	.section	__TEXT,__text,regular,pure_instructions
	.build_version macos, 13, 0	sdk_version 13, 3
	.globl	_fillblock                      ## -- Begin function fillblock
	.p2align	4, 0x90
_fillblock:                             ## @fillblock
	.cfi_startproc
## %bb.0:
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset %rbp, -16
	movq	%rsp, %rbp
	.cfi_def_cfa_register %rbp
	pushq	%r15
	pushq	%r14
	pushq	%r13
	pushq	%r12
	pushq	%rbx
	pushq	%rax
	.cfi_offset %rbx, -56
	.cfi_offset %r12, -48
	.cfi_offset %r13, -40
	.cfi_offset %r14, -32
	.cfi_offset %r15, -24
	movq	%r8, %r14
	movq	%rcx, %r12
	movq	%rdx, %rbx
	movq	%rsi, %r15
	movq	%rdi, %r13
	xorl	%edi, %edi
	cmpq	%rdx, (%rsi)
	setbe	%dil
	callq	_assert
	testq	%rbx, %rbx
	je	LBB0_1
## %bb.2:
	leaq	-1(%rbx), %rax
	xorl	%edi, %edi
	testq	%rax, %rbx
	sete	%dil
	jmp	LBB0_3
LBB0_1:
	xorl	%edi, %edi
LBB0_3:
	callq	_assert
	movq	(%r15), %rax
	cmpq	%rbx, %rax
	je	LBB0_7
## %bb.4:
	movq	(%r14), %rcx
	testq	%rax, %rax
	jne	LBB0_6
## %bb.5:
	cmpq	%rbx, %rcx
	jae	LBB0_7
LBB0_6:
	movq	%r12, %rdx
	movq	%r12, -48(%rbp)                 ## 8-byte Spill
	movq	%rbx, %r12
	subq	%rax, %r12
	cmpq	%r12, %rcx
	cmovbq	%rcx, %r12
	addq	%rax, %r13
	movq	(%rdx), %rsi
	movq	%r13, %rdi
	movq	%r12, %rdx
	callq	_memcpy
	movq	-48(%rbp), %rax                 ## 8-byte Reload
	addq	%r12, (%rax)
	subq	%r12, (%r14)
	addq	%r12, (%r15)
LBB0_7:
	negq	%rbx
	andq	(%r14), %rbx
	movq	%rbx, %rax
	addq	$8, %rsp
	popq	%rbx
	popq	%r12
	popq	%r13
	popq	%r14
	popq	%r15
	popq	%rbp
	retq
	.cfi_endproc
                                        ## -- End function
.subsections_via_symbols

	.section	__TEXT,__text,regular,pure_instructions
	.build_version macos, 13, 0	sdk_version 13, 3
	.globl	_fillblock                      ; -- Begin function fillblock
	.p2align	2
_fillblock:                             ; @fillblock
	.cfi_startproc
; %bb.0:
	stp	x24, x23, [sp, #-64]!           ; 16-byte Folded Spill
	.cfi_def_cfa_offset 64
	stp	x22, x21, [sp, #16]             ; 16-byte Folded Spill
	stp	x20, x19, [sp, #32]             ; 16-byte Folded Spill
	stp	x29, x30, [sp, #48]             ; 16-byte Folded Spill
	add	x29, sp, #48
	.cfi_def_cfa w29, 16
	.cfi_offset w30, -8
	.cfi_offset w29, -16
	.cfi_offset w19, -24
	.cfi_offset w20, -32
	.cfi_offset w21, -40
	.cfi_offset w22, -48
	.cfi_offset w23, -56
	.cfi_offset w24, -64
	mov	x19, x4
	mov	x22, x3
	mov	x20, x2
	mov	x21, x1
	mov	x23, x0
	ldr	x8, [x1]
	cmp	x8, x2
	cset	w0, ls
	bl	_assert
	sub	x8, x20, #1
	tst	x20, x8
	cset	w8, eq
	cmp	x20, #0
	csel	w0, wzr, w8, eq
	bl	_assert
	ldr	x8, [x21]
	cmp	x8, x20
	b.eq	LBB0_4
; %bb.1:
	ldr	x9, [x19]
	cbnz	x8, LBB0_3
; %bb.2:
	cmp	x9, x20
	b.hs	LBB0_4
LBB0_3:
	sub	x10, x20, x8
	cmp	x9, x10
	csel	x24, x9, x10, lo
	add	x0, x23, x8
	ldr	x1, [x22]
	mov	x2, x24
	bl	_memcpy
	ldr	x8, [x22]
	add	x8, x8, x24
	str	x8, [x22]
	ldr	x8, [x19]
	sub	x8, x8, x24
	str	x8, [x19]
	ldr	x8, [x21]
	add	x8, x8, x24
	str	x8, [x21]
LBB0_4:
	ldr	x8, [x19]
	neg	x9, x20
	and	x0, x8, x9
	ldp	x29, x30, [sp, #48]             ; 16-byte Folded Reload
	ldp	x20, x19, [sp, #32]             ; 16-byte Folded Reload
	ldp	x22, x21, [sp, #16]             ; 16-byte Folded Reload
	ldp	x24, x23, [sp], #64             ; 16-byte Folded Reload
	ret
	.cfi_endproc
                                        ; -- End function
.subsections_via_symbols
