user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<main>:
  endbr64
  push   %r15
  pxor   %xmm0,%xmm0
  mov    %rsi,%r15
  push   %r14
  mov    %edi,%r14d
  push   %r13
  push   %r12
  push   %rbp
  mov    $0x10,%ebp
  push   %rbx
  sub    $0x128,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x118(%rsp)
  xor    %eax,%eax
  lea    0x50(%rsp),%r13
  movaps %xmm0,0xd0(%rsp)
  lea    0x90(%rsp),%r12
  movaps %xmm0,0xe0(%rsp)
  movaps %xmm0,0xf0(%rsp)
  movaps %xmm0,0x100(%rsp)
L18:
  lea    -0x10(%rbp),%rbx
L5:
  xor    %eax,%eax
  call   <rand@plt>
  mov    %eax,0x0(%r13,%rbx,1)
  xor    %eax,%eax
  call   <rand@plt>
  mov    %eax,(%r12,%rbx,1)
  add    $0x4,%rbx
  cmp    %rbx,%rbp
  jne    L5
  add    $0x10,%rbp
  cmp    $0x50,%rbp
  jne    L18
  mov    $0x989680,%eax
  cmp    $0x1,%r14d
  jg     L47
L24:
  movdqa 0x90(%rsp),%xmm0
  movdqa 0x50(%rsp),%xmm4
  movd   %eax,%xmm2
  pshufd $0x0,0x70(%rsp),%xmm5
  movdqa 0x60(%rsp),%xmm11
  pshufd $0x0,%xmm2,%xmm14
  movdqa 0xc0(%rsp),%xmm8
  pshufd $0x0,%xmm4,%xmm1
  movdqa %xmm0,%xmm6
  pshufd $0x55,%xmm4,%xmm7
  movaps %xmm14,0x40(%rsp)
  psrlq  $0x20,%xmm6
  movdqa %xmm1,%xmm3
  movdqa %xmm7,%xmm15
  psrlq  $0x20,%xmm1
  pmuludq %xmm0,%xmm3
  pmuludq %xmm6,%xmm1
  psrlq  $0x20,%xmm7
  pshufd $0x8,%xmm3,%xmm3
  pshufd $0x8,%xmm1,%xmm1
  punpckldq %xmm1,%xmm3
  pshufd $0x0,%xmm11,%xmm1
  movdqa %xmm1,%xmm2
  psrlq  $0x20,%xmm1
  pmuludq %xmm0,%xmm2
  pmuludq %xmm6,%xmm1
  pshufd $0x8,%xmm2,%xmm2
  pshufd $0x8,%xmm1,%xmm1
  punpckldq %xmm1,%xmm2
  movdqa %xmm5,%xmm1
  psrlq  $0x20,%xmm5
  pmuludq %xmm0,%xmm1
  pmuludq %xmm6,%xmm5
  pshufd $0x8,%xmm1,%xmm1
  pshufd $0x8,%xmm5,%xmm5
  punpckldq %xmm5,%xmm1
  pshufd $0x0,0x80(%rsp),%xmm5
  pmuludq %xmm5,%xmm0
  psrlq  $0x20,%xmm5
  pmuludq %xmm6,%xmm5
  movdqa 0xa0(%rsp),%xmm6
  movdqa %xmm6,%xmm9
  pmuludq %xmm6,%xmm15
  psrlq  $0x20,%xmm9
  pshufd $0x8,%xmm0,%xmm0
  pmuludq %xmm9,%xmm7
  pshufd $0x8,%xmm5,%xmm5
  punpckldq %xmm5,%xmm0
  movdqa 0xb0(%rsp),%xmm5
  pshufd $0x8,%xmm15,%xmm15
  pshufd $0x8,%xmm7,%xmm7
  punpckldq %xmm7,%xmm15
  pshufd $0x55,%xmm11,%xmm7
  movdqa %xmm7,%xmm12
  psrlq  $0x20,%xmm7
  pmuludq %xmm6,%xmm12
  pmuludq %xmm9,%xmm7
  pshufd $0x8,%xmm12,%xmm12
  pshufd $0x8,%xmm7,%xmm7
  punpckldq %xmm7,%xmm12
  pshufd $0x55,0x70(%rsp),%xmm7
  movdqa %xmm7,%xmm10
  psrlq  $0x20,%xmm7
  pmuludq %xmm6,%xmm10
  pmuludq %xmm9,%xmm7
  pshufd $0x8,%xmm10,%xmm10
