ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<calculate_window_size>:
  endbr64
  mov    %edx,%eax
  test   %esi,%esi
  je     L0
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  cvtsi2sd %edi,%xmm0
  cvtsi2sd %esi,%xmm1
  divsd  D5(%rip),%xmm1
  divsd  %xmm1,%xmm0
  cvttsd2si %xmm0,%edx
  cmp    %ecx,%edx
  cmovle %edx,%ecx
  cmp    %eax,%edx
  cmovge %ecx,%eax
L0:
  ret
```

tool_calls: name: disassemble_data
arguments: label: D5
type_guessed: byte[8]

tool: {"D5": [0x00,0x00,0x00,0x00,0x00,0x00,0x24,0x40]}

assistant: ```c
int calculate_window_size(int branch_genome_size, int number_of_branch_snps, int window_min, int window_max) {
  int window_size = 0;
  if (number_of_branch_snps == 0) {
    return window_min;
  }
  window_size = (int)((branch_genome_size * 1.0) / (number_of_branch_snps * 1.0 / 10));
  if (window_size < window_min) {
    return window_min;
  } else if (window_size > window_max) {
    return window_max;
  }
  return window_size;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<async_prompt_abort>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    $0x0,%eax
  pop    %rbp
  ret
```

assistant: ```c
int async_prompt_abort(const char *message) {
  (void)message;
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<async_prompt_abort>:
  endbr64
  mov    $0x0,%eax
  ret
```

assistant: ```c
int async_prompt_abort(const char *message) {
  (void)message;
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<async_prompt_abort>:
  endbr64
  xor    %eax,%eax
  ret
```

assistant: ```c
int async_prompt_abort(const char *message) {
  (void)message;
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<async_prompt_abort>:
  endbr64
  xor    %eax,%eax
  ret
```

assistant: ```c
int async_prompt_abort(const char *message) {
  (void)message;
  return 0;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  movl   $0x64,-0x10(%rbp)
  mov    -0x10(%rbp),%eax
  cltq
  mov    %rax,%rsi
  lea    D28(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  movl   $0x64,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  mov    %rax,%rsi
  lea    D6(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  movq   $0xf4240,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    %rax,%rsi
  lea    D12(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  leave
  ret
```

tool_calls: name: read_data
arguments: label: D28
type_infered: string
name: read_data
arguments: label: D6
type_infered: string
name: read_data
arguments: label: D12
type_infered: string

tool: D28: decimal signed constant: %d


tool: D6: decimal unsigned constant: %d


tool: D12: decimal long range constant: %d


assistant: ```c
int main(void) {
  int x = 100;
  printf("decimal signed constant: %d\n", x);
  unsigned int y = 100U;
  printf("decimal unsigned constant: %d\n", y);
  long int z = 10E5L;
  printf("decimal long range constant: %d\n", z);
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x64,%esi
  lea    D28(%rip),%rdi
  call   <printf@plt>
  mov    $0x64,%esi
  lea    D1(%rip),%rdi
  call   <printf@plt>
  mov    $0xf4240,%esi
  lea    D13(%rip),%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: read_data
arguments: data_label: D28
type: string
name: read_data
arguments: data_label: D1
type: string
name: read_data
arguments: data_label: D13
type: string

tool: D28: decimal signed constant: %d


tool: D1: decimal unsigned constant: %d


tool: D13: decimal long range constant: %d


assistant: ```c
int main(void) {
  int x = 100;
  printf("decimal signed constant: %d\n", x);
  unsigned int y = 100U;
  printf("decimal unsigned constant: %d\n", y);
  long int z = 10E5L;
  printf("decimal long range constant: %d\n", z);
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x64,%esi
  lea    D12(%rip),%rdi
  call   <printf@plt>
  mov    $0x64,%esi
  lea    D24(%rip),%rdi
  call   <printf@plt>
  mov    $0xf4240,%esi
  lea    D1(%rip),%rdi
  call   <printf@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: disassemble_data
arguments: label: D12
data_type: string
name: disassemble_data
arguments: label: D24
data_type: string
name: disassemble_data
arguments: label: D1
data_type: string

