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

```asm
<count_different_trits>:
  endbr64
  mov    %edx,%eax
  xor    %r8d,%r8d
  mov    %edi,%ecx
  mov    %esi,%edx
  imul   $0xaaaaaaab,%eax,%r9d
  cmp    $0x55555555,%r9d
  jbe    L30
  mov    $0xaaaaaaab,%r8d
  mov    %rcx,%r9
  imul   %r8,%r9
  imul   %rdx,%r8
  shr    $0x21,%r9
  shr    $0x21,%r8
  lea    (%r9,%r9,2),%r9d
  lea    (%r8,%r8,2),%r8d
  sub    %r9d,%edi
  sub    %r8d,%esi
  xor    %r8d,%r8d
  cmp    %esi,%edi
  setne  %r8b
L30:
  mov    $0xaaaaaaab,%edi
  imul   %rdi,%rax
  imul   %rdi,%rcx
  imul   %rdi,%rdx
  shr    $0x21,%rax
  imul   $0xaaaaaaab,%eax,%r10d
  shr    $0x21,%rcx
  shr    $0x21,%rdx
  mov    %ecx,%esi
  mov    %rdx,%r9
  mov    %edx,%edx
  cmp    $0x55555555,%r10d
  jbe    L94
  mov    %rsi,%r10
  imul   %rdi,%r10
  imul   %rdx,%rdi
  shr    $0x21,%r10
  shr    $0x21,%rdi
  lea    (%r10,%r10,2),%r10d
  lea    (%rdi,%rdi,2),%edi
  sub    %r10d,%ecx
  sub    %edi,%r9d
  cmp    %r9d,%ecx
  setne  %cl
  movzbl %cl,%ecx
  add    %ecx,%r8d
L94:
  mov    $0xaaaaaaab,%r9d
  mov    %eax,%eax
  imul   %r9,%rax
  imul   %r9,%rsi
  imul   %r9,%rdx
  shr    $0x21,%rax
  imul   $0xaaaaaaab,%eax,%r10d
  shr    $0x21,%rsi
  shr    $0x21,%rdx
  mov    %esi,%r11d
  mov    %edx,%ecx
  cmp    $0x55555555,%r10d
  jbe    L35
  mov    %r11,%r10
  imul   %r9,%r10
  shr    $0x21,%r10
  lea    (%r10,%r10,2),%edi
  sub    %edi,%esi
  mov    %r9,%rdi
  imul   %rcx,%rdi
  shr    $0x21,%rdi
  lea    (%rdi,%rdi,2),%edi
  sub    %edi,%edx
  cmp    %edx,%esi
  setne  %dl
  movzbl %dl,%edx
  add    %edx,%r8d
L35:
  mov    $0xaaaaaaab,%esi
  mov    %eax,%eax
  mov    %r11,%rdi
  imul   %rsi,%rax
  imul   %rsi,%rdi
  imul   %rsi,%rcx
  shr    $0x21,%rax
  imul   $0xaaaaaaab,%eax,%r10d
  shr    $0x21,%rdi
  shr    $0x21,%rcx
  mov    %edi,%r9d
  mov    %ecx,%edx
  cmp    $0x55555555,%r10d
  jbe    L44
  mov    %rdx,%r10
  imul   %rsi,%r10
  imul   %r9,%rsi
  shr    $0x21,%r10
  shr    $0x21,%rsi
  lea    (%r10,%r10,2),%r10d
  lea    (%rsi,%rsi,2),%esi
  sub    %r10d,%ecx
  sub    %esi,%edi
  cmp    %edi,%ecx
  setne  %cl
  movzbl %cl,%ecx
  add    %ecx,%r8d
L44:
  mov    $0xaaaaaaab,%esi
  mov    %eax,%eax
  imul   %rsi,%rax
  imul   %rsi,%r9
  imul   %rsi,%rdx
  shr    $0x21,%rax
  imul   $0xaaaaaaab,%eax,%r10d
  shr    $0x21,%r9
  shr    $0x21,%rdx
  mov    %r9d,%edi
  mov    %edx,%ecx
  cmp    $0x55555555,%r10d
  jbe    L85
  mov    %rcx,%r10
  imul   %rsi,%r10
  imul   %rdi,%rsi
  shr    $0x21,%r10
  shr    $0x21,%rsi
  lea    (%r10,%r10,2),%r10d
  lea    (%rsi,%rsi,2),%esi
  sub    %r10d,%edx
  sub    %esi,%r9d
  cmp    %r9d,%edx
  setne  %dl
  movzbl %dl,%edx
  add    %edx,%r8d
L85:
  mov    $0xaaaaaaab,%esi
  mov    %eax,%eax
  imul   %rsi,%rax
  imul   %rsi,%rdi
  imul   %rsi,%rcx
  shr    $0x21,%rax
  imul   $0xaaaaaaab,%eax,%r10d
  shr    $0x21,%rdi
  shr    $0x21,%rcx
  mov    %edi,%r9d
  mov    %ecx,%edx
