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

```asm
<fft8>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x88,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  movsd  (%rsi),%xmm3
  movsd  0x8(%rsi),%xmm1
  movsd  0x40(%rsi),%xmm2
  movsd  0x48(%rsi),%xmm0
  movapd %xmm3,%xmm7
  addsd  %xmm2,%xmm7
  movapd %xmm1,%xmm5
  addsd  %xmm0,%xmm5
  subsd  %xmm2,%xmm3
  movsd  %xmm3,(%rsp)
  subsd  %xmm0,%xmm1
  movsd  %xmm1,0x8(%rsp)
  movsd  0x20(%rsi),%xmm0
  movsd  0x28(%rsi),%xmm1
  movsd  0x60(%rsi),%xmm3
  movsd  0x68(%rsi),%xmm2
  movapd %xmm0,%xmm6
  addsd  %xmm3,%xmm6
  movapd %xmm1,%xmm4
  addsd  %xmm2,%xmm4
  movapd %xmm7,%xmm8
  addsd  %xmm6,%xmm8
  movsd  %xmm8,0x30(%rsp)
  movapd %xmm5,%xmm9
  addsd  %xmm4,%xmm9
  movsd  %xmm9,0x38(%rsp)
  subsd  %xmm6,%xmm7
  movsd  %xmm7,0x40(%rsp)
  subsd  %xmm4,%xmm5
  movsd  %xmm5,0x48(%rsp)
  subsd  %xmm3,%xmm0
  subsd  %xmm2,%xmm1
  pxor   %xmm2,%xmm2
  movapd %xmm0,%xmm3
  mulsd  %xmm2,%xmm3
  subsd  %xmm1,%xmm3
  mulsd  %xmm1,%xmm2
  addsd  %xmm0,%xmm2
  ucomisd %xmm2,%xmm3
  jp     L26
L87:
  movsd  (%rsp),%xmm6
  movapd %xmm6,%xmm7
  addsd  %xmm3,%xmm7
  movsd  %xmm7,0x50(%rsp)
  movsd  0x8(%rsp),%xmm5
  movapd %xmm5,%xmm7
  addsd  %xmm2,%xmm7
  movsd  %xmm7,0x58(%rsp)
  subsd  %xmm3,%xmm6
  movsd  %xmm6,0x60(%rsp)
  subsd  %xmm2,%xmm5
  movsd  %xmm5,0x68(%rsp)
  movsd  0x10(%rbp),%xmm0
  movsd  0x18(%rbp),%xmm1
  movsd  0x50(%rbp),%xmm3
  movsd  0x58(%rbp),%xmm2
  movapd %xmm0,%xmm7
  addsd  %xmm3,%xmm7
  movsd  %xmm7,0x20(%rsp)
  movapd %xmm1,%xmm4
  addsd  %xmm2,%xmm4
  movsd  %xmm4,0x28(%rsp)
  subsd  %xmm3,%xmm0
  subsd  %xmm2,%xmm1
  movsd  D8(%rip),%xmm2
  movapd %xmm0,%xmm3
  mulsd  %xmm2,%xmm3
  mulsd  %xmm1,%xmm2
  movapd %xmm3,%xmm7
  subsd  %xmm2,%xmm7
  movsd  %xmm7,(%rsp)
  addsd  %xmm2,%xmm3
  movsd  %xmm3,0x8(%rsp)
  ucomisd %xmm3,%xmm7
  jp     L6
L0:
  movsd  0x30(%rbp),%xmm0
  movsd  0x38(%rbp),%xmm1
  movsd  0x70(%rbp),%xmm3
  movsd  0x78(%rbp),%xmm2
  movapd %xmm0,%xmm6
  addsd  %xmm3,%xmm6
  movsd  %xmm6,0x70(%rsp)
  movapd %xmm1,%xmm7
  addsd  %xmm2,%xmm7
  movsd  %xmm7,0x78(%rsp)
  subsd  %xmm3,%xmm0
  subsd  %xmm2,%xmm1
  movsd  D75(%rip),%xmm2
  movapd %xmm0,%xmm5
  mulsd  %xmm2,%xmm5
  movsd  D8(%rip),%xmm3
  movapd %xmm1,%xmm4
  mulsd  %xmm3,%xmm4
  subsd  %xmm4,%xmm5
  movsd  %xmm5,0x10(%rsp)
  mulsd  %xmm0,%xmm3
  mulsd  %xmm1,%xmm2
  movapd %xmm3,%xmm6
  addsd  %xmm2,%xmm6
  movsd  %xmm6,0x18(%rsp)
  ucomisd %xmm6,%xmm5
  jp     L48
L10:
  movsd  0x20(%rsp),%xmm4
  movapd %xmm4,%xmm6
  movsd  0x70(%rsp),%xmm0
  addsd  %xmm0,%xmm6
  movsd  %xmm6,0x70(%rsp)
  movsd  0x28(%rsp),%xmm7
  movapd %xmm7,%xmm5
  movsd  0x78(%rsp),%xmm2
  addsd  %xmm2,%xmm5
  movsd  %xmm5,0x78(%rsp)
  subsd  %xmm0,%xmm4
  movapd %xmm4,%xmm0
