First Commit

common/emitter/implement/group3.h

@@ -0,0 +1,97 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#pragma once
+
+namespace x86Emitter
+{
+
+	enum G3Type
+	{
+		G3Type_NOT = 2,
+		G3Type_NEG = 3,
+		G3Type_MUL = 4,
+		G3Type_iMUL = 5, // partial implementation, iMul has additional forms in ix86.cpp
+		G3Type_DIV = 6,
+		G3Type_iDIV = 7
+	};
+
+	// --------------------------------------------------------------------------------------
+	//  xImpl_Group3
+	// --------------------------------------------------------------------------------------
+	struct xImpl_Group3
+	{
+		G3Type InstType;
+
+		void operator()(const xRegisterInt& from) const;
+		void operator()(const xIndirect64orLess& from) const;
+
+#if 0
+	template< typename T >
+	void operator()( const xDirectOrIndirect<T>& from ) const
+	{
+		_DoI_helpermess( *this, from );
+	}
+#endif
+	};
+
+	// --------------------------------------------------------------------------------------
+	//  xImpl_MulDivBase
+	// --------------------------------------------------------------------------------------
+	// This class combines x86 and SSE/SSE2 instructions for iMUL and iDIV.
+	//
+	struct xImpl_MulDivBase
+	{
+		G3Type InstType;
+		u16 OpcodeSSE;
+
+		void operator()(const xRegisterInt& from) const;
+		void operator()(const xIndirect64orLess& from) const;
+
+		const xImplSimd_DestRegSSE PS;
+		const xImplSimd_DestRegSSE PD;
+		const xImplSimd_DestRegSSE SS;
+		const xImplSimd_DestRegSSE SD;
+	};
+
+	// --------------------------------------------------------------------------------------
+	//  xImpl_iDiv
+	// --------------------------------------------------------------------------------------
+	struct xImpl_iDiv
+	{
+		void operator()(const xRegisterInt& from) const;
+		void operator()(const xIndirect64orLess& from) const;
+
+		const xImplSimd_DestRegSSE PS;
+		const xImplSimd_DestRegSSE PD;
+		const xImplSimd_DestRegSSE SS;
+		const xImplSimd_DestRegSSE SD;
+	};
+
+	// --------------------------------------------------------------------------------------
+	//  xImpl_iMul
+	// --------------------------------------------------------------------------------------
+	//
+	struct xImpl_iMul
+	{
+		void operator()(const xRegisterInt& from) const;
+		void operator()(const xIndirect64orLess& from) const;
+
+		// The following iMul-specific forms are valid for 16 and 32 bit register operands only!
+
+		void operator()(const xRegister32& to, const xRegister32& from) const;
+		void operator()(const xRegister32& to, const xIndirectVoid& src) const;
+		void operator()(const xRegister16& to, const xRegister16& from) const;
+		void operator()(const xRegister16& to, const xIndirectVoid& src) const;
+
+		void operator()(const xRegister32& to, const xRegister32& from, s32 imm) const;
+		void operator()(const xRegister32& to, const xIndirectVoid& from, s32 imm) const;
+		void operator()(const xRegister16& to, const xRegister16& from, s16 imm) const;
+		void operator()(const xRegister16& to, const xIndirectVoid& from, s16 imm) const;
+
+		const xImplSimd_DestRegSSE PS;
+		const xImplSimd_DestRegSSE PD;
+		const xImplSimd_DestRegSSE SS;
+		const xImplSimd_DestRegSSE SD;
+	};
+} // namespace x86Emitter