user: Demonstrate the C code that generates the assembly output below:

```asm
<step1>:
  endbr64
  mov    %rsi,%r10
  push   %r14
  mov    %rdi,%r11
  mov    %r9,%rax
  push   %r13
  mov    %rdx,%rdi
  movss  D0(%rip),%xmm0
  mov    %r8,%rdx
  push   %r12
  mov    %r10,%r8
  mov    %rcx,%rsi
  mov    %r11,%rcx
  push   %rbp
  push   %rbx
  mov    0x58(%rsp),%r10
  lea    0x100(%r11),%rbx
  mov    0x50(%rsp),%r9
  nopl   (%rax)
L8:
  mov    (%rcx),%r11d
  pxor   %xmm1,%xmm1
  mov    %r11d,(%rdx)
  mov    (%r8),%r11d
  mov    %r11d,(%rax)
  mov    0x100(%rcx),%r11d
  mov    %r11d,0x4(%rdx)
  mov    0x100(%r8),%r11d
  mov    %r11d,0x4(%rax)
  mov    0x200(%rcx),%r11d
  mov    %r11d,0x8(%rdx)
  mov    0x200(%r8),%r11d
  mov    %r11d,0x8(%rax)
  mov    0x300(%rcx),%r11d
  mov    %r11d,0xc(%rdx)
  mov    0x300(%r8),%r11d
  mov    %r11d,0xc(%rax)
  mov    0x400(%rcx),%r11d
  mov    %r11d,0x10(%rdx)
  mov    0x400(%r8),%r11d
  mov    %r11d,0x10(%rax)
  mov    0x500(%rcx),%r11d
  mov    %r11d,0x14(%rdx)
  mov    0x500(%r8),%r11d
  mov    %r11d,0x14(%rax)
  mov    0x600(%rcx),%r11d
  mov    %r11d,0x18(%rdx)
  mov    0x600(%r8),%r11d
  mov    %r11d,0x18(%rax)
  mov    0x700(%rcx),%r11d
  mov    %r11d,0x1c(%rdx)
  mov    0x700(%r8),%r11d
  mov    %r11d,0x1c(%rax)
  mov    (%rdx),%ebp
  mov    0x10(%rdx),%r12d
  mov    (%rax),%r11d
  add    %ebp,%r12d
  mov    %r12d,(%rdx)
  mov    0x10(%rax),%r12d
  add    %r11d,%r12d
  mov    %r12d,(%rax)
  sub    0x10(%rdx),%ebp
  mov    %ebp,0x10(%rdx)
  sub    0x10(%rax),%r11d
  mov    %r11d,0x10(%rax)
  mov    0x4(%rdx),%ebp
  mov    0x14(%rdx),%r12d
  mov    0x4(%rax),%r11d
  add    %ebp,%r12d
  mov    %r12d,0x4(%rdx)
  mov    0x14(%rax),%r12d
  add    %r11d,%r12d
  mov    %r12d,0x4(%rax)
  sub    0x14(%rdx),%ebp
  mov    %ebp,0x14(%rdx)
  sub    0x14(%rax),%r11d
  mov    %r11d,0x14(%rax)
  mov    0x8(%rdx),%ebp
  mov    0x18(%rdx),%r12d
  mov    0x8(%rax),%r11d
  add    %ebp,%r12d
  mov    %r12d,0x8(%rdx)
  mov    0x18(%rax),%r12d
  add    %r11d,%r12d
  mov    %r12d,0x8(%rax)
  sub    0x18(%rdx),%ebp
  mov    %ebp,0x18(%rdx)
  sub    0x18(%rax),%r11d
  mov    %r11d,0x18(%rax)
  mov    0xc(%rax),%r11d
  mov    0xc(%rdx),%ebp
  mov    0x1c(%rdx),%r12d
  add    %ebp,%r12d
  mov    %r12d,0xc(%rdx)
  mov    0x1c(%rax),%r12d
  add    %r11d,%r12d
  mov    %r12d,0xc(%rax)
  sub    0x1c(%rdx),%ebp
  mov    %ebp,0x1c(%rdx)
  sub    0x1c(%rax),%r11d
