user: 请从给定的汇编指令推导出C源代码：

```asm
<FloatUnpacker_sse2>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x58,%rsp
  mov    %edx,0x44(%rsp)
  mov    %ecx,0x40(%rsp)
  cmp    $0x7,%edx
  jg     L56
L33:
  mov    0x44(%rsp),%eax
  add    $0x58,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L56:
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  mov    %r8d,%r12d
  and    $0xfffffff8,%edx
  mov    %edx,%r14d
  mov    %edx,0x44(%rsp)
  mov    %r9d,%edi
  shl    $0x17,%edi
  call   <_mm_set1_epi32@plt>
  mov    %rax,0x18(%rsp)
  mov    $0x80000000,%edi
  call   <_mm_set1_epi32@plt>
  mov    %rax,0x20(%rsp)
  mov    %r12d,%edi
  call   <_mm_set1_epi32@plt>
  mov    %rax,0x28(%rsp)
  mov    $0xffffff,%edi
  call   <_mm_set1_epi32@plt>
  mov    %rax,%r15
  mov    $0x7fffff,%edi
  call   <_mm_set1_epi32@plt>
  mov    %rax,(%rsp)
  cmpl   $0x0,0x90(%rsp)
  je     L17
  mov    %rbp,0x30(%rsp)
  mov    %rbx,%r13
  lea    -0x1(%r14),%eax
  shr    $0x3,%eax
  mov    %eax,%eax
  shl    $0x5,%rax
  lea    0x20(%rbx,%rax,1),%rax
  mov    %rax,0x48(%rsp)
L29:
  mov    0x30(%rsp),%rdi
  call   <_mm_load_si128@plt>
  mov    %rax,%rbx
  mov    0x8(%rsp),%rsi
  mov    %rsi,%rdi
  call   <_mm_xor_si128@plt>
  mov    %rax,%rbp
  mov    %rax,%rsi
  mov    %rbx,%rdi
  call   <_mm_unpacklo_epi16@plt>
  mov    %rax,%r12
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <_mm_unpackhi_epi16@plt>
  mov    %rax,%rbx
  mov    $0xb1,%esi
  mov    %r12,%rdi
  call   <_mm_shuffle_epi32@plt>
  mov    %rax,%rbp
  mov    $0xb1,%esi
  mov    %rbx,%rdi
  call   <_mm_shuffle_epi32@plt>
  mov    %rax,%rbx
  mov    0x40(%rsp),%r14d
  mov    %r14d,%esi
  mov    %rbp,%rdi
  call   <_mm_slli_epi32@plt>
  mov    %rax,%rbp
  mov    %r14d,%esi
  mov    %rbx,%rdi
  call   <_mm_slli_epi32@plt>
  mov    %rax,%rbx
  mov    0x28(%rsp),%r14
  mov    %r14,%rsi
  mov    %rbp,%rdi
  call   <_mm_add_epi32@plt>
  mov    %rax,%rbp
  mov    %r14,%rsi
  mov    %rbx,%rdi
  call   <_mm_add_epi32@plt>
  mov    %rax,%rbx
  mov    0x20(%rsp),%r14
  mov    %r14,%rsi
  mov    %rbp,%rdi
  call   <_mm_and_si128@plt>
  mov    %rax,0x10(%rsp)
  mov    %r14,%rsi
  mov    %rbx,%rdi
  call   <_mm_and_si128@plt>
  mov    %rax,0x38(%rsp)
  mov    $0x1f,%esi
  mov    %rbp,%rdi
  call   <_mm_srai_epi32@plt>
  mov    %rax,%r14
  mov    $0x1f,%esi
  mov    %rbx,%rdi
  call   <_mm_srai_epi32@plt>
  mov    %rax,%r12
  mov    %r14,%rsi
  mov    %rbp,%rdi
  call   <_mm_add_epi32@plt>
  mov    %rax,%rbp
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <_mm_add_epi32@plt>
  mov    %rax,%rbx
  mov    %r14,%rsi
  mov    %rbp,%rdi
  call   <_mm_xor_si128@plt>
  mov    %rax,%rbp
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <_mm_xor_si128@plt>
