ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 这段汇编代码用C语言表示是什么样的：

```asm
<LPCCOMxIntEnable>:
  endbr64
  mov    0x120(%rdi),%rax
  or     %rsi,%rax
  mov    %rax,0x120(%rdi)
  ret
```

assistant: ```c
void LPCCOMxIntEnable(unsigned long ulBase, unsigned long ulIntFlags) {
  ;

  ;
  (*((volatile unsigned long *)(ulBase + 0x00000120))) |= ulIntFlags;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<LPCCOMxIntEnable>:
  endbr64
  mov    0x120(%rdi),%rax
  or     %rsi,%rax
  mov    %rax,0x120(%rdi)
  ret
```

assistant: ```c
void LPCCOMxIntEnable(unsigned long ulBase, unsigned long ulIntFlags) {
  ;

  ;
  (*((volatile unsigned long *)(ulBase + 0x00000120))) |= ulIntFlags;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<read_fraction>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x70,%rsp
  mov    %rdi,-0x58(%rbp)
  mov    %rsi,-0x60(%rbp)
  mov    %edx,-0x64(%rbp)
  mov    %ecx,-0x68(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x58(%rbp),%rax
  lea    D20(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x48(%rbp)
  cmpq   $0x0,-0x48(%rbp)
  jne    L23
  mov    -0x58(%rbp),%rax
  mov    %rax,%rsi
  lea    D31(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%edi
  call   <exit@plt>
L23:
  movl   $0x0,-0x4c(%rbp)
  jmp    L60
L9:
  lea    -0x40(%rbp),%rdx
  mov    -0x48(%rbp),%rax
  lea    D24(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <fscanf@plt>
  addl   $0x1,-0x4c(%rbp)
L60:
  cmpl   $0xb,-0x4c(%rbp)
  jle    L9
  movl   $0x0,-0x50(%rbp)
  jmp    L28
L56:
  movl   $0x0,-0x4c(%rbp)
  jmp    L69
L63:
  mov    -0x50(%rbp),%eax
  cltq
  imul   $0x7d0,%rax,%rdx
  mov    -0x60(%rbp),%rax
  add    %rax,%rdx
  mov    -0x4c(%rbp),%eax
  cltq
  shl    $0x2,%rax
  add    %rax,%rdx
  mov    -0x48(%rbp),%rax
  lea    D4(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <fscanf@plt>
  addl   $0x1,-0x4c(%rbp)
L69:
  mov    -0x4c(%rbp),%eax
  cmp    -0x68(%rbp),%eax
  jl     L63
  addl   $0x1,-0x50(%rbp)
L28:
  mov    -0x50(%rbp),%eax
  cmp    -0x64(%rbp),%eax
  jl     L56
  mov    -0x48(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L4
  call   <__stack_chk_fail@plt>
L4:
  leave
  ret
```

tool_calls: name: parse_data
arguments: tag: D20
type_guessed: string
name: parse_data
arguments: tag: D31
type_guessed: string
name: parse_data
arguments: tag: D24
type_guessed: string
name: parse_data
arguments: tag: D4
type_guessed: string

