user: 这段汇编代码用C语言表示是什么样的？

```asm
<sppdist_sqeuclidean>:
  endbr64
  push   %r15
  mov    %ecx,%r15d
  push   %r14
  mov    %esi,%r14d
  push   %r13
  mov    %edx,%r13d
  push   %r12
  push   %rbp
  lea    0x0(,%rsi,4),%ebp
  push   %rbx
  movslq %ebp,%rbp
  mov    %rdi,%rbx
  shl    $0x2,%rbp
  sub    $0x78,%rsp
  mov    (%r9),%rdi
  mov    %esi,0x40(%rsp)
  mov    %ecx,0x5c(%rsp)
  lea    (%rsi,%rsi,1),%ecx
  mov    %rbp,%rsi
  mov    %r8,0x60(%rsp)
  mov    %r9,0x68(%rsp)
  mov    %ecx,0x38(%rsp)
  movsd  %xmm0,0x30(%rsp)
  call   <realloc@plt>
  mov    %rbp,%rsi
  mov    %rax,%r12
  mov    0x60(%rsp),%rax
  mov    (%rax),%rdi
  call   <realloc@plt>
  mov    %rax,0x28(%rsp)
  test   %r14d,%r14d
  jle    L26
  cmp    $0x3,%r15d
  movl   $0x0,0xc(%rsp)
  movd   0xc(%rsp),%xmm6
  sete   %dl
  cmp    $0x1,%r15d
  setbe  %al
  or     %eax,%edx
  test   $0xfffffffd,%r15d
  mov    %dl,0x47(%rsp)
  sete   %dl
  cmp    $0x4,%r15d
  sete   %al
  xor    %r14d,%r14d
  or     %eax,%edx
  movslq %r13d,%rax
  shl    $0x3,%rax
  mov    %dl,0x46(%rsp)
  mov    %rax,0x20(%rsp)
  add    %rax,%rbx
  mov    %rbx,0x48(%rsp)
  mov    %r14d,%ebx
  mov    %r13d,%r14d
  nopl   (%rax)
L69:
  cmpl   $0x2,0x5c(%rsp)
  pshufd $0xe0,%xmm6,%xmm0
  ja     L106
  lea    (%rbx,%rbx,1),%eax
  mov    0x28(%rsp),%rcx
  add    $0x1,%ebx
  cltq
  movq   %xmm0,(%r12,%rax,4)
  movq   $0x0,(%rcx,%rax,4)
  cmp    0x38(%rsp),%ebx
  je     L78
L106:
  mov    0xc(%rsp),%eax
  add    $0x1,%eax
  mov    %eax,0x58(%rsp)
  cmp    %eax,0x40(%rsp)
  je     L56
  mov    0x48(%rsp),%rbp
  mov    %eax,%r15d
  mov    %rbp,%r13
  sub    0x20(%rsp),%r13
  mov    %r13,%rax
  mov    %rbp,%r13
  mov    %r15d,%ebp
  mov    %rax,%r15
  nopw   0x0(%rax,%rax,1)
L32:
  movd   0xc(%rsp),%xmm1
  movd   %ebp,%xmm3
  movd   %ebp,%xmm2
  xor    %eax,%eax
  movd   0xc(%rsp),%xmm4
  mov    %r14d,%edx
  mov    %r15,%rsi
  mov    %r13,%rdi
  punpckldq %xmm3,%xmm1
  punpckldq %xmm4,%xmm2
  movq   %xmm1,0x10(%rsp)
  movq   %xmm2,0x18(%rsp)
  call   <sqeuclidean_distance@plt>
  pxor   %xmm0,%xmm0
  movsd  0x30(%rsp),%xmm5
  cvtsi2sd %eax,%xmm0
  comisd %xmm0,%xmm5
  jb     L74
  cmpb   $0x0,0x47(%rsp)
  je     L86
  lea    (%rbx,%rbx,1),%eax
  mov    0x18(%rsp),%rcx
  mov    0x28(%rsp),%rdi
  add    $0x1,%ebx
  cltq
  mov    %rcx,(%r12,%rax,4)
  movsd  %xmm0,(%rdi,%rax,4)
  cmp    0x38(%rsp),%ebx
  je     L142
L86:
  lea    (%rbx,%rbx,1),%edx
  cmpb   $0x0,0x46(%rsp)
  movslq %edx,%rax
  je     L74
  mov    0x10(%rsp),%rcx
  mov    0x28(%rsp),%rdi
  add    $0x1,%ebx
  mov    %rcx,(%r12,%rax,4)
  movsd  %xmm0,(%rdi,%rax,4)
  cmp    %ebx,0x38(%rsp)
  je     L58
L74:
  add    $0x1,%ebp
  add    0x20(%rsp),%r13
  cmp    %ebp,0x40(%rsp)
  jne    L32
  mov    0x58(%rsp),%eax
  mov    0x20(%rsp),%rdx
  add    %rdx,0x48(%rsp)
  mov    %eax,0xc(%rsp)
  movd   %eax,%xmm6
  jmp    L69
  cs nopw 0x0(%rax,%rax,1)
L142:
  lea    0x0(,%rbx,4),%esi
  mov    %r12,%rdi
  lea    (%rbx,%rbx,1),%eax
  movsd  %xmm0,0x50(%rsp)
  movslq %esi,%rsi
  mov    %eax,0x18(%rsp)
  shl    $0x2,%rsi
  mov    %rsi,0x38(%rsp)
  call   <realloc@plt>
  mov    0x38(%rsp),%rsi
  mov    0x28(%rsp),%rdi
  mov    %rax,%r12