  mov    %rax,%rbx
  mov    %rbp,%rsi
  mov    %r15,%rdi
  call   <_mm_cmplt_epi32@plt>
  mov    %rax,%r14
  mov    %rax,0x8(%rsp)
  mov    %rbx,%rsi
  mov    %r15,%rdi
  call   <_mm_cmplt_epi32@plt>
  mov    %rax,%r12
  mov    %r14,%rsi
  mov    %rbp,%rdi
  call   <_mm_or_si128@plt>
  mov    %rax,%rbp
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <_mm_or_si128@plt>
  mov    %rax,%rbx
  mov    %r15,%rsi
  mov    %rbp,%rdi
  call   <_mm_and_si128@plt>
  mov    %rax,%rbp
  mov    %r15,%rsi
  mov    %rbx,%rdi
  call   <_mm_and_si128@plt>
  mov    %rax,%r14
  mov    0x18(%rsp),%rbx
  mov    %rbx,%rsi
  mov    0x10(%rsp),%rdi
  call   <_mm_or_si128@plt>
  mov    %rax,%r12
  mov    %rbx,%rsi
  mov    0x38(%rsp),%rdi
  call   <_mm_or_si128@plt>
  mov    %rax,0x10(%rsp)
  mov    $0x8,%esi
  mov    %rbp,0x38(%rsp)
  mov    %rbp,%rdi
  call   <_mm_slli_epi32@plt>
  mov    %rax,%rbp
  mov    $0x8,%esi
  mov    %r14,%rdi
  call   <_mm_slli_epi32@plt>
  mov    %rax,%rbx
  mov    $0x1f,%esi
  mov    %rbp,%rdi
  call   <_mm_srai_epi32@plt>
  mov    %rax,%rbp
  mov    $0x1f,%esi
  mov    %rbx,%rdi
  call   <_mm_srai_epi32@plt>
  mov    %rax,%rbx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <_mm_andnot_si128@plt>
  mov    %rax,%rbp
  mov    0x10(%rsp),%rsi
  mov    %rbx,%rdi
  call   <_mm_andnot_si128@plt>
  mov    %rax,%rbx
  mov    (%rsp),%rsi
  mov    0x38(%rsp),%rdi
  call   <_mm_and_si128@plt>
  mov    %rax,0x38(%rsp)
  mov    (%rsp),%rsi
  mov    %r14,%rdi
  call   <_mm_and_si128@plt>
  mov    %rax,%r14
  mov    0x38(%rsp),%rsi
  mov    %r12,%rdi
  call   <_mm_or_si128@plt>
  mov    %rax,%r12
  mov    %r14,%rsi
  mov    0x10(%rsp),%rdi
  call   <_mm_or_si128@plt>
  mov    %rax,%r14
  mov    %r12d,%edi
  mov    %ebp,%esi
  call   <_mm_sub_ps@plt>
  mov    %rax,%rbp
  mov    %r14d,%edi
  mov    %ebx,%esi
  call   <_mm_sub_ps@plt>
  mov    %rax,%rbx
  mov    %ebp,%esi
  mov    %r13,%rdi
  call   <_mm_storeu_ps@plt>
  lea    0x10(%r13),%rdi
  mov    %ebx,%esi
  call   <_mm_storeu_ps@plt>
  addq   $0x10,0x30(%rsp)
  add    $0x20,%r13
  cmp    0x48(%rsp),%r13
  jne    L29
  jmp    L33
L17:
  mov    %rbp,0x30(%rsp)
  mov    %rbx,%r13
  mov    0x44(%rsp),%eax
  sub    $0x1,%eax
  shr    $0x3,%eax
  mov    %eax,%eax
  shl    $0x5,%rax
  lea    0x20(%rbx,%rax,1),%rax
  mov    %rax,0x48(%rsp)
L42:
  mov    0x30(%rsp),%rdi
  call   <_mm_load_si128@plt>
  mov    %rax,%rbx
  mov    0x8(%rsp),%rsi
  mov    %rsi,%rdi
  call   <_mm_xor_si128@plt>
  mov    %rax,%rbp
  mov    %rax,%rsi
  mov    %rbx,%rdi
  call   <_mm_unpacklo_epi16@plt>
  mov    %rax,%r12
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <_mm_unpackhi_epi16@plt>
  mov    %rax,%rbx
  mov    0x40(%rsp),%r14d
