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dpavlin |
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/* |
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* PearPC |
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* x86asm.h |
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* |
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* Copyright (C) 2004 Sebastian Biallas (sb@biallas.net) |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* 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 |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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#ifndef __X86ASM_H__ |
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#define __X86ASM_H__ |
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#include "system/types.h" |
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#include "ppc_cpu.h" |
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#include "jitc_types.h" |
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/* FSCALE is also defined in FreeBSD's sys/param.h */ |
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#ifdef FSCALE |
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#undef FSCALE |
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#endif /* FSCALE */ |
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typedef byte modrm_o[8]; |
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typedef byte *modrm_p; |
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enum NativeReg { |
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EAX = 0, |
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ECX = 1, |
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EDX = 2, |
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EBX = 3, |
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ESP = 4, // don't mess with me, buddy |
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EBP = 5, |
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ESI = 6, |
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EDI = 7, |
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REG_NO = 0xffffffff, |
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}; |
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enum NativeReg16 { |
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AX = 0, |
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CX = 1, |
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DX = 2, |
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BX = 3, |
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SP = 4, // don't mess with me, buddy |
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BP = 5, |
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SI = 6, |
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DI = 7, |
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REG16_NO = 0xffffffff, |
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}; |
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enum NativeReg8 { |
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AL = 0, |
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CL = 1, |
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DL = 2, |
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BL = 3, |
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AH = 4, |
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CH = 5, |
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DH = 6, |
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BH = 7, |
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REG8_NO = 0xffffffff, |
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}; |
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#define NATIVE_REG_8 (1<<8) // eax,ecx,edx,ebx -> al,cl,dl,bl |
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#define NATIVE_REG (2<<8) // used as a bitmask to specify register |
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#define NATIVE_REG_PREFER (4<<8) // used as a bitmask to specify register |
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#define NATIVE_REGS_ALL 0 |
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struct X86CPUCaps { |
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char vendor[13]; |
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bool rdtsc; |
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bool cmov; |
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bool mmx; |
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bool _3dnow; |
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bool _3dnow2; |
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bool sse; |
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bool sse2; |
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bool sse3; |
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bool ssse3; |
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bool sse4; |
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int loop_align; |
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}; |
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void x86GetCaps(X86CPUCaps &caps); |
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NativeReg FASTCALL jitcAllocRegister(int options = 0); |
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NativeReg FASTCALL jitcDirtyRegister(NativeReg reg); |
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NativeReg FASTCALL jitcMapClientRegisterDirty(PPC_Register creg, int options = 0); |
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NativeReg FASTCALL jitcGetClientRegister(PPC_Register creg, int options = 0); |
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NativeReg FASTCALL jitcGetClientRegisterDirty(PPC_Register reg, int options = 0); |
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NativeReg FASTCALL jitcGetClientRegisterMapping(PPC_Register creg); |
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void FASTCALL jitcFlushAll(); |
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void FASTCALL jitcClobberAll(); |
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void FASTCALL jitcInvalidateAll(); |
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void FASTCALL jitcTouchRegister(NativeReg reg); |
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void FASTCALL jitcFlushRegister(int options = NATIVE_REGS_ALL); |
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void FASTCALL jitcFlushRegisterDirty(int options = NATIVE_REGS_ALL); |
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void FASTCALL jitcClobberRegister(int options = NATIVE_REGS_ALL); |
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void FASTCALL jitcGetClientCarry(); |
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void FASTCALL jitcMapFlagsDirty(PPC_CRx cr = PPC_CR0); |
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void FASTCALL jitcMapCarryDirty(); |
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void FASTCALL jitcClobberFlags(); |
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void FASTCALL jitcClobberCarry(); |
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void FASTCALL jitcClobberCarryAndFlags(); |
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void FASTCALL jitcFlushCarryAndFlagsDirty(); // ONLY FOR DEBUG! DON'T CALL! |
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PPC_CRx FASTCALL jitcGetFlagsMapping(); |
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bool FASTCALL jitcFlagsMapped(); |
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bool FASTCALL jitcCarryMapped(); |
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void FASTCALL jitcFlushFlagsAfterCMPL_L(int disp); |
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void FASTCALL jitcFlushFlagsAfterCMPL_U(int disp); |
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void FASTCALL jitcFlushFlagsAfterCMP_L(int disp); |
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void FASTCALL jitcFlushFlagsAfterCMP_U(int disp); |
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enum X86ALUopc { |
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X86_ADC = 2, |
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X86_ADD = 0, |
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X86_AND = 4, |
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X86_MOV = 8, |
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X86_CMP = 7, |
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X86_OR = 1, |
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X86_SBB = 3, |
