ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<i2st>:
  endbr64
  mov    %rdi,%r8
  test   %esi,%esi
  je     L4
  mov    $0x1,%edx
  mov    $0xcccccccd,%r9d
  mov    %rdi,%rax
  jle    L15
  nopl   0x0(%rax,%rax,1)
L19:
  mov    %esi,%eax
  mov    %esi,%ecx
  imul   %r9,%rax
  shr    $0x23,%rax
  lea    (%rax,%rax,4),%edi
  add    %edi,%edi
  sub    %edi,%ecx
  mov    %esi,%edi
  mov    %eax,%esi
  movslq %edx,%rax
  add    $0x30,%ecx
  mov    %cl,-0x1(%r8,%rdx,1)
  add    $0x1,%rdx
  cmp    $0x9,%edi
  jg     L19
  add    %r8,%rax
L15:
  movb   $0x0,(%rax)
  mov    %r8,%rdi
  jmp    1050 <strrev@plt>
  nopl   0x0(%rax)
L4:
  mov    $0x30,%eax
  mov    %ax,(%rdi)
  mov    %rdi,%rax
  ret
```

assistant: ```c
char *i2st(char *st, int n) {
  int i, x, ch;
  i = 0;
  if (n == 0) {
    st[0] = '0';
    st[1] = 0;
    return st;
  }
  while (n > 0) {
    x = n % 10;
    ch = x + 48;
    n = n / 10;
    st[i] = ch;
    i++;
  }
  st[i] = 0;
  st = strrev(st);
  return st;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<colcpy2_trans>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  mov    %rdi,-0x30(%rbp)
  mov    %esi,-0x34(%rbp)
  mov    %rdx,-0x40(%rbp)
  mov    %ecx,-0x38(%rbp)
  mov    %r8d,-0x44(%rbp)
  mov    %r9d,-0x48(%rbp)
  mov    -0x30(%rbp),%r14
  mov    -0x40(%rbp),%r15
  mov    $0x0,%edi
  jmp    L47
L69:
  mov    %r14,%r13
  lea    0x8(%r13),%rax
  mov    %rax,%rsi
  mov    %r15,%r12
  mov    -0x38(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %r12,%rax
  mov    -0x44(%rbp),%ebx
  jmp    L25
L53:
  movsd  (%r12),%xmm0
  movsd  %xmm0,0x0(%r13)
  mov    %rax,%rdx
  movsd  (%rdx),%xmm0
  mov    %rsi,%rcx
  movsd  %xmm0,(%rcx)
  mov    -0x34(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rax,%r13
  mov    -0x34(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rax,%rcx
  mov    %rcx,%rsi
  add    $0x8,%r12
  add    $0x8,%rdx
  mov    %rdx,%rax
  sub    $0x1,%ebx
L25:
  test   %ebx,%ebx
  jg     L53
  add    $0x10,%r14
  mov    -0x38(%rbp),%eax
  add    %eax,%eax
  cltq
  shl    $0x3,%rax
  add    %rax,%r15
  mov    %edi,%eax
  add    $0x2,%eax
  mov    %eax,%edi
L47:
  mov    -0x48(%rbp),%eax
  sub    $0x1,%eax
  mov    %edi,%esi
  cmp    %eax,%esi
  jl     L69
  cmp    -0x48(%rbp),%esi
  jge    L33
  mov    %r15,%r12
  mov    %r14,%r13
  mov    -0x44(%rbp),%ebx
  jmp    L59
L29:
  movsd  (%r12),%xmm0
  movsd  %xmm0,0x0(%r13)
  mov    -0x34(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rax,%r13
  add    $0x8,%r12
  sub    $0x1,%ebx
L59:
  test   %ebx,%ebx
  jg     L29
L33:
  nop
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
```

assistant: ```c
void colcpy2_trans(double *__restrict dst, int ldD, const double *__restrict src, int ldS, int nR, int nC) {
  register double *Dc, *Dr0, *Dr1;
  register const double *Sc, *Sr0, *Sr1;
  register int j, i;
  Dc = dst;
