user: Converte this assembly snippet into its equivalent C code:

```asm
<OUT__1__6755__>:
  endbr64
  push   %r15
  mov    %rdi,%rax
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    0x88(%rax),%rbx
  mov    0x60(%rax),%rsi
  mov    0x20(%rax),%r15
  mov    0x98(%rax),%rcx
  mov    0x90(%rax),%rdx
  mov    0x70(%rax),%r8
  mov    0x58(%rax),%r12
  mov    %rbx,-0x40(%rsp)
  mov    0x80(%rax),%rbx
  mov    0x40(%rax),%rbp
  mov    %rsi,-0x28(%rsp)
  mov    0xa0(%rdi),%rdi
  mov    %rbx,-0x38(%rsp)
  mov    0x78(%rax),%rbx
  mov    %rbx,-0x30(%rsp)
  mov    0x68(%rax),%rbx
  mov    %rbx,-0x60(%rsp)
  mov    0x50(%rax),%rbx
  mov    %rbx,-0x58(%rsp)
  mov    0x48(%rax),%rbx
  mov    %rbx,-0x20(%rsp)
  mov    0x38(%rax),%rbx
  mov    %rbx,-0x50(%rsp)
  mov    0x30(%rax),%rbx
  mov    %rbx,-0x18(%rsp)
  mov    0x28(%rax),%rbx
  mov    %r15,-0x48(%rsp)
  mov    0x18(%rax),%r15
  mov    0x10(%rax),%r11
  mov    %r15,-0x10(%rsp)
  mov    0x8(%rax),%r15
  mov    (%rax),%rax
  movl   $0x0,(%rsi)
  mov    %r15,-0x68(%rsp)
  mov    %rax,-0x8(%rsp)
  mov    (%rax),%eax
  test   %eax,%eax
  jle    L6
  nopl   0x0(%rax)
L23:
  mov    -0x60(%rsp),%rax
  movl   $0x0,(%rax)
  mov    -0x68(%rsp),%rax
  mov    (%rax),%esi
  test   %esi,%esi
  jle    L17
  nopw   0x0(%rax,%rax,1)
L40:
  movl   $0x0,(%r8)
  mov    (%r11),%esi
  test   %esi,%esi
  jle    L41
  mov    -0x30(%rsp),%rax
  mov    (%rax),%r15
  mov    -0x40(%rsp),%rax
  mov    (%rax),%r14
  mov    -0x38(%rsp),%rax
  mov    (%rax),%r13
  xchg   %ax,%ax
L38:
  movslq (%rdi),%r9
  movslq (%rcx),%r10
  movslq (%rdx),%rax
  movsd  0x0(%r13,%r10,8),%xmm1
  mulsd  (%r14,%r9,8),%xmm1
  lea    (%r15,%rax,8),%rsi
  mov    %r9,%rax
  add    (%r12),%eax
  movsd  (%rsi),%xmm0
  subsd  %xmm1,%xmm0
  movsd  %xmm0,(%rsi)
  mov    %eax,(%rdi)
  mov    0x0(%rbp),%eax
  add    %eax,(%rcx)
  mov    (%rbx),%eax
  add    %eax,(%rdx)
  mov    (%r8),%eax
  add    $0x1,%eax
  mov    %eax,(%r8)
  mov    (%r11),%esi
  cmp    %esi,%eax
  jl     L38
L41:
  mov    -0x58(%rsp),%rax
  imul   (%r12),%esi
  mov    (%rax),%eax
  sub    %esi,%eax
  add    %eax,(%rdi)
  mov    -0x50(%rsp),%rax
  mov    (%r11),%esi
  imul   0x0(%rbp),%esi
  mov    (%rax),%eax
  sub    %esi,%eax
  add    %eax,(%rcx)
  mov    -0x48(%rsp),%rax
  mov    (%r11),%esi
  imul   (%rbx),%esi
  mov    (%rax),%eax
  sub    %esi,%eax
  mov    -0x60(%rsp),%rsi
  add    %eax,(%rdx)
  mov    (%rsi),%eax
  mov    %eax,-0x6c(%rsp)
