mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2024-11-15 22:09:19 -07:00
7ad9027593
Add some magic to the fault handler to handle stack overflow due to BLR optimization, and disable the optimization if fastmem is not enabled.
832 lines
26 KiB
C++
832 lines
26 KiB
C++
// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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// WARNING - THIS LIBRARY IS NOT THREAD SAFE!!!
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#pragma once
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#include <cstddef>
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#include <cstring>
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#include <functional>
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#include "Common/CodeBlock.h"
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#include "Common/CommonTypes.h"
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namespace Gen
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{
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enum X64Reg
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{
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EAX = 0, EBX = 3, ECX = 1, EDX = 2,
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ESI = 6, EDI = 7, EBP = 5, ESP = 4,
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RAX = 0, RBX = 3, RCX = 1, RDX = 2,
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RSI = 6, RDI = 7, RBP = 5, RSP = 4,
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R8 = 8, R9 = 9, R10 = 10,R11 = 11,
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R12 = 12,R13 = 13,R14 = 14,R15 = 15,
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AL = 0, BL = 3, CL = 1, DL = 2,
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SIL = 6, DIL = 7, BPL = 5, SPL = 4,
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AH = 0x104, BH = 0x107, CH = 0x105, DH = 0x106,
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AX = 0, BX = 3, CX = 1, DX = 2,
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SI = 6, DI = 7, BP = 5, SP = 4,
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XMM0=0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
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XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15,
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YMM0=0, YMM1, YMM2, YMM3, YMM4, YMM5, YMM6, YMM7,
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YMM8, YMM9, YMM10, YMM11, YMM12, YMM13, YMM14, YMM15,
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INVALID_REG = 0xFFFFFFFF
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};
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enum CCFlags
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{
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CC_O = 0,
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CC_NO = 1,
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CC_B = 2, CC_C = 2, CC_NAE = 2,
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CC_NB = 3, CC_NC = 3, CC_AE = 3,
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CC_Z = 4, CC_E = 4,
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CC_NZ = 5, CC_NE = 5,
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CC_BE = 6, CC_NA = 6,
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CC_NBE = 7, CC_A = 7,
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CC_S = 8,
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CC_NS = 9,
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CC_P = 0xA, CC_PE = 0xA,
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CC_NP = 0xB, CC_PO = 0xB,
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CC_L = 0xC, CC_NGE = 0xC,
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CC_NL = 0xD, CC_GE = 0xD,
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CC_LE = 0xE, CC_NG = 0xE,
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CC_NLE = 0xF, CC_G = 0xF
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};
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enum
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{
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NUMGPRs = 16,
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NUMXMMs = 16,
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};
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enum
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{
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SCALE_NONE = 0,
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SCALE_1 = 1,
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SCALE_2 = 2,
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SCALE_4 = 4,
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SCALE_8 = 8,
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SCALE_ATREG = 16,
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//SCALE_NOBASE_1 is not supported and can be replaced with SCALE_ATREG
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SCALE_NOBASE_2 = 34,
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SCALE_NOBASE_4 = 36,
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SCALE_NOBASE_8 = 40,
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SCALE_RIP = 0xFF,
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SCALE_IMM8 = 0xF0,
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SCALE_IMM16 = 0xF1,
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SCALE_IMM32 = 0xF2,
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SCALE_IMM64 = 0xF3,
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};
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enum NormalOp {
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nrmADD,
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nrmADC,
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nrmSUB,
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nrmSBB,
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nrmAND,
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nrmOR ,
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nrmXOR,
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nrmMOV,
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nrmTEST,
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nrmCMP,
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nrmXCHG,
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};
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enum FloatOp {
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floatLD = 0,
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floatST = 2,
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floatSTP = 3,
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floatLD80 = 5,
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floatSTP80 = 7,
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floatINVALID = -1,
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};
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class XEmitter;
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// RIP addressing does not benefit from micro op fusion on Core arch
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struct OpArg
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{
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OpArg() {} // dummy op arg, used for storage
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OpArg(u64 _offset, int _scale, X64Reg rmReg = RAX, X64Reg scaledReg = RAX)
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{
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operandReg = 0;
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scale = (u8)_scale;
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offsetOrBaseReg = (u16)rmReg;
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indexReg = (u16)scaledReg;
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//if scale == 0 never mind offsetting
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offset = _offset;
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}
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void WriteRex(XEmitter *emit, int opBits, int bits, int customOp = -1) const;
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void WriteVex(XEmitter* emit, X64Reg regOp1, X64Reg regOp2, int L, int pp, int mmmmm, int W = 0) const;
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void WriteRest(XEmitter *emit, int extraBytes=0, X64Reg operandReg=INVALID_REG, bool warn_64bit_offset = true) const;
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void WriteFloatModRM(XEmitter *emit, FloatOp op);
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void WriteSingleByteOp(XEmitter *emit, u8 op, X64Reg operandReg, int bits);
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// This one is public - must be written to
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u64 offset; // use RIP-relative as much as possible - 64-bit immediates are not available.
