user: 请从给定的汇编指令推导出C源代码：

```asm
<cxpose>:
  endbr64
  push   %r15
  lea    (%rsi,%rsi,1),%rax
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  lea    0x0(,%rbx,8),%r11
  sub    $0x50,%rsp
  mov    %rdx,-0x10(%rsp)
  lea    0x0(,%rsi,4),%rdx
  mov    %rdi,0x38(%rsp)
  lea    0x1(%rax),%rdi
  add    %rdx,%rax
  test   %r8,%r8
  mov    %rsi,-0x58(%rsp)
  lea    0x1(%rdx),%rsi
  lea    0x3(%r8),%rdx
  cmovns %r8,%rdx
  mov    %rcx,0x40(%rsp)
  mov    %r8,-0x8(%rsp)
  sar    $0x2,%rdx
  mov    %r11,0x18(%rsp)
  mov    %rdx,0x10(%rsp)
  cmp    $0x3,%r8
  jle    L175
  mov    %rcx,%r15
  lea    0x1(%rax),%rcx
  shl    $0x2,%rax
  lea    -0x1(%r9),%rdx
  mov    %rax,0x30(%rsp)
  shl    $0x2,%rdi
  mov    %rbx,%r14
  mov    %rbx,%r12
  mov    %rdi,0x20(%rsp)
  shl    $0x4,%r14
  xor    %r8d,%r8d
  shl    $0x5,%r12
  lea    0x0(,%r15,8),%rax
  mov    $0x1f,%r10d
  mov    %r14,0x28(%rsp)
  lea    0x0(,%rsi,4),%rdi
  imul   %rax,%rdx
  mov    %rbp,%rsi
  mov    %rdi,-0x70(%rsp)
  lea    0x0(,%rcx,4),%r14
  add    %r11,%rsi
  test   %rax,%rax
  lea    (%rsi,%r11,1),%rcx
  cmovs  %rdx,%r8
  add    $0x1f,%rdx
  lea    (%rcx,%r11,1),%rdi
  test   %rax,%rax
  mov    %rdx,%r13
  lea    (%r9,%rbx,1),%r11
  mov    0x10(%rsp),%rbx
  mov    %rbp,%rdx
  cmovs  %r10,%r13
  shl    $0x4,%r15
  sub    %rax,%r10
  mov    -0x70(%rsp),%rbp
  mov    %rbx,-0x50(%rsp)
  lea    -0x1(,%r11,8),%rbx
  mov    %r13,-0x40(%rsp)
  mov    %r9,%r13
  shr    %r13
  mov    %rbx,-0x68(%rsp)
  lea    -0x1(,%r9,8),%rbx
  mov    %r13,-0x20(%rsp)
  mov    %r15,%r13
  mov    %r9,%r15
  mov    %r10,-0x30(%rsp)
  mov    $0x17,%r10d
  and    $0xfffffffffffffffe,%r15
  mov    %rbx,-0x60(%rsp)
  sub    %rax,%r10
  lea    0xf(%rax),%rbx
  mov    %r15,-0x18(%rsp)
  mov    %rbx,-0x38(%rsp)
  mov    %r10,-0x28(%rsp)
  mov    %r9,-0x70(%rsp)
  mov    %r8,-0x48(%rsp)
  mov    -0x10(%rsp),%r8
  nopl   0x0(%rax)
L176:
  cmpq   $0x0,-0x70(%rsp)
  jle    L63
  mov    -0x48(%rsp),%rbx
  mov    -0x40(%rsp),%r15
  add    %r8,%rbx
  cmpq   $0x1e,-0x38(%rsp)
  lea    (%r8,%r15,1),%r11
  mov    -0x60(%rsp),%r15
  seta   %r10b
  cmpq   $0x16,-0x30(%rsp)
  seta   %r9b
  and    %r10d,%r9d
  cmpq   $0xe,-0x28(%rsp)
  seta   %r10b
  and    %r10d,%r9d
  lea    (%r15,%rcx,1),%r10
  cmp    %r10,%rbx
  seta   %r10b
  cmp    %rcx,%r11
  setb   %r15b
  or     %r15d,%r10d
  mov    -0x68(%rsp),%r15
