.text
.type max_1_ind, @function
.global max_1_ind

#rdi  -tab
#rsi - n
#rdx - even_count
#rcx - neg-count
max_1_ind:
    PUSH %rbx
    PUSH %rdx
    PUSH %rdi
    MOV $0, %r10 # even_count
    MOVB $0, (%rcx)
    MOV $0, %rbx #max 1 counter
    MOV %rsi, %r8
loop:
    MOVQ (%rdi), %rax
    CMP $0, %rax
    JL negative
afterNeg:
    MOVQ (%rdi), %rax
    XOR %rdx, %rdx
    XOR %r12, %r12
    MOV $2, %r12
    IDIV %r12d
    CMP $0, %rdx
    JE even
afterEven:
    XOR %rax, %rax
    MOV (%rdi), %rax
    JMP count1
afterCount:
    DEC %rsi
    ADD $8, %rdi
    CMP $0, %rsi
    JNE loop
    POP %rdi
    POP %rdx
    POP %rbx
    MOV %r11, %rax
    MOVQ %r10, (%rdx)
    RET

negative:
    XOR %r12, %r12
    MOVQ (%rcx), %r12
    INC %r12
    MOVQ %r12, (%rcx)
    JMP afterNeg

even:
    INC %r10
    JMP afterEven

count1:
    XOR %r9, %r9
    XOR %r12, %r12
    MOV $0, %r9
    MOV $0, %r12 # how many 1
countLoop:
    PUSH %rax
    AND $1, %rax
    CMP $0, %rax
    JE zero
    INC %r12
zero:
    POP %rax
    SHR $1, %rax
    INC %r9
    CMP $64, %r9
    JNE countLoop
    CMP %r12, %rbx
    JG afterCount
    MOV %r12, %rbx
    MOVQ (%rdi), %r11
    JMP afterCount