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u16 operandReg;
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void WriteNormalOp(XEmitter *emit, bool toRM, NormalOp op, const OpArg &operand, int bits) const;
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bool IsImm() const {return scale == SCALE_IMM8 || scale == SCALE_IMM16 || scale == SCALE_IMM32 || scale == SCALE_IMM64;}
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bool IsSimpleReg() const {return scale == SCALE_NONE;}
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bool IsSimpleReg(X64Reg reg) const
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{
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if (!IsSimpleReg())
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return false;
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return GetSimpleReg() == reg;
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}
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bool CanDoOpWith(const OpArg &other) const
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{
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if (IsSimpleReg()) return true;
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if (!IsSimpleReg() && !other.IsSimpleReg() && !other.IsImm()) return false;
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return true;
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}
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int GetImmBits() const
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{
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switch (scale)
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{
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case SCALE_IMM8: return 8;
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case SCALE_IMM16: return 16;
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case SCALE_IMM32: return 32;
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case SCALE_IMM64: return 64;
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default: return -1;
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}
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}
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X64Reg GetSimpleReg() const
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{
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if (scale == SCALE_NONE)
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return (X64Reg)offsetOrBaseReg;
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else
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return INVALID_REG;
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}
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private:
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u8 scale;
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u16 offsetOrBaseReg;
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u16 indexReg;
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};
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inline OpArg M(const void *ptr) {return OpArg((u64)ptr, (int)SCALE_RIP);}
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inline OpArg R(X64Reg value) {return OpArg(0, SCALE_NONE, value);}
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inline OpArg MatR(X64Reg value) {return OpArg(0, SCALE_ATREG, value);}
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inline OpArg MDisp(X64Reg value, int offset)
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{
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return OpArg((u32)offset, SCALE_ATREG, value);
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}
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inline OpArg MComplex(X64Reg base, X64Reg scaled, int scale, int offset)
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{
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return OpArg(offset, scale, base, scaled);
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}
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inline OpArg MScaled(X64Reg scaled, int scale, int offset)
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{
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if (scale == SCALE_1)
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return OpArg(offset, SCALE_ATREG, scaled);
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else
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return OpArg(offset, scale | 0x20, RAX, scaled);
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}
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inline OpArg MRegSum(X64Reg base, X64Reg offset)
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{
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return MComplex(base, offset, 1, 0);
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}
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inline OpArg Imm8 (u8 imm) {return OpArg(imm, SCALE_IMM8);}
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inline OpArg Imm16(u16 imm) {return OpArg(imm, SCALE_IMM16);} //rarely used
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inline OpArg Imm32(u32 imm) {return OpArg(imm, SCALE_IMM32);}
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inline OpArg Imm64(u64 imm) {return OpArg(imm, SCALE_IMM64);}
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#ifdef _ARCH_64
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inline OpArg ImmPtr(const void* imm) {return Imm64((u64)imm);}
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#else
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inline OpArg ImmPtr(const void* imm) {return Imm32((u32)imm);}
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#endif
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inline u32 PtrOffset(void* ptr, void* base)
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{
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#ifdef _ARCH_64
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s64 distance = (s64)ptr-(s64)base;
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if (distance >= 0x80000000LL ||
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distance < -0x80000000LL)
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{
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_assert_msg_(DYNA_REC, 0, "pointer offset out of range");
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return 0;
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}
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return (u32)distance;
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#else
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return (u32)ptr-(u32)base;
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#endif
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}
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//usage: int a[]; ARRAY_OFFSET(a,10)
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#define ARRAY_OFFSET(array,index) ((u32)((u64)&(array)[index]-(u64)&(array)[0]))
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//usage: struct {int e;} s; STRUCT_OFFSET(s,e)
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#define STRUCT_OFFSET(str,elem) ((u32)((u64)&(str).elem-(u64)&(str)))
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struct FixupBranch
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{
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u8 *ptr;
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int type; //0 = 8bit 1 = 32bit
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};
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enum SSECompare
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{
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EQ = 0,
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LT,
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LE,
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UNORD,
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NEQ,
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NLT,
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NLE,
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ORD,
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};
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typedef const u8* JumpTarget;
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class XEmitter
