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

```asm
<kernel_dtrsv_t_1_lib4>:
  endbr64
  test   %edi,%edi
  jle    L3
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %esi,%r10d
  mov    %rdx,%r11
  cmp    $0x4,%edi
  jle    L129
  movsd  0x8(%rdx),%xmm0
  mulsd  0x8(%r8),%xmm0
  addsd  D7(%rip),%xmm0
  movsd  0x10(%rdx),%xmm1
  mulsd  0x10(%r8),%xmm1
  addsd  %xmm0,%xmm1
  movsd  0x18(%rdx),%xmm0
  mulsd  0x18(%r8),%xmm0
  addsd  %xmm1,%xmm0
  shl    $0x2,%ecx
  movslq %ecx,%r9
  lea    0x0(,%r9,8),%rsi
  lea    (%rdx,%rsi,1),%rbx
  lea    0x20(%r8),%rcx
  cmp    $0xb,%edi
  jle    L47
  lea    -0xc(%rdi),%r12d
  shr    $0x3,%r12d
  mov    %r12d,%r13d
  mov    %r13,%rax
  shl    $0x6,%rax
  lea    0x60(%r8,%rax,1),%rbp
  shl    $0x4,%r9
  mov    %rcx,%rax
  mov    %rbx,%rdx
L122:
  movsd  (%rdx),%xmm1
  mulsd  (%rax),%xmm1
  addsd  %xmm0,%xmm1
  movsd  0x8(%rdx),%xmm0
  mulsd  0x8(%rax),%xmm0
  addsd  %xmm1,%xmm0
  movsd  0x10(%rdx),%xmm1
  mulsd  0x10(%rax),%xmm1
  addsd  %xmm0,%xmm1
  movsd  0x18(%rdx),%xmm0
  mulsd  0x18(%rax),%xmm0
  addsd  %xmm1,%xmm0
  movsd  (%rdx,%rsi,1),%xmm1
  mulsd  0x20(%rax),%xmm1
  addsd  %xmm0,%xmm1
  movsd  0x8(%rdx,%rsi,1),%xmm0
  mulsd  0x28(%rax),%xmm0
  addsd  %xmm1,%xmm0
  movsd  0x10(%rdx,%rsi,1),%xmm1
  mulsd  0x30(%rax),%xmm1
  addsd  %xmm0,%xmm1
  movsd  0x18(%rdx,%rsi,1),%xmm0
  mulsd  0x38(%rax),%xmm0
  addsd  %xmm1,%xmm0
  add    %r9,%rdx
  add    $0x40,%rax
  cmp    %rax,%rbp
  jne    L122
  lea    0x1(%r13),%rax
  imul   %rax,%r9
  add    %r9,%rbx
  shl    $0x6,%rax
  add    %rax,%rcx
  lea    0xc(,%r12,8),%r9d
L10:
  lea    -0x3(%rdi),%eax
  cmp    %r9d,%eax
  jle    L119
  lea    -0x4(%rdi),%ebp
  sub    %r9d,%ebp
  shr    $0x2,%ebp
  lea    0x1(%rbp),%r12d
  mov    %r12d,%r12d
  mov    %r12,%rdx
  shl    $0x5,%rdx
  add    %rcx,%rdx
  mov    %rbx,%rax
L89:
  movsd  (%rax),%xmm1
  mulsd  (%rcx),%xmm1
  addsd  %xmm0,%xmm1
  movsd  0x8(%rax),%xmm0
  mulsd  0x8(%rcx),%xmm0
  addsd  %xmm1,%xmm0
  movsd  0x10(%rax),%xmm1
  mulsd  0x10(%rcx),%xmm1
  addsd  %xmm0,%xmm1
  movsd  0x18(%rax),%xmm0
  mulsd  0x18(%rcx),%xmm0
  addsd  %xmm1,%xmm0
  add    %rsi,%rax
  add    $0x20,%rcx
  cmp    %rdx,%rcx
  jne    L89
  imul   %r12,%rsi
  add    %rsi,%rbx
  lea    0x4(%r9,%rbp,4),%r9d
  jmp    L14
L47:
  mov    $0x4,%r9d
  jmp    L10
L129:
  lea    0x8(%rdx),%rbx
