user: What is the c source code of the assembly code below?

```asm
<mct_decode_real>:
  endbr64
  push   %r15
  mov    %ecx,%r15d
  push   %r14
  push   %r13
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x58,%rsp
  movss  D47(%rip),%xmm0
  mov    %rsi,0x30(%rsp)
  mov    %rdx,0x10(%rsp)
  mov    %ecx,0x3c(%rsp)
  call   <_mm_set1_ps@plt>
  movss  D38(%rip),%xmm0
  mov    %eax,0x4(%rsp)
  call   <_mm_set1_ps@plt>
  movss  D40(%rip),%xmm0
  mov    %eax,0x8(%rsp)
  call   <_mm_set1_ps@plt>
  movss  D77(%rip),%xmm0
  mov    %eax,0xc(%rsp)
  call   <_mm_set1_ps@plt>
  mov    0x10(%rsp),%r11
  mov    %eax,0x18(%rsp)
  mov    %r15d,%eax
  sar    $0x3,%eax
  test   %eax,%eax
  jle    L2
  cltq
  mov    %r11,0x48(%rsp)
  mov    %r11,%r13
  shl    $0x5,%rax
  mov    %rax,0x40(%rsp)
  add    %rbx,%rax
  mov    %rax,0x28(%rsp)
  nopl   0x0(%rax,%rax,1)
L39:
  mov    %rbx,%rdi
  call   <_mm_load_ps@plt>
  mov    %r12,%rdi
  mov    %eax,%ebp
  call   <_mm_load_ps@plt>
  mov    %r13,%rdi
  mov    %eax,%r14d
  call   <_mm_load_ps@plt>
  mov    0x4(%rsp),%esi
  mov    %eax,%edi
  mov    %eax,0x10(%rsp)
  call   <_mm_mul_ps@plt>
  mov    %ebp,%edi
  mov    %eax,%esi
  call   <_mm_add_ps@plt>
  mov    0xc(%rsp),%esi
  mov    0x10(%rsp),%edi
  mov    %eax,%r15d
  call   <_mm_mul_ps@plt>
  mov    0x8(%rsp),%esi
  mov    %r14d,%edi
  mov    %eax,0x10(%rsp)
  call   <_mm_mul_ps@plt>
  mov    %ebp,%edi
  mov    %eax,%esi
  call   <_mm_sub_ps@plt>
  mov    0x10(%rsp),%esi
  mov    %eax,%edi
  call   <_mm_sub_ps@plt>
  mov    0x18(%rsp),%esi
  mov    %r14d,%edi
  lea    0x10(%r13),%r14
  mov    %eax,0x10(%rsp)
  call   <_mm_mul_ps@plt>
  mov    %ebp,%edi
  mov    %eax,%esi
  call   <_mm_add_ps@plt>
  mov    %r15d,%esi
  mov    %rbx,%rdi
  lea    0x10(%r12),%r15
  mov    %eax,%ebp
  call   <_mm_store_ps@plt>
  mov    0x10(%rsp),%esi
  mov    %r12,%rdi
  add    $0x20,%r12
  call   <_mm_store_ps@plt>
  mov    %ebp,%esi
  mov    %r13,%rdi
  add    $0x20,%r13
  call   <_mm_store_ps@plt>
  lea    0x10(%rbx),%r10
  add    $0x20,%rbx
  mov    %r10,%rdi
  mov    %r10,0x20(%rsp)
  call   <_mm_load_ps@plt>
  mov    %r15,%rdi
  mov    %eax,%ebp
  call   <_mm_load_ps@plt>
  mov    %r14,%rdi
  mov    %eax,0x1c(%rsp)
  call   <_mm_load_ps@plt>
  mov    0x4(%rsp),%esi
  mov    %eax,%edi
  mov    %eax,0x10(%rsp)
  call   <_mm_mul_ps@plt>
  mov    %ebp,%edi
  mov    %eax,%esi
  call   <_mm_add_ps@plt>
  mov    0xc(%rsp),%esi
  mov    0x10(%rsp),%edi
  mov    %eax,0x38(%rsp)
  call   <_mm_mul_ps@plt>
  mov    0x8(%rsp),%esi
  mov    0x1c(%rsp),%edi
  mov    %eax,0x10(%rsp)
  call   <_mm_mul_ps@plt>
  mov    %ebp,%edi
  mov    %eax,%esi
  call   <_mm_sub_ps@plt>
  mov    0x10(%rsp),%esi
  mov    %eax,%edi
  call   <_mm_sub_ps@plt>
  mov    0x18(%rsp),%esi
  mov    0x1c(%rsp),%edi
  mov    %eax,0x10(%rsp)
  call   <_mm_mul_ps@plt>