tool: D12: decimal signed constant: %d


tool: D24: decimal unsigned constant: %d


tool: D1: decimal long range constant: %d


assistant: ```c
int main(void) {
  int x = 100;
  printf("decimal signed constant: %d\n", x);
  unsigned int y = 100U;
  printf("decimal unsigned constant: %d\n", y);
  long int z = 10E5L;
  printf("decimal long range constant: %d\n", z);
  return 0;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x64,%esi
  lea    D8(%rip),%rdi
  call   <printf@plt>
  mov    $0x64,%esi
  lea    D2(%rip),%rdi
  call   <printf@plt>
  mov    $0xf4240,%esi
  lea    D14(%rip),%rdi
  call   <printf@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: read_data
arguments: data_tag: D8
type: string
name: read_data
arguments: data_tag: D2
type: string
name: read_data
arguments: data_tag: D14
type: string

tool: D8: decimal signed constant: %d


tool: D2: decimal unsigned constant: %d


tool: D14: decimal long range constant: %d


assistant: ```c
int main(void) {
  int x = 100;
  printf("decimal signed constant: %d\n", x);
  unsigned int y = 100U;
  printf("decimal unsigned constant: %d\n", y);
  long int z = 10E5L;
  printf("decimal long range constant: %d\n", z);
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<mach64_ext_readw>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x14(%rbp),%eax
  and    $0x400,%eax
  test   %eax,%eax
  jne    L4
  movl   $0xffff,-0x4(%rbp)
  jmp    L15
L4:
  mov    -0x20(%rbp),%rdx
  mov    -0x14(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <mach64_ext_readb@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x14(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    -0x20(%rbp),%rax
  mov    %rax,%rsi
  mov    %edx,%edi
  call   <mach64_ext_readb@plt>
  shl    $0x8,%eax
  or     %eax,-0x4(%rbp)
  nop
L15:
  mov    -0x4(%rbp),%eax
  leave
  ret
```

assistant: ```c
uint16_t mach64_ext_readw(uint32_t addr, void *p) {
  uint16_t ret;
  if (!(addr & 0x400)) {
    ;
    ret = 0xffff;
  } else
    switch (addr & 0x3ff) {
    default:
      ret = mach64_ext_readb(addr, p);
      ret |= mach64_ext_readb(addr + 1, p) << 8;
      break;
    }
  if ((addr & 0x3fc) != 0x018)
    ;
  return ret;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<mach64_ext_readw>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edi,%ebx
  mov    $0xffff,%eax
  test   $0x4,%bh
  jne    L3
L0:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L3:
  mov    %rsi,%rbp
  call   <mach64_ext_readb@plt>
  mov    %eax,%r12d
  lea    0x1(%rbx),%edi
  mov    %rbp,%rsi
  call   <mach64_ext_readb@plt>
  shl    $0x8,%eax
  or     %r12d,%eax
  jmp    L0
```

assistant: ```c
uint16_t mach64_ext_readw(uint32_t addr, void *p) {
  uint16_t ret;
  if (!(addr & 0x400)) {
    ;
    ret = 0xffff;
  } else
    switch (addr & 0x3ff) {
    default:
      ret = mach64_ext_readb(addr, p);
      ret |= mach64_ext_readb(addr + 1, p) << 8;
      break;
    }
  if ((addr & 0x3fc) != 0x018)
    ;
  return ret;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<mach64_ext_readw>:
  endbr64
  push   %r12
  mov    $0xffff,%eax
  push   %rbp
  push   %rbx
  mov    %edi,%ebx
  test   $0x4,%bh
  je     L5
  mov    %rsi,%rbp
  call   <mach64_ext_readb@plt>
  lea    0x1(%rbx),%edi
  mov    %rbp,%rsi
  mov    %eax,%r12d
  call   <mach64_ext_readb@plt>
  shl    $0x8,%eax
  or     %r12d,%eax
L5:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
uint16_t mach64_ext_readw(uint32_t addr, void *p) {
  uint16_t ret;
  if (!(addr & 0x400)) {
    ;
    ret = 0xffff;
  } else
    switch (addr & 0x3ff) {
    default:
      ret = mach64_ext_readb(addr, p);
      ret |= mach64_ext_readb(addr + 1, p) << 8;
      break;
    }
  if ((addr & 0x3fc) != 0x018)
    ;
  return ret;
}
```
user: What is the c source code of the assembly code below:

