diff options
Diffstat (limited to 'src/VBox/Runtime/common/math/lrintl.asm')
-rw-r--r-- | src/VBox/Runtime/common/math/lrintl.asm | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/math/lrintl.asm b/src/VBox/Runtime/common/math/lrintl.asm new file mode 100644 index 00000000..fe5a1b23 --- /dev/null +++ b/src/VBox/Runtime/common/math/lrintl.asm @@ -0,0 +1,54 @@ +; $Id: lrintl.asm $ +;; @file +; IPRT - No-CRT lrintl - AMD64 & X86. +; + +; +; Copyright (C) 2006-2019 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. +; + +%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 +; @param lrd [rbp + xCB*2] +BEGINPROC RT_NOCRT(lrintl) + push xBP + mov xBP, xSP + sub xSP, 10h + + fld tword [xBP + xCB*2] +%ifdef RT_ARCH_AMD64 + fistp qword [xSP] + fwait + mov rax, [xSP] +%else + fistp dword [xSP] + fwait + mov eax, [xSP] +%endif + + leave + ret +ENDPROC RT_NOCRT(lrintl) + |