user: What would the C source look like for the assembly code provided here:

```asm
<fsub>:
  endbr64
  push   %r15
  push   %r14
  mov    %r8,%r14
  push   %r13
  movslq %esi,%r13
  push   %r12
  mov    %edx,%r12d
  push   %rbp
  lea    0x0(,%r13,8),%ebp
  push   %rbx
  sub    $0xc8,%rsp
  mov    %rdi,0x78(%rsp)
  mov    %ebp,%edi
  mov    %edx,0x88(%rsp)
  mov    %rcx,0x40(%rsp)
  mov    %r8,0x50(%rsp)
  mov    %r13d,0x14(%rsp)
  mov    %r13,0x90(%rsp)
  call   <malloc@plt>
  mov    %ebp,%edi
  mov    %rax,0x18(%rsp)
  mov    %rax,%r15
  call   <malloc@plt>
  mov    %rax,0x60(%rsp)
  test   %r12d,%r12d
  jle    L36
  mov    %rax,%r9
  mov    0x40(%rsp),%rax
  mov    %r13d,%ecx
  sub    %r15,%r14
  shr    %ecx
  mov    %r9,%rsi
  lea    0x0(,%r13,8),%r10
  mov    %r14,0x68(%rsp)
  add    $0x8,%rax
  mov    %r10,0x20(%rsp)
  mov    %rax,0x70(%rsp)
  mov    %ecx,%eax
  sub    $0x1,%eax
  movl   $0x0,0x58(%rsp)
  movl   $0x0,0x80(%rsp)
  add    $0x1,%rax
  shl    $0x4,%rax
  lea    (%rax,%r9,1),%rcx
  add    %r15,%rax
  mov    %rcx,0xa8(%rsp)
  mov    %r13d,%ecx
  and    $0xfffffffe,%ecx
  mov    %rax,0xa0(%rsp)
  lea    0x1(%r13),%eax
  movslq %ecx,%rdx
  mov    %ecx,0x84(%rsp)
  cltq
  shl    $0x3,%rdx
  shl    $0x3,%rax
  lea    (%r9,%rdx,1),%rcx
  add    %r15,%rdx
  mov    %rax,0x98(%rsp)
  mov    %rdx,0x30(%rsp)
  lea    -0x1(%r13),%edx
  mov    %edx,0x8c(%rsp)
  lea    0x8(,%rdx,8),%rdx
  add    %rdx,%rsi
  add    %r15,%rdx
  mov    %rcx,0x48(%rsp)
  mov    %rsi,0xb8(%rsp)
  lea    0x8(%r10),%rsi
  mov    %rsi,0x38(%rsp)
  mov    %rdx,0xb0(%rsp)
  nopl   0x0(%rax,%rax,1)
L179:
  mov    0x14(%rsp),%eax
  test   %eax,%eax
  jle    L9
  mov    0x60(%rsp),%rsi
  mov    0x18(%rsp),%rdi
  cmpl   $0x2,0x8c(%rsp)
  lea    0x8(%rsi),%r13
  seta   0x5f(%rsp)
  movzbl 0x5f(%rsp),%ecx
  cmp    %r13,%rdi
  setne  %al
  and    %ecx,%eax
  mov    0x70(%rsp),%rcx
  cmp    %rcx,%rdi
  setne  %dl
  test   %dl,%al
  je     L72
  cmp    %rcx,%rsi
  je     L72
  mov    %rcx,%rdx
  mov    %rsi,%rax
  pxor   %xmm0,%xmm0
  sub    %rsi,%rdx
  lea    -0x8(%rdx),%rcx
  mov    %rdi,%rdx
  sub    %rsi,%rdx
  mov    0xa8(%rsp),%rsi
  nop
L93:
  movupd (%rcx,%rax,1),%xmm2
  movups %xmm2,(%rax)
  movups %xmm0,(%rdx,%rax,1)
  add    $0x10,%rax
  cmp    %rax,%rsi
  jne    L93
  mov    0x84(%rsp),%edx
  cmp    %edx,0x14(%rsp)
  je     L8
  mov    0x58(%rsp),%eax
  add    %edx,%eax
  mov    0x40(%rsp),%rdx
  cltq
  movsd  (%rdx,%rax,8),%xmm0
  mov    0x48(%rsp),%rax
  movsd  %xmm0,(%rax)
  mov    0x30(%rsp),%rax
  movq   $0x0,(%rax)
L8:
  mov    0x60(%rsp),%rbx
  mov    0x14(%rsp),%r15d
  mov    $0x1,%edx
  mov    %r15d,%esi
  mov    %rbx,%rdi
  call   <mdisplay@plt>
  mov    0x18(%rsp),%rax
  mov    0x78(%rsp),%rsi
  movsd  (%rbx),%xmm0
  mov    %rax,%rdx
  divsd  (%rsi),%xmm0
  movsd  %xmm0,(%rax)
  sub    %rbx,%rdx
  mov    %rdx,0x28(%rsp)
  cmp    $0x1,%r15d
  je     L189
  mov    0x98(%rsp),%rdx
  mov    $0x1,%ebx
  lea    D1(%rip),%r12
  add    %rsi,%rdx
  mov    %rdx,0x8(%rsp)
  mov    0x90(%rsp),%rdx
  lea    (%rsi,%rdx,8),%rbp
  sub    0x18(%rsp),%rbp
  nopl   0x0(%rax,%rax,1)