  Sc = src;
  for (j = 0; j < nC - 1; j += 2) {
    Dr0 = Dc;
    Dr1 = Dr0 + 1;
    Sr0 = Sc;
    Sr1 = Sr0 + ldS;
    for (i = nR; i > 0; i--) {
      Dr0[0] = Sr0[0];
      Dr1[0] = Sr1[0];
      Dr0 += ldD;
      Dr1 += ldD;
      Sr0 += 1;
      Sr1 += 1;
    }
    Dc += 2;
    Sc += (ldS << 1);
  }
  if (j < nC) {
    Sr0 = Sc;
    Dr0 = Dc;
    for (i = nR; i > 0; i--) {
      Dr0[0] = Sr0[0];
      Dr0 += ldD;
      Sr0 += 1;
    }
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<colcpy2_trans>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r11
  mov    %esi,-0x4(%rsp)
  mov    %rdx,%rbx
  mov    %r8d,%ebp
  mov    %r9d,%r13d
  cmp    $0x1,%r9d
  jle    L59
  movslq %ecx,%r12
  shl    $0x3,%r12
  movslq %esi,%rdi
  shl    $0x3,%rdi
  lea    (%rcx,%rcx,1),%r9d
  movslq %r9d,%r9
  shl    $0x3,%r9
  lea    -0x2(%r13),%r14d
  shr    %r14d
  lea    0x1(%r14),%r15d
  mov    %r15,%r8
  shl    $0x4,%r8
  add    %r11,%r8
  mov    %rdx,%rcx
  mov    %ebp,%r10d
L11:
  lea    (%rcx,%r12,1),%rsi
  test   %ebp,%ebp
  jle    L23
  mov    %r11,%rdx
  mov    $0x0,%eax
L54:
  movsd  (%rcx,%rax,8),%xmm0
  movsd  %xmm0,(%rdx)
  movsd  (%rsi,%rax,8),%xmm0
  movsd  %xmm0,0x8(%rdx)
  add    %rdi,%rdx
  add    $0x1,%rax
  cmp    %r10,%rax
  jne    L54
L23:
  add    $0x10,%r11
  add    %r9,%rcx
  cmp    %r8,%r11
  jne    L11
  imul   %r15,%r9
  add    %r9,%rbx
  lea    0x2(%r14,%r14,1),%eax
L61:
  cmp    %eax,%r13d
  jle    L41
  test   %ebp,%ebp
  jle    L41
  movslq -0x4(%rsp),%rax
  shl    $0x3,%rax
  mov    %ebp,%ebp
  lea    (%rbx,%rbp,8),%rdx
L77:
  movsd  (%rbx),%xmm0
  movsd  %xmm0,(%r8)
  add    %rax,%r8
  add    $0x8,%rbx
  cmp    %rdx,%rbx
  jne    L77
L41:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L59:
  mov    %rdi,%r8
  mov    $0x0,%eax
  jmp    L61
```

assistant: ```c
void colcpy2_trans(double *__restrict dst, int ldD, const double *__restrict src, int ldS, int nR, int nC) {
  register double *Dc, *Dr0, *Dr1;
  register const double *Sc, *Sr0, *Sr1;
  register int j, i;
  Dc = dst;
  Sc = src;
  for (j = 0; j < nC - 1; j += 2) {
    Dr0 = Dc;
    Dr1 = Dr0 + 1;
    Sr0 = Sc;
    Sr1 = Sr0 + ldS;
    for (i = nR; i > 0; i--) {
      Dr0[0] = Sr0[0];
      Dr1[0] = Sr1[0];
      Dr0 += ldD;
      Dr1 += ldD;
      Sr0 += 1;
      Sr1 += 1;
    }
    Dc += 2;
    Sc += (ldS << 1);
  }
  if (j < nC) {
    Sr0 = Sc;
    Dr0 = Dc;
    for (i = nR; i > 0; i--) {
      Dr0[0] = Sr0[0];
      Dr0 += ldD;
      Sr0 += 1;
    }
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<colcpy2_trans>:
  endbr64
  push   %r15
  mov    %rdi,%r11
  push   %r14
  mov    %r9d,%r14d
  push   %r13
  push   %r12
  push   %rbp
  movslq %r8d,%rbp
  push   %rbx
  mov    %rdx,%rbx
  mov    %esi,-0x4(%rsp)
  cmp    $0x1,%r9d
  jle    L55
  lea    -0x2(%r14),%r13d
  lea    (%rcx,%rcx,1),%r9d
  movslq %ecx,%r12