  mov    %r14d,%esi
  mov    %r12,%rdi
  call   <_mm_slli_epi32@plt>
  mov    %rax,%rbp
  mov    %r14d,%esi
  mov    %rbx,%rdi
  call   <_mm_slli_epi32@plt>
  mov    %rax,%rbx
  mov    0x28(%rsp),%r14
  mov    %r14,%rsi
  mov    %rbp,%rdi
  call   <_mm_add_epi32@plt>
  mov    %rax,%rbp
  mov    %r14,%rsi
  mov    %rbx,%rdi
  call   <_mm_add_epi32@plt>
  mov    %rax,%rbx
  mov    0x20(%rsp),%r14
  mov    %r14,%rsi
  mov    %rbp,%rdi
  call   <_mm_and_si128@plt>
  mov    %rax,0x10(%rsp)
  mov    %r14,%rsi
  mov    %rbx,%rdi
  call   <_mm_and_si128@plt>
  mov    %rax,0x38(%rsp)
  mov    $0x1f,%esi
  mov    %rbp,%rdi
  call   <_mm_srai_epi32@plt>
  mov    %rax,%r14
  mov    $0x1f,%esi
  mov    %rbx,%rdi
  call   <_mm_srai_epi32@plt>
  mov    %rax,%r12
  mov    %r14,%rsi
  mov    %rbp,%rdi
  call   <_mm_add_epi32@plt>
  mov    %rax,%rbp
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <_mm_add_epi32@plt>
  mov    %rax,%rbx
  mov    %r14,%rsi
  mov    %rbp,%rdi
  call   <_mm_xor_si128@plt>
  mov    %rax,%rbp
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <_mm_xor_si128@plt>
  mov    %rax,%rbx
  mov    %rbp,%rsi
  mov    %r15,%rdi
  call   <_mm_cmplt_epi32@plt>
  mov    %rax,%r14
  mov    %rax,0x8(%rsp)
  mov    %rbx,%rsi
  mov    %r15,%rdi
  call   <_mm_cmplt_epi32@plt>
  mov    %rax,%r12
  mov    %r14,%rsi
  mov    %rbp,%rdi
  call   <_mm_or_si128@plt>
  mov    %rax,%rbp
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <_mm_or_si128@plt>
  mov    %rax,%rbx
  mov    %r15,%rsi
  mov    %rbp,%rdi
  call   <_mm_and_si128@plt>
  mov    %rax,%rbp
  mov    %r15,%rsi
  mov    %rbx,%rdi
  call   <_mm_and_si128@plt>
  mov    %rax,%r14
  mov    0x18(%rsp),%rbx
  mov    %rbx,%rsi
  mov    0x10(%rsp),%rdi
  call   <_mm_or_si128@plt>
  mov    %rax,%r12
  mov    %rbx,%rsi
  mov    0x38(%rsp),%rdi
  call   <_mm_or_si128@plt>
  mov    %rax,0x10(%rsp)
  mov    $0x8,%esi
  mov    %rbp,0x38(%rsp)
  mov    %rbp,%rdi
  call   <_mm_slli_epi32@plt>
  mov    %rax,%rbp
  mov    $0x8,%esi
  mov    %r14,%rdi
  call   <_mm_slli_epi32@plt>
  mov    %rax,%rbx
  mov    $0x1f,%esi
  mov    %rbp,%rdi
  call   <_mm_srai_epi32@plt>
  mov    %rax,%rbp
  mov    $0x1f,%esi
  mov    %rbx,%rdi
  call   <_mm_srai_epi32@plt>
  mov    %rax,%rbx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <_mm_andnot_si128@plt>
  mov    %rax,%rbp
  mov    0x10(%rsp),%rsi
  mov    %rbx,%rdi
  call   <_mm_andnot_si128@plt>
  mov    %rax,%rbx
  mov    (%rsp),%rsi
  mov    0x38(%rsp),%rdi
  call   <_mm_and_si128@plt>
  mov    %rax,0x38(%rsp)
  mov    (%rsp),%rsi
  mov    %r14,%rdi
  call   <_mm_and_si128@plt>
  mov    %rax,%r14
  mov    0x38(%rsp),%rsi
  mov    %r12,%rdi
  call   <_mm_or_si128@plt>
  mov    %rax,%r12
