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

```asm
<foo>:
  endbr64
  test   %edi,%edi
  jle    L30
  lea    0x1(%rdx),%r8
  mov    %rsi,%rax
  sub    %r8,%rax
  cmp    $0xe,%rax
  lea    -0x1(%rdi),%eax
  seta   %r8b
  cmp    $0xe,%eax
  seta   %al
  test   %al,%r8b
  je     L98
  lea    0x1(%rcx),%r8
  mov    %rsi,%rax
  sub    %r8,%rax
  cmp    $0xe,%rax
  jbe    L98
  mov    %edi,%r8d
  movdqa D4(%rip),%xmm5
  xor    %eax,%eax
  pxor   %xmm3,%xmm3
  shr    $0x4,%r8d
  movdqa D8(%rip),%xmm4
  shl    $0x4,%r8
  nopl   (%rax)
L68:
  movdqu (%rdx,%rax,1),%xmm2
  movdqu (%rcx,%rax,1),%xmm0
  movdqa %xmm3,%xmm7
  movdqa %xmm3,%xmm6
  pcmpgtb %xmm2,%xmm7
  pcmpgtb %xmm0,%xmm6
  movdqa %xmm2,%xmm8
  movdqa %xmm0,%xmm1
  punpcklbw %xmm7,%xmm8
  punpcklbw %xmm6,%xmm1
  punpckhbw %xmm7,%xmm2
  punpckhbw %xmm6,%xmm0
  paddw  %xmm8,%xmm1
  paddw  %xmm2,%xmm0
  paddw  %xmm5,%xmm1
  paddw  %xmm5,%xmm0
  psraw  $0x1,%xmm1
  psraw  $0x1,%xmm0
  pand   %xmm4,%xmm1
  pand   %xmm4,%xmm0
  packuswb %xmm0,%xmm1
  movups %xmm1,(%rsi,%rax,1)
  add    $0x10,%rax
  cmp    %r8,%rax
  jne    L68
  mov    %edi,%eax
  and    $0xfffffff0,%eax
  test   $0xf,%dil
  je     L30
  mov    %eax,%r8d
  movsbl (%rdx,%r8,1),%r10d
  movsbl (%rcx,%r8,1),%r9d
  lea    0x1(%r10,%r9,1),%r9d
  sar    %r9d
  mov    %r9b,(%rsi,%r8,1)
  lea    0x1(%rax),%r8d
  cmp    %r8d,%edi
  jle    L30
  movslq %r8d,%r8
  movsbl (%rdx,%r8,1),%r10d
  movsbl (%rcx,%r8,1),%r9d
  lea    0x1(%r10,%r9,1),%r9d
  sar    %r9d
  mov    %r9b,(%rsi,%r8,1)
  lea    0x2(%rax),%r8d
  cmp    %r8d,%edi
  jle    L30
  movslq %r8d,%r8
  movsbl (%rcx,%r8,1),%r10d
  movsbl (%rdx,%r8,1),%r9d
  lea    0x1(%r10,%r9,1),%r9d
  sar    %r9d
  mov    %r9b,(%rsi,%r8,1)
  lea    0x3(%rax),%r8d
  cmp    %r8d,%edi
  jle    L30
  movslq %r8d,%r8
  movsbl (%rdx,%r8,1),%r10d
  movsbl (%rcx,%r8,1),%r9d
  lea    0x1(%r10,%r9,1),%r9d
  sar    %r9d
  mov    %r9b,(%rsi,%r8,1)
  lea    0x4(%rax),%r8d
  cmp    %r8d,%edi
  jle    L30
  movslq %r8d,%r8
  movsbl (%rdx,%r8,1),%r10d
  movsbl (%rcx,%r8,1),%r9d
  lea    0x1(%r10,%r9,1),%r9d
  sar    %r9d
  mov    %r9b,(%rsi,%r8,1)
  lea    0x5(%rax),%r8d
  cmp    %r8d,%edi
  jle    L30
  movslq %r8d,%r8
  movsbl (%rdx,%r8,1),%r10d
  movsbl (%rcx,%r8,1),%r9d
  lea    0x1(%r10,%r9,1),%r9d
  sar    %r9d
  mov    %r9b,(%rsi,%r8,1)
  lea    0x6(%rax),%r8d
  cmp    %r8d,%edi
  jle    L30
  movslq %r8d,%r8
  movsbl (%rdx,%r8,1),%r10d