  movslq %esi,%rdi
  shr    %r13d
  movslq %r9d,%r9
  shl    $0x3,%r12
  mov    %rdx,%rcx
  lea    0x1(%r13),%r15d
  shl    $0x3,%rdi
  shl    $0x3,%r9
  movslq %ebp,%r10
  mov    %r15,%r8
  mov    %r15,%r13
  shl    $0x4,%r8
  add    %r11,%r8
  nop
L58:
  lea    (%rcx,%r12,1),%rsi
  test   %ebp,%ebp
  jle    L36
  mov    %r11,%rdx
  xor    %eax,%eax
  nopl   (%rax)
L35:
  movsd  (%rcx,%rax,8),%xmm0
  movsd  %xmm0,(%rdx)
  movsd  (%rsi,%rax,8),%xmm0
  add    $0x1,%rax
  movsd  %xmm0,0x8(%rdx)
  add    %rdi,%rdx
  cmp    %r10,%rax
  jne    L35
L36:
  add    $0x10,%r11
  add    %r9,%rcx
  cmp    %r8,%r11
  jne    L58
  imul   %r15,%r9
  add    %r13d,%r13d
  add    %r9,%rbx
L60:
  cmp    %r13d,%r14d
  jle    L2
  test   %ebp,%ebp
  jle    L2
  movslq -0x4(%rsp),%rax
  lea    (%rbx,%rbp,8),%rdx
  shl    $0x3,%rax
  nopl   0x0(%rax,%rax,1)
L48:
  movsd  (%rbx),%xmm0
  add    $0x8,%rbx
  movsd  %xmm0,(%r8)
  add    %rax,%r8
  cmp    %rdx,%rbx
  jne    L48
L2:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L55:
  mov    %rdi,%r8
  xor    %r13d,%r13d
  jmp    L60
```

assistant: ```c
void colcpy2_trans(double *__restrict dst, int ldD, const double *__restrict src, int ldS, int nR, int nC) {
  register double *Dc, *Dr0, *Dr1;
  register const double *Sc, *Sr0, *Sr1;
  register int j, i;
  Dc = dst;
  Sc = src;
  for (j = 0; j < nC - 1; j += 2) {
    Dr0 = Dc;
    Dr1 = Dr0 + 1;
    Sr0 = Sc;
    Sr1 = Sr0 + ldS;
    for (i = nR; i > 0; i--) {
      Dr0[0] = Sr0[0];
      Dr1[0] = Sr1[0];
      Dr0 += ldD;
      Dr1 += ldD;
      Sr0 += 1;
      Sr1 += 1;
    }
    Dc += 2;
    Sc += (ldS << 1);
  }
  if (j < nC) {
    Sr0 = Sc;
    Dr0 = Dc;
    for (i = nR; i > 0; i--) {
      Dr0[0] = Sr0[0];
      Dr0 += ldD;
      Sr0 += 1;
    }
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<colcpy2_trans>:
  endbr64
  push   %r15
  mov    %rdx,%r11
  push   %r14
  push   %r13
  mov    %r9d,%r13d
  push   %r12
  movslq %r8d,%r12
  push   %rbp
  mov    %esi,%ebp
  push   %rbx
  mov    %rdi,%rbx
  cmp    $0x1,%r9d
  jle    L70
  lea    -0x2(%r13),%eax
  lea    (%rcx,%rcx,1),%r8d
  movslq %ecx,%r9
  movslq %esi,%rsi
  mov    %eax,-0x4(%rsp)
  shr    %eax
  movslq %r8d,%r8
  shl    $0x3,%r9
  lea    0x1(%rax),%r15d
  shl    $0x3,%rsi
  shl    $0x3,%r8
  mov    %rdx,%rcx
  shl    $0x4,%r15
  mov    %rdi,%r14
  movslq %r12d,%r10
  add    %rdi,%r15
  cmp    $0x1,%ebp
  jne    L145
  cs nopw 0x0(%rax,%rax,1)
L114:
  lea    (%rcx,%r9,1),%rdi
  test   %r12d,%r12d
  jle    L67
  mov    %r14,%rdx
  xor    %eax,%eax
  xchg   %ax,%ax
L131:
  movsd  (%rcx,%rax,8),%xmm0
  movsd  %xmm0,(%rdx)
  movsd  (%rdi,%rax,8),%xmm0
  add    $0x1,%rax
  movsd  %xmm0,0x8(%rdx)
  add    %rsi,%rdx
  cmp    %r10,%rax
  jne    L131
L67:
  add    $0x10,%r14
  add    %r8,%rcx
  cmp    %r15,%r14
  jne    L114
L21:
  mov    -0x4(%rsp),%eax
  shr    %eax
  lea    0x1(%rax),%edx
