user: 下面的汇编指令对应的C源代码是什么:

```asm
<editdist>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %ecx,%ebx
  sub    $0x68,%rsp
  test   %edx,%edx
  je     L139
  mov    %edx,%ebp
  mov    %edx,%eax
  test   %ecx,%ecx
  jne    L159
  add    $0x68,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L159:
  movslq %ecx,%rax
  mov    %rdi,%r12
  lea    -0x1(%rcx),%r9d
  mov    %rsi,%r13
  add    %rsi,%rax
  mov    %rax,0x10(%rsp)
  movslq %edx,%rax
  lea    (%rdi,%rax,1),%rdi
  mov    %edx,%eax
  sub    $0x1,%eax
  mov    %rdi,0x8(%rsp)
  mov    %eax,0x4(%rsp)
  je     L67
  mov    %edx,%r15d
  mov    %ecx,%eax
  sub    $0x2,%r15d
  je     L92
  lea    -0x3(%rdx),%r14d
  mov    %r12,%rdi
  mov    %r9d,0x18(%rsp)
  mov    %r14d,%edx
  call   <editdist>
  mov    0x18(%rsp),%r9d
  mov    %r15d,%edx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %eax,0x28(%rsp)
  mov    %r9d,%ecx
  mov    %r9d,0x20(%rsp)
  call   <editdist>
  mov    0x20(%rsp),%ecx
  mov    %r14d,%edx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %eax,0x18(%rsp)
  call   <editdist>
  movslq %r15d,%rdx
  mov    0x18(%rsp),%esi
  mov    0x28(%rsp),%edi
  mov    0x10(%rsp),%rcx
  movzbl (%rcx),%ecx
  cmp    %cl,(%r12,%rdx,1)
  setne  %dl
  add    $0x1,%esi
  add    $0x1,%edi
  movzbl %dl,%edx
  add    %eax,%edx
  call   <minthree@plt>
  mov    0x20(%rsp),%r9d
L92:
  movslq 0x4(%rsp),%r8
  lea    0x1(%rax),%r10d
  mov    %r8,0x20(%rsp)
  lea    (%r12,%r8,1),%r14
  test   %r9d,%r9d
  je     L158
  mov    %r9d,%ecx
  mov    %r15d,%edx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %r10d,0x38(%rsp)
  mov    %r9d,0x18(%rsp)
  call   <editdist>
  mov    0x4(%rsp),%edx
  lea    -0x2(%rbx),%ecx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %ecx,0x28(%rsp)
  mov    %eax,0x2c(%rsp)
  call   <editdist>
  mov    0x28(%rsp),%ecx
  mov    %r15d,%edx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %eax,0x40(%rsp)
  call   <editdist>
  movslq 0x18(%rsp),%rdx
  mov    0x40(%rsp),%edi
  lea    0x0(%r13,%rdx,1),%rsi
  mov    %edx,0x30(%rsp)
  movzbl (%rsi),%edx
  cmp    %dl,(%r14)
  mov    %rsi,0x18(%rsp)
  setne  %dl
  add    $0x1,%edi
  mov    %edi,%esi
  mov    0x2c(%rsp),%edi
  movzbl %dl,%edx
  add    %eax,%edx
  add    $0x1,%edi
  call   <minthree@plt>
  mov    0x30(%rsp),%r9d
  mov    0x38(%rsp),%r10d
  add    $0x1,%eax
  test   %r15d,%r15d
  mov    0x20(%rsp),%r8
  mov    %eax,0x40(%rsp)
  je     L81
  lea    -0x3(%rbp),%r11d
  mov    %r9d,%ecx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %r11d,%edx
  mov    %r8,0x48(%rsp)
  mov    %r10d,0x44(%rsp)
  mov    %r9d,0x38(%rsp)
  mov    %r11d,0x30(%rsp)
  call   <editdist>
  mov    0x28(%rsp),%ecx
  mov    %r15d,%edx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %eax,0x20(%rsp)
  call   <editdist>
  mov    0x28(%rsp),%ecx
  mov    0x30(%rsp),%edx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %eax,0x2c(%rsp)
  call   <editdist>
  mov    0x18(%rsp),%rsi
  movslq %r15d,%rdx
  mov    0x20(%rsp),%edi
