user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<sc_reduce32>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x48,%rsp
  call   <load_3@plt>
  lea    0x2(%rbx),%rdi
  and    $0x1fffff,%eax
  mov    %eax,0x30(%rsp)
  call   <load_4@plt>
  lea    0x5(%rbx),%rdi
  sar    $0x5,%eax
  mov    %eax,%r15d
  call   <load_3@plt>
  lea    0x7(%rbx),%rdi
  and    $0x1fffff,%r15d
  sar    $0x2,%eax
  mov    %eax,%r8d
  and    $0x1fffff,%r8d
  mov    %r8d,0x2c(%rsp)
  call   <load_4@plt>
  lea    0xa(%rbx),%rdi
  sar    $0x7,%eax
  mov    %eax,%r14d
  call   <load_4@plt>
  lea    0xd(%rbx),%rdi
  and    $0x1fffff,%r14d
  sar    $0x4,%eax
  mov    %eax,%esi
  and    $0x1fffff,%esi
  mov    %esi,0x28(%rsp)
  call   <load_3@plt>
  lea    0xf(%rbx),%rdi
  sar    %eax
  mov    %eax,%r13d
  call   <load_4@plt>
  lea    0x12(%rbx),%rdi
  and    $0x1fffff,%r13d
  sar    $0x6,%eax
  mov    %eax,%ecx
  and    $0x1fffff,%ecx
  mov    %ecx,0x24(%rsp)
  call   <load_3@plt>
  lea    0x15(%rbx),%rdi
  sar    $0x3,%eax
  mov    %eax,%r12d
  call   <load_3@plt>
  lea    0x17(%rbx),%rdi
  and    $0x1fffff,%r12d
  and    $0x1fffff,%eax
  mov    %eax,0x10(%rsp)
  call   <load_4@plt>
  lea    0x1a(%rbx),%rdi
  sar    $0x5,%eax
  mov    %eax,%ebp
  call   <load_3@plt>
  lea    0x1c(%rbx),%rdi
  and    $0x1fffff,%ebp
  sar    $0x2,%eax
  mov    %eax,%edx
  and    $0x1fffff,%edx
  mov    %edx,(%rsp)
  call   <load_4@plt>
  mov    0x30(%rsp),%r9d
  mov    0x2c(%rsp),%r8d
  sar    $0x7,%eax
  mov    0x28(%rsp),%esi
  mov    0x24(%rsp),%ecx
  mov    %eax,%r11d
  lea    0x100000(%r9),%eax
  mov    0x10(%rsp),%r10d
  mov    (%rsp),%edx
  mov    %eax,%edi
  and    $0xffe00000,%eax
  sub    %eax,%r9d
  sar    $0x15,%edi
  lea    0x100000(%r8),%eax
  add    %r15d,%edi
  mov    %eax,%r15d
  and    $0xffe00000,%eax
  sar    $0x15,%r15d
  sub    %eax,%r8d
  lea    0x100000(%rsi),%eax
  add    %r15d,%r14d
  mov    %eax,%r15d
  and    $0xffe00000,%eax
  sub    %eax,%esi
  sar    $0x15,%r15d
  lea    0x100000(%rcx),%eax
  add    %r15d,%r13d
  mov    %eax,%r15d
  and    $0xffe00000,%eax
  sub    %eax,%ecx
  sar    $0x15,%r15d
  lea    0x100000(%r10),%eax
  add    %r15d,%r12d
  mov    %eax,%r15d
  and    $0xffe00000,%eax
  sar    $0x15,%r15d
  sub    %eax,%r10d
  add    %r15d,%ebp
  lea    0x100000(%rdx),%r15d
  mov    %r15d,%eax
  and    $0xffe00000,%r15d
  sar    $0x15,%eax
  sub    %r15d,%edx
  add    %r11d,%eax
