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- .globl asm_str_ltrim
- asm_str_ltrim:
- testq %rsi, %rsi
- je sl_out
- sl_loop:
- movq %rsi, %rbx
- sl_len:
- incq %rsi
- cmpb $0xa, (%rsi)
- je sl_calc
- cmpb $0x0, (%rsi)
- je sl_calc
- jmp sl_len
- sl_calc:
- addq %rdx, %rbx
- cmpq %rbx, %rsi
- jle sl_inc
- sl_copy:
- movb (%rbx), %al
- movb %al, (%rdi)
- incq %rbx
- incq %rdi
- cmpq %rbx, %rsi
- jg sl_copy
- movq $0xa, (%rdi)
- incq %rdi
- sl_inc:
- incq %rsi
- cmpb $0x0, (%rsi)
- jne sl_loop
- sl_out:
- movb $0x0, (%rdi)
- ret
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