  mov    %r14,%rsi
  mov    0x10(%rsp),%rdi
  call   <_mm_or_si128@plt>
  mov    %rax,%r14
  mov    %r12d,%edi
  mov    %ebp,%esi
  call   <_mm_sub_ps@plt>
  mov    %rax,%rbp
  mov    %r14d,%edi
  mov    %ebx,%esi
  call   <_mm_sub_ps@plt>
  mov    %rax,%rbx
  mov    %ebp,%esi
  mov    %r13,%rdi
  call   <_mm_storeu_ps@plt>
  lea    0x10(%r13),%rdi
  mov    %ebx,%esi
  call   <_mm_storeu_ps@plt>
  addq   $0x10,0x30(%rsp)
  add    $0x20,%r13
  cmp    0x48(%rsp),%r13
  jne    L42
  jmp    L33
```

assistant: ```c
int FloatUnpacker_sse2(float *dest, void *src, int n, const int Shift2, const int Minimum_, const int MaxExp_, const int stream_32bit) {
  unsigned int *stream32 = (unsigned int *)src;
  unsigned short *stream16 = (unsigned short *)src;
  int __attribute__((aligned(64))) Mantis_[8];
  float __attribute__((aligned(64))) Temp_[8];
  __m128i Mantis0, Mantis1;
  __m128i Temp0, Temp1, Temp02, Temp12, X0, X1, Mask0, Mask1;
  __m128i Minimum, M23, Shift1_31, Xffffff, X7fffff;
  int i, i0, j0, n0, in;
  if (n < 8)
    return (n);
  n0 = n & (~(8 - 1));
  M23 = _mm_set1_epi32(MaxExp_ << 23);
  Shift1_31 = _mm_set1_epi32(1 << 31);
  Minimum = _mm_set1_epi32(Minimum_);
  Xffffff = _mm_set1_epi32(0xffffff);
  X7fffff = _mm_set1_epi32(0x7fffff);
  if (stream_32bit) {
    for (i0 = 0, j0 = 0; i0 < n0; i0 += 8, j0 += 4) {
      in = i0 + 8;
      in = (in > n) ? n : in;
      Mantis0 = _mm_load_si128((const __m128i *)&stream32[j0]);
      Mantis1 = Mantis0;
      X0 = _mm_xor_si128(X0, X0);
      Mantis0 = _mm_unpacklo_epi16(Mantis0, X0);
      Mantis1 = _mm_unpackhi_epi16(Mantis1, X0);
      Mantis0 = _mm_shuffle_epi32(Mantis0, 0xB1);
      Mantis1 = _mm_shuffle_epi32(Mantis1, 0xB1);
      Mantis0 = _mm_slli_epi32(Mantis0, Shift2);
      Mantis1 = _mm_slli_epi32(Mantis1, Shift2);
      Mantis0 = _mm_add_epi32(Mantis0, Minimum);
      Mantis1 = _mm_add_epi32(Mantis1, Minimum);
      Temp02 = _mm_and_si128(Mantis0, Shift1_31);
      Temp12 = _mm_and_si128(Mantis1, Shift1_31);
      Mask0 = _mm_srai_epi32(Mantis0, 31);
      Mask1 = _mm_srai_epi32(Mantis1, 31);
      Mantis0 = _mm_add_epi32(Mantis0, Mask0);
      Mantis1 = _mm_add_epi32(Mantis1, Mask1);
      Mantis0 = _mm_xor_si128(Mantis0, Mask0);
      Mantis1 = _mm_xor_si128(Mantis1, Mask1);
      X0 = Xffffff;
      X1 = Xffffff;
      X0 = _mm_cmplt_epi32(X0, Mantis0);
      X1 = _mm_cmplt_epi32(X1, Mantis1);
      Mantis0 = _mm_or_si128(Mantis0, X0);
      Mantis1 = _mm_or_si128(Mantis1, X1);
      Mantis0 = _mm_and_si128(Mantis0, Xffffff);
      Mantis1 = _mm_and_si128(Mantis1, Xffffff);
      Temp02 = _mm_or_si128(Temp02, M23);
      Temp12 = _mm_or_si128(Temp12, M23);
      Temp0 = Temp02;
      Temp1 = Temp12;