tool: D20: r

tool: D31: Cannot open file maskfile %s 


tool: D24: %s

tool: D4: %f

assistant: ```c
void read_fraction(char file[400], float FR1[500][500], int rows, int cols) {
  FILE *fp;
  int i, j;
  char junk[50];
  if ((fp = fopen(file, "r")) == NULL) {
    printf("Cannot open file maskfile %s \n", file);
    exit(0);
  }
  for (j = 0; j < 12; j++)
    fscanf(fp, "%s", junk);
  for (i = 0; i < rows; i++)
    for (j = 0; j < cols; j++)
      fscanf(fp, "%f", &FR1[i][j]);
  fclose(fp);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<read_fraction>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x58,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%r15
  mov    %edx,%r13d
  mov    %ecx,%r14d
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  xor    %eax,%eax
  lea    D20(%rip),%rsi
  call   <fopen@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L71
L52:
  mov    $0xc,%ebx
  lea    D28(%rip),%rbp
L70:
  lea    0x10(%rsp),%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  mov    $0x0,%eax
  call   <fscanf@plt>
  sub    $0x1,%ebx
  jne    L70
  test   %r13d,%r13d
  jle    L37
  lea    -0x1(%r14),%eax
  lea    0x4(%r15,%rax,4),%rbp
  lea    -0x1(%r13),%edx
  imul   $0x1f4,%rdx,%rdx
  add    %rax,%rdx
  lea    0x7d4(%r15,%rdx,4),%r15
  not    %rax
  shl    $0x2,%rax
  mov    %rax,0x8(%rsp)
  lea    D12(%rip),%r13
  jmp    L2
L71:
  mov    %rbx,%rsi
  lea    D26(%rip),%rdi
  call   <printf@plt>
  mov    $0x0,%edi
  call   <exit@plt>
  jmp    L52
L8:
  mov    %rbx,%rdx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    $0x0,%eax
  call   <fscanf@plt>
  add    $0x4,%rbx
  cmp    %rbp,%rbx
  jne    L8
L51:
  add    $0x7d0,%rbp
  cmp    %r15,%rbp
  je     L37
L2:
  mov    0x8(%rsp),%rax
  lea    (%rax,%rbp,1),%rbx
  test   %r14d,%r14d
  jg     L8
  jmp    L51
L37:
  mov    %r12,%rdi
  call   <fclose@plt>
  mov    0x48(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L63
  add    $0x58,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L63:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D20
type: string
name: extract_symbolic_data
arguments: data_tag: D28
type: string
name: extract_symbolic_data
arguments: data_tag: D12
type: string
name: extract_symbolic_data
arguments: data_tag: D26
type: string

tool: D20: r

tool: D28: %s

tool: D12: %f

tool: D26: Cannot open file maskfile %s 


assistant: ```c
void read_fraction(char file[400], float FR1[500][500], int rows, int cols) {
  FILE *fp;
  int i, j;
  char junk[50];
  if ((fp = fopen(file, "r")) == NULL) {
    printf("Cannot open file maskfile %s \n", file);
    exit(0);
  }
  for (j = 0; j < 12; j++)
    fscanf(fp, "%s", junk);
  for (i = 0; i < rows; i++)
    for (j = 0; j < cols; j++)
      fscanf(fp, "%f", &FR1[i][j]);
  fclose(fp);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<read_fraction>:
  endbr64
  push   %r15
  push   %r14
  mov    %rsi,%r14
  lea    D23(%rip),%rsi
  push   %r13
  push   %r12
  mov    %edx,%r12d
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x58,%rsp
  mov    %ecx,0xc(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  xor    %eax,%eax
  call   <fopen@plt>
  mov    %rax,%r13
  test   %rax,%rax
  je     L62
L11:
  mov    $0xc,%ebx
  lea    0x10(%rsp),%r15
  lea    D14(%rip),%rbp
  nopl   0x0(%rax,%rax,1)
L59:
  xor    %eax,%eax
  mov    %r15,%rdx
  mov    %rbp,%rsi
  mov    %r13,%rdi
  call   <fscanf@plt>
  sub    $0x1,%ebx
  jne    L59
  test   %r12d,%r12d
  jle    L52
  mov    0xc(%rsp),%eax
  lea    -0x1(%rax),%ecx
  lea    -0x1(%r12),%eax
  imul   $0x1f4,%rax,%rax
  lea    0x0(,%rcx,4),%rdx
  lea    0x4(%r14,%rdx,1),%rbp
  lea    D12(%rip),%r12
  add    %rcx,%rax
  lea    0x7d4(%r14,%rax,4),%r15
  mov    $0xfffffffffffffffc,%r14
  sub    %rdx,%r14
  cs nopw 0x0(%rax,%rax,1)
L42:
  mov    0xc(%rsp),%eax
  lea    (%r14,%rbp,1),%rbx
  test   %eax,%eax
  jle    L24
  nopl   0x0(%rax)
L73:
  mov    %rbx,%rdx
  mov    %r12,%rsi
  mov    %r13,%rdi
  xor    %eax,%eax
  call   <fscanf@plt>
  add    $0x4,%rbx
  cmp    %rbp,%rbx
  jne    L73
L24:
  add    $0x7d0,%rbp
  cmp    %r15,%rbp
  jne    L42
L52:
  mov    %r13,%rdi
  call   <fclose@plt>
  mov    0x48(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L49
  add    $0x58,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L62:
  mov    %rbp,%rsi
  lea    D11(%rip),%rdi
  call   <printf@plt>
  xor    %edi,%edi
  call   <exit@plt>
  jmp    L11
L49:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: tag: D23
type_infered: string
name: extract_symbolic_data
arguments: tag: D14
type_infered: string
name: extract_symbolic_data
arguments: tag: D12
type_infered: string
name: extract_symbolic_data
arguments: tag: D11
type_infered: string

