user: 请从给定的汇编指令推导出C源代码:

```asm
<cft1st>:
  endbr64
  mov    %rsi,%rax
  mov    %rdx,%rcx
  movss  (%rsi),%xmm2
  movss  0x8(%rsi),%xmm5
  movaps %xmm2,%xmm4
  addss  %xmm5,%xmm4
  movss  0x4(%rsi),%xmm0
  movss  0xc(%rsi),%xmm1
  movaps %xmm0,%xmm3
  addss  %xmm1,%xmm3
  subss  %xmm5,%xmm2
  movaps %xmm2,%xmm9
  subss  %xmm1,%xmm0
  movss  0x10(%rsi),%xmm1
  movss  0x18(%rsi),%xmm8
  movaps %xmm1,%xmm6
  addss  %xmm8,%xmm6
  movss  0x14(%rsi),%xmm2
  movss  0x1c(%rsi),%xmm7
  movaps %xmm2,%xmm5
  addss  %xmm7,%xmm5
  subss  %xmm8,%xmm1
  subss  %xmm7,%xmm2
  movaps %xmm4,%xmm7
  addss  %xmm6,%xmm7
  movss  %xmm7,(%rsi)
  movaps %xmm3,%xmm7
  addss  %xmm5,%xmm7
  movss  %xmm7,0x4(%rsi)
  subss  %xmm6,%xmm4
  movss  %xmm4,0x10(%rsi)
  subss  %xmm5,%xmm3
  movss  %xmm3,0x14(%rsi)
  movaps %xmm9,%xmm3
  subss  %xmm2,%xmm3
  movss  %xmm3,0x8(%rsi)
  movaps %xmm0,%xmm3
  addss  %xmm1,%xmm3
  movss  %xmm3,0xc(%rsi)
  addss  %xmm9,%xmm2
  movss  %xmm2,0x18(%rsi)
  subss  %xmm1,%xmm0
  movss  %xmm0,0x1c(%rsi)
  movss  0x8(%rdx),%xmm3
  movss  0x20(%rsi),%xmm0
  movss  0x28(%rsi),%xmm2
  movaps %xmm0,%xmm7
  addss  %xmm2,%xmm7
  movss  0x24(%rsi),%xmm5
  movss  0x2c(%rsi),%xmm1
  movaps %xmm5,%xmm8
  addss  %xmm1,%xmm8
  subss  %xmm2,%xmm0
  subss  %xmm1,%xmm5
  movss  0x30(%rsi),%xmm1
  movss  0x38(%rsi),%xmm10
  movaps %xmm1,%xmm11
  addss  %xmm10,%xmm11
  movss  0x34(%rsi),%xmm6
  movss  0x3c(%rsi),%xmm9
  movaps %xmm6,%xmm4
  addss  %xmm9,%xmm4
  subss  %xmm10,%xmm1
  movaps %xmm1,%xmm2
  subss  %xmm9,%xmm6
  movaps %xmm7,%xmm1
  addss  %xmm11,%xmm1
  movss  %xmm1,0x20(%rsi)
  movaps %xmm8,%xmm1
  addss  %xmm4,%xmm1
  movss  %xmm1,0x24(%rsi)
  subss  %xmm8,%xmm4
  movss  %xmm4,0x30(%rsi)
  subss  %xmm11,%xmm7
  movss  %xmm7,0x34(%rsi)
  movaps %xmm0,%xmm1
  subss  %xmm6,%xmm1
  movaps %xmm5,%xmm7
  addss  %xmm2,%xmm7
  movaps %xmm1,%xmm4
  subss  %xmm7,%xmm4
  mulss  %xmm3,%xmm4
  movss  %xmm4,0x28(%rsi)
  addss  %xmm7,%xmm1
  mulss  %xmm3,%xmm1
  movss  %xmm1,0x2c(%rsi)
  addss  %xmm6,%xmm0
  movaps %xmm2,%xmm1
  subss  %xmm5,%xmm1
  movaps %xmm1,%xmm2
  subss  %xmm0,%xmm2
  mulss  %xmm3,%xmm2
  movss  %xmm2,0x38(%rsi)
  addss  %xmm1,%xmm0
