/* 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 . */ #pragma once namespace x86Emitter { // -------------------------------------------------------------------------------------- // xImplSimd_Shuffle // -------------------------------------------------------------------------------------- struct xImplSimd_Shuffle { inline void _selector_assertion_check(u8 selector) const; void PS(const xRegisterSSE& to, const xRegisterSSE& from, u8 selector) const; void PS(const xRegisterSSE& to, const xIndirectVoid& from, u8 selector) const; void PD(const xRegisterSSE& to, const xRegisterSSE& from, u8 selector) const; void PD(const xRegisterSSE& to, const xIndirectVoid& from, u8 selector) const; }; // -------------------------------------------------------------------------------------- // xImplSimd_PShuffle // -------------------------------------------------------------------------------------- struct xImplSimd_PShuffle { // Copies doublewords from src and inserts them into dest at dword locations selected // with the order operand (8 bit immediate). const xImplSimd_DestRegImmSSE D; // Copies words from the low quadword of src and inserts them into the low quadword // of dest at word locations selected with the order operand (8 bit immediate). // The high quadword of src is copied to the high quadword of dest. const xImplSimd_DestRegImmSSE LW; // Copies words from the high quadword of src and inserts them into the high quadword // of dest at word locations selected with the order operand (8 bit immediate). // The low quadword of src is copied to the low quadword of dest. const xImplSimd_DestRegImmSSE HW; // [sSSE-3] Performs in-place shuffles of bytes in dest according to the shuffle // control mask in src. If the most significant bit (bit[7]) of each byte of the // shuffle control mask is set, then constant zero is written in the result byte. // Each byte in the shuffle control mask forms an index to permute the corresponding // byte in dest. The value of each index is the least significant 4 bits (128-bit // operation) or 3 bits (64-bit operation) of the shuffle control byte. // const xImplSimd_DestRegEither B; // below is my test bed for a new system, free of subclasses. Was supposed to improve intellisense // but it doesn't (makes it worse). Will try again in MSVC 2010. --air #if 0 // Copies words from src and inserts them into dest at word locations selected with // the order operand (8 bit immediate). // Copies doublewords from src and inserts them into dest at dword locations selected // with the order operand (8 bit immediate). void D( const xRegisterSSE& to, const xRegisterSSE& from, u8 imm ) const { xOpWrite0F( 0x66, 0x70, to, from, imm ); } void D( const xRegisterSSE& to, const xIndirectVoid& from, u8 imm ) const { xOpWrite0F( 0x66, 0x70, to, from, imm ); } // Copies words from the low quadword of src and inserts them into the low quadword // of dest at word locations selected with the order operand (8 bit immediate). // The high quadword of src is copied to the high quadword of dest. void LW( const xRegisterSSE& to, const xRegisterSSE& from, u8 imm ) const { xOpWrite0F( 0xf2, 0x70, to, from, imm ); } void LW( const xRegisterSSE& to, const xIndirectVoid& from, u8 imm ) const { xOpWrite0F( 0xf2, 0x70, to, from, imm ); } // Copies words from the high quadword of src and inserts them into the high quadword // of dest at word locations selected with the order operand (8 bit immediate). // The low quadword of src is copied to the low quadword of dest. void HW( const xRegisterSSE& to, const xRegisterSSE& from, u8 imm ) const { xOpWrite0F( 0xf3, 0x70, to, from, imm ); } void HW( const xRegisterSSE& to, const xIndirectVoid& from, u8 imm ) const { xOpWrite0F( 0xf3, 0x70, to, from, imm ); } // [sSSE-3] Performs in-place shuffles of bytes in dest according to the shuffle // control mask in src. If the most significant bit (bit[7]) of each byte of the // shuffle control mask is set, then constant zero is written in the result byte. // Each byte in the shuffle control mask forms an index to permute the corresponding // byte in dest. The value of each index is the least significant 4 bits (128-bit // operation) or 3 bits (64-bit operation) of the shuffle control byte. // void B( const xRegisterSSE& to, const xRegisterSSE& from ) const { OpWriteSSE( 0x66, 0x0038 ); } void B( const xRegisterSSE& to, const xIndirectVoid& from ) const { OpWriteSSE( 0x66, 0x0038 ); } #endif }; // -------------------------------------------------------------------------------------- // SimdImpl_PUnpack // -------------------------------------------------------------------------------------- struct SimdImpl_PUnpack { // Unpack and interleave low-order bytes from src and dest into dest. const xImplSimd_DestRegEither LBW; // Unpack and interleave low-order words from src and dest into dest. const xImplSimd_DestRegEither LWD; // Unpack and interleave low-order doublewords from src and dest into dest. const