```asm
<mach64_ext_readw>:
  endbr64
  push   %r12
  mov    $0xffff,%eax
  push   %rbp
  push   %rbx
  mov    %edi,%ebx
  test   $0x4,%bh
  je     L5
  mov    %rsi,%rbp
  call   <mach64_ext_readb@plt>
  lea    0x1(%rbx),%edi
  mov    %rbp,%rsi
  mov    %eax,%r12d
  call   <mach64_ext_readb@plt>
  shl    $0x8,%eax
  or     %r12d,%eax
L5:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
uint16_t mach64_ext_readw(uint32_t addr, void *p) {
  uint16_t ret;
  if (!(addr & 0x400)) {
    ;
    ret = 0xffff;
  } else
    switch (addr & 0x3ff) {
    default:
      ret = mach64_ext_readb(addr, p);
      ret |= mach64_ext_readb(addr + 1, p) << 8;
      break;
    }
  if ((addr & 0x3fc) != 0x018)
    ;
  return ret;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<reset_vet>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %edx,-0x20(%rbp)
  movl   $0x0,-0x8(%rbp)
  jmp    L18
L2:
  mov    -0x20(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    -0x8(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x18(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0x20(%rbp)
  addl   $0x1,-0x8(%rbp)
L18:
  mov    -0x20(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L2
  mov    -0x8(%rbp),%eax
  mov    %eax,-0x4(%rbp)
  jmp    L31
L17:
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movb   $0x20,(%rax)
  addl   $0x1,-0x8(%rbp)
L31:
  mov    -0x1c(%rbp),%eax
  sub    $0x1,%eax
  cmp    %eax,-0x8(%rbp)
  jl     L17
  mov    -0x4(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int reset_vet(char vet[], int size, int index) {
  int i, j;
  for (i = 0; vet[index] != '\0'; ++i) {
    vet[i] = vet[index];
    ++index;
  }
  j = i;
  for (; i < (size - 1); ++i)
    vet[i] = ' ';
  return j;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<reset_vet>:
  endbr64
  movslq %edx,%rdx
  add    %rdi,%rdx
  movzbl (%rdx),%ecx
  test   %cl,%cl
  je     L34
  mov    $0x1,%eax
L17:
  mov    %cl,-0x1(%rdi,%rax,1)
  mov    %eax,%r8d
  add    $0x1,%rax
  movzbl -0x1(%rdx,%rax,1),%ecx
  test   %cl,%cl
  jne    L17
L30:
  lea    -0x1(%rsi),%eax
  cmp    %r8d,%eax
  jle    L10
  movslq %r8d,%rdx
  lea    (%rdi,%rdx,1),%rax
  lea    0x1(%rdi,%rdx,1),%rdx
  sub    $0x2,%esi
  sub    %r8d,%esi
  add    %rsi,%rdx
L43:
  movb   $0x20,(%rax)
  add    $0x1,%rax
  cmp    %rdx,%rax
  jne    L43
L10:
  mov    %r8d,%eax
  ret
L34:
  mov    $0x0,%r8d
  jmp    L30
```

assistant: ```c
int reset_vet(char vet[], int size, int index) {
  int i, j;
  for (i = 0; vet[index] != '\0'; ++i) {
    vet[i] = vet[index];
    ++index;
  }
  j = i;
  for (; i < (size - 1); ++i)
    vet[i] = ' ';
  return j;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<reset_vet>:
  endbr64
  movslq %edx,%rdx
  push   %r12
  add    %rdi,%rdx
  movzbl (%rdx),%ecx
  test   %cl,%cl
  je     L13
  mov    $0x1,%eax
  nopl   0x0(%rax,%rax,1)
L3:
  mov    %cl,-0x1(%rdi,%rax,1)
  mov    %eax,%r12d
  add    $0x1,%rax
  movzbl -0x1(%rdx,%rax,1),%ecx
  test   %cl,%cl
  jne    L3
L7:
  lea    -0x1(%rsi),%eax
  cmp    %r12d,%eax
  jle    L30
  lea    -0x2(%rsi),%edx
  movslq %r12d,%rax
  mov    %edx,%esi
  add    %rax,%rdi
  sub    %r12d,%esi
  lea    0x1(%rsi),%rdx
  mov    $0x20,%esi
  call   <memset@plt>
L30:
  mov    %r12d,%eax
  pop    %r12
  ret
  xchg   %ax,%ax
L13:
  xor    %r12d,%r12d
  jmp    L7
```

