user: 下面的汇编指令对应的C源代码是什么：

```asm
<LeeDct>:
  endbr64
  push   %r15
  lea    0x100(%rsi),%rax
  mov    %rdi,%r11
  push   %r14
  mov    %rax,%r15
  push   %r13
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %rsi,-0x10(%rsp)
  nopl   0x0(%rax,%rax,1)
L25:
  mov    (%r11),%eax
  mov    0x4(%r11),%ecx
  mov    0x8(%r11),%r9d
  mov    0x1c(%r11),%edx
  mov    0x18(%r11),%r8d
  mov    0x14(%r11),%edi
  mov    0xc(%r11),%esi
  mov    0x10(%r11),%r10d
  add    %eax,%edx
  add    %r9d,%edi
  sub    0x1c(%r11),%eax
  sub    0x14(%r11),%r9d
  add    %ecx,%r8d
  sub    0x18(%r11),%ecx
  add    %esi,%r10d
  cltq
  sub    0x10(%r11),%esi
  movslq %ecx,%rcx
  movslq %r9d,%r9
  lea    (%r8,%rdi,1),%r13d
  movslq %esi,%rsi
  imul   $0x3ec,%rax,%rax
  lea    (%rsi,%rsi,4),%rsi
  sub    %edi,%r8d
  imul   $0x353,%rcx,%rcx
  lea    (%rsi,%rsi,4),%rbx
  movslq %r8d,%r8
  imul   $0x239,%r9,%r9
  sar    $0x6,%rbx
  lea    (%rdx,%r10,1),%esi
  sub    %r10d,%edx
  sar    $0x9,%rax
  imul   $0x188,%r8,%r8
  movslq %edx,%rdx
  sar    $0x9,%rcx
  imul   $0x3b2,%rdx,%rdx
  lea    (%rbx,%rax,1),%edi
  sub    %ebx,%eax
  sar    $0x9,%r9
  cltq
  imul   $0x3b2,%rax,%rax
  lea    (%r9,%rcx,1),%r10d
  sub    %r9d,%ecx
  sar    $0x9,%r8
  movslq %ecx,%rcx
  lea    (%rdi,%r10,1),%r14d
  sub    %r10d,%edi
  sar    $0x9,%rdx
  lea    (%rsi,%r13,1),%r10d
  lea    (%r8,%rdx,1),%r12d
  movd   %r14d,%xmm3
  movslq %edi,%rdi
  imul   $0x188,%rcx,%rcx
  movslq %r10d,%r10
  sar    $0x9,%rax
  movd   %r12d,%xmm1
  imul   $0x2d4,%rdi,%rdi
  imul   $0x2d4,%r10,%r10
  sar    $0x9,%rcx
  lea    (%rcx,%rax,1),%ebx
  sar    $0x9,%rdi
  mov    %ebx,%r9d
  sub    %r14d,%r9d
  sar    $0x9,%r10
  sub    %r8d,%edx
  sub    %ecx,%eax
  sub    %r13d,%esi
  movslq %edx,%rdx
  cltq
  add    $0x20,%rbp
  imul   $0x2d4,%rdx,%rdx
  movslq %esi,%rsi
  movd   %r10d,%xmm0
  mov    %edi,%r10d
  movd   %r9d,%xmm2
  sub    %r9d,%r10d
  sub    %ebx,%r9d
  add    $0x20,%r11
  punpckldq %xmm2,%xmm1
  punpckldq %xmm3,%xmm0
  movd   %r10d,%xmm5
  sub    %edi,%r9d
  imul   $0x2d4,%rax,%rax
  sar    $0x9,%rdx
  punpcklqdq %xmm1,%xmm0
  imul   $0x2d4,%rsi,%rsi
  sub    %r12d,%edx
  movups %xmm0,-0x20(%rbp)
  movd   %edx,%xmm1
  sar    $0x9,%rax
  sar    $0x9,%rsi
  add    %eax,%r9d
  movd   %r9d,%xmm4
  movd   %esi,%xmm0
  punpckldq %xmm4,%xmm1
  punpckldq %xmm5,%xmm0
  punpcklqdq %xmm1,%xmm0
  movups %xmm0,-0x10(%rbp)
  cmp    %rbp,%r15
  jne    L25
  mov    -0x10(%rsp),%rsi
  lea    0x20(%rsi),%rdi
  nopw   0x0(%rax,%rax,1)
L90:
  mov    0x60(%rsi),%r8d
  mov    0x80(%rsi),%r12d
  mov    (%rsi),%eax
  mov    0x20(%rsi),%ecx
  add    %r8d,%r12d
  mov    0x40(%rsi),%r9d
  mov    0xe0(%rsi),%edx
  mov    0xc0(%rsi),%ebp
  mov    0xa0(%rsi),%r11d
  sub    0x80(%rsi),%r8d
  add    %eax,%edx
  sub    0xe0(%rsi),%eax
  movslq %r8d,%r8
  add    %r9d,%r11d
  add    %ecx,%ebp
  sub    0xa0(%rsi),%r9d
  lea    (%r8,%r8,4),%r8