  add    $0x1,%eax
  mov    %eax,(%rsi)
  mov    -0x68(%rsp),%rsi
  mov    (%rsi),%esi
  cmp    %esi,%eax
  jl     L40
L17:
  mov    -0x58(%rsp),%rax
  mov    -0x68(%rsp),%r14
  imul   (%rax),%esi
  mov    -0x20(%rsp),%rax
  mov    (%rax),%eax
  sub    %esi,%eax
  add    %eax,(%rdi)
  mov    -0x50(%rsp),%rax
  mov    (%r14),%esi
  imul   (%rax),%esi
  mov    -0x18(%rsp),%rax
  mov    (%rax),%eax
  sub    %esi,%eax
  add    %eax,(%rcx)
  mov    -0x48(%rsp),%rax
  mov    (%r14),%esi
  imul   (%rax),%esi
  mov    -0x10(%rsp),%rax
  mov    (%rax),%eax
  sub    %esi,%eax
  mov    -0x28(%rsp),%rsi
  add    %eax,(%rdx)
  mov    (%rsi),%eax
  mov    %eax,-0x6c(%rsp)
  add    $0x1,%eax
  mov    %eax,(%rsi)
  mov    -0x8(%rsp),%rsi
  cmp    (%rsi),%eax
  jl     L23
L6:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void OUT__1__6755__(void **__out_argv) {
  int *Ai = (int *)(__out_argv[20]);
  int *xi = (int *)(__out_argv[19]);
  int *ri = (int *)(__out_argv[18]);
  double **Ap = (double **)(__out_argv[17]);
  double **xp = (double **)(__out_argv[16]);
  double **rp = (double **)(__out_argv[15]);
  int *loopi = (int *)(__out_argv[14]);
  int *loopj = (int *)(__out_argv[13]);
  int *loopk = (int *)(__out_argv[12]);
  int *hypre__sx1 = (int *)(__out_argv[11]);
  int *hypre__sy1 = (int *)(__out_argv[10]);
  int *hypre__sz1 = (int *)(__out_argv[9]);
  int *hypre__sx2 = (int *)(__out_argv[8]);
  int *hypre__sy2 = (int *)(__out_argv[7]);
  int *hypre__sz2 = (int *)(__out_argv[6]);
  int *hypre__sx3 = (int *)(__out_argv[5]);
  int *hypre__sy3 = (int *)(__out_argv[4]);
  int *hypre__sz3 = (int *)(__out_argv[3]);
  int *hypre__nx = (int *)(__out_argv[2]);
  int *hypre__ny = (int *)(__out_argv[1]);
  int *hypre__nz = (int *)(__out_argv[0]);
  for (*loopk = 0; *loopk < *hypre__nz; (*loopk)++) {
    for (*loopj = 0; *loopj < *hypre__ny; (*loopj)++) {
      for (*loopi = 0; *loopi < *hypre__nx; (*loopi)++) {
        { (*rp)[*ri] -= (((*Ap)[*Ai]) * ((*xp)[*xi])); }
        *Ai += *hypre__sx1;
        *xi += *hypre__sx2;
        *ri += *hypre__sx3;
      }
      *Ai += (*hypre__sy1 - (*hypre__nx * *hypre__sx1));
      *xi += (*hypre__sy2 - (*hypre__nx * *hypre__sx2));
      *ri += (*hypre__sy3 - (*hypre__nx * *hypre__sx3));
    }
    *Ai += (*hypre__sz1 - (*hypre__ny * *hypre__sy1));
    *xi += (*hypre__sz2 - (*hypre__ny * *hypre__sy2));
    *ri += (*hypre__sz3 - (*hypre__ny * *hypre__sy3));
  }
}
```