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

```asm
<direct_svd>:
  endbr64
  push   %r15
  lea    0x0(,%rsi,8),%r10d
  push   %r14
  mov    %rdi,%r14
  mov    %esi,%edi
  push   %r13
  imul   %edx,%edi
  mov    %esi,%r13d
  push   %r12
  mov    %edx,%r12d
  push   %rbp
  push   %rbx
  shl    $0x3,%edi
  mov    %ecx,%ebx
  sub    $0x28,%rsp
  mov    %r9,0x8(%rsp)
  lea    0x0(,%rdx,8),%r9d
  mov    %r8,(%rsp)
  mov    %r9d,0x18(%rsp)
  mov    %r10d,0x10(%rsp)
  cmp    %edx,%esi
  jl     L65
  call   <malloc@plt>
  mov    %r12d,%edi
  imul   %r12d,%edi
  mov    %rax,%r15
  shl    $0x3,%edi
  call   <malloc@plt>
  mov    0x18(%rsp),%edi
  mov    %rax,%rbp
  call   <malloc@plt>
  mov    0x10(%rsp),%edi
  mov    %rax,0x18(%rsp)
  call   <malloc@plt>
  mov    %rax,0x10(%rsp)
  test   %r13d,%r13d
  jle    L74
  xor    %r11d,%r11d
  xor    %r10d,%r10d
  lea    -0x1(%r12),%edi
  xor    %r9d,%r9d
  nopl   0x0(%rax)
L6:
  test   %r12d,%r12d
  jle    L64
  movslq %r10d,%rax
  lea    (%r14,%rax,8),%rsi
  movslq %r11d,%rax
  lea    (%r15,%rax,8),%rcx
  xor    %eax,%eax
  nopl   (%rax)
L20:
  movsd  (%rsi,%rax,8),%xmm0
  mov    %rax,%rdx
  movsd  %xmm0,(%rcx,%rax,8)
  add    $0x1,%rax
  cmp    %rdi,%rdx
  jne    L20
L64:
  add    $0x1,%r9d
  add    %ebx,%r10d
  add    %r12d,%r11d
  cmp    %r9d,%r13d
  jne    L6
L74:
  push   0x10(%rsp)
  mov    0x20(%rsp),%rbx
  mov    %r12d,%r9d
  mov    %rbp,%r8
  mov    %r12d,%ecx
  mov    %r12d,%edx
  mov    %r13d,%esi
  mov    %r15,%rdi
  push   %rbx
  call   <relax_svd@plt>
  push   0x20(%rsp)
  mov    %r12d,%r9d
  mov    %rbp,%r8
  push   0x20(%rsp)
  mov    %r12d,%ecx
  mov    %r12d,%edx
  mov    %r13d,%esi
  push   0x20(%rsp)
  mov    %r15,%rdi
  mov    %eax,%r14d
  push   %rbx
  call   <relax_pinvb@plt>
  add    $0x30,%rsp
  mov    %r15,%rdi
  call   <free@plt>
  mov    %rbp,%rdi
  call   <free@plt>
  mov    %rbx,%rdi
  call   <free@plt>
  mov    0x10(%rsp),%rdi
  call   <free@plt>
L70:
  mov    $0xffffffff,%esi
  lea    D2(%rip),%rdi
  call   <printf@plt>
  add    $0x28,%rsp
  mov    %r14d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  xchg   %ax,%ax
L65:
  call   <malloc@plt>
  mov    %r13d,%edi
  imul   %r13d,%edi
  mov    %rax,%r15
  shl    $0x3,%edi
  call   <malloc@plt>
  mov    0x10(%rsp),%edi
  mov    %rax,%rbp
  call   <malloc@plt>
  mov    0x18(%rsp),%edi
  mov    %rax,0x10(%rsp)
  call   <malloc@plt>
  mov    %rax,%r10
  test   %r12d,%r12d
  jle    L88
  movslq %ebx,%rcx
  xor    %r9d,%r9d
  lea    -0x1(%r13),%ebx
  xor    %edi,%edi
  shl    $0x3,%rcx
  lea    0x8(%r15),%r11
  nopl   (%rax)
L4:
  test   %r13d,%r13d
  jle    L42
  movslq %r9d,%rdx
  lea    (%r15,%rdx,8),%rax
  add    %rbx,%rdx
  lea    (%r11,%rdx,8),%rsi
  mov    %r14,%rdx
  cs nopw 0x0(%rax,%rax,1)
L53:
  movsd  (%rdx),%xmm0
  add    $0x8,%rax
  add    %rcx,%rdx
  movsd  %xmm0,-0x8(%rax)
  cmp    %rax,%rsi
  jne    L53
L42:
  add    $0x1,%edi
  add    $0x8,%r14
  add    %r13d,%r9d
  cmp    %edi,%r12d
  jne    L4
L88:
  push   %r10
  mov    0x18(%rsp),%rbx
  mov    %r13d,%r9d
  mov    %rbp,%r8
  mov    %r13d,%ecx
  mov    %r13d,%edx
  mov    %r12d,%esi
  mov    %r15,%rdi
  mov    %r10,0x20(%rsp)
  push   %rbx
  call   <relax_svd@plt>
  mov    0x28(%rsp),%r10
  mov    %r13d,%r9d
  mov    %rbp,%r8
  mov    %r13d,%ecx
  mov    %r13d,%edx
  mov    %r12d,%esi
  mov    %r15,%rdi
  push   %r10
  mov    %eax,%r14d
  mov    %r10,0x28(%rsp)
  push   0x20(%rsp)
  push   0x20(%rsp)
  push   %rbx
  call   <relax_pinvtb@plt>
  add    $0x30,%rsp
  mov    %r15,%rdi
  call   <free@plt>
  mov    %rbp,%rdi
  call   <free@plt>
  mov    %rbx,%rdi
  call   <free@plt>
  mov    0x10(%rsp),%rdi
  call   <free@plt>
  jmp    L70
```

