user: 这段汇编代码用C语言表示是什么样的：

```asm
<convxy_float>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,-0x30(%rsp)
  mov    %esi,%ebx
  mov    %edx,%r13d
  mov    %r8,-0x8(%rsp)
  mov    %r9d,-0x40(%rsp)
  mov    0x50(%rsp),%r11
  test   %edx,%edx
  jle    L192
  mov    %rcx,%r12
  mov    0x40(%rsp),%eax
  neg    %eax
  mov    %eax,-0x1c(%rsp)
  cltq
  neg    %rax
  shl    $0x2,%rax
  mov    %rax,-0x18(%rsp)
  movl   $0x0,-0x20(%rsp)
  movl   $0x0,-0x34(%rsp)
  pxor   %xmm3,%xmm3
  movaps %xmm3,%xmm4
  mov    0x40(%rsp),%eax
  neg    %eax
  movslq %eax,%rdi
  mov    %rdi,-0x10(%rsp)
  mov    $0x1,%edx
  sub    %esi,%edx
  mov    %edx,-0x38(%rsp)
  mov    %r9d,%edx
  add    0x40(%rsp),%edx
  lea    (%rdx,%rax,1),%r14d
  mov    %r13d,-0x28(%rsp)
  jmp    L19
L143:
  mov    %ebx,%esi
  movslq -0x20(%rsp),%rcx
  shl    $0x2,%rcx
  mov    -0x30(%rsp),%rax
  lea    (%rax,%rcx,1),%rdx
  mov    $0x0,%eax
L176:
  movss  (%rdx,%rax,4),%xmm0
  movaps %xmm0,%xmm2
  mulss  %xmm0,%xmm2
  movaps %xmm3,%xmm1
  cmpless %xmm2,%xmm1
  andps  %xmm1,%xmm0
  andnps %xmm4,%xmm1
  orps   %xmm1,%xmm0
  movss  %xmm0,(%r11,%rax,4)
  add    $0x1,%rax
  cmp    %rsi,%rax
  jne    L176
  mov    %ebx,%r13d
  sub    0x40(%rsp),%r13d
  add    -0x18(%rsp),%rcx
  mov    -0x30(%rsp),%rax
  lea    (%rax,%rcx,1),%rbp
  mov    -0x10(%rsp),%r8
  mov    -0x1c(%rsp),%ecx
  mov    $0x0,%r10d
  lea    0x4(%r12),%r15
L131:
  cmp    %ebx,%ecx
  mov    -0x38(%rsp),%edi
  lea    (%rdi,%rcx,1),%esi
  cmovl  %r10d,%esi
  lea    0x1(%rcx),%edi
  cmp    %r14d,%r8d
  cmovns -0x40(%rsp),%edi
  cmp    %edi,%esi
  jge    L150
  movslq %esi,%r9
  mov    %r8,%rax
  sub    %r9,%rax
  lea    (%r11,%rax,4),%rdx
  lea    (%r12,%r9,4),%rax
  sub    %esi,%edi
  lea    -0x1(%rdi),%esi
  add    %r9,%rsi
  lea    (%r15,%rsi,4),%rsi
  pxor   %xmm1,%xmm1
L194:
  movss  (%rdx),%xmm0
  mulss  (%rax),%xmm0
  addss  %xmm0,%xmm1
  sub    $0x4,%rdx
  add    $0x4,%rax
  cmp    %rsi,%rax
  jne    L194
L191:
  movss  %xmm1,0x0(%rbp,%r8,4)
  add    $0x1,%ecx
  add    $0x1,%r8
  cmp    %r13d,%ecx
  jne    L131
L102:
  addl   $0x1,-0x34(%rsp)
  mov    -0x34(%rsp),%eax
  add    %ebx,-0x20(%rsp)
  cmp    %eax,-0x28(%rsp)
  je     L171
L19:
  test   %ebx,%ebx
  jg     L143
  jmp    L102
L150:
  pxor   %xmm1,%xmm1
  jmp    L191
L171:
  mov    -0x28(%rsp),%r13d
L192:
  test   %ebx,%ebx
  jle    L70
  movslq %ebx,%rax
  shl    $0x2,%rax
  mov    %rax,-0x40(%rsp)
  lea    -0x1(%r13),%eax
  lea    0x4(%r11,%rax,4),%r14
  movl   $0x0,-0x20(%rsp)
  mov    0x48(%rsp),%edi
  neg    %edi
  mov    %edi,-0x18(%rsp)
  movslq %edi,%rax
  mov    %rax,-0x10(%rsp)
  mov    %r13d,%eax
  sub    0x48(%rsp),%eax
