user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<internal_fiat_secp256k1_sub>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x1d0,%rsp
  mov    %rdi,-0x1b8(%rbp)
  mov    %rsi,-0x1c0(%rbp)
  mov    %rdx,-0x1c8(%rbp)
  mov    -0x1c0(%rbp),%rax
  mov    $0x8,%esi
  mov    %eax,%edi
  call   <_br2_load@plt>
  mov    %rax,-0x1b0(%rbp)
  mov    -0x1c0(%rbp),%rax
  add    $0x4,%eax
  mov    $0x8,%esi
  mov    %eax,%edi
  call   <_br2_load@plt>
  mov    %rax,-0x1a8(%rbp)
  mov    -0x1c0(%rbp),%rax
  add    $0x8,%eax
  mov    $0x8,%esi
  mov    %eax,%edi
  call   <_br2_load@plt>
  mov    %rax,-0x1a0(%rbp)
  mov    -0x1c0(%rbp),%rax
  add    $0xc,%eax
  mov    $0x8,%esi
  mov    %eax,%edi
  call   <_br2_load@plt>
  mov    %rax,-0x198(%rbp)
  mov    -0x1c0(%rbp),%rax
  add    $0x10,%eax
  mov    $0x8,%esi
  mov    %eax,%edi
  call   <_br2_load@plt>
  mov    %rax,-0x190(%rbp)
  mov    -0x1c0(%rbp),%rax
  add    $0x14,%eax
  mov    $0x8,%esi
  mov    %eax,%edi
  call   <_br2_load@plt>
  mov    %rax,-0x188(%rbp)
  mov    -0x1c0(%rbp),%rax
  add    $0x18,%eax
  mov    $0x8,%esi
  mov    %eax,%edi
  call   <_br2_load@plt>
  mov    %rax,-0x180(%rbp)
  mov    -0x1c0(%rbp),%rax
  add    $0x1c,%eax
  mov    $0x8,%esi
  mov    %eax,%edi
  call   <_br2_load@plt>
  mov    %rax,-0x178(%rbp)
  mov    -0x1c8(%rbp),%rax
  mov    $0x8,%esi
  mov    %eax,%edi
  call   <_br2_load@plt>
  mov    %rax,-0x170(%rbp)
  mov    -0x1c8(%rbp),%rax
  add    $0x4,%eax
  mov    $0x8,%esi
  mov    %eax,%edi
  call   <_br2_load@plt>
  mov    %rax,-0x168(%rbp)
  mov    -0x1c8(%rbp),%rax
  add    $0x8,%eax
  mov    $0x8,%esi
  mov    %eax,%edi
  call   <_br2_load@plt>
  mov    %rax,-0x160(%rbp)
  mov    -0x1c8(%rbp),%rax
  add    $0xc,%eax
  mov    $0x8,%esi
  mov    %eax,%edi
  call   <_br2_load@plt>
  mov    %rax,-0x158(%rbp)
  mov    -0x1c8(%rbp),%rax
  add    $0x10,%eax
  mov    $0x8,%esi
  mov    %eax,%edi
  call   <_br2_load@plt>
  mov    %rax,-0x150(%rbp)
  mov    -0x1c8(%rbp),%rax
  add    $0x14,%eax
  mov    $0x8,%esi
  mov    %eax,%edi
  call   <_br2_load@plt>
  mov    %rax,-0x148(%rbp)
  mov    -0x1c8(%rbp),%rax
  add    $0x18,%eax
  mov    $0x8,%esi
  mov    %eax,%edi
  call   <_br2_load@plt>
  mov    %rax,-0x140(%rbp)
  mov    -0x1c8(%rbp),%rax
  add    $0x1c,%eax
  mov    $0x8,%esi
  mov    %eax,%edi
  call   <_br2_load@plt>
  mov    %rax,-0x138(%rbp)
  mov    -0x1b0(%rbp),%rax
  sub    -0x170(%rbp),%rax
  mov    %rax,-0x130(%rbp)
  mov    -0x1a8(%rbp),%rax
  sub    -0x168(%rbp),%rax
  mov    %rax,-0x128(%rbp)
  mov    -0x1b0(%rbp),%rax
  cmp    -0x130(%rbp),%rax
  setb   %al