  movzbl (%rsi),%ecx
  cmp    %cl,(%r12,%rdx,1)
  setne  %dl
  mov    0x2c(%rsp),%esi
  add    $0x1,%edi
  movzbl %dl,%edx
  add    %eax,%edx
  add    $0x1,%esi
  call   <minthree@plt>
  mov    0x38(%rsp),%r9d
  mov    0x44(%rsp),%r10d
  mov    0x48(%rsp),%r8
L111:
  mov    0x10(%rsp),%rcx
  xor    %edx,%edx
  mov    0x40(%rsp),%esi
  mov    %r10d,%edi
  mov    %r8,0x38(%rsp)
  movzbl (%rcx),%ecx
  cmp    %cl,(%r14)
  mov    %r9d,0x20(%rsp)
  setne  %dl
  add    %eax,%edx
  call   <minthree@plt>
  mov    0x20(%rsp),%r9d
  mov    %r15d,%edx
  mov    %r13,%rsi
  lea    0x1(%rax),%r11d
  mov    %r12,%rdi
  mov    %r9d,%ecx
  mov    %r11d,0x30(%rsp)
  mov    %r9d,0x40(%rsp)
  call   <editdist>
  mov    0x28(%rsp),%ecx
  mov    0x4(%rsp),%edx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %eax,0x20(%rsp)
  call   <editdist>
  mov    0x28(%rsp),%ecx
  mov    %r15d,%edx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %eax,0x2c(%rsp)
  call   <editdist>
  mov    0x18(%rsp),%rdx
  mov    0x2c(%rsp),%esi
  mov    0x20(%rsp),%edi
  movzbl (%rdx),%edx
  cmp    %dl,(%r14)
  setne  %dl
  add    $0x1,%esi
  add    $0x1,%edi
  movzbl %dl,%edx
  add    %eax,%edx
  call   <minthree@plt>
  mov    0x40(%rsp),%r9d
  mov    0x30(%rsp),%r11d
  lea    0x1(%rax),%r14d
  mov    0x28(%rsp),%eax
  mov    0x38(%rsp),%r8
  test   %eax,%eax
  jne    L35
  lea    (%r12,%r8,1),%rax
  mov    0x8(%rsp),%rcx
  xor    %edx,%edx
  mov    %r14d,%edi
  mov    %rax,0x20(%rsp)
  mov    0x18(%rsp),%rax
  lea    0x1(%rbp),%esi
  movzbl (%rcx),%ecx
  mov    %r11d,0x40(%rsp)
  cmp    %cl,(%rax)
  mov    %r9d,0x2c(%rsp)
  setne  %dl
  add    0x4(%rsp),%edx
  call   <minthree@plt>
  test   %r15d,%r15d
  mov    0x2c(%rsp),%r9d
  mov    0x40(%rsp),%r11d
  lea    0x1(%rax),%r14d
  je     L45
L116:
  lea    -0x3(%rbp),%eax
  mov    %r9d,%ecx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %eax,%edx
  mov    %r11d,0x44(%rsp)
  mov    %eax,0x2c(%rsp)
  call   <editdist>
  mov    0x28(%rsp),%ecx
  mov    %r15d,%edx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %eax,0x40(%rsp)
  call   <editdist>
  mov    0x28(%rsp),%ecx
  mov    0x2c(%rsp),%edx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %eax,0x30(%rsp)
  call   <editdist>
  mov    0x18(%rsp),%rdx
  movslq %r15d,%rsi
  mov    0x40(%rsp),%edi
  mov    %rsi,0x38(%rsp)
  movzbl (%rdx),%edx
  cmp    %dl,(%r12,%rsi,1)
  setne  %dl
  mov    0x30(%rsp),%esi
  add    $0x1,%edi
  movzbl %dl,%edx
  add    %eax,%edx
  add    $0x1,%esi
  call   <minthree@plt>
  mov    0x28(%rsp),%edx
  mov    0x44(%rsp),%r11d
  lea    0x1(%rax),%r9d
  test   %edx,%edx
  je     L131
  mov    0x28(%rsp),%ecx
  mov    %r15d,%edx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %r11d,0x48(%rsp)
  sub    $0x3,%ebx
  mov    %r9d,0x44(%rsp)
  call   <editdist>
  mov    0x4(%rsp),%edx
  mov    %ebx,%ecx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %eax,0x40(%rsp)
  call   <editdist>
  mov    %ebx,%ecx