  pshufd $0x8,%xmm7,%xmm7
  punpckldq %xmm7,%xmm10
  pshufd $0x55,0x80(%rsp),%xmm7
  pmuludq %xmm7,%xmm6
  psrlq  $0x20,%xmm7
  pmuludq %xmm9,%xmm7
  pshufd $0x8,%xmm6,%xmm6
  pshufd $0x8,%xmm7,%xmm7
  punpckldq %xmm7,%xmm6
  movdqa %xmm5,%xmm7
  movaps %xmm6,0x30(%rsp)
  pshufd $0xaa,%xmm4,%xmm6
  psrlq  $0x20,%xmm7
  pshufd $0xff,%xmm4,%xmm4
  movdqa %xmm6,%xmm14
  psrlq  $0x20,%xmm6
  pmuludq %xmm5,%xmm14
  pmuludq %xmm7,%xmm6
  pshufd $0x8,%xmm14,%xmm14
  pshufd $0x8,%xmm6,%xmm6
  punpckldq %xmm6,%xmm14
  pshufd $0xaa,%xmm11,%xmm6
  movdqa %xmm6,%xmm9
  psrlq  $0x20,%xmm6
  pmuludq %xmm5,%xmm9
  pmuludq %xmm7,%xmm6
  pshufd $0x8,%xmm9,%xmm9
  pshufd $0x8,%xmm6,%xmm6
  punpckldq %xmm6,%xmm9
  pshufd $0xaa,0x70(%rsp),%xmm6
  movdqa %xmm6,%xmm13
  pmuludq %xmm5,%xmm13
  psrlq  $0x20,%xmm6
  movaps %xmm9,(%rsp)
  pmuludq %xmm7,%xmm6
  pshufd $0x8,%xmm13,%xmm9
  pshufd $0x8,%xmm6,%xmm6
  movdqa %xmm9,%xmm13
  punpckldq %xmm6,%xmm13
  pshufd $0xaa,0x80(%rsp),%xmm6
  pmuludq %xmm6,%xmm5
  psrlq  $0x20,%xmm6
  movaps %xmm13,0x10(%rsp)
  pmuludq %xmm7,%xmm6
  movdqa %xmm4,%xmm7
  pmuludq %xmm8,%xmm7
  psrlq  $0x20,%xmm4
  pshufd $0x8,%xmm5,%xmm5
  pshufd $0x8,%xmm6,%xmm6
  movdqa %xmm7,%xmm13
  movdqa %xmm8,%xmm7
  punpckldq %xmm6,%xmm5
  movdqa (%rsp),%xmm6
  psrlq  $0x20,%xmm7
  pshufd $0x8,%xmm13,%xmm13
  movaps %xmm5,0x20(%rsp)
  pmuludq %xmm7,%xmm4
  movdqa %xmm7,%xmm5
  pshufd $0x8,%xmm4,%xmm4
  punpckldq %xmm4,%xmm13
  pshufd $0xff,%xmm11,%xmm4
  movdqa %xmm4,%xmm11
  psrlq  $0x20,%xmm4
  pmuludq %xmm8,%xmm11
  pmuludq %xmm7,%xmm4
  pshufd $0x8,%xmm11,%xmm11
  pshufd $0x8,%xmm4,%xmm4
  punpckldq %xmm4,%xmm11
  pshufd $0xff,0x70(%rsp),%xmm4
  movdqa %xmm4,%xmm7
  psrlq  $0x20,%xmm4
  pmuludq %xmm8,%xmm7
  paddd  %xmm11,%xmm6
  pmuludq %xmm5,%xmm4
  paddd  %xmm12,%xmm6
  paddd  %xmm2,%xmm6
  paddd  0xe0(%rsp),%xmm2
  paddd  %xmm12,%xmm2
  paddd  (%rsp),%xmm2
  pshufd $0x8,%xmm7,%xmm9
  movdqa %xmm13,%xmm7
  pshufd $0x8,%xmm4,%xmm4
  paddd  %xmm14,%xmm7
  paddd  %xmm11,%xmm2
  punpckldq %xmm4,%xmm9
  paddd  %xmm15,%xmm7
  pshufd $0xff,0x80(%rsp),%xmm4
  pmuludq %xmm4,%xmm8
  psrlq  $0x20,%xmm4
  paddd  %xmm3,%xmm7
  paddd  0xd0(%rsp),%xmm3
  pmuludq %xmm5,%xmm4
  movdqa 0x10(%rsp),%xmm5
  paddd  %xmm9,%xmm5
  paddd  %xmm15,%xmm3
  paddd  %xmm10,%xmm5
  paddd  %xmm14,%xmm3
  movdqa 0x40(%rsp),%xmm14
  pshufd $0x8,%xmm8,%xmm8
  paddd  %xmm1,%xmm5
  paddd  %xmm13,%xmm3