tool_calls: name: parse_data
arguments: tag: D2
type_guessed: string

tool: D2:  iter %7d

assistant: ```c
int direct_svd(double *A, int m, int n, int stride, double *b, double *x0) {
  double *U, *V, *w, *tmpvec;
  int ustride, vstride;
  int err;
  if (m >= n) {
    int i, j;
    ustride = n;
    vstride = n;
    U = malloc(m * ustride * sizeof U[0]);
    V = malloc(n * vstride * sizeof V[0]);
    w = malloc(n * sizeof w[0]);
    tmpvec = malloc(m * sizeof tmpvec[0]);
    for (i = 0; i < m; i++) {
      for (j = 0; j < n; j++)
        U[i * ustride + j] = A[i * stride + j];
      for (; j < ustride; j++)
        U[i * ustride + j] = 0.0;
    }
    err = relax_svd(U, m, n, ustride, V, vstride, w, tmpvec);
    relax_pinvb(U, m, n, ustride, V, vstride, w, b, x0, tmpvec);
    free(U);
    free(V);
    free(w);
    free(tmpvec);
  } else {
    int i, j;
    i = m;
    m = n;
    n = i;
    ustride = n;
    vstride = n;
    U = malloc(m * ustride * sizeof U[0]);
    V = malloc(n * vstride * sizeof V[0]);
    w = malloc(n * sizeof w[0]);
    tmpvec = malloc(m * sizeof tmpvec[0]);
    for (i = 0; i < m; i++) {
      for (j = 0; j < n; j++)
        U[i * ustride + j] = A[j * stride + i];
      for (; j < ustride; j++)
        U[i * ustride + j] = 0.0;
    }
    err = relax_svd(U, m, n, ustride, V, vstride, w, tmpvec);
    relax_pinvtb(U, m, n, ustride, V, vstride, w, b, x0, tmpvec);
    free(U);
    free(V);
    free(w);
    free(tmpvec);
  }
  printf(" iter %7d", -1);
  return err;
}
```