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

```asm
<place_macromodule>:
  endbr64
  lea    (%rsi,%rsi,2),%eax
  mov    %edx,%r10d
  mov    %ecx,%edx
  lea    0x1(%rax,%rax,1),%ecx
  lea    (%r10,%r10,2),%eax
  add    %eax,%eax
  lea    0x1(%rax),%esi
  test   $0x40,%r8b
  je     L7
  mov    %esi,%r10d
  imul   %r9d,%r10d
  add    %ecx,%r10d
  movslq %r10d,%r10
  movb   $0x31,0x2(%rdi,%r10,1)
L7:
  test   $0x20,%r8b
  je     L3
  imul   %r9d,%esi
  add    %ecx,%esi
  movslq %esi,%rsi
  movb   $0x31,0x3(%rdi,%rsi,1)
L3:
  test   $0x10,%r8b
  je     L82
  lea    0x2(%rax),%esi
  imul   %r9d,%esi
  add    %ecx,%esi
  movslq %esi,%rsi
  movb   $0x31,(%rdi,%rsi,1)
L82:
  test   $0x8,%r8b
  je     L2
  lea    0x2(%rax),%esi
  imul   %r9d,%esi
  add    %ecx,%esi
  movslq %esi,%rsi
  movb   $0x31,0x1(%rdi,%rsi,1)
L2:
  test   $0x4,%r8b
  je     L96
  lea    0x2(%rax),%esi
  imul   %r9d,%esi
  add    %ecx,%esi
  movslq %esi,%rsi
  movb   $0x31,0x2(%rdi,%rsi,1)
L96:
  test   $0x2,%r8b
  je     L12
  lea    0x2(%rax),%esi
  imul   %r9d,%esi
  add    %ecx,%esi
  movslq %esi,%rsi
  movb   $0x31,0x3(%rdi,%rsi,1)
L12:
  and    $0x1,%r8d
  je     L121
  lea    0x3(%rax),%esi
  imul   %r9d,%esi
  add    %ecx,%esi
  movslq %esi,%rsi
  movb   $0x31,(%rdi,%rsi,1)
L121:
  test   $0x40,%dl
  je     L118
  lea    0x3(%rax),%esi
  imul   %r9d,%esi
  add    %ecx,%esi
  movslq %esi,%rsi
  movb   $0x31,0x1(%rdi,%rsi,1)
L118:
  test   $0x20,%dl
  je     L68
  lea    0x3(%rax),%esi
  imul   %r9d,%esi
  add    %ecx,%esi
  movslq %esi,%rsi
  movb   $0x31,0x2(%rdi,%rsi,1)
L68:
  test   $0x10,%dl
  je     L83
  lea    0x3(%rax),%esi
  imul   %r9d,%esi
  add    %ecx,%esi
  movslq %esi,%rsi
  movb   $0x31,0x3(%rdi,%rsi,1)
L83:
  test   $0x8,%dl
  je     L55
  lea    0x4(%rax),%esi
  imul   %r9d,%esi
  add    %ecx,%esi
  movslq %esi,%rsi
  movb   $0x31,(%rdi,%rsi,1)
L55:
  test   $0x4,%dl
  je     L46
  lea    0x4(%rax),%esi
  imul   %r9d,%esi
  add    %ecx,%esi
  movslq %esi,%rsi
  movb   $0x31,0x1(%rdi,%rsi,1)
L46:
  test   $0x2,%dl
  je     L45
  lea    0x4(%rax),%esi
  imul   %r9d,%esi
  add    %ecx,%esi
  movslq %esi,%rsi
  movb   $0x31,0x2(%rdi,%rsi,1)
L45:
  and    $0x1,%edx
  je     L85
  add    $0x4,%eax
  imul   %r9d,%eax
  add    %ecx,%eax
  cltq
  movb   $0x31,0x3(%rdi,%rax,1)
L85:
  ret
```

assistant: ```c
void place_macromodule(char grid[], int x, int y, int word1, int word2, int size) {
  int i, j;
  i = (x * 6) + 1;
  j = (y * 6) + 1;
  if (word2 & 0x40) {
    grid[(j * size) + i + 2] = '1';
  }
  if (word2 & 0x20) {
    grid[(j * size) + i + 3] = '1';
  }
  if (word2 & 0x10) {
    grid[((j + 1) * size) + i] = '1';
  }
  if (word2 & 0x08) {
    grid[((j + 1) * size) + i + 1] = '1';
  }
  if (word2 & 0x04) {
    grid[((j + 1) * size) + i + 2] = '1';
  }
  if (word2 & 0x02) {
    grid[((j + 1) * size) + i + 3] = '1';
  }
  if (word2 & 0x01) {
    grid[((j + 2) * size) + i] = '1';
  }
  if (word1 & 0x40) {
    grid[((j + 2) * size) + i + 1] = '1';
  }
  if (word1 & 0x20) {
    grid[((j + 2) * size) + i + 2] = '1';
  }
  if (word1 & 0x10) {
    grid[((j + 2) * size) + i + 3] = '1';
  }
  if (word1 & 0x08) {
    grid[((j + 3) * size) + i] = '1';
  }
  if (word1 & 0x04) {
    grid[((j + 3) * size) + i + 1] = '1';
  }
  if (word1 & 0x02) {
    grid[((j + 3) * size) + i + 2] = '1';
  }
  if (word1 & 0x01) {
    grid[((j + 3) * size) + i + 3] = '1';
  }
}
```