  lea    (%r11,%rbp,1),%ebx
  sub    %r11d,%ebp
  cltq
  lea    (%r8,%r8,4),%r10
  lea    (%r12,%rdx,1),%r8d
  sub    %r12d,%edx
  movslq %ebp,%rbp
  movslq %edx,%rdx
  lea    (%rbx,%r8,1),%r11d
  sub    %ebx,%r8d
  sub    0xc0(%rsi),%ecx
  imul   $0x3b2,%rdx,%rdx
  movslq %r11d,%r11
  movslq %ecx,%rcx
  movslq %r9d,%r9
  imul   $0x188,%rbp,%rbp
  movslq %r8d,%r8
  sar    $0x6,%r10
  imul   $0x2d4,%r11,%r11
  sar    $0x9,%rdx
  imul   $0x3ec,%rax,%rax
  sar    $0x9,%rbp
  imul   $0x353,%rcx,%rcx
  imul   $0x239,%r9,%r9
  lea    (%rdx,%rbp,1),%ebx
  sub    %ebp,%edx
  sar    $0x9,%r11
  movslq %edx,%rdx
  imul   $0x2d4,%r8,%r8
  lea    0x8(%r11),%ebp
  sar    $0x9,%rax
  imul   $0x2d4,%rdx,%rdx
  sar    $0x9,%rcx
  sar    $0x4,%ebp
  sar    $0x9,%r9
  sar    $0x9,%r8
  sar    $0x9,%rdx
  sub    %ebx,%edx
  test   %r11d,%r11d
  jns    L43
  lea    0x7(%r11),%ebp
  sub    $0x8,%r11d
  cmovns %r11d,%ebp
  sar    $0x4,%ebp
L43:
  lea    0x8(%rbx),%r11d
  mov    %ebp,(%rsi)
  sar    $0x4,%r11d
  test   %ebx,%ebx
  jns    L100
  lea    0x7(%rbx),%r11d
  sub    $0x8,%ebx
  cmovns %ebx,%r11d
  sar    $0x4,%r11d
L100:
  mov    %r11d,0x40(%rsi)
  lea    0x8(%r8),%r11d
  sar    $0x4,%r11d
  test   %r8d,%r8d
  jns    L98
  lea    0x7(%r8),%r11d
  sub    $0x8,%r8d
  cmovns %r8d,%r11d
  sar    $0x4,%r11d
L98:
  lea    0x8(%rdx),%r8d
  mov    %r11d,0x80(%rsi)
  sar    $0x4,%r8d
  test   %edx,%edx
  jns    L26
  lea    0x7(%rdx),%r8d
  sub    $0x8,%edx
  cmovns %edx,%r8d
  sar    $0x4,%r8d
L26:
  lea    (%rax,%r10,1),%edx
  lea    (%rcx,%r9,1),%r11d
  sub    %r10d,%eax
  sub    %r9d,%ecx
  cltq
  movslq %ecx,%rcx
  lea    (%r11,%rdx,1),%r9d
  sub    %r11d,%edx
  imul   $0x3b2,%rax,%rax
  movslq %edx,%rdx
  mov    %r8d,0xc0(%rsi)
  imul   $0x188,%rcx,%rcx
  imul   $0x2d4,%rdx,%rdx
  sar    $0x9,%rax
  sar    $0x9,%rcx
  lea    (%rax,%rcx,1),%r10d
  sub    %ecx,%eax
  sar    $0x9,%rdx
  mov    %r10d,%r8d
  cltq
  mov    %edx,%r11d
  sub    %r9d,%r8d
  imul   $0x2d4,%rax,%rax
  mov    %r8d,%ecx
  sub    %r8d,%r11d
  sub    %r10d,%ecx
  sub    %edx,%ecx
  sar    $0x9,%rax
  lea    0x8(%r9),%edx
  add    %ecx,%eax
  sar    $0x4,%edx
  test   %r9d,%r9d
  jns    L82
  lea    0x7(%r9),%edx
  sub    $0x8,%r9d
  cmovns %r9d,%edx
  sar    $0x4,%edx
L82:
  mov    %edx,0x20(%rsi)
  lea    0x8(%r8),%edx
  sar    $0x4,%edx
  test   %r8d,%r8d
  jns    L33
  lea    0x7(%r8),%edx
  sub    $0x8,%r8d
  cmovns %r8d,%edx
  sar    $0x4,%edx
L33:
  mov    %edx,0x60(%rsi)
  lea    0x8(%r11),%edx
  sar    $0x4,%edx
  test   %r11d,%r11d
  jns    L78
  lea    0x7(%r11),%edx
  sub    $0x8,%r11d
  cmovns %r11d,%edx
  sar    $0x4,%edx
L78:
  mov    %edx,0xa0(%rsi)
  test   %eax,%eax
  js     L106
  add    $0x8,%eax
  add    $0x4,%rsi
  sar    $0x4,%eax
  mov    %eax,0xdc(%rsi)
  cmp    %rdi,%rsi
  jne    L90
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L106:
  lea    0x7(%rax),%edx
