.text
        .global dot_product
dot_product:
        pushl   %ebp
        movl    %esp, %ebp
        pushl   %edi
        pushl   %esi

        movl    8(%ebp), %eax
        movl    12(%ebp), %edi
        movl    16(%ebp), %esi

        movups  (%esi), %xmm0




loopa:
        movups  (%edi), xmm1
        movups  (%esi), xmm2
        mulps   xmm1, xmm2
        addps   xmm2, xmm0

        incl    %edi
        incl    %esi

        subl    $1, %eax
        cmpl    $0, %eax
        jne     loopa


        subl    $8, %esp
        movss  %xmm0, (%esp)
        fld   (%esp)
        addl     $8, %esp

        popl    %esi
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