user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    0x8(%rsi),%rdi
  call   <atoi@plt>
  lea    D26(%rip),%rdi
  mov    %eax,%r14d
  add    %eax,%eax
  mov    %eax,0xc(%rsp)
  mov    %eax,%ebx
  mov    %eax,%ecx
  mov    %r14d,%edx
  mov    %r14d,%esi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %ebx,%eax
  sub    $0x1,%eax
  mov    %eax,0x4(%rsp)
  cmp    $0x1,%eax
  jle    L20
  mov    $0x1,%r13d
  mov    %r14d,%r15d
  lea    D65(%rip),%rbx
  mov    %r13d,%r14d
  nopl   0x0(%rax)
L4:
  mov    %r14d,%esi
  lea    D45(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  xor    %esi,%esi
  xor    %edx,%edx
  test   %r15d,%r15d
  jle    L193
  nopw   0x0(%rax,%rax,1)
L198:
  xor    %ebp,%ebp
  jmp    L290
  nopl   0x0(%rax)
L100:
  mov    %eax,%ebp
L290:
  cmp    %edx,%ebp
  je     L13
  lea    (%rdx,%rbp,1),%eax
  cmp    %r14d,%eax
  jne    L13
  cmp    %edx,%ebp
  setge  %al
  cmp    $0x1,%al
  sbb    $0xffffffff,%esi
L13:
  lea    0x1(%rbp),%eax
  cmp    %eax,%r15d
  jne    L100
  lea    0x1(%rdx),%eax
  cmp    %edx,%ebp
  je     L89
  mov    %eax,%edx
  jmp    L198
L24:
  xor    %eax,%eax
  lea    D105(%rip),%rdi
  mov    0x8(%rsp),%r15d
  call   <printf@plt>
  test   $0x1,%r14b
  je     L182
L193:
  mov    %r14d,%esi
  lea    D42(%rip),%rdi
  xor    %eax,%eax
  add    $0x1,%r14d
  call   <printf@plt>
  cmp    0x4(%rsp),%r14d
  jne    L4
L20:
  mov    0x4(%rsp),%esi
  lea    D20(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    0xc(%rsp),%esi
  lea    D63(%rip),%rdi
  xor    %eax,%eax
  mov    %esi,%r8d
  mov    %esi,%ecx
  mov    %esi,%edx
  call   <printf@plt>
  add    $0x18,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L89:
  cmp    $0x2,%esi
  jle    L166
  xor    %r9d,%r9d
  mov    %r15d,0x8(%rsp)
  xor    %r13d,%r13d
  mov    %r9d,%r15d
  nopw   0x0(%rax,%rax,1)
L108:
  xor    %r12d,%r12d
  jmp    L64
  nopl   (%rax)
L130:
  mov    %eax,%r12d
L64:
  cmp    %r12d,%r13d
  je     L309
  lea    0x0(%r13,%r12,1),%eax
  cmp    %r14d,%eax
  jne    L309
  cmp    %r12d,%r13d
  jle    L225
L309:
  lea    0x1(%r12),%eax
  cmp    %r12d,%ebp
  jne    L130
  lea    0x1(%r13),%eax
  cmp    %r13d,%ebp
  je     L24
  mov    %eax,%r13d
  jmp    L108
  nopl   0x0(%rax,%rax,1)
L225:
  mov    %r12d,%edx
  mov    %r13d,%esi
  test   %r15d,%r15d
  jne    L123
  lea    D71(%rip),%rdi
  xor    %eax,%eax
  mov    $0x1,%r15d
  call   <printf@plt>
  jmp    L309
  nopl   0x0(%rax)
L123:
  lea    D94(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L309
L182:
  mov    %r14d,%esi
  lea    D84(%rip),%rdi
  xor    %eax,%eax
  sar    %esi
  mov    %esi,%edx
  call   <printf@plt>
  jmp    L193
L166:
  xor    %r13d,%r13d
  nopl   (%rax)
L220:
  xor    %r12d,%r12d
  jmp    L226
  nopl   (%rax)
L33:
  lea    0x1(%r12),%eax
  cmp    %r12d,%ebp
  je     L288
L16:
  mov    %eax,%r12d
L226:
  cmp    %r12d,%r13d
  jg     L33
  lea    (%r12,%r13,1),%eax
  cmp    %eax,%r14d
  jne    L33
  cmp    %r12d,%r13d
  je     L235
  mov    %r12d,%edx
  mov    %r13d,%esi
  mov    %rbx,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    0x1(%r12),%eax
  cmp    %r12d,%ebp
  jne    L16
  nopw   0x0(%rax,%rax,1)
L288:
  lea    0x1(%r13),%eax
  cmp    %ebp,%r13d
  je     L193
  mov    %eax,%r13d
  jmp    L220
  nopw   0x0(%rax,%rax,1)
L235:
  mov    %r13d,%edx
  mov    %r13d,%esi
  lea    D84(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L33
```

tool_calls: name: unpack_data
arguments: data_label: D26
type_guessed: string
name: unpack_data
arguments: data_label: D65
type_guessed: string
name: unpack_data
arguments: data_label: D45
