user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<fft>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,%r14
  movsd  D77(%rip),%xmm7
  movsd  %xmm7,0x10(%rsp)
  movsd  D65(%rip),%xmm7
  movsd  %xmm7,0x18(%rsp)
  mov    $0x4,%r13d
  mov    $0x2,%ebx
  lea    D35(%rip),%r15
L79:
  pxor   %xmm6,%xmm6
  movsd  %xmm6,(%rsp)
  mov    D2(%rip),%rax
  mov    %rax,0x8(%rsp)
  mov    $0x1,%r12d
  jmp    L7
L17:
  lea    D20(%rip),%rdi
  call   <puts@plt>
  mov    $0x0,%esi
  lea    D26(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x8,%eax
  mov    $0x0,%edx
  div    %rbx
  mov    %rax,%rbp
  mov    %eax,%r8d
  movsd  (%rsp),%xmm1
  movsd  0x8(%rsp),%xmm0
  mov    %r13,%rcx
  mov    %rbx,%rdx
  mov    %r12,%rsi
  mov    %r14,%rdi
  call   <calculoButterflyLoopBloco@plt>
  mov    $0x1,%esi
  lea    D26(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    0x10(%r12),%rsi
  mov    %ebp,%r8d
  movsd  (%rsp),%xmm1
  movsd  0x8(%rsp),%xmm0
  mov    %r13,%rcx
  mov    %rbx,%rdx
  mov    %r14,%rdi
  call   <calculoButterflyLoopBloco@plt>
L48:
  movsd  0x8(%rsp),%xmm2
  movapd %xmm2,%xmm1
  movsd  0x18(%rsp),%xmm5
  mulsd  %xmm5,%xmm1
  movsd  0x10(%rsp),%xmm4
  movapd %xmm4,%xmm0
  movsd  (%rsp),%xmm3
  mulsd  %xmm3,%xmm0
  subsd  %xmm0,%xmm1
  addsd  %xmm2,%xmm1
  movq   %xmm1,%rbp
  movapd %xmm3,%xmm0
  mulsd  %xmm5,%xmm0
  mulsd  %xmm4,%xmm2
  addsd  %xmm2,%xmm0
  addsd  %xmm3,%xmm0
  movsd  %xmm0,(%rsp)
  add    $0x2,%r12
  mov    %rbx,%rdx
  mov    %r12,%rsi
  lea    D85(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  cmp    %r12,%rbx
  jbe    L46
  mov    %rbp,0x8(%rsp)
L7:
  cmp    $0x1f,%rbx
  ja     L65
  mov    %rbx,%rsi
  mov    %r15,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x10,%eax
  mov    $0x0,%edx
  div    %rbx
  mov    %rax,%rbp
  cmp    $0x1,%rax
  ja     L17
  lea    D75(%rip),%rdi
  call   <puts@plt>
  mov    %ebp,%r8d
  movsd  (%rsp),%xmm1
  movsd  0x8(%rsp),%xmm0
  mov    %r13,%rcx
  mov    %rbx,%rdx
  mov    %r12,%rsi
  mov    %r14,%rdi
  call   <calculoButterflyLoopBloco@plt>
  jmp    L48
L46:
  lea    0x0(%r13,%r13,1),%rbp
  test   %r13,%r13
  js     L10
  pxor   %xmm0,%xmm0
  cvtsi2sd %r13,%xmm0
L16:
  movsd  D126(%rip),%xmm1
  divsd  %xmm0,%xmm1
  movq   %xmm1,%rbx
  movapd %xmm1,%xmm0
  mulsd  D21(%rip),%xmm0
  call   <sin@plt>
  movapd %xmm0,%xmm1
  mulsd  D65(%rip),%xmm1
  mulsd  %xmm0,%xmm1
  movsd  %xmm1,0x18(%rsp)
  movq   %rbx,%xmm0
  call   <sin@plt>
  movsd  %xmm0,0x10(%rsp)
  mov    %r13,%rdx
  mov    %rbp,%rsi
  lea    D9(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    %r13,%rbx
  mov    %rbp,%r13
  jmp    L79
L10:
  mov    %r13,%rax
  shr    %rax
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  addsd  %xmm0,%xmm0
  jmp    L16
L65:
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

tool_calls: name: retrieve_data
arguments: data_tag: D77
datatype: byte[8]
name: retrieve_data
arguments: data_tag: D65
datatype: f32[2]
name: retrieve_data
arguments: data_tag: D35
datatype: string
name: retrieve_data
arguments: data_tag: D2
datatype: f64
name: retrieve_data
arguments: data_tag: D20
datatype: string
name: retrieve_data
arguments: data_tag: D26
datatype: string
name: retrieve_data
arguments: data_tag: D85
datatype: string
name: retrieve_data
arguments: data_tag: D75
datatype: string
name: retrieve_data
arguments: data_tag: D126
datatype: f64
name: retrieve_data
arguments: data_tag: D21
datatype: f64
name: retrieve_data
arguments: data_tag: D9
datatype: string

tool: {"D77": [0x7f,0x74,0x9d,0x39,0x3b,0xcb,0xdd,0xbc]}

tool: {"D65": [0.0,-2.0]}

tool: D35: >>> Inicio do while -> mmax:%lu


tool: D2: 1

tool: D20:      processa em thread

tool: D26:      qtdBlocos:%lu


tool: D85:      >>> FOR 1 -> m:%lu mmax:%lu


tool: D75:      processa na main

tool: D126: 6.28318530717959

tool: D21: 0.5

tool: D9: <<< Final do while -> istep:%lu mmax:%lu



assistant: ```c
void fft(float data[]) {
  unsigned long mmax, j, m, istep, i;
  double wtemp, wr, wpr, wpi, wi, theta;
  mmax = 2;
  istep = mmax << 1;
  theta = 1 * (6.28318530717959 / mmax);
  wtemp = sin(0.5 * theta);
  wpr = -2.0 * wtemp * wtemp;
  wpi = sin(theta);
  wr = 1.0;
  wi = 0.0;
  m = 1;
  while (16 * 2 > mmax) {
    printf(">>> Inicio do while -> mmax:%lu\n", mmax);
    if (16 / mmax >= 2) {
      printf("     processa em thread\n");
      unsigned long tamBloco = 16 / mmax / 2;
      unsigned long blocoAtual;
      for (blocoAtual = 0; blocoAtual < 2; blocoAtual++) {
        printf("     qtdBlocos:%lu\n", blocoAtual);
        calculoButterflyLoopBloco(data, ((16 * 2 / 2) * blocoAtual) + m, mmax, istep, wr, wi, tamBloco);
      }
    } else {
      printf("     processa na main\n");
      calculoButterflyLoopBloco(data, m, mmax, istep, wr, wi, 16 / mmax);
    }
    wr = (wtemp = wr) * wpr - wi * wpi + wr;
    wi = wi * wpr + wtemp * wpi + wi;
    m += 2;
    printf("     >>> FOR 1 -> m:%lu mmax:%lu\n", m, mmax);
    if (m >= mmax) {
      mmax = istep;
      istep = mmax << 1;
      theta = 1 * (6.28318530717959 / mmax);
      wtemp = sin(0.5 * theta);
      wpr = -2.0 * wtemp * wtemp;
      wpi = sin(theta);
      wr = 1.0;
      wi = 0.0;
      m = 1;
      printf("<<< Final do while -> istep:%lu mmax:%lu\n\n", istep, mmax);
    }
  }
}
```