user: Translate the below assembly code into C programming language:

```asm
<hash32_hsieh>:
  endbr64
  test   %rdi,%rdi
  je     L114
  mov    %esi,%r9d
  mov    %esi,%edx
  sar    $0x2,%esi
  push   %rbp
  mov    %rdi,%r8
  push   %rbx
  and    $0x3,%r9d
  test   %esi,%esi
  jle    L99
  cmp    $0x2,%esi
  jle    L58
  lea    -0x3(%rsi),%eax
  lea    -0x2(%rsi),%r10d
  mov    0x2(%rdi),%rbx
  mov    (%rdi),%r11
  and    $0xfffffffe,%eax
  mov    %esi,%edi
  mov    %r8,%rcx
  sub    %eax,%r10d
L15:
  mov    0x8(%rcx),%rbp
  sub    $0x2,%edi
  add    $0x10,%rcx
  mov    %ebp,%eax
  shl    $0x8,%eax
  add    %r11d,%eax
  add    %edx,%eax
  mov    -0x6(%rcx),%rdx
  mov    %edx,%r11d
  shl    $0x8,%r11d
  add    %ebx,%r11d
  shl    $0xb,%r11d
  xor    %eax,%r11d
  shl    $0x10,%eax
  xor    %r11d,%eax
  mov    (%rcx),%r11
  mov    %eax,%ebx
  sar    $0xb,%ebx
  add    %eax,%ebx
  mov    %r11d,%eax
  shl    $0x8,%eax
  add    %ebp,%eax
  add    %ebx,%eax
  mov    0x2(%rcx),%rbx
  mov    %ebx,%ebp
  shl    $0x8,%ebp
  add    %ebp,%edx
  shl    $0xb,%edx
  xor    %eax,%edx
  shl    $0x10,%eax
  xor    %edx,%eax
  mov    %eax,%edx
  sar    $0xb,%edx
  add    %eax,%edx
  cmp    %edi,%r10d
  jne    L15
  nopl   (%rax)
L82:
  mov    0x8(%rcx),%eax
  add    $0x8,%rcx
  shl    $0x8,%eax
  add    -0x8(%rcx),%eax
  add    %edx,%eax
  mov    0x2(%rcx),%edx
  shl    $0x8,%edx
  add    -0x6(%rcx),%edx
  shl    $0xb,%edx
  xor    %eax,%edx
  shl    $0x10,%eax
  xor    %edx,%eax
  mov    %eax,%edx
  sar    $0xb,%edx
  add    %eax,%edx
  sub    $0x1,%edi
  jne    L82
  movslq %esi,%rsi
  lea    (%r8,%rsi,8),%r8
L99:
  cmp    $0x2,%r9d
  je     L43
  cmp    $0x3,%r9d
  je     L113
  cmp    $0x1,%r9d
  je     L31
L53:
  lea    0x0(,%rdx,8),%eax
  pop    %rbx
  pop    %rbp
  xor    %eax,%edx
  mov    %edx,%eax
  sar    $0x5,%eax
  add    %edx,%eax
  mov    %eax,%edx
  shl    $0x4,%edx
  xor    %eax,%edx
  mov    %edx,%eax
  sar    $0x11,%eax
  add    %edx,%eax
  mov    %eax,%edx
  shl    $0x19,%edx
  xor    %eax,%edx
  mov    %edx,%eax
  sar    $0x6,%eax
  add    %edx,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
L43:
  mov    0x8(%r8),%eax
  shl    $0x8,%eax
  add    (%r8),%eax
  add    %edx,%eax
  mov    %eax,%edx
  shl    $0xb,%edx
  xor    %edx,%eax
  mov    %eax,%edx
  sar    $0x11,%edx
  add    %eax,%edx
  jmp    L53
  nopl   0x0(%rax)
L31:
  movsbl (%r8),%eax
  add    %eax,%edx
  mov    %edx,%eax
  shl    $0xa,%eax
  xor    %edx,%eax
  mov    %eax,%edx
  sar    %edx
  add    %eax,%edx
  jmp    L53
  nopl   (%rax)
L113:
  mov    0x8(%r8),%eax
  shl    $0x8,%eax
  add    (%r8),%eax
  add    %edx,%eax
  movsbl 0x4(%r8),%edx
  mov    %eax,%ecx
  shl    $0x12,%edx
  shl    $0x10,%ecx
  xor    %edx,%eax
  xor    %ecx,%eax
  mov    %eax,%edx
  sar    $0xb,%edx
  add    %eax,%edx
  jmp    L53
  nopl   0x0(%rax)
L114:
  xor    %eax,%eax
  ret
L58:
  mov    %esi,%edi
  mov    %r8,%rcx
  jmp    L82
```

assistant: ```c
uint32_t hash32_hsieh(const void *vdata, size_t ulen) {
  const char *data = (const char *)vdata;
  ssize_t len = ulen;
  uint32_t hash = len, tmp;
  int rem;
  if (!data)
    return 0;
  rem = len & 3;
  len >>= 2;
  for (; len > 0; len--) {
    hash += ((((uint32_t)(((const uint8_t *)(data))[1])) << 8) + (uint32_t)(((const uint8_t *)(data))[0]));
    tmp = (((((uint32_t)(((const uint8_t *)(data + 2))[1])) << 8) + (uint32_t)(((const uint8_t *)(data + 2))[0])) << 11) ^ hash;
    hash = (hash << 16) ^ tmp;
    data += 2 * sizeof(uint16_t);
    hash += hash >> 11;
  }
  switch (rem) {
  case 3:
    hash += ((((uint32_t)(((const uint8_t *)(data))[1])) << 8) + (uint32_t)(((const uint8_t *)(data))[0]));
    hash ^= hash << 16;
    hash ^= data[sizeof(uint16_t)] << 18;
    hash += hash >> 11;
    break;
  case 2:
    hash += ((((uint32_t)(((const uint8_t *)(data))[1])) << 8) + (uint32_t)(((const uint8_t *)(data))[0]));
    hash ^= hash << 11;
    hash += hash >> 17;
    break;
  case 1:
    hash += *data;
    hash ^= hash << 10;
    hash += hash >> 1;
  }
  hash ^= hash << 3;
  hash += hash >> 5;
  hash ^= hash << 4;
  hash += hash >> 17;
  hash ^= hash << 25;
  hash += hash >> 6;
  return hash;
}
```