Original

    .file   "main.c"
    .def    ___main;    .scl    2;  .type   32; .endef
    .section .rdata,"dr"
LC0:
    .ascii "%f\0"
    .text
    .globl  _main
    .def    _main;  .scl    2;  .type   32; .endef
_main:
LFB15:
    .cfi_startproc
    pushl   %ebp
    .cfi_def_cfa_offset 8
    .cfi_offset 5, -8
    movl    %esp, %ebp
    .cfi_def_cfa_register 5
    andl    $-16, %esp
    subl    $64, %esp
    call    ___main
    movl    $808464432, 27(%esp)
    movl    $808530224, 31(%esp)
    movl    $808464432, 35(%esp)
    movb    $0, 39(%esp)
    movl    $30, 48(%esp)
    movl    $10000000, 44(%esp)
    call    _clock
    movl    %eax, 40(%esp)
    movl    $0, 60(%esp)
    jmp L2
L7:
    movzbl  27(%esp), %eax
    movsbl  %al, %eax
    subl    $48, %eax
    addl    %eax, %eax
    movl    %eax, 52(%esp)
    movl    $0, 56(%esp)
    jmp L3
L6:
    movl    52(%esp), %eax
    leal    (%eax,%eax), %edx
    movl    56(%esp), %eax
    addl    $1, %eax
    movzbl  27(%esp,%eax), %eax
    testb   %al, %al
    je  L4
    movl    56(%esp), %eax
    addl    $1, %eax
    movzbl  27(%esp,%eax), %eax
    movsbl  %al, %eax
    subl    $48, %eax
    jmp L5
L4:
    movl    $0, %eax
L5:
    orl %edx, %eax
    andl    $7, %eax
    movl    %eax, 52(%esp)
    movl    48(%esp), %eax
    movzbl  %al, %edx
    movl    52(%esp), %eax
    movl    %eax, %ecx
    shrl    %cl, %edx
    movl    %edx, %eax
    andl    $1, %eax
    addl    $48, %eax
    leal    27(%esp), %ecx
    movl    56(%esp), %edx
    addl    %ecx, %edx
    movb    %al, (%edx)
    addl    $1, 56(%esp)
L3:
    leal    27(%esp), %edx
    movl    56(%esp), %eax
    addl    %edx, %eax
    movzbl  (%eax), %eax
    testb   %al, %al
    jne L6
    addl    $1, 60(%esp)
L2:
    movl    60(%esp), %eax
    cmpl    44(%esp), %eax
    jb  L7
    call    _clock
    movl    %eax, 12(%esp)
    fildl   12(%esp)
    fildl   40(%esp)
    fsubrp  %st, %st(1)
    fstpl   4(%esp)
    movl    $LC0, (%esp)
    call    _printf
    movl    $0, %eax
    leave
    .cfi_restore 5
    .cfi_def_cfa 4, 4
    ret
    .cfi_endproc
LFE15:
    .ident  "GCC: (rev5, Built by MinGW-W64 project) 4.8.1"
    .def    _clock; .scl    2;  .type   32; .endef
    .def    _printf;    .scl    2;  .type   32; .endef