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X86_SUB = 5, |
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X86_TEST = 9, |
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X86_XCHG = 10, |
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X86_XOR = 6, |
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}; |
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enum X86ALUopc1 { |
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X86_NOT, |
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X86_NEG, |
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X86_MUL, |
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X86_IMUL, |
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X86_DIV, |
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X86_IDIV, |
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}; |
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enum X86MOVxx { |
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X86_MOVSX = 0xbe, |
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X86_MOVZX = 0xb6, |
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}; |
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enum X86SimpleOpc { |
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X86_CBW = 0x9866, |
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X86_CWDE = 0x98, |
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X86_CWD = 0x9966, |
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X86_CDQ = 0x99, |
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X86_CMC = 0xf5, |
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X86_LAHF = 0x9f, |
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X86_PUSHA = 0x60, |
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X86_POPA = 0x61, |
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X86_PUSHF = 0x9c, |
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X86_POPF = 0x9d, |
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X86_RET = 0xc3, |
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X86_STC = 0xf9, |
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}; |
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enum X86FlagTest { |
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X86_O = 0, |
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X86_NO = 1, |
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X86_B = 2, |
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X86_C = 2, |
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X86_NAE = 2, |
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X86_NB = 3, |
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X86_NC = 3, |
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X86_AE = 3, |
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X86_E = 4, |
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X86_Z = 4, |
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X86_NE = 5, |
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X86_NZ = 5, |
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X86_NA = 6, |
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X86_BE = 6, |
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X86_A = 7, |
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X86_NBE = 7, |
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X86_S = 8, |
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X86_NS = 9, |
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X86_PE = 10, |
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X86_PO = 11, |
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X86_L = 12, |
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X86_NGE = 12, |
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X86_NL = 13, |
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X86_GE = 13, |
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X86_NG = 14, |
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X86_LE = 14, |
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X86_G = 15, |
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X86_NLE = 15, |
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}; |
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NativeAddress FASTCALL asmHERE(); |
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#ifndef X86ASM_V2_ONLY |
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/* Begin: X86Asm v1.0 */ |
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void FASTCALL asmALURegReg(X86ALUopc opc, NativeReg reg1, NativeReg reg2); |
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void FASTCALL asmALURegImm(X86ALUopc opc, NativeReg reg1, uint32 imm); |
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void FASTCALL asmALUMemReg(X86ALUopc opc, byte *modrm, int len, NativeReg reg2); |
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void FASTCALL asmALUMemImm(X86ALUopc opc, byte *modrm, int len, uint32 imm); |
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void FASTCALL asmALURegMem(X86ALUopc opc, NativeReg reg1, byte *modrm, int len); |
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void FASTCALL asmALUReg(X86ALUopc1 opc, NativeReg reg1); |
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void FASTCALL asmALURegReg16(X86ALUopc opc, NativeReg reg1, NativeReg reg2); |
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void FASTCALL asmALURegImm16(X86ALUopc opc, NativeReg reg1, uint32 imm); |
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void FASTCALL asmALUMemReg16(X86ALUopc opc, byte *modrm, int len, NativeReg reg2); |
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void FASTCALL asmALUMemImm16(X86ALUopc opc, byte *modrm, int len, uint32 imm); |
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void FASTCALL asmALURegMem16(X86ALUopc opc, NativeReg reg1, byte *modrm, int len); |
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void FASTCALL asmALUReg16(X86ALUopc1 opc, NativeReg reg1); |
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void FASTCALL asmMOVRegImm_NoFlags(NativeReg reg1, uint32 imm); |
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void FASTCALL asmMOVRegImm16_NoFlags(NativeReg reg1, uint16 imm); |
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void FASTCALL asmCMOVRegReg(X86FlagTest flags, NativeReg reg1, NativeReg reg2); |
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void FASTCALL asmCMOVRegMem(X86FlagTest flags, NativeReg reg1, byte *modrm, int len); |
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void FASTCALL asmSETReg8(X86FlagTest flags, NativeReg8 reg1); |
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void FASTCALL asmSETMem(X86FlagTest flags, byte *modrm, int len); |
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void FASTCALL asmALURegReg8(X86ALUopc opc, NativeReg8 reg1, NativeReg8 reg2); |
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void FASTCALL asmALURegImm8(X86ALUopc opc, NativeReg8 reg1, uint8 imm); |
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void FASTCALL asmALURegMem8(X86ALUopc opc, NativeReg8 reg1, byte *modrm, int len); |
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void FASTCALL asmALUMemReg8(X86ALUopc opc, byte *modrm, int len, NativeReg8 reg2); |
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void FASTCALL asmALUMemImm8(X86ALUopc opc, byte *modrm, int len, uint8 imm); |
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void FASTCALL asmMOVDMemReg(uint32 disp, NativeReg reg1); |
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void FASTCALL asmMOVDMemReg16(uint32 disp, NativeReg reg1); |
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void FASTCALL asmMOVRegDMem(NativeReg reg1, uint32 disp); |
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void FASTCALL asmMOVRegDMem16(NativeReg reg1, uint32 disp); |
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void FASTCALL asmTESTDMemImm(uint32 disp, uint32 imm); |
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void FASTCALL asmANDDMemImm(uint32 disp, uint32 imm); |
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void FASTCALL asmORDMemImm(uint32 disp, uint32 imm); |
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void FASTCALL asmMOVxxRegReg8(X86MOVxx opc, NativeReg reg1, NativeReg8 reg2); |
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void FASTCALL asmMOVxxRegReg16(X86MOVxx opc, NativeReg reg1, NativeReg reg2); |
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void FASTCALL asmMOVxxRegMem8(X86MOVxx opc, NativeReg reg1, byte *modrm, int