  paddd  0xf0(%rsp),%xmm1
  pshufd $0x8,%xmm4,%xmm4
  punpckldq %xmm4,%xmm8
  movdqa 0x20(%rsp),%xmm4
  paddd  %xmm10,%xmm1
  paddd  0x10(%rsp),%xmm1
  movdqa %xmm7,%xmm10
  paddd  %xmm8,%xmm4
  paddd  0x30(%rsp),%xmm4
  psrlq  $0x20,%xmm7
  paddd  %xmm9,%xmm1
  pcmpeqd %xmm9,%xmm9
  paddd  %xmm0,%xmm4
  paddd  %xmm14,%xmm9
  paddd  0x100(%rsp),%xmm0
  paddd  0x30(%rsp),%xmm0
  paddd  0x20(%rsp),%xmm0
  paddd  %xmm8,%xmm0
  pxor   %xmm8,%xmm8
  pcmpeqd %xmm14,%xmm8
  pandn  %xmm9,%xmm8
  movdqa %xmm8,%xmm9
  pmuludq %xmm8,%xmm10
  psrlq  $0x20,%xmm9
  pmuludq %xmm9,%xmm7
  pshufd $0x8,%xmm10,%xmm10
  pshufd $0x8,%xmm7,%xmm7
  punpckldq %xmm7,%xmm10
  movdqa %xmm6,%xmm7
  pmuludq %xmm8,%xmm7
  psrlq  $0x20,%xmm6
  paddd  %xmm10,%xmm3
  pmuludq %xmm9,%xmm6
  movaps %xmm3,0xd0(%rsp)
  pshufd $0x8,%xmm7,%xmm7
  pshufd $0x8,%xmm6,%xmm3
  movdqa %xmm7,%xmm6
  punpckldq %xmm3,%xmm6
  movdqa %xmm5,%xmm3
  psrlq  $0x20,%xmm5
  pmuludq %xmm8,%xmm3
  paddd  %xmm6,%xmm2
  pmuludq %xmm9,%xmm5
  pmuludq %xmm4,%xmm8
  movaps %xmm2,0xe0(%rsp)
  psrlq  $0x20,%xmm4
  pmuludq %xmm9,%xmm4
  pshufd $0x8,%xmm3,%xmm3
  pshufd $0x8,%xmm5,%xmm2
  pshufd $0x8,%xmm8,%xmm8
  punpckldq %xmm2,%xmm3
  paddd  %xmm3,%xmm1
  movaps %xmm1,0xf0(%rsp)
  pshufd $0x8,%xmm4,%xmm1
  punpckldq %xmm1,%xmm8
  paddd  %xmm0,%xmm8
  movaps %xmm8,0x100(%rsp)
L56:
  xor    %eax,%eax
  lea    0xd0(%rsp),%rdi
  call   <print_matriu@plt>
  mov    0x118(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L14
  add    $0x128,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L47:
  mov    0x8(%r15),%rdi
  xor    %eax,%eax
  call   <atoi@plt>
  test   %eax,%eax
  jne    L24
  jmp    L56
L14:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main(int argc, char *argv[]) {
  int A[4][4], B[4][4], C[4][4] = {{0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}};
  unsigned int n_iter = 10000000, i, j;
  for (i = 0; i < 4; i++) {
    for (j = 0; j < 4; j++) {
      A[i][j] = rand();
      B[i][j] = rand();
    }
  }
  if (argc > 1) {
    n_iter = atoi(argv[1]);
  }
  ({
    int iter;
    int i, j, k;
    for (iter = 0; iter < (n_iter); iter++) {
      ({
        ({
          ({
            (C)[(0)][(0)] = (C)[(0)][(0)] + (A)[(0)][0] * (B)[0][(0)];
            (C)[(0)][(0)] = (C)[(0)][(0)] + (A)[(0)][1] * (B)[1][(0)];
            (C)[(0)][(0)] = (C)[(0)][(0)] + (A)[(0)][2] * (B)[2][(0)];
            (C)[(0)][(0)] = (C)[(0)][(0)] + (A)[(0)][3] * (B)[3][(0)];
