user: What would the C source look like for the assembly code provided here?

```asm
<decode_8_half>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x70,%rsp
  mov    %rdi,-0x48(%rbp)
  mov    %rsi,-0x50(%rbp)
  mov    %edx,-0x54(%rbp)
  mov    %rcx,-0x60(%rbp)
  mov    %r8,-0x68(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movq   $0x0,-0x30(%rbp)
  movw   $0x0,-0x3e(%rbp)
  mov    -0x50(%rbp),%rax
  mov    $0x10,%edx
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <memset@plt>
  mov    -0x60(%rbp),%rax
  add    $0x10,%rax
  mov    %rax,-0x28(%rbp)
  mov    -0x48(%rbp),%rax
  movzbl (%rax),%eax
  shr    $0x6,%al
  movzbl %al,%eax
  and    $0x3,%eax
  mov    %eax,%edx
  mov    -0x54(%rbp),%eax
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  mov    %ax,-0x20(%rbp)
  movzwl -0x20(%rbp),%eax
  cwtl
  mov    -0x54(%rbp),%edx
  add    $0x2,%edx
  mov    %eax,%esi
  mov    %edx,%edi
  call   <sfx_sign_extend@plt>
  mov    %ax,-0x20(%rbp)
  mov    -0x48(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  sar    $0x4,%eax
  and    $0x3,%eax
  mov    %eax,%edx
  mov    -0x54(%rbp),%eax
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  mov    %ax,-0x1e(%rbp)
  movzwl -0x1e(%rbp),%eax
  cwtl
  mov    -0x54(%rbp),%edx
  add    $0x2,%edx
  mov    %eax,%esi
  mov    %edx,%edi
  call   <sfx_sign_extend@plt>
  mov    %ax,-0x1e(%rbp)
  mov    -0x48(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  sar    $0x2,%eax
  and    $0x3,%eax
  mov    %eax,%edx
  mov    -0x54(%rbp),%eax
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  mov    %ax,-0x1c(%rbp)
  movzwl -0x1c(%rbp),%eax
  cwtl
  mov    -0x54(%rbp),%edx
  add    $0x2,%edx
  mov    %eax,%esi
  mov    %edx,%edi
  call   <sfx_sign_extend@plt>
  mov    %ax,-0x1c(%rbp)
  mov    -0x48(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x48(%rbp)
  movzbl (%rax),%eax
  movzbl %al,%eax
  and    $0x3,%eax
  mov    %eax,%edx
  mov    -0x54(%rbp),%eax
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  mov    %ax,-0x1a(%rbp)
  movzwl -0x1a(%rbp),%eax
  cwtl
  mov    -0x54(%rbp),%edx
  add    $0x2,%edx
  mov    %eax,%esi
  mov    %edx,%edi
  call   <sfx_sign_extend@plt>
  mov    %ax,-0x1a(%rbp)
  mov    -0x48(%rbp),%rax
  movzbl (%rax),%eax
  shr    $0x6,%al
  movzbl %al,%eax
  and    $0x3,%eax
  mov    %eax,%edx
  mov    -0x54(%rbp),%eax
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  mov    %ax,-0x18(%rbp)
  movzwl -0x18(%rbp),%eax
  cwtl
  mov    -0x54(%rbp),%edx
  add    $0x2,%edx
  mov    %eax,%esi
  mov    %edx,%edi
  call   <sfx_sign_extend@plt>
  mov    %ax,-0x18(%rbp)
  mov    -0x48(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  sar    $0x4,%eax
  and    $0x3,%eax
  mov    %eax,%edx
  mov    -0x54(%rbp),%eax
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  mov    %ax,-0x16(%rbp)
  movzwl -0x16(%rbp),%eax
  cwtl
  mov    -0x54(%rbp),%edx
  add    $0x2,%edx
  mov    %eax,%esi
  mov    %edx,%edi
  call   <sfx_sign_extend@plt>
  mov    %ax,-0x16(%rbp)
  mov    -0x48(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  sar    $0x2,%eax
  and    $0x3,%eax
  mov    %eax,%edx
  mov    -0x54(%rbp),%eax
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  mov    %ax,-0x14(%rbp)
  movzwl -0x14(%rbp),%eax
  cwtl
  mov    -0x54(%rbp),%edx
  add    $0x2,%edx
  mov    %eax,%esi
  mov    %edx,%edi
  call   <sfx_sign_extend@plt>
  mov    %ax,-0x14(%rbp)
  mov    -0x48(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x48(%rbp)
  movzbl (%rax),%eax
  movzbl %al,%eax
  and    $0x3,%eax
  mov    %eax,%edx
  mov    -0x54(%rbp),%eax
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  mov    %ax,-0x12(%rbp)
  movzwl -0x12(%rbp),%eax
  cwtl
  mov    -0x54(%rbp),%edx
  add    $0x2,%edx
  mov    %eax,%esi
  mov    %edx,%edi
  call   <sfx_sign_extend@plt>
  mov    %ax,-0x12(%rbp)
