user: 下面的汇编指令对应的C源代码是什么:

```asm
<__mac_c>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x24(%rbp)
  cmpl   $0x18,-0x24(%rbp)
  je     L32
  cmpl   $0x18,-0x24(%rbp)
  ja     L63
  cmpl   $0x9,-0x24(%rbp)
  je     L74
  cmpl   $0x12,-0x24(%rbp)
  je     L45
  jmp    L63
L74:
  mov    -0x18(%rbp),%rax
  mov    -0x20(%rbp),%rdx
  flds   (%rax)
  fmuls  (%rdx)
  flds   0x4(%rax)
  fmuls  0x4(%rdx)
  flds   0x8(%rax)
  fmuls  0x8(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0xc(%rax)
  fmuls  0xc(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x10(%rax)
  fmuls  0x10(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x14(%rax)
  fmuls  0x14(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x18(%rax)
  fmuls  0x18(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x1c(%rax)
  fmuls  0x1c(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x20(%rax)
  fmuls  0x20(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  faddp  %st,%st(1)
  fstps  -0x4(%rbp)
  movss  -0x4(%rbp),%xmm0
  jmp    L23
L45:
  mov    -0x18(%rbp),%rax
  mov    -0x20(%rbp),%rdx
  flds   (%rax)
  fmuls  (%rdx)
  flds   0x4(%rax)
  fmuls  0x4(%rdx)
  flds   0x8(%rax)
  fmuls  0x8(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0xc(%rax)
  fmuls  0xc(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x10(%rax)
  fmuls  0x10(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x14(%rax)
  fmuls  0x14(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x18(%rax)
  fmuls  0x18(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x1c(%rax)
  fmuls  0x1c(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x20(%rax)
  fmuls  0x20(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x24(%rax)
  fmuls  0x24(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x28(%rax)
  fmuls  0x28(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x2c(%rax)
  fmuls  0x2c(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x30(%rax)
  fmuls  0x30(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x34(%rax)
  fmuls  0x34(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x38(%rax)
  fmuls  0x38(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x3c(%rax)
  fmuls  0x3c(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x40(%rax)
  fmuls  0x40(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x44(%rax)
  fmuls  0x44(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  faddp  %st,%st(1)
  fstps  -0x4(%rbp)
  movss  -0x4(%rbp),%xmm0
  jmp    L23
L32:
  mov    -0x18(%rbp),%rax
  mov    -0x20(%rbp),%rdx
  flds   (%rax)
  fmuls  (%rdx)
  flds   0x4(%rax)
  fmuls  0x4(%rdx)
  flds   0x8(%rax)
  fmuls  0x8(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0xc(%rax)
  fmuls  0xc(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x10(%rax)
  fmuls  0x10(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x14(%rax)
  fmuls  0x14(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x18(%rax)
  fmuls  0x18(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x1c(%rax)
  fmuls  0x1c(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x20(%rax)
  fmuls  0x20(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x24(%rax)
  fmuls  0x24(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x28(%rax)
  fmuls  0x28(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x2c(%rax)
  fmuls  0x2c(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x30(%rax)
  fmuls  0x30(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x34(%rax)
  fmuls  0x34(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x38(%rax)
  fmuls  0x38(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x3c(%rax)
  fmuls  0x3c(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x40(%rax)
  fmuls  0x40(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x44(%rax)
  fmuls  0x44(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x48(%rax)
  fmuls  0x48(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x4c(%rax)
  fmuls  0x4c(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x50(%rax)
  fmuls  0x50(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x54(%rax)
  fmuls  0x54(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x58(%rax)
  fmuls  0x58(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  flds   0x5c(%rax)
  fmuls  0x5c(%rdx)
  fxch   %st(2)
  faddp  %st,%st(1)
  faddp  %st,%st(1)
  fstps  -0x4(%rbp)
  movss  -0x4(%rbp),%xmm0
  jmp    L23
L63:
  mov    -0x24(%rbp),%eax
  mov    %eax,%esi
  lea    D4(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    -0x24(%rbp),%edx
  mov    -0x20(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <__mac_g@plt>
  pxor   %xmm0,%xmm0
  cvtsi2ss %eax,%xmm0
L23:
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: label: D4
data_type: string

tool: D4: Warning: optimize __mac_c(..., ..., %d)


assistant: ```c
extern float __mac_c(const float *a, const float *b, unsigned int size) {
  float f;
  switch (size) {
  case 9:
    asm volatile("flds (%1);\n\t"
                 "fmuls (%2);\n\t"
                 "flds 4(%1);\n\t"
                 "fmuls 4(%2);\n\t"
                 "flds 8(%1);\n\t"