  lea    0x100000(%rdi),%r11d
  mov    %r11d,%r15d
  and    $0xffe00000,%r11d
  sar    $0x15,%r15d
  sub    %r11d,%edi
  add    %r15d,%r8d
  lea    0x100000(%r14),%r15d
  mov    %r15d,%r11d
  sar    $0x15,%r11d
  add    %esi,%r11d
  and    $0xffe00000,%r15d
  lea    0x100000(%r13),%esi
  sub    %r15d,%r14d
  mov    %esi,%r15d
  and    $0xffe00000,%esi
  sar    $0x15,%r15d
  sub    %esi,%r13d
  add    %ecx,%r15d
  lea    0x100000(%r12),%ecx
  mov    %ecx,%esi
  and    $0xffe00000,%ecx
  sar    $0x15,%esi
  sub    %ecx,%r12d
  add    %esi,%r10d
  lea    0x100000(%rbp),%esi
  mov    %esi,%ecx
  and    $0xffe00000,%esi
  sub    %esi,%ebp
  sar    $0x15,%ecx
  lea    0x100000(%rax),%esi
  add    %edx,%ecx
  mov    %esi,%edx
  and    $0xffe00000,%esi
  sar    $0x15,%edx
  sub    %esi,%eax
  imul   $0xa2c13,%edx,%esi
  add    %r9d,%esi
  imul   $0x72d18,%edx,%r9d
  add    %r9d,%edi
  imul   $0x9fb67,%edx,%r9d
  add    %r9d,%r8d
  imul   $0xfff0c653,%edx,%r9d
  add    %r14d,%r9d
  imul   $0x215d1,%edx,%r14d
  imul   $0xfff59083,%edx,%edx
  add    %r14d,%r11d
  add    %r13d,%edx
  mov    %esi,%r13d
  and    $0x1fffff,%esi
  sar    $0x15,%r13d
  add    %edi,%r13d
  mov    %r13d,%edi
  sar    $0x15,%edi
  and    $0x1fffff,%r13d
  add    %edi,%r8d
  mov    %r8d,%edi
  sar    $0x15,%edi
  add    %r9d,%edi
  mov    %r8d,%r9d
  mov    %edi,%r14d
  and    $0x1fffff,%edi
  and    $0x1fffff,%r9d
  sar    $0x15,%r14d
  add    %r11d,%r14d
  mov    %edi,%r11d
  mov    %r14d,%edi
  and    $0x1fffff,%r14d
  sar    $0x15,%edi
  add    %edi,%edx
  mov    %edx,%r8d
  and    $0x1fffff,%edx
  sar    $0x15,%r8d
  add    %r15d,%r8d
  mov    %edx,%r15d
  mov    %r8d,%edi
  and    $0x1fffff,%r8d
  sar    $0x15,%edi
  add    %r12d,%edi
  mov    %edi,%edx
  and    $0x1fffff,%edi
  sar    $0x15,%edx
  add    %r10d,%edx
  mov    %edi,%r10d
  mov    %edx,%r12d
  and    $0x1fffff,%edx
  sar    $0x15,%r12d
  add    %ebp,%r12d
  mov    %edx,%ebp
  mov    %r12d,%edx
  and    $0x1fffff,%r12d
  sar    $0x15,%edx
  add    %edx,%ecx
  mov    %ecx,%edi
  and    $0x1fffff,%ecx
  sar    $0x15,%edi
  add    %eax,%edi
  mov    %edi,%eax
  and    $0x1fffff,%edi
  sar    $0x15,%eax
  imul   $0xa2c13,%eax,%edx
  add    %esi,%edx
  imul   $0x72d18,%eax,%esi
  add    %esi,%r13d
  imul   $0x9fb67,%eax,%esi
  add    %esi,%r9d
  imul   $0xfff0c653,%eax,%esi
  add    %esi,%r11d
  imul   $0x215d1,%eax,%esi
  imul   $0xfff59083,%eax,%eax
  add    %r14d,%esi