L81:
  mov    0x18(%rsp),%r14
  pxor   %xmm1,%xmm1
  xor    %r15d,%r15d
  nopl   0x0(%rax)
L28:
  movsd  (%r14),%xmm0
  mulsd  0x0(%rbp,%r14,1),%xmm0
  mov    %r12,%rdi
  add    $0x1,%r15d
  add    $0x8,%r14
  addsd  %xmm0,%xmm1
  movapd %xmm1,%xmm0
  movsd  %xmm1,(%rsp)
  call   <printf@plt>
  cmp    %ebx,%r15d
  movsd  (%rsp),%xmm1
  jl     L28
  movsd  0x0(%r13),%xmm0
  mov    0x8(%rsp),%rax
  add    $0x1,%ebx
  add    $0x8,%r13
  mov    0x38(%rsp),%rcx
  mov    0x28(%rsp),%rsi
  subsd  %xmm1,%xmm0
  divsd  (%rax),%xmm0
  add    0x20(%rsp),%rbp
  add    %rcx,%rax
  movsd  %xmm0,-0x8(%r13,%rsi,1)
  mov    %rax,0x8(%rsp)
  cmp    %ebx,0x14(%rsp)
  jne    L81
L189:
  mov    0x68(%rsp),%rcx
  mov    0x18(%rsp),%rsi
  mov    %rcx,%rax
  lea    0x8(%rsi),%rdx
  add    %rsi,%rax
  cmp    %rax,%rdx
  je     L120
  cmpb   $0x0,0x5f(%rsp)
  je     L120
  mov    0xa0(%rsp),%rdx
  mov    %rsi,%rax
  nopl   0x0(%rax,%rax,1)
L30:
  movupd (%rax),%xmm3
  movups %xmm3,(%rcx,%rax,1)
  add    $0x10,%rax
  cmp    %rdx,%rax
  jne    L30
  mov    0x84(%rsp),%ecx
  cmp    %ecx,0x14(%rsp)
  je     L58
  mov    0x30(%rsp),%rax
  mov    0x50(%rsp),%rsi
  movsd  (%rax),%xmm0
  mov    0x58(%rsp),%eax
  add    %ecx,%eax
  cltq
  movsd  %xmm0,(%rsi,%rax,8)
L58:
  mov    0x20(%rsp),%rsi
  addl   $0x1,0x80(%rsp)
  mov    0x14(%rsp),%ecx
  add    %rsi,0x68(%rsp)
  add    %ecx,0x58(%rsp)
  mov    0x80(%rsp),%eax
  add    %rsi,0x70(%rsp)
  cmp    %eax,0x88(%rsp)
  jne    L179
L36:
  mov    0x18(%rsp),%rdi
  call   <free@plt>
  mov    0x60(%rsp),%rdi
  add    $0xc8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1080 <free@plt>
L120:
  mov    0x18(%rsp),%rax
  mov    0xb0(%rsp),%rdx
  mov    0x68(%rsp),%rcx
  nopl   0x0(%rax,%rax,1)
L157:
  movsd  (%rax),%xmm0
  movsd  %xmm0,(%rcx,%rax,1)
  add    $0x8,%rax
  cmp    %rdx,%rax
  jne    L157
  jmp    L58
L72:
  mov    0x60(%rsp),%rsi
  mov    0x70(%rsp),%rdx
  sub    %rsi,%rdx
  mov    %rsi,%rax
  lea    -0x8(%rdx),%rcx
  mov    0x18(%rsp),%rdx
  sub    %rsi,%rdx
  mov    0xb8(%rsp),%rsi
  nopl   0x0(%rax,%rax,1)
L7:
  movsd  (%rcx,%rax,1),%xmm0
  movsd  %xmm0,(%rax)
  movq   $0x0,(%rdx,%rax,1)
  add    $0x8,%rax
  cmp    %rsi,%rax
  jne    L7
  jmp    L8
L9:
  mov    0x14(%rsp),%esi
  mov    0x60(%rsp),%rdi
  mov    $0x1,%edx
  call   <mdisplay@plt>
  jmp    L58
```

tool_calls: name: extract_symbolic_data
arguments: tag: D1
data_type: string

tool: D1: sum %lf 


assistant: ```c
void fsub(double *A, int N, int M, double *bb, double *xx) {
  int i, j, t, k, u;
  double sum;
  double *x, *b;
  x = (double *)malloc(sizeof(double) * N);
  b = (double *)malloc(sizeof(double) * N);
  for (k = 0; k < M; ++k) {
    u = k * N;
    for (i = 0; i < N; ++i) {
      b[i] = bb[u + i];
      x[i] = 0.;
    }
    mdisplay(b, N, 1);
    for (i = 0; i < N; ++i) {
      t = i * N;
      sum = 0;
      for (j = 0; j < i; ++j) {
        sum += A[t + j] * x[j];
        printf("sum %lf \n", sum);
      }
      x[i] = (b[i] - sum) / A[t + i];
    }
    for (i = 0; i < N; ++i) {
      xx[u + i] = x[i];
    }
  }
  free(x);
  free(b);
}
```