  call   <realloc@plt>
  movsd  0x50(%rsp),%xmm0
  mov    %rax,0x28(%rsp)
  mov    0x18(%rsp),%eax
  mov    %eax,0x38(%rsp)
  jmp    L86
  nopw   0x0(%rax,%rax,1)
L58:
  lea    0x0(,%rbx,4),%esi
  lea    0x2(%rdx),%eax
  mov    %r12,%rdi
  movslq %esi,%rsi
  mov    %eax,0x38(%rsp)
  shl    $0x2,%rsi
  mov    %rsi,0x10(%rsp)
  call   <realloc@plt>
  mov    0x10(%rsp),%rsi
  mov    0x28(%rsp),%rdi
  mov    %rax,%r12
  call   <realloc@plt>
  mov    %rax,0x28(%rsp)
  jmp    L74
  cs nopw 0x0(%rax,%rax,1)
L56:
  lea    (%rbx,%rbx,1),%r13d
  mov    %ebx,%r14d
  movslq %r13d,%r13
  shl    $0x2,%r13
L85:
  mov    %r13,%rsi
  mov    %r12,%rdi
  call   <realloc@plt>
  mov    0x28(%rsp),%rdi
  mov    %r13,%rsi
  mov    %rax,%rbx
  call   <realloc@plt>
  mov    0x68(%rsp),%rcx
  mov    0x60(%rsp),%rdx
  mov    %rbx,(%rcx)
  mov    %rax,(%rdx)
  mov    0xb0(%rsp),%rax
  mov    %r14d,(%rax)
  add    $0x78,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L78:
  lea    0x0(,%rbx,4),%r13d
  mov    %r12,%rdi
  lea    (%rbx,%rbx,1),%ebp
  movslq %r13d,%r13
  shl    $0x2,%r13
  mov    %r13,%rsi
  call   <realloc@plt>
  mov    0x28(%rsp),%rdi
  mov    %r13,%rsi
  mov    %rax,%r12
  call   <realloc@plt>
  mov    %ebp,0x38(%rsp)
  mov    %rax,0x28(%rsp)
  jmp    L106
L26:
  xor    %r13d,%r13d
  xor    %r14d,%r14d
  jmp    L85
```

assistant: ```c
void sppdist_sqeuclidean(const double *X, int m, int n, double threshold, int form, double **out_Dx, int **out_Dij, int *out_nzmax) {
  int i, j;
  int nz, nzmax;
  double d;
  const double *x1, *x2;
  int *Dij;
  double *Dx;
  nzmax = 2 * m;
  Dij = realloc(*out_Dij, 2 * nzmax * sizeof(int));
  Dx = realloc(*out_Dx, nzmax * sizeof(double));
  nz = 0;
  for (j = 0; j < m; j++) {
    if ((((form) == 0) || ((form) == 1) || ((form) == 2))) {
      Dij[2 * nz] = j;
      Dij[2 * nz + 1] = j;
      Dx[nz] = 0.0;
      nz++;
      {
        if (nz == nzmax) {
          nzmax *= 2;
          Dij = realloc(Dij, 2 * nzmax * sizeof(int));
          Dx = realloc(Dx, nzmax * sizeof(double));
        }
      };
    }
    for (i = j + 1; i < m; i++) {
      x1 = X + i * n;
      x2 = X + j * n;
      d = sqeuclidean_distance(x1, x2, n);
      if (d <= threshold) {
        if ((((form) == 1) || ((form) == 3) || ((form) == 0))) {
          Dij[2 * nz] = i;
          Dij[2 * nz + 1] = j;
          Dx[nz] = d;
          nz++;
          {
            if (nz == nzmax) {
              nzmax *= 2;
              Dij = realloc(Dij, 2 * nzmax * sizeof(int));
              Dx = realloc(Dx, nzmax * sizeof(double));
            }
          };
        }
        if ((((form) == 2) || ((form) == 4) || ((form) == 0))) {
          Dij[2 * nz] = j;
          Dij[2 * nz + 1] = i;
          Dx[nz] = d;
          nz++;
          {
            if (nz == nzmax) {
              nzmax *= 2;
              Dij = realloc(Dij, 2 * nzmax * sizeof(int));
              Dx = realloc(Dx, nzmax * sizeof(double));
            }
          };
        }
      }
    }
  }
  nzmax = nz;
  Dij = realloc(Dij, 2 * nzmax * sizeof(int));
  Dx = realloc(Dx, nzmax * sizeof(double));
  *out_Dij = Dij;
  *out_Dx = Dx;
  *out_nzmax = nzmax;
  return;
}
```