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

```asm
<PDJPG_TransIRDCT>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x240,%rsp
  mov    %rdi,-0x228(%rbp)
  mov    %rsi,-0x230(%rbp)
  mov    %edx,-0x234(%rbp)
  mov    %ecx,-0x238(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x210(%rbp),%rdx
  mov    -0x228(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <PDJPG_TransIRDCT_Vert@plt>
  lea    -0x210(%rbp),%rax
  add    $0x4,%rax
  mov    -0x228(%rbp),%rdx
  add    $0x2,%rdx
  mov    %rax,%rsi
  mov    %rdx,%rdi
  mov    $0x0,%eax
  call   <PDJPG_TransIRDCT_Vert@plt>
  lea    -0x210(%rbp),%rax
  add    $0x8,%rax
  mov    -0x228(%rbp),%rdx
  add    $0x4,%rdx
  mov    %rax,%rsi
  mov    %rdx,%rdi
  mov    $0x0,%eax
  call   <PDJPG_TransIRDCT_Vert@plt>
  lea    -0x210(%rbp),%rax
  add    $0xc,%rax
  mov    -0x228(%rbp),%rdx
  add    $0x6,%rdx
  mov    %rax,%rsi
  mov    %rdx,%rdi
  mov    $0x0,%eax
  call   <PDJPG_TransIRDCT_Vert@plt>
  lea    -0x210(%rbp),%rax
  add    $0x10,%rax
  mov    -0x228(%rbp),%rdx
  add    $0x8,%rdx
  mov    %rax,%rsi
  mov    %rdx,%rdi
  mov    $0x0,%eax
  call   <PDJPG_TransIRDCT_Vert@plt>
  lea    -0x210(%rbp),%rax
  add    $0x14,%rax
  mov    -0x228(%rbp),%rdx
  add    $0xa,%rdx
  mov    %rax,%rsi
  mov    %rdx,%rdi
  mov    $0x0,%eax
  call   <PDJPG_TransIRDCT_Vert@plt>
  lea    -0x210(%rbp),%rax
  add    $0x18,%rax
  mov    -0x228(%rbp),%rdx
  add    $0xc,%rdx
  mov    %rax,%rsi
  mov    %rdx,%rdi
  mov    $0x0,%eax
  call   <PDJPG_TransIRDCT_Vert@plt>
  lea    -0x210(%rbp),%rax
  add    $0x1c,%rax
  mov    -0x228(%rbp),%rdx
  add    $0xe,%rdx
  mov    %rax,%rsi
  mov    %rdx,%rdi
  mov    $0x0,%eax
  call   <PDJPG_TransIRDCT_Vert@plt>
  lea    -0x110(%rbp),%rdx
  lea    -0x210(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <PDJPG_TransIRDCT_Horiz@plt>
  lea    -0x110(%rbp),%rdx
  add    $0x20,%rdx
  lea    -0x210(%rbp),%rax
  add    $0x20,%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <PDJPG_TransIRDCT_Horiz@plt>
  lea    -0x110(%rbp),%rdx
  add    $0x40,%rdx
  lea    -0x210(%rbp),%rax
  add    $0x40,%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <PDJPG_TransIRDCT_Horiz@plt>
  lea    -0x110(%rbp),%rdx
  add    $0x60,%rdx
  lea    -0x210(%rbp),%rax
  add    $0x60,%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <PDJPG_TransIRDCT_Horiz@plt>
  lea    -0x110(%rbp),%rdx
  sub    $0xffffffffffffff80,%rdx
  lea    -0x210(%rbp),%rax
  sub    $0xffffffffffffff80,%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <PDJPG_TransIRDCT_Horiz@plt>
  lea    -0x110(%rbp),%rdx
  add    $0xa0,%rdx
  lea    -0x210(%rbp),%rax
  add    $0xa0,%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <PDJPG_TransIRDCT_Horiz@plt>
  lea    -0x110(%rbp),%rdx
  add    $0xc0,%rdx
  lea    -0x210(%rbp),%rax
  add    $0xc0,%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <PDJPG_TransIRDCT_Horiz@plt>
  lea    -0x110(%rbp),%rdx
  add    $0xe0,%rdx
  lea    -0x210(%rbp),%rax
  add    $0xe0,%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <PDJPG_TransIRDCT_Horiz@plt>
  movl   $0x0,-0x218(%rbp)
  jmp    L13
L11:
  mov    -0x218(%rbp),%eax
  cltq
  mov    -0x110(%rbp,%rax,4),%edx
  mov    -0x234(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x214(%rbp)
  mov    -0x218(%rbp),%eax
  cltq
  lea    (%rax,%rax,1),%rdx
  mov    -0x230(%rbp),%rax
  add    %rdx,%rax
  mov    -0x214(%rbp),%edx
  mov    %dx,(%rax)
  addl   $0x1,-0x218(%rbp)
L13:
  cmpl   $0x3f,-0x218(%rbp)
  jle    L11
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L19
  call   <__stack_chk_fail@plt>
L19:
  leave
  ret
```

assistant: ```c
void PDJPG_TransIRDCT(short *iblk, short *oblk, int dcbias, int rtm) {
  int s[64];
  int t[64];
  int i, j;
  PDJPG_TransIRDCT_Vert(iblk + 0, s + 0);
  PDJPG_TransIRDCT_Vert(iblk + 1, s + 1);
  PDJPG_TransIRDCT_Vert(iblk + 2, s + 2);
  PDJPG_TransIRDCT_Vert(iblk + 3, s + 3);
  PDJPG_TransIRDCT_Vert(iblk + 4, s + 4);
  PDJPG_TransIRDCT_Vert(iblk + 5, s + 5);
  PDJPG_TransIRDCT_Vert(iblk + 6, s + 6);
  PDJPG_TransIRDCT_Vert(iblk + 7, s + 7);
  PDJPG_TransIRDCT_Horiz(s + 0, t + 0);
  PDJPG_TransIRDCT_Horiz(s + 8, t + 8);
  PDJPG_TransIRDCT_Horiz(s + 16, t + 16);
  PDJPG_TransIRDCT_Horiz(s + 24, t + 24);
  PDJPG_TransIRDCT_Horiz(s + 32, t + 32);
  PDJPG_TransIRDCT_Horiz(s + 40, t + 40);
  PDJPG_TransIRDCT_Horiz(s + 48, t + 48);
  PDJPG_TransIRDCT_Horiz(s + 56, t + 56);
  for (i = 0; i < 64; i++) {
    j = (t[i]) + dcbias;
    oblk[i] = j;
  }
}
```