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{
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friend struct OpArg; // for Write8 etc
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private:
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u8 *code;
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void Rex(int w, int r, int x, int b);
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void WriteSimple1Byte(int bits, u8 byte, X64Reg reg);
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void WriteSimple2Byte(int bits, u8 byte1, u8 byte2, X64Reg reg);
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void WriteMulDivType(int bits, OpArg src, int ext);
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void WriteBitSearchType(int bits, X64Reg dest, OpArg src, u8 byte2, bool rep = false);
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void WriteShift(int bits, OpArg dest, OpArg &shift, int ext);
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void WriteBitTest(int bits, OpArg &dest, OpArg &index, int ext);
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void WriteMXCSR(OpArg arg, int ext);
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void WriteSSEOp(int size, u16 sseOp, bool packed, X64Reg regOp, OpArg arg, int extrabytes = 0);
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void WriteSSSE3Op(int size, u16 sseOp, bool packed, X64Reg regOp, OpArg arg, int extrabytes = 0);
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void WriteSSE41Op(int size, u16 sseOp, bool packed, X64Reg regOp, OpArg arg, int extrabytes = 0);
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void WriteAVXOp(int size, u16 sseOp, bool packed, X64Reg regOp, OpArg arg, int extrabytes = 0);
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void WriteAVXOp(int size, u16 sseOp, bool packed, X64Reg regOp1, X64Reg regOp2, OpArg arg, int extrabytes = 0);
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void WriteVEXOp(int size, u8 opPrefix, u16 op, X64Reg regOp1, X64Reg regOp2, OpArg arg, int extrabytes = 0);
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void WriteBMI1Op(int size, u8 opPrefix, u16 op, X64Reg regOp1, X64Reg regOp2, OpArg arg, int extrabytes = 0);
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void WriteBMI2Op(int size, u8 opPrefix, u16 op, X64Reg regOp1, X64Reg regOp2, OpArg arg, int extrabytes = 0);
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void WriteFloatLoadStore(int bits, FloatOp op, FloatOp op_80b, OpArg arg);
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void WriteNormalOp(XEmitter *emit, int bits, NormalOp op, const OpArg &a1, const OpArg &a2);
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void ABI_CalculateFrameSize(u32 mask, size_t rsp_alignment, size_t needed_frame_size, size_t* shadowp, size_t* subtractionp, size_t* xmm_offsetp);
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protected:
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inline void Write8(u8 value) {*code++ = value;}
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inline void Write16(u16 value) {*(u16*)code = (value); code += 2;}
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inline void Write32(u32 value) {*(u32*)code = (value); code += 4;}
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inline void Write64(u64 value) {*(u64*)code = (value); code += 8;}
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public:
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XEmitter() { code = nullptr; }
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XEmitter(u8 *code_ptr) { code = code_ptr; }
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virtual ~XEmitter() {}
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void WriteModRM(int mod, int rm, int reg);
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void WriteSIB(int scale, int index, int base);
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void SetCodePtr(u8 *ptr);
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void ReserveCodeSpace(int bytes);
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const u8 *AlignCode4();
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const u8 *AlignCode16();
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const u8 *AlignCodePage();
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const u8 *GetCodePtr() const;
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u8 *GetWritableCodePtr();
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// Looking for one of these? It's BANNED!! Some instructions are slow on modern CPU
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// INC, DEC, LOOP, LOOPNE, LOOPE, ENTER, LEAVE, XCHG, XLAT, REP MOVSB/MOVSD, REP SCASD + other string instr.,
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// INC and DEC are slow on Intel Core, but not on AMD. They create a
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// false flag dependency because they only update a subset of the flags.
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// XCHG is SLOW and should be avoided.
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// Debug breakpoint
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void INT3();
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// Do nothing
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void NOP(size_t count = 1);
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// Save energy in wait-loops on P4 only. Probably not too useful.
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void PAUSE();
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// Flag control
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void STC();
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void CLC();
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void CMC();
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// These two can not be executed in 64-bit mode on early Intel 64-bit CPU:s, only on Core2 and AMD!
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void LAHF(); // 3 cycle vector path
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void SAHF(); // direct path fast
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// Stack control
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void PUSH(X64Reg reg);
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void POP(X64Reg reg);
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void PUSH(int bits, const OpArg ®);
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void POP(int bits, const OpArg ®);
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void PUSHF();
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void POPF();
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// Flow control
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void RET();
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void RET_FAST();
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void UD2();
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FixupBranch J(bool force5bytes = false);
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void JMP(const u8 * addr, bool force5Bytes = false);
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void JMPptr(const OpArg &arg);
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void JMPself(); //infinite loop!
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#ifdef CALL
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#undef CALL
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#endif
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void CALL(const void *fnptr);
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void CALLptr(OpArg arg);
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FixupBranch J_CC(CCFlags conditionCode, bool force5bytes = false);
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//void J_CC(CCFlags conditionCode, JumpTarget target);
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void J_CC(CCFlags conditionCode, const u8* addr);
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void SetJumpTarget(const FixupBranch &branch);
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void SETcc(CCFlags flag, OpArg dest);
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// Note: CMOV brings small if any benefit on current cpus.