  mov    %r15d,%edx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %eax,%ebp
  call   <editdist>
  movslq 0x28(%rsp),%rdx
  mov    0x20(%rsp),%rsi
  mov    0x40(%rsp),%edi
  lea    0x0(%r13,%rdx,1),%r8
  movzbl (%rsi),%esi
  cmp    %sil,(%r8)
  lea    0x1(%rbp),%esi
  mov    %r8,0x30(%rsp)
  setne  %dl
  add    $0x1,%edi
  movzbl %dl,%edx
  add    %eax,%edx
  call   <minthree@plt>
  mov    0x28(%rsp),%ecx
  mov    0x2c(%rsp),%edx
  mov    %r13,%rsi
  mov    %r12,%rdi
  lea    0x1(%rax),%ebp
  call   <editdist>
  mov    %ebx,%ecx
  mov    %r15d,%edx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %eax,0x4(%rsp)
  call   <editdist>
  mov    0x2c(%rsp),%edx
  mov    %ebx,%ecx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %eax,%r15d
  call   <editdist>
  mov    0x38(%rsp),%rbx
  mov    0x4(%rsp),%edi
  xor    %edx,%edx
  mov    0x30(%rsp),%r8
  lea    0x1(%r15),%esi
  movzbl (%r8),%ecx
  cmp    %cl,(%r12,%rbx,1)
  setne  %dl
  add    $0x1,%edi
  add    %eax,%edx
  call   <minthree@plt>
  mov    0x44(%rsp),%r9d
  mov    0x48(%rsp),%r11d
  mov    %eax,%r15d
L131:
  mov    0x20(%rsp),%rax
  mov    0x18(%rsp),%rcx
  xor    %edx,%edx
  mov    %r9d,%edi
  mov    %ebp,%esi
  mov    %r11d,0x4(%rsp)
  movzbl (%rcx),%ecx
  cmp    %cl,(%rax)
  setne  %dl
  add    %r15d,%edx
  call   <minthree@plt>
  mov    0x4(%rsp),%r11d
  mov    %eax,%r9d
  jmp    L53
  nopl   0x0(%rax,%rax,1)
L139:
  add    $0x68,%rsp
  mov    %ecx,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L67:
  lea    0x1(%rcx),%r11d
  mov    $0x2,%r14d
  test   %r9d,%r9d
  jne    L134
L53:
  mov    0x8(%rsp),%rax
  mov    0x10(%rsp),%rbx
  xor    %edx,%edx
  mov    %r14d,%esi
  mov    %r11d,%edi
  movzbl (%rbx),%ebx
  cmp    %bl,(%rax)
  setne  %dl
  add    $0x68,%rsp
  pop    %rbx
  add    %r9d,%edx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1050 <minthree@plt>
  nopw   0x0(%rax,%rax,1)
L158:
  mov    0x10(%rsp),%rax
  xor    %edx,%edx
  mov    %ebp,%esi
  mov    %r10d,%edi
  movzbl (%rax),%eax
  cmp    %al,(%r14)
  lea    0x1(%rbp),%r14d
  setne  %dl
  add    %r15d,%edx
  call   <minthree@plt>
  mov    0x4(%rsp),%r9d
  lea    0x1(%rax),%r11d
  jmp    L53
  nopl   0x0(%rax)
L134:
  movslq %r9d,%rax
  add    %r13,%rax
  mov    %rax,0x18(%rsp)
  mov    %ebx,%eax
  sub    $0x2,%eax
  mov    %eax,0x28(%rsp)
  je     L30
  mov    %ebx,%r14d
  mov    %eax,%ecx
L129:
  mov    0x4(%rsp),%edx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %r9d,0x40(%rsp)
  mov    %r11d,0x30(%rsp)
  call   <editdist>
  mov    %ebp,%edx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %eax,%r15d
  lea    -0x3(%rbx),%eax
  mov    %eax,%ecx
  mov    %eax,0x2c(%rsp)
  call   <editdist>
  mov    0x2c(%rsp),%ecx
  mov    0x4(%rsp),%edx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %eax,0x20(%rsp)
  call   <editdist>
  movslq 0x28(%rsp),%r10
  mov    0x20(%rsp),%esi
  xor    %edx,%edx
  mov    0x8(%rsp),%r8
  lea    0x1(%r15),%edi
  mov    %r10,0x58(%rsp)
  add    %r13,%r10
  movzbl (%r10),%r11d
  cmp    %r11b,(%r8)