  mov    %r11d,0x1c(%rax)
  mov    0x14(%rax),%r11d
  mov    0x14(%rdx),%ebp
  add    %ebp,%r11d
  cvtsi2ss %r11d,%xmm1
  mulss  %xmm0,%xmm1
  cvttss2si %xmm1,%r11d
  pxor   %xmm1,%xmm1
  mov    %r11d,0x14(%rdx)
  mov    0x14(%rax),%r11d
  sub    %ebp,%r11d
  mov    0x18(%rax),%ebp
  cvtsi2ss %r11d,%xmm1
  mulss  %xmm0,%xmm1
  cvttss2si %xmm1,%r11d
  pxor   %xmm1,%xmm1
  mov    %r11d,0x14(%rax)
  mov    0x18(%rdx),%r11d
  mov    %ebp,0x18(%rdx)
  mov    0x1c(%rax),%ebp
  neg    %r11d
  mov    %r11d,0x18(%rax)
  mov    0x1c(%rdx),%r11d
  sub    %r11d,%ebp
  neg    %r11d
  cvtsi2ss %ebp,%xmm1
  mulss  %xmm0,%xmm1
  cvttss2si %xmm1,%ebp
  pxor   %xmm1,%xmm1
  mov    %ebp,0x1c(%rdx)
  sub    0x1c(%rax),%r11d
  cvtsi2ss %r11d,%xmm1
  mulss  %xmm0,%xmm1
  cvttss2si %xmm1,%r11d
  mov    %r11d,0x1c(%rax)
  mov    (%rdx),%ebp
  mov    0x8(%rdx),%r12d
  mov    (%rax),%r11d
  add    %ebp,%r12d
  mov    %r12d,(%rdx)
  mov    0x8(%rax),%r12d
  add    %r11d,%r12d
  mov    %r12d,(%rax)
  sub    0x8(%rdx),%ebp
  mov    %ebp,0x8(%rdx)
  sub    0x8(%rax),%r11d
  mov    %r11d,0x8(%rax)
  mov    0x4(%rdx),%ebp
  mov    0xc(%rdx),%r12d
  mov    0x4(%rax),%r11d
  add    %ebp,%r12d
  mov    %r12d,0x4(%rdx)
  mov    0xc(%rax),%r12d
  add    %r11d,%r12d
  mov    %r12d,0x4(%rax)
  sub    0xc(%rdx),%ebp
  mov    %ebp,0xc(%rdx)
  sub    0xc(%rax),%r11d
  mov    %r11d,0xc(%rax)
  mov    0xc(%rdx),%ebp
  mov    %r11d,0xc(%rdx)
  mov    %ebp,%r11d
  neg    %r11d
  mov    %r11d,0xc(%rax)
  mov    (%rdx),%ebp
  mov    0x4(%rdx),%r12d
  mov    (%rax),%r11d
  add    %ebp,%r12d
  mov    %r12d,(%rdx)
  mov    0x4(%rax),%r12d
  add    %r11d,%r12d
  mov    %r12d,(%rax)
  sub    0x4(%rdx),%ebp
  mov    %ebp,0x4(%rdx)
  sub    0x4(%rax),%r11d
  mov    %r11d,0x4(%rax)
  mov    0x8(%rdx),%ebp
  mov    0xc(%rdx),%r12d
  mov    0x8(%rax),%r11d
  add    %ebp,%r12d
  mov    %r12d,0x8(%rdx)
  mov    0xc(%rax),%r12d
  add    %r11d,%r12d
  mov    %r12d,0x8(%rax)
  sub    0xc(%rdx),%ebp
  mov    %ebp,0xc(%rdx)
  sub    0xc(%rax),%r11d
  mov    %r11d,0xc(%rax)
  mov    0x10(%rdx),%ebp
  mov    0x18(%rdx),%r12d
  mov    0x10(%rax),%r11d
  add    %ebp,%r12d
  mov    %r12d,0x10(%rdx)
  mov    0x18(%rax),%r12d
  add    %r11d,%r12d
  mov    %r12d,0x10(%rax)
  sub    0x18(%rdx),%ebp
  mov    %ebp,0x18(%rdx)
  sub    0x18(%rax),%r11d
  mov    %r11d,0x18(%rax)
  mov    0x14(%rdx),%ebp
  mov    0x1c(%rdx),%r12d
  mov    0x14(%rax),%r11d
  add    %ebp,%r12d