  movl   $0x0,-0x3c(%rbp)
  jmp    L38
L13:
  mov    -0x3c(%rbp),%eax
  cltq
  lea    (%rax,%rax,1),%rdx
  mov    -0x60(%rbp),%rax
  add    %rdx,%rax
  movzwl (%rax),%eax
  movswl %ax,%edx
  mov    -0x68(%rbp),%rax
  add    $0xc,%rax
  movzwl (%rax),%eax
  cwtl
  imul   %edx,%eax
  cltq
  mov    %rax,-0x30(%rbp)
  mov    -0x3c(%rbp),%eax
  cltq
  lea    (%rax,%rax,1),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzwl (%rax),%eax
  movswl %ax,%edx
  mov    -0x68(%rbp),%rax
  add    $0xe,%rax
  movzwl (%rax),%eax
  cwtl
  imul   %edx,%eax
  cltq
  add    %rax,-0x30(%rbp)
  cmpl   $0x0,-0x3c(%rbp)
  jle    L56
  mov    -0x3c(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,-0x38(%rbp)
  jmp    L89
L91:
  mov    -0x3c(%rbp),%eax
  sub    $0x1,%eax
  sub    -0x38(%rbp),%eax
  cltq
  movzwl -0x20(%rbp,%rax,2),%eax
  movswl %ax,%edx
  mov    -0x38(%rbp),%eax
  cltq
  lea    (%rax,%rax,1),%rcx
  mov    -0x28(%rbp),%rax
  add    %rcx,%rax
  movzwl (%rax),%eax
  cwtl
  imul   %edx,%eax
  cltq
  add    %rax,-0x30(%rbp)
  subl   $0x1,-0x38(%rbp)
L89:
  cmpl   $0x0,-0x38(%rbp)
  jns    L91
L56:
  mov    -0x3c(%rbp),%eax
  cltq
  movzwl -0x20(%rbp,%rax,2),%eax
  cwtl
  shl    $0xb,%eax
  movslq %eax,%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  sar    $0xb,%rax
  pxor   %xmm0,%xmm0
  cvtsi2ss %rax,%xmm0
  movss  %xmm0,-0x34(%rbp)
  movss  -0x34(%rbp),%xmm0
  comiss D6(%rip),%xmm0
  jbe    L28
  movw   $0x7fff,-0x3e(%rbp)
  jmp    L10
L28:
  movss  D2(%rip),%xmm0
  comiss -0x34(%rbp),%xmm0
  jbe    L27
  movw   $0x8000,-0x3e(%rbp)
  jmp    L10
L27:
  movss  -0x34(%rbp),%xmm0
  cvttss2si %xmm0,%eax
  mov    %ax,-0x3e(%rbp)
L10:
  mov    -0x3c(%rbp),%eax
  cltq
  lea    (%rax,%rax,1),%rdx
  mov    -0x50(%rbp),%rax
  add    %rax,%rdx
  movzwl -0x3e(%rbp),%eax
  mov    %ax,(%rdx)
  addl   $0x1,-0x3c(%rbp)
L38:
  cmpl   $0x7,-0x3c(%rbp)
  jle    L13
  mov    -0x50(%rbp),%rcx
  mov    -0x68(%rbp),%rax
  mov    $0x10,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L44
  call   <__stack_chk_fail@plt>
L44:
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D6
type: byte[4]
name: retrieve_data
arguments: tag: D2
type: byte[4]

tool: {"D6": [0x00,0xfe,0xff,0x46]}

tool: {"D2": [0x00,0x00,0x00,0xc7]}

assistant: ```c
void decode_8_half(unsigned char *in, signed short *out, int index, signed short *pred1, signed short lastsmp[8]) {
  int i;
  signed short tmp[8];
  signed long total = 0;
  signed short sample = 0;
  memset(out, 0, sizeof(signed short) * 8);
  signed short *pred2 = (pred1 + 8);
  tmp[0] = (((((*in) & 0xC0) >> 6) & 0x3)) << (index);
  tmp[0] = sfx_sign_extend(index + 2, tmp[0]);
  tmp[1] = (((((*in) & 0x30) >> 4) & 0x3)) << (index);
  tmp[1] = sfx_sign_extend(index + 2, tmp[1]);
  tmp[2] = (((((*in) & 0x0C) >> 2) & 0x3)) << (index);
  tmp[2] = sfx_sign_extend(index + 2, tmp[2]);
  tmp[3] = ((((*in++) & 0x03) & 0x3)) << (index);
  tmp[3] = sfx_sign_extend(index + 2, tmp[3]);
  tmp[4] = (((((*in) & 0xC0) >> 6) & 0x3)) << (index);
  tmp[4] = sfx_sign_extend(index + 2, tmp[4]);
  tmp[5] = (((((*in) & 0x30) >> 4) & 0x3)) << (index);
  tmp[5] = sfx_sign_extend(index + 2, tmp[5]);
  tmp[6] = (((((*in) & 0x0C) >> 2) & 0x3)) << (index);
  tmp[6] = sfx_sign_extend(index + 2, tmp[6]);
  tmp[7] = ((((*in++) & 0x03) & 0x3)) << (index);
  tmp[7] = sfx_sign_extend(index + 2, tmp[7]);
  for (i = 0; i < 8; i++) {
    total = (pred1[i] * lastsmp[6]);
    total += (pred2[i] * lastsmp[7]);
    if (i > 0) {
      for (int x = i - 1; x > -1; x--) {
        total += (tmp[((i - 1) - x)] * pred2[x]);
      }
    }
    float result = ((tmp[i] << 0xb) + total) >> 0xb;
    if (result > 32767)
      sample = 32767;
    else if (result < -32768)
      sample = -32768;
    else
      sample = (signed short)result;
    out[i] = sample;
  }
  memcpy(lastsmp, out, sizeof(signed short) * 8);
}
```