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

```asm
<internal_fiat_secp256k1_sub>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %rsi,%r12
  mov    $0x8,%esi
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    %r12d,%edi
  sub    $0x68,%rsp
  call   <_br2_load@plt>
  lea    0x4(%r12),%edi
  mov    $0x8,%esi
  mov    %rax,%r15
  call   <_br2_load@plt>
  lea    0x8(%r12),%edi
  mov    $0x8,%esi
  mov    %rax,%r14
  call   <_br2_load@plt>
  lea    0xc(%r12),%edi
  mov    $0x8,%esi
  mov    %rax,%r13
  call   <_br2_load@plt>
  lea    0x10(%r12),%edi
  mov    $0x8,%esi
  mov    %rax,0x8(%rsp)
  call   <_br2_load@plt>
  lea    0x14(%r12),%edi
  mov    $0x8,%esi
  mov    %rax,0x10(%rsp)
  call   <_br2_load@plt>
  lea    0x18(%r12),%edi
  mov    $0x8,%esi
  mov    %rax,0x18(%rsp)
  call   <_br2_load@plt>
  lea    0x1c(%r12),%edi
  mov    $0x8,%esi
  mov    %rax,0x20(%rsp)
  call   <_br2_load@plt>
  mov    %ebp,%edi
  mov    $0x8,%esi
  mov    %rax,0x28(%rsp)
  call   <_br2_load@plt>
  lea    0x4(%rbp),%edi
  mov    $0x8,%esi
  mov    %rax,0x58(%rsp)
  call   <_br2_load@plt>
  lea    0x8(%rbp),%edi
  mov    $0x8,%esi
  mov    %rax,0x50(%rsp)
  call   <_br2_load@plt>
  lea    0xc(%rbp),%edi
  mov    $0x8,%esi
  mov    %rax,0x48(%rsp)
  call   <_br2_load@plt>
  lea    0x10(%rbp),%edi
  mov    $0x8,%esi
  mov    %rax,0x40(%rsp)
  call   <_br2_load@plt>
  lea    0x14(%rbp),%edi
  mov    $0x8,%esi
  mov    %rax,0x38(%rsp)
  call   <_br2_load@plt>
  lea    0x18(%rbp),%edi
  mov    $0x8,%esi
  mov    %rax,0x30(%rsp)
  call   <_br2_load@plt>
  lea    0x1c(%rbp),%edi
  mov    $0x8,%esi
  mov    %rax,%r12
  call   <_br2_load@plt>
  mov    0x58(%rsp),%r11
  mov    0x50(%rsp),%r10
  xor    %esi,%esi
  mov    0x48(%rsp),%r9
  mov    0x40(%rsp),%r8
  sub    %r11,%r15
  mov    0x38(%rsp),%rcx
  mov    0x30(%rsp),%rdx
  setb   %sil
  xor    %edi,%edi
  sub    %r10,%r14
  mov    0x18(%rsp),%r10
  setb   %dil
  sub    %rsi,%r14
  setb   %sil
  sub    %r9,%r13
  movzbl %sil,%esi
  setb   %r9b
  add    %rdi,%rsi
  mov    0x8(%rsp),%rdi
  movzbl %r9b,%r9d
  sub    %rsi,%r13
  setb   %sil
  sub    %r8,%rdi
  movzbl %sil,%esi
  setb   %r8b
  add    %r9,%rsi
  mov    0x10(%rsp),%r9
  movzbl %r8b,%r8d
  sub    %rsi,%rdi
  setb   %sil
  sub    %rcx,%r9
  movzbl %sil,%esi
  setb   %cl
  add    %r8,%rsi
  xor    %r8d,%r8d
  movzbl %cl,%ecx
  sub    %rsi,%r9
  setb   %r8b
  xor    %esi,%esi
  sub    %rdx,%r10
  lea    (%r8,%rcx,1),%rdx
  mov    %r10,%rcx
  setb   %sil
  xor    %r8d,%r8d
  sub    %rdx,%rcx
  mov    0x20(%rsp),%rdx
  setb   %r8b
  xor    %r10d,%r10d
  sub    %r12,%rdx
  setb   %r10b
  add    %r8,%rsi
  xor    %r11d,%r11d
  sub    %rsi,%rdx
  mov    0x28(%rsp),%rsi
  setb   %r11b
  xor    %r8d,%r8d
  sub    %rax,%rsi
  setb   %r8b
  mov    %rsi,%rax
  add    %r11,%r10
  sub    %r10,%rax
  mov    %r8d,%esi
  adc    $0x0,%esi
  test   %esi,%esi
  setne  %sil
  xor    %r11d,%r11d
  movzbl %sil,%esi
  mov    %rsi,%r8
  neg    %r8
  mov    %r8,%r10
  and    $0xfffffc2f,%r10d
  add    %r15,%r10
  setb   %r11b
  xor    %r12d,%r12d
  add    %r14,%r11
  mov    %r8,%r14
  setb   %r12b
  and    $0xfffffffe,%r14d
  add    %r11,%r14
  adc    $0x0,%r12
  xor    %ebp,%ebp
  add    %r13,%r12
  setb   %bpl
  sub    %rsi,%r12
  cmp    %r8,%r12
  adc    $0x0,%rbp
  add    %rdi,%rbp
  setb   %dil
  sub    %rsi,%rbp
  xor    %r11d,%r11d
  cmp    %rbp,%r8
  movzbl %dil,%edi
  seta   %r11b
  lea    (%r11,%rdi,1),%r13
  xor    %edi,%edi
  add    %r9,%r13
  setb   %dil
  sub    %rsi,%r13
  xor    %r9d,%r9d
  cmp    %r13,%r8
  seta   %r9b
  lea    (%r9,%rdi,1),%r15
  add    %rcx,%r15
  setb   %cl
  sub    %rsi,%r15
  xor    %edi,%edi
  cmp    %r15,%r8
  movzbl %cl,%ecx
  seta   %dil
  add    %rdi,%rcx
  mov    %ebx,%edi
  add    %rdx,%rcx
  setb   %dl
  sub    %rsi,%rcx
  cmp    %rcx,%r8
  mov    %rcx,0x10(%rsp)
  movzbl %dl,%edx
  seta   %cl
  sub    %rsi,%rax
  mov    %r10,%rsi
  movzbl %cl,%ecx
  lea    (%rcx,%rdx,1),%r8
  mov    $0x8,%edx
  add    %rax,%r8
  mov    %r8,0x8(%rsp)
  call   <_br2_store@plt>
  lea    0x4(%rbx),%edi
  mov    %r14,%rsi
  mov    $0x8,%edx
  call   <_br2_store@plt>
  lea    0x8(%rbx),%edi
  mov    %r12,%rsi
  mov    $0x8,%edx
  call   <_br2_store@plt>
  lea    0xc(%rbx),%edi
  mov    %rbp,%rsi
  mov    $0x8,%edx
  call   <_br2_store@plt>
  lea    0x10(%rbx),%edi
  mov    %r13,%rsi
  mov    $0x8,%edx
  call   <_br2_store@plt>
  lea    0x14(%rbx),%edi
  mov    %r15,%rsi
  mov    $0x8,%edx
  call   <_br2_store@plt>
  mov    0x10(%rsp),%rsi
  lea    0x18(%rbx),%edi
  mov    $0x8,%edx
  call   <_br2_store@plt>
  mov    0x8(%rsp),%rsi
  add    $0x68,%rsp
  lea    0x1c(%rbx),%edi
  mov    $0x8,%edx
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1060 <_br2_store@plt>
```

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;
}
```