  mov    %r12d,0x14(%rdx)
  mov    0x1c(%rax),%r12d
  add    %r11d,%r12d
  mov    %r12d,0x14(%rax)
  sub    0x1c(%rdx),%ebp
  mov    %ebp,0x1c(%rdx)
  sub    0x1c(%rax),%r11d
  mov    %r11d,0x1c(%rax)
  mov    0x1c(%rdx),%ebp
  mov    %r11d,0x1c(%rdx)
  mov    %ebp,%r11d
  neg    %r11d
  mov    %r11d,0x1c(%rax)
  mov    0x10(%rdx),%ebp
  mov    0x14(%rdx),%r12d
  mov    0x10(%rax),%r11d
  add    %ebp,%r12d
  mov    %r12d,0x10(%rdx)
  mov    0x14(%rax),%r12d
  add    %r11d,%r12d
  mov    %r12d,0x10(%rax)
  sub    0x14(%rdx),%ebp
  mov    %ebp,0x14(%rdx)
  sub    0x14(%rax),%r11d
  mov    %r11d,0x14(%rax)
  mov    0x18(%rdx),%ebp
  mov    0x1c(%rdx),%r12d
  mov    0x18(%rax),%r11d
  add    %ebp,%r12d
  mov    %r12d,0x18(%rdx)
  mov    0x1c(%rax),%r12d
  add    %r11d,%r12d
  mov    %r12d,0x18(%rax)
  sub    0x1c(%rdx),%ebp
  mov    %ebp,0x1c(%rdx)
  sub    0x1c(%rax),%r11d
  cvttss2si (%r9),%ebp
  mov    0x4(%rax),%r14d
  mov    %r11d,0x1c(%rax)
  cvttss2si (%r10),%r11d
  mov    0x4(%rdx),%r13d
  imul   %ebp,%r14d
  mov    %r11d,%r12d
  imul   %r13d,%ebp
  imul   %r13d,%r12d
  sub    %r14d,%r12d
  mov    %r12d,0x4(%rdx)
  imul   0x4(%rax),%r11d
  mov    0x8(%rax),%r14d
  add    %ebp,%r11d
  cvttss2si 0x4(%r9),%ebp
  mov    %r11d,0x4(%rax)
  cvttss2si 0x4(%r10),%r11d
  mov    0x8(%rdx),%r13d
  imul   %ebp,%r14d
  mov    %r11d,%r12d
  imul   %r13d,%r12d
  sub    %r14d,%r12d
  imul   %r13d,%ebp
  mov    %r12d,0x8(%rdx)
  imul   0x8(%rax),%r11d
  mov    0xc(%rax),%r14d
  add    %ebp,%r11d
  cvttss2si 0x8(%r9),%ebp
  mov    %r11d,0x8(%rax)
  cvttss2si 0x8(%r10),%r11d
  mov    0xc(%rdx),%r13d
  imul   %ebp,%r14d
  mov    %r11d,%r12d
  imul   %r13d,%ebp
  imul   %r13d,%r12d
  sub    %r14d,%r12d
  mov    %r12d,0xc(%rdx)
  imul   0xc(%rax),%r11d
  add    %ebp,%r11d
  mov    %r11d,0xc(%rax)
  cvttss2si 0xc(%r10),%r11d
  cvttss2si 0xc(%r9),%ebp
  mov    0x10(%rdx),%r13d
  mov    0x10(%rax),%r14d
  mov    %r11d,%r12d
  imul   %ebp,%r14d
  imul   %r13d,%r12d
  imul   %r13d,%ebp
  sub    %r14d,%r12d
  mov    %r12d,0x10(%rdx)
  imul   0x10(%rax),%r11d
  mov    0x14(%rax),%r14d
  add    %ebp,%r11d
  cvttss2si 0x10(%r9),%ebp
  mov    %r11d,0x10(%rax)
  cvttss2si 0x10(%r10),%r11d
  mov    0x14(%rdx),%r13d
  imul   %ebp,%r14d
  mov    %r11d,%r12d
  imul   %r13d,%ebp
  imul   %r13d,%r12d
  sub    %r14d,%r12d
  mov    %r12d,0x14(%rdx)
  imul   0x14(%rax),%r11d
  mov    0x18(%rax),%r14d