  movzbl %al,%edx
  mov    -0x128(%rbp),%rax
  sub    %rdx,%rax
  mov    %rax,-0x120(%rbp)
  mov    -0x1a0(%rbp),%rax
  sub    -0x160(%rbp),%rax
  mov    %rax,-0x118(%rbp)
  mov    -0x1a8(%rbp),%rax
  cmp    -0x128(%rbp),%rax
  setb   %al
  movzbl %al,%edx
  mov    -0x128(%rbp),%rax
  cmp    -0x120(%rbp),%rax
  setb   %al
  movzbl %al,%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0x118(%rbp),%rax
  sub    %rdx,%rax
  mov    %rax,-0x110(%rbp)
  mov    -0x198(%rbp),%rax
  sub    -0x158(%rbp),%rax
  mov    %rax,-0x108(%rbp)
  mov    -0x1a0(%rbp),%rax
  cmp    -0x118(%rbp),%rax
  setb   %al
  movzbl %al,%edx
  mov    -0x118(%rbp),%rax
  cmp    -0x110(%rbp),%rax
  setb   %al
  movzbl %al,%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0x108(%rbp),%rax
  sub    %rdx,%rax
  mov    %rax,-0x100(%rbp)
  mov    -0x190(%rbp),%rax
  sub    -0x150(%rbp),%rax
  mov    %rax,-0xf8(%rbp)
  mov    -0x198(%rbp),%rax
  cmp    -0x108(%rbp),%rax
  setb   %al
  movzbl %al,%edx
  mov    -0x108(%rbp),%rax
  cmp    -0x100(%rbp),%rax
  setb   %al
  movzbl %al,%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0xf8(%rbp),%rax
  sub    %rdx,%rax
  mov    %rax,-0xf0(%rbp)
  mov    -0x188(%rbp),%rax
  sub    -0x148(%rbp),%rax
  mov    %rax,-0xe8(%rbp)
  mov    -0x190(%rbp),%rax
  cmp    -0xf8(%rbp),%rax
  setb   %al
  movzbl %al,%edx
  mov    -0xf8(%rbp),%rax
  cmp    -0xf0(%rbp),%rax
  setb   %al
  movzbl %al,%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0xe8(%rbp),%rax
  sub    %rdx,%rax
  mov    %rax,-0xe0(%rbp)
  mov    -0x180(%rbp),%rax
  sub    -0x140(%rbp),%rax
  mov    %rax,-0xd8(%rbp)
  mov    -0x188(%rbp),%rax
  cmp    -0xe8(%rbp),%rax
  setb   %al
  movzbl %al,%edx
  mov    -0xe8(%rbp),%rax
  cmp    -0xe0(%rbp),%rax
  setb   %al
  movzbl %al,%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0xd8(%rbp),%rax
  sub    %rdx,%rax
  mov    %rax,-0xd0(%rbp)
  mov    -0x178(%rbp),%rax
  sub    -0x138(%rbp),%rax
  mov    %rax,-0xc8(%rbp)
  mov    -0x180(%rbp),%rax
  cmp    -0xd8(%rbp),%rax
  setb   %al
  movzbl %al,%edx
  mov    -0xd8(%rbp),%rax
  cmp    -0xd0(%rbp),%rax
  setb   %al
  movzbl %al,%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0xc8(%rbp),%rax
  sub    %rdx,%rax
  mov    %rax,-0xc0(%rbp)
  mov    -0x178(%rbp),%rax
  cmp    -0xc8(%rbp),%rax
  setb   %al
  movzbl %al,%edx
  mov    -0xc8(%rbp),%rax
  cmp    -0xc0(%rbp),%rax
  setb   %al
  movzbl %al,%eax
  add    %edx,%eax
  test   %eax,%eax
  jne    L3
  mov    $0x0,%eax
  jmp    L17
L3:
  mov    $0xffffffffffffffff,%rax
L17:
  mov    %rax,-0xb8(%rbp)
  mov    -0xb8(%rbp),%rax
  and    $0xfffffc2f,%eax
