user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<contr_nuc_attr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x90,%rsp
  mov    %edi,-0x24(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    %rcx,-0x40(%rbp)
  movsd  %xmm0,-0x48(%rbp)
  movsd  %xmm1,-0x50(%rbp)
  movsd  %xmm2,-0x58(%rbp)
  mov    %r8,-0x60(%rbp)
  mov    %r9,-0x68(%rbp)
  movsd  %xmm3,-0x70(%rbp)
  movsd  %xmm4,-0x78(%rbp)
  movsd  %xmm5,-0x80(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x8(%rbp)
  movl   $0x0,-0x14(%rbp)
  jmp    L9
L22:
  movl   $0x0,-0x10(%rbp)
  jmp    L40
L12:
  movl   $0x0,-0xc(%rbp)
  jmp    L2
L30:
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mov    -0x10(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x28(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm0,%xmm1
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    0x58(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  mulsd  %xmm0,%xmm1
  movsd  %xmm1,-0x88(%rbp)
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x60(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  add    $0x10,%rax
  movsd  (%rax),%xmm4
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x60(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  add    $0x8,%rax
  movsd  (%rax),%xmm3
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x60(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  movsd  (%rax),%xmm2
  mov    -0x10(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x20(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mov    -0x10(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    0x48(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%r9d
  mov    -0x10(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    0x40(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%r8d
  mov    -0x10(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%ecx
  mov    -0x10(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x30(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm11
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    0x10(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rsi
  mov    -0x68(%rbp),%rax
  add    %rsi,%rax
  mov    (%rax),%esi
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdi
  mov    -0x60(%rbp),%rax
  add    %rdi,%rax
  mov    (%rax),%edi
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%r10
  mov    -0x40(%rbp),%rax
  add    %r10,%rax
  movsd  (%rax),%xmm10
  movsd  -0x80(%rbp),%xmm7
  movsd  -0x78(%rbp),%xmm6
  movsd  -0x70(%rbp),%xmm5
  movsd  -0x58(%rbp),%xmm9
  movsd  -0x50(%rbp),%xmm8
  mov    -0x48(%rbp),%rax
  sub    $0x8,%rsp
  lea    -0x8(%rsp),%rsp
  movsd  %xmm4,(%rsp)
  lea    -0x8(%rsp),%rsp
  movsd  %xmm3,(%rsp)
  lea    -0x8(%rsp),%rsp
  movsd  %xmm2,(%rsp)
  lea    -0x8(%rsp),%rsp
  movsd  %xmm1,(%rsp)
  lea    -0x8(%rsp),%rsp
  movsd  %xmm0,(%rsp)
  movapd %xmm11,%xmm4
  movapd %xmm10,%xmm3
  movapd %xmm9,%xmm2
  movapd %xmm8,%xmm1
  movq   %rax,%xmm0
  call   <nuclear_attraction@plt>
  add    $0x30,%rsp
  mulsd  -0x88(%rbp),%xmm0
  movsd  -0x8(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x8(%rbp)
  addl   $0x1,-0xc(%rbp)
L2:
  mov    -0xc(%rbp),%eax
  cmp    0x50(%rbp),%eax
  jl     L30
  addl   $0x1,-0x10(%rbp)
L40:
  mov    -0x10(%rbp),%eax
  cmp    0x18(%rbp),%eax
  jl     L12
  addl   $0x1,-0x14(%rbp)
L9:
  mov    -0x14(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jl     L22
  movsd  -0x8(%rbp),%xmm0
  movq   %xmm0,%rax
  movq   %rax,%xmm0
  leave
  ret
```

assistant: ```c
double contr_nuc_attr(int lena, double *aexps, double *acoefs, double *anorms, double xa, double ya, double za, int *la, int *ma, int *na, int lenb, double *bexps, double *bcoefs, double *bnorms, double xb, double yb, double zb, int *lb, int *mb, int *nb, int natoms, int *qn, double **xyzn) {
  double val = 0.0;
  int i, j, c;
  for (i = 0; i < lena; ++i) {
    for (j = 0; j < lenb; ++j) {
      for (c = 0; c < natoms; ++c) {
        val += acoefs[i] * bcoefs[j] * qn[c] * nuclear_attraction(xa, ya, za, anorms[i], la[i], ma[i], na[i], aexps[i], xb, yb, zb, bnorms[j], lb[j], mb[j], nb[j], bexps[j], xyzn[c][0], xyzn[c][1], xyzn[c][2]);
      }
    }
  }
  return val;
}
```