  add    %ebp,%r11d
  cvttss2si 0x14(%r9),%ebp
  mov    %r11d,0x14(%rax)
  cvttss2si 0x14(%r10),%r11d
  mov    0x18(%rdx),%r13d
  imul   %ebp,%r14d
  mov    %r11d,%r12d
  imul   %r13d,%ebp
  imul   %r13d,%r12d
  sub    %r14d,%r12d
  mov    %r12d,0x18(%rdx)
  imul   0x18(%rax),%r11d
  mov    0x1c(%rax),%r14d
  add    %ebp,%r11d
  cvttss2si 0x18(%r9),%ebp
  mov    %r11d,0x18(%rax)
  cvttss2si 0x18(%r10),%r11d
  mov    0x1c(%rdx),%r13d
  imul   %ebp,%r14d
  mov    %r11d,%r12d
  imul   %r13d,%r12d
  sub    %r14d,%r12d
  mov    %r12d,0x1c(%rdx)
  imul   0x1c(%rax),%r11d
  imul   %r13d,%ebp
  add    $0x4,%rcx
  add    $0x4,%r8
  add    $0x1c,%r10
  add    $0x1c,%r9
  add    $0x20,%rdi
  add    $0x20,%rsi
  add    %ebp,%r11d
  mov    %r11d,0x1c(%rax)
  mov    (%rdx),%r11d
  mov    %r11d,-0x20(%rdi)
  mov    (%rax),%r11d
  mov    %r11d,-0x20(%rsi)
  mov    0x4(%rdx),%r11d
  mov    %r11d,-0x1c(%rdi)
  mov    0x4(%rax),%r11d
  mov    %r11d,-0x1c(%rsi)
  mov    0x8(%rdx),%r11d
  mov    %r11d,-0x18(%rdi)
  mov    0x8(%rax),%r11d
  mov    %r11d,-0x18(%rsi)
  mov    0xc(%rdx),%r11d
  mov    %r11d,-0x14(%rdi)
  mov    0xc(%rax),%r11d
  mov    %r11d,-0x14(%rsi)
  mov    0x10(%rdx),%r11d
  mov    %r11d,-0x10(%rdi)
  mov    0x10(%rax),%r11d
  mov    %r11d,-0x10(%rsi)
  mov    0x14(%rdx),%r11d
  mov    %r11d,-0xc(%rdi)
  mov    0x14(%rax),%r11d
  mov    %r11d,-0xc(%rsi)
  mov    0x18(%rdx),%r11d
  mov    %r11d,-0x8(%rdi)
  mov    0x18(%rax),%r11d
  mov    %r11d,-0x8(%rsi)
  mov    0x1c(%rdx),%r11d
  mov    %r11d,-0x4(%rdi)
  mov    0x1c(%rax),%r11d
  mov    %r11d,-0x4(%rsi)
  cmp    %rbx,%rcx
  jne    L8
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

tool_calls: name: unpack_data
arguments: tag: D0
data_type: byte[4]

tool: {"D0": [0xf3,0x04,0x35,0x3f]}

assistant: ```c
void step1(int work_x[], int work_y[], int DATA_x[], int DATA_y[], int data_x[], int data_y[], int smem[], int reversed[], float sin_64[448], float cos_64[448], float sin_512[448], float cos_512[448]) {
  int tid, hi, lo, i, j, stride;
  stride = 64;
outer:
  for (tid = 0; tid < 64; tid++) {
  load:
    for (i = 0; i < 8; i++) {
      data_x[i] = work_x[i * stride + tid];
      data_y[i] = work_y[i * stride + tid];
    }
    {
      int exp_1_8_x, exp_1_4_x, exp_3_8_x;
      int exp_1_8_y, exp_1_4_y, exp_3_8_y;
      int tmp_1, tmp_2;
      exp_1_8_x = 1;
      exp_1_8_y = -1;
      exp_1_4_x = 0;
      exp_1_4_y = -1;
      exp_3_8_x = -1;
