user: 这段汇编代码用C语言表示是什么样的:

```asm
<advect>:
  endbr64
  push   %r15
  pxor   %xmm5,%xmm5
  mov    %edi,%eax
  push   %r14
  cvtsi2ss %edi,%xmm5
  push   %r13
  push   %r12
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  mulss  %xmm0,%xmm5
  mov    %esi,-0xc(%rsp)
  mov    0x38(%rsp),%rsi
  mov    %edi,-0x10(%rsp)
  mov    %rsi,-0x38(%rsp)
  test   %edi,%edi
  jle    L43
  lea    0x2(%rax),%r12d
  pxor   %xmm3,%xmm3
  mov    %eax,%esi
  mov    %rcx,%rdi
  mov    %r12d,%r13d
  cvtsi2sd %eax,%xmm3
  movslq %r12d,%rdx
  add    $0x1,%esi
  imul   %r12d,%r13d
  mov    %esi,-0x44(%rsp)
  movsd  D13(%rip),%xmm7
  lea    0x0(,%rdx,4),%rsi
  mov    %rsi,-0x28(%rsp)
  mov    %r8,%r14
  mov    %r9,%r15
  movss  D4(%rip),%xmm4
  movl   $0x1,-0x1c(%rsp)
  movss  D23(%rip),%xmm6
  movslq %r13d,%rax
  addsd  %xmm7,%xmm3
  lea    0x1(%rax,%rdx,1),%rcx
  shl    $0x2,%rax
  lea    0x0(,%rcx,4),%rbx
  mov    %rax,-0x40(%rsp)
  mov    %rbx,-0x18(%rsp)
L1:
  mov    -0x18(%rsp),%rax
  pxor   %xmm9,%xmm9
  movl   $0x1,-0x20(%rsp)
  cvtsi2ssl -0x1c(%rsp),%xmm9
  mov    %rax,-0x30(%rsp)
  xchg   %ax,%ax
L70:
  pxor   %xmm8,%xmm8
  mov    -0x30(%rsp),%r9
  mov    $0x1,%r11d
  cvtsi2ssl -0x20(%rsp),%xmm8
  jmp    L97
  nopl   0x0(%rax)
L16:
  pxor   %xmm2,%xmm2
  cvtss2sd %xmm10,%xmm2
L29:
  comisd %xmm3,%xmm2
  jbe    L33
  pxor   %xmm10,%xmm10
  cvtsd2ss %xmm3,%xmm10
L33:
  comiss %xmm0,%xmm4
  ja     L134
  pxor   %xmm2,%xmm2
  cvtss2sd %xmm0,%xmm2
L103:
  comisd %xmm3,%xmm2
  jbe    L13
  pxor   %xmm0,%xmm0
  cvtsd2ss %xmm3,%xmm0
L13:
  comiss %xmm1,%xmm4
  ja     L112
  pxor   %xmm2,%xmm2
  cvtss2sd %xmm1,%xmm2
L3:
  comisd %xmm3,%xmm2
  jbe    L77
  pxor   %xmm1,%xmm1
  cvtsd2ss %xmm3,%xmm1
L77:
  pxor   %xmm2,%xmm2
  cvttss2si %xmm0,%eax
  movaps %xmm6,%xmm11
  add    $0x1,%r11d
  cvttss2si %xmm10,%ecx
  pxor   %xmm12,%xmm12
  cvttss2si %xmm1,%edx
  cvtsi2ss %ecx,%xmm2
  lea    0x1(%rcx),%ebx
  cvtsi2ss %edx,%xmm12
  imul   %r13d,%edx
  subss  %xmm2,%xmm10
  pxor   %xmm2,%xmm2
  cvtsi2ss %eax,%xmm2
  subss  %xmm12,%xmm1
  movaps %xmm6,%xmm12
  imul   %r12d,%eax
  lea    0x0(%r13,%rdx,1),%esi
  subss  %xmm1,%xmm12
  subss  %xmm2,%xmm0
  lea    (%rax,%rcx,1),%r8d
  movaps %xmm1,%xmm2
  lea    (%r12,%rax,1),%r10d
  add    %ebx,%eax
  add    %r10d,%ecx
  add    %ebx,%r10d
  lea    (%r8,%rdx,1),%ebx
  add    %esi,%r8d
  subss  %xmm0,%xmm11
  movslq %ebx,%rbx
  movslq %r8d,%r8
  movaps %xmm11,%xmm1
  mulss  %xmm12,%xmm1
  mulss  %xmm0,%xmm12
  mulss  %xmm2,%xmm11
  mulss  %xmm2,%xmm0
  movss  (%rdi,%rbx,4),%xmm2
  lea    (%rdx,%rcx,1),%ebx
  add    %esi,%ecx
  movslq %ebx,%rbx
  movslq %ecx,%rcx
  movss  (%rdi,%rbx,4),%xmm13
  mulss  %xmm1,%xmm2
  mulss  %xmm12,%xmm13
  addss  %xmm13,%xmm2
  movss  (%rdi,%r8,4),%xmm13
  mulss  %xmm11,%xmm13
  addss  %xmm13,%xmm2
  movss  (%rdi,%rcx,4),%xmm13
  lea    (%rdx,%rax,1),%ecx
  add    %esi,%eax
  add    %r10d,%edx
  movslq %ecx,%rcx
  cltq
  add    %r10d,%esi
  mulss  (%rdi,%rcx,4),%xmm1
  movslq %edx,%rdx
  movslq %esi,%rsi
  mulss  (%rdi,%rdx,4),%xmm12
  mulss  (%rdi,%rax,4),%xmm11
  mulss  %xmm0,%xmm13
  mulss  (%rdi,%rsi,4),%xmm0
  addss  %xmm12,%xmm1
  addss  %xmm13,%xmm2
  movaps %xmm6,%xmm13
  addss  %xmm11,%xmm1
  subss  %xmm10,%xmm13
  addss  %xmm1,%xmm0
  mulss  %xmm13,%xmm2
  mulss  %xmm10,%xmm0
  addss  %xmm2,%xmm0
  movss  %xmm0,0x0(%rbp,%r9,1)
  add    -0x40(%rsp),%r9
  cmp    -0x44(%rsp),%r11d
  je     L19
L97:
  movss  (%r14,%r9,1),%xmm0
  movss  (%r15,%r9,1),%xmm1
  movaps %xmm9,%xmm10
  mov    -0x38(%rsp),%rax
  mulss  %xmm5,%xmm0
  mulss  %xmm5,%xmm1
  movss  (%rax,%r9,1),%xmm2
  mulss  %xmm5,%xmm2
  subss  %xmm0,%xmm10
  movaps %xmm8,%xmm0
  subss  %xmm1,%xmm0
  pxor   %xmm1,%xmm1
  cvtsi2ss %r11d,%xmm1
  comiss %xmm10,%xmm4
  subss  %xmm2,%xmm1
  jbe    L16
  movapd %xmm7,%xmm2
  movaps %xmm4,%xmm10
  jmp    L29
  nopl   0x0(%rax)
L112:
  movapd %xmm7,%xmm2
  movaps %xmm4,%xmm1
  jmp    L3
  nopl   0x0(%rax)
L134:
  movapd %xmm7,%xmm2
  movaps %xmm4,%xmm0
  jmp    L103
  nopl   0x0(%rax)
L19:
  addl   $0x1,-0x20(%rsp)
  mov    -0x28(%rsp),%rbx
  mov    -0x20(%rsp),%eax
  add    %rbx,-0x30(%rsp)
  cmp    -0x44(%rsp),%eax
  jne    L70
  addl   $0x1,-0x1c(%rsp)
  mov    -0x1c(%rsp),%eax
  addq   $0x4,-0x18(%rsp)
  cmp    -0x44(%rsp),%eax
  jne    L1
L43:
  mov    -0xc(%rsp),%edx
  mov    -0x10(%rsp),%edi
  mov    %rbp,%rsi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1050 <boundary_condition@plt>
```