      Mask0 = _mm_slli_epi32(Mantis0, 8);
      Mask1 = _mm_slli_epi32(Mantis1, 8);
      Mask0 = _mm_srai_epi32(Mask0, 31);
      Mask1 = _mm_srai_epi32(Mask1, 31);
      Mask0 = _mm_andnot_si128(Mask0, Temp02);
      Mask1 = _mm_andnot_si128(Mask1, Temp12);
      Mantis0 = _mm_and_si128(Mantis0, X7fffff);
      Mantis1 = _mm_and_si128(Mantis1, X7fffff);
      Temp0 = _mm_or_si128(Temp0, Mantis0);
      Temp1 = _mm_or_si128(Temp1, Mantis1);
      Temp0 = (__m128i)_mm_sub_ps((__m128)Temp0, (__m128)Mask0);
      Temp1 = (__m128i)_mm_sub_ps((__m128)Temp1, (__m128)Mask1);
      _mm_storeu_ps(&dest[i0], (__m128)Temp0);
      _mm_storeu_ps(&dest[i0 + 4], (__m128)Temp1);
    }
  } else {
    for (i0 = 0, j0 = 0; i0 < n0; i0 += 8, j0 += 4) {
      in = i0 + 8;
      in = (in > n) ? n : in;
      Mantis0 = _mm_load_si128((const __m128i *)&stream32[j0]);
      Mantis1 = Mantis0;
      X0 = _mm_xor_si128(X0, X0);
      Mantis0 = _mm_unpacklo_epi16(Mantis0, X0);
      Mantis1 = _mm_unpackhi_epi16(Mantis1, X0);
      Mantis0 = _mm_slli_epi32(Mantis0, Shift2);
      Mantis1 = _mm_slli_epi32(Mantis1, Shift2);
      Mantis0 = _mm_add_epi32(Mantis0, Minimum);
      Mantis1 = _mm_add_epi32(Mantis1, Minimum);
      Temp02 = _mm_and_si128(Mantis0, Shift1_31);
      Temp12 = _mm_and_si128(Mantis1, Shift1_31);
      Mask0 = _mm_srai_epi32(Mantis0, 31);
      Mask1 = _mm_srai_epi32(Mantis1, 31);
      Mantis0 = _mm_add_epi32(Mantis0, Mask0);
      Mantis1 = _mm_add_epi32(Mantis1, Mask1);
      Mantis0 = _mm_xor_si128(Mantis0, Mask0);
      Mantis1 = _mm_xor_si128(Mantis1, Mask1);
      X0 = Xffffff;
      X1 = Xffffff;
      X0 = _mm_cmplt_epi32(X0, Mantis0);
      X1 = _mm_cmplt_epi32(X1, Mantis1);
      Mantis0 = _mm_or_si128(Mantis0, X0);
      Mantis1 = _mm_or_si128(Mantis1, X1);
      Mantis0 = _mm_and_si128(Mantis0, Xffffff);
      Mantis1 = _mm_and_si128(Mantis1, Xffffff);
      Temp02 = _mm_or_si128(Temp02, M23);
      Temp12 = _mm_or_si128(Temp12, M23);
      Temp0 = Temp02;
      Temp1 = Temp12;
      Mask0 = _mm_slli_epi32(Mantis0, 8);
      Mask1 = _mm_slli_epi32(Mantis1, 8);
      Mask0 = _mm_srai_epi32(Mask0, 31);
      Mask1 = _mm_srai_epi32(Mask1, 31);
      Mask0 = _mm_andnot_si128(Mask0, Temp02);
      Mask1 = _mm_andnot_si128(Mask1, Temp12);
      Mantis0 = _mm_and_si128(Mantis0, X7fffff);
      Mantis1 = _mm_and_si128(Mantis1, X7fffff);
      Temp0 = _mm_or_si128(Temp0, Mantis0);
      Temp1 = _mm_or_si128(Temp1, Mantis1);
      Temp0 = (__m128i)_mm_sub_ps((__m128)Temp0, (__m128)Mask0);
      Temp1 = (__m128i)_mm_sub_ps((__m128)Temp1, (__m128)Mask1);
      _mm_storeu_ps(&dest[i0], (__m128)Temp0);
      _mm_storeu_ps(&dest[i0 + 4], (__m128)Temp1);
    }
  }
  return (n0);
}
```