Given the following C code and assembly code, your task is to generate highly optimized x86-64 assembly code.
C Code:

```c
#include<stdio.h>
int main(){
  for(int c=getchar();c!=EOF;c=getchar()){
    putchar(c=='?'?'D':c);
  }
}```

Assembly Code:

```assembly
	.file	"temp.c"
	.text
	.section	.text.startup,"ax",@progbits
	.p2align 4
	.globl	main
	.type	main, @function
main:
.LFB23:
	.cfi_startproc
	endbr64
	subq	$8, %rsp
	.cfi_def_cfa_offset 16
	movq	stdin(%rip), %rdi
	call	getc@PLT
	movl	%eax, %edi
	cmpl	$-1, %eax
	je	.L2
	.p2align 4,,10
	.p2align 3
.L5:
	movq	stdout(%rip), %rsi
	cmpl	$63, %edi
	jne	.L13
	movl	$68, %edi
.L13:
	call	putc@PLT
	movq	stdin(%rip), %rdi
	call	getc@PLT
	movl	%eax, %edi
	cmpl	$-1, %eax
	jne	.L5
.L2:
	xorl	%eax, %eax
	addq	$8, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE23:
	.size	main, .-main
	.ident	"GCC: (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0"
	.section	.note.GNU-stack,"",@progbits
	.section	.note.gnu.property,"a"
	.align 8
	.long	1f - 0f
	.long	4f - 1f
	.long	5
0:
	.string	"GNU"
1:
	.align 8
	.long	0xc0000002
	.long	3f - 2f
2:
	.long	0x3
3:
	.align 8
4:
```

Only output the optimized assembly code. Do not include any other text. Do not write any comments in the assembly code. Wrap the assembly code in ```assembly``` tags.
Optimized Assembly Code:

user
```assembly
	.file	"temp.c"
	.text
	.section	.text.startup,"ax",@progbits
	.p2align 4
	.globl	main
	.type	main, @function
main:
.LFB23:
	.cfi_startproc
	endbr64
	subq	$8, %rsp
	.cfi_def_cfa_offset 16
	movq	stdin(%rip), %rdi
	call	getc@PLT
	movl	%eax, %edi
	cmpl	$-1, %eax
	je	.L2
	.p2align 4,,10
	.p2align 3
.L5:
	movq	stdout(%rip), %rsi
	cmpl	$63, %edi
	jne	.L13
	movl	$68, %edi
.L13:
	call	putc@PLT
	movq	stdin(%rip), %rdi
	call	getc@PLT
	movl	%eax, %edi
	cmpl	$-1, %eax
	jne	.L5
.L2:
	xorl	%eax, %eax
	addq	$8, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE23:
	.size	main, .-main
	.ident	"GCC: (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0"
	.section	.note.GNU-stack,"",@progbits
	.section	.note.gnu.property,"a"
	.align 8
	.long	1f - 0f
	.long	4f - 1f
	.long	5
0:
	.string	"GNU"
1:
	.align 8
	.long	0xc0000002
	.long	3f - 2f
2:
	.long	0x3
3:
	.align 8
4:
```
rule
```assembly
	.file	"temp.c"
	.text
	.section	.text.startup,"ax",@progbits
	.p2align 4
	.globl	main
	.type	main, @function
main:
.LFB23:
	.cfi_startproc
	endbr64
	subq	$8, %rsp
	.cfi_def_cfa_offset 16
	movq	stdin(%rip), %rdi
	call	getc@PLT
	movl	%eax, %edi
	cmpl	$-1, %eax
	je	.L2
	.p2align 4,,10
	.p2align 3
.L5:
	movq	stdout(%rip), %rsi
	cmpl	$63, %edi
	jne	.L13
	movl	$68, %edi
.L13:
	call	putc@PLT
	movq	stdin(%rip), %rdi
	call	getc@PLT
	movl	%eax, %edi
	cmpl	$-1, %eax
	jne	.L5
.L2:
	xorl	%eax, %eax
	addq	$8, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE23:
	.size	main, .-main
	.ident	"GCC: (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0"
	.section	.note.GNU-stack,"",@progbits
	.section	.note.gnu.property,"a"
	.align 8
	.long	1f - 0f
	.long	4f - 1f
	.long	5
0:
	.string	"GNU"
1:
	.align 8
	.long	0xc0000002
	.long	3f - 2f
2:
	.long	0x3
3:
	.align 8
4:
```
```c
#include<stdio.h>
int main(){
  for(int c=getchar();c!=EOF;c=getchar()){
    putchar(c=='?'?'D':c);
  }
}```
Given the following C code, your task is to generate highly optimized x86-64 assembly code.
C Code:

```c
#include<stdio.h>
int main(){
  for(int c=getchar();c!=EOF;c=getchar()){
    putchar(c=='?'?'D':c);
  }
}```

Only output the optimized assembly code. Do not include any other text. Do not write any comments in the assembly code. Wrap the assembly code in ```assembly``` tags.
Optimized Assembly Code:

PDPD???
 ?P?P
 DDPP???
 ??PP
 DDPO???
 ??OP
 DDPO?>?
 ??OO
 ?>?OPDD
 @?OP

PDPDDDD
 DPDP
 DDPPDDD
 DDPP
 DDPODDD
 DDOP
 DDPOD>D
 DDOO
 D>DOPDD
 @DOP

Given the following C code and assembly code, your task is to generate highly optimized x86-64 assembly code.
C Code:

