kerneltest/e32test/math/t_vfp.h
author hgs
Fri, 23 Apr 2010 22:08:41 +0100
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201015_08
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// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// e32test\math\t_vfp.h
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// 
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//
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#ifndef __T_VFP_H__
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#define __T_VFP_H__
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#include <e32std.h>
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#include <arm_vfp.h>
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#define ARCH_VERSION_VFPV2				1
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#define ARCH_VERSION_VFPV3_SUBARCH_V2	2
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#define ARCH_VERSION_VFPV3_SUBARCH_NULL	3
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#define ARCH_VERSION_VFPV3_SUBARCH_V3	4
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class Vfp
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	{
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public:
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	static TUint32 Fpscr();
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	static void SetFpscr(TUint32 aVal);
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	static TReal32 SReg(TInt aReg);
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	static void SetSReg(TReal32 aVal, TInt aReg);
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	static TInt32 SRegInt(TInt aReg);
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	static void SetSReg(TInt32 aVal, TInt aReg);
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	static void AbsS();				// S0 = ABS(S1)
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	static void AddS();				// S0 = S1 + S2
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	static void CmpS();				// compare S0, S1
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	static void CmpES();			// compare S0, S1
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	static void CmpEZS();			// compare S0, 0
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	static void CmpZS();			// compare S0, 0
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	static void Cpy0S(TInt aReg);	// S0 = Sn
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	static void CpyS0(TInt aReg);	// Sn = S0
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	static void DivS();				// S0 = S1 / S2
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	static void MacS();				// S0 += S1 * S2
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	static void MscS();				// S0 = S1 * S2 - S0
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	static void MulS();				// S0 = S1 * S2
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	static void NegS();				// S0 = -S1
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	static void NMacS();			// S0 -= S1 * S2
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	static void NMscS();			// S0 = -S0 - S1 * S2
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	static void NMulS();			// S0 = -S1 * S2
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	static void SqrtS();			// S0 = sqrt(S1)
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	static void SubS();				// S0 = S1 - S2
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	static TReal64 DReg(TInt aReg);
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	static void SetDReg(TReal64 aVal, TInt aReg);
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	static TInt64 DRegInt(TInt aReg);
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	static void SetDReg(TInt64 aVal, TInt aReg);
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	static void AbsD();				// D0 = ABS(D1)
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	static void AddD();				// D0 = D1 + D2
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	static void CmpD();				// compare D0, D1
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	static void CmpED();			// compare D0, D1
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	static void CmpEZD();			// compare D0, 0
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	static void CmpZD();			// compare D0, 0
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	static void Cpy0D(TInt aReg);	// D0 = Dn
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	static void CpyD0(TInt aReg);	// Dn = D0
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	static void DivD();				// D0 = D1 / D2
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	static void MacD();				// D0 += D1 * D2
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	static void MscD();				// D0 = D1 * D2 - D0
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	static void MulD();				// D0 = D1 * D2
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	static void NegD();				// D0 = -D1
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	static void NMacD();			// D0 -= D1 * D2
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	static void NMscD();			// D0 = -D0 - D1 * D2
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	static void NMulD();			// D0 = -D1 * D2
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	static void SqrtD();			// D0 = sqrt(D1)
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	static void SubD();				// D0 = D1 - D2
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	static void CvtDS();			// D0 = S2
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	static void CvtSD();			// S0 = D1
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	static void SitoD();			// D0 = IS2
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	static void SitoS();			// S0 = IS2
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	static void TosiD();			// IS0 = D1
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	static void TosiZD();			// IS0 = D1 round towards 0
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	static void TosiS();			// IS0 = S2
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	static void TosiZS();			// IS0 = S2 round towards 0
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	static void UitoD();			// D0 = US2
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	static void UitoS();			// S0 = US2
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	static void TouiD();			// US0 = D1
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	static void TouiZD();			// US0 = D1 round towards 0
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	static void TouiS();			// US0 = S2
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	static void TouiZS();			// US0 = S2 round towards 0
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	// VFPv3 support
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	static void ToFixedS(TInt aBits);	// Convert to fixed (aBits) precision 
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	static void FromFixedS(TInt aBits); // Convert from fixed (aBits) precision 
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	static void TconstS2();			// S0=2
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	static void TconstS2_8();		// S0=2.875
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	static void TconstD2();			// D0=2
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	static void TconstD2_8();		// D0=2.875
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	};
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GLREF_C TInt NeonWithF2(TAny*);
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GLREF_C TInt NeonWithF3(TAny*);
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GLREF_C TInt NeonWithF4x(TAny*);
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GLREF_C TInt ThumbMode(TAny*);
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#endif
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