type_guessed: string
name: unpack_data
arguments: data_label: D105
type_guessed: string
name: unpack_data
arguments: data_label: D42
type_guessed: string
name: unpack_data
arguments: data_label: D20
type_guessed: string
name: unpack_data
arguments: data_label: D63
type_guessed: string
name: unpack_data
arguments: data_label: D71
type_guessed: string
name: unpack_data
arguments: data_label: D94
type_guessed: string
name: unpack_data
arguments: data_label: D84
type_guessed: string

tool: D26: #define TFM_DEFINES
#include "fp_sqr_comba.c"

#ifdef TFM_SQR%d
void fp_sqr_comba%d(fp_int *A, fp_int *B)
{
   fp_digit *a, b[%d], c0, c1, c2, sc0, sc1, sc2;
#ifdef TFM_ISO
   fp_word tt;
#endif

   a = A->dp;
   COMBA_START; 

   /* clear carries */
   CLEAR_CARRY;

   /* output 0 */
   SQRADD(a[0],a[0]);
   COMBA_STORE(b[0]);


tool: D65: SQRADD2(a[%d], a[%d]); 

tool: D45: 
   /* output %d */
   CARRY_FORWARD;
   

tool: D105: SQRADDDB; 

tool: D42: 
   COMBA_STORE(b[%d]);


tool: D20:    COMBA_STORE2(b[%d]);


tool: D63:    COMBA_FINI;

   B->used = %d;
   B->sign = FP_ZPOS;
   memcpy(B->dp, b, %d * sizeof(fp_digit));
   memset(B->dp + %d, 0, (FP_SIZE - %d) * sizeof(fp_digit));
   fp_clamp(B);
}
#endif




tool: D71: SQRADDSC(a[%d], a[%d]); 

tool: D94: SQRADDAC(a[%d], a[%d]); 

tool: D84: SQRADD(a[%d], a[%d]); 

assistant: ```c
int main(int argc, char **argv) {
  int x, y, z, N, f;
  N = atoi(argv[1]);
  printf("#define TFM_DEFINES\n"
         "#include \"fp_sqr_comba.c\"\n"
         "\n"
         "#ifdef TFM_SQR%d\n"
         "void fp_sqr_comba%d(fp_int *A, fp_int *B)\n"
         "{\n"
         "   fp_digit *a, b[%d], c0, c1, c2, sc0, sc1, sc2;\n"
         "#ifdef TFM_ISO\n"
         "   fp_word tt;\n"
         "#endif\n"
         "\n"
         "   a = A->dp;\n"
         "   COMBA_START; \n"
         "\n"
         "   /* clear carries */\n"
         "   CLEAR_CARRY;\n"
         "\n"
         "   /* output 0 */\n"
         "   SQRADD(a[0],a[0]);\n"
         "   COMBA_STORE(b[0]);\n",
         N, N, N + N);
  for (x = 1; x < N + N - 1; x++) {
    printf("\n   /* output %d */\n"
           "   CARRY_FORWARD;\n   ",
           x);
    for (f = y = 0; y < N; y++) {
      for (z = 0; z < N; z++) {
        if (z != y && z + y == x && y <= z) {
          ++f;
        }
      }
    }
    if (f <= 2) {
      for (y = 0; y < N; y++) {
        for (z = 0; z < N; z++) {
          if (y <= z && (y + z) == x) {
            if (y == z) {
              printf("SQRADD(a[%d], a[%d]); ", y, y);
            } else {
              printf("SQRADD2(a[%d], a[%d]); ", y, z);
            }
          }
        }
      }
    } else {
      f = 0;
      for (y = 0; y < N; y++) {
        for (z = 0; z < N; z++) {
          if (z != y && z + y == x && y <= z) {
            if (f == 0) {
              printf("SQRADDSC(a[%d], a[%d]); ", y, z);
              f = 1;
            } else {
              printf("SQRADDAC(a[%d], a[%d]); ", y, z);
            }
          }
        }
      }
      printf("SQRADDDB; ");
      if ((x & 1) == 0) {
        printf("SQRADD(a[%d], a[%d]); ", x / 2, x / 2);
      }
    }
    printf("\n   COMBA_STORE(b[%d]);\n", x);
  }
  printf("   COMBA_STORE2(b[%d]);\n", N + N - 1);
  printf("   COMBA_FINI;\n"
         "\n"
         "   B->used = %d;\n"
         "   B->sign = FP_ZPOS;\n"
         "   memcpy(B->dp, b, %d * sizeof(fp_digit));\n"
         "   memset(B->dp + %d, 0, (FP_SIZE - %d) * sizeof(fp_digit));\n"
         "   fp_clamp(B);\n"
         "}\n#endif\n\n\n",
         N + N, N + N, N + N, N + N);
  return 0;
}
```