	.section	__TEXT,__text,regular,pure_instructions
	.build_version macos, 13, 0	sdk_version 13, 3
	.globl	_SpGistUpdateMetaPage           ## -- Begin function SpGistUpdateMetaPage
	.p2align	4, 0x90
_SpGistUpdateMetaPage:                  ## @SpGistUpdateMetaPage
	.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	%rbx
	pushq	%rax
	.cfi_offset %rbx, -40
	.cfi_offset %r14, -32
	.cfi_offset %r15, -24
	movq	(%rdi), %r15
	testq	%r15, %r15
	je	LBB0_3
## %bb.1:
	movq	_SPGIST_METAPAGE_BLKNO@GOTPCREL(%rip), %rax
	movl	(%rax), %esi
	callq	_ReadBuffer
	movl	%eax, %ebx
	movl	%eax, %edi
	callq	_ConditionalLockBuffer
	testq	%rax, %rax
	je	LBB0_2
## %bb.4:
	movl	%ebx, %edi
	callq	_BufferGetPage
	movq	%rax, %r14
	movq	%rax, %rdi
	callq	_SpGistPageGetMeta
	movl	(%r15), %ecx
	movl	%ecx, (%rax)
	subl	%r14d, %eax
	addl	$4, %eax
	movl	%eax, (%r14)
	movl	%ebx, %edi
	callq	_MarkBufferDirty
	movl	%ebx, %edi
	addq	$8, %rsp
	popq	%rbx
	popq	%r14
	popq	%r15
	popq	%rbp
	jmp	_UnlockReleaseBuffer            ## TAILCALL
LBB0_3:
	addq	$8, %rsp
	popq	%rbx
	popq	%r14
	popq	%r15
	popq	%rbp
	retq
LBB0_2:
	movl	%ebx, %edi
	addq	$8, %rsp
	popq	%rbx
	popq	%r14
	popq	%r15
	popq	%rbp
	jmp	_ReleaseBuffer                  ## TAILCALL
	.cfi_endproc
                                        ## -- End function
	.comm	_SPGIST_METAPAGE_BLKNO,4,2      ## @SPGIST_METAPAGE_BLKNO
.subsections_via_symbols

	.section	__TEXT,__text,regular,pure_instructions
	.build_version macos, 13, 0	sdk_version 13, 3
	.globl	_SpGistUpdateMetaPage           ; -- Begin function SpGistUpdateMetaPage
	.p2align	2
_SpGistUpdateMetaPage:                  ; @SpGistUpdateMetaPage
	.cfi_startproc
; %bb.0:
	stp	x22, x21, [sp, #-48]!           ; 16-byte Folded Spill
	.cfi_def_cfa_offset 48
	stp	x20, x19, [sp, #16]             ; 16-byte Folded Spill
	stp	x29, x30, [sp, #32]             ; 16-byte Folded Spill
	add	x29, sp, #32
	.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
	ldr	x21, [x0]
	cbz	x21, LBB0_3
; %bb.1:
Lloh0:
	adrp	x8, _SPGIST_METAPAGE_BLKNO@GOTPAGE
Lloh1:
	ldr	x8, [x8, _SPGIST_METAPAGE_BLKNO@GOTPAGEOFF]
Lloh2:
	ldr	w1, [x8]
	bl	_ReadBuffer
	mov	x19, x0
	bl	_ConditionalLockBuffer
	cbz	x0, LBB0_4
; %bb.2:
	mov	x0, x19
	bl	_BufferGetPage
	mov	x20, x0
	bl	_SpGistPageGetMeta
	ldr	w8, [x21]
	str	w8, [x0]
	sub	w8, w0, w20
	add	w8, w8, #4
	str	w8, [x20]
	mov	x0, x19
	bl	_MarkBufferDirty
	mov	x0, x19
	ldp	x29, x30, [sp, #32]             ; 16-byte Folded Reload
	ldp	x20, x19, [sp, #16]             ; 16-byte Folded Reload
	ldp	x22, x21, [sp], #48             ; 16-byte Folded Reload
	b	_UnlockReleaseBuffer
LBB0_3:
	ldp	x29, x30, [sp, #32]             ; 16-byte Folded Reload
	ldp	x20, x19, [sp, #16]             ; 16-byte Folded Reload
	ldp	x22, x21, [sp], #48             ; 16-byte Folded Reload
	ret
LBB0_4:
	mov	x0, x19
	ldp	x29, x30, [sp, #32]             ; 16-byte Folded Reload
	ldp	x20, x19, [sp, #16]             ; 16-byte Folded Reload
	ldp	x22, x21, [sp], #48             ; 16-byte Folded Reload
	b	_ReleaseBuffer
	.loh AdrpLdrGotLdr	Lloh0, Lloh1, Lloh2
	.cfi_endproc
                                        ; -- End function
	.comm	_SPGIST_METAPAGE_BLKNO,4,2      ; @SPGIST_METAPAGE_BLKNO
.subsections_via_symbols