  mulss  %xmm3,%xmm0
  movss  %xmm0,0x3c(%rsi)
  cmp    $0x10,%edi
  jle    L7
  lea    0x8(%rdx),%rsi
  add    $0x10,%rcx
  add    $0x40,%rax
  sub    $0x11,%edi
  shr    $0x4,%edi
  mov    %edi,%edi
  lea    (%rcx,%rdi,8),%rdi
  movss  D5(%rip),%xmm6
L18:
  movss  (%rsi),%xmm5
  movss  0x4(%rsi),%xmm0
  movss  (%rcx),%xmm7
  movss  0x4(%rcx),%xmm15
  movaps %xmm0,%xmm1
  addss  %xmm0,%xmm1
  movaps %xmm1,%xmm2
  mulss  %xmm15,%xmm2
  movaps %xmm7,%xmm9
  subss  %xmm2,%xmm9
  mulss  %xmm7,%xmm1
  subss  %xmm15,%xmm1
  movss  (%rax),%xmm3
  movss  0x8(%rax),%xmm11
  movaps %xmm3,%xmm8
  addss  %xmm11,%xmm8
  movss  0x4(%rax),%xmm4
  movss  0xc(%rax),%xmm10
  movaps %xmm4,%xmm2
  addss  %xmm10,%xmm2
  subss  %xmm11,%xmm3
  subss  %xmm10,%xmm4
  movss  0x10(%rax),%xmm10
  movaps %xmm10,%xmm13
  addss  0x18(%rax),%xmm13
  movss  0x14(%rax),%xmm11
  movss  0x1c(%rax),%xmm14
  movaps %xmm11,%xmm12
  addss  %xmm14,%xmm12
  subss  0x18(%rax),%xmm10
  subss  %xmm14,%xmm11
  movaps %xmm8,%xmm14
  addss  %xmm13,%xmm14
  movss  %xmm14,(%rax)
  movaps %xmm2,%xmm14
  addss  %xmm12,%xmm14
  movss  %xmm14,0x4(%rax)
  subss  %xmm13,%xmm8
  subss  %xmm12,%xmm2
  movaps %xmm5,%xmm12
  mulss  %xmm8,%xmm12
  movaps %xmm0,%xmm13
  mulss  %xmm2,%xmm13
  subss  %xmm13,%xmm12
  movss  %xmm12,0x10(%rax)
  mulss  %xmm5,%xmm2
  mulss  %xmm0,%xmm8
  addss  %xmm8,%xmm2
  movss  %xmm2,0x14(%rax)
  movaps %xmm3,%xmm8
  subss  %xmm11,%xmm8
  movaps %xmm4,%xmm12
  addss  %xmm10,%xmm12
  movaps %xmm7,%xmm2
  mulss  %xmm8,%xmm2
  movaps %xmm15,%xmm13
  mulss  %xmm12,%xmm13
  subss  %xmm13,%xmm2
  movss  %xmm2,0x8(%rax)
  mulss  %xmm12,%xmm7
  movaps %xmm15,%xmm2
  mulss  %xmm8,%xmm2
  addss  %xmm2,%xmm7
  movss  %xmm7,0xc(%rax)
  addss  %xmm11,%xmm3
  subss  %xmm10,%xmm4
  movaps %xmm9,%xmm2
  mulss  %xmm3,%xmm2
  movaps %xmm1,%xmm7
  mulss  %xmm4,%xmm7
  subss  %xmm7,%xmm2
  movss  %xmm2,0x18(%rax)
  mulss  %xmm4,%xmm9
  mulss  %xmm3,%xmm1
  addss  %xmm1,%xmm9
  movss  %xmm9,0x1c(%rax)
  movss  0x8(%rcx),%xmm4
  movss  0xc(%rcx),%xmm15
  movaps %xmm5,%xmm1
  addss  %xmm5,%xmm1
  movaps %xmm1,%xmm2
  mulss  %xmm15,%xmm2
  movaps %xmm4,%xmm7
  subss  %xmm2,%xmm7
  mulss  %xmm4,%xmm1
