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.text
/*
* equalMemory.
*
* rdi - r1 length
* rsi - r1 data.
* rdx - r2 length.
* rcx - r2 data.
*/
.globl _D5tanya6memory2op11equalMemoryFNaNbNixAvxQdZb
.type _D5tanya6memory2op11equalMemoryFNaNbNixAvxQdZb, @function
_D5tanya6memory2op11equalMemoryFNaNbNixAvxQdZb:
// Compare the lengths
cmp %rdx, %rdi
jne not_equal
mov %rcx, %rdi
// Check if we're aligned
cmp $0x08, %rdx
jc aligned_1
test $0x07, %edi
jz aligned_8
naligned:
cmpsb
jne not_equal
dec %rdx
test $0x07, %edi
jnz naligned
aligned_8:
mov %rdx, %rcx
shr $0x03, %rcx
repe cmpsq
jne not_equal
and $0x07, %edx
jz equal
aligned_1: // Compare the remaining bytes
mov %rdx, %rcx
cmp $0x0, %rcx
repe cmpsb
jne not_equal
equal:
mov $0x01, %rax // Return 1
jmp end
not_equal:
xor %rax, %rax // Return 0
end:
ret
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