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

```asm
<intersect_bands_with_or>:
  endbr64
  push   %r12
  mov    %rcx,%rax
  push   %rbx
  test   %edi,%edi
  je     L276
  mov    %edi,%r11d
  mov    %rsi,%r9
  mov    %r8,%rbx
  xor    %r12d,%r12d
  test   %edx,%edx
  jle    L180
  cs nopw 0x0(%rax,%rax,1)
L212:
  movzbl (%r9),%ecx
  movzbl (%rax),%r10d
  cmp    %r10b,%cl
  ja     L306
  mov    %ecx,%r10d
  mov    %rax,%rcx
  mov    %r9,%rax
  mov    %rcx,%r9
  mov    %edx,%ecx
  mov    %r11d,%edx
  mov    %ecx,%r11d
L306:
  movzbl 0x1(%rax),%ecx
  mov    %rax,%rdi
  mov    %edx,%esi
  mov    %r9,%rax
  mov    %r11d,%edx
L219:
  test   %edx,%edx
  jg     L144
  cmp    $0x1,%esi
  je     L56
  test   %cl,%cl
  je     L284
L24:
  cmp    %cl,0x2(%rdi)
  jbe    L96
  add    $0x1,%r12d
  sub    $0x1,%esi
  mov    %r10b,(%rbx)
  lea    0x2(%rdi),%r9
  mov    %cl,0x1(%rbx)
  mov    %esi,%r11d
  je     L189
  add    $0x2,%rbx
  test   %edx,%edx
  jg     L212
  mov    %r9,%rax
  mov    %r11d,%edx
L189:
  lea    -0x1(%rdx),%r9d
  test   %edx,%edx
  jle    L251
  movslq %r12d,%r10
  lea    0x10(%rax),%rdi
  lea    (%r10,%r10,1),%rcx
  lea    (%r8,%rcx,1),%rsi
  lea    0x10(%r8,%rcx,1),%rcx
  cmp    %rcx,%rax
  setae  %cl
  cmp    %rdi,%rsi
  setae  %dil
  or     %dil,%cl
  je     L204
  cmp    $0x2,%r9d
  jbe    L204
  cmp    $0x6,%r9d
  jbe    L272
  mov    %edx,%edi
  xor    %ecx,%ecx
  shr    $0x3,%edi
  shl    $0x4,%rdi
  nopl   0x0(%rax,%rax,1)
L311:
  movdqu (%rax,%rcx,1),%xmm0
  movups %xmm0,(%rsi,%rcx,1)
  add    $0x10,%rcx
  cmp    %rdi,%rcx
  jne    L311
  mov    %edx,%ecx
  mov    %r9d,%r11d
  and    $0xfffffff8,%ecx
  mov    %ecx,%esi
  sub    %ecx,%r11d
  lea    (%rax,%rsi,2),%rdi
  lea    (%r12,%rcx,1),%esi
  cmp    %ecx,%edx
  je     L118
L152:
  sub    %ecx,%edx
  lea    -0x1(%rdx),%ebx
  cmp    $0x2,%ebx
  jbe    L10
  mov    (%rax,%rcx,2),%rax
  add    %rcx,%r10
  mov    %rax,(%r8,%r10,2)
  mov    %edx,%eax
  and    $0xfffffffc,%eax
  mov    %eax,%ecx
  add    %eax,%esi
  sub    %eax,%r11d
  lea    (%rdi,%rcx,2),%rdi
  cmp    %eax,%edx
  je     L118
L10:
  movslq %esi,%rsi
  movzbl (%rdi),%edx
  add    %rsi,%rsi
  lea    (%r8,%rsi,1),%rax
  mov    %dl,(%rax)
  movzbl 0x1(%rdi),%edx
  mov    %dl,0x1(%rax)
  test   %r11d,%r11d
  jle    L118
  movzbl 0x2(%rdi),%edx
  lea    0x2(%r8,%rsi,1),%rax
  mov    %dl,(%rax)
  movzbl 0x3(%rdi),%edx
  mov    %dl,0x1(%rax)
  cmp    $0x1,%r11d
  jle    L118
  movzbl 0x4(%rdi),%edx
  lea    0x4(%r8,%rsi,1),%rax
  mov    %dl,(%rax)
  movzbl 0x5(%rdi),%edx
  mov    %dl,0x1(%rax)
L118:
  lea    0x1(%r9,%r12,1),%r12d
L251:
  mov    %r12d,%eax
  pop    %rbx
  pop    %r12
  ret
  nopl   (%rax)
L96:
  movzbl 0x3(%rdi),%r9d
  lea    -0x1(%r9),%r11d
  cmp    %r11b,%cl
  cmovbe %r9d,%ecx
  add    $0x2,%rdi
  sub    $0x1,%esi
  test   %edx,%edx
  jle    L234
L144:
  test   %cl,%cl