  subsd  %xmm2,%xmm7
  movapd %xmm7,%xmm1
  pxor   %xmm2,%xmm2
  movapd %xmm4,%xmm3
  mulsd  %xmm2,%xmm3
  subsd  %xmm7,%xmm3
  movsd  %xmm3,0x20(%rsp)
  mulsd  %xmm7,%xmm2
  movapd %xmm2,%xmm5
  addsd  %xmm4,%xmm5
  movsd  %xmm5,0x28(%rsp)
  ucomisd %xmm5,%xmm3
  jp     L34
L8:
  movsd  (%rsp),%xmm6
  movapd %xmm6,%xmm5
  movsd  0x10(%rsp),%xmm0
  addsd  %xmm0,%xmm5
  movsd  %xmm5,(%rsp)
  movsd  0x8(%rsp),%xmm7
  movapd %xmm7,%xmm5
  movsd  0x18(%rsp),%xmm2
  addsd  %xmm2,%xmm5
  movsd  %xmm5,0x8(%rsp)
  movapd %xmm6,%xmm4
  subsd  %xmm0,%xmm4
  subsd  %xmm2,%xmm7
  movapd %xmm7,%xmm1
  pxor   %xmm0,%xmm0
  movapd %xmm4,%xmm2
  mulsd  %xmm0,%xmm2
  subsd  %xmm7,%xmm2
  mulsd  %xmm7,%xmm0
  addsd  %xmm4,%xmm0
  ucomisd %xmm0,%xmm2
  jp     L70
L64:
  movsd  0x30(%rsp),%xmm6
  movapd %xmm6,%xmm1
  movsd  0x70(%rsp),%xmm7
  addsd  %xmm7,%xmm1
  movsd  %xmm1,(%rbx)
  movsd  0x38(%rsp),%xmm4
  movapd %xmm4,%xmm1
  movsd  0x78(%rsp),%xmm3
  addsd  %xmm3,%xmm1
  movsd  %xmm1,0x8(%rbx)
  subsd  %xmm7,%xmm6
  movsd  %xmm6,0x40(%rbx)
  subsd  %xmm3,%xmm4
  movsd  %xmm4,0x48(%rbx)
  movsd  0x50(%rsp),%xmm5
  movapd %xmm5,%xmm1
  movsd  (%rsp),%xmm4
  addsd  %xmm4,%xmm1
  movsd  %xmm1,0x10(%rbx)
  movsd  0x58(%rsp),%xmm6
  movapd %xmm6,%xmm1
  movsd  0x8(%rsp),%xmm7
  addsd  %xmm7,%xmm1
  movsd  %xmm1,0x18(%rbx)
  subsd  %xmm4,%xmm5
  movsd  %xmm5,0x50(%rbx)
  subsd  %xmm7,%xmm6
  movsd  %xmm6,0x58(%rbx)
  movsd  0x40(%rsp),%xmm7
  movapd %xmm7,%xmm1
  movsd  0x20(%rsp),%xmm6
  addsd  %xmm6,%xmm1
  movsd  %xmm1,0x20(%rbx)
  movsd  0x48(%rsp),%xmm4
  movapd %xmm4,%xmm1
  movsd  0x28(%rsp),%xmm5
  addsd  %xmm5,%xmm1
  movsd  %xmm1,0x28(%rbx)
  subsd  %xmm6,%xmm7
  movsd  %xmm7,0x60(%rbx)
  subsd  %xmm5,%xmm4
  movsd  %xmm4,0x68(%rbx)
  movsd  0x60(%rsp),%xmm5
  movapd %xmm5,%xmm1
  addsd  %xmm2,%xmm1
  movsd  %xmm1,0x30(%rbx)
  movsd  0x68(%rsp),%xmm6
  movapd %xmm6,%xmm1
  addsd  %xmm0,%xmm1
  movsd  %xmm1,0x38(%rbx)
  subsd  %xmm2,%xmm5
  movsd  %xmm5,0x70(%rbx)
  subsd  %xmm0,%xmm6
  movsd  %xmm6,0x78(%rbx)
  add    $0x88,%rsp
  pop    %rbx
  pop    %rbp
  ret
L26:
  movsd  D61(%rip),%xmm3
  pxor   %xmm2,%xmm2
  call   <__muldc3>
  movapd %xmm0,%xmm3
  movapd %xmm1,%xmm2
  jmp    L87
L6:
  movsd  D8(%rip),%xmm2
  movapd %xmm2,%xmm3
  call   <__muldc3>
  movsd  %xmm0,(%rsp)
  movsd  %xmm1,0x8(%rsp)
  jmp    L0
L48:
  movsd  D8(%rip),%xmm3
  movsd  D75(%rip),%xmm2
  call   <__muldc3>
  movsd  %xmm0,0x10(%rsp)
  movsd  %xmm1,0x18(%rsp)
  jmp    L10
L34:
  movsd  D61(%rip),%xmm3
  pxor   %xmm2,%xmm2
  call   <__muldc3>
  movsd  %xmm0,0x20(%rsp)
  movsd  %xmm1,0x28(%rsp)
  jmp    L8
L70:
  movsd  D61(%rip),%xmm3
  pxor   %xmm2,%xmm2
  movapd %xmm4,%xmm0
  call   <__muldc3>
  movapd %xmm0,%xmm2
  movapd %xmm1,%xmm0
  jmp    L64
```