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void CMOVcc(int bits, X64Reg dest, OpArg src, CCFlags flag);
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// Fences
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void LFENCE();
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void MFENCE();
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void SFENCE();
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// Bit scan
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void BSF(int bits, X64Reg dest, OpArg src); //bottom bit to top bit
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void BSR(int bits, X64Reg dest, OpArg src); //top bit to bottom bit
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// Cache control
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enum PrefetchLevel
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{
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PF_NTA, //Non-temporal (data used once and only once)
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PF_T0, //All cache levels
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PF_T1, //Levels 2+ (aliased to T0 on AMD)
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PF_T2, //Levels 3+ (aliased to T0 on AMD)
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};
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void PREFETCH(PrefetchLevel level, OpArg arg);
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void MOVNTI(int bits, OpArg dest, X64Reg src);
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void MOVNTDQ(OpArg arg, X64Reg regOp);
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void MOVNTPS(OpArg arg, X64Reg regOp);
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void MOVNTPD(OpArg arg, X64Reg regOp);
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// Multiplication / division
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void MUL(int bits, OpArg src); //UNSIGNED
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void IMUL(int bits, OpArg src); //SIGNED
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void IMUL(int bits, X64Reg regOp, OpArg src);
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void IMUL(int bits, X64Reg regOp, OpArg src, OpArg imm);
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void DIV(int bits, OpArg src);
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void IDIV(int bits, OpArg src);
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// Shift
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void ROL(int bits, OpArg dest, OpArg shift);
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void ROR(int bits, OpArg dest, OpArg shift);
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void RCL(int bits, OpArg dest, OpArg shift);
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void RCR(int bits, OpArg dest, OpArg shift);
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void SHL(int bits, OpArg dest, OpArg shift);
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void SHR(int bits, OpArg dest, OpArg shift);
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void SAR(int bits, OpArg dest, OpArg shift);
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// Bit Test
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void BT(int bits, OpArg dest, OpArg index);
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void BTS(int bits, OpArg dest, OpArg index);
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void BTR(int bits, OpArg dest, OpArg index);
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void BTC(int bits, OpArg dest, OpArg index);
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// Double-Precision Shift
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void SHRD(int bits, OpArg dest, OpArg src, OpArg shift);
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void SHLD(int bits, OpArg dest, OpArg src, OpArg shift);
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// Extend EAX into EDX in various ways
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void CWD(int bits = 16);
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inline void CDQ() {CWD(32);}
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inline void CQO() {CWD(64);}
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void CBW(int bits = 8);
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inline void CWDE() {CBW(16);}
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inline void CDQE() {CBW(32);}
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// Load effective address
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void LEA(int bits, X64Reg dest, OpArg src);
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// Integer arithmetic
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void NEG (int bits, OpArg src);
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void ADD (int bits, const OpArg &a1, const OpArg &a2);
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void ADC (int bits, const OpArg &a1, const OpArg &a2);
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void SUB (int bits, const OpArg &a1, const OpArg &a2);
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void SBB (int bits, const OpArg &a1, const OpArg &a2);
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void AND (int bits, const OpArg &a1, const OpArg &a2);
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void CMP (int bits, const OpArg &a1, const OpArg &a2);
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// Bit operations
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void NOT (int bits, OpArg src);
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void OR (int bits, const OpArg &a1, const OpArg &a2);
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void XOR (int bits, const OpArg &a1, const OpArg &a2);
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void MOV (int bits, const OpArg &a1, const OpArg &a2);
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void TEST(int bits, const OpArg &a1, const OpArg &a2);
