user: 这段汇编代码用C语言表示是什么样的?

```asm
<fn4>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x38,%rsp
  mov    %edi,-0x4c(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  lea    (%rdi,%rdi,2),%r13d
  movslq %r13d,%r13
  shl    $0x3,%r13
  lea    0xf(%r13),%rax
  mov    %rax,%rcx
  and    $0xfffffffffffffff0,%rcx
  and    $0xfffffffffffff000,%rax
  mov    %rsp,%rdx
  sub    %rax,%rdx
L35:
  cmp    %rdx,%rsp
  je     L240
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L35
L240:
  mov    %rcx,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L115
  orq    $0x0,-0x8(%rsp,%rax,1)
L115:
  mov    %rsp,%rbx
  lea    0xf(%r13),%rax
  mov    %rax,%rcx
  and    $0xfffffffffffffff0,%rcx
  and    $0xfffffffffffff000,%rax
  mov    %rsp,%rdx
  sub    %rax,%rdx
L116:
  cmp    %rdx,%rsp
  je     L140
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L116
L140:
  mov    %rcx,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L24
  orq    $0x0,-0x8(%rsp,%rax,1)
L24:
  mov    %rsp,%r12
  lea    0xf(%r13),%rax
  mov    %rax,%rcx
  and    $0xfffffffffffffff0,%rcx
  and    $0xfffffffffffff000,%rax
  mov    %rsp,%rdx
  sub    %rax,%rdx
L85:
  cmp    %rdx,%rsp
  je     L209
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L85
L209:
  mov    %rcx,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L265
  orq    $0x0,-0x8(%rsp,%rax,1)
L265:
  mov    %rsp,-0x58(%rbp)
  lea    0xf(%r13),%rax
  mov    %rax,%rdx
  and    $0xfffffffffffffff0,%rdx
  and    $0xfffffffffffff000,%rax
  mov    %rsp,%rcx
  sub    %rax,%rcx
L154:
  cmp    %rcx,%rsp
  je     L259
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L154
L259:
  mov    %rdx,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L102
  orq    $0x0,-0x8(%rsp,%rax,1)
L102:
  mov    %rsp,%r14
  mov    -0x4c(%rbp),%r15d
  mov    %r15d,%edx
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <fn1@plt>
  mov    %r15d,%ecx
  movslq %r15d,%rax
  mov    -0x58(%rbp),%rdi
  lea    (%rdi,%rax,8),%r15
  mov    %ecx,-0x4c(%rbp)
  mov    %ecx,%edx
  mov    %r15,%rsi
  mov    %r14,%rdi
  call   <fn1@plt>
  mov    -0x4c(%rbp),%ecx
  test   %ecx,%ecx
  jle    L176
  mov    %ecx,%r14d
  mov    $0x0,%eax
  pxor   %xmm4,%xmm4
  movsd  %xmm4,-0x48(%rbp)
  movsd  D9(%rip),%xmm2
  jmp    L104
L76:
  mov    %r13,%rdx
  shr    %rdx
  pxor   %xmm1,%xmm1
  cvtsi2sd %rdx,%xmm1
  addsd  %xmm1,%xmm1
L180:
  movsd  (%rbx,%rax,8),%xmm0
  mulsd  (%r12,%rax,8),%xmm0
  addsd  (%r15,%rax,8),%xmm0
  addsd  %xmm1,%xmm0
  subsd  %xmm1,%xmm0
  addsd  -0x48(%rbp),%xmm0
  movsd  %xmm0,-0x48(%rbp)
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  movapd %xmm0,%xmm1
  addsd  %xmm2,%xmm1
  movsd  %xmm1,(%rbx,%rax,8)
  movapd %xmm2,%xmm1
  subsd  %xmm0,%xmm1
  movsd  %xmm1,(%r12,%rax,8)
  mulsd  %xmm2,%xmm0
  movsd  %xmm0,(%r15,%rax,8)
  add    $0x1,%rax
  cmp    %r14,%rax
  je     L254
L104:
  test   %r13,%r13
  js     L76
  pxor   %xmm1,%xmm1
  cvtsi2sd %r13,%xmm1
  jmp    L180
L254:
  mov    $0x0,%r13d
  jmp    L144
L145:
  mov    $0x0,%eax
  call   <abort@plt>
L136:
  add    $0x1,%r13
  cmp    %r14,%r13
  je     L253
L144:
  mov    %r13d,%eax
  pxor   %xmm0,%xmm0
  cvtsi2sd %r13d,%xmm0
  movsd  D9(%rip),%xmm1
  addsd  %xmm0,%xmm1
  ucomisd (%rbx,%r13,8),%xmm1
  jp     L145
  jne    L145
  movsd  D9(%rip),%xmm1
  subsd  %xmm0,%xmm1
  ucomisd (%r12,%r13,8),%xmm1
  jp     L145
  jne    L145
  add    -0x4c(%rbp),%eax
  cltq
  mulsd  D9(%rip),%xmm0
  mov    -0x58(%rbp),%rsi
  ucomisd (%rsi,%rax,8),%xmm0
  jp     L145
  je     L136
  jmp    L145
L176:
  pxor   %xmm5,%xmm5
  movsd  %xmm5,-0x48(%rbp)
L253:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L51
  movsd  -0x48(%rbp),%xmm0
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L51:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_label: D9
type: f64

tool: D9: 0.5

assistant: ```c
double fn4(int x) {
  double s = 0;
  double b[3 * x], c[3 * x], d[3 * x], e[3 * x];
  int i;
  fn1(b, c, x);
  fn1(e, d + x, x);
#pragma omp target data map(from : b, c[:x], d [x:x], e)
  {
#pragma omp target update to(b, c[:x], d [x:x], e)
#pragma omp target map(c[:x], d [x:x], s)
#pragma omp parallel for reduction(+ : s)
    for (i = 0; i < x; i++) {
      s += b[i] * c[i] + d[x + i] + sizeof(b) - sizeof(c);
      b[i] = i + 0.5;
      c[i] = 0.5 - i;
      d[x + i] = 0.5 * i;
    }
  }
  for (i = 0; i < x; i++)
    if (b[i] != i + 0.5 || c[i] != 0.5 - i || d[x + i] != 0.5 * i)
      abort();
  return s;
}
```