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

```c
long N;main(){scanf("%ld",&N);N=!printf("%d\n",N?64-__builtin_clzll(N):0);}```

Unoptimized Assembly Code:

```assembly
	.file	"temp.c"
	.text
	.globl	N
	.bss
	.align 8
	.type	N, @object
	.size	N, 8
N:
	.zero	8
	.section	.rodata
.LC0:
	.string	"%ld"
.LC1:
	.string	"%d\n"
	.text
	.globl	main
	.type	main, @function
main:
.LFB0:
	.cfi_startproc
	endbr64
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset 6, -16
	movq	%rsp, %rbp
	.cfi_def_cfa_register 6
	leaq	N(%rip), %rax
	movq	%rax, %rsi
	leaq	.LC0(%rip), %rax
	movq	%rax, %rdi
	movl	$0, %eax
	call	scanf@PLT
	movq	N(%rip), %rax
	testq	%rax, %rax
	je	.L2
	movq	N(%rip), %rax
	bsrq	%rax, %rax
	xorq	$63, %rax
	movl	%eax, %edx
	movl	$64, %eax
	subl	%edx, %eax
	jmp	.L3
.L2:
	movl	$0, %eax
.L3:
	movl	%eax, %esi
	leaq	.LC1(%rip), %rax
	movq	%rax, %rdi
	movl	$0, %eax
	call	printf@PLT
	testl	%eax, %eax
	sete	%al
	movzbl	%al, %eax
	movq	%rax, N(%rip)
	movl	$0, %eax
	popq	%rbp
	.cfi_def_cfa 7, 8
	ret
	.cfi_endproc
.LFE0:
	.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.
user
	.file	"temp.c"
	.text
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC0:
	.string	"%ld"
.LC1:
	.string	"%d\n"
	.section	.text.startup,"ax",@progbits
	.p2align 4
	.globl	main
	.type	main, @function
main:
.LFB0:
	.cfi_startproc
	endbr64
	leaq	N(%rip), %rsi
	subq	$8, %rsp
	.cfi_def_cfa_offset 16
	leaq	.LC0(%rip), %rdi
	xorl	%eax, %eax
	call	scanf@PLT
	movq	N(%rip), %rax
	xorl	%esi, %esi
	testq	%rax, %rax
	je	.L2
	bsrq	%rax, %rax
	movl	$64, %esi
	xorq	$63, %rax
	subl	%eax, %esi
.L2:
	xorl	%eax, %eax
	leaq	.LC1(%rip), %rdi
	call	printf@PLT
	testl	%eax, %eax
	sete	%al
	movzbl	%al, %eax
	movq	%rax, N(%rip)
	xorl	%eax, %eax
	addq	$8, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE0:
	.size	main, .-main
	.globl	N
	.bss
	.align 8
	.type	N, @object
	.size	N, 8
N:
	.zero	8
	.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
	.file	"temp.c"
	.text
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC0:
	.string	"%ld"
.LC1:
	.string	"%d\n"
	.section	.text.startup,"ax",@progbits
	.p2align 4
	.globl	main
	.type	main, @function
main:
.LFB0:
	.cfi_startproc
	endbr64
	leaq	N(%rip), %rsi
	subq	$8, %rsp
	.cfi_def_cfa_offset 16
	leaq	.LC0(%rip), %rdi
	xorl	%eax, %eax
	call	scanf@PLT
	movq	N(%rip), %rax
	xorl	%esi, %esi
	testq	%rax, %rax
	je	.L2
	bsrq	%rax, %rax
	movl	$64, %esi
	xorq	$63, %rax
	subl	%eax, %esi
.L2:
	xorl	%eax, %eax
	leaq	.LC1(%rip), %rdi
	call	printf@PLT
	testl	%eax, %eax
	sete	%al
	movzbl	%al, %eax
	movq	%rax, N(%rip)
	xorl	%eax, %eax
	addq	$8, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE0:
	.size	main, .-main
	.globl	N
	.bss
	.align 8
	.type	N, @object
	.size	N, 8
N:
	.zero	8
	.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:

long N;main(){scanf("%ld",&N);N=!printf("%d\n",N?64-__builtin_clzll(N):0);}
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Given the following C code and unoptimized assembly code, your task is to generate highly optimized x86-64 assembly code.
C Code:

```c
long N;main(){scanf("%ld",&N);N=!printf("%d\n",N?64-__builtin_clzll(N):0);}```

Unoptimized Assembly Code:

```assembly
	.file	"temp.c"
	.text
	.globl	N
	.bss
	.align 8
	.type	N, @object
	.size	N, 8
N:
	.zero	8
	.section	.rodata
.LC0:
	.string	"%ld"
.LC1:
	.string	"%d\n"
	.text
	.globl	main
	.type	main, @function
main:
.LFB0:
	.cfi_startproc
	endbr64
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset 6, -16
	movq	%rsp, %rbp
	.cfi_def_cfa_register 6
	leaq	N(%rip), %rax
	movq	%rax, %rsi
	leaq	.LC0(%rip), %rax
	movq	%rax, %rdi
	movl	$0, %eax
	call	scanf@PLT
	movq	N(%rip), %rax
	testq	%rax, %rax
	je	.L2
	movq	N(%rip), %rax
	bsrq	%rax, %rax
	xorq	$63, %rax
	movl	%eax, %edx
	movl	$64, %eax
	subl	%edx, %eax
	jmp	.L3
.L2:
	movl	$0, %eax
.L3:
	movl	%eax, %esi
	leaq	.LC1(%rip), %rax
	movq	%rax, %rdi
	movl	$0, %eax
	call	printf@PLT
	testl	%eax, %eax
	sete	%al
	movzbl	%al, %eax
	movq	%rax, N(%rip)
	movl	$0, %eax
	popq	%rbp
	.cfi_def_cfa 7, 8
	ret
	.cfi_endproc
.LFE0:
	.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.
train
	.file	"temp.c"
	.text
	.globl	N
	.bss
	.align 8
	.type	N, @object
	.size	N, 8
N:
	.zero	8
	.section	.rodata
.LC0:
	.string	"%ld"
.LC1:
	.string	"%d\n"
	.text
	.globl	main
	.type	main, @function
main:
.LFB0:
	.cfi_startproc
	endbr64
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset 6, -16
	movq	%rsp, %rbp
	.cfi_def_cfa_register 6
	leaq	N(%rip), %rax
	movq	%rax, %rsi
	leaq	.LC0(%rip), %rax
	movq	%rax, %rdi
	movl	$0, %eax
	call	scanf@PLT
	movq	N(%rip), %rax
	testq	%rax, %rax
	je	.L2
	movq	N(%rip), %rax
	bsrq	%rax, %rax
	xorq	$63, %rax
	movl	%eax, %edx
	movl	$64, %eax
	subl	%edx, %eax
	jmp	.L3
.L2:
	movl	$0, %eax
.L3:
	movl	%eax, %esi
	leaq	.LC1(%rip), %rax
	movq	%rax, %rdi
	movl	$0, %eax
	call	printf@PLT
	testl	%eax, %eax
	sete	%al
	movzbl	%al, %eax
	movq	%rax, N(%rip)
	movl	$0, %eax
	popq	%rbp
	.cfi_def_cfa 7, 8
	ret
	.cfi_endproc
.LFE0:
	.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:
