user: Demonstrate the C code that generates the assembly output below:

```asm
<conv_vko>:
  endbr64
  push   %r15
  mov    %ecx,%r15d
  mov    %rsi,%r10
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %r9d,%ebx
  sub    $0x20,%rsp
  mov    0x60(%rsp),%r14d
  mov    0x68(%rsp),%r12d
  mov    %rdi,-0x58(%rsp)
  mov    0x58(%rsp),%r11d
  mov    0x70(%rsp),%r13d
  mov    %rdx,-0x40(%rsp)
  lea    (%r8,%r14,2),%edi
  mov    %ecx,0x14(%rsp)
  mov    %r8d,%ecx
  lea    (%r9,%r12,2),%r8d
  mov    %edi,%eax
  mov    %r9d,-0x50(%rsp)
  imul   %ebx,%ecx
  sub    0x78(%rsp),%eax
  cltd
  idivl  0x88(%rsp)
  imul   %r11d,%ecx
  lea    0x1(%rax),%esi
  mov    %eax,0x10(%rsp)
  mov    %r8d,%eax
  sub    0x80(%rsp),%eax
  cltd
  idivl  0x90(%rsp)
  mov    0x78(%rsp),%edx
  imul   0x80(%rsp),%edx
  imul   %r11d,%edx
  mov    %edx,-0x68(%rsp)
  mov    %edx,%r9d
  mov    0x80(%rsp),%edx
  imul   %r11d,%edx
  mov    %edx,-0x64(%rsp)
  mov    %esi,%edx
  mov    %eax,-0x2c(%rsp)
  add    $0x1,%eax
  imul   %eax,%edx
  imul   %r13d,%edx
  test   %r15d,%r15d
  jle    L155
  movslq %edx,%rdx
  movslq %ecx,%rcx
  lea    0x0(,%rdx,8),%rbx
  mov    %rbx,(%rsp)
  lea    0x0(,%rcx,8),%rbx
  mov    %rbx,0x8(%rsp)
  test   %esi,%esi
  jle    L155
  test   %eax,%eax
  jle    L155
  test   %r9d,%r9d
  jle    L155
  imul   %r13d,%eax
  lea    -0x1(%r13),%edx
  sub    %r12d,%r8d
  sub    %r14d,%edi
  movl   $0x0,-0x18(%rsp)
  mov    %r13d,%ebp
  mov    %r11d,%r12d
  mov    0x68(%rsp),%r11d
  mov    %edi,-0x60(%rsp)
  and    $0xfffffffe,%ebp
  mov    %eax,-0x14(%rsp)
  cltq
  shl    $0x3,%rax
  mov    %r8d,-0x5c(%rsp)
  mov    %rax,-0x10(%rsp)
  movslq %r13d,%rax
  shl    $0x3,%rax
  mov    %rax,-0x38(%rsp)
  mov    %r13d,%eax
  shr    %eax
  sub    $0x1,%eax
  add    $0x1,%rax
  shl    $0x4,%rax
  mov    %rax,%rbx
  lea    0x8(,%rdx,8),%rax
  mov    %rax,-0x8(%rsp)
  mov    %rbx,%r13
  mov    0x70(%rsp),%ebx
L164:
  mov    -0x40(%rsp),%rax
  movl   $0x0,-0x20(%rsp)
  movl   $0x0,-0x6c(%rsp)
  mov    %rax,-0x28(%rsp)
  movl   $0x0,-0x1c(%rsp)
L63:
  mov    -0x8(%rsp),%rax
  mov    -0x28(%rsp),%rdi
  movl   $0x0,-0x70(%rsp)
  movl   $0x0,-0x30(%rsp)
  add    %rdi,%rax
  mov    %rax,-0x48(%rsp)
  mov    -0x20(%rsp),%eax
  mov    %eax,-0x4c(%rsp)
  nopl   (%rax)
L40:
  mov    -0x4c(%rsp),%eax
  mov    -0x40(%rsp),%rsi
  xor    %r8d,%r8d
  add    %ebp,%eax
  cltq
  lea    (%rsi,%rax,8),%r9
  xor    %esi,%esi
  cs nopw 0x0(%rax,%rax,1)
L111:
  mov    %esi,%eax
  cltd
  idivl  -0x64(%rsp)
  cltd
  idivl  0x78(%rsp)
  mov    -0x6c(%rsp),%eax
  lea    (%rdx,%rax,1),%ecx
  mov    %esi,%eax
  cltd
  idiv   %r12d
  mov    %edx,-0x74(%rsp)
  cltd
  idivl  0x80(%rsp)
  add    -0x70(%rsp),%edx
  cmp    %ecx,%r14d
  setg   %r15b
  cmp    %edx,%r11d
  setg   %al
  or     %r15d,%eax
  cmp    -0x60(%rsp),%ecx
  setge  %r15b
  or     %al,%r15b
  jne    L19
  cmp    -0x5c(%rsp),%edx
  jge    L19
  mov    %ecx,%eax
  sub    %r11d,%edx
  mov    -0x58(%rsp),%rcx
  sub    %r14d,%eax
  imul   -0x50(%rsp),%eax
  add    %edx,%eax
  imul   %r12d,%eax
  add    -0x74(%rsp),%eax
  cltq
