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GitHub Repository: hrydgard/ppsspp
 Path: blob/master/Core/MIPS/x86/CompReplace.cpp
Views: 1401
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// Copyright (c) 2013- PPSSPP Project.

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// This program is free software: you can redistribute it and/or modify

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// it under the terms of the GNU General Public License as published by

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// the Free Software Foundation, version 2.0 or later versions.

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// This program is distributed in the hope that it will be useful,

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// but WITHOUT ANY WARRANTY; without even the implied warranty of

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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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// GNU General Public License 2.0 for more details.

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// A copy of the GPL 2.0 should have been included with the program.

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// If not, see http://www.gnu.org/licenses/

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// Official git repository and contact information can be found at

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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.

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#include "ppsspp_config.h"

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#if PPSSPP_ARCH(X86) || PPSSPP_ARCH(AMD64)

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#include "Core/MemMap.h"

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#include "Core/MIPS/JitCommon/JitCommon.h"

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#include "Core/MIPS/x86/RegCache.h"

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#include "Core/MIPS/x86/Jit.h"

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alignas(16) static const u64 ssNoSignMask[2] = {0x7FFFFFFF7FFFFFFFULL, 0x7FFFFFFF7FFFFFFFULL};

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namespace MIPSComp {

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using namespace Gen;

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int Jit::Replace_fabsf() {

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	fpr.SpillLock(0, 12);

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	fpr.MapReg(0, false, true);

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	MOVSS(fpr.RX(0), fpr.R(12));

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	MOV(PTRBITS, R(RAX), ImmPtr(&ssNoSignMask));

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	ANDPS(fpr.RX(0), MatR(RAX));

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	fpr.ReleaseSpillLocks();

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	return 4;  // Number of instructions in the MIPS function

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}

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}

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#endif // PPSSPP_ARCH(X86) || PPSSPP_ARCH(AMD64)

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