aliasing.asm

sumBy(int*, int):                            # @sumBy(int*, int)
        movd    xmm0, esi
        pshufd  xmm1, xmm0, 0                   # xmm1 = xmm0[0,0,0,0]
        movdqu  xmm2, xmmword ptr [rdi]
        movdqu  xmm3, xmmword ptr [rdi + 16]
        paddd   xmm2, xmm1
        movdqu  xmmword ptr [rdi], xmm2
        paddd   xmm3, xmm1
        movdqu  xmmword ptr [rdi + 16], xmm3
        movq    xmm1, qword ptr [rdi + 32]      # xmm1 = mem[0],zero
        pshufd  xmm0, xmm0, 80                  # xmm0 = xmm0[0,0,1,1]
        paddd   xmm0, xmm1
        movq    qword ptr [rdi + 32], xmm0
        ret
sumByRef(int*, int const&):                       # @sumByRef(int*, int const&)
        mov     eax, dword ptr [rsi]
        add     dword ptr [rdi], eax
        mov     eax, dword ptr [rsi]
        add     dword ptr [rdi + 4], eax
        mov     eax, dword ptr [rsi]
        add     dword ptr [rdi + 8], eax
        mov     eax, dword ptr [rsi]
        add     dword ptr [rdi + 12], eax
        mov     eax, dword ptr [rsi]
        add     dword ptr [rdi + 16], eax
        mov     eax, dword ptr [rsi]
        add     dword ptr [rdi + 20], eax
        mov     eax, dword ptr [rsi]
        add     dword ptr [rdi + 24], eax
        mov     eax, dword ptr [rsi]
        add     dword ptr [rdi + 28], eax
        mov     eax, dword ptr [rsi]
        add     dword ptr [rdi + 32], eax
        mov     eax, dword ptr [rsi]
        add     dword ptr [rdi + 36], eax
        ret