20 lines
264 B
ArmAsm
20 lines
264 B
ArmAsm
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global ft_strcmp
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ft_strcmp:
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xor rdx, rdx
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xor rax, rax
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.loop:
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mov al, [rsi + rdx]
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cmp byte [rdi + rdx], al
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jne .done
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cmp byte [rdi + rdx], 0
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je .done
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inc rdx
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jmp .loop
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.done:
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movsx rax, byte [rdi + rdx]
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movsx rbx, byte [rsi + rdx]
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sub rax, rbx
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ret
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