1 files changed, 53 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/math/llrint.asm b/src/VBox/Runtime/common/math/llrint.asm
new file mode 100644
index 00000000..1c9ee326
--- /dev/null
+++ b/src/VBox/Runtime/common/math/llrint.asm
@@ -0,0 +1,53 @@
+; $Id: llrint.asm $
+;; @file
+; IPRT - No-CRT llrint - AMD64 & X86.
+;
+
+;
+; Copyright (C) 2006-2020 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: edx:eax  64-bit: rax
+; @param    rd     32-bit: [esp + 4h]  64-bit: xmm0
+BEGINPROC RT_NOCRT(llrint)
+%ifdef RT_ARCH_AMD64
+    cvtsd2si rax, xmm0
+%else
+    push    ebp
+    mov     ebp, esp
+    sub     esp, 8h
+
+    fld     qword [ebp + 8h]
+    fistp   qword [esp]
+    fwait
+    mov     eax, [esp]
+    mov     edx, [esp + 4]
+
+    leave
+%endif
+    ret
+ENDPROC   RT_NOCRT(llrint)
+