  mov    %r10,0x50(%rsp)
  setne  %dl
  add    $0x1,%esi
  add    %eax,%edx
  call   <minthree@plt>
  mov    0x4(%rsp),%ecx
  mov    0x40(%rsp),%r9d
  mov    0x30(%rsp),%r11d
  lea    0x1(%rax),%r8d
  test   %ecx,%ecx
  je     L32
  lea    -0x2(%rbp),%r15d
  mov    0x28(%rsp),%ecx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %r15d,%edx
  mov    %r11d,0x48(%rsp)
  mov    %r9d,0x38(%rsp)
  mov    %r8d,0x44(%rsp)
  call   <editdist>
  mov    0x2c(%rsp),%ecx
  mov    0x4(%rsp),%edx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %eax,0x40(%rsp)
  call   <editdist>
  mov    0x2c(%rsp),%ecx
  mov    %r15d,%edx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %eax,0x30(%rsp)
  call   <editdist>
  movslq 0x4(%rsp),%rdx
  mov    0x50(%rsp),%r10
  mov    0x30(%rsp),%esi
  mov    0x40(%rsp),%edi
  lea    (%r12,%rdx,1),%rcx
  movzbl (%r10),%edx
  cmp    %dl,(%rcx)
  mov    %rcx,0x20(%rsp)
  setne  %dl
  add    $0x1,%esi
  add    $0x1,%edi
  movzbl %dl,%edx
  add    %eax,%edx
  call   <minthree@plt>
  mov    0x8(%rsp),%r8
  xor    %edx,%edx
  mov    0x44(%rsp),%esi
  mov    0x18(%rsp),%rcx
  mov    %r14d,%edi
  movzbl (%rcx),%ecx
  cmp    %cl,(%r8)
  setne  %dl
  add    %eax,%edx
  call   <minthree@plt>
  test   %r15d,%r15d
  mov    0x38(%rsp),%r9d
  mov    0x48(%rsp),%r11d
  lea    0x1(%rax),%r14d
  jne    L116
  mov    0x28(%rsp),%ecx
  xor    %edx,%edx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %r11d,0x40(%rsp)
  call   <editdist>
  mov    0x2c(%rsp),%ecx
  mov    0x4(%rsp),%edx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %eax,%r15d
  call   <editdist>
  mov    0x2c(%rsp),%ecx
  xor    %edx,%edx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %eax,%ebp
  call   <editdist>
  mov    0x58(%rsp),%rsi
  mov    0x20(%rsp),%rdi
  xor    %edx,%edx
  movzbl (%rdi),%edi
  cmp    %dil,0x0(%r13,%rsi,1)
  lea    0x1(%rbp),%esi
  lea    0x1(%r15),%edi
  setne  %dl
  add    %eax,%edx
  call   <minthree@plt>
  mov    0x28(%rsp),%r15d
  mov    0x40(%rsp),%r11d
  mov    %ebx,%r9d
  lea    0x1(%rax),%ebp
  jmp    L131
L30:
  mov    $0x2,%r14d
  mov    $0x2,%r8d
L32:
  mov    0x18(%rsp),%rax
  mov    0x8(%rsp),%rbx
  xor    %edx,%edx
  mov    %r14d,%edi
  mov    %r8d,%esi
  mov    %r11d,0x20(%rsp)
  movzbl (%rbx),%ebx
  cmp    %bl,(%rax)
  mov    %r9d,0x4(%rsp)
  setne  %dl
  add    0x28(%rsp),%edx
  call   <minthree@plt>
  mov    0x4(%rsp),%r9d
  mov    0x20(%rsp),%r11d
  lea    0x1(%rax),%r14d
  jmp    L53
  nopl   0x0(%rax)
L45:
  mov    $0x2,%r9d
  mov    $0x2,%ebp
  jmp    L131
L35:
  mov    0x28(%rsp),%ecx
  jmp    L129
L81:
  mov    %r9d,%eax
  jmp    L111
```

assistant: ```c
int editdist(char str1[], char str2[], int m, int n) {
  if (m == 0) {
    return n;
  }
  if (n == 0) {
    return m;
  }
  int left = editdist(str1, str2, m - 1, n) + 1;
  int right = editdist(str1, str2, m, n - 1) + 1;
  int corner = editdist(str1, str2, m - 1, n - 1) + (str1[m] == str2[n] ? 0 : 1);
  return minthree(left, right, corner);
}
```