assistant: ```c
int reset_vet(char vet[], int size, int index) {
  int i, j;
  for (i = 0; vet[index] != '\0'; ++i) {
    vet[i] = vet[index];
    ++index;
  }
  j = i;
  for (; i < (size - 1); ++i)
    vet[i] = ' ';
  return j;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<reset_vet>:
  endbr64
  movslq %edx,%rdx
  push   %r12
  add    %rdi,%rdx
  movzbl (%rdx),%ecx
  test   %cl,%cl
  je     L5
  mov    $0x1,%eax
  nopl   0x0(%rax,%rax,1)
L37:
  mov    %cl,-0x1(%rdi,%rax,1)
  mov    %eax,%r12d
  add    $0x1,%rax
  movzbl -0x1(%rdx,%rax,1),%ecx
  test   %cl,%cl
  jne    L37
L26:
  lea    -0x1(%rsi),%eax
  cmp    %r12d,%eax
  jle    L25
  lea    -0x2(%rsi),%edx
  movslq %r12d,%rax
  mov    %edx,%esi
  add    %rax,%rdi
  sub    %r12d,%esi
  lea    0x1(%rsi),%rdx
  mov    $0x20,%esi
  call   <memset@plt>
L25:
  mov    %r12d,%eax
  pop    %r12
  ret
  xchg   %ax,%ax
L5:
  xor    %r12d,%r12d
  jmp    L26
```

assistant: ```c
int reset_vet(char vet[], int size, int index) {
  int i, j;
  for (i = 0; vet[index] != '\0'; ++i) {
    vet[i] = vet[index];
    ++index;
  }
  j = i;
  for (; i < (size - 1); ++i)
    vet[i] = ' ';
  return j;
}
```
user: What is the c source code of the assembly code below:

```asm
<kernel_sgemv_n_1_lib8>:
  endbr64
  mov    %rsi,%rax
  mov    %rdx,%rsi
  mov    %rcx,%r10
  test   %edi,%edi
  jle    L9
  cmp    $0x3,%edi
  jle    L18
  lea    -0x4(%rdi),%r11d
  shr    $0x2,%r11d
  lea    0x1(%r11),%r9d
  mov    %r9d,%r9d
  mov    %r9,%rcx
  shl    $0x7,%rcx
  add    %rax,%rcx
  pxor   %xmm0,%xmm0
L67:
  movss  (%rax),%xmm1
  mulss  (%rdx),%xmm1
  addss  %xmm0,%xmm1
  movss  0x20(%rax),%xmm0
  mulss  0x4(%rdx),%xmm0
  addss  %xmm1,%xmm0
  movss  0x40(%rax),%xmm1
  mulss  0x8(%rdx),%xmm1
  addss  %xmm0,%xmm1
  movss  0x60(%rax),%xmm0
  mulss  0xc(%rdx),%xmm0
  addss  %xmm1,%xmm0
  sub    $0xffffffffffffff80,%rax
  add    $0x10,%rdx
  cmp    %rcx,%rax
  jne    L67
  shl    $0x4,%r9
  add    %r9,%rsi
  lea    0x4(,%r11,4),%edx
  cmp    %edi,%edx
  jge    L58
L35:
  mov    $0x0,%eax
L51:
  movss  (%rcx,%rax,8),%xmm1
  mulss  (%rsi,%rax,1),%xmm1
  addss  %xmm1,%xmm0
  add    $0x1,%edx
  add    $0x4,%rax
  cmp    %edx,%edi
  jg     L51
L58:
  test   %r8d,%r8d
  jne    L1
  movss  %xmm0,(%r10)
  ret
L18:
  mov    %rax,%rcx
  pxor   %xmm0,%xmm0
  mov    $0x0,%edx
  jmp    L35
L1:
  cmp    $0x1,%r8d
  je     L69
  movss  (%r10),%xmm1
  subss  %xmm0,%xmm1
  movss  %xmm1,(%r10)
L9:
  ret
L69:
  addss  (%r10),%xmm0
  movss  %xmm0,(%r10)
  ret
```