tool_calls: name: read_data
arguments: tag: D8
type_guessed: f64
name: read_data
arguments: tag: D75
type_guessed: byte[8]
name: read_data
arguments: tag: D61
type_guessed: f64

tool: D8: 0.7071067811865476

tool: {"D75": [0xcd,0x3b,0x7f,0x66,0x9e,0xa0,0xe6,0xbf]}

tool: D61: 1

assistant: ```c
void fft8(_Complex double *Y, _Complex double *X) {
  _Complex double a122, a123, t92, t93, a124, a125, t94, t95, t96, a126, t97, t98, a127, a128, t99, s9, a129, a130, t100, s10, t101, s11, t102, s12;
  a122 = *(X);
  a123 = *((X + 4));
  t92 = (a122 + a123);
  t93 = (a122 - a123);
  a124 = *((X + 2));
  a125 = *((X + 6));
  t94 = (a124 + a125);
  t95 = (t92 + t94);
  t96 = (t92 - t94);
  a126 = (1.0if * (a124 - a125));
  t97 = (t93 + a126);
  t98 = (t93 - a126);
  a127 = *((X + 1));
  a128 = *((X + 5));
  t99 = (a127 + a128);
  s9 = ((0.70710678118654757 + 1.0if * 0.70710678118654757) * (a127 - a128));
  a129 = *((X + 3));
  a130 = *((X + 7));
  t100 = (a129 + a130);
  s10 = ((-0.70710678118654757 + 1.0if * 0.70710678118654757) * (a129 - a130));
  t101 = (t99 + t100);
  s11 = (1.0if * (t99 - t100));
  t102 = (s9 + s10);
  s12 = (1.0if * (s9 - s10));
  *(Y) = (t95 + t101);
  *((Y + 4)) = (t95 - t101);
  *((Y + 1)) = (t97 + t102);
  *((Y + 5)) = (t97 - t102);
  *((Y + 2)) = (t96 + s11);
  *((Y + 6)) = (t96 - s11);
  *((Y + 3)) = (t98 + s12);
  *((Y + 7)) = (t98 - s12);
}
```