  and    %r9d,%r10d
  lea    (%r15,%rcx,1),%r9
  cmp    %r9,%rbx
  seta   %r9b
  cmp    %rdi,%r11
  setb   %r15b
  or     %r15d,%r9d
  mov    -0x68(%rsp),%r15
  and    %r10d,%r9d
  lea    (%r15,%rdx,1),%r10
  cmp    %r10,%rbx
  seta   %r10b
  cmp    %rsi,%r11
  setb   %r15b
  or     %r15d,%r10d
  test   %r10b,%r9b
  je     L280
  mov    -0x60(%rsp),%r15
  lea    (%r15,%rdx,1),%r9
  cmp    %r9,%rbx
  seta   %r9b
  cmp    %r11,%rdx
  seta   %r10b
  or     %r9b,%r10b
  je     L280
  cmpq   $0x1,-0x70(%rsp)
  je     L108
  mov    -0x20(%rsp),%rbx
  mov    %r8,%r9
  xor    %r10d,%r10d
  xor    %r11d,%r11d
L31:
  movups (%rdx,%r10,1),%xmm3
  movups (%rsi,%r10,1),%xmm2
  add    $0x1,%r11
  movups (%rcx,%r10,1),%xmm1
  movups (%rdi,%r10,1),%xmm0
  add    $0x10,%r10
  movq   %xmm3,(%r9)
  movhps %xmm3,(%r9,%rax,1)
  movq   %xmm2,0x8(%r9)
  movhps %xmm2,0x8(%rax,%r9,1)
  movq   %xmm1,0x10(%r9)
  movhps %xmm1,0x10(%rax,%r9,1)
  movq   %xmm0,0x18(%r9)
  movhps %xmm0,0x18(%rax,%r9,1)
  add    %r13,%r9
  cmp    %r11,%rbx
  jne    L31
  mov    -0x18(%rsp),%rbx
  mov    %rbx,%r11
  cmp    %rbx,-0x70(%rsp)
  je     L63
L56:
  mov    -0x58(%rsp),%r15
  mov    %rax,%r9
  imul   %r11,%r9
  lea    (%r15,%r11,1),%rbx
  lea    (%r15,%rbx,1),%r10
  mov    (%rdx,%r11,8),%r15
  mov    (%rdx,%rbx,8),%rbx
  mov    (%rdx,%r10,8),%r11
  add    -0x58(%rsp),%r10
  mov    (%rdx,%r10,8),%r10
  mov    %r15,(%r8,%r9,1)
  mov    %rbx,0x8(%r8,%r9,1)
  mov    %r11,0x10(%r8,%r9,1)
  mov    %r10,0x18(%r8,%r9,1)
L63:
  add    %r12,%rdx
  add    $0x20,%r8
  add    %r12,%rsi
  add    %r12,%rcx
  add    %r12,%rdi
  subq   $0x1,-0x50(%rsp)
  jne    L176
  mov    -0x8(%rsp),%rsi
  mov    0x10(%rsp),%rdi
  mov    $0x1,%eax
  mov    $0x20,%edx
  mov    -0x70(%rsp),%r9
  cmp    $0x3,%rsi
  cmovg  %rdi,%rax
  imul   %r12,%rax
  add    %rax,0x38(%rsp)
  mov    %rdi,%rax
  shl    $0x5,%rax
  cmp    $0x3,%rsi
  cmovle %rdx,%rax
  add    %rax,-0x10(%rsp)
L175:
  mov    -0x8(%rsp),%rax
  test   $0x3,%al
  je     L83
  test   %r9,%r9
  jle    L83
  mov    %rax,%rdx
  mov    -0x58(%rsp),%rcx
  mov    0x40(%rsp),%rdi
  sar    $0x3f,%rdx
  shr    $0x3e,%rdx
  lea    0x0(,%rcx,8),%r8
  shl    $0x3,%rdi
  add    %rdx,%rax
  and    $0x3,%eax
  sub    %rdx,%rax
  test   %rax,%rax
  jle    L83
  cmp    $0x1,%rcx
  jne    L160
  lea    -0x1(%rax),%rbp
  mov    0x38(%rsp),%r11