  movsbl (%rcx,%r8,1),%r9d
  lea    0x1(%r10,%r9,1),%r9d
  sar    %r9d
  mov    %r9b,(%rsi,%r8,1)
  lea    0x7(%rax),%r8d
  cmp    %r8d,%edi
  jle    L30
  movslq %r8d,%r8
  movsbl (%rdx,%r8,1),%r10d
  movsbl (%rcx,%r8,1),%r9d
  lea    0x1(%r10,%r9,1),%r9d
  sar    %r9d
  mov    %r9b,(%rsi,%r8,1)
  lea    0x8(%rax),%r8d
  cmp    %r8d,%edi
  jle    L30
  movslq %r8d,%r8
  movsbl (%rdx,%r8,1),%r10d
  movsbl (%rcx,%r8,1),%r9d
  lea    0x1(%r10,%r9,1),%r9d
  sar    %r9d
  mov    %r9b,(%rsi,%r8,1)
  lea    0x9(%rax),%r8d
  cmp    %r8d,%edi
  jle    L30
  movslq %r8d,%r8
  movsbl (%rdx,%r8,1),%r10d
  movsbl (%rcx,%r8,1),%r9d
  lea    0x1(%r10,%r9,1),%r9d
  sar    %r9d
  mov    %r9b,(%rsi,%r8,1)
  lea    0xa(%rax),%r8d
  cmp    %r8d,%edi
  jle    L30
  movslq %r8d,%r8
  movsbl (%rdx,%r8,1),%r10d
  movsbl (%rcx,%r8,1),%r9d
  lea    0x1(%r10,%r9,1),%r9d
  sar    %r9d
  mov    %r9b,(%rsi,%r8,1)
  lea    0xb(%rax),%r8d
  cmp    %r8d,%edi
  jle    L30
  movslq %r8d,%r8
  movsbl (%rdx,%r8,1),%r10d
  movsbl (%rcx,%r8,1),%r9d
  lea    0x1(%r10,%r9,1),%r9d
  sar    %r9d
  mov    %r9b,(%rsi,%r8,1)
  lea    0xc(%rax),%r8d
  cmp    %r8d,%edi
  jle    L30
  movslq %r8d,%r8
  movsbl (%rdx,%r8,1),%r10d
  movsbl (%rcx,%r8,1),%r9d
  lea    0x1(%r10,%r9,1),%r9d
  sar    %r9d
  mov    %r9b,(%rsi,%r8,1)
  lea    0xd(%rax),%r8d
  cmp    %r8d,%edi
  jle    L30
  movslq %r8d,%r8
  add    $0xe,%eax
  movsbl (%rdx,%r8,1),%r10d
  movsbl (%rcx,%r8,1),%r9d
  lea    0x1(%r10,%r9,1),%r9d
  sar    %r9d
  mov    %r9b,(%rsi,%r8,1)
  cmp    %eax,%edi
  jle    L30
  cltq
  movsbl (%rdx,%rax,1),%edi
  movsbl (%rcx,%rax,1),%edx
  lea    0x1(%rdi,%rdx,1),%edx
  sar    %edx
  mov    %dl,(%rsi,%rax,1)
  ret
  nopl   (%rax)
L98:
  mov    %edi,%edi
  xor    %eax,%eax
  nopl   0x0(%rax)
L35:
  movsbl (%rdx,%rax,1),%r9d
  movsbl (%rcx,%rax,1),%r8d
  lea    0x1(%r9,%r8,1),%r8d
  sar    %r8d
  mov    %r8b,(%rsi,%rax,1)
  add    $0x1,%rax
  cmp    %rax,%rdi
  jne    L35
L30:
  ret
```

tool_calls: name: retrieve_data
arguments: data_label: D4
type_guessed: byte[16]
name: retrieve_data
arguments: data_label: D8
type_guessed: byte[16]

tool: {"D4": [0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00]}

tool: {"D8": [0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00]}

assistant: ```c
void foo(int i_width, char *dst, char *src1, char *src2) {
  int x;
  for (x = 0; x < i_width; x++) {
    dst[x] = (src1[x] + src2[x] + 1) >> 1;
  }
}
```