assistant: ```c
void kernel_sgemv_n_1_lib8(int kmax, float *A, float *x, float *y, int alg) {
  if (kmax <= 0)
    return;
  const int lda = 8;
  int k;
  float x_0, x_1, x_2, x_3, y_0 = 0;
  k = 0;
  for (; k < kmax - 3; k += 4) {
    x_0 = x[0];
    x_1 = x[1];
    x_2 = x[2];
    x_3 = x[3];
    y_0 += A[0 + lda * 0] * x_0;
    y_0 += A[0 + lda * 1] * x_1;
    y_0 += A[0 + lda * 2] * x_2;
    y_0 += A[0 + lda * 3] * x_3;
    A += 4 * lda;
    x += 4;
  }
  for (; k < kmax; k++) {
    x_0 = x[0];
    y_0 += A[0 + lda * 0] * x_0;
    A += 1 * lda;
    x += 1;
  }
  if (alg == 0) {
    y[0] = y_0;
  } else if (alg == 1) {
    y[0] += y_0;
  } else {
    y[0] -= y_0;
  }
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<kernel_sgemv_n_1_lib8>:
  endbr64
  mov    %rsi,%r9
  mov    %rdx,%rax
  mov    %rcx,%r10
  test   %edi,%edi
  jle    L55
  cmp    $0x3,%edi
  jle    L34
  lea    -0x4(%rdi),%ecx
  pxor   %xmm0,%xmm0
  shr    $0x2,%ecx
  lea    0x1(%rcx),%r11d
  mov    %r11,%rsi
  mov    %r11,%rcx
  shl    $0x4,%rsi
  add    %rdx,%rsi
  mov    %r9,%rdx
  nopl   0x0(%rax)
L31:
  movss  (%rdx),%xmm1
  mulss  (%rax),%xmm1
  add    $0x10,%rax
  sub    $0xffffffffffffff80,%rdx
  addss  %xmm0,%xmm1
  movss  -0x60(%rdx),%xmm0
  mulss  -0xc(%rax),%xmm0
  addss  %xmm1,%xmm0
  movss  -0x40(%rdx),%xmm1
  mulss  -0x8(%rax),%xmm1
  addss  %xmm0,%xmm1
  movss  -0x20(%rdx),%xmm0
  mulss  -0x4(%rax),%xmm0
  addss  %xmm1,%xmm0
  cmp    %rax,%rsi
  jne    L31
  shl    $0x7,%r11
  lea    0x0(,%rcx,4),%eax
  add    %r11,%r9
  cmp    %eax,%edi
  jle    L58
L77:
  xor    %edx,%edx
L66:
  movss  (%r9,%rdx,8),%xmm1
  mulss  (%rsi,%rdx,1),%xmm1
  add    $0x1,%eax
  add    $0x4,%rdx
  addss  %xmm1,%xmm0
  cmp    %eax,%edi
  jg     L66
L58:
  test   %r8d,%r8d
  je     L64
  movss  (%r10),%xmm1
  cmp    $0x1,%r8d
  je     L25
  subss  %xmm0,%xmm1
  movss  %xmm1,(%r10)
L55:
  ret
  nopl   0x0(%rax,%rax,1)
L25:
  addss  %xmm1,%xmm0
L64:
  movss  %xmm0,(%r10)
  ret
  nopw   0x0(%rax,%rax,1)
L34:
  mov    %rdx,%rsi
  pxor   %xmm0,%xmm0
  xor    %eax,%eax
  jmp    L77
```

assistant: ```c
void kernel_sgemv_n_1_lib8(int kmax, float *A, float *x, float *y, int alg) {
  if (kmax <= 0)
    return;
  const int lda = 8;
  int k;
  float x_0, x_1, x_2, x_3, y_0 = 0;
  k = 0;
  for (; k < kmax - 3; k += 4) {
    x_0 = x[0];
    x_1 = x[1];
    x_2 = x[2];
    x_3 = x[3];
    y_0 += A[0 + lda * 0] * x_0;
    y_0 += A[0 + lda * 1] * x_1;
    y_0 += A[0 + lda * 2] * x_2;
    y_0 += A[0 + lda * 3] * x_3;
    A += 4 * lda;
    x += 4;
  }
  for (; k < kmax; k++) {
    x_0 = x[0];
    y_0 += A[0 + lda * 0] * x_0;
    A += 1 * lda;
    x += 1;
  }
  if (alg == 0) {
    y[0] = y_0;
  } else if (alg == 1) {
    y[0] += y_0;
  } else {
    y[0] -= y_0;
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<kernel_sgemv_n_1_lib8>:
  endbr64
  mov    %rsi,%r9
  mov    %rdx,%rax
  mov    %rcx,%r10
  test   %edi,%edi
  jle    L49
  cmp    $0x3,%edi
  jle    L91
  lea    -0x4(%rdi),%esi
  pxor   %xmm0,%xmm0
  shr    $0x2,%esi
  lea    0x1(%rsi),%r11d
  mov    %r11,%rcx
  mov    %r11,%rsi
  shl    $0x4,%rcx
  add    %rdx,%rcx
  mov    %r9,%rdx
  nopl   0x0(%rax)
L58:
  movss  (%rdx),%xmm1
  mulss  (%rax),%xmm1
  add    $0x10,%rax
  sub    $0xffffffffffffff80,%rdx
  addss  %xmm0,%xmm1
  movss  -0x60(%rdx),%xmm0
  mulss  -0xc(%rax),%xmm0
  addss  %xmm1,%xmm0
  movss  -0x40(%rdx),%xmm1
  mulss  -0x8(%rax),%xmm1
  addss  %xmm0,%xmm1
  movss  -0x20(%rdx),%xmm0
  mulss  -0x4(%rax),%xmm0
  addss  %xmm1,%xmm0
  cmp    %rcx,%rax
  jne    L58
  shl    $0x7,%r11
  lea    0x0(,%rsi,4),%eax
  add    %r11,%r9
  cmp    %eax,%edi
  jle    L72
L5:
  movss  (%r9),%xmm1
  mulss  (%rcx),%xmm1
  lea    0x1(%rax),%edx
  addss  %xmm1,%xmm0
  cmp    %edx,%edi
  jle    L72
  movss  0x20(%r9),%xmm1
  mulss  0x4(%rcx),%xmm1
  lea    0x2(%rax),%edx
  addss  %xmm1,%xmm0
  cmp    %edi,%edx
  jge    L72
  movss  0x8(%rcx),%xmm1
  mulss  0x40(%r9),%xmm1
  add    $0x3,%eax
  addss  %xmm1,%xmm0
  cmp    %eax,%edi
  jle    L72
  movss  0x60(%r9),%xmm1
  mulss  0xc(%rcx),%xmm1
  addss  %xmm1,%xmm0
L72:
  test   %r8d,%r8d
  je     L78
  movss  (%r10),%xmm1
  cmp    $0x1,%r8d
  je     L2
  subss  %xmm0,%xmm1
  movss  %xmm1,(%r10)
L49:
  ret
  xchg   %ax,%ax
L2:
  addss  %xmm1,%xmm0
L78:
  movss  %xmm0,(%r10)
  ret
  nopw   0x0(%rax,%rax,1)
L91:
  mov    %rdx,%rcx
  pxor   %xmm0,%xmm0
  xor    %eax,%eax
  jmp    L5
```