tool: D23: r

tool: D14: %s

tool: D12: %f

tool: D11: Cannot open file maskfile %s 


assistant: ```c
void read_fraction(char file[400], float FR1[500][500], int rows, int cols) {
  FILE *fp;
  int i, j;
  char junk[50];
  if ((fp = fopen(file, "r")) == NULL) {
    printf("Cannot open file maskfile %s \n", file);
    exit(0);
  }
  for (j = 0; j < 12; j++)
    fscanf(fp, "%s", junk);
  for (i = 0; i < rows; i++)
    for (j = 0; j < cols; j++)
      fscanf(fp, "%f", &FR1[i][j]);
  fclose(fp);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<read_fraction>:
  endbr64
  push   %r15
  push   %r14
  mov    %ecx,%r14d
  push   %r13
  mov    %edx,%r13d
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x58,%rsp
  mov    %rsi,0x8(%rsp)
  lea    D9(%rip),%rsi
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  xor    %eax,%eax
  call   <fopen@plt>
  mov    %rax,%r15
  test   %rax,%rax
  je     L35
L32:
  mov    $0xc,%ebx
  lea    0x10(%rsp),%r12
  lea    D24(%rip),%rbp
  nopl   0x0(%rax)
L20:
  xor    %eax,%eax
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %r15,%rdi
  call   <fscanf@plt>
  sub    $0x1,%ebx
  jne    L20
  test   %r13d,%r13d
  jle    L71
  test   %r14d,%r14d
  jle    L71
  lea    -0x1(%r13),%eax
  lea    -0x1(%r14),%ecx
  mov    0x8(%rsp),%rdi
  mov    $0xfffffffffffffffc,%r13
  imul   $0x1f4,%rax,%rax
  lea    0x0(,%rcx,4),%rdx
  lea    0x4(%rdi,%rdx,1),%rbp
  lea    D35(%rip),%r12
  sub    %rdx,%r13
  add    %rcx,%rax
  lea    0x7d4(%rdi,%rax,4),%r14
  nopl   0x0(%rax)
L62:
  lea    0x0(%r13,%rbp,1),%rbx
  nopl   (%rax)
L38:
  mov    %rbx,%rdx
  mov    %r12,%rsi
  mov    %r15,%rdi
  xor    %eax,%eax
  call   <fscanf@plt>
  add    $0x4,%rbx
  cmp    %rbx,%rbp
  jne    L38
  add    $0x7d0,%rbp
  cmp    %r14,%rbp
  jne    L62
L71:
  mov    %r15,%rdi
  call   <fclose@plt>
  mov    0x48(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L56
  add    $0x58,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L35:
  mov    %rbp,%rsi
  lea    D19(%rip),%rdi
  call   <printf@plt>
  xor    %edi,%edi
  call   <exit@plt>
  jmp    L32
L56:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: label: D9
data_type: string
name: retrieve_data
arguments: label: D24
data_type: string
name: retrieve_data
arguments: label: D35
data_type: string
name: retrieve_data
arguments: label: D19
data_type: string

