add: strcmp

2024-08-29 17:24:40 +02:00 · 2024-08-29 17:24:40 +02:00 · ea247dce62
commit ea247dce62
parent 4f2537b58f
1 changed files with 25 additions and 0 deletions
--- a/src/ft_strcmp.asm
+++ b/src/ft_strcmp.asm
@ -0,0 +1,25 @@
+    section .note.GNU-stack noalloc noexec nowrite progbits
+    section .text
+    global ft_strcmp
+
+ft_strcmp:
+        mov rcx, 0
+loop:
+        mov dl, [rsi + rcx]
+        mov bl, [rdi + rcx]
+
+        cmp bl, 0
+        je out
+
+        cmp bl, dl
+        jne out
+
+        inc rcx
+        jmp loop
+out:
+        mov rax, 0
+        mov rbx, 0
+        mov bl, BYTE [rsi + rcx]
+        mov al, BYTE [rdi + rcx]
+        sub rax, rbx
+        ret