user: 请从给定的汇编指令推导出C源代码:

```asm
<fft8pt>:
  endbr64
  movq   (%rdi),%xmm1
  movq   0x20(%rdi),%xmm0
  movq   0x10(%rdi),%xmm4
  movq   0x18(%rdi),%xmm9
  movaps %xmm1,%xmm2
  addps  %xmm0,%xmm1
  movq   0x28(%rdi),%xmm11
  movq   0x38(%rdi),%xmm5
  subps  %xmm0,%xmm2
  movq   0x30(%rdi),%xmm0
  movaps %xmm4,%xmm3
  subps  %xmm0,%xmm4
  addps  %xmm0,%xmm3
  movaps %xmm1,%xmm8
  movaps %xmm2,%xmm13
  movaps %xmm2,%xmm15
  movaps %xmm4,%xmm0
  subps  %xmm3,%xmm1
  addps  %xmm3,%xmm8
  shufps $0xe1,%xmm0,%xmm0
  movaps %xmm9,%xmm3
  movaps %xmm4,%xmm14
  addps  %xmm0,%xmm13
  subps  %xmm0,%xmm15
  movq   0x8(%rdi),%xmm0
  shufps $0xe5,%xmm14,%xmm14
  addps  %xmm5,%xmm3
  movaps %xmm0,%xmm6
  movaps %xmm0,%xmm10
  shufps $0xe5,%xmm0,%xmm0
  addps  %xmm11,%xmm6
  subss  %xmm11,%xmm10
  shufps $0xe5,%xmm11,%xmm11
  movlps %xmm15,-0x10(%rsp)
  subss  %xmm11,%xmm0
  movaps %xmm9,%xmm11
  shufps $0xe5,%xmm9,%xmm9
  subss  %xmm5,%xmm11
  shufps $0xe5,%xmm5,%xmm5
  subss  %xmm5,%xmm9
  movaps %xmm6,%xmm7
  addps  %xmm3,%xmm6
  subps  %xmm3,%xmm7
  movaps %xmm2,%xmm3
  shufps $0xe5,%xmm2,%xmm2
  subss  %xmm4,%xmm2
  movaps %xmm10,%xmm4
  addss  %xmm14,%xmm3
  movaps %xmm0,%xmm5
  movss  D8(%rip),%xmm14
  addss  %xmm9,%xmm4
  subss  %xmm11,%xmm5
  subss  %xmm9,%xmm10
  addss  %xmm0,%xmm11
  movaps %xmm13,%xmm9
  shufps $0xe5,%xmm13,%xmm13
  movaps %xmm8,%xmm0
  movaps %xmm7,%xmm12
  mulss  %xmm14,%xmm4
  movaps %xmm5,%xmm15
  movaps %xmm3,%xmm5
  shufps $0xe5,%xmm0,%xmm0
  mulss  %xmm14,%xmm15
  addss  %xmm3,%xmm3
  shufps $0xe1,%xmm12,%xmm12
  mulss  %xmm14,%xmm10
  mulss  %xmm14,%xmm11
  movaps %xmm6,%xmm14
  shufps $0xe5,%xmm14,%xmm14
  addss  %xmm14,%xmm0
  subss  %xmm4,%xmm5
  addss  %xmm2,%xmm4
  addss  %xmm2,%xmm2
  shufps $0xe0,%xmm10,%xmm10
  subss  %xmm15,%xmm5
  subss  %xmm15,%xmm4
  shufps $0xe0,%xmm11,%xmm11
  movq   -0x10(%rsp),%xmm15
  movss  %xmm15,%xmm9
  addps  %xmm10,%xmm9
  subss  %xmm5,%xmm3
  unpcklps %xmm4,%xmm5
  subss  %xmm4,%xmm2
  movaps %xmm9,%xmm10
  subps  %xmm11,%xmm9
  addps  %xmm11,%xmm10
  movaps %xmm8,%xmm11
  unpcklps %xmm2,%xmm3
  addss  %xmm6,%xmm11
  subps  %xmm6,%xmm8
  movaps %xmm7,%xmm6
  shufps $0xe5,%xmm6,%xmm6
  movaps %xmm11,%xmm2
  movlps %xmm8,0x20(%rdi)
  unpcklps %xmm0,%xmm2
  movaps %xmm1,%xmm0
  movlhps %xmm3,%xmm2
  subps  %xmm12,%xmm0
  movaps %xmm10,%xmm3
  movups %xmm2,(%rdi)
  movaps %xmm1,%xmm2
  shufps $0xe5,%xmm3,%xmm3
  movss  %xmm9,%xmm10
  addps  %xmm12,%xmm2
  movlps %xmm10,0x38(%rdi)
  movss  %xmm2,%xmm0
  movaps %xmm15,%xmm2
  movlps %xmm0,0x10(%rdi)
  movaps %xmm13,%xmm0
  addss  %xmm15,%xmm2
  addss  %xmm13,%xmm0
  subss  %xmm9,%xmm2
  subss  %xmm3,%xmm0
  movss  %xmm2,0x18(%rdi)
  movss  %xmm0,0x1c(%rdi)
  movaps %xmm1,%xmm0
  shufps $0xe5,%xmm1,%xmm1
  addss  %xmm7,%xmm1
  subss  %xmm6,%xmm0
  unpcklps %xmm1,%xmm0
  movlhps %xmm0,%xmm5
  movups %xmm5,0x28(%rdi)
  ret
```

