pcsx2/common/include/x86emitter/implement/simd_comparisons.h

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/* PCSX2 - PS2 Emulator for PCs
* Copyright (C) 2002-2010 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
namespace x86Emitter {
struct xImplSimd_MinMax
{
const xImplSimd_DestRegSSE PS; // packed single precision
const xImplSimd_DestRegSSE PD; // packed double precision
const xImplSimd_DestRegSSE SS; // scalar single precision
const xImplSimd_DestRegSSE SD; // scalar double precision
};
//////////////////////////////////////////////////////////////////////////////////////////
//
struct xImplSimd_Compare
{
SSE2_ComparisonType CType;
void PS( const xRegisterSSE& to, const xRegisterSSE& from ) const;
void PS( const xRegisterSSE& to, const xIndirectVoid& from ) const;
void PD( const xRegisterSSE& to, const xRegisterSSE& from ) const;
void PD( const xRegisterSSE& to, const xIndirectVoid& from ) const;
void SS( const xRegisterSSE& to, const xRegisterSSE& from ) const;
void SS( const xRegisterSSE& to, const xIndirectVoid& from ) const;
void SD( const xRegisterSSE& to, const xRegisterSSE& from ) const;
void SD( const xRegisterSSE& to, const xIndirectVoid& from ) const;
};
//////////////////////////////////////////////////////////////////////////////////////////
// Compare scalar floating point values and set EFLAGS (Ordered or Unordered)
//
struct xImplSimd_COMI
{
const xImplSimd_DestRegSSE SS;
const xImplSimd_DestRegSSE SD;
};
//////////////////////////////////////////////////////////////////////////////////////////
//
struct xImplSimd_PCompare
{
public:
// Compare packed bytes for equality.
// If a data element in dest is equal to the corresponding date element src, the
// corresponding data element in dest is set to all 1s; otherwise, it is set to all 0s.
const xImplSimd_DestRegEither EQB;
// Compare packed words for equality.
// If a data element in dest is equal to the corresponding date element src, the
// corresponding data element in dest is set to all 1s; otherwise, it is set to all 0s.
const xImplSimd_DestRegEither EQW;
// Compare packed doublewords [32-bits] for equality.
// If a data element in dest is equal to the corresponding date element src, the
// corresponding data element in dest is set to all 1s; otherwise, it is set to all 0s.
const xImplSimd_DestRegEither EQD;
// Compare packed signed bytes for greater than.
// If a data element in dest is greater than the corresponding date element src, the
// corresponding data element in dest is set to all 1s; otherwise, it is set to all 0s.
const xImplSimd_DestRegEither GTB;
// Compare packed signed words for greater than.
// If a data element in dest is greater than the corresponding date element src, the
// corresponding data element in dest is set to all 1s; otherwise, it is set to all 0s.
const xImplSimd_DestRegEither GTW;
// Compare packed signed doublewords [32-bits] for greater than.
// If a data element in dest is greater than the corresponding date element src, the
// corresponding data element in dest is set to all 1s; otherwise, it is set to all 0s.
const xImplSimd_DestRegEither GTD;
};
//////////////////////////////////////////////////////////////////////////////////////////
//
struct xImplSimd_PMinMax
{
// Compare packed unsigned byte integers in dest to src and store packed min/max
// values in dest.
// Operation can be performed on either MMX or SSE operands.
const xImplSimd_DestRegEither UB;
// Compare packed signed word integers in dest to src and store packed min/max
// values in dest.
// Operation can be performed on either MMX or SSE operands.
const xImplSimd_DestRegEither SW;
// [SSE-4.1] Compare packed signed byte integers in dest to src and store
// packed min/max values in dest. (SSE operands only)
const xImplSimd_DestRegSSE SB;
// [SSE-4.1] Compare packed signed doubleword integers in dest to src and store
// packed min/max values in dest. (SSE operands only)
const xImplSimd_DestRegSSE SD;
// [SSE-4.1] Compare packed unsigned word integers in dest to src and store
// packed min/max values in dest. (SSE operands only)
const xImplSimd_DestRegSSE UW;
// [SSE-4.1] Compare packed unsigned doubleword integers in dest to src and store
// packed min/max values in dest. (SSE operands only)
const xImplSimd_DestRegSSE UD;
};
} // end namespace x86Emitter