tool_calls: name: extract_symbolic_data
arguments: label: D13
datatype: f64
name: extract_symbolic_data
arguments: label: D4
datatype: byte[4]
name: extract_symbolic_data
arguments: label: D23
datatype: byte[4]

tool: D13: 0.5

tool: {"D4": [0x00,0x00,0x00,0x3f]}

tool: {"D23": [0x00,0x00,0x80,0x3f]}

assistant: ```c
void advect(int N, int b, float *density, float *density_prev, float *velocity_u, float *velocity_v, float *velocity_w, float dt) {
  int count_x;
  int count_y;
  int count_z;
  int i0;
  int j0;
  int k0;
  int i1;
  int j1;
  int k1;
  float x;
  float y;
  float z;
  float s0;
  float t0;
  float s1;
  float t1;
  float u1;
  float u0;
  float dh;
  dh = dt * N;
  for (count_x = 1; count_x <= N; count_x++) {
    for (count_y = 1; count_y <= N; count_y++) {
      for (count_z = 1; count_z <= N; count_z++) {
        x = count_x - dh * velocity_u[((count_x) + (N + 2) * (count_y) + (N + 2) * (N + 2) * (count_z))];
        y = count_y - dh * velocity_v[((count_x) + (N + 2) * (count_y) + (N + 2) * (N + 2) * (count_z))];
        z = count_z - dh * velocity_w[((count_x) + (N + 2) * (count_y) + (N + 2) * (N + 2) * (count_z))];
        if (x < 0.5) {
          x = 0.5;
        }
        if (x > N + 0.5) {
          x = (float)(N + 0.5);
        }
        if (y < 0.5) {
          y = 0.5;
        }
        if (y > N + 0.5) {
          y = (float)(N + 0.5);
        }
        if (z < 0.5) {
          z = 0.5;
        }
        if (z > N + 0.5) {
          z = (float)(N + 0.5);
        }
        i0 = (int)x;
        i1 = i0 + 1;
        j0 = (int)y;
        j1 = j0 + 1;
        k0 = (int)z;
        k1 = k0 + 1;
        s1 = x - i0;
        s0 = 1 - s1;
        t1 = y - j0;
        t0 = 1 - t1;
        u1 = z - k0;
        u0 = 1 - u1;
        density[((count_x) + (N + 2) * (count_y) + (N + 2) * (N + 2) * (count_z))] = s0 * (t0 * u0 * density_prev[((i0) + (N + 2) * (j0) + (N + 2) * (N + 2) * (k0))] + t1 * u0 * density_prev[((i0) + (N + 2) * (j1) + (N + 2) * (N + 2) * (k0))] + t0 * u1 * density_prev[((i0) + (N + 2) * (j0) + (N + 2) * (N + 2) * (k1))] + t1 * u1 * density_prev[((i0) + (N + 2) * (j1) + (N + 2) * (N + 2) * (k1))]) + s1 * (t0 * u0 * density_prev[((i1) + (N + 2) * (j0) + (N + 2) * (N + 2) * (k0))] + t1 * u0 * density_prev[((i1) + (N + 2) * (j1) + (N + 2) * (N + 2) * (k0))] + t0 * u1 * density_prev[((i1) + (N + 2) * (j0) + (N + 2) * (N + 2) * (k1))] + t1 * u1 * density_prev[((i1) + (N + 2) * (j1) + (N + 2) * (N + 2) * (k1))]);
      }
    }
  }
  boundary_condition(N, density, b);
}
```