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; $Id$
;; @file
; IPRT - No-CRT lrint - AMD64 & X86.
;
;
; Copyright (C) 2006-2022 Oracle Corporation
;
; This file is part of VirtualBox Open Source Edition (OSE), as
; available from http://www.virtualbox.org. This file is free software;
; you can redistribute it and/or modify it under the terms of the GNU
; General Public License (GPL) as published by the Free Software
; Foundation, in version 2 as it comes in the "COPYING" file of the
; VirtualBox OSE distribution. VirtualBox OSE is distributed in the
; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
;
; The contents of this file may alternatively be used under the terms
; of the Common Development and Distribution License Version 1.0
; (CDDL) only, as it comes in the "COPYING.CDDL" file of the
; VirtualBox OSE distribution, in which case the provisions of the
; CDDL are applicable instead of those of the GPL.
;
; You may elect to license modified versions of this file under the
; terms and conditions of either the GPL or the CDDL or both.
;
%define RT_ASM_WITH_SEH64
%include "iprt/asmdefs.mac"
BEGINCODE
;;
; Round rd to the nearest integer value, rounding according to the current rounding direction.
; @returns 32-bit: eax 64-bit: rax (non-windows) or eax (windows)
; @param rd 32-bit: [esp + 4h] 64-bit: xmm0
RT_NOCRT_BEGINPROC lrint
push xBP
SEH64_PUSH_xBP
mov xBP, xSP
SEH64_SET_FRAME_xBP 0
%ifdef RT_ARCH_X86
sub xSP, 10h
SEH64_ALLOCATE_STACK 10h
%endif
SEH64_END_PROLOGUE
%ifdef RT_ARCH_AMD64
%ifdef RT_OS_WINDOWS
cvtsd2si eax, xmm0
%else
cvtsd2si rax, xmm0
%endif
%else
fld qword [ebp + 8h]
fistp dword [esp]
fwait
mov eax, [esp]
%endif
leave
ret
ENDPROC RT_NOCRT(lrint)
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