  mov    %rax,%rcx
  mov    -0x10(%rsp),%rsi
  mov    %rbp,%rbx
  and    $0xfffffffffffffffe,%rcx
  lea    -0x1(,%rax,8),%r10
  imul   %r8,%rbx
  lea    (%r11,%r8,1),%rdx
  add    $0x7,%rbx
  jmp    L47
  nopl   0x0(%rax,%rax,1)
L221:
  cmp    $0x1,%rax
  je     L264
  movq   (%r11),%xmm0
  mov    %rcx,%r12
  movhps (%rdx),%xmm0
  movups %xmm0,(%rsi)
  cmp    %rcx,%rax
  je     L109
L133:
  mov    %r8,%r13
  imul   %r12,%r13
  mov    (%r11,%r13,1),%r13
  mov    %r13,(%rsi,%r12,8)
L109:
  add    $0x8,%r11
  add    %rdi,%rsi
  add    $0x8,%rdx
  sub    $0x1,%r9
  je     L83
L47:
  lea    (%rsi,%r10,1),%r12
  cmp    %r12,%r11
  ja     L221
  lea    (%r11,%rbx,1),%r12
  cmp    %r12,%rsi
  ja     L221
  mov    (%r11),%r12
  mov    %r12,(%rsi)
  test   %rbp,%rbp
  je     L109
  mov    (%rdx),%r12
  mov    %r12,0x8(%rsi)
  cmp    $0x3,%rax
  jne    L109
  mov    (%rdx,%r8,1),%r12
  mov    %r12,0x10(%rsi)
  jmp    L109
  nopl   0x0(%rax)
L83:
  add    $0x50,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L280:
  mov    %r12,(%rsp)
  mov    %rdx,%r9
  mov    -0x70(%rsp),%r11
  mov    %r8,%r10
  mov    0x28(%rsp),%rbx
  mov    0x30(%rsp),%r12
  mov    %rdx,0x8(%rsp)
  mov    0x18(%rsp),%r15
  mov    0x20(%rsp),%rdx
  nopl   0x0(%rax,%rax,1)
L55:
  movss  (%r9,%r14,1),%xmm0
  movss  (%r9,%r12,1),%xmm1
  add    $0x8,%r9
  movss  -0x8(%r9,%rbp,1),%xmm2
  movss  -0x4(%r9),%xmm3
  unpcklps %xmm0,%xmm1
  movss  -0x8(%r9,%rbx,1),%xmm0
  unpcklps %xmm2,%xmm0
  movss  -0x8(%r9,%r15,1),%xmm2
  movlhps %xmm1,%xmm0
  movss  -0x8(%r9,%rdx,1),%xmm1
  unpcklps %xmm1,%xmm2
  movss  -0x8(%r9),%xmm1
  movups %xmm0,0x10(%r10)
  unpcklps %xmm3,%xmm1
  movlhps %xmm2,%xmm1
  movups %xmm1,(%r10)
  add    %rax,%r10
  sub    $0x1,%r11
  jne    L55
  mov    (%rsp),%r12
  mov    0x8(%rsp),%rdx
  jmp    L63
L108:
  xor    %r11d,%r11d
  jmp    L56
L264:
  xor    %r12d,%r12d
  jmp    L133
L160:
  lea    -0x1(%rax),%rbp
  mov    %r8,%r11
  mov    $0x7,%ecx
  mov    0x38(%rsp),%r10
  imul   %rbp,%r11
  cmpq   $0x0,0x18(%rsp)
  mov    -0x10(%rsp),%rsi
  lea    -0x1(,%rax,8),%rbx
  lea    (%r10,%r8,1),%rdx
  lea    0x7(%r11),%r12
  cmovs  %rcx,%r12
  mov    $0x0,%ecx
  cmovns %rcx,%r11
  mov    %rax,%rcx
  and    $0xfffffffffffffffe,%rcx
  jmp    L186
L336:
  cmp    $0x1,%rax
  je     L114
  movq   (%r10),%xmm0
  mov    %rcx,%r13