                 "fmuls 8(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 12(%1);\n\t"
                 "fmuls 12(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 16(%1);\n\t"
                 "fmuls 16(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 20(%1);\n\t"
                 "fmuls 20(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 24(%1);\n\t"
                 "fmuls 24(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 28(%1);\n\t"
                 "fmuls 28(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 32(%1);\n\t"
                 "fmuls 32(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "faddp;\n\t"
                 : "=t"(f)
                 : "r"(a), "r"(b)
                 : "memory");
    return f;
  case 18:
    asm volatile("flds (%1);\n\t"
                 "fmuls (%2);\n\t"
                 "flds 4(%1);\n\t"
                 "fmuls 4(%2);\n\t"
                 "flds 8(%1);\n\t"
                 "fmuls 8(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 12(%1);\n\t"
                 "fmuls 12(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 16(%1);\n\t"
                 "fmuls 16(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 20(%1);\n\t"
                 "fmuls 20(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 24(%1);\n\t"
                 "fmuls 24(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 28(%1);\n\t"
                 "fmuls 28(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 32(%1);\n\t"
                 "fmuls 32(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 36(%1);\n\t"
                 "fmuls 36(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 40(%1);\n\t"
                 "fmuls 40(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 44(%1);\n\t"
                 "fmuls 44(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 48(%1);\n\t"
                 "fmuls 48(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 52(%1);\n\t"
                 "fmuls 52(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 56(%1);\n\t"
                 "fmuls 56(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 60(%1);\n\t"
                 "fmuls 60(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 64(%1);\n\t"
                 "fmuls 64(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 68(%1);\n\t"
                 "fmuls 68(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "faddp;\n\t"
                 : "=t"(f)
                 : "r"(a), "r"(b)
                 : "memory");
    return f;
  case 24:
    asm volatile("flds (%1);\n\t"
                 "fmuls (%2);\n\t"
                 "flds 4(%1);\n\t"
                 "fmuls 4(%2);\n\t"
                 "flds 8(%1);\n\t"
                 "fmuls 8(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 12(%1);\n\t"
                 "fmuls 12(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 16(%1);\n\t"
                 "fmuls 16(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 20(%1);\n\t"
                 "fmuls 20(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 24(%1);\n\t"
                 "fmuls 24(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 28(%1);\n\t"
                 "fmuls 28(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 32(%1);\n\t"
                 "fmuls 32(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 36(%1);\n\t"
                 "fmuls 36(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 40(%1);\n\t"
                 "fmuls 40(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 44(%1);\n\t"
                 "fmuls 44(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 48(%1);\n\t"
                 "fmuls 48(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 52(%1);\n\t"
                 "fmuls 52(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 56(%1);\n\t"
                 "fmuls 56(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 60(%1);\n\t"
                 "fmuls 60(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 64(%1);\n\t"
                 "fmuls 64(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 68(%1);\n\t"
                 "fmuls 68(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 72(%1);\n\t"
                 "fmuls 72(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 76(%1);\n\t"
                 "fmuls 76(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 80(%1);\n\t"
                 "fmuls 80(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 84(%1);\n\t"
                 "fmuls 84(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 88(%1);\n\t"
                 "fmuls 88(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "flds 92(%1);\n\t"
                 "fmuls 92(%2);\n\t"
                 "fxch %%st(2);\n\t"
                 "faddp;\n\t"
                 "faddp;\n\t"
                 : "=t"(f)
                 : "r"(a), "r"(b)
                 : "memory");
    return f;
  default:
    printf("Warning: optimize __mac_c(..., ..., %d)\n", size);
    return __mac_g(a, b, size);
  }
}
```