1 files changed, 80 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/compiler/vcc/ftol2-vcc.asm b/src/VBox/Runtime/common/compiler/vcc/ftol2-vcc.asm
new file mode 100644
index 00000000..b5be9ef9
--- /dev/null
+++ b/src/VBox/Runtime/common/compiler/vcc/ftol2-vcc.asm
@@ -0,0 +1,80 @@
+; $Id: ftol2-vcc.asm $
+;; @file
+; IPRT - Floating Point to Integer related Visual C++ support routines.
+;
+
+;
+; Copyright (C) 2022 Oracle and/or its affiliates.
+;
+; This file is part of VirtualBox base platform packages, as
+; available from https://www.virtualbox.org.
+;
+; This program is free software; you can redistribute it and/or
+; modify it under the terms of the GNU General Public License
+; as published by the Free Software Foundation, in version 3 of the
+; License.
+;
+; This program is distributed in the hope that it will be useful, but
+; WITHOUT ANY WARRANTY; without even the implied warranty of
+; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+; General Public License for more details.
+;
+; You should have received a copy of the GNU General Public License
+; along with this program; if not, see <https://www.gnu.org/licenses>.
+;
+; The contents of this file may alternatively be used under the terms
+; of the Common Development and Distribution License Version 1.0
+; (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+; in the VirtualBox 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.
+;
+; SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+;
+
+
+%include "iprt/asmdefs.mac"
+%include "iprt/x86.mac"
+
+
+;;
+; Convert st0 to integer returning it in eax, popping st0.
+;
+; @returns  value in eax
+; @param    st0     The value to convet.  Will be popped.
+; @uses     eax, st0, FSW.TOP
+;
+GLOBALNAME_RAW  __ftol2_sse_excpt, function, RT_NOTHING
+GLOBALNAME_RAW  __ftol2_sse, function, RT_NOTHING ;; @todo kind of expect __ftol2_sse to take input in xmm0 and return in edx:eax.
+BEGINPROC_RAW   __ftoi2
+        push    ebp
+        mov     ebp, esp
+        sub     esp, 8h
+        fisttp  dword [esp]
+        mov     eax, [esp]
+        leave
+        ret
+ENDPROC_RAW     __ftoi2
+
+
+;;
+; Convert st0 to integer returning it in edx:eax, popping st0.
+;
+; @returns  value in edx:eax
+; @param    st0     The value to convet.  Will be popped.
+; @uses     eax, edx, st0, FSW.TOP
+;
+BEGINPROC_RAW   __ftol2
+        push    ebp
+        mov     ebp, esp
+        sub     esp, 8h
+        and     esp, 0fffffff8h             ; proper alignment.
+        fisttp  qword [esp]
+        mov     eax, [esp]
+        mov     edx, [esp + 4]
+        leave
+        ret
+ENDPROC_RAW     __ftol2
+