  mov    %eax,-0x38(%rsp)
  mov    $0x0,%ebp
  mov    $0x1,%eax
  sub    %r13d,%eax
  mov    %eax,-0x34(%rsp)
  mov    0x38(%rsp),%eax
  add    0x48(%rsp),%eax
  lea    (%rax,%rdi,1),%r12d
  mov    %ebx,-0x1c(%rsp)
  mov    -0x8(%rsp),%rbx
  jmp    L45
L128:
  movss  (%rdx),%xmm0
  movss  %xmm0,(%rax)
  add    -0x40(%rsp),%rdx
  add    $0x4,%rax
  cmp    %r14,%rax
  jne    L128
  mov    -0x18(%rsp),%ecx
  mov    -0x10(%rsp),%r8
  mov    -0x30(%rsp),%r10
  lea    0x4(%rbx),%r15
  mov    %r14,-0x28(%rsp)
  mov    0x38(%rsp),%r14d
L81:
  cmp    %r13d,%ecx
  mov    -0x34(%rsp),%edi
  lea    (%rdi,%rcx,1),%esi
  cmovl  %ebp,%esi
  lea    0x1(%rcx),%edi
  cmp    %r12d,%r8d
  cmovns %r14d,%edi
  cmp    %edi,%esi
  jge    L135
  movslq %esi,%r9
  mov    %r8,%rax
  sub    %r9,%rax
  lea    (%r11,%rax,4),%rdx
  lea    (%rbx,%r9,4),%rax
  sub    %esi,%edi
  lea    -0x1(%rdi),%esi
  add    %r9,%rsi
  lea    (%r15,%rsi,4),%rsi
  pxor   %xmm1,%xmm1
L72:
  movss  (%rdx),%xmm0
  mulss  (%rax),%xmm0
  addss  %xmm0,%xmm1
  sub    $0x4,%rdx
  add    $0x4,%rax
  cmp    %rsi,%rax
  jne    L72
L111:
  movss  %xmm1,(%r10)
  add    $0x1,%ecx
  add    -0x40(%rsp),%r10
  add    $0x1,%r8
  cmp    -0x38(%rsp),%ecx
  jne    L81
  mov    -0x28(%rsp),%r14
L159:
  addl   $0x1,-0x20(%rsp)
  mov    -0x20(%rsp),%eax
  addq   $0x4,-0x30(%rsp)
  cmp    %eax,-0x1c(%rsp)
  je     L70
L45:
  mov    %r11,%rax
  mov    -0x30(%rsp),%rdx
  test   %r13d,%r13d
  jg     L128
  jmp    L159
L135:
  pxor   %xmm1,%xmm1
  jmp    L111
L70:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void convxy_float(float out[], int xdim, int ydim, float filtx[], float filty[], int fxdim, int fydim, int xoff, int yoff, float buff[]) {
  int x, y, k;
  for (y = 0; y < ydim; y++) {
    for (x = 0; x < xdim; x++) {
      buff[x] = out[x + y * xdim];
      if (!((buff[x]) * (buff[x]) >= 0.))
        buff[x] = 0.0;
    }
    for (x = 0; x < xdim; x++) {
      float sum1 = 0.0;
      int fstart, fend;
      fstart = ((x - xoff >= xdim) ? x - xdim - xoff + 1 : 0);
      fend = ((x - (xoff + fxdim) < 0) ? x - xoff + 1 : fxdim);
      for (k = fstart; k < fend; k++)
        sum1 += buff[x - xoff - k] * filtx[k];
      out[x + y * xdim] = sum1;
    }
  }
  for (x = 0; x < xdim; x++) {
    for (y = 0; y < ydim; y++)
      buff[y] = out[x + y * xdim];
    for (y = 0; y < ydim; y++) {
      float sum1 = 0.0;
      int fstart, fend;
      fstart = ((y - yoff >= ydim) ? y - ydim - yoff + 1 : 0);
      fend = ((y - (yoff + fydim) < 0) ? y - yoff + 1 : fydim);
      for (k = fstart; k < fend; k++)
        sum1 += buff[y - yoff - k] * filty[k];
      out[y * xdim + x] = sum1;
    }
  }
}
```