x86emitter: implement some BMI instructions

Only a couple of one to do some memory profiling

common/include/x86emitter/implement/bmi.h

@@ -0,0 +1,61 @@
+/*  PCSX2 - PS2 Emulator for PCs
+ *  Copyright (C) 2002-2015  PCSX2 Dev Team
+ *
+ *  PCSX2 is free software: you can redistribute it and/or modify it under the terms
+ *  of the GNU Lesser General Public License as published by the Free Software Found-
+ *  ation, either version 3 of the License, or (at your option) any later version.
+ *
+ *  PCSX2 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 PCSX2.
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+// Implement BMI1/BMI2 instruction set
+
+namespace x86Emitter {
+
+	struct xImplBMI_RVM
+	{
+		u8 Prefix;
+		u8 MbPrefix;
+		u8 Opcode;
+
+		// RVM
+		// MULX 	Unsigned multiply without affecting flags, and arbitrary destination registers
+		// PDEP 	Parallel bits deposit
+		// PEXT 	Parallel bits extract
+		// ANDN 	Logical and not 	~x & y
+		void operator()( const xRegisterInt& to, const xRegisterInt& from1, const xRegisterInt& from2) const;
+		void operator()( const xRegisterInt& to, const xRegisterInt& from1, const xIndirectVoid& from2) const;
+
+#if 0
+		// RMV
+		// BEXTR 	Bit field extract (with register) 	(src >> start) & ((1 << len)-1)[9]
+		// BZHI 	Zero high bits starting with specified bit position
+		// SARX 	Shift arithmetic right without affecting flags
+		// SHRX 	Shift logical right without affecting flags
+		// SHLX 	Shift logical left without affecting flags
+		// FIXME: WARNING same as above but V and M are inverted
+		//void operator()( const xRegisterInt& to, const xRegisterInt& from1, const xRegisterInt& from2) const;
+		//void operator()( const xRegisterInt& to, const xIndirectVoid& from1, const xRegisterInt& from2) const;
+
+		// VM
+		// BLSI 	Extract lowest set isolated bit 	x & -x
+		// BLSMSK 	Get mask up to lowest set bit 	x ^ (x - 1)
+		// BLSR 	Reset lowest set bit 	x & (x - 1)
+		void operator()( const xRegisterInt& to, const xRegisterInt& from) const;
+		void operator()( const xRegisterInt& to, const xIndirectVoid& from) const;
+
+		// RMI
+		//RORX 	Rotate right logical without affecting flags
+		void operator()( const xRegisterInt& to, const xRegisterInt& from, u8 imm) const;
+		void operator()( const xRegisterInt& to, const xIndirectVoid& from, u8 imm) const;
+#endif
+	};
+
+}

common/include/x86emitter/instructions.h

@@ -124,6 +124,10 @@ namespace x86Emitter
 		xSETS, xSETNS,
 		xSETPE, xSETPO;
 
+	// ------------------------------------------------------------------------
+	// BMI extra instruction requires BMI1/BMI2
+	extern const xImplBMI_RVM xMULX, xPDEP, xPEXT, xANDN_S; // Warning xANDN is already used by SSE
+
 	//////////////////////////////////////////////////////////////////////////////////////////
 	// Miscellaneous Instructions
 	// These are all defined inline or in ix86.cpp.

common/include/x86emitter/x86types.h

@@ -1002,3 +1002,4 @@ template< typename T > void xWrite( T val );
 #include "implement/test.h"
 #include "implement/jmpcall.h"
 
+#include "implement/bmi.h"

common/src/x86emitter/CMakeLists.txt

@@ -42,6 +42,7 @@ endif(CMAKE_BUILD_TYPE STREQUAL Release)
 
 # variable with all sources of this library
 set(x86emitterSources
+	bmi.cpp
 	cpudetect.cpp
 	fpu.cpp
 	groups.cpp

common/src/x86emitter/bmi.cpp

@@ -0,0 +1,32 @@
+/*  PCSX2 - PS2 Emulator for PCs
+ *  Copyright (C) 2002-2015  PCSX2 Dev Team
+ *
+ *  PCSX2 is free software: you can redistribute it and/or modify it under the terms
+ *  of the GNU Lesser General Public License as published by the Free Software Found-
+ *  ation, either version 3 of the License, or (at your option) any later version.
+ *
+ *  PCSX2 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 PCSX2.
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "PrecompiledHeader.h"
+#include "internal.h"
+#include "tools.h"
+
+namespace x86Emitter {
+
+	const xImplBMI_RVM xMULX = { 0xF2, 0x38, 0xF6 };
+	const xImplBMI_RVM xPDEP = { 0xF2, 0x38, 0xF5 };
+	const xImplBMI_RVM xPEXT = { 0xF3, 0x38, 0xF5 };
+	const xImplBMI_RVM xANDN_S  = { 0x00, 0x38, 0xF2 };
+
+	void xImplBMI_RVM::operator()( const xRegisterInt& to, const xRegisterInt& from1, const xRegisterInt& from2) const
+	{ xOpWriteC4(Prefix, MbPrefix, Opcode, to, from1, from2); }
+	void xImplBMI_RVM::operator()( const xRegisterInt& to, const xRegisterInt& from1, const xIndirectVoid& from2) const
+	{ xOpWriteC4(Prefix, MbPrefix, Opcode, to, from1, from2); }
+
+}