xImplSimd_DestRegEither LDQ; // Unpack and interleave low-order quadwords from src and dest into dest. const xImplSimd_DestRegSSE LQDQ; // Unpack and interleave high-order bytes from src and dest into dest. const xImplSimd_DestRegEither HBW; // Unpack and interleave high-order words from src and dest into dest. const xImplSimd_DestRegEither HWD; // Unpack and interleave high-order doublewords from src and dest into dest. const xImplSimd_DestRegEither HDQ; // Unpack and interleave high-order quadwords from src and dest into dest. const xImplSimd_DestRegSSE HQDQ; }; // -------------------------------------------------------------------------------------- // SimdImpl_Pack // -------------------------------------------------------------------------------------- // Pack with Signed or Unsigned Saturation // struct SimdImpl_Pack { // Converts packed signed word integers from src and dest into packed signed // byte integers in dest, using signed saturation. const xImplSimd_DestRegEither SSWB; // Converts packed signed dword integers from src and dest into packed signed // word integers in dest, using signed saturation. const xImplSimd_DestRegEither SSDW; // Converts packed unsigned word integers from src and dest into packed unsigned // byte integers in dest, using unsigned saturation. const xImplSimd_DestRegEither USWB; // [SSE-4.1] Converts packed unsigned dword integers from src and dest into packed // unsigned word integers in dest, using signed saturation. const xImplSimd_DestRegSSE USDW; }; // -------------------------------------------------------------------------------------- // SimdImpl_Unpack // -------------------------------------------------------------------------------------- struct xImplSimd_Unpack { // Unpacks the high doubleword [single-precision] values from src and dest into // dest, such that the result of dest looks like this: // dest[0] <- dest[2] // dest[1] <- src[2] // dest[2] <- dest[3] // dest[3] <- src[3] // const xImplSimd_DestRegSSE HPS; // Unpacks the high quadword [double-precision] values from src and dest into // dest, such that the result of dest looks like this: // dest.lo <- dest.hi // dest.hi <- src.hi // const xImplSimd_DestRegSSE HPD; // Unpacks the low doubleword [single-precision] values from src and dest into // dest, such that the result of dest looks like this: // dest[3] <- src[1] // dest[2] <- dest[1] // dest[1] <- src[0] // dest[0] <- dest[0] // const xImplSimd_DestRegSSE LPS; // Unpacks the low quadword [double-precision] values from src and dest into // dest, effectively moving the low portion of src into the upper portion of dest. // The result of dest is loaded as such: // dest.hi <- src.lo // dest.lo <- dest.lo [remains unchanged!] // const xImplSimd_DestRegSSE LPD; }; struct xImplSimd_InsertExtractHelper { u16 Opcode; // [SSE-4.1] Allowed with SSE registers only (MMX regs are invalid) void operator()(const xRegisterSSE& to, const xRegister32& from, u8 imm8) const; // [SSE-4.1] Allowed with SSE registers only (MMX regs are invalid) void operator()(const xRegisterSSE& to, const xIndirectVoid& from, u8 imm8) const; }; // -------------------------------------------------------------------------------------- // SimdImpl_PInsert // -------------------------------------------------------------------------------------- // PINSRW/B/D [all but Word form are SSE4.1 only!] // struct xImplSimd_PInsert { void W(const xRegisterSSE& to, const xRegister32& from, u8 imm8) const; void W(const xRegisterSSE& to, const xIndirectVoid& from, u8 imm8) const; // [SSE-4.1] Allowed with SSE registers only (MMX regs are invalid) xImplSimd_InsertExtractHelper B; // [SSE-4.1] Allowed with SSE registers only (MMX regs are invalid) xImplSimd_InsertExtractHelper D; }; ////////////////////////////////////////////////////////////////////////////////////////// // PEXTRW/B/D [all but Word form are SSE4.1 only!] // // Note: Word form's indirect memory form is only available in SSE4.1. // struct SimdImpl_PExtract { // Copies the word element specified by imm8 from src to dest. The upper bits // of dest are zero-extended (cleared). This can be used to extract any single packed // word value from src into an x86 32 bit register. // // [SSE-4.1] Note: Indirect memory forms of this instruction are an SSE-4.1 extension! // void W(const xRegister32& to, const xRegisterSSE& from, u8 imm8) const; void W(const xIndirectVoid& dest, const xRegisterSSE& from, u8 imm8) const; // [SSE-4.1] Copies the byte element specified by imm8 from src to dest. The upper bits // of dest are zero-extended (cleared). This can be used to extract any single packed // byte value from src into an x86 32 bit register. const xImplSimd_InsertExtractHelper B; // [SSE-4.1] Copies the dword element specified by imm8 from src to dest. This can be // used to extract any single packed dword value from src into an x86 32 bit register. const xImplSimd_InsertExtractHelper D; }; } // namespace x86Emitter