tool: D9: r

tool: D24: %s

tool: D35: %f

tool: D19: Cannot open file maskfile %s 


assistant: ```c
void read_fraction(char file[400], float FR1[500][500], int rows, int cols) {
  FILE *fp;
  int i, j;
  char junk[50];
  if ((fp = fopen(file, "r")) == NULL) {
    printf("Cannot open file maskfile %s \n", file);
    exit(0);
  }
  for (j = 0; j < 12; j++)
    fscanf(fp, "%s", junk);
  for (i = 0; i < rows; i++)
    for (j = 0; j < cols; j++)
      fscanf(fp, "%f", &FR1[i][j]);
  fclose(fp);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<print_help>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  lea    D35(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D4(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D30(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D7(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%edi
  call   <exit@plt>
  nop
  pop    %rbp
  ret
```

tool_calls: name: parse_data
arguments: label: D35
type_infered: string
name: parse_data
arguments: label: D4
type_infered: string
name: parse_data
arguments: label: D30
type_infered: string
name: parse_data
arguments: label: D7
type_infered: string

tool: D35: Usage: infile < stats column# 


tool: D4:    input is file of numbers


tool: D30:    output is mean, stndev


tool: D7: column# is column want stats of, count from 1


assistant: ```c
void print_help(void) {
  printf("Usage: infile < stats column# \n");
  printf("   input is file of numbers\n");
  printf("   output is mean, stndev\n");
  printf("column# is column want stats of, count from 1\n");
  exit(0);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<print_help>:
  endbr64
  sub    $0x8,%rsp
  lea    D25(%rip),%rdi
  call   <printf@plt>
  lea    D18(%rip),%rdi
  call   <printf@plt>
  lea    D30(%rip),%rdi
  call   <printf@plt>
  lea    D31(%rip),%rdi
  call   <printf@plt>
  mov    $0x0,%edi
  call   <exit@plt>
  add    $0x8,%rsp
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D25
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D18
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D30
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D31
type_infered: string

tool: D25: Usage: infile < stats column# 


tool: D18:    input is file of numbers


tool: D30:    output is mean, stndev


tool: D31: column# is column want stats of, count from 1


assistant: ```c
void print_help(void) {
  printf("Usage: infile < stats column# \n");
  printf("   input is file of numbers\n");
  printf("   output is mean, stndev\n");
  printf("column# is column want stats of, count from 1\n");
  exit(0);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<print_help>:
  endbr64
  sub    $0x8,%rsp
  lea    D21(%rip),%rdi
  call   <printf@plt>
  lea    D17(%rip),%rdi
  call   <printf@plt>
  lea    D9(%rip),%rdi
  call   <printf@plt>
  lea    D35(%rip),%rdi
  call   <printf@plt>
  xor    %edi,%edi
  add    $0x8,%rsp
  jmp    1070 <exit@plt>
```

tool_calls: name: parse_data
arguments: tag: D21
type_infered: string
name: parse_data
arguments: tag: D17
type_infered: string
name: parse_data
arguments: tag: D9
type_infered: string
name: parse_data
arguments: tag: D35
type_infered: string

tool: D21: Usage: infile < stats column# 


tool: D17:    input is file of numbers


tool: D9:    output is mean, stndev


tool: D35: column# is column want stats of, count from 1


assistant: ```c
void print_help(void) {
  printf("Usage: infile < stats column# \n");
  printf("   input is file of numbers\n");
  printf("   output is mean, stndev\n");
  printf("column# is column want stats of, count from 1\n");
  exit(0);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<print_help>:
  endbr64
  sub    $0x8,%rsp
  lea    D23(%rip),%rdi
  call   <printf@plt>
  lea    D18(%rip),%rdi
  call   <printf@plt>
  lea    D15(%rip),%rdi
  call   <printf@plt>
  lea    D33(%rip),%rdi
  call   <printf@plt>
  xor    %edi,%edi
  add    $0x8,%rsp
  jmp    1070 <exit@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D23
datatype: string
name: extract_symbolic_data
arguments: data_tag: D18
datatype: string
name: extract_symbolic_data
arguments: data_tag: D15
datatype: string
name: extract_symbolic_data
arguments: data_tag: D33
datatype: string

