user: 这段汇编代码用C语言表示是什么样的？

```asm
<direct_svd>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x70,%rsp
  mov    %rdi,-0x48(%rbp)
  mov    %esi,-0x4c(%rbp)
  mov    %edx,-0x50(%rbp)
  mov    %ecx,-0x54(%rbp)
  mov    %r8,-0x60(%rbp)
  mov    %r9,-0x68(%rbp)
  mov    -0x4c(%rbp),%eax
  cmp    -0x50(%rbp),%eax
  jl     L115
  mov    -0x50(%rbp),%eax
  mov    %eax,-0x28(%rbp)
  mov    -0x50(%rbp),%eax
  mov    %eax,-0x24(%rbp)
  mov    -0x4c(%rbp),%eax
  imul   -0x28(%rbp),%eax
  cltq
  shl    $0x3,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x20(%rbp)
  mov    -0x50(%rbp),%eax
  imul   -0x24(%rbp),%eax
  cltq
  shl    $0x3,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x18(%rbp)
  mov    -0x50(%rbp),%eax
  cltq
  shl    $0x3,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x4c(%rbp),%eax
  cltq
  shl    $0x3,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  movl   $0x0,-0x38(%rbp)
  jmp    L71
L37:
  movl   $0x0,-0x34(%rbp)
  jmp    L118
L33:
  mov    -0x38(%rbp),%eax
  imul   -0x54(%rbp),%eax
  mov    %eax,%edx
  mov    -0x34(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rax,%rdx
  mov    -0x38(%rbp),%eax
  imul   -0x28(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x34(%rbp),%eax
  add    %ecx,%eax
  cltq
  lea    0x0(,%rax,8),%rcx
  mov    -0x20(%rbp),%rax
  add    %rcx,%rax
  movsd  (%rdx),%xmm0
  movsd  %xmm0,(%rax)
  addl   $0x1,-0x34(%rbp)
L118:
  mov    -0x34(%rbp),%eax
  cmp    -0x50(%rbp),%eax
  jl     L33
  jmp    L29
L41:
  mov    -0x38(%rbp),%eax
  imul   -0x28(%rbp),%eax
  mov    %eax,%edx
  mov    -0x34(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  pxor   %xmm0,%xmm0
  movsd  %xmm0,(%rax)
  addl   $0x1,-0x34(%rbp)
L29:
  mov    -0x34(%rbp),%eax
  cmp    -0x28(%rbp),%eax
  jl     L41
  addl   $0x1,-0x38(%rbp)
L71:
  mov    -0x38(%rbp),%eax
  cmp    -0x4c(%rbp),%eax
  jl     L37
  mov    -0x24(%rbp),%r8d
  mov    -0x18(%rbp),%rdi
  mov    -0x28(%rbp),%ecx
  mov    -0x50(%rbp),%edx
  mov    -0x4c(%rbp),%esi
  mov    -0x20(%rbp),%rax
  push   -0x8(%rbp)
  push   -0x10(%rbp)
  mov    %r8d,%r9d
  mov    %rdi,%r8
  mov    %rax,%rdi
  call   <relax_svd@plt>
  add    $0x10,%rsp
  mov    %eax,-0x3c(%rbp)
  mov    -0x24(%rbp),%r8d
  mov    -0x18(%rbp),%rdi
  mov    -0x28(%rbp),%ecx
  mov    -0x50(%rbp),%edx
  mov    -0x4c(%rbp),%esi
  mov    -0x20(%rbp),%rax
  push   -0x8(%rbp)
  push   -0x68(%rbp)
  push   -0x60(%rbp)
  push   -0x10(%rbp)
  mov    %r8d,%r9d
  mov    %rdi,%r8
  mov    %rax,%rdi
  call   <relax_pinvb@plt>
  add    $0x20,%rsp
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  jmp    L27
L115:
  mov    -0x4c(%rbp),%eax
  mov    %eax,-0x30(%rbp)
  mov    -0x50(%rbp),%eax
  mov    %eax,-0x4c(%rbp)
  mov    -0x30(%rbp),%eax
  mov    %eax,-0x50(%rbp)
  mov    -0x50(%rbp),%eax
  mov    %eax,-0x28(%rbp)
  mov    -0x50(%rbp),%eax
  mov    %eax,-0x24(%rbp)
  mov    -0x4c(%rbp),%eax
  imul   -0x28(%rbp),%eax
  cltq
  shl    $0x3,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x20(%rbp)
  mov    -0x50(%rbp),%eax
  imul   -0x24(%rbp),%eax
  cltq
  shl    $0x3,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x18(%rbp)
  mov    -0x50(%rbp),%eax
  cltq
  shl    $0x3,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x4c(%rbp),%eax
  cltq
  shl    $0x3,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  movl   $0x0,-0x30(%rbp)
  jmp    L90
L59:
  movl   $0x0,-0x2c(%rbp)
  jmp    L63
L8:
  mov    -0x2c(%rbp),%eax
  imul   -0x54(%rbp),%eax
  mov    %eax,%edx
  mov    -0x30(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rax,%rdx
  mov    -0x30(%rbp),%eax
  imul   -0x28(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x2c(%rbp),%eax
  add    %ecx,%eax
  cltq
  lea    0x0(,%rax,8),%rcx
  mov    -0x20(%rbp),%rax
  add    %rcx,%rax
  movsd  (%rdx),%xmm0
  movsd  %xmm0,(%rax)
  addl   $0x1,-0x2c(%rbp)
L63:
  mov    -0x2c(%rbp),%eax
  cmp    -0x50(%rbp),%eax
  jl     L8
  jmp    L25
L108:
  mov    -0x30(%rbp),%eax
  imul   -0x28(%rbp),%eax
  mov    %eax,%edx
  mov    -0x2c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  pxor   %xmm0,%xmm0
  movsd  %xmm0,(%rax)
  addl   $0x1,-0x2c(%rbp)
L25:
  mov    -0x2c(%rbp),%eax
  cmp    -0x28(%rbp),%eax
  jl     L108
  addl   $0x1,-0x30(%rbp)
L90:
  mov    -0x30(%rbp),%eax
  cmp    -0x4c(%rbp),%eax
  jl     L59
  mov    -0x24(%rbp),%r8d
  mov    -0x18(%rbp),%rdi
  mov    -0x28(%rbp),%ecx
  mov    -0x50(%rbp),%edx
  mov    -0x4c(%rbp),%esi
  mov    -0x20(%rbp),%rax
  push   -0x8(%rbp)
  push   -0x10(%rbp)
  mov    %r8d,%r9d
  mov    %rdi,%r8
  mov    %rax,%rdi
  call   <relax_svd@plt>
  add    $0x10,%rsp
  mov    %eax,-0x3c(%rbp)
  mov    -0x24(%rbp),%r8d
  mov    -0x18(%rbp),%rdi
  mov    -0x28(%rbp),%ecx
  mov    -0x50(%rbp),%edx
  mov    -0x4c(%rbp),%esi
  mov    -0x20(%rbp),%rax
  push   -0x8(%rbp)
  push   -0x68(%rbp)
  push   -0x60(%rbp)
  push   -0x10(%rbp)
  mov    %r8d,%r9d
  mov    %rdi,%r8
  mov    %rax,%rdi
  call   <relax_pinvtb@plt>
  add    $0x20,%rsp
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
L27:
  mov    $0xffffffff,%esi
  lea    D3(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    -0x3c(%rbp),%eax
  leave
  ret
```

tool_calls: name: unpack_data
arguments: label: D3
type_infered: string

tool: D3:  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;
}
```