          });
          ({
            (C)[(0)][(1)] = (C)[(0)][(1)] + (A)[(0)][0] * (B)[0][(1)];
            (C)[(0)][(1)] = (C)[(0)][(1)] + (A)[(0)][1] * (B)[1][(1)];
            (C)[(0)][(1)] = (C)[(0)][(1)] + (A)[(0)][2] * (B)[2][(1)];
            (C)[(0)][(1)] = (C)[(0)][(1)] + (A)[(0)][3] * (B)[3][(1)];
          });
          ({
            (C)[(0)][(2)] = (C)[(0)][(2)] + (A)[(0)][0] * (B)[0][(2)];
            (C)[(0)][(2)] = (C)[(0)][(2)] + (A)[(0)][1] * (B)[1][(2)];
            (C)[(0)][(2)] = (C)[(0)][(2)] + (A)[(0)][2] * (B)[2][(2)];
            (C)[(0)][(2)] = (C)[(0)][(2)] + (A)[(0)][3] * (B)[3][(2)];
          });
          ({
            (C)[(0)][(3)] = (C)[(0)][(3)] + (A)[(0)][0] * (B)[0][(3)];
            (C)[(0)][(3)] = (C)[(0)][(3)] + (A)[(0)][1] * (B)[1][(3)];
            (C)[(0)][(3)] = (C)[(0)][(3)] + (A)[(0)][2] * (B)[2][(3)];
            (C)[(0)][(3)] = (C)[(0)][(3)] + (A)[(0)][3] * (B)[3][(3)];
          });
        });
        ({
          ({
            (C)[(1)][(0)] = (C)[(1)][(0)] + (A)[(1)][0] * (B)[0][(0)];
            (C)[(1)][(0)] = (C)[(1)][(0)] + (A)[(1)][1] * (B)[1][(0)];
            (C)[(1)][(0)] = (C)[(1)][(0)] + (A)[(1)][2] * (B)[2][(0)];
            (C)[(1)][(0)] = (C)[(1)][(0)] + (A)[(1)][3] * (B)[3][(0)];
          });
          ({
            (C)[(1)][(1)] = (C)[(1)][(1)] + (A)[(1)][0] * (B)[0][(1)];
            (C)[(1)][(1)] = (C)[(1)][(1)] + (A)[(1)][1] * (B)[1][(1)];
            (C)[(1)][(1)] = (C)[(1)][(1)] + (A)[(1)][2] * (B)[2][(1)];
            (C)[(1)][(1)] = (C)[(1)][(1)] + (A)[(1)][3] * (B)[3][(1)];
          });
          ({
            (C)[(1)][(2)] = (C)[(1)][(2)] + (A)[(1)][0] * (B)[0][(2)];
            (C)[(1)][(2)] = (C)[(1)][(2)] + (A)[(1)][1] * (B)[1][(2)];
            (C)[(1)][(2)] = (C)[(1)][(2)] + (A)[(1)][2] * (B)[2][(2)];
            (C)[(1)][(2)] = (C)[(1)][(2)] + (A)[(1)][3] * (B)[3][(2)];
          });
          ({
            (C)[(1)][(3)] = (C)[(1)][(3)] + (A)[(1)][0] * (B)[0][(3)];
            (C)[(1)][(3)] = (C)[(1)][(3)] + (A)[(1)][1] * (B)[1][(3)];
            (C)[(1)][(3)] = (C)[(1)][(3)] + (A)[(1)][2] * (B)[2][(3)];
            (C)[(1)][(3)] = (C)[(1)][(3)] + (A)[(1)][3] * (B)[3][(3)];
          });
        });
        ({
          ({
            (C)[(2)][(0)] = (C)[(2)][(0)] + (A)[(2)][0] * (B)[0][(0)];
            (C)[(2)][(0)] = (C)[(2)][(0)] + (A)[(2)][1] * (B)[1][(0)];
