user: What is the c source code of the assembly code below?

```asm
<unpackforblock15_64>:
  endbr64
  push   %r14
  mov    %edi,%r10d
  movd   %edi,%xmm4
  push   %r13
  mov    %rsi,%r13
  pshufd $0x0,%xmm4,%xmm1
  push   %r12
  push   %rbp
  push   %rbx
  mov    (%rsi),%r12
  mov    %rdx,%rbx
  mov    (%rdx),%rsi
  mov    (%r12),%ebp
  mov    0xc(%r12),%edi
  add    $0xf0,%r12
  mov    -0xec(%r12),%edx
  mov    -0xe8(%r12),%eax
  mov    %ebp,%ecx
  mov    -0xe0(%r12),%r9d
  mov    -0xdc(%r12),%r8d
  movd   %ebp,%xmm0
  sar    $0x1e,%ecx
  mov    -0xd8(%r12),%r14d
  mov    -0xd4(%r12),%r11d
  mov    %r12,0x0(%r13)
  movd   %ecx,%xmm2
  mov    %ebp,%r12d
  mov    %ebp,%r13d
  mov    $0x2d,%ecx
  sar    %cl,%r13d
  sar    $0xf,%r12d
  mov    $0x3c,%ecx
  movd   %r13d,%xmm5
  movd   %r12d,%xmm6
  mov    %edx,%r12d
  sar    %cl,%ebp
  punpckldq %xmm5,%xmm2
  punpckldq %xmm6,%xmm0
  shl    $0x4,%r12d
  mov    %edx,%ecx
  punpcklqdq %xmm2,%xmm0
  movdqa D3(%rip),%xmm2
  or     %r12d,%ebp
  sar    $0x1a,%ecx
  movd   %ecx,%xmm3
  mov    %edx,%r12d
  mov    $0x29,%ecx
  pand   %xmm2,%xmm0
  sar    %cl,%r12d
  mov    $0x38,%ecx
  paddd  %xmm1,%xmm0
  movd   %r12d,%xmm7
  movups %xmm0,(%rsi)
  movd   %ebp,%xmm0
  mov    %edx,%ebp
  punpckldq %xmm7,%xmm3
  sar    $0xb,%ebp
  sar    %cl,%edx
  mov    %eax,%ecx
  movd   %ebp,%xmm4
  mov    %eax,%ebp
  sar    $0x16,%ecx
  punpckldq %xmm4,%xmm0
  shl    $0x8,%ebp
  punpcklqdq %xmm3,%xmm0
  or     %ebp,%edx
  movd   %ecx,%xmm3
  mov    %eax,%ebp
  pand   %xmm2,%xmm0
  mov    $0x25,%ecx
  paddd  %xmm1,%xmm0
  sar    %cl,%ebp
  mov    $0x34,%ecx
  movups %xmm0,0x10(%rsi)
  movd   %edx,%xmm0
  mov    %eax,%edx
  movd   %ebp,%xmm5
  sar    $0x7,%edx
  punpckldq %xmm5,%xmm3
  sar    %cl,%eax
  mov    $0x21,%ecx
  movd   %edx,%xmm6
  mov    %edi,%edx
  punpckldq %xmm6,%xmm0
  shl    $0xc,%edx
  punpcklqdq %xmm3,%xmm0
  or     %edx,%eax
  mov    %edi,%edx
  pand   %xmm2,%xmm0
  sar    $0x12,%edx
  paddd  %xmm1,%xmm0
  movd   %edx,%xmm3
  mov    %edi,%edx
  movups %xmm0,0x20(%rsi)
  movd   %eax,%xmm0
  mov    %edi,%eax
  sar    %cl,%edx
  sar    $0x3,%eax
  movd   %edx,%xmm7
  mov    $0x30,%ecx
  movd   %eax,%xmm4
  punpckldq %xmm7,%xmm3
  mov    %edi,%eax
  punpckldq %xmm4,%xmm0
  sar    %cl,%eax
  mov    $0x3f,%ecx
  punpcklqdq %xmm3,%xmm0
  sar    %cl,%edi
  mov    $0x2c,%ecx
  pand   %xmm2,%xmm0
  paddd  %xmm1,%xmm0
  movups %xmm0,0x30(%rsi)
  movd   %eax,%xmm0
  lea    (%r9,%r9,1),%eax
  or     %eax,%edi
  mov    %r9d,%eax
  sar    $0xe,%eax
  movd   %edi,%xmm6
  movd   %eax,%xmm3
  mov    %r9d,%eax
  punpckldq %xmm6,%xmm0
  sar    $0x1d,%eax
  movd   %eax,%xmm5
  mov    %r9d,%eax
  punpckldq %xmm5,%xmm3
  sar    %cl,%eax
  mov    $0x3b,%ecx
  punpcklqdq %xmm3,%xmm0
  sar    %cl,%r9d
  mov    $0x28,%ecx
  pand   %xmm2,%xmm0
  paddd  %xmm1,%xmm0
  movups %xmm0,0x40(%rsi)
  movd   %eax,%xmm0
  mov    %r8d,%eax
  shl    $0x5,%eax
  or     %eax,%r9d
  mov    %r8d,%eax
  sar    $0xa,%eax
  movd   %r9d,%xmm4
  movd   %eax,%xmm3
  mov    %r8d,%eax
  punpckldq %xmm4,%xmm0
  sar    $0x19,%eax
  movd   %eax,%xmm7