  cmp    $0x55555555,%r10d
  jbe    L62
  mov    %rdx,%r10
  imul   %rsi,%r10
  imul   %r9,%rsi
  shr    $0x21,%r10
  shr    $0x21,%rsi
  lea    (%r10,%r10,2),%r10d
  lea    (%rsi,%rsi,2),%esi
  sub    %r10d,%ecx
  sub    %esi,%edi
  cmp    %edi,%ecx
  setne  %cl
  movzbl %cl,%ecx
  add    %ecx,%r8d
L62:
  mov    $0xaaaaaaab,%esi
  mov    %eax,%eax
  imul   %rsi,%rax
  imul   %rsi,%r9
  imul   %rsi,%rdx
  shr    $0x21,%rax
  imul   $0xaaaaaaab,%eax,%r10d
  shr    $0x21,%r9
  shr    $0x21,%rdx
  mov    %r9d,%edi
  mov    %edx,%ecx
  cmp    $0x55555555,%r10d
  jbe    L5
  mov    %rcx,%r10
  imul   %rsi,%r10
  imul   %rdi,%rsi
  shr    $0x21,%r10
  shr    $0x21,%rsi
  lea    (%r10,%r10,2),%r10d
  lea    (%rsi,%rsi,2),%esi
  sub    %r10d,%edx
  sub    %esi,%r9d
  cmp    %r9d,%edx
  setne  %dl
  movzbl %dl,%edx
  add    %edx,%r8d
L5:
  mov    $0xaaaaaaab,%r9d
  mov    %eax,%eax
  imul   %r9,%rax
  imul   %r9,%rdi
  imul   %r9,%rcx
  shr    $0x21,%rax
  imul   $0xaaaaaaab,%eax,%r10d
  shr    $0x21,%rdi
  shr    $0x21,%rcx
  mov    %edi,%r11d
  mov    %ecx,%edx
  cmp    $0x55555555,%r10d
  jbe    L13
  mov    %rdx,%r10
  imul   %r9,%r10
  shr    $0x21,%r10
  lea    (%r10,%r10,2),%esi
  sub    %esi,%ecx
  mov    %r9,%rsi
  imul   %r11,%rsi
  shr    $0x21,%rsi
  lea    (%rsi,%rsi,2),%esi
  sub    %esi,%edi
  cmp    %edi,%ecx
  setne  %cl
  movzbl %cl,%ecx
  add    %ecx,%r8d
L13:
  mov    $0xaaaaaaab,%ecx
  mov    %eax,%eax
  mov    %r11,%rsi
  imul   %rcx,%rax
  imul   %rcx,%rsi
  imul   %rcx,%rdx
  shr    $0x21,%rax
  imul   $0xaaaaaaab,%eax,%r9d
  shr    $0x21,%rsi
  shr    $0x21,%rdx
  mov    %esi,%r10d
  mov    %edx,%edi
  cmp    $0x55555555,%r9d
  jbe    L80
  mov    %rdi,%r9
  imul   %rcx,%r9
  imul   %r10,%rcx
  shr    $0x21,%r9
  shr    $0x21,%rcx
  lea    (%r9,%r9,2),%r9d
  lea    (%rcx,%rcx,2),%ecx
  sub    %r9d,%edx
  sub    %ecx,%esi
  cmp    %esi,%edx
  setne  %dl
  movzbl %dl,%edx
  add    %edx,%r8d
L80:
  mov    $0xaaaaaaab,%esi
  mov    %eax,%eax
  mov    %r10,%rcx
  imul   %rsi,%rax
  imul   %rsi,%rdi
  imul   %rsi,%rcx
  shr    $0x21,%rax
  imul   $0xaaaaaaab,%eax,%eax
  mov    %rdi,%rdx
  shr    $0x21,%rcx
  shr    $0x21,%rdx
  cmp    $0x55555555,%eax
  jbe    L58
  mov    %edx,%eax
  imul   %rsi,%rax
  shr    $0x21,%rax
  lea    (%rax,%rax,2),%eax
  sub    %eax,%edx
  mov    %ecx,%eax
  imul   %rsi,%rax
  shr    $0x21,%rax
  lea    (%rax,%rax,2),%eax
  sub    %eax,%ecx
  xor    %eax,%eax
  cmp    %ecx,%edx
  setne  %al
  add    %eax,%r8d
L58:
  mov    %r8d,%eax
  ret
```

assistant: ```c
int count_different_trits(unsigned int a, unsigned int b, unsigned int mask) {
  int position = 0;
  int result = 0;
  while (position < 10) {
    unsigned int i = a % 3;
    unsigned int j = b % 3;
    unsigned int m = mask % 3;
    if (m != 0)
      result += ((i != j) ? 1 : 0);
    a /= 3;
    b /= 3;
    mask /= 3;
    position++;
  }
  return result;
}
```