
cmp $0x08, %rdx
jc aligned_1
test $0x07, %edi
jz aligned_8
naligned:
movsb
dec %rdx
test $0x07, %edi
jnz naligned
aligned_8:
mov %rdx, %rcx
shr $0x03, %rcx
rep movsq
and $0x07, %edx
jz end
aligned_1:
// Write the remaining bytes
mov %rdx, %rcx
rep movsb
end:
ret
/*
* moveMemory.
*
* rdi - source length
* rsi - source data.
* rdx - target length.
* rcx - target data.
*/
.globl _D5tanya6memory2op10moveMemoryFNaNbNixAvAvZv
.type _D5tanya6memory2op10moveMemoryFNaNbNixAvAvZv, @function
_D5tanya6memory2op10moveMemoryFNaNbNixAvAvZv:
mov %rdi, %rdx
lea -1(%rdx, %rsi), %rsi
lea -1(%rdx, %rcx), %rdi
mov %rdx, %rcx
std // Set the direction flag
rep movsb
cld // Clear the direction flag
ret
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