	.section	__TEXT,__text,regular,pure_instructions
	.build_version macos, 13, 0	sdk_version 13, 3
	.globl	_ReadExtraChunk                 ## -- Begin function ReadExtraChunk
	.p2align	4, 0x90
_ReadExtraChunk:                        ## @ReadExtraChunk
	.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	%rcx, %r15
	movq	%rdx, %r14
	movq	%rsi, %r13
	movq	%rdi, %r12
	xorl	%edi, %edi
	testq	%r12, %r12
	setne	%dil
	callq	_assert
	xorl	%edi, %edi
	testq	%r15, %r15
	setne	%dil
	callq	_assert
	movq	8(%r12), %rbx
	xorl	%eax, %eax
	movq	_AVIERR_NODATA@GOTPCREL(%rip), %rcx
	testq	%rbx, %rbx
	je	LBB0_9
## %bb.1:
	movq	(%r12), %rdx
	testq	%rdx, %rdx
	jle	LBB0_9
## %bb.2:
	xorl	%eax, %eax
	.p2align	4, 0x90
LBB0_3:                                 ## =>This Inner Loop Header: Depth=1
	cmpq	%r13, (%rbx)
	je	LBB0_4
## %bb.8:                               ##   in Loop: Header=BB0_3 Depth=1
	movq	8(%rbx), %rsi
	leaq	16(%rsi), %rdi
	subq	%rdi, %rdx
	leaq	(%rbx,%rsi,4), %rbx
	addq	$64, %rbx
	testq	%rdx, %rdx
	jg	LBB0_3
	jmp	LBB0_9
LBB0_4:
	testq	%r14, %r14
	je	LBB0_7
## %bb.5:
	movq	(%r15), %rsi
	testq	%rsi, %rsi
	jle	LBB0_7
## %bb.6:
	leaq	64(%rbx), %r12
	movq	8(%rbx), %rdi
	callq	_min
	movq	%r14, %rdi
	movq	%r12, %rsi
	movl	%eax, %edx
	callq	_memcpy
LBB0_7:
	movq	8(%rbx), %rax
	movq	_AVIERR_OK@GOTPCREL(%rip), %rcx
LBB0_9:
	movq	%rax, (%r15)
	movl	(%rcx), %eax
	addq	$8, %rsp
	popq	%rbx
	popq	%r12
	popq	%r13
	popq	%r14
	popq	%r15
	popq	%rbp
	retq
	.cfi_endproc
                                        ## -- End function
	.comm	_AVIERR_OK,4,2                  ## @AVIERR_OK
	.comm	_AVIERR_NODATA,4,2              ## @AVIERR_NODATA
.subsections_via_symbols

	.section	__TEXT,__text,regular,pure_instructions
	.build_version macos, 13, 0	sdk_version 13, 3
	.globl	_ReadExtraChunk                 ; -- Begin function ReadExtraChunk
	.p2align	2
_ReadExtraChunk:                        ; @ReadExtraChunk
	.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, x3
	mov	x20, x2
	mov	x21, x1
	mov	x22, x0
	cmp	x0, #0
	cset	w0, ne
	bl	_assert
	cmp	x19, #0
	cset	w0, ne
	bl	_assert
	ldp	x9, x23, [x22]
	cmp	x23, #0
	ccmp	x9, #1, #8, ne
	b.ge	LBB0_2
; %bb.1:
	mov	x9, #0
Lloh0:
	adrp	x8, _AVIERR_NODATA@GOTPAGE
Lloh1:
	ldr	x8, [x8, _AVIERR_NODATA@GOTPAGEOFF]
	b	LBB0_10
LBB0_2:
Lloh2:
	adrp	x8, _AVIERR_NODATA@GOTPAGE
Lloh3:
	ldr	x8, [x8, _AVIERR_NODATA@GOTPAGEOFF]
LBB0_3:                                 ; =>This Inner Loop Header: Depth=1
	ldr	x10, [x23]
	cmp	x10, x21
	b.eq	LBB0_6
; %bb.4:                                ;   in Loop: Header=BB0_3 Depth=1
	ldr	x10, [x23, #8]
	add	x10, x10, #16
	sub	x9, x9, x10
	add	x23, x23, x10, lsl #2
	cmp	x9, #0
	b.gt	LBB0_3
; %bb.5:
	mov	x9, #0
	b	LBB0_10
LBB0_6:
	cbz	x20, LBB0_9
; %bb.7:
	ldr	x1, [x19]
	cmp	x1, #1
	b.lt	LBB0_9
; %bb.8:
	add	x21, x23, #64
	ldr	x0, [x23, #8]
	bl	_min
	mov	x2, x0
	mov	x0, x20
	mov	x1, x21
	bl	_memcpy
LBB0_9:
	ldr	x9, [x23, #8]
Lloh4:
	adrp	x8, _AVIERR_OK@GOTPAGE
Lloh5:
	ldr	x8, [x8, _AVIERR_OK@GOTPAGEOFF]
LBB0_10:
	str	x9, [x19]
	ldr	w0, [x8]
	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
	.loh AdrpLdrGot	Lloh0, Lloh1
	.loh AdrpLdrGot	Lloh2, Lloh3
	.loh AdrpLdrGot	Lloh4, Lloh5
	.cfi_endproc
                                        ; -- End function
	.comm	_AVIERR_OK,4,2                  ; @AVIERR_OK
	.comm	_AVIERR_NODATA,4,2              ; @AVIERR_NODATA
.subsections_via_symbols