  subss  %xmm15,%xmm1
  movss  0x20(%rax),%xmm2
  movss  0x28(%rax),%xmm9
  movaps %xmm2,%xmm10
  addss  %xmm9,%xmm10
  movss  0x24(%rax),%xmm3
  movss  0x2c(%rax),%xmm8
  movaps %xmm3,%xmm11
  addss  %xmm8,%xmm11
  subss  %xmm9,%xmm2
  subss  %xmm8,%xmm3
  movss  0x30(%rax),%xmm8
  movaps %xmm8,%xmm13
  addss  0x38(%rax),%xmm13
  movss  0x34(%rax),%xmm9
  movss  0x3c(%rax),%xmm14
  movaps %xmm9,%xmm12
  addss  %xmm14,%xmm12
  subss  0x38(%rax),%xmm8
  subss  %xmm14,%xmm9
  movaps %xmm10,%xmm14
  addss  %xmm13,%xmm14
  movss  %xmm14,0x20(%rax)
  movaps %xmm11,%xmm14
  addss  %xmm12,%xmm14
  movss  %xmm14,0x24(%rax)
  subss  %xmm13,%xmm10
  subss  %xmm12,%xmm11
  xorps  %xmm6,%xmm0
  movaps %xmm0,%xmm12
  mulss  %xmm10,%xmm12
  movaps %xmm5,%xmm13
  mulss  %xmm11,%xmm13
  subss  %xmm13,%xmm12
  movss  %xmm12,0x30(%rax)
  mulss  %xmm11,%xmm0
  mulss  %xmm10,%xmm5
  addss  %xmm5,%xmm0
  movss  %xmm0,0x34(%rax)
  movaps %xmm2,%xmm5
  subss  %xmm9,%xmm5
  movaps %xmm3,%xmm10
  addss  %xmm8,%xmm10
  movaps %xmm4,%xmm0
  mulss  %xmm5,%xmm0
  movaps %xmm15,%xmm11
  mulss  %xmm10,%xmm11
  subss  %xmm11,%xmm0
  movss  %xmm0,0x28(%rax)
  mulss  %xmm10,%xmm4
  movaps %xmm15,%xmm0
  mulss  %xmm5,%xmm0
  addss  %xmm0,%xmm4
  movss  %xmm4,0x2c(%rax)
  addss  %xmm9,%xmm2
  subss  %xmm8,%xmm3
  movaps %xmm7,%xmm0
  mulss  %xmm2,%xmm0
  movaps %xmm1,%xmm4
  mulss  %xmm3,%xmm4
  subss  %xmm4,%xmm0
  movss  %xmm0,0x38(%rax)
  mulss  %xmm3,%xmm7
  mulss  %xmm2,%xmm1
  addss  %xmm1,%xmm7
  movss  %xmm7,0x3c(%rax)
  add    $0x8,%rsi
  add    $0x10,%rcx
  add    $0x40,%rax
  cmp    %rdi,%rsi
  jne    L18
L7:
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D5
data_type: byte[4]

tool: {"D5": [0x00,0x00,0x00,0x80]}

assistant: ```c
void cft1st(int n, float *a, float *w) {
  int j, k1, k2;
  float wk1r, wk1i, wk2r, wk2i, wk3r, wk3i;
  float x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i;
  x0r = a[0] + a[2];
  x0i = a[1] + a[3];
  x1r = a[0] - a[2];
  x1i = a[1] - a[3];
  x2r = a[4] + a[6];
  x2i = a[5] + a[7];
  x3r = a[4] - a[6];
  x3i = a[5] - a[7];
  a[0] = x0r + x2r;
  a[1] = x0i + x2i;
  a[4] = x0r - x2r;
  a[5] = x0i - x2i;
  a[2] = x1r - x3i;
  a[3] = x1i + x3r;