  lea    (%rax,%r15,1),%r14d
  mov    %edx,%r15d
  and    $0x1fffff,%edx
  sar    $0x15,%r15d
  add    %r13d,%r15d
  mov    %edx,%r13d
  mov    %r15d,%eax
  sar    $0x15,%eax
  add    %r9d,%eax
  mov    %r15d,%r9d
  mov    %eax,%edx
  and    $0x1fffff,%r9d
  and    $0x1fffff,%eax
  sar    $0x15,%edx
  add    %edx,%r11d
  mov    %r11d,%edx
  and    $0x1fffff,%r11d
  sar    $0x15,%edx
  add    %edx,%esi
  mov    %esi,%edx
  and    $0x1fffff,%esi
  sar    $0x15,%edx
  add    %r14d,%edx
  mov    %esi,%r14d
  mov    %edx,%esi
  and    $0x1fffff,%edx
  sar    $0x15,%esi
  add    %r8d,%esi
  mov    %edx,%r8d
  mov    %esi,%edx
  and    $0x1fffff,%esi
  sar    $0x15,%edx
  add    %r10d,%edx
  mov    %edx,%r10d
  sar    $0x15,%r10d
  and    $0x1fffff,%edx
  add    %r10d,%ebp
  mov    %edx,%r10d
  mov    %ebp,%edx
  and    $0x1fffff,%ebp
  sar    $0x15,%edx
  mov    %ebp,(%rsp)
  add    %r12d,%edx
  mov    %r13d,%r12d
  mov    %edx,%r15d
  sar    $0x10,%r12d
  sar    $0x15,%r15d
  mov    %r15d,%ebp
  mov    %r13d,%r15d
  movzbl %r13b,%r13d
  add    %ecx,%ebp
  mov    %edx,%ecx
  sar    $0x8,%r15d
  mov    %ebp,%edx
  mov    %r15d,0x10(%rsp)
  mov    %r9d,%r15d
  and    $0x1fffff,%ecx
  sar    $0x15,%edx
  sar    $0x3,%r15d
  add    %edi,%edx
  mov    %ebp,%edi
  mov    %r9d,%ebp
  mov    %r15d,0x28(%rsp)
  shl    $0x5,%ebp
  mov    %r11d,%r15d
  and    $0x1fffff,%edi
  or     %ebp,%r12d
  mov    %r9d,%ebp
  sar    $0x13,%r9d
  mov    %r12b,0x24(%rsp)
  lea    0x0(,%rax,4),%r12d
  shl    $0x7,%r15d
  sar    $0xb,%ebp
  or     %r12d,%r9d
  mov    %eax,%r12d
  sar    $0xe,%eax
  movzbl %bpl,%ebp
  or     %r15d,%eax
  mov    %r11d,%r15d
  sar    $0x6,%r12d
  movzbl %r9b,%r9d
  sar    %r15d
  movzbl %al,%eax
  movzbl %r12b,%r12d
  mov    %r15d,0x2c(%rsp)
  mov    %r11d,%r15d
  sar    $0x11,%r11d
  sar    $0x9,%r15d
  mov    %r15d,0x30(%rsp)
  mov    %r14d,%r15d
  shl    $0x4,%r15d
  or     %r11d,%r15d
  mov    %r14d,%r11d
  sar    $0x4,%r11d
  mov    %r11d,0x34(%rsp)
  mov    %r14d,%r11d
  sar    $0x14,%r14d
  sar    $0xc,%r11d
  mov    %r11d,0x38(%rsp)
  lea    (%r8,%r8,1),%r11d
  or     %r11d,%r14d
  shl    $0x8,%rax
  mov    %esi,%r11d
  or     %r12,%rax
  mov    %r14b,0x3f(%rsp)
  shl    $0x6,%r11d
  mov    %r8d,%r14d
  shl    $0x8,%rax
  sar    $0xf,%r8d
  mov    %esi,%r12d
  or     %r9,%rax
  or     %r8d,%r11d
  movzbl 0x28(%rsp),%r8d
  sar    $0x7,%r14d
  shl    $0x8,%rax
  movzbl %r11b,%r11d