tool: D23: Usage: infile < stats column# 


tool: D18:    input is file of numbers


tool: D15:    output is mean, stndev


tool: D33: column# is column want stats of, count from 1


assistant: ```c
void print_help(void) {
  printf("Usage: infile < stats column# \n");
  printf("   input is file of numbers\n");
  printf("   output is mean, stndev\n");
  printf("column# is column want stats of, count from 1\n");
  exit(0);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<wildmat>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2a,%al
  jne    L25
  mov    -0x10(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L25
  mov    $0x1,%eax
  jmp    L11
L25:
  mov    -0x10(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <DoMatch@plt>
  cmp    $0x1,%eax
  sete   %al
  movzbl %al,%eax
L11:
  leave
  ret
```

assistant: ```c
int wildmat(text, p) const char *text;
const char *p;
{
  if (p[0] == '*' && p[1] == '\0')
    return 1;
  return DoMatch(text, p) == 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
<wildmat>:
  endbr64
  cmpb   $0x2a,(%rsi)
  jne    L16
  mov    $0x1,%eax
  cmpb   $0x0,0x1(%rsi)
  je     L10
L16:
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <DoMatch@plt>
  cmp    $0x1,%eax
  sete   %al
  movzbl %al,%eax
  add    $0x8,%rsp
  ret
L10:
  ret
```

assistant: ```c
int wildmat(text, p) const char *text;
const char *p;
{
  if (p[0] == '*' && p[1] == '\0')
    return 1;
  return DoMatch(text, p) == 1;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<wildmat>:
  endbr64
  cmpb   $0x2a,(%rsi)
  jne    L8
  cmpb   $0x0,0x1(%rsi)
  mov    $0x1,%eax
  je     L19
L8:
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <DoMatch@plt>
  cmp    $0x1,%eax
  sete   %al
  add    $0x8,%rsp
  movzbl %al,%eax
  ret
  nopl   (%rax)
L19:
  ret
```

assistant: ```c
int wildmat(text, p) const char *text;
const char *p;
{
  if (p[0] == '*' && p[1] == '\0')
    return 1;
  return DoMatch(text, p) == 1;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<wildmat>:
  endbr64
  cmpb   $0x2a,(%rsi)
  jne    L3
  cmpb   $0x0,0x1(%rsi)
  mov    $0x1,%eax
  je     L1
L3:
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <DoMatch@plt>
  cmp    $0x1,%eax
  sete   %al
  add    $0x8,%rsp
  movzbl %al,%eax
  ret
  nopl   (%rax)
L1:
  ret
```

assistant: ```c
int wildmat(text, p) const char *text;
const char *p;
{
  if (p[0] == '*' && p[1] == '\0')
    return 1;
  return DoMatch(text, p) == 1;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<pixel_convert_8u_gray_to_32f_gray>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %edx,-0x30(%rbp)
  mov    %ecx,-0x34(%rbp)
  mov    %r8,-0x40(%rbp)
  mov    %r9d,-0x38(%rbp)
  movl   $0x0,-0x18(%rbp)
  jmp    L39
L1:
  mov    -0x18(%rbp),%eax
  imul   -0x2c(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x18(%rbp),%eax
  imul   -0x38(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x8(%rbp)
  movl   $0x0,-0x14(%rbp)
  jmp    L21
L11:
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  add    %rax,%rdx
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rcx
  mov    -0x10(%rbp),%rax
  add    %rcx,%rax
  movss  (%rdx),%xmm0
  movss  %xmm0,(%rax)
  addl   $0x1,-0x14(%rbp)
L21:
  mov    -0x14(%rbp),%eax
  cmp    -0x30(%rbp),%eax
  jl     L11
  addl   $0x1,-0x18(%rbp)
L39:
  mov    -0x18(%rbp),%eax
  cmp    -0x34(%rbp),%eax
  jl     L1
  mov    $0x0,%eax
  pop    %rbp
  ret
```

assistant: ```c
int pixel_convert_8u_gray_to_32f_gray(float *dest, int dstride, int dwidth, int dheight, const uint8_t *src, int sstride) {
  int i, j;
  for (i = 0; i < dheight; i++) {
    float *drow = (float *)((uint8_t *)dest + i * dstride);
    const uint8_t *srow = src + i * sstride;
    for (j = 0; j < dwidth; j++) {
      drow[j] = srow[j];
    }
  }
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<pixel_convert_8u_gray_to_32f_gray>:
  endbr64
  test   %ecx,%ecx
  jle    L32
  push   %rbp
  push   %rbx
  mov    %rdi,%r10
  mov    %edx,%r11d
  mov    %ecx,%ebx
  movslq %esi,%rbp
  movslq %r9d,%r9
  shl    $0x2,%r9
  mov    $0x0,%edi
  mov    $0x0,%esi
  mov    %edx,%ecx
L34:
  test   %r11d,%r11d
  jle    L16
  lea    (%r10,%rdi,4),%rdx
  mov    $0x0,%eax
L15:
  movss  (%r8,%rax,4),%xmm0
  movss  %xmm0,(%rdx,%rax,4)
  add    $0x1,%rax
  cmp    %rcx,%rax
  jne    L15
L16:
  add    $0x1,%esi
  add    %rbp,%rdi
  add    %r9,%r8
  cmp    %esi,%ebx
  jne    L34
  mov    $0x0,%eax
  pop    %rbx
  pop    %rbp
  ret
L32:
  mov    $0x0,%eax
  ret
```