  mov    %rax,%rdx
  mov    -0x130(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0xb0(%rbp)
  mov    -0xb0(%rbp),%rax
  cmp    -0x130(%rbp),%rax
  setb   %al
  movzbl %al,%edx
  mov    -0x120(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0xa8(%rbp)
  mov    -0xb8(%rbp),%rax
  and    $0xfffffffe,%eax
  mov    %rax,%rdx
  mov    -0xa8(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0xa0(%rbp)
  mov    -0xa8(%rbp),%rax
  cmp    -0x120(%rbp),%rax
  setb   %al
  movzbl %al,%edx
  mov    -0xb8(%rbp),%rax
  and    $0xfffffffe,%eax
  cmp    %rax,-0xa0(%rbp)
  setb   %al
  movzbl %al,%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0x110(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x98(%rbp)
  mov    -0x98(%rbp),%rdx
  mov    -0xb8(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x90(%rbp)
  mov    -0x98(%rbp),%rax
  cmp    -0x110(%rbp),%rax
  setb   %al
  movzbl %al,%edx
  mov    -0x90(%rbp),%rax
  cmp    -0xb8(%rbp),%rax
  setb   %al
  movzbl %al,%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0x100(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x88(%rbp)
  mov    -0x88(%rbp),%rdx
  mov    -0xb8(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x80(%rbp)
  mov    -0x88(%rbp),%rax
  cmp    -0x100(%rbp),%rax
  setb   %al
  movzbl %al,%edx
  mov    -0x80(%rbp),%rax
  cmp    -0xb8(%rbp),%rax
  setb   %al
  movzbl %al,%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0xf0(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x78(%rbp)
  mov    -0x78(%rbp),%rdx
  mov    -0xb8(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x70(%rbp)
  mov    -0x78(%rbp),%rax
  cmp    -0xf0(%rbp),%rax
  setb   %al
  movzbl %al,%edx
  mov    -0x70(%rbp),%rax
  cmp    -0xb8(%rbp),%rax
  setb   %al
  movzbl %al,%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0xe0(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x68(%rbp)
  mov    -0x68(%rbp),%rdx
  mov    -0xb8(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x60(%rbp)
  mov    -0x68(%rbp),%rax
  cmp    -0xe0(%rbp),%rax
  setb   %al
  movzbl %al,%edx
  mov    -0x60(%rbp),%rax
  cmp    -0xb8(%rbp),%rax
  setb   %al
  movzbl %al,%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0xd0(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x58(%rbp)
  mov    -0x58(%rbp),%rdx
  mov    -0xb8(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x50(%rbp)
  mov    -0x58(%rbp),%rax
  cmp    -0xd0(%rbp),%rax
  setb   %al
  movzbl %al,%edx
  mov    -0x50(%rbp),%rax
  cmp    -0xb8(%rbp),%rax
  setb   %al
  movzbl %al,%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0xc0(%rbp),%rax