  movhps (%rdx),%xmm0
  movups %xmm0,(%rsi)
  cmp    %rcx,%rax
  je     L44
L299:
  mov    %r8,%r14
  imul   %r13,%r14
  mov    (%r10,%r14,1),%r14
  mov    %r14,(%rsi,%r13,8)
L44:
  add    $0x8,%r10
  add    %rdi,%rsi
  add    $0x8,%rdx
  sub    $0x1,%r9
  je     L83
L186:
  lea    (%r10,%r11,1),%r14
  lea    (%rsi,%rbx,1),%r13
  cmp    %r13,%r14
  ja     L336
  lea    (%r10,%r12,1),%r13
  cmp    %r13,%rsi
  ja     L336
  mov    (%r10),%r13
  mov    %r13,(%rsi)
  test   %rbp,%rbp
  je     L44
  mov    (%rdx),%r13
  mov    %r13,0x8(%rsi)
  cmp    $0x3,%rax
  jne    L44
  mov    (%rdx,%r8,1),%r13
  mov    %r13,0x10(%rsi)
  jmp    L44
L114:
  xor    %r13d,%r13d
  jmp    L299
```

assistant: ```c
void cxpose(float *indata, long iRsiz, float *outdata, long oRsiz, long Nrows, long Ncols) {
  float *irow;
  float *ocol;
  float *idata;
  float *odata;
  long RowCnt;
  long ColCnt;
  float T0r;
  float T0i;
  float T1r;
  float T1i;
  float T2r;
  float T2i;
  float T3r;
  float T3i;
  const long inRsizd1 = 2 * iRsiz;
  const long inRsizd1i = 2 * iRsiz + 1;
  const long inRsizd2 = 4 * iRsiz;
  const long inRsizd2i = 4 * iRsiz + 1;
  const long inRsizd3 = inRsizd2 + inRsizd1;
  const long inRsizd3i = inRsizd2 + inRsizd1 + 1;
  const long inRsizd4 = 8 * iRsiz;
  ocol = outdata;
  irow = indata;
  for (RowCnt = Nrows / 4; RowCnt > 0; RowCnt--) {
    idata = irow;
    odata = ocol;
    for (ColCnt = Ncols; ColCnt > 0; ColCnt--) {
      T0r = *idata;
      T0i = *(idata + 1);
      T1r = *(idata + inRsizd1);
      T1i = *(idata + inRsizd1i);
      T2r = *(idata + inRsizd2);
      T2i = *(idata + inRsizd2i);
      T3r = *(idata + inRsizd3);
      T3i = *(idata + inRsizd3i);
      *odata = T0r;
      *(odata + 1) = T0i;
      *(odata + 2) = T1r;
      *(odata + 3) = T1i;
      *(odata + 4) = T2r;
      *(odata + 5) = T2i;
      *(odata + 6) = T3r;
      *(odata + 7) = T3i;
      idata += 2;
      odata += 2 * oRsiz;
    }
    irow += inRsizd4;
    ocol += 8;
  }
  if (Nrows % 4 != 0) {
    for (ColCnt = Ncols; ColCnt > 0; ColCnt--) {
      idata = irow;
      odata = ocol;
      for (RowCnt = Nrows % 4; RowCnt > 0; RowCnt--) {
        T0r = *idata;
        T0i = *(idata + 1);
        *odata = T0r;
        *(odata + 1) = T0i;
        odata += 2;
        idata += 2 * iRsiz;
      }
      irow += 2;
      ocol += 2 * oRsiz;
    }
  }
}
```