  mov    %rdx,%rax
  mov    %rdx,%rcx
  imul   %r8,%rdx
  shl    $0x4,%rcx
  add    %eax,%eax
  add    %rcx,%rbx
  add    %rdx,%r11
L51:
  cmp    %eax,%r13d
  jle    L136
  test   %r12d,%r12d
  jle    L136
  movslq %ebp,%rax
  lea    (%r11,%r12,8),%rdx
  shl    $0x3,%rax
  cmp    $0x1,%ebp
  jne    L54
  nopl   0x0(%rax)
L105:
  movsd  (%r11),%xmm0
  add    $0x8,%r11
  movsd  %xmm0,(%rbx)
  add    %rax,%rbx
  cmp    %rdx,%r11
  jne    L105
L136:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L46:
  add    $0x10,%r14
  add    %r8,%rcx
  cmp    %r15,%r14
  je     L21
  nopl   0x0(%rax)
L145:
  lea    (%rcx,%r9,1),%rdi
  test   %r12d,%r12d
  jle    L46
  mov    %r14,%rdx
  xor    %eax,%eax
  cs nopw 0x0(%rax,%rax,1)
L50:
  movsd  (%rcx,%rax,8),%xmm0
  movsd  %xmm0,(%rdx)
  movsd  (%rdi,%rax,8),%xmm0
  add    $0x1,%rax
  movsd  %xmm0,0x8(%rdx)
  add    %rsi,%rdx
  cmp    %r10,%rax
  jne    L50
  add    $0x10,%r14
  add    %r8,%rcx
  cmp    %r15,%r14
  jne    L145
  jmp    L21
L54:
  movsd  (%r11),%xmm0
  add    $0x8,%r11
  movsd  %xmm0,(%rbx)
  add    %rax,%rbx
  cmp    %rdx,%r11
  jne    L54
  jmp    L136
L70:
  xor    %eax,%eax
  jmp    L51
```

assistant: ```c
void colcpy2_trans(double *__restrict dst, int ldD, const double *__restrict src, int ldS, int nR, int nC) {
  register double *Dc, *Dr0, *Dr1;
  register const double *Sc, *Sr0, *Sr1;
  register int j, i;
  Dc = dst;
  Sc = src;
  for (j = 0; j < nC - 1; j += 2) {
    Dr0 = Dc;
    Dr1 = Dr0 + 1;
    Sr0 = Sc;
    Sr1 = Sr0 + ldS;
    for (i = nR; i > 0; i--) {
      Dr0[0] = Sr0[0];
      Dr1[0] = Sr1[0];
      Dr0 += ldD;
      Dr1 += ldD;
      Sr0 += 1;
      Sr1 += 1;
    }
    Dc += 2;
    Sc += (ldS << 1);
  }
  if (j < nC) {
    Sr0 = Sc;
    Dr0 = Dc;
    for (i = nR; i > 0; i--) {
      Dr0[0] = Sr0[0];
      Dr0 += ldD;
      Sr0 += 1;
    }
  }
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<fc8150_get_rssi>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdx
  mov    $0xa3,%esi
  call   <fc8150_read@plt>
  lea    0x5(%rsp),%rdx
  mov    $0xa4,%esi
  mov    %rbx,%rdi
  call   <fc8150_read@plt>
  lea    0x6(%rsp),%rdx
  mov    $0xa8,%esi
  mov    %rbx,%rdi
  call   <fc8150_read@plt>
  lea    0x7(%rsp),%rdx
  mov    $0x106e,%esi
  mov    %rbx,%rdi
  call   <fc8150_bb_read@plt>
  mov    %eax,%edx
  test   %eax,%eax
  jne    L15
  movzbl 0x7(%rsp),%ecx
  movzbl %cl,%eax
  sub    $0x101,%eax
  movzbl %cl,%edi
  test   %cl,%cl
  cmovs  %eax,%edi
  movzbl 0x4(%rsp),%eax
  movzbl 0x6(%rsp),%esi
  mov    %eax,%ecx
  and    $0x7,%ecx
  lea    (%rcx,%rcx,2),%r8d
  movzbl 0x5(%rsp),%ecx
  and    $0x1f,%ecx
  lea    (%rcx,%r8,2),%r8d
  mov    %esi,%ecx
  shr    $0x4,%ecx
  and    $0x7,%ecx
  and    $0x3,%esi
  add    %esi,%ecx
  lea    (%rcx,%rcx,2),%ecx
  lea    (%r8,%rcx,2),%ecx
  lea    0x3(%rdi),%esi
  test   %edi,%edi