  add    %rax,%rdx
  mov    -0xb8(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x48(%rbp)
  mov    -0xb0(%rbp),%rax
  mov    %rax,-0x40(%rbp)
  mov    -0xa0(%rbp),%rax
  mov    %rax,-0x38(%rbp)
  mov    -0x90(%rbp),%rax
  mov    %rax,-0x30(%rbp)
  mov    -0x80(%rbp),%rax
  mov    %rax,-0x28(%rbp)
  mov    -0x70(%rbp),%rax
  mov    %rax,-0x20(%rbp)
  mov    -0x60(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x50(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x48(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x1b8(%rbp),%rax
  mov    %eax,%ecx
  mov    -0x40(%rbp),%rax
  mov    $0x8,%edx
  mov    %rax,%rsi
  mov    %ecx,%edi
  call   <_br2_store@plt>
  mov    -0x1b8(%rbp),%rax
  add    $0x4,%eax
  mov    %eax,%ecx
  mov    -0x38(%rbp),%rax
  mov    $0x8,%edx
  mov    %rax,%rsi
  mov    %ecx,%edi
  call   <_br2_store@plt>
  mov    -0x1b8(%rbp),%rax
  add    $0x8,%eax
  mov    %eax,%ecx
  mov    -0x30(%rbp),%rax
  mov    $0x8,%edx
  mov    %rax,%rsi
  mov    %ecx,%edi
  call   <_br2_store@plt>
  mov    -0x1b8(%rbp),%rax
  add    $0xc,%eax
  mov    %eax,%ecx
  mov    -0x28(%rbp),%rax
  mov    $0x8,%edx
  mov    %rax,%rsi
  mov    %ecx,%edi
  call   <_br2_store@plt>
  mov    -0x1b8(%rbp),%rax
  add    $0x10,%eax
  mov    %eax,%ecx
  mov    -0x20(%rbp),%rax
  mov    $0x8,%edx
  mov    %rax,%rsi
  mov    %ecx,%edi
  call   <_br2_store@plt>
  mov    -0x1b8(%rbp),%rax
  add    $0x14,%eax
  mov    %eax,%ecx
  mov    -0x18(%rbp),%rax
  mov    $0x8,%edx
  mov    %rax,%rsi
  mov    %ecx,%edi
  call   <_br2_store@plt>
  mov    -0x1b8(%rbp),%rax
  add    $0x18,%eax
  mov    %eax,%ecx
  mov    -0x10(%rbp),%rax
  mov    $0x8,%edx
  mov    %rax,%rsi
  mov    %ecx,%edi
  call   <_br2_store@plt>
  mov    -0x1b8(%rbp),%rax
  add    $0x1c,%eax
  mov    %eax,%ecx
  mov    -0x8(%rbp),%rax
  mov    $0x8,%edx
  mov    %rax,%rsi
  mov    %ecx,%edi
  call   <_br2_store@plt>
  nop
  leave
  ret
```

assistant: ```c
void internal_fiat_secp256k1_sub(uintptr_t out0, uintptr_t in0, uintptr_t in1) {
  uintptr_t x8, x9, x0, x10, x1, x17, x11, x2, x19, x12, x3, x21, x13, x4, x23, x14, x5, x25, x15, x6, x27, x7, x29, x16, x33, x18, x35, x20, x37, x22, x39, x24, x41, x26, x43, x28, x30, x31, x32, x34, x36, x38, x40, x42, x44, x45, x46, x47, x48, x49, x50, x51, x52, x53;
  x0 = _br2_load((in0) + ((uintptr_t)0ULL), sizeof(uintptr_t));
  x1 = _br2_load((in0) + ((uintptr_t)4ULL), sizeof(uintptr_t));
  x2 = _br2_load((in0) + ((uintptr_t)8ULL), sizeof(uintptr_t));
  x3 = _br2_load((in0) + ((uintptr_t)12ULL), sizeof(uintptr_t));
  x4 = _br2_load((in0) + ((uintptr_t)16ULL), sizeof(uintptr_t));