  movzbl %r14b,%r14d
  movzbl 0x38(%rsp),%r9d
  or     %rbp,%rax
  shl    $0x8,%r11
  mov    %edx,%ebp
  shl    $0x8,%rax
  or     %r14,%r11
  or     %r8,%rax
  movzbl 0x24(%rsp),%r8d
  shl    $0x8,%r11
  shl    $0x8,%rax
  or     %r8,%rax
  movzbl 0x10(%rsp),%r8d
  shl    $0x8,%rax
  or     %r8,%rax
  movzbl 0x3f(%rsp),%r8d
  shl    $0x8,%rax
  or     %r8,%r11
  or     %r13,%rax
  mov    %r10d,%r13d
  mov    %r11,%r8
  mov    %rax,0x10(%rsp)
  lea    0x0(,%r10,8),%eax
  mov    %edx,%r11d
  shl    $0x8,%r8
  or     %r9,%r8
  movzbl 0x34(%rsp),%r9d
  shl    $0x8,%r8
  or     %r9,%r8
  movzbl %r15b,%r9d
  shl    $0x8,%r8
  or     %r9,%r8
  movzbl 0x30(%rsp),%r9d
  shl    $0x8,%r8
  or     %r9,%r8
  movzbl 0x2c(%rsp),%r9d
  shl    $0x8,%r8
  or     %r9,%r8
  mov    %ecx,%r9d
  sar    $0xd,%r10d
  mov    %r8,0x18(%rsp)
  mov    %esi,%r8d
  sar    $0x12,%esi
  mov    %r10d,%r14d
  or     %eax,%esi
  mov    (%rsp),%eax
  shl    $0x5,%r9d
  movzbl %r14b,%r14d
  sar    $0x5,%r13d
  mov    %ecx,%r10d
  movdqa 0x10(%rsp),%xmm0
  sar    $0x9,%ebp
  sar    $0x3,%r10d
  mov    %eax,%r15d
  sar    $0x10,%eax
  movzbl %bpl,%ebp
  sar    $0x8,%r15d
  or     %r9d,%eax
  mov    %r10d,0x10(%rsp)
  mov    %ecx,%r9d
  movzbl %al,%eax
  movzbl %r15b,%r15d
  sar    $0x13,%ecx
  movups %xmm0,(%rbx)
  shl    $0x8,%rax
  lea    0x0(,%rdi,4),%r10d
  shl    $0x7,%r11d
  sar    $0xa,%r12d
  or     %r15,%rax
  movzbl (%rsp),%r15d
  or     %r10d,%ecx
  shl    $0x8,%rax
  mov    %edi,%r10d
  sar    $0xe,%edi
  sar    $0xb,%r9d
  or     %r15,%rax
  or     %r11d,%edi
  mov    %edx,%r11d
  shl    $0x8,%rax
  sar    $0x11,%edx
  sar    $0x6,%r10d
  or     %r14,%rax
  movzbl %r13b,%r14d
  movzbl %dl,%edx
  shl    $0x8,%rax
  sar    %r11d
  mov    %rax,%r13
  movzbl %sil,%eax
  sar    $0x2,%r8d
  or     %r14,%r13
  movzbl %r8b,%r8d
  mov    %r13,%rsi
  shl    $0x8,%rsi
  or     %rax,%rsi
  movzbl %r12b,%eax
  shl    $0x8,%rsi
  shl    $0x8,%rdx
  or     %rbp,%rdx
  mov    %rsi,%r12
  shl    $0x8,%rdx
  or     %rax,%r12
  movzbl %r11b,%eax
  mov    %rdx,%r11
  shl    $0x8,%r12
  or     %rax,%r11
  movzbl %dil,%eax
  or     %r8,%r12
  mov    %r11,%rdi
  shl    $0x8,%rdi
  or     %rax,%rdi
  movzbl %r10b,%eax
  shl    $0x8,%rdi
  mov    %rdi,%r10
  or     %rax,%r10
  movzbl %cl,%eax
  mov    %r10,%rcx
  shl    $0x8,%rcx
  or     %rax,%rcx
  movzbl %r9b,%eax
  shl    $0x8,%rcx
  mov    %rcx,%r9
  or     %rax,%r9
  movzbl 0x10(%rsp),%eax