  cmovns %edi,%esi
  sar    $0x2,%esi
  sub    %esi,%ecx
  mov    %eax,%esi
  shr    $0x6,%sil
  and    $0x1,%esi
  lea    (%rsi,%rsi,4),%esi
  add    %esi,%ecx
  shr    $0x5,%al
  and    $0x1,%eax
  lea    -0x69(%rcx,%rax,2),%eax
  mov    %eax,0x0(%rbp)
L15:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L0
  mov    %edx,%eax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  ret
L0:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int fc8150_get_rssi(void *hDevice, int *rssi) {
  int res = 0;
  unsigned char LNA, RFVGA, CSF, PREAMP_PGA, CRNTMODE1, CRNTMODE0 = 0x00;
  int K = -105;
  int PGA = 0;
  int A2 = 5;
  int A3 = 2;
  res = fc8150_read(hDevice, 0xA3, &LNA);
  res = fc8150_read(hDevice, 0xA4, &RFVGA);
  res = fc8150_read(hDevice, 0xA8, &CSF);
  res = fc8150_bb_read(hDevice, 0x106E, &PREAMP_PGA);
  if (res != 0)
    return res;
  if (127 < PREAMP_PGA)
    PGA = -1 * ((256 - PREAMP_PGA) + 1);
  else if (PREAMP_PGA <= 127)
    PGA = PREAMP_PGA;
  CRNTMODE1 = (LNA >> 6) & 0x01;
  CRNTMODE0 = (LNA >> 5) & 0x01;
  *rssi = (LNA & 0x07) * 6 + (RFVGA & 0x1F) + ((CSF & 0x03) + ((CSF & 0x70) >> 4)) * 6 - PGA / 4 + A2 * CRNTMODE1 + A3 * CRNTMODE0 + K;
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<fc8150_get_rssi>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  mov    $0xa3,%esi
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdx
  call   <fc8150_read@plt>
  lea    0x5(%rsp),%rdx
  mov    $0xa4,%esi
  mov    %rbp,%rdi
  call   <fc8150_read@plt>
  lea    0x6(%rsp),%rdx
  mov    $0xa8,%esi
  mov    %rbp,%rdi
  call   <fc8150_read@plt>
  lea    0x7(%rsp),%rdx
  mov    $0x106e,%esi
  mov    %rbp,%rdi
  call   <fc8150_bb_read@plt>
  mov    %eax,%r8d
  test   %eax,%eax
  jne    L11
  movzbl 0x7(%rsp),%edx
  movzbl 0x4(%rsp),%eax
  movzbl 0x6(%rsp),%esi
  test   %dl,%dl
  lea    -0x101(%rdx),%ecx
  cmovs  %ecx,%edx
  mov    %eax,%ecx
  and    $0x7,%ecx
  lea    (%rcx,%rcx,2),%edi
  movzbl 0x5(%rsp),%ecx
  and    $0x1f,%ecx
  lea    (%rcx,%rdi,2),%edi
  mov    %esi,%ecx
  and    $0x3,%esi
  shr    $0x4,%ecx
  and    $0x7,%ecx
  add    %esi,%ecx
  test   %edx,%edx
  lea    0x3(%rdx),%esi
  lea    (%rcx,%rcx,2),%ecx
  cmovns %edx,%esi
  lea    (%rdi,%rcx,2),%ecx
  mov    %ecx,%edx
  mov    %eax,%ecx
  sar    $0x2,%esi
  shr    $0x6,%cl
  sub    %esi,%edx
  shr    $0x5,%al
  and    $0x1,%ecx
  and    $0x1,%eax
  lea    (%rcx,%rcx,4),%ecx
  add    %ecx,%edx
  lea    -0x69(%rdx,%rax,2),%eax
  mov    %eax,(%rbx)
L11:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L16
  add    $0x18,%rsp
  mov    %r8d,%eax
  pop    %rbx
  pop    %rbp
  ret
L16:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int fc8150_get_rssi(void *hDevice, int *rssi) {
  int res = 0;
  unsigned char LNA, RFVGA, CSF, PREAMP_PGA, CRNTMODE1, CRNTMODE0 = 0x00;
  int K = -105;
  int PGA = 0;
  int A2 = 5;
  int A3 = 2;