      exp_3_8_y = -1;
      {
        int c0_x = *&data_x[0];
        int c0_y = *&data_y[0];
        *&data_x[0] = (c0_x + *&data_x[4]);
        *&data_y[0] = (c0_y + *&data_y[4]);
        *&data_x[4] = (c0_x - *&data_x[4]);
        *&data_y[4] = (c0_y - *&data_y[4]);
      };
      {
        int c0_x = *&data_x[1];
        int c0_y = *&data_y[1];
        *&data_x[1] = (c0_x + *&data_x[5]);
        *&data_y[1] = (c0_y + *&data_y[5]);
        *&data_x[5] = (c0_x - *&data_x[5]);
        *&data_y[5] = (c0_y - *&data_y[5]);
      };
      {
        int c0_x = *&data_x[2];
        int c0_y = *&data_y[2];
        *&data_x[2] = (c0_x + *&data_x[6]);
        *&data_y[2] = (c0_y + *&data_y[6]);
        *&data_x[6] = (c0_x - *&data_x[6]);
        *&data_y[6] = (c0_y - *&data_y[6]);
      };
      {
        int c0_x = *&data_x[3];
        int c0_y = *&data_y[3];
        *&data_x[3] = (c0_x + *&data_x[7]);
        *&data_y[3] = (c0_y + *&data_y[7]);
        *&data_x[7] = (c0_x - *&data_x[7]);
        *&data_y[7] = (c0_y - *&data_y[7]);
      };
      tmp_1 = data_x[5];
      data_x[5] = (0.70710678118654752440f * (data_x[5] * exp_1_8_x - data_y[5] * exp_1_8_y));
      data_y[5] = (0.70710678118654752440f * (tmp_1 * exp_1_8_y + data_y[5] * exp_1_8_x));
      tmp_1 = data_x[6];
      data_x[6] = (data_x[6] * exp_1_4_x - data_y[6] * exp_1_4_y);
      data_y[6] = (tmp_1 * exp_1_4_y + data_y[6] * exp_1_4_x);
      tmp_1 = data_x[7];
      data_x[7] = (0.70710678118654752440f * (data_x[7] * exp_3_8_x - data_y[7] * exp_3_8_y));
      data_y[7] = (0.70710678118654752440f * (tmp_1 * exp_3_8_y + data_y[7] * exp_3_8_x));
      {
        int exp_1_44_x;
        int exp_1_44_y;
        int tmp;
        exp_1_44_x = 0.0;
        exp_1_44_y = -1.0;
        {
          int c0_x = *&data_x[0];
          int c0_y = *&data_y[0];
          *&data_x[0] = (c0_x + *&data_x[2]);
          *&data_y[0] = (c0_y + *&data_y[2]);
          *&data_x[2] = (c0_x - *&data_x[2]);
          *&data_y[2] = (c0_y - *&data_y[2]);
        };
        {
          int c0_x = *&data_x[1];
          int c0_y = *&data_y[1];
          *&data_x[1] = (c0_x + *&data_x[3]);
          *&data_y[1] = (c0_y + *&data_y[3]);
          *&data_x[3] = (c0_x - *&data_x[3]);
          *&data_y[3] = (c0_y - *&data_y[3]);
        };
        tmp = *&data_x[3];
        *&data_x[3] = *&data_x[3] * exp_1_44_x - *&data_y[3] * exp_1_44_y;
