user: 请从给定的汇编指令推导出C源代码:

```asm
<MakeDiffMx>:
  endbr64
  push   %r15
  push   %r14
  mov    %ecx,%r14d
  push   %r13
  push   %r12
  mov    %rdi,%r12
  lea    0x0(,%rsi,8),%edi
  push   %rbp
  push   %rbx
  sub    $0x48,%rsp
  mov    %esi,0x8(%rsp)
  mov    %edx,0xc(%rsp)
  mov    %r8,0x28(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x38(%rsp)
  xor    %eax,%eax
  call   <malloc@plt>
  mov    %rax,0x20(%rsp)
  test   %rax,%rax
  je     L125
L29:
  mov    0x8(%rsp),%eax
  test   %eax,%eax
  jle    L82
  mov    0x20(%rsp),%rcx
  mov    %eax,%edx
  lea    0x0(,%rax,4),%ebx
  lea    D21(%rip),%r13
  mov    %rdx,0x18(%rsp)
  mov    %rcx,%rbp
  lea    (%rcx,%rdx,8),%rcx
  mov    %rbp,(%rsp)
  mov    %rcx,%r15
  jmp    L21
  nopl   (%rax)
L78:
  add    $0x8,%rbp
  cmp    %r15,%rbp
  je     L34
L21:
  mov    %ebx,%edi
  call   <malloc@plt>
  mov    %rax,0x0(%rbp)
  test   %rax,%rax
  jne    L78
  mov    %r13,%rdi
  add    $0x8,%rbp
  call   <Die@plt>
  cmp    %r15,%rbp
  jne    L21
  nopw   0x0(%rax,%rax,1)
L34:
  lea    0x34(%rsp),%rax
  mov    (%rsp),%rbp
  xor    %ebx,%ebx
  mov    %r12,%r13
  mov    %rax,0x10(%rsp)
  nopl   0x0(%rax,%rax,1)
L46:
  lea    0x0(,%rbx,4),%rax
  mov    %rbp,%r15
  mov    %rbx,%r12
  mov    %rax,(%rsp)
  mov    %r14d,%eax
  mov    %rbx,%r14
  mov    %rbp,%rbx
  mov    %eax,%ebp
  jmp    L53
  nop
L98:
  movss  0x34(%rsp),%xmm0
  mov    (%r15),%rax
  mov    (%rsp),%rdx
  movss  %xmm0,(%rax,%rdx,1)
L121:
  mov    (%rbx),%rax
  add    $0x8,%r15
  movss  %xmm0,(%rax,%r12,4)
  add    $0x1,%r12
  cmp    %r12d,0x8(%rsp)
  jle    L126
L53:
  mov    0x0(%r13,%r12,8),%rsi
  mov    0x0(%r13,%r14,8),%rdi
  mov    %ebp,%ecx
  mov    0x10(%rsp),%r8
  mov    0xc(%rsp),%edx
  call   <CompareSeqs@plt>
  test   %eax,%eax
  jne    L98
  lea    D14(%rip),%rdi
  call   <Die@plt>
  movss  0x34(%rsp),%xmm0
  mov    (%r15),%rax
  mov    (%rsp),%rcx
  movss  %xmm0,(%rax,%rcx,1)
  jmp    L121
  nopl   0x0(%rax,%rax,1)
L126:
  mov    %ebp,%eax
  mov    %rbx,%rbp
  mov    %r14,%rbx
  add    $0x1,%rbx
  mov    %eax,%r14d
  add    $0x8,%rbp
  cmp    0x18(%rsp),%rbx
  jne    L46
L82:
  mov    0x28(%rsp),%rax
  mov    0x20(%rsp),%rcx
  mov    %rcx,(%rax)
  mov    0x38(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L74
  add    $0x48,%rsp
  mov    $0x1,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L125:
  lea    D21(%rip),%rdi
  call   <Die@plt>
  jmp    L29
L74:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_tag: D21
type_guessed: string
name: disassemble_data
arguments: data_tag: D14
type_guessed: string

tool: D21: malloc failed

tool: D14: CompareSeqs failed

assistant: ```c
int MakeDiffMx(char **aseqs, int num, int alen, int allow_ragged, float ***ret_dmx) {
  float **dmx;
  int i, j;
  float diff;
  if ((dmx = (float **)malloc(sizeof(float *) * num)) == NULL)
    Die("malloc failed");
  for (i = 0; i < num; i++)
    if ((dmx[i] = (float *)malloc(sizeof(float) * num)) == NULL)
      Die("malloc failed");
  for (i = 0; i < num; i++)
    for (j = i; j < num; j++) {
      if (!CompareSeqs(aseqs[i], aseqs[j], alen, allow_ragged, &diff))
        Die("CompareSeqs failed");
      dmx[i][j] = dmx[j][i] = diff;
    }
  *ret_dmx = dmx;
  return 1;
}
```