  lea    0x8(%r8),%rdx
  pxor   %xmm0,%xmm0
  mov    $0x1,%r9d
L14:
  cmp    %r9d,%edi
  jle    L27
  sub    $0x1,%edi
  sub    %r9d,%edi
  lea    0x8(,%rdi,8),%rcx
  mov    $0x0,%eax
L22:
  movsd  (%rbx,%rax,1),%xmm1
  mulsd  (%rdx,%rax,1),%xmm1
  addsd  %xmm1,%xmm0
  add    $0x8,%rax
  cmp    %rcx,%rax
  jne    L22
L27:
  test   %r10d,%r10d
  je     L78
  movsd  (%r8),%xmm1
  subsd  %xmm0,%xmm1
  mulsd  (%r11),%xmm1
  movsd  %xmm1,(%r8)
L73:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L119:
  mov    %rcx,%rdx
  jmp    L14
L78:
  movsd  (%r8),%xmm1
  subsd  %xmm0,%xmm1
  divsd  (%r11),%xmm1
  movsd  %xmm1,(%r8)
  jmp    L73
L3:
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D7
datatype: f64

tool: D7: 0

assistant: ```c
void kernel_dtrsv_t_1_lib4(int kmax, int inverted_diag, double *A, int sda, double *x) {
  if (kmax <= 0)
    return;
  const int lda = 4;
  const int bs = 4;
  int k;
  double *tA, *tx;
  tA = A;
  tx = x;
  double x_0, x_1, x_2, x_3, y_0 = 0;
  k = 1;
  if (kmax > 4) {
    x_1 = x[1];
    x_2 = x[2];
    x_3 = x[3];
    y_0 += A[1 + lda * 0] * x_1;
    y_0 += A[2 + lda * 0] * x_2;
    y_0 += A[3 + lda * 0] * x_3;
    k = 4;
    A += 4 + (sda - 1) * lda;
    x += 4;
    for (; k < kmax - 7; k += 8) {
      x_0 = x[0];
      x_1 = x[1];
      x_2 = x[2];
      x_3 = x[3];
      y_0 += A[0 + lda * 0] * x_0;
      y_0 += A[1 + lda * 0] * x_1;
      y_0 += A[2 + lda * 0] * x_2;
      y_0 += A[3 + lda * 0] * x_3;
      A += sda * bs;
      x += 4;
      x_0 = x[0];
      x_1 = x[1];
      x_2 = x[2];
      x_3 = x[3];
      y_0 += A[0 + lda * 0] * x_0;
      y_0 += A[1 + lda * 0] * x_1;
      y_0 += A[2 + lda * 0] * x_2;
      y_0 += A[3 + lda * 0] * x_3;
      A += sda * bs;
      x += 4;
    }
    for (; k < kmax - 3; k += 4) {
      x_0 = x[0];
      x_1 = x[1];
      x_2 = x[2];
      x_3 = x[3];
      y_0 += A[0 + lda * 0] * x_0;
      y_0 += A[1 + lda * 0] * x_1;
      y_0 += A[2 + lda * 0] * x_2;
      y_0 += A[3 + lda * 0] * x_3;
      A += sda * bs;
      x += 4;
    }
  } else {
    A += 1;
    x += 1;
  }
  for (; k < kmax; k++) {
    x_0 = x[0];
    y_0 += A[0 + lda * 0] * x_0;
    A += 1;
    x += 1;
  }
  A = tA;
  x = tx;
  if (inverted_diag) {
    y_0 = x[0] - y_0;
    y_0 *= A[0 + lda * 0];
    x[0] = y_0;
  } else {
    y_0 = x[0] - y_0;
    y_0 /= A[0 + lda * 0];
    x[0] = y_0;
  }
}
```