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// Are these useful at all? Consider removing.
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void XCHG(int bits, const OpArg &a1, const OpArg &a2);
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void XCHG_AHAL();
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// Byte swapping (32 and 64-bit only).
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void BSWAP(int bits, X64Reg reg);
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// Sign/zero extension
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void MOVSX(int dbits, int sbits, X64Reg dest, OpArg src); //automatically uses MOVSXD if necessary
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void MOVZX(int dbits, int sbits, X64Reg dest, OpArg src);
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// Available only on Atom or >= Haswell so far. Test with cpu_info.bMOVBE.
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void MOVBE(int dbits, const OpArg& dest, const OpArg& src);
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// Available only on AMD >= Phenom or Intel >= Haswell
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void LZCNT(int bits, X64Reg dest, OpArg src);
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// Note: this one is actually part of BMI1
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void TZCNT(int bits, X64Reg dest, OpArg src);
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// WARNING - These two take 11-13 cycles and are VectorPath! (AMD64)
|
|
void STMXCSR(OpArg memloc);
|
|
void LDMXCSR(OpArg memloc);
|
|
|
|
// Prefixes
|
|
void LOCK();
|
|
void REP();
|
|
void REPNE();
|
|
void FSOverride();
|
|
void GSOverride();
|
|
|
|
// x87
|
|
enum x87StatusWordBits {
|
|
x87_InvalidOperation = 0x1,
|
|
x87_DenormalizedOperand = 0x2,
|
|
x87_DivisionByZero = 0x4,
|
|
x87_Overflow = 0x8,
|
|
x87_Underflow = 0x10,
|
|
x87_Precision = 0x20,
|
|
x87_StackFault = 0x40,
|
|
x87_ErrorSummary = 0x80,
|
|
x87_C0 = 0x100,
|
|
x87_C1 = 0x200,
|
|
x87_C2 = 0x400,
|
|
x87_TopOfStack = 0x2000 | 0x1000 | 0x800,
|
|
x87_C3 = 0x4000,
|
|
x87_FPUBusy = 0x8000,
|
|
};
|
|
|
|
void FLD(int bits, OpArg src);
|
|
void FST(int bits, OpArg dest);
|
|
void FSTP(int bits, OpArg dest);
|
|
void FNSTSW_AX();
|
|
void FWAIT();
|
|
|
|
// SSE/SSE2: Floating point arithmetic
|
|
void ADDSS(X64Reg regOp, OpArg arg);
|
|
void ADDSD(X64Reg regOp, OpArg arg);
|
|
void SUBSS(X64Reg regOp, OpArg arg);
|
|
void SUBSD(X64Reg regOp, OpArg arg);
|
|
void MULSS(X64Reg regOp, OpArg arg);
|
|
void MULSD(X64Reg regOp, OpArg arg);
|
|
void DIVSS(X64Reg regOp, OpArg arg);
|
|
void DIVSD(X64Reg regOp, OpArg arg);
|
|
void MINSS(X64Reg regOp, OpArg arg);
|
|
void MINSD(X64Reg regOp, OpArg arg);
|
|
void MAXSS(X64Reg regOp, OpArg arg);
|
|
void MAXSD(X64Reg regOp, OpArg arg);
|
|
void SQRTSS(X64Reg regOp, OpArg arg);
|
|
void SQRTSD(X64Reg regOp, OpArg arg);
|
|
void RSQRTSS(X64Reg regOp, OpArg arg);
|
|
|
|
// SSE/SSE2: Floating point bitwise (yes)
|
|
void CMPSS(X64Reg regOp, OpArg arg, u8 compare);
|
|
void CMPSD(X64Reg regOp, OpArg arg, u8 compare);
|
|
|
|
// SSE/SSE2: Floating point packed arithmetic (x4 for float, x2 for double)
|
|
void ADDPS(X64Reg regOp, OpArg arg);
|
|
void ADDPD(X64Reg regOp, OpArg arg);
|
|
void SUBPS(X64Reg regOp, OpArg arg);
|
|
void SUBPD(X64Reg regOp, OpArg arg);
|
|
void CMPPS(X64Reg regOp, OpArg arg, u8 compare);
|
|
void CMPPD(X64Reg regOp, OpArg arg, u8 compare);
|
|
void MULPS(X64Reg regOp, OpArg arg);
|
|
void MULPD(X64Reg regOp, OpArg arg);
|
|
void DIVPS(X64Reg regOp, OpArg arg);
|
|
void DIVPD(X64Reg regOp, OpArg arg);
|
|
void MINPS(X64Reg regOp, OpArg arg);
|
|
void MINPD(X64Reg regOp, OpArg arg);
|
|
void MAXPS(X64Reg regOp, OpArg arg);
|
|
void MAXPD(X64Reg regOp, OpArg arg);
|
|
void SQRTPS(X64Reg regOp, OpArg arg);
|
|
void SQRTPD(X64Reg regOp, OpArg arg);
|
|
void RSQRTPS(X64Reg regOp, OpArg arg);
|
|
|
|
// SSE/SSE2: Floating point packed bitwise (x4 for float, x2 for double)
|
|
void ANDPS(X64Reg regOp, OpArg arg);
|
|
void ANDPD(X64Reg regOp, OpArg arg);
|
|
void ANDNPS(X64Reg regOp, OpArg arg);
|
|
void ANDNPD(X64Reg regOp, OpArg arg);
|
|
void ORPS(X64Reg regOp, OpArg arg);
|
|
void ORPD(X64Reg regOp, OpArg arg);
|
|
void XORPS(X64Reg regOp, OpArg arg);
|
|
void XORPD(X64Reg regOp, OpArg arg);
|
|
|
|
// SSE/SSE2: Shuffle components. These are tricky - see Intel documentation.
|
|
void SHUFPS(X64Reg regOp, OpArg arg, u8 shuffle);
|
|
void SHUFPD(X64Reg regOp, OpArg arg, u8 shuffle);
|
|
|
|
// SSE/SSE2: Useful alternative to shuffle in some cases.
|
|
void MOVDDUP(X64Reg regOp, OpArg arg);
|
|
|
|
void UNPCKLPS(X64Reg dest, OpArg src);
|
|
void UNPCKHPS(X64Reg dest, OpArg src);
|
|
void UNPCKLPD(X64Reg dest, OpArg src);
|
|
void UNPCKHPD(X64Reg dest, OpArg src);
|
|
|
|
// SSE/SSE2: Compares.
|
|
void COMISS(X64Reg regOp, OpArg arg);
|
|
void COMISD(X64Reg regOp, OpArg arg);
|
|
void UCOMISS(X64Reg regOp, OpArg arg);
|
|
void UCOMISD(X64Reg regOp, OpArg arg);
|
|
|
|
// SSE/SSE2: Moves. Use the right data type for your data, in most cases.
|
|
void MOVAPS(X64Reg regOp, OpArg arg);
|
|
void MOVAPD(X64Reg regOp, OpArg arg);
|
|
void MOVAPS(OpArg arg, X64Reg regOp);
|
|
void MOVAPD(OpArg arg, X64Reg regOp);
|
|
|
|
void MOVUPS(X64Reg regOp, OpArg arg);
|
|
void MOVUPD(X64Reg regOp, OpArg arg);
|
|
void MOVUPS(OpArg arg, X64Reg regOp);
|
|
void MOVUPD(OpArg arg, X64Reg regOp);
|
|
|
|
void MOVSS(X64Reg regOp, OpArg arg);
|
|
void MOVSD(X64Reg regOp, OpArg arg);
|
|
void MOVSS(OpArg arg, X64Reg regOp);
|
|
void MOVSD(OpArg arg, X64Reg regOp);
|
|
|
|
void MOVLPD(X64Reg regOp, OpArg arg);
|
|
void MOVHPD(X64Reg regOp, OpArg arg);
|
|
void MOVLPD(OpArg arg, X64Reg regOp);
|
|
void MOVHPD(OpArg arg, X64Reg regOp);
|
|
|
|
void MOVD_xmm(X64Reg dest, const OpArg &arg);
|
|
void MOVQ_xmm(X64Reg dest, OpArg arg);
|
|
void MOVD_xmm(const OpArg &arg, X64Reg src);
|
|
void MOVQ_xmm(OpArg arg, X64Reg src);
|
|
|
|
// SSE/SSE2: Generates a mask from the high bits of the components of the packed register in question.