assistant: ```c
int pixel_convert_8u_gray_to_32f_gray(float *dest, int dstride, int dwidth, int dheight, const uint8_t *src, int sstride) {
  int i, j;
  for (i = 0; i < dheight; i++) {
    float *drow = (float *)((uint8_t *)dest + i * dstride);
    const uint8_t *srow = src + i * sstride;
    for (j = 0; j < dwidth; j++) {
      drow[j] = srow[j];
    }
  }
  return 0;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<pixel_convert_8u_gray_to_32f_gray>:
  endbr64
  test   %ecx,%ecx
  jle    L12
  movslq %r9d,%r9
  push   %rbp
  mov    %rdi,%r10
  movslq %esi,%rbp
  push   %rbx
  mov    %edx,%r11d
  mov    %ecx,%ebx
  shl    $0x2,%r9
  xor    %edi,%edi
  xor    %esi,%esi
  movslq %edx,%rcx
  nopl   0x0(%rax,%rax,1)
L35:
  test   %r11d,%r11d
  jle    L3
  lea    (%r10,%rdi,4),%rdx
  xor    %eax,%eax
  nopl   0x0(%rax,%rax,1)
L11:
  movss  (%r8,%rax,4),%xmm0
  movss  %xmm0,(%rdx,%rax,4)
  add    $0x1,%rax
  cmp    %rax,%rcx
  jne    L11
L3:
  add    $0x1,%esi
  add    %rbp,%rdi
  add    %r9,%r8
  cmp    %esi,%ebx
  jne    L35
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  ret
L12:
  xor    %eax,%eax
  ret
```

assistant: ```c
int pixel_convert_8u_gray_to_32f_gray(float *dest, int dstride, int dwidth, int dheight, const uint8_t *src, int sstride) {
  int i, j;
  for (i = 0; i < dheight; i++) {
    float *drow = (float *)((uint8_t *)dest + i * dstride);
    const uint8_t *srow = src + i * sstride;
    for (j = 0; j < dwidth; j++) {
      drow[j] = srow[j];
    }
  }
  return 0;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<pixel_convert_8u_gray_to_32f_gray>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %ecx,-0x34(%rsp)
  test   %ecx,%ecx
  jle    L48
  mov    %edx,%r11d
  test   %edx,%edx
  jle    L48
  mov    %rdi,%r10
  mov    %r11d,%edi
  shr    $0x2,%edx
  movslq %r9d,%r13
  and    $0xfffffffc,%edi
  lea    -0x1(%rdx),%ecx
  lea    -0x1(%r11),%edx
  movslq %esi,%rsi
  lea    0x1(%rdi),%r15d
  mov    %edx,-0x20(%rsp)
  add    $0x1,%rcx
  mov    %edi,%r14d
  mov    %r15d,-0x18(%rsp)
  shl    $0x4,%rcx
  xor    %r9d,%r9d
  mov    %r11d,%r12d
  lea    0x0(,%r13,4),%rax
  mov    %rsi,-0x28(%rsp)
  lea    0x2(%rdi),%esi
  mov    %rax,-0x30(%rsp)
  mov    %r8,%rax
  mov    %edi,-0x1c(%rsp)
  xor    %edi,%edi
  mov    %esi,-0x14(%rsp)
  mov    %rsi,-0x10(%rsp)
  xor    %esi,%esi
  nopl   (%rax)
L13:
  lea    (%r10,%rsi,4),%rdx
  lea    0x4(%rax),%rbp
  mov    %rdx,%rbx
  sub    %rbp,%rbx
  cmp    $0x8,%rbx
  mov    $0x0,%ebx
  jbe    L11
  cmpl   $0x2,-0x20(%rsp)
  jbe    L11
L15:
  movups (%rax,%rbx,1),%xmm1
  movups %xmm1,(%rdx,%rbx,1)
  add    $0x10,%rbx
  cmp    %rcx,%rbx
  jne    L15
  cmp    -0x1c(%rsp),%r11d
  je     L23
  lea    (%r14,%rdi,1),%rdx
  movss  (%r8,%rdx,4),%xmm0
  lea    (%r14,%rsi,1),%rdx
  movss  %xmm0,(%r10,%rdx,4)
  cmp    -0x18(%rsp),%r11d
  jle    L23
  lea    (%r15,%rdi,1),%rdx
  movss  (%r8,%rdx,4),%xmm0
  lea    (%r15,%rsi,1),%rdx
  movss  %xmm0,(%r10,%rdx,4)
  cmp    -0x14(%rsp),%r11d
  jle    L23
  mov    -0x10(%rsp),%rbx
  lea    (%rbx,%rdi,1),%rdx
  movss  (%r8,%rdx,4),%xmm0
  lea    (%rbx,%rsi,1),%rdx
  movss  %xmm0,(%r10,%rdx,4)
L23:
  add    $0x1,%r9d
  add    -0x30(%rsp),%rax
  add    %r13,%rdi
  add    -0x28(%rsp),%rsi
  cmp    %r9d,-0x34(%rsp)
  jne    L13
L48:
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L11:
  movss  (%rax,%rbx,4),%xmm0
  movss  %xmm0,(%rdx,%rbx,4)
  add    $0x1,%rbx
  cmp    %r12,%rbx
  jne    L11
  jmp    L23
```