        *&data_y[3] = tmp * exp_1_44_y - *&data_y[3] * exp_1_44_x;
        {
          int c0_x = *&data_x[0];
          int c0_y = *&data_y[0];
          *&data_x[0] = (c0_x + *&data_x[1]);
          *&data_y[0] = (c0_y + *&data_y[1]);
          *&data_x[1] = (c0_x - *&data_x[1]);
          *&data_y[1] = (c0_y - *&data_y[1]);
        };
        {
          int c0_x = *&data_x[2];
          int c0_y = *&data_y[2];
          *&data_x[2] = (c0_x + *&data_x[3]);
          *&data_y[2] = (c0_y + *&data_y[3]);
          *&data_x[3] = (c0_x - *&data_x[3]);
          *&data_y[3] = (c0_y - *&data_y[3]);
        };
      };
      {
        int exp_1_44_x;
        int exp_1_44_y;
        int tmp;
        exp_1_44_x = 0.0;
        exp_1_44_y = -1.0;
        {
          int c0_x = *&data_x[4];
          int c0_y = *&data_y[4];
          *&data_x[4] = (c0_x + *&data_x[6]);
          *&data_y[4] = (c0_y + *&data_y[6]);
          *&data_x[6] = (c0_x - *&data_x[6]);
          *&data_y[6] = (c0_y - *&data_y[6]);
        };
        {
          int c0_x = *&data_x[5];
          int c0_y = *&data_y[5];
          *&data_x[5] = (c0_x + *&data_x[7]);
          *&data_y[5] = (c0_y + *&data_y[7]);
          *&data_x[7] = (c0_x - *&data_x[7]);
          *&data_y[7] = (c0_y - *&data_y[7]);
        };
        tmp = *&data_x[7];
        *&data_x[7] = *&data_x[7] * exp_1_44_x - *&data_y[7] * exp_1_44_y;
        *&data_y[7] = tmp * exp_1_44_y - *&data_y[7] * exp_1_44_x;
        {
          int c0_x = *&data_x[4];
          int c0_y = *&data_y[4];
          *&data_x[4] = (c0_x + *&data_x[5]);
          *&data_y[4] = (c0_y + *&data_y[5]);
          *&data_x[5] = (c0_x - *&data_x[5]);
          *&data_y[5] = (c0_y - *&data_y[5]);
        };
        {
          int c0_x = *&data_x[6];
          int c0_y = *&data_y[6];
          *&data_x[6] = (c0_x + *&data_x[7]);
          *&data_y[6] = (c0_y + *&data_y[7]);
          *&data_x[7] = (c0_x - *&data_x[7]);
          *&data_y[7] = (c0_y - *&data_y[7]);
        };
      };
    };
  twiddles:
    for (j = 1; j < 8; j++) {
      int A_x, A_y, tmp;
      A_x = cos_512[tid * 7 + j - 1];
      A_y = sin_512[tid * 7 + j - 1];
      tmp = data_x[j];
      data_x[j] = (data_x[j] * A_x - data_y[j] * A_y);
      data_y[j] = (tmp * A_y + data_y[j] * A_x);
    }
  store:
    for (i = 0; i < 8; i++) {
      DATA_x[tid * 8 + i] = data_x[i];
      DATA_y[tid * 8 + i] = data_y[i];
    }
  }
}
```