|
|
void MOVMSKPS(X64Reg dest, OpArg arg);
|
|
void MOVMSKPD(X64Reg dest, OpArg arg);
|
|
|
|
// SSE2: Selective byte store, mask in src register. EDI/RDI specifies store address. This is a weird one.
|
|
void MASKMOVDQU(X64Reg dest, X64Reg src);
|
|
void LDDQU(X64Reg dest, OpArg src);
|
|
|
|
// SSE/SSE2: Data type conversions.
|
|
void CVTPS2PD(X64Reg dest, OpArg src);
|
|
void CVTPD2PS(X64Reg dest, OpArg src);
|
|
void CVTSS2SD(X64Reg dest, OpArg src);
|
|
void CVTSI2SS(X64Reg dest, OpArg src);
|
|
void CVTSD2SS(X64Reg dest, OpArg src);
|
|
void CVTSI2SD(X64Reg dest, OpArg src);
|
|
void CVTDQ2PD(X64Reg regOp, OpArg arg);
|
|
void CVTPD2DQ(X64Reg regOp, OpArg arg);
|
|
void CVTDQ2PS(X64Reg regOp, OpArg arg);
|
|
void CVTPS2DQ(X64Reg regOp, OpArg arg);
|
|
|
|
void CVTTPS2DQ(X64Reg regOp, OpArg arg);
|
|
void CVTTPD2DQ(X64Reg regOp, OpArg arg);
|
|
|
|
// Destinations are X64 regs (rax, rbx, ...) for these instructions.
|
|
void CVTSS2SI(X64Reg xregdest, OpArg src);
|
|
void CVTSD2SI(X64Reg xregdest, OpArg src);
|
|
void CVTTSS2SI(X64Reg xregdest, OpArg arg);
|
|
void CVTTSD2SI(X64Reg xregdest, OpArg arg);
|
|
|
|
// SSE2: Packed integer instructions
|
|
void PACKSSDW(X64Reg dest, OpArg arg);
|
|
void PACKSSWB(X64Reg dest, OpArg arg);
|
|
void PACKUSDW(X64Reg dest, OpArg arg);
|
|
void PACKUSWB(X64Reg dest, OpArg arg);
|
|
|
|
void PUNPCKLBW(X64Reg dest, const OpArg &arg);
|
|
void PUNPCKLWD(X64Reg dest, const OpArg &arg);
|
|
void PUNPCKLDQ(X64Reg dest, const OpArg &arg);
|
|
|
|
void PTEST(X64Reg dest, OpArg arg);
|
|
void PAND(X64Reg dest, OpArg arg);
|
|
void PANDN(X64Reg dest, OpArg arg);
|
|
void PXOR(X64Reg dest, OpArg arg);
|
|
void POR(X64Reg dest, OpArg arg);
|
|
|
|
void PADDB(X64Reg dest, OpArg arg);
|
|
void PADDW(X64Reg dest, OpArg arg);
|
|
void PADDD(X64Reg dest, OpArg arg);
|
|
void PADDQ(X64Reg dest, OpArg arg);
|
|
|
|
void PADDSB(X64Reg dest, OpArg arg);
|
|
void PADDSW(X64Reg dest, OpArg arg);
|
|
void PADDUSB(X64Reg dest, OpArg arg);
|
|
void PADDUSW(X64Reg dest, OpArg arg);
|
|
|
|
void PSUBB(X64Reg dest, OpArg arg);
|
|
void PSUBW(X64Reg dest, OpArg arg);
|
|
void PSUBD(X64Reg dest, OpArg arg);
|
|
void PSUBQ(X64Reg dest, OpArg arg);
|
|
|
|
void PSUBSB(X64Reg dest, OpArg arg);
|
|
void PSUBSW(X64Reg dest, OpArg arg);
|
|
void PSUBUSB(X64Reg dest, OpArg arg);
|
|
void PSUBUSW(X64Reg dest, OpArg arg);
|
|
|
|
void PAVGB(X64Reg dest, OpArg arg);
|
|
void PAVGW(X64Reg dest, OpArg arg);
|
|
|
|
void PCMPEQB(X64Reg dest, OpArg arg);
|
|
void PCMPEQW(X64Reg dest, OpArg arg);
|
|
void PCMPEQD(X64Reg dest, OpArg arg);
|
|
|
|
void PCMPGTB(X64Reg dest, OpArg arg);
|
|
void PCMPGTW(X64Reg dest, OpArg arg);
|
|
void PCMPGTD(X64Reg dest, OpArg arg);
|
|
|
|
void PEXTRW(X64Reg dest, OpArg arg, u8 subreg);
|
|
void PINSRW(X64Reg dest, OpArg arg, u8 subreg);
|
|
|
|
void PMADDWD(X64Reg dest, OpArg arg);
|
|
void PSADBW(X64Reg dest, OpArg arg);
|
|
|
|
void PMAXSW(X64Reg dest, OpArg arg);
|
|
void PMAXUB(X64Reg dest, OpArg arg);
|
|
void PMINSW(X64Reg dest, OpArg arg);