tool_calls: name: retrieve_data
arguments: data_label: D8
datatype: byte[4]

tool: {"D8": [0xf3,0x04,0x35,0x3f]}

assistant: ```c
void fft8pt(float *ioptr) {
  float w0r = (float)(1.0 / 1.414213562373095048801688724209698078569);
  float f0r, f0i, f1r, f1i, f2r, f2i, f3r, f3i;
  float f4r, f4i, f5r, f5i, f6r, f6i, f7r, f7i;
  float t0r, t0i, t1r, t1i;
  const float Two = 2.0;
  f0r = ioptr[0];
  f0i = ioptr[1];
  f1r = ioptr[8];
  f1i = ioptr[9];
  f2r = ioptr[4];
  f2i = ioptr[5];
  f3r = ioptr[12];
  f3i = ioptr[13];
  f4r = ioptr[2];
  f4i = ioptr[3];
  f5r = ioptr[10];
  f5i = ioptr[11];
  f6r = ioptr[6];
  f6i = ioptr[7];
  f7r = ioptr[14];
  f7i = ioptr[15];
  t0r = f0r + f1r;
  t0i = f0i + f1i;
  f1r = f0r - f1r;
  f1i = f0i - f1i;
  t1r = f2r - f3r;
  t1i = f2i - f3i;
  f2r = f2r + f3r;
  f2i = f2i + f3i;
  f0r = t0r + f2r;
  f0i = t0i + f2i;
  f2r = t0r - f2r;
  f2i = t0i - f2i;
  f3r = f1r - t1i;
  f3i = f1i + t1r;
  f1r = f1r + t1i;
  f1i = f1i - t1r;
  t0r = f4r + f5r;
  t0i = f4i + f5i;
  f5r = f4r - f5r;
  f5i = f4i - f5i;
  t1r = f6r - f7r;
  t1i = f6i - f7i;
  f6r = f6r + f7r;
  f6i = f6i + f7i;
  f4r = t0r + f6r;
  f4i = t0i + f6i;
  f6r = t0r - f6r;
  f6i = t0i - f6i;
  f7r = f5r - t1i;
  f7i = f5i + t1r;
  f5r = f5r + t1i;
  f5i = f5i - t1r;
  t0r = f0r - f4r;
  t0i = f0i - f4i;
  f0r = f0r + f4r;
  f0i = f0i + f4i;
  t1r = f2r - f6i;
  t1i = f2i + f6r;
  f2r = f2r + f6i;
  f2i = f2i - f6r;
  f4r = f1r - f5r * w0r - f5i * w0r;
  f4i = f1i + f5r * w0r - f5i * w0r;
  f1r = f1r * Two - f4r;
  f1i = f1i * Two - f4i;
  f6r = f3r + f7r * w0r - f7i * w0r;
  f6i = f3i + f7r * w0r + f7i * w0r;
  f3r = f3r * Two - f6r;
  f3i = f3i * Two - f6i;
  ioptr[0] = f0r;
  ioptr[1] = f0i;
  ioptr[2] = f1r;
  ioptr[3] = f1i;
  ioptr[4] = f2r;
  ioptr[5] = f2i;
  ioptr[6] = f3r;
  ioptr[7] = f3i;
  ioptr[8] = t0r;
  ioptr[9] = t0i;
  ioptr[10] = f4r;
  ioptr[11] = f4i;
  ioptr[12] = t1r;
  ioptr[13] = t1i;
  ioptr[14] = f6r;
  ioptr[15] = f6i;
}
```