mirror of https://github.com/PCSX2/pcsx2.git
143 lines
5.3 KiB
C++
143 lines
5.3 KiB
C++
/* PCSX2 - PS2 Emulator for PCs
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* Copyright (C) 2002-2009 PCSX2 Dev Team
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*
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* PCSX2 is free software: you can redistribute it and/or modify it under the terms
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* of the GNU Lesser General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with PCSX2.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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//////////////////////////////////////////////////////////////////////////////////////////
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//
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template< u16 OpcodeSSE >
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class SimdImpl_MinMax
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{
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public:
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const SimdImpl_DestRegSSE<0x00,OpcodeSSE> PS; // packed single precision
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const SimdImpl_DestRegSSE<0x66,OpcodeSSE> PD; // packed double precision
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const SimdImpl_DestRegSSE<0xf3,OpcodeSSE> SS; // scalar single precision
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const SimdImpl_DestRegSSE<0xf2,OpcodeSSE> SD; // scalar double precision
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SimdImpl_MinMax() {} //GChow?
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};
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//////////////////////////////////////////////////////////////////////////////////////////
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//
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template< SSE2_ComparisonType CType >
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class SimdImpl_Compare
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{
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protected:
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template< u8 Prefix > struct Woot
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{
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__forceinline void operator()( const xRegisterSSE& to, const xRegisterSSE& from ) const { xOpWrite0F( Prefix, 0xc2, to, from ); xWrite8( CType ); }
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__forceinline void operator()( const xRegisterSSE& to, const ModSibBase& from ) const { xOpWrite0F( Prefix, 0xc2, to, from ); xWrite8( CType ); }
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Woot() {}
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};
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public:
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const Woot<0x00> PS;
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const Woot<0x66> PD;
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const Woot<0xf3> SS;
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const Woot<0xf2> SD;
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SimdImpl_Compare() {} //GCWhat?
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};
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//////////////////////////////////////////////////////////////////////////////////////////
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// Compare scalar floating point values and set EFLAGS (Ordered or Unordered)
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//
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template< bool Ordered >
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class SimdImpl_COMI
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{
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protected:
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static const u16 OpcodeSSE = Ordered ? 0x2f : 0x2e;
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public:
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const SimdImpl_DestRegSSE<0x00,OpcodeSSE> SS;
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const SimdImpl_DestRegSSE<0x66,OpcodeSSE> SD;
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SimdImpl_COMI() {}
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};
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//////////////////////////////////////////////////////////////////////////////////////////
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//
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class SimdImpl_PCompare
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{
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public:
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SimdImpl_PCompare() {}
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// Compare packed bytes for equality.
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// If a data element in dest is equal to the corresponding date element src, the
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// corresponding data element in dest is set to all 1s; otherwise, it is set to all 0s.
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const SimdImpl_DestRegEither<0x66,0x74> EQB;
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// Compare packed words for equality.
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// If a data element in dest is equal to the corresponding date element src, the
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// corresponding data element in dest is set to all 1s; otherwise, it is set to all 0s.
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const SimdImpl_DestRegEither<0x66,0x75> EQW;
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// Compare packed doublewords [32-bits] for equality.
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// If a data element in dest is equal to the corresponding date element src, the
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// corresponding data element in dest is set to all 1s; otherwise, it is set to all 0s.
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const SimdImpl_DestRegEither<0x66,0x76> EQD;
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// Compare packed signed bytes for greater than.
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// If a data element in dest is greater than the corresponding date element src, the
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// corresponding data element in dest is set to all 1s; otherwise, it is set to all 0s.
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const SimdImpl_DestRegEither<0x66,0x64> GTB;
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// Compare packed signed words for greater than.
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// If a data element in dest is greater than the corresponding date element src, the
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// corresponding data element in dest is set to all 1s; otherwise, it is set to all 0s.
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const SimdImpl_DestRegEither<0x66,0x65> GTW;
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// Compare packed signed doublewords [32-bits] for greater than.
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// If a data element in dest is greater than the corresponding date element src, the
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// corresponding data element in dest is set to all 1s; otherwise, it is set to all 0s.
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const SimdImpl_DestRegEither<0x66,0x66> GTD;
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};
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//////////////////////////////////////////////////////////////////////////////////////////
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//
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template< u8 Opcode1, u16 Opcode2 >
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class SimdImpl_PMinMax
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{
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public:
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SimdImpl_PMinMax() {}
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// Compare packed unsigned byte integers in dest to src and store packed min/max
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// values in dest.
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// Operation can be performed on either MMX or SSE operands.
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const SimdImpl_DestRegEither<0x66,Opcode1> UB;
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// Compare packed signed word integers in dest to src and store packed min/max
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// values in dest.
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// Operation can be performed on either MMX or SSE operands.
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const SimdImpl_DestRegEither<0x66,Opcode1+0x10> SW;
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// [SSE-4.1] Compare packed signed byte integers in dest to src and store
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// packed min/max values in dest. (SSE operands only)
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const SimdImpl_DestRegSSE<0x66,(Opcode2<<8)|0x38> SB;
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// [SSE-4.1] Compare packed signed doubleword integers in dest to src and store
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// packed min/max values in dest. (SSE operands only)
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const SimdImpl_DestRegSSE<0x66,((Opcode2+1)<<8)|0x38> SD;
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// [SSE-4.1] Compare packed unsigned word integers in dest to src and store
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// packed min/max values in dest. (SSE operands only)
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const SimdImpl_DestRegSSE<0x66,((Opcode2+2)<<8)|0x38> UW;
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// [SSE-4.1] Compare packed unsigned doubleword integers in dest to src and store
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// packed min/max values in dest. (SSE operands only)
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const SimdImpl_DestRegSSE<0x66,((Opcode2+3)<<8)|0x38> UD;
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};
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