  mov    %r8d,%eax
  punpckldq %xmm7,%xmm3
  sar    %cl,%eax
  mov    $0x37,%ecx
  punpcklqdq %xmm3,%xmm0
  sar    %cl,%r8d
  mov    %r14d,%ecx
  pand   %xmm2,%xmm0
  sar    $0x6,%ecx
  paddd  %xmm1,%xmm0
  movd   %ecx,%xmm3
  mov    $0x24,%ecx
  movups %xmm0,0x50(%rsi)
  movd   %eax,%xmm0
  mov    %r14d,%eax
  shl    $0x9,%eax
  or     %eax,%r8d
  mov    %r14d,%eax
  sar    $0x15,%eax
  movd   %r8d,%xmm6
  movd   %eax,%xmm5
  mov    %r14d,%eax
  punpckldq %xmm6,%xmm0
  sar    %cl,%eax
  mov    $0x33,%ecx
  punpckldq %xmm5,%xmm3
  and    $0x7fff,%eax
  sar    %cl,%r14d
  punpcklqdq %xmm3,%xmm0
  add    %r10d,%eax
  mov    %r14d,%ecx
  pand   %xmm2,%xmm0
  mov    %eax,0x70(%rsi)
  mov    %r11d,%eax
  paddd  %xmm1,%xmm0
  shl    $0xd,%eax
  movups %xmm0,0x60(%rsi)
  or     %eax,%ecx
  mov    %r11d,%eax
  shr    $0x11,%r11d
  sar    $0x2,%eax
  and    $0x7fff,%ecx
  add    %r10d,%r11d
  and    $0x7fff,%eax
  add    %r10d,%ecx
  mov    %r11d,0x7c(%rsi)
  add    %r10d,%eax
  mov    %ecx,0x74(%rsi)
  mov    %eax,0x78(%rsi)
  subq   $0xffffffffffffff80,(%rbx)
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

tool_calls: name: parse_data
arguments: data_tag: D3
datatype: byte[16]

tool: {"D3": [0xff,0x7f,0x00,0x00,0xff,0x7f,0x00,0x00,0xff,0x7f,0x00,0x00,0xff,0x7f,0x00,0x00]}

assistant: ```c
void unpackforblock15_64(const uint64_t base, const uint8_t **pw, uint64_t **pout) {
  const uint64_t *pw64 = *(const uint64_t **)pw;
  uint64_t *out = *pout;
  const uint64_t mask = (32767ULL);
  uint64_t w0 = pw64[0];
  uint64_t w1 = pw64[1];
  uint64_t w2 = pw64[2];
  uint64_t w3 = pw64[3];
  uint64_t w4 = pw64[4];
  uint64_t w5 = pw64[5];
  uint64_t w6 = pw64[6];
  uint64_t w7 = pw64[7];
  *pw += 60;
  out[0] = base + ((w0)&mask);
  out[1] = base + ((w0 >> 15) & mask);
  out[2] = base + ((w0 >> 30) & mask);
  out[3] = base + ((w0 >> 45) & mask);
  out[4] = base + (((w0 >> 60) | (w1 << 4)) & mask);
  out[5] = base + ((w1 >> 11) & mask);
  out[6] = base + ((w1 >> 26) & mask);
  out[7] = base + ((w1 >> 41) & mask);
  out[8] = base + (((w1 >> 56) | (w2 << 8)) & mask);
  out[9] = base + ((w2 >> 7) & mask);
  out[10] = base + ((w2 >> 22) & mask);
  out[11] = base + ((w2 >> 37) & mask);
  out[12] = base + (((w2 >> 52) | (w3 << 12)) & mask);
  out[13] = base + ((w3 >> 3) & mask);
  out[14] = base + ((w3 >> 18) & mask);
  out[15] = base + ((w3 >> 33) & mask);
  out[16] = base + ((w3 >> 48) & mask);
  out[17] = base + (((w3 >> 63) | (w4 << 1)) & mask);
  out[18] = base + ((w4 >> 14) & mask);
  out[19] = base + ((w4 >> 29) & mask);
  out[20] = base + ((w4 >> 44) & mask);
  out[21] = base + (((w4 >> 59) | (w5 << 5)) & mask);
  out[22] = base + ((w5 >> 10) & mask);
  out[23] = base + ((w5 >> 25) & mask);
  out[24] = base + ((w5 >> 40) & mask);
  out[25] = base + (((w5 >> 55) | (w6 << 9)) & mask);
  out[26] = base + ((w6 >> 6) & mask);
  out[27] = base + ((w6 >> 21) & mask);
  out[28] = base + ((w6 >> 36) & mask);
  out[29] = base + (((w6 >> 51) | (w7 << 13)) & mask);
  out[30] = base + ((w7 >> 2) & mask);
  out[31] = base + ((w7 >> 17) & mask);
  *pout += 32;
}
```