  res = fc8150_read(hDevice, 0xA3, &LNA);
  res = fc8150_read(hDevice, 0xA4, &RFVGA);
  res = fc8150_read(hDevice, 0xA8, &CSF);
  res = fc8150_bb_read(hDevice, 0x106E, &PREAMP_PGA);
  if (res != 0)
    return res;
  if (127 < PREAMP_PGA)
    PGA = -1 * ((256 - PREAMP_PGA) + 1);
  else if (PREAMP_PGA <= 127)
    PGA = PREAMP_PGA;
  CRNTMODE1 = (LNA >> 6) & 0x01;
  CRNTMODE0 = (LNA >> 5) & 0x01;
  *rssi = (LNA & 0x07) * 6 + (RFVGA & 0x1F) + ((CSF & 0x03) + ((CSF & 0x70) >> 4)) * 6 - PGA / 4 + A2 * CRNTMODE1 + A3 * CRNTMODE0 + K;
  return 0;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<fc8150_get_rssi>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  mov    $0xa3,%esi
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdx
  call   <fc8150_read@plt>
  lea    0x5(%rsp),%rdx
  mov    $0xa4,%esi
  mov    %rbp,%rdi
  call   <fc8150_read@plt>
  lea    0x6(%rsp),%rdx
  mov    $0xa8,%esi
  mov    %rbp,%rdi
  call   <fc8150_read@plt>
  lea    0x7(%rsp),%rdx
  mov    $0x106e,%esi
  mov    %rbp,%rdi
  call   <fc8150_bb_read@plt>
  mov    %eax,%r8d
  test   %eax,%eax
  jne    L2
  movzbl 0x7(%rsp),%edx
  movzbl 0x4(%rsp),%eax
  movzbl 0x6(%rsp),%esi
  test   %dl,%dl
  lea    -0x101(%rdx),%ecx
  cmovs  %ecx,%edx
  mov    %eax,%ecx
  and    $0x7,%ecx
  lea    (%rcx,%rcx,2),%edi
  movzbl 0x5(%rsp),%ecx
  and    $0x1f,%ecx
  lea    (%rcx,%rdi,2),%edi
  mov    %esi,%ecx
  and    $0x3,%esi
  shr    $0x4,%ecx
  and    $0x7,%ecx
  add    %esi,%ecx
  test   %edx,%edx
  lea    0x3(%rdx),%esi
  lea    (%rcx,%rcx,2),%ecx
  cmovns %edx,%esi
  lea    (%rdi,%rcx,2),%ecx
  mov    %ecx,%edx
  mov    %eax,%ecx
  sar    $0x2,%esi
  shr    $0x6,%cl
  sub    %esi,%edx
  shr    $0x5,%al
  and    $0x1,%ecx
  and    $0x1,%eax
  lea    (%rcx,%rcx,4),%ecx
  add    %ecx,%edx
  lea    -0x69(%rdx,%rax,2),%eax
  mov    %eax,(%rbx)
L2:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L12
  add    $0x18,%rsp
  mov    %r8d,%eax
  pop    %rbx
  pop    %rbp
  ret
L12:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int fc8150_get_rssi(void *hDevice, int *rssi) {
  int res = 0;
  unsigned char LNA, RFVGA, CSF, PREAMP_PGA, CRNTMODE1, CRNTMODE0 = 0x00;
  int K = -105;
  int PGA = 0;
  int A2 = 5;
  int A3 = 2;
  res = fc8150_read(hDevice, 0xA3, &LNA);
  res = fc8150_read(hDevice, 0xA4, &RFVGA);
  res = fc8150_read(hDevice, 0xA8, &CSF);
  res = fc8150_bb_read(hDevice, 0x106E, &PREAMP_PGA);
  if (res != 0)
    return res;
  if (127 < PREAMP_PGA)
    PGA = -1 * ((256 - PREAMP_PGA) + 1);
  else if (PREAMP_PGA <= 127)
    PGA = PREAMP_PGA;
  CRNTMODE1 = (LNA >> 6) & 0x01;
  CRNTMODE0 = (LNA >> 5) & 0x01;
  *rssi = (LNA & 0x07) * 6 + (RFVGA & 0x1F) + ((CSF & 0x03) + ((CSF & 0x70) >> 4)) * 6 - PGA / 4 + A2 * CRNTMODE1 + A3 * CRNTMODE0 + K;
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<prefix_valid>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %rdx,-0x18(%rbp)