assistant: ```c
int pixel_convert_8u_gray_to_32f_gray(float *dest, int dstride, int dwidth, int dheight, const uint8_t *src, int sstride) {
  int i, j;
  for (i = 0; i < dheight; i++) {
    float *drow = (float *)((uint8_t *)dest + i * dstride);
    const uint8_t *srow = src + i * sstride;
    for (j = 0; j < dwidth; j++) {
      drow[j] = srow[j];
    }
  }
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<chop_string>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,%rax
  movq   $0x0,-0x18(%rbp)
  mov    %rax,-0x8(%rbp)
  jmp    L33
L17:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isspace@plt>
  test   %eax,%eax
  jne    L24
  cmpq   $0x0,-0x18(%rbp)
  jne    L10
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x18(%rbp)
L10:
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x10(%rbp)
L24:
  addq   $0x1,-0x8(%rbp)
L33:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L17
  cmpq   $0x0,-0x18(%rbp)
  je     L53
  mov    -0x10(%rbp),%rax
  add    $0x1,%rax
  movb   $0x0,(%rax)
  mov    -0x18(%rbp),%rax
  jmp    L20
L53:
  mov    -0x8(%rbp),%rax
L20:
  leave
  ret
```

assistant: ```c
char *chop_string(string)
register char *string;
{
  char *start = 0;
  char *end;
  char *cp;
  for (cp = string; *cp; cp++) {
    if (!isspace(*cp)) {
      if (start == 0)
        start = cp;
      end = cp;
    }
  }
  return (start ? (end[1] = 0, start) : cp);
}
```