            (C)[(2)][(0)] = (C)[(2)][(0)] + (A)[(2)][2] * (B)[2][(0)];
            (C)[(2)][(0)] = (C)[(2)][(0)] + (A)[(2)][3] * (B)[3][(0)];
          });
          ({
            (C)[(2)][(1)] = (C)[(2)][(1)] + (A)[(2)][0] * (B)[0][(1)];
            (C)[(2)][(1)] = (C)[(2)][(1)] + (A)[(2)][1] * (B)[1][(1)];
            (C)[(2)][(1)] = (C)[(2)][(1)] + (A)[(2)][2] * (B)[2][(1)];
            (C)[(2)][(1)] = (C)[(2)][(1)] + (A)[(2)][3] * (B)[3][(1)];
          });
          ({
            (C)[(2)][(2)] = (C)[(2)][(2)] + (A)[(2)][0] * (B)[0][(2)];
            (C)[(2)][(2)] = (C)[(2)][(2)] + (A)[(2)][1] * (B)[1][(2)];
            (C)[(2)][(2)] = (C)[(2)][(2)] + (A)[(2)][2] * (B)[2][(2)];
            (C)[(2)][(2)] = (C)[(2)][(2)] + (A)[(2)][3] * (B)[3][(2)];
          });
          ({
            (C)[(2)][(3)] = (C)[(2)][(3)] + (A)[(2)][0] * (B)[0][(3)];
            (C)[(2)][(3)] = (C)[(2)][(3)] + (A)[(2)][1] * (B)[1][(3)];
            (C)[(2)][(3)] = (C)[(2)][(3)] + (A)[(2)][2] * (B)[2][(3)];
            (C)[(2)][(3)] = (C)[(2)][(3)] + (A)[(2)][3] * (B)[3][(3)];
          });
        });
        ({
          ({
            (C)[(3)][(0)] = (C)[(3)][(0)] + (A)[(3)][0] * (B)[0][(0)];
            (C)[(3)][(0)] = (C)[(3)][(0)] + (A)[(3)][1] * (B)[1][(0)];
            (C)[(3)][(0)] = (C)[(3)][(0)] + (A)[(3)][2] * (B)[2][(0)];
            (C)[(3)][(0)] = (C)[(3)][(0)] + (A)[(3)][3] * (B)[3][(0)];
          });
          ({
            (C)[(3)][(1)] = (C)[(3)][(1)] + (A)[(3)][0] * (B)[0][(1)];
            (C)[(3)][(1)] = (C)[(3)][(1)] + (A)[(3)][1] * (B)[1][(1)];
            (C)[(3)][(1)] = (C)[(3)][(1)] + (A)[(3)][2] * (B)[2][(1)];
            (C)[(3)][(1)] = (C)[(3)][(1)] + (A)[(3)][3] * (B)[3][(1)];
          });
          ({
            (C)[(3)][(2)] = (C)[(3)][(2)] + (A)[(3)][0] * (B)[0][(2)];
            (C)[(3)][(2)] = (C)[(3)][(2)] + (A)[(3)][1] * (B)[1][(2)];
            (C)[(3)][(2)] = (C)[(3)][(2)] + (A)[(3)][2] * (B)[2][(2)];
            (C)[(3)][(2)] = (C)[(3)][(2)] + (A)[(3)][3] * (B)[3][(2)];
          });
          ({
            (C)[(3)][(3)] = (C)[(3)][(3)] + (A)[(3)][0] * (B)[0][(3)];
            (C)[(3)][(3)] = (C)[(3)][(3)] + (A)[(3)][1] * (B)[1][(3)];
            (C)[(3)][(3)] = (C)[(3)][(3)] + (A)[(3)][2] * (B)[2][(3)];
            (C)[(3)][(3)] = (C)[(3)][(3)] + (A)[(3)][3] * (B)[3][(3)];
          });
        });
      });
    }
  });
  print_matriu(C);
  return 0;
}
```