user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<fft>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x70,%rsp
  mov    %rdi,-0x68(%rbp)
  movq   $0x2,-0x58(%rbp)
  mov    -0x58(%rbp),%rax
  add    %rax,%rax
  mov    %rax,-0x48(%rbp)
  mov    -0x58(%rbp),%rax
  test   %rax,%rax
  js     L68
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  jmp    L52
L68:
  mov    %rax,%rdx
  shr    %rdx
  and    $0x1,%eax
  or     %rax,%rdx
  pxor   %xmm0,%xmm0
  cvtsi2sd %rdx,%xmm0
  addsd  %xmm0,%xmm0
L52:
  movsd  D54(%rip),%xmm1
  divsd  %xmm0,%xmm1
  movsd  %xmm1,-0x18(%rbp)
  movsd  -0x18(%rbp),%xmm1
  movsd  D139(%rip),%xmm0
  mulsd  %xmm0,%xmm1
  movq   %xmm1,%rax
  movq   %rax,%xmm0
  call   <sin@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x10(%rbp)
  movsd  -0x10(%rbp),%xmm1
  movsd  D77(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  movsd  -0x10(%rbp),%xmm1
  mulsd  %xmm1,%xmm0
  movsd  %xmm0,-0x38(%rbp)
  mov    -0x18(%rbp),%rax
  movq   %rax,%xmm0
  call   <sin@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x30(%rbp)
  movsd  D19(%rip),%xmm0
  movsd  %xmm0,-0x40(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x28(%rbp)
  movq   $0x1,-0x50(%rbp)
  jmp    L12
L37:
  mov    -0x58(%rbp),%rax
  mov    %rax,%rsi
  lea    D59(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x10,%eax
  mov    $0x0,%edx
  divq   -0x58(%rbp)
  cmp    $0x1,%rax
  jbe    L27
  lea    D109(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  mov    $0x8,%eax
  mov    $0x0,%edx
  divq   -0x58(%rbp)
  mov    %rax,-0x8(%rbp)
  movq   $0x0,-0x20(%rbp)
  jmp    L48
L64:
  mov    -0x20(%rbp),%rax
  mov    %rax,%rsi
  lea    D56(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    -0x8(%rbp),%rax
  mov    %eax,%r8d
  mov    -0x20(%rbp),%rax
  shl    $0x4,%rax
  mov    %rax,%rdx
  mov    -0x50(%rbp),%rax
  lea    (%rdx,%rax,1),%rdi
  movsd  -0x28(%rbp),%xmm0
  mov    -0x40(%rbp),%rsi
  mov    -0x48(%rbp),%rcx
  mov    -0x58(%rbp),%rdx
  mov    -0x68(%rbp),%rax
  movapd %xmm0,%xmm1
  movq   %rsi,%xmm0
  mov    %rdi,%rsi
  mov    %rax,%rdi
  call   <calculoButterflyLoopBloco@plt>
  addq   $0x1,-0x20(%rbp)
L48:
  cmpq   $0x1,-0x20(%rbp)
  jbe    L64
  jmp    L77
L27:
  lea    D20(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  mov    $0x10,%eax
  mov    $0x0,%edx
  divq   -0x58(%rbp)
  mov    %eax,%r8d
  movsd  -0x28(%rbp),%xmm0
  mov    -0x40(%rbp),%rdi
  mov    -0x48(%rbp),%rcx
  mov    -0x58(%rbp),%rdx
  mov    -0x50(%rbp),%rsi
  mov    -0x68(%rbp),%rax
  movapd %xmm0,%xmm1
  movq   %rdi,%xmm0
  mov    %rax,%rdi
  call   <calculoButterflyLoopBloco@plt>
L77:
  movsd  -0x40(%rbp),%xmm0
  movsd  %xmm0,-0x10(%rbp)
  movsd  -0x10(%rbp),%xmm0
  mulsd  -0x38(%rbp),%xmm0
  movsd  -0x28(%rbp),%xmm1
  mulsd  -0x30(%rbp),%xmm1
  subsd  %xmm1,%xmm0
  movsd  -0x40(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x40(%rbp)
  movsd  -0x28(%rbp),%xmm0
  movapd %xmm0,%xmm1
  mulsd  -0x38(%rbp),%xmm1
  movsd  -0x10(%rbp),%xmm0
  mulsd  -0x30(%rbp),%xmm0
  addsd  %xmm1,%xmm0
  movsd  -0x28(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x28(%rbp)
  addq   $0x2,-0x50(%rbp)
  mov    -0x58(%rbp),%rdx
  mov    -0x50(%rbp),%rax
  mov    %rax,%rsi
  lea    D129(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    -0x50(%rbp),%rax
  cmp    -0x58(%rbp),%rax
  jb     L12
  mov    -0x48(%rbp),%rax
  mov    %rax,-0x58(%rbp)
  mov    -0x58(%rbp),%rax
  add    %rax,%rax
  mov    %rax,-0x48(%rbp)
  mov    -0x58(%rbp),%rax
  test   %rax,%rax
  js     L100
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  jmp    L43
L100:
  mov    %rax,%rdx
  shr    %rdx
  and    $0x1,%eax
  or     %rax,%rdx
  pxor   %xmm0,%xmm0
  cvtsi2sd %rdx,%xmm0
  addsd  %xmm0,%xmm0
L43:
  movsd  D54(%rip),%xmm1
  divsd  %xmm0,%xmm1
  movsd  %xmm1,-0x18(%rbp)
  movsd  -0x18(%rbp),%xmm1
  movsd  D139(%rip),%xmm0
  mulsd  %xmm0,%xmm1
  movq   %xmm1,%rax
  movq   %rax,%xmm0
  call   <sin@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x10(%rbp)
  movsd  -0x10(%rbp),%xmm1
  movsd  D77(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  movsd  -0x10(%rbp),%xmm1
  mulsd  %xmm1,%xmm0
  movsd  %xmm0,-0x38(%rbp)
  mov    -0x18(%rbp),%rax
  movq   %rax,%xmm0
  call   <sin@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x30(%rbp)
  movsd  D19(%rip),%xmm0
  movsd  %xmm0,-0x40(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x28(%rbp)
  movq   $0x1,-0x50(%rbp)
  mov    -0x58(%rbp),%rdx
  mov    -0x48(%rbp),%rax
  mov    %rax,%rsi
  lea    D3(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
L12:
  cmpq   $0x1f,-0x58(%rbp)
  jbe    L37
  nop
  nop
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: tag: D54
type_infered: f64
name: disassemble_data
arguments: tag: D139
type_infered: f64
name: disassemble_data
arguments: tag: D77
type_infered: f32[2]
name: disassemble_data
arguments: tag: D19
type_infered: f64
name: disassemble_data
arguments: tag: D59
type_infered: string
name: disassemble_data
arguments: tag: D109
type_infered: string
name: disassemble_data
arguments: tag: D56
type_infered: string
name: disassemble_data
arguments: tag: D20
type_infered: string
name: disassemble_data
arguments: tag: D129
type_infered: string
name: disassemble_data
arguments: tag: D3
type_infered: string

tool: D54: 6.28318530717959

tool: D139: 0.5

tool: {"D77": [0.0,-2.0]}

tool: D19: 1

tool: D59: >>> Inicio do while -> mmax:%lu


tool: D109:      processa em thread

tool: D56:      qtdBlocos:%lu


tool: D20:      processa na main

tool: D129:      >>> FOR 1 -> m:%lu mmax:%lu


tool: D3: <<< 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);
    }
  }
}
```