|
|
void PMINUB(X64Reg dest, OpArg arg);
|
|
|
|
void PMOVMSKB(X64Reg dest, OpArg arg);
|
|
void PSHUFB(X64Reg dest, OpArg arg);
|
|
|
|
void PSHUFLW(X64Reg dest, OpArg arg, u8 shuffle);
|
|
|
|
void PSRLW(X64Reg reg, int shift);
|
|
void PSRLD(X64Reg reg, int shift);
|
|
void PSRLQ(X64Reg reg, int shift);
|
|
void PSRLQ(X64Reg reg, OpArg arg);
|
|
|
|
void PSLLW(X64Reg reg, int shift);
|
|
void PSLLD(X64Reg reg, int shift);
|
|
void PSLLQ(X64Reg reg, int shift);
|
|
|
|
void PSRAW(X64Reg reg, int shift);
|
|
void PSRAD(X64Reg reg, int shift);
|
|
|
|
// SSE4: data type conversions
|
|
void PMOVSXBW(X64Reg dest, OpArg arg);
|
|
void PMOVSXBD(X64Reg dest, OpArg arg);
|
|
void PMOVSXBQ(X64Reg dest, OpArg arg);
|
|
void PMOVSXWD(X64Reg dest, OpArg arg);
|
|
void PMOVSXWQ(X64Reg dest, OpArg arg);
|
|
void PMOVSXDQ(X64Reg dest, OpArg arg);
|
|
void PMOVZXBW(X64Reg dest, OpArg arg);
|
|
void PMOVZXBD(X64Reg dest, OpArg arg);
|
|
void PMOVZXBQ(X64Reg dest, OpArg arg);
|
|
void PMOVZXWD(X64Reg dest, OpArg arg);
|
|
void PMOVZXWQ(X64Reg dest, OpArg arg);
|
|
void PMOVZXDQ(X64Reg dest, OpArg arg);
|
|
|
|
// SSE4: variable blend instructions (xmm0 implicit argument)
|
|
void PBLENDVB(X64Reg dest, OpArg arg);
|
|
void BLENDVPS(X64Reg dest, OpArg arg);
|
|
void BLENDVPD(X64Reg dest, OpArg arg);
|
|
|
|
// AVX
|
|
void VADDSD(X64Reg regOp1, X64Reg regOp2, OpArg arg);
|
|
void VSUBSD(X64Reg regOp1, X64Reg regOp2, OpArg arg);
|
|
void VMULSD(X64Reg regOp1, X64Reg regOp2, OpArg arg);
|
|
void VDIVSD(X64Reg regOp1, X64Reg regOp2, OpArg arg);
|
|
void VSQRTSD(X64Reg regOp1, X64Reg regOp2, OpArg arg);
|
|
void VPAND(X64Reg regOp1, X64Reg regOp2, OpArg arg);
|
|
void VPANDN(X64Reg regOp1, X64Reg regOp2, OpArg arg);
|
|
|
|
// VEX GPR instructions
|
|
void SARX(int bits, X64Reg regOp1, OpArg arg, X64Reg regOp2);
|
|
void SHLX(int bits, X64Reg regOp1, OpArg arg, X64Reg regOp2);
|
|
void SHRX(int bits, X64Reg regOp1, OpArg arg, X64Reg regOp2);
|
|
void RORX(int bits, X64Reg regOp, OpArg arg, u8 rotate);
|
|
void PEXT(int bits, X64Reg regOp1, X64Reg regOp2, OpArg arg);
|
|
void PDEP(int bits, X64Reg regOp1, X64Reg regOp2, OpArg arg);
|
|
void MULX(int bits, X64Reg regOp1, X64Reg regOp2, OpArg arg);
|
|
void BZHI(int bits, X64Reg regOp1, OpArg arg, X64Reg regOp2);
|
|
void BLSR(int bits, X64Reg regOp, OpArg arg);
|
|
void BLSMSK(int bits, X64Reg regOp, OpArg arg);
|
|
void BLSI(int bits, X64Reg regOp, OpArg arg);
|
|
void BEXTR(int bits, X64Reg regOp1, OpArg arg, X64Reg regOp2);
|
|
void ANDN(int bits, X64Reg regOp1, X64Reg regOp2, OpArg arg);
|
|
|
|
void RDTSC();
|
|
|
|
// Utility functions
|
|
// The difference between this and CALL is that this aligns the stack
|
|
// where appropriate.
|
|
void ABI_CallFunction(void *func);
|
|
|
|
void ABI_CallFunctionC16(void *func, u16 param1);
|
|
void ABI_CallFunctionCC16(void *func, u32 param1, u16 param2);
|
|
|
|
// These only support u32 parameters, but that's enough for a lot of uses.
|
|
// These will destroy the 1 or 2 first "parameter regs".