  mov    %ebp,%edi
  mov    %eax,%esi
  call   <_mm_add_ps@plt>
  mov    0x38(%rsp),%esi
  mov    0x20(%rsp),%rdi
  mov    %eax,%ebp
  call   <_mm_store_ps@plt>
  mov    0x10(%rsp),%esi
  mov    %r15,%rdi
  call   <_mm_store_ps@plt>
  mov    %ebp,%esi
  mov    %r14,%rdi
  call   <_mm_store_ps@plt>
  cmp    %rbx,0x28(%rsp)
  jne    L39
  mov    0x40(%rsp),%rdx
  add    %rdx,0x30(%rsp)
  mov    0x48(%rsp),%r11
  add    %rdx,%r11
L2:
  mov    0x3c(%rsp),%edx
  and    $0x7,%edx
  je     L20
  mov    0x30(%rsp),%rcx
  xor    %eax,%eax
  nopl   0x0(%rax)
L31:
  movss  (%r11,%rax,4),%xmm1
  movss  D47(%rip),%xmm3
  movss  (%rcx,%rax,4),%xmm0
  movss  D38(%rip),%xmm4
  mulss  %xmm1,%xmm3
  movss  (%rbx,%rax,4),%xmm2
  mulss  %xmm0,%xmm4
  mulss  D40(%rip),%xmm1
  mulss  D77(%rip),%xmm0
  addss  %xmm2,%xmm3
  movss  %xmm3,(%rbx,%rax,4)
  movaps %xmm2,%xmm3
  addss  %xmm2,%xmm0
  subss  %xmm4,%xmm3
  movss  %xmm0,(%r11,%rax,4)
  subss  %xmm1,%xmm3
  movss  %xmm3,(%rcx,%rax,4)
  add    $0x1,%rax
  cmp    %eax,%edx
  jg     L31
L20:
  add    $0x58,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

tool_calls: name: parse_data
arguments: tag: D47
data_type: byte[4]
name: parse_data
arguments: tag: D38
data_type: byte[4]
name: parse_data
arguments: tag: D40
data_type: byte[4]
name: parse_data
arguments: tag: D77
data_type: byte[4]

tool: {"D47": [0xbc,0x74,0xb3,0x3f]}

tool: {"D38": [0xcf,0x31,0xb0,0x3e]}

tool: {"D40": [0xe1,0xd1,0x36,0x3f]}

tool: {"D77": [0xe5,0xd0,0xe2,0x3f]}

assistant: ```c
void mct_decode_real(float *__restrict__ c0, float *__restrict__ c1, float *__restrict__ c2, int n) {
  int i;
  __m128 vrv, vgu, vgv, vbu;
  vrv = _mm_set1_ps(1.402f);
  vgu = _mm_set1_ps(0.34413f);
  vgv = _mm_set1_ps(0.71414f);
  vbu = _mm_set1_ps(1.772f);
  for (i = 0; i < (n >> 3); ++i) {
    __m128 vy, vu, vv;
    __m128 vr, vg, vb;
    vy = _mm_load_ps(c0);
    vu = _mm_load_ps(c1);
    vv = _mm_load_ps(c2);
    vr = _mm_add_ps(vy, _mm_mul_ps(vv, vrv));
    vg = _mm_sub_ps(_mm_sub_ps(vy, _mm_mul_ps(vu, vgu)), _mm_mul_ps(vv, vgv));
    vb = _mm_add_ps(vy, _mm_mul_ps(vu, vbu));
    _mm_store_ps(c0, vr);
    _mm_store_ps(c1, vg);
    _mm_store_ps(c2, vb);
    c0 += 4;
    c1 += 4;
    c2 += 4;
    vy = _mm_load_ps(c0);
    vu = _mm_load_ps(c1);
    vv = _mm_load_ps(c2);
    vr = _mm_add_ps(vy, _mm_mul_ps(vv, vrv));
    vg = _mm_sub_ps(_mm_sub_ps(vy, _mm_mul_ps(vu, vgu)), _mm_mul_ps(vv, vgv));
    vb = _mm_add_ps(vy, _mm_mul_ps(vu, vbu));
    _mm_store_ps(c0, vr);
    _mm_store_ps(c1, vg);
    _mm_store_ps(c2, vb);
    c0 += 4;
    c1 += 4;
    c2 += 4;
  }
  n &= 7;
  for (i = 0; i < n; ++i) {
    float y = c0[i];
    float u = c1[i];
    float v = c2[i];
    float r = y + (v * 1.402f);
    float g = y - (u * 0.34413f) - (v * (0.71414f));
    float b = y + (u * 1.772f);
    c0[i] = r;
    c1[i] = g;
    c2[i] = b;
  }
}
```