  cmpq   $0x0,-0x10(%rbp)
  je     L32
  mov    -0x10(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  mov    $0x1,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <prefix_list_overlap@plt>
  test   %rax,%rax
  je     L32
  mov    $0x0,%eax
  jmp    L16
L32:
  cmpq   $0x0,-0x18(%rbp)
  je     L40
  mov    -0x18(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  mov    $0x1,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <prefix_list_overlap@plt>
  test   %rax,%rax
  je     L40
  mov    $0x0,%eax
  jmp    L16
L40:
  mov    $0x1,%eax
L16:
  leave
  ret
```

assistant: ```c
int prefix_valid(const struct prefix *p, const struct prefix_list *pl1, const struct prefix_list *pl2) {
  if (pl1 && prefix_list_overlap(p, pl1, 1))
    return 0;
  if (pl2 && prefix_list_overlap(p, pl2, 1))
    return 0;
  return 1;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<prefix_valid>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  mov    %rdx,%rbx
  test   %rsi,%rsi
  je     L14
  mov    $0x1,%edx
  call   <prefix_list_overlap@plt>
  mov    %rax,%rdx
  mov    $0x0,%eax
  test   %rdx,%rdx
  jne    L19
L14:
  mov    $0x1,%eax
  test   %rbx,%rbx
  je     L19
  mov    $0x1,%edx
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  call   <prefix_list_overlap@plt>
  test   %rax,%rax
  sete   %al
  movzbl %al,%eax
L19:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
int prefix_valid(const struct prefix *p, const struct prefix_list *pl1, const struct prefix_list *pl2) {
  if (pl1 && prefix_list_overlap(p, pl1, 1))
    return 0;
  if (pl2 && prefix_list_overlap(p, pl2, 1))
    return 0;
  return 1;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<prefix_valid>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %rdx,%rbp
  sub    $0x8,%rsp
  test   %rsi,%rsi
  je     L13
  mov    $0x1,%edx
  call   <prefix_list_overlap@plt>
  mov    %rax,%r8
  xor    %eax,%eax
  test   %r8,%r8
  jne    L7
L13:
  mov    $0x1,%eax
  test   %rbp,%rbp
  je     L7
  mov    $0x1,%edx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <prefix_list_overlap@plt>
  test   %rax,%rax
  sete   %al
  movzbl %al,%eax
L7:
  add    $0x8,%rsp
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
int prefix_valid(const struct prefix *p, const struct prefix_list *pl1, const struct prefix_list *pl2) {
  if (pl1 && prefix_list_overlap(p, pl1, 1))
    return 0;
  if (pl2 && prefix_list_overlap(p, pl2, 1))
    return 0;
  return 1;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<prefix_valid>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %rdx,%rbp
  sub    $0x8,%rsp
  test   %rsi,%rsi
  je     L6
  mov    $0x1,%edx
  call   <prefix_list_overlap@plt>
  mov    %rax,%r8
  xor    %eax,%eax
  test   %r8,%r8
  jne    L27
L6:
  mov    $0x1,%eax
  test   %rbp,%rbp
  je     L27
  mov    $0x1,%edx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <prefix_list_overlap@plt>