assistant: ```c
void kernel_sgemv_n_1_lib8(int kmax, float *A, float *x, float *y, int alg) {
  if (kmax <= 0)
    return;
  const int lda = 8;
  int k;
  float x_0, x_1, x_2, x_3, y_0 = 0;
  k = 0;
  for (; k < kmax - 3; k += 4) {
    x_0 = x[0];
    x_1 = x[1];
    x_2 = x[2];
    x_3 = x[3];
    y_0 += A[0 + lda * 0] * x_0;
    y_0 += A[0 + lda * 1] * x_1;
    y_0 += A[0 + lda * 2] * x_2;
    y_0 += A[0 + lda * 3] * x_3;
    A += 4 * lda;
    x += 4;
  }
  for (; k < kmax; k++) {
    x_0 = x[0];
    y_0 += A[0 + lda * 0] * x_0;
    A += 1 * lda;
    x += 1;
  }
  if (alg == 0) {
    y[0] = y_0;
  } else if (alg == 1) {
    y[0] += y_0;
  } else {
    y[0] -= y_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
<x_fopen>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x20(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L5
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <perror@plt>
  mov    D4(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,%edi
  call   <exit@plt>
L5:
  mov    -0x8(%rbp),%rax
  leave
  ret
```

assistant: ```c
FILE *x_fopen(const char *pathname, const char *mode) {
  FILE *fp = fopen(pathname, mode);
  if (fp == NULL) {
    perror(pathname);
    exit(EXIT_FAILURE);
  }
  return fp;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<x_fopen>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  call   <fopen@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L16
L5:
  mov    %rbx,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L16:
  mov    %rbp,%rdi
  call   <perror@plt>
  mov    D9(%rip),%rax
  mov    (%rax),%edi
  call   <exit@plt>
  jmp    L5
```

