Assembler for coding challenge

        .file   "horror1.c"
        .section        .rodata.str1.1,"aMS",@progbits,1
.LC0:
        .string "Fizz"
.LC1:
        .string "Buzz"
.LC2:
        .string "%d"
.LC3:
        .string "\n"
        .section        .text.startup,"ax",@progbits
        .p2align 4,,15
        .globl  main
        .type   main, @function
main:
.LFB13:
        .cfi_startproc
        pushq   %r13
        .cfi_def_cfa_offset 16
        .cfi_offset 13, -16
        movl    $1, %r13d
        pushq   %r12
        .cfi_def_cfa_offset 24
        .cfi_offset 12, -24
        pushq   %rbp
        .cfi_def_cfa_offset 32
        .cfi_offset 6, -32
        movl    $103, %ebp
        pushq   %rbx
        .cfi_def_cfa_offset 40
        .cfi_offset 3, -40
        movl    $1, %ebx
        subq    $8, %rsp
        .cfi_def_cfa_offset 48
        jmp     .L2
        .p2align 4,,10
        .p2align 3
.L4:
        testb   %r13b, %r13b
        je      .L5
        testb   %r12b, %r12b
        jne     .L8
.L5:
        xorl    %eax, %eax
        movl    $.LC3, %esi
        movl    $1, %edi
        call    __printf_chk
        cmpl    $100, %ebx
        leal    1(%rbx), %edx
        je      .L9
        movl    $86, %r13d
        movl    %edx, %eax
        imulb   %r13b
        movl    %eax, %r13d
        movl    %edx, %eax
        shrw    $8, %r13w
        sarb    $7, %al
        subb    %al, %r13b
        leal    0(%r13,%r13,2), %r13d
        subb    %r13b, %dl
        movl    %edx, %r13d
        je      .L10
.L3:
        addl    $1, %ebx
.L2:
        movl    %ebx, %eax
        movl    %ebx, %edx
        imulb   %bpl
        shrw    $8, %ax
        sarb    %al
        movl    %eax, %r12d
        movl    %ebx, %eax
        sarb    $7, %al
        subb    %al, %r12b
        leal    (%r12,%r12,4), %r12d
        subb    %r12b, %dl
        movl    %edx, %r12d
        jne     .L4
        movl    $.LC1, %esi
        movl    $1, %edi
        xorl    %eax, %eax
        call    __printf_chk
        jmp     .L4
        .p2align 4,,10
        .p2align 3
.L10:
        movl    $.LC0, %esi
        movl    $1, %edi
        xorl    %eax, %eax
        call    __printf_chk
        jmp     .L3
        .p2align 4,,10
        .p2align 3
.L8:
        movl    %ebx, %edx
        movl    $.LC2, %esi
        movl    $1, %edi
        xorl    %eax, %eax
        call    __printf_chk
        jmp     .L5
        .p2align 4,,10
        .p2align 3
.L9:
        addq    $8, %rsp
        .cfi_def_cfa_offset 40
        popq    %rbx
        .cfi_def_cfa_offset 32
        popq    %rbp
        .cfi_def_cfa_offset 24
        popq    %r12
        .cfi_def_cfa_offset 16
        popq    %r13
        .cfi_def_cfa_offset 8
        ret
        .cfi_endproc
.LFE13:
        .size   main, .-main
        .ident  "GCC: (Gentoo 4.6.3 p1.11, pie-0.5.2) 4.6.3"
        .section        .note.GNU-stack,"",@progbits