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author | vboxsync <vboxsync@cfe28804-0f27-0410-a406-dd0f0b0b656f> | 2022-08-05 12:22:06 +0000 |
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committer | vboxsync <vboxsync@cfe28804-0f27-0410-a406-dd0f0b0b656f> | 2022-08-05 12:22:06 +0000 |
commit | c21dad8fa4cc9c6792eb45d66fe7774cb73229c5 (patch) | |
tree | 394d13ffb5a0e12247a008581b55fbc8fcd3e377 /src/VBox/Runtime/common/math/sin.asm | |
parent | 5d8b20698b85e17a481254928d714e15f9bfac18 (diff) | |
download | VirtualBox-svn-c21dad8fa4cc9c6792eb45d66fe7774cb73229c5.tar.gz |
IPRT/nocrt: Make use of existing floating point assembly code, morphing it into double and float variants where those were missing. bugref:10261
git-svn-id: https://www.virtualbox.org/svn/vbox/trunk@96060 cfe28804-0f27-0410-a406-dd0f0b0b656f
Diffstat (limited to 'src/VBox/Runtime/common/math/sin.asm')
-rw-r--r-- | src/VBox/Runtime/common/math/sin.asm | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/math/sin.asm b/src/VBox/Runtime/common/math/sin.asm new file mode 100644 index 00000000000..7178a7696f7 --- /dev/null +++ b/src/VBox/Runtime/common/math/sin.asm @@ -0,0 +1,71 @@ +; $Id$ +;; @file +; IPRT - No-CRT sin - 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. +; + +%include "iprt/asmdefs.mac" + +BEGINCODE + +;; +; Compute the sine of rd +; @returns st(0)/xmm0 +; @param rd [xSP + xCB*2] / xmm0 +RT_NOCRT_BEGINPROC sin + push xBP + mov xBP, xSP + +%ifdef RT_ARCH_AMD64 + sub xSP, 10h + + movsd [xSP], xmm0 + fld qword [xSP] +%else + fld qword [xBP + xCB*2] +%endif + fsin + fnstsw ax + test ah, 04h + jz .done + + fldpi + fadd st0 + fxch st1 +.again: + fprem1 + fnstsw ax + test ah, 04h + jnz .again + fstp st1 + fsin + +.done: +%ifdef RT_ARCH_AMD64 + fstp qword [xSP] + movsd xmm0, [xSP] +%endif + leave + ret +ENDPROC RT_NOCRT(sin) + |