```c
#include<stdio.h>
int main(){
  for(int c=getchar();c!=EOF;c=getchar()){
    putchar(c=='?'?'D':c);
  }
}```

Assembly Code:

```assembly
	.file	"temp.c"
	.text
	.section	.text.startup,"ax",@progbits
	.p2align 4
	.globl	main
	.type	main, @function
main:
.LFB23:
	.cfi_startproc
	endbr64
	subq	$8, %rsp
	.cfi_def_cfa_offset 16
	movq	stdin(%rip), %rdi
	call	getc@PLT
	movl	%eax, %edi
	cmpl	$-1, %eax
	je	.L2
	.p2align 4,,10
	.p2align 3
.L5:
	movq	stdout(%rip), %rsi
	cmpl	$63, %edi
	jne	.L13
	movl	$68, %edi
.L13:
	call	putc@PLT
	movq	stdin(%rip), %rdi
	call	getc@PLT
	movl	%eax, %edi
	cmpl	$-1, %eax
	jne	.L5
.L2:
	xorl	%eax, %eax
	addq	$8, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE23:
	.size	main, .-main
	.ident	"GCC: (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0"
	.section	.note.GNU-stack,"",@progbits
	.section	.note.gnu.property,"a"
	.align 8
	.long	1f - 0f
	.long	4f - 1f
	.long	5
0:
	.string	"GNU"
1:
	.align 8
	.long	0xc0000002
	.long	3f - 2f
2:
	.long	0x3
3:
	.align 8
4:
```

Only output the optimized assembly code. Do not include any other text. Do not write any comments in the assembly code. Wrap the assembly code in ```assembly``` tags.
Optimized Assembly Code:

train
```assembly
	.file	"temp.c"
	.text
	.section	.text.startup,"ax",@progbits
	.p2align 4
	.globl	main
	.type	main, @function
main:
.LFB23:
	.cfi_startproc
	endbr64
	subq	$8, %rsp
	.cfi_def_cfa_offset 16
	movq	stdin(%rip), %rdi
	call	getc@PLT
	movl	%eax, %edi
	cmpl	$-1, %eax
	je	.L2
	.p2align 4,,10
	.p2align 3
.L5:
	movq	stdout(%rip), %rsi
	cmpl	$63, %edi
	jne	.L13
	movl	$68, %edi
.L13:
	call	putc@PLT
	movq	stdin(%rip), %rdi
	call	getc@PLT
	movl	%eax, %edi
	cmpl	$-1, %eax
	jne	.L5
.L2:
	xorl	%eax, %eax
	addq	$8, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE23:
	.size	main, .-main
	.ident	"GCC: (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0"
	.section	.note.GNU-stack,"",@progbits
	.section	.note.gnu.property,"a"
	.align 8
	.long	1f - 0f
	.long	4f - 1f
	.long	5
0:
	.string	"GNU"
1:
	.align 8
	.long	0xc0000002
	.long	3f - 2f
2:
	.long	0x3
3:
	.align 8
4:
```