  sub    $0x8,%eax
  cmovs  %edx,%eax
  add    $0x4,%rsi
  sar    $0x4,%eax
  mov    %eax,0xdc(%rsi)
  cmp    %rsi,%rdi
  jne    L90
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void LeeDct(x, y) int *x;
int *y;
{
  register int rx0, rx1, rx2, rx3, rx4, rx5, rx6, rx7;
  register int sx0, sx1, sx2, sx3;
  register int hold, c2;
  register int *iptr, *jptr;
  for (jptr = y, iptr = x; iptr < x + 64; jptr += 8, iptr += 8) {
    rx0 = iptr[0] + iptr[7];
    sx0 = (((1004L * (iptr[0] - iptr[7]))) >> (9));
    rx1 = iptr[1] + iptr[6];
    sx1 = (((851L * (iptr[1] - iptr[6]))) >> (9));
    rx3 = iptr[2] + iptr[5];
    sx3 = (((569L * (iptr[2] - iptr[5]))) >> (9));
    rx2 = iptr[3] + iptr[4];
    sx2 = (((200L * (iptr[3] - iptr[4]))) >> (9));
    rx4 = rx0 + rx2;
    rx5 = rx1 + rx3;
    rx6 = (((946L * (rx0 - rx2))) >> (9));
    rx7 = (((392L * (rx1 - rx3))) >> (9));
    jptr[0] = (((724L * (rx4 + rx5))) >> (9));
    jptr[4] = (((724L * (rx4 - rx5))) >> (9));
    jptr[2] = hold = rx6 + rx7;
    jptr[6] = (((724L * (rx6 - rx7))) >> (9)) - hold;
    rx4 = sx0 + sx2;
    rx5 = sx1 + sx3;
    rx6 = (((946L * (sx0 - sx2))) >> (9));
    rx7 = (((392L * (sx1 - sx3))) >> (9));
    jptr[1] = hold = rx4 + rx5;
    c2 = rx6 + rx7;
    jptr[3] = hold = c2 - hold;
    jptr[5] = hold = (((724L * (rx4 - rx5))) >> (9)) - hold;
    jptr[7] = (((724L * (rx6 - rx7))) >> (9)) - c2 - hold;
  }
  for (jptr = y, iptr = y; iptr < y + 8; jptr++, iptr++) {
    rx0 = iptr[0] + iptr[56];
    sx0 = (((1004L * (iptr[0] - iptr[56]))) >> (9));
    rx1 = iptr[8] + iptr[48];
    sx1 = (((851L * (iptr[8] - iptr[48]))) >> (9));
    rx3 = iptr[16] + iptr[40];
    sx3 = (((569L * (iptr[16] - iptr[40]))) >> (9));
    rx2 = iptr[24] + iptr[32];
    sx2 = (((200L * (iptr[24] - iptr[32]))) >> (9));
    rx4 = rx0 + rx2;
    rx5 = rx1 + rx3;
    rx6 = (((946L * (rx0 - rx2))) >> (9));
    rx7 = (((392L * (rx1 - rx3))) >> (9));
    rx0 = (((724L * (rx4 + rx5))) >> (9));
    rx2 = (((724L * (rx4 - rx5))) >> (9));
    rx1 = rx6 + rx7;
    rx3 = (((724L * (rx6 - rx7))) >> (9)) - rx1;
    jptr[0] = (((rx0 < 0) ? (rx0 - 8) : (rx0 + 8)) / 16);
    ;
    jptr[16] = (((rx1 < 0) ? (rx1 - 8) : (rx1 + 8)) / 16);
    ;
    jptr[32] = (((rx2 < 0) ? (rx2 - 8) : (rx2 + 8)) / 16);
    ;
    jptr[48] = (((rx3 < 0) ? (rx3 - 8) : (rx3 + 8)) / 16);
    ;
    rx4 = sx0 + sx2;
    rx5 = sx1 + sx3;
    rx6 = (((946L * (sx0 - sx2))) >> (9));
    rx7 = (((392L * (sx1 - sx3))) >> (9));
    rx0 = rx4 + rx5;
    c2 = rx6 + rx7;
    rx1 = c2 - rx0;
    rx2 = (((724L * (rx4 - rx5))) >> (9)) - rx1;
    rx3 = (((724L * (rx6 - rx7))) >> (9)) - c2 - rx2;
    jptr[8] = (((rx0 < 0) ? (rx0 - 8) : (rx0 + 8)) / 16);
    ;
    jptr[24] = (((rx1 < 0) ? (rx1 - 8) : (rx1 + 8)) / 16);
    ;
    jptr[40] = (((rx2 < 0) ? (rx2 - 8) : (rx2 + 8)) / 16);
    ;
    jptr[56] = (((rx3 < 0) ? (rx3 - 8) : (rx3 + 8)) / 16);
    ;
  }
}
```