From f215e02bf85f68d3a6106c2a1f4f7f063f819064 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:17:27 +0200 Subject: Adding upstream version 7.0.14-dfsg. Signed-off-by: Daniel Baumann --- .../Runtime/common/asm/ASMMultU32ByU32DivByU32.asm | 74 ++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 src/VBox/Runtime/common/asm/ASMMultU32ByU32DivByU32.asm (limited to 'src/VBox/Runtime/common/asm/ASMMultU32ByU32DivByU32.asm') diff --git a/src/VBox/Runtime/common/asm/ASMMultU32ByU32DivByU32.asm b/src/VBox/Runtime/common/asm/ASMMultU32ByU32DivByU32.asm new file mode 100644 index 00000000..02d86145 --- /dev/null +++ b/src/VBox/Runtime/common/asm/ASMMultU32ByU32DivByU32.asm @@ -0,0 +1,74 @@ +; $Id: ASMMultU32ByU32DivByU32.asm $ +;; @file +; IPRT - Assembly Functions, ASMMultU32ByU32DivByU32. +; + +; +; Copyright (C) 2006-2023 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 . +; +; 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" + + +;; +; Multiple a 32-bit by a 32-bit integer and divide the result by a 32-bit integer +; using a 64 bit intermediate result. +; +; @returns (u32A * u32B) / u32C. +; @param u32A/ecx/edi The 32-bit value (A). +; @param u32B/edx/esi The 32-bit value to multiple by A. +; @param u32C/r8d/edx The 32-bit value to divide A*B by. +; +; @cproto DECLASM(uint32_t) ASMMultU32ByU32DivByU32(uint32_t u32A, uint32_t u32B, uint32_t u32C); +; +RT_BEGINPROC ASMMultU32ByU32DivByU32 +%ifdef RT_ARCH_AMD64 + %ifdef ASM_CALL64_MSC + mov eax, ecx + mul edx + div r8d + %else + mov eax, edi + mov ecx, edx + mul esi + div ecx + %endif + +%elifdef RT_ARCH_X86 + mov eax, [esp + 04h] + mul dword [esp + 08h] + div dword [esp + 0ch] +%else + %error "Unsupported arch." + unsupported arch +%endif + + ret +ENDPROC ASMMultU32ByU32DivByU32 -- cgit v1.2.3