  test   %rax,%rax
  sete   %al
  movzbl %al,%eax
L27:
  add    $0x8,%rsp
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
int prefix_valid(const struct prefix *p, const struct prefix_list *pl1, const struct prefix_list *pl2) {
  if (pl1 && prefix_list_overlap(p, pl1, 1))
    return 0;
  if (pl2 && prefix_list_overlap(p, pl2, 1))
    return 0;
  return 1;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<calc_col_offset_width>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  movl   $0x3f,-0x4(%rbp)
  movl   $0x3f,-0x4(%rbp)
  jmp    L16
L36:
  mov    -0x4(%rbp),%eax
  mov    -0x18(%rbp),%rdx
  mov    %eax,%ecx
  shr    %cl,%rdx
  mov    %rdx,%rax
  and    $0x1,%eax
  test   %rax,%rax
  jne    L29
  subl   $0x1,-0x4(%rbp)
L16:
  cmpl   $0x0,-0x4(%rbp)
  jg     L36
  jmp    L6
L29:
  nop
L6:
  mov    -0x4(%rbp),%eax
  lea    0x3(%rax),%edx
  test   %eax,%eax
  cmovs  %edx,%eax
  sar    $0x2,%eax
  add    $0x1,%eax
  pop    %rbp
  ret
```

assistant: ```c
unsigned calc_col_offset_width(uint64_t highest_val) {
  int idx = 63;
  for (idx = 63; idx > 0; --idx)
    if (highest_val & (1ull << idx))
      break;
  return 1 + (idx / 4);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<calc_col_offset_width>:
  endbr64
  test   %rdi,%rdi
  js     L35
  mov    $0x3e,%eax
L28:
  bt     %rax,%rdi
  jb     L13
  sub    $0x1,%eax
  jne    L28
L13:
  lea    0x3(%rax),%edx
  test   %eax,%eax
  cmovs  %edx,%eax
  sar    $0x2,%eax
  add    $0x1,%eax
  ret
L35:
  mov    $0x3f,%eax
  jmp    L13
```

assistant: ```c
unsigned calc_col_offset_width(uint64_t highest_val) {
  int idx = 63;
  for (idx = 63; idx > 0; --idx)
    if (highest_val & (1ull << idx))
      break;
  return 1 + (idx / 4);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<calc_col_offset_width>:
  endbr64
  mov    $0x3f,%eax
  jmp    L11
  nopl   0x0(%rax,%rax,1)
L21:
  sub    $0x1,%eax
  je     L1
L11:
  bt     %rax,%rdi
  jae    L21
  sar    $0x2,%eax
  add    $0x1,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L1:
  mov    $0x1,%eax
  ret
```

assistant: ```c
unsigned calc_col_offset_width(uint64_t highest_val) {
  int idx = 63;
  for (idx = 63; idx > 0; --idx)
    if (highest_val & (1ull << idx))
      break;
  return 1 + (idx / 4);
}
```
user: Translate the below assembly code into C programming language:

```asm
<calc_col_offset_width>:
  endbr64
  mov    $0x3f,%eax
  jmp    L17
  nopl   0x0(%rax,%rax,1)
L13:
  sub    $0x1,%eax
  je     L14
L17:
  bt     %rax,%rdi
  jae    L13
  sar    $0x2,%eax
  add    $0x1,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L14:
  mov    $0x1,%eax
  ret
```

assistant: ```c
unsigned calc_col_offset_width(uint64_t highest_val) {
  int idx = 63;
  for (idx = 63; idx > 0; --idx)
    if (highest_val & (1ull << idx))
      break;
  return 1 + (idx / 4);
}
```