  je     L208
  cmp    %cl,(%rax)
  jbe    L79
  cmp    $0x1,%esi
  jne    L24
L56:
  movslq %r12d,%rsi
  add    $0x1,%r12d
  lea    (%r8,%rsi,2),%rsi
  mov    %r10b,(%rsi)
  mov    %cl,0x1(%rsi)
  jmp    L189
  nopw   0x0(%rax,%rax,1)
L208:
  add    $0x2,%rax
  sub    $0x1,%edx
  jne    L208
  cmp    $0x1,%esi
  je     L56
L284:
  add    $0x2,%rdi
  sub    $0x1,%esi
  xor    %ecx,%ecx
L234:
  sub    $0x1,%esi
  add    $0x2,%rdi
  jmp    L176
  nopl   0x0(%rax,%rax,1)
L79:
  movzbl 0x1(%rax),%r9d
  sub    $0x1,%edx
  add    $0x2,%rax
  lea    -0x1(%r9),%r11d
  cmp    %r11b,%cl
  cmovbe %r9d,%ecx
  jmp    L219
L204:
  movslq %edx,%rdx
  mov    %rsi,%rcx
  lea    (%rax,%rdx,2),%rsi
  xchg   %ax,%ax
L301:
  movzbl (%rax),%edx
  add    $0x2,%rax
  add    $0x2,%rcx
  mov    %dl,-0x2(%rcx)
  movzbl -0x1(%rax),%edx
  mov    %dl,-0x1(%rcx)
  cmp    %rsi,%rax
  jne    L301
  jmp    L118
L180:
  mov    %rsi,%rax
  mov    %edi,%edx
L276:
  xor    %r12d,%r12d
  jmp    L189
L272:
  mov    %r9d,%r11d
  mov    %r12d,%esi
  mov    %rax,%rdi
  xor    %ecx,%ecx
  jmp    L152
```

assistant: ```c
int intersect_bands_with_or(int count1, const unsigned char (*edges1)[2], int count2, const unsigned char (*edges2)[2], unsigned char (*merged_edges)[2]) {
  int merged_count;
  merged_count = 0;
  for (; count1; edges1++, count1--) {
    unsigned char accumulated[2];
    if (count2 <= 0) {
      count2 = count1;
      edges2 = edges1;
      break;
    }
    if (edges1[0][0] > edges2[0][0]) {
      int temp_count;
      const unsigned char(*temp_edges)[2];
      temp_count = count1;
      temp_edges = edges1;
      count1 = count2;
      edges1 = edges2;
      count2 = temp_count;
      edges2 = temp_edges;
    }
    accumulated[0] = edges1[0][0];
    accumulated[1] = edges1[0][1];
    for (;; edges2++, count2--) {
      if (count2 > 0) {
        if (!accumulated[1])
          continue;
        if (edges2[0][0] <= accumulated[1]) {
          if (((edges2[0][1] - 1) & 0xFF) > ((accumulated[1] - 1) & 0xFF))
            accumulated[1] = edges2[0][1];
          continue;
        }
      }
      if (count1 - 1) {
        if (!accumulated[1]) {
          edges1++;
          count1--;
          edges2--;
          count2++;
          continue;
        }
        if (edges1[1][0] <= accumulated[1]) {
          if (((edges1[1][1] - 1) & 0xFF) > ((accumulated[1] - 1) & 0xFF))
            accumulated[1] = edges1[1][1];
          edges1++;
          count1--;
          edges2--;
          count2++;
          continue;
        }
      }
      break;
    }
    merged_edges[merged_count][0] = accumulated[0];
    merged_edges[merged_count++][1] = accumulated[1];
  }
  while (count2-- > 0) {
    merged_edges[merged_count][0] = edges2[0][0];
    merged_edges[merged_count][1] = edges2[0][1];
    merged_count++;
    edges2++;
  }
  return merged_count;
}
```