  a[6] = x1r + x3i;
  a[7] = x1i - x3r;
  wk1r = w[2];
  x0r = a[8] + a[10];
  x0i = a[9] + a[11];
  x1r = a[8] - a[10];
  x1i = a[9] - a[11];
  x2r = a[12] + a[14];
  x2i = a[13] + a[15];
  x3r = a[12] - a[14];
  x3i = a[13] - a[15];
  a[8] = x0r + x2r;
  a[9] = x0i + x2i;
  a[12] = x2i - x0i;
  a[13] = x0r - x2r;
  x0r = x1r - x3i;
  x0i = x1i + x3r;
  a[10] = wk1r * (x0r - x0i);
  a[11] = wk1r * (x0r + x0i);
  x0r = x3i + x1r;
  x0i = x3r - x1i;
  a[14] = wk1r * (x0i - x0r);
  a[15] = wk1r * (x0i + x0r);
  k1 = 0;
  for (j = 16; j < n; j += 16) {
    k1 += 2;
    k2 = 2 * k1;
    wk2r = w[k1];
    wk2i = w[k1 + 1];
    wk1r = w[k2];
    wk1i = w[k2 + 1];
    wk3r = wk1r - 2 * wk2i * wk1i;
    wk3i = 2 * wk2i * wk1r - wk1i;
    x0r = a[j] + a[j + 2];
    x0i = a[j + 1] + a[j + 3];
    x1r = a[j] - a[j + 2];
    x1i = a[j + 1] - a[j + 3];
    x2r = a[j + 4] + a[j + 6];
    x2i = a[j + 5] + a[j + 7];
    x3r = a[j + 4] - a[j + 6];
    x3i = a[j + 5] - a[j + 7];
    a[j] = x0r + x2r;
    a[j + 1] = x0i + x2i;
    x0r -= x2r;
    x0i -= x2i;
    a[j + 4] = wk2r * x0r - wk2i * x0i;
    a[j + 5] = wk2r * x0i + wk2i * x0r;
    x0r = x1r - x3i;
    x0i = x1i + x3r;
    a[j + 2] = wk1r * x0r - wk1i * x0i;
    a[j + 3] = wk1r * x0i + wk1i * x0r;
    x0r = x1r + x3i;
    x0i = x1i - x3r;
    a[j + 6] = wk3r * x0r - wk3i * x0i;
    a[j + 7] = wk3r * x0i + wk3i * x0r;
    wk1r = w[k2 + 2];
    wk1i = w[k2 + 3];
    wk3r = wk1r - 2 * wk2r * wk1i;
    wk3i = 2 * wk2r * wk1r - wk1i;
    x0r = a[j + 8] + a[j + 10];
    x0i = a[j + 9] + a[j + 11];
    x1r = a[j + 8] - a[j + 10];
    x1i = a[j + 9] - a[j + 11];
    x2r = a[j + 12] + a[j + 14];
    x2i = a[j + 13] + a[j + 15];
    x3r = a[j + 12] - a[j + 14];
    x3i = a[j + 13] - a[j + 15];
    a[j + 8] = x0r + x2r;
    a[j + 9] = x0i + x2i;
    x0r -= x2r;
    x0i -= x2i;
    a[j + 12] = -wk2i * x0r - wk2r * x0i;
    a[j + 13] = -wk2i * x0i + wk2r * x0r;
    x0r = x1r - x3i;
    x0i = x1i + x3r;
    a[j + 10] = wk1r * x0r - wk1i * x0i;
    a[j + 11] = wk1r * x0i + wk1i * x0r;
    x0r = x1r + x3i;
    x0i = x1i - x3r;
    a[j + 14] = wk3r * x0r - wk3i * x0i;
    a[j + 15] = wk3r * x0i + wk3i * x0r;
  }
}
```