user: 下面的汇编指令对应的C源代码是什么：

```asm
<count_motif_occurrences>:
  endbr64
  push   %r15
  push   %r14
  mov    %rsi,%r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  mov    %rcx,%r12
  push   %rbp
  push   %rbx
  sub    $0x7f8,%rsp
  mov    %edx,0x8(%rsp)
  movss  %xmm0,0xc(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x7e8(%rsp)
  xor    %eax,%eax
  test   %edx,%edx
  jle    L65
  sub    $0x1,%edx
  movss  D54(%rip),%xmm0
  lea    0x4(%rcx),%rax
  lea    0x8(%rcx,%rdx,4),%rdx
  nopl   0x0(%rax,%rax,1)
L90:
  movss  %xmm0,(%rax)
  add    $0x4,%rax
  cmp    %rdx,%rax
  jne    L90
L65:
  lea    D61(%rip),%rsi
  mov    %r14,%rdi
  call   <fopen@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L45
L86:
  pxor   %xmm0,%xmm0
  cvtss2sd 0xc(%rsp),%xmm0
  comisd D60(%rip),%xmm0
  ja     L48
  mov    0x8(%rsp),%edx
  mov    $0x1,%r15d
  lea    0x10(%rsp),%rbx
  lea    D22(%rip),%r14
  test   %edx,%edx
  jle    L83
  nopw   0x0(%rax,%rax,1)
L67:
  mov    %rbx,%rdx
  mov    %r14,%rsi
  mov    %rbp,%rdi
  call   <fscanf@plt>
  movss  0xc(%rsp),%xmm0
  mov    %rbx,%rsi
  mov    %r13,%rdi
  call   <count_motif_occurrences_prob@plt>
  addss  (%r12,%r15,4),%xmm0
  addss  D59(%rip),%xmm0
  movss  %xmm0,(%r12,%r15,4)
  add    $0x1,%r15
  cmp    %r15d,0x8(%rsp)
  jge    L67
L83:
  mov    %rbp,%rdi
  call   <fclose@plt>
  mov    0x7e8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L1
  add    $0x7f8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L48:
  mov    0x8(%rsp),%eax
  test   %eax,%eax
  jle    L83
  mov    $0x1,%r15d
  lea    0x10(%rsp),%rbx
  lea    D22(%rip),%r14
  nopw   0x0(%rax,%rax,1)
L43:
  mov    %rbx,%rdx
  mov    %r14,%rsi
  mov    %rbp,%rdi
  call   <fscanf@plt>
  mov    %r13,%rsi
  mov    %rbx,%rdi
  call   <count_perfect_matches@plt>
  pxor   %xmm0,%xmm0
  cvtsi2ss %eax,%xmm0
  movss  %xmm0,(%r12,%r15,4)
  add    $0x1,%r15
  cmp    %r15d,0x8(%rsp)
  jge    L43
  jmp    L83
  nopw   0x0(%rax,%rax,1)
L45:
  mov    %r14,%rsi
  lea    D65(%rip),%rdi
  call   <printf@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L86
L1:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: tag: D54
data_type: byte[4]
name: disassemble_data
arguments: tag: D61
data_type: string
name: disassemble_data
arguments: tag: D60
data_type: f64
name: disassemble_data
arguments: tag: D22
data_type: string
name: disassemble_data
arguments: tag: D59
data_type: f32
name: disassemble_data
arguments: tag: D65
data_type: string

tool: {"D54": [0x00,0x00,0x80,0xbf]}

tool: D61: r

tool: D60: 0.99

tool: D22: %s


tool: D59: 1

tool: D65: ERROR! I could not open your input upstream file %s. Exiting now...


assistant: ```c
float *count_motif_occurrences(char *motif, char *input_filename_upstream, int n_transcripts, float score_threshold, float *n) {
  float curr_score;
  int i;
  int motif_length;
  char upstream_sequence[2000];
  FILE *input_file_upstream;
  char *search_string;
  char *current_string;
  int curr_n;
  for (i = 1; i <= n_transcripts; i++)
    n[i] = -1;
  input_file_upstream = fopen(input_filename_upstream, "r");
  if (input_file_upstream == NULL) {
    printf("ERROR! I could not open your input upstream file %s. Exiting now...\n", input_filename_upstream);
    exit(1);
  }
  if (score_threshold > 0.99) {
    for (i = 1; i <= n_transcripts; i++) {
      fscanf(input_file_upstream, "%s\n", &upstream_sequence);
      curr_n = count_perfect_matches(upstream_sequence, motif);
      n[i] = curr_n;
    }
  } else {
    for (i = 1; i <= n_transcripts; i++) {
      fscanf(input_file_upstream, "%s\n", &upstream_sequence);
      curr_score = count_motif_occurrences_prob(motif, upstream_sequence, score_threshold);
      n[i] = n[i] + curr_score + 1.0;
    }
  }
  fclose(input_file_upstream);
  return n;
}
```