assistant: ```c
FILE *x_fopen(const char *pathname, const char *mode) {
  FILE *fp = fopen(pathname, mode);
  if (fp == NULL) {
    perror(pathname);
    exit(EXIT_FAILURE);
  }
  return fp;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<x_fopen>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x8,%rsp
  call   <fopen@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L6
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  ret
  cs nopw 0x0(%rax,%rax,1)
L6:
  mov    %rbp,%rdi
  call   <perror@plt>
  mov    D2(%rip),%rax
  mov    (%rax),%edi
  call   <exit@plt>
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
FILE *x_fopen(const char *pathname, const char *mode) {
  FILE *fp = fopen(pathname, mode);
  if (fp == NULL) {
    perror(pathname);
    exit(EXIT_FAILURE);
  }
  return fp;
}
```
user: What is the c source code of the assembly code below:

```asm
<x_fopen>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x8,%rsp
  call   <fopen@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L6
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  ret
  cs nopw 0x0(%rax,%rax,1)
L6:
  mov    %rbp,%rdi
  call   <perror@plt>
  mov    D2(%rip),%rax
  mov    (%rax),%edi
  call   <exit@plt>
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
FILE *x_fopen(const char *pathname, const char *mode) {
  FILE *fp = fopen(pathname, mode);
  if (fp == NULL) {
    perror(pathname);
    exit(EXIT_FAILURE);
  }
  return fp;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<int32_size>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  jns    L41
  mov    $0xa,%eax
  jmp    L71
L41:
  cmpl   $0x7f,-0x4(%rbp)
  jg     L95
  mov    $0x1,%eax
  jmp    L71
L95:
  cmpl   $0x3fff,-0x4(%rbp)
  jg     L10
  mov    $0x2,%eax
  jmp    L71
L10:
  cmpl   $0x1fffff,-0x4(%rbp)
  jg     L81
  mov    $0x3,%eax
  jmp    L71
L81:
  cmpl   $0xfffffff,-0x4(%rbp)
  jg     L53
  mov    $0x4,%eax
  jmp    L71
L53:
  mov    $0x5,%eax
L71:
  pop    %rbp
  ret
```

assistant: ```c
size_t int32_size(int32_t v) {
  if (v < 0)
    return 10;
  else if (v < (1 << 7))
    return 1;
  else if (v < (1 << 14))
    return 2;
  else if (v < (1 << 21))
    return 3;
  else if (v < (1 << 28))
    return 4;
  else
    return 5;
}
```
user: What is the c source code of the assembly code below?

```asm
<int32_size>:
  endbr64
  test   %edi,%edi
  js     L22
  mov    $0x1,%eax
  cmp    $0x7f,%edi
  jle    L20
  mov    $0x2,%eax
  cmp    $0x3fff,%edi
  jle    L20
  mov    $0x3,%eax
  cmp    $0x1fffff,%edi
  jle    L20
  cmp    $0xfffffff,%edi
  setg   %al
  movzbl %al,%eax
  add    $0x4,%rax
  ret
L22:
  mov    $0xa,%eax
L20:
  ret
```

assistant: ```c
size_t int32_size(int32_t v) {
  if (v < 0)
    return 10;
  else if (v < (1 << 7))
    return 1;
  else if (v < (1 << 14))
    return 2;
  else if (v < (1 << 21))
    return 3;
  else if (v < (1 << 28))
    return 4;
  else
    return 5;
}
```