  x5 = _br2_load((in0) + ((uintptr_t)20ULL), sizeof(uintptr_t));
  x6 = _br2_load((in0) + ((uintptr_t)24ULL), sizeof(uintptr_t));
  x7 = _br2_load((in0) + ((uintptr_t)28ULL), sizeof(uintptr_t));
  x8 = _br2_load((in1) + ((uintptr_t)0ULL), sizeof(uintptr_t));
  x9 = _br2_load((in1) + ((uintptr_t)4ULL), sizeof(uintptr_t));
  x10 = _br2_load((in1) + ((uintptr_t)8ULL), sizeof(uintptr_t));
  x11 = _br2_load((in1) + ((uintptr_t)12ULL), sizeof(uintptr_t));
  x12 = _br2_load((in1) + ((uintptr_t)16ULL), sizeof(uintptr_t));
  x13 = _br2_load((in1) + ((uintptr_t)20ULL), sizeof(uintptr_t));
  x14 = _br2_load((in1) + ((uintptr_t)24ULL), sizeof(uintptr_t));
  x15 = _br2_load((in1) + ((uintptr_t)28ULL), sizeof(uintptr_t));
  x16 = (x0) - (x8);
  x17 = (x1) - (x9);
  x18 = (x17) - ((x0) < (x16));
  x19 = (x2) - (x10);
  x20 = (x19) - (((x1) < (x17)) + ((x17) < (x18)));
  x21 = (x3) - (x11);
  x22 = (x21) - (((x2) < (x19)) + ((x19) < (x20)));
  x23 = (x4) - (x12);
  x24 = (x23) - (((x3) < (x21)) + ((x21) < (x22)));
  x25 = (x5) - (x13);
  x26 = (x25) - (((x4) < (x23)) + ((x23) < (x24)));
  x27 = (x6) - (x14);
  x28 = (x27) - (((x5) < (x25)) + ((x25) < (x26)));
  x29 = (x7) - (x15);
  x30 = (x29) - (((x6) < (x27)) + ((x27) < (x28)));
  x31 = ((uintptr_t)-1ULL) + ((((x7) < (x29)) + ((x29) < (x30))) == ((uintptr_t)0ULL));
  x32 = (x16) + ((x31) & ((uintptr_t)4294966319ULL));
  x33 = ((x32) < (x16)) + (x18);
  x34 = (x33) + ((x31) & ((uintptr_t)4294967294ULL));
  x35 = (((x33) < (x18)) + ((x34) < ((x31) & ((uintptr_t)4294967294ULL)))) + (x20);
  x36 = (x35) + (x31);
  x37 = (((x35) < (x20)) + ((x36) < (x31))) + (x22);
  x38 = (x37) + (x31);
  x39 = (((x37) < (x22)) + ((x38) < (x31))) + (x24);
  x40 = (x39) + (x31);
  x41 = (((x39) < (x24)) + ((x40) < (x31))) + (x26);
  x42 = (x41) + (x31);
  x43 = (((x41) < (x26)) + ((x42) < (x31))) + (x28);
  x44 = (x43) + (x31);
  x45 = ((((x43) < (x28)) + ((x44) < (x31))) + (x30)) + (x31);
  x46 = x32;
  x47 = x34;
  x48 = x36;
  x49 = x38;
  x50 = x40;
  x51 = x42;
  x52 = x44;
  x53 = x45;
  _br2_store((out0) + ((uintptr_t)0ULL), x46, sizeof(uintptr_t));
  _br2_store((out0) + ((uintptr_t)4ULL), x47, sizeof(uintptr_t));
  _br2_store((out0) + ((uintptr_t)8ULL), x48, sizeof(uintptr_t));
  _br2_store((out0) + ((uintptr_t)12ULL), x49, sizeof(uintptr_t));
  _br2_store((out0) + ((uintptr_t)16ULL), x50, sizeof(uintptr_t));
  _br2_store((out0) + ((uintptr_t)20ULL), x51, sizeof(uintptr_t));
  _br2_store((out0) + ((uintptr_t)24ULL), x52, sizeof(uintptr_t));
  _br2_store((out0) + ((uintptr_t)28ULL), x53, sizeof(uintptr_t));
  return;
}
```