  mov    %r12,(%rsp)
  shl    $0x8,%r9
  or     %rax,%r9
  mov    %r9,0x8(%rsp)
  movdqa (%rsp),%xmm1
  movups %xmm1,0x10(%rbx)
  add    $0x48,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void sc_reduce32(unsigned char *s) {
  int64_t s0 = 2097151 & load_3(s);
  int64_t s1 = 2097151 & (load_4(s + 2) >> 5);
  int64_t s2 = 2097151 & (load_3(s + 5) >> 2);
  int64_t s3 = 2097151 & (load_4(s + 7) >> 7);
  int64_t s4 = 2097151 & (load_4(s + 10) >> 4);
  int64_t s5 = 2097151 & (load_3(s + 13) >> 1);
  int64_t s6 = 2097151 & (load_4(s + 15) >> 6);
  int64_t s7 = 2097151 & (load_3(s + 18) >> 3);
  int64_t s8 = 2097151 & load_3(s + 21);
  int64_t s9 = 2097151 & (load_4(s + 23) >> 5);
  int64_t s10 = 2097151 & (load_3(s + 26) >> 2);
  int64_t s11 = (load_4(s + 28) >> 7);
  int64_t s12 = 0;
  int64_t carry0;
  int64_t carry1;
  int64_t carry2;
  int64_t carry3;
  int64_t carry4;
  int64_t carry5;
  int64_t carry6;
  int64_t carry7;
  int64_t carry8;
  int64_t carry9;
  int64_t carry10;
  int64_t carry11;
  carry0 = (s0 + (1 << 20)) >> 21;
  s1 += carry0;
  s0 -= carry0 << 21;
  carry2 = (s2 + (1 << 20)) >> 21;
  s3 += carry2;
  s2 -= carry2 << 21;
  carry4 = (s4 + (1 << 20)) >> 21;
  s5 += carry4;
  s4 -= carry4 << 21;
  carry6 = (s6 + (1 << 20)) >> 21;
  s7 += carry6;
  s6 -= carry6 << 21;
  carry8 = (s8 + (1 << 20)) >> 21;
  s9 += carry8;
  s8 -= carry8 << 21;
  carry10 = (s10 + (1 << 20)) >> 21;
  s11 += carry10;
  s10 -= carry10 << 21;
  carry1 = (s1 + (1 << 20)) >> 21;
  s2 += carry1;
  s1 -= carry1 << 21;
  carry3 = (s3 + (1 << 20)) >> 21;
  s4 += carry3;
  s3 -= carry3 << 21;
  carry5 = (s5 + (1 << 20)) >> 21;
  s6 += carry5;
  s5 -= carry5 << 21;
  carry7 = (s7 + (1 << 20)) >> 21;
  s8 += carry7;
  s7 -= carry7 << 21;
  carry9 = (s9 + (1 << 20)) >> 21;
  s10 += carry9;
  s9 -= carry9 << 21;
  carry11 = (s11 + (1 << 20)) >> 21;
  s12 += carry11;
  s11 -= carry11 << 21;
  s0 += s12 * 666643;
  s1 += s12 * 470296;
  s2 += s12 * 654183;
  s3 -= s12 * 997805;
  s4 += s12 * 136657;
  s5 -= s12 * 683901;
  s12 = 0;
  carry0 = s0 >> 21;
  s1 += carry0;
  s0 -= carry0 << 21;
  carry1 = s1 >> 21;
  s2 += carry1;
  s1 -= carry1 << 21;
  carry2 = s2 >> 21;
  s3 += carry2;
  s2 -= carry2 << 21;
  carry3 = s3 >> 21;
  s4 += carry3;
  s3 -= carry3 << 21;
  carry4 = s4 >> 21;
  s5 += carry4;
  s4 -= carry4 << 21;
  carry5 = s5 >> 21;
  s6 += carry5;
  s5 -= carry5 << 21;
  carry6 = s6 >> 21;
  s7 += carry6;
