user: 这段汇编代码用C语言表示是什么样的：

```asm
<fmod>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  movq   %xmm0,%r13
  movsd  %xmm1,0x8(%rsp)
  movq   %xmm0,0x18(%rsp)
  mov    0x8(%rsp),%r14
  mov    %r14d,0x14(%rsp)
  mov    %r14d,%ebx
  add    %ebx,%ebx
  jne    L250
L86:
  movq   %r13,%xmm0
  mulsd  0x8(%rsp),%xmm0
  divsd  %xmm0,%xmm0
L164:
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L250:
  movq   %xmm0,%r15
  mov    %r13d,%ebp
  mov    %r13d,%r12d
  mov    $0x34,%ecx
  sar    %cl,%r12d
  and    $0x7ff,%r12d
  movapd %xmm1,%xmm0
  call   <isnan@plt>
  cmp    $0x7ff,%r12d
  je     L86
  test   %rax,%rax
  jne    L86
  lea    0x0(%r13,%r13,1),%eax
  cmp    %eax,%ebx
  jl     L161
  movq   %r13,%xmm0
  jne    L164
  mulsd  D27(%rip),%xmm0
  jmp    L164
L161:
  test   %r12d,%r12d
  jne    L202
  mov    %r13d,%eax
  shl    $0xc,%eax
  mov    %eax,%edx
  mov    $0x3f,%ecx
  sar    %cl,%edx
  test   %edx,%edx
  jne    L15
L267:
  sub    $0x1,%edx
  add    %eax,%eax
  mov    %eax,%esi
  mov    $0x3f,%ecx
  sar    %cl,%esi
  test   %esi,%esi
  je     L267
L200:
  mov    $0x1,%ecx
  sub    %edx,%ecx
  mov    %r15d,%ebp
  shl    %cl,%ebp
  mov    %edx,%r12d
L202:
  mov    0x14(%rsp),%eax
  mov    %eax,%edx
  mov    $0x34,%ecx
  sar    %cl,%edx
  and    $0x7ff,%edx
  jne    L270
  shl    $0xc,%eax
  mov    %eax,%esi
  mov    $0x3f,%ecx
  sar    %cl,%esi
  test   %esi,%esi
  jne    L116
L92:
  sub    $0x1,%esi
  add    %eax,%eax
  mov    %eax,%edx
  mov    $0x3f,%ecx
  sar    %cl,%edx
  test   %edx,%edx
  je     L92
L222:
  mov    $0x1,%ecx
  sub    %esi,%ecx
  mov    0x14(%rsp),%eax
  shl    %cl,%eax
  movabs $0xffffffff00000000,%rdx
  and    %r14,%rdx
  or     %rax,%rdx
  mov    %rdx,%r14
  mov    %esi,%edx
L270:
  mov    %r14d,%esi
  cmp    %edx,%r12d
  jg     L211
  mov    %r12d,%edx
L190:
  mov    %ebp,%eax
  sub    %r14d,%eax
  mov    %eax,%esi
  mov    $0x3f,%ecx
  sar    %cl,%esi
  test   %esi,%esi
  je     L144
L177:
  mov    %ebp,%eax
  mov    $0x34,%ecx
  sar    %cl,%eax
  test   %eax,%eax
  jne    L210
L179:
  add    %ebp,%ebp
  sub    $0x1,%edx
  mov    %ebp,%eax
  mov    $0x34,%ecx
  sar    %cl,%eax
  test   %eax,%eax
  je     L179
L210:
  test   %edx,%edx
  jle    L252
L90:
  mov    %ebp,%eax
  movabs $0xffffffff00000000,%rdx
  and    0x18(%rsp),%rdx
  or     %rax,%rdx
  movq   %rdx,%xmm0
  jmp    L164
L15:
  mov    %r12d,%edx
  jmp    L200
L116:
  mov    %edx,%esi
  jmp    L222
L187:
  movq   %r13,%xmm0
  mulsd  D27(%rip),%xmm0
  jmp    L164
L4:
  add    %ebp,%ebp
  sub    $0x1,%r12d
  cmp    %edx,%r12d
  je     L190
L211:
  mov    %ebp,%eax
  sub    %esi,%eax
  mov    %eax,%edi
  mov    $0x3f,%ecx
  sar    %cl,%edi
  test   %edi,%edi
  jne    L4
  test   %eax,%eax
  je     L187
  mov    %eax,%ebp
  jmp    L4
L144:
  mov    %eax,%ebp
  test   %eax,%eax
  jne    L177
  movq   %r13,%xmm0
  mulsd  D27(%rip),%xmm0
  jmp    L164
L252:
  mov    $0x1,%ecx
  sub    %edx,%ecx
  sar    %cl,%ebp
  jmp    L90
```

tool_calls: name: extract_symbolic_data
arguments: label: D27
type_guessed: byte[8]

tool: {"D27": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00]}

assistant: ```c
double fmod(double x, double y) {
  union {
    double f;
    uint64_t i;
  } ux = {x}, uy = {y};
  int ex = ux.i >> 52 & 0x7ff;
  int ey = uy.i >> 52 & 0x7ff;
  int sx = ux.i >> 63;
  uint64_t i;
  uint64_t uxi = ux.i;
  if (uy.i << 1 == 0 || isnan(y) || ex == 0x7ff)
    return (x * y) / (x * y);
  if (uxi << 1 <= uy.i << 1) {
    if (uxi << 1 == uy.i << 1)
      return 0 * x;
    return x;
  }
  if (!ex) {
    for (i = uxi << 12; i >> 63 == 0; ex--, i <<= 1)
      ;
    uxi <<= -ex + 1;
  } else {
    uxi &= -1ULL >> 12;
    uxi |= 1ULL << 52;
  }
  if (!ey) {
    for (i = uy.i << 12; i >> 63 == 0; ey--, i <<= 1)
      ;
    uy.i <<= -ey + 1;
  } else {
    uy.i &= -1ULL >> 12;
    uy.i |= 1ULL << 52;
  }
  for (; ex > ey; ex--) {
    i = uxi - uy.i;
    if (i >> 63 == 0) {
      if (i == 0)
        return 0 * x;
      uxi = i;
    }
    uxi <<= 1;
  }
  i = uxi - uy.i;
  if (i >> 63 == 0) {
    if (i == 0)
      return 0 * x;
    uxi = i;
  }
  for (; uxi >> 52 == 0; uxi <<= 1, ex--)
    ;
  if (ex > 0) {
    uxi -= 1ULL << 52;
    uxi |= (uint64_t)ex << 52;
  } else {
    uxi >>= -ex + 1;
  }
  uxi |= (uint64_t)sx << 63;
  ux.i = uxi;
  return ux.f;
}
```