|
|
void ABI_CallFunctionC(void *func, u32 param1);
|
|
void ABI_CallFunctionCC(void *func, u32 param1, u32 param2);
|
|
void ABI_CallFunctionCP(void *func, u32 param1, void *param2);
|
|
void ABI_CallFunctionCCC(void *func, u32 param1, u32 param2, u32 param3);
|
|
void ABI_CallFunctionCCP(void *func, u32 param1, u32 param2, void *param3);
|
|
void ABI_CallFunctionCCCP(void *func, u32 param1, u32 param2,u32 param3, void *param4);
|
|
void ABI_CallFunctionPC(void *func, void *param1, u32 param2);
|
|
void ABI_CallFunctionPPC(void *func, void *param1, void *param2,u32 param3);
|
|
void ABI_CallFunctionAC(void *func, const OpArg &arg1, u32 param2);
|
|
void ABI_CallFunctionA(void *func, const OpArg &arg1);
|
|
|
|
// Pass a register as a parameter.
|
|
void ABI_CallFunctionR(void *func, X64Reg reg1);
|
|
void ABI_CallFunctionRR(void *func, X64Reg reg1, X64Reg reg2);
|
|
|
|
// Helper method for the above, or can be used separately.
|
|
void MOVTwo(int bits, Gen::X64Reg dst1, Gen::X64Reg src1, Gen::X64Reg dst2, Gen::X64Reg src2);
|
|
|
|
// Saves/restores the registers and adjusts the stack to be aligned as
|
|
// required by the ABI, where the previous alignment was as specified.
|
|
// Push returns the size of the shadow space, i.e. the offset of the frame.
|
|
size_t ABI_PushRegistersAndAdjustStack(u32 mask, size_t rsp_alignment, size_t needed_frame_size = 0);
|
|
void ABI_PopRegistersAndAdjustStack(u32 mask, size_t rsp_alignment, size_t needed_frame_size = 0);
|
|
|
|
inline int ABI_GetNumXMMRegs() { return 16; }
|
|
|
|
// Strange call wrappers.
|
|
void CallCdeclFunction3(void* fnptr, u32 arg0, u32 arg1, u32 arg2);
|
|
void CallCdeclFunction4(void* fnptr, u32 arg0, u32 arg1, u32 arg2, u32 arg3);
|
|
void CallCdeclFunction5(void* fnptr, u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 arg4);
|
|
void CallCdeclFunction6(void* fnptr, u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 arg4, u32 arg5);
|
|
|
|
// Comments from VertexLoader.cpp about these horrors:
|
|
|
|
// This is a horrible hack that is necessary in 64-bit mode because Opengl32.dll is based way, way above the 32-bit
|
|
// address space that is within reach of a CALL, and just doing &fn gives us these high uncallable addresses. So we
|
|
// want to grab the function pointers from the import table instead.
|
|
|
|
void ___CallCdeclImport3(void* impptr, u32 arg0, u32 arg1, u32 arg2);
|
|
void ___CallCdeclImport4(void* impptr, u32 arg0, u32 arg1, u32 arg2, u32 arg3);
|
|
void ___CallCdeclImport5(void* impptr, u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 arg4);
|
|
void ___CallCdeclImport6(void* impptr, u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 arg4, u32 arg5);
|
|
|
|
#define CallCdeclFunction3_I(a,b,c,d) ___CallCdeclImport3(&__imp_##a,b,c,d)
|
|
#define CallCdeclFunction4_I(a,b,c,d,e) ___CallCdeclImport4(&__imp_##a,b,c,d,e)
|
|
#define CallCdeclFunction5_I(a,b,c,d,e,f) ___CallCdeclImport5(&__imp_##a,b,c,d,e,f)
|
|
#define CallCdeclFunction6_I(a,b,c,d,e,f,g) ___CallCdeclImport6(&__imp_##a,b,c,d,e,f,g)
|
|
|
|
#define DECLARE_IMPORT(x) extern "C" void *__imp_##x
|
|
|
|
// Utility to generate a call to a std::function object.
|
|
//
|
|
// Unfortunately, calling operator() directly is undefined behavior in C++
|
|
// (this method might be a thunk in the case of multi-inheritance) so we
|
|
// have to go through a trampoline function.
|
|
template <typename T, typename... Args>
|
|
static void CallLambdaTrampoline(const std::function<T(Args...)>* f,
|
|
Args... args)
|
|
{
|
|
(*f)(args...);
|
|
}
|
|
|
|
template <typename T, typename... Args>
|
|
void ABI_CallLambdaC(const std::function<T(Args...)>* f, u32 p1)
|
|
{
|
|
// Double casting is required by VC++ for some reason.
|
|
auto trampoline = (void(*)())&XEmitter::CallLambdaTrampoline<T, Args...>;
|
|
ABI_CallFunctionPC((void*)trampoline, const_cast<void*>((const void*)f), p1);
|
|
}
|
|
}; // class XEmitter
|
|
|
|
class X64CodeBlock : public CodeBlock<XEmitter>
|
|
{
|
|
private:
|
|
void PoisonMemory() override
|
|
{
|
|
// x86/64: 0xCC = breakpoint
|
|
memset(region, 0xCC, region_size);
|
|
}
|
|
};
|
|
|
|
} // namespace
|