  s6 -= carry6 << 21;
  carry7 = s7 >> 21;
  s8 += carry7;
  s7 -= carry7 << 21;
  carry8 = s8 >> 21;
  s9 += carry8;
  s8 -= carry8 << 21;
  carry9 = s9 >> 21;
  s10 += carry9;
  s9 -= carry9 << 21;
  carry10 = s10 >> 21;
  s11 += carry10;
  s10 -= carry10 << 21;
  carry11 = s11 >> 21;
  s12 += carry11;
  s11 -= carry11 << 21;
  s0 += s12 * 666643;
  s1 += s12 * 470296;
  s2 += s12 * 654183;
  s3 -= s12 * 997805;
  s4 += s12 * 136657;
  s5 -= s12 * 683901;
  carry0 = s0 >> 21;
  s1 += carry0;
  s0 -= carry0 << 21;
  carry1 = s1 >> 21;
  s2 += carry1;
  s1 -= carry1 << 21;
  carry2 = s2 >> 21;
  s3 += carry2;
  s2 -= carry2 << 21;
  carry3 = s3 >> 21;
  s4 += carry3;
  s3 -= carry3 << 21;
  carry4 = s4 >> 21;
  s5 += carry4;
  s4 -= carry4 << 21;
  carry5 = s5 >> 21;
  s6 += carry5;
  s5 -= carry5 << 21;
  carry6 = s6 >> 21;
  s7 += carry6;
  s6 -= carry6 << 21;
  carry7 = s7 >> 21;
  s8 += carry7;
  s7 -= carry7 << 21;
  carry8 = s8 >> 21;
  s9 += carry8;
  s8 -= carry8 << 21;
  carry9 = s9 >> 21;
  s10 += carry9;
  s9 -= carry9 << 21;
  carry10 = s10 >> 21;
  s11 += carry10;
  s10 -= carry10 << 21;
  s[0] = (unsigned char)(s0 >> 0);
  s[1] = (unsigned char)(s0 >> 8);
  s[2] = (unsigned char)((s0 >> 16) | (s1 << 5));
  s[3] = (unsigned char)(s1 >> 3);
  s[4] = (unsigned char)(s1 >> 11);
  s[5] = (unsigned char)((s1 >> 19) | (s2 << 2));
  s[6] = (unsigned char)(s2 >> 6);
  s[7] = (unsigned char)((s2 >> 14) | (s3 << 7));
  s[8] = (unsigned char)(s3 >> 1);
  s[9] = (unsigned char)(s3 >> 9);
  s[10] = (unsigned char)((s3 >> 17) | (s4 << 4));
  s[11] = (unsigned char)(s4 >> 4);
  s[12] = (unsigned char)(s4 >> 12);
  s[13] = (unsigned char)((s4 >> 20) | (s5 << 1));
  s[14] = (unsigned char)(s5 >> 7);
  s[15] = (unsigned char)((s5 >> 15) | (s6 << 6));
  s[16] = (unsigned char)(s6 >> 2);
  s[17] = (unsigned char)(s6 >> 10);
  s[18] = (unsigned char)((s6 >> 18) | (s7 << 3));
  s[19] = (unsigned char)(s7 >> 5);
  s[20] = (unsigned char)(s7 >> 13);
  s[21] = (unsigned char)(s8 >> 0);
  s[22] = (unsigned char)(s8 >> 8);
  s[23] = (unsigned char)((s8 >> 16) | (s9 << 5));
  s[24] = (unsigned char)(s9 >> 3);
  s[25] = (unsigned char)(s9 >> 11);
  s[26] = (unsigned char)((s9 >> 19) | (s10 << 2));
  s[27] = (unsigned char)(s10 >> 6);
  s[28] = (unsigned char)((s10 >> 14) | (s11 << 7));
  s[29] = (unsigned char)(s11 >> 1);
  s[30] = (unsigned char)(s11 >> 9);
  s[31] = (unsigned char)(s11 >> 17);
}
```