  movsd  (%rcx,%rax,8),%xmm1
  test   %ebx,%ebx
  jle    L19
  movslq %r8d,%rax
  lea    0x8(,%rax,8),%rax
  lea    (%r10,%rax,1),%rdx
  cmp    %rdx,%rdi
  lea    -0x8(%r10,%rax,1),%rdx
  je     L31
  cmp    $0x1,%ebx
  je     L31
  movapd %xmm1,%xmm2
  xor    %eax,%eax
  unpcklpd %xmm2,%xmm2
  nopl   0x0(%rax,%rax,1)
L168:
  movupd (%rdx,%rax,1),%xmm0
  movupd (%rdi,%rax,1),%xmm3
  mulpd  %xmm2,%xmm0
  addpd  %xmm3,%xmm0
  movups %xmm0,(%rdi,%rax,1)
  add    $0x10,%rax
  cmp    %rax,%r13
  jne    L168
  cmp    %ebx,%ebp
  je     L19
  lea    (%r8,%rbp,1),%eax
  movsd  (%r9),%xmm0
  cltq
  mulsd  (%r10,%rax,8),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,(%r9)
L19:
  add    $0x1,%esi
  add    %ebx,%r8d
  cmp    %esi,-0x68(%rsp)
  jne    L111
  mov    0x90(%rsp),%edx
  mov    -0x30(%rsp),%esi
  add    %edx,-0x70(%rsp)
  mov    -0x38(%rsp),%rdx
  add    %ebx,-0x4c(%rsp)
  lea    0x1(%rsi),%eax
  add    %rdx,-0x48(%rsp)
  add    %rdx,%rdi
  cmp    %esi,-0x2c(%rsp)
  je     L130
  mov    %eax,-0x30(%rsp)
  jmp    L40
  nop
L31:
  mov    -0x48(%rsp),%rcx
  mov    %rdi,%rax
  nopl   0x0(%rax,%rax,1)
L134:
  movsd  (%rdx),%xmm0
  add    $0x8,%rax
  add    $0x8,%rdx
  mulsd  %xmm1,%xmm0
  addsd  -0x8(%rax),%xmm0
  movsd  %xmm0,-0x8(%rax)
  cmp    %rcx,%rax
  jne    L134
  jmp    L19
L130:
  mov    -0x1c(%rsp),%edi
  mov    0x88(%rsp),%ecx
  add    %ecx,-0x6c(%rsp)
  mov    -0x10(%rsp),%rcx
  lea    0x1(%rdi),%eax
  add    %rcx,-0x28(%rsp)
  mov    -0x14(%rsp),%ecx
  add    %ecx,-0x20(%rsp)
  cmp    %edi,0x10(%rsp)
  je     L67
  mov    %eax,-0x1c(%rsp)
  jmp    L63
L67:
  mov    (%rsp),%rdi
  addl   $0x1,-0x18(%rsp)
  add    %rdi,-0x40(%rsp)
  mov    -0x18(%rsp),%eax
  mov    0x8(%rsp),%rdi
  add    %rdi,-0x58(%rsp)
  cmp    %eax,0x14(%rsp)
  jne    L164
L155:
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void conv_vko(double *v, double *k, double *o, int n, int h, int w, int f, int ph, int pw, int out_f, int kh, int kw, int sh, int sw) {
  int out_h = (h + 2 * ph - kh) / sh + 1;
  int out_w = (w + 2 * pw - kw) / sw + 1;
  int colcol = kh * kw * f;
  int fkw = f * kw;
  int o_size = out_h * out_w * out_f;
  int v_size = h * w * f;
  double *o_ptr = o;
  double *v_ptr = v;
  int n_idx, ho, wo, fo, kcoli;
  int v_hi, v_wi, fi, v_idx, off_o, off_k, sho, swo;
  for (n_idx = 0; n_idx < n; ++n_idx) {
    for (ho = 0; ho < out_h; ++ho) {
      for (wo = 0; wo < out_w; ++wo) {
        off_o = out_f * (wo + out_w * ho);
        sho = ho * sh;
        swo = wo * sw;
        for (kcoli = 0; kcoli < colcol; ++kcoli) {
          v_hi = sho + kcoli / fkw % kh;
          v_wi = swo + kcoli / f % kw;
          if ((v_hi < ph) | (v_wi < pw) | (v_hi >= h + ph) | (v_wi >= w + pw)) {
            continue;
          }
          fi = kcoli % f;
          v_idx = fi + f * (v_wi - pw + w * (v_hi - ph));
          register double part = v_ptr[v_idx];
          for (fo = 0; fo < out_f; ++fo) {
            o_ptr[fo + off_o] += part * k[kcoli * out_f + fo];
          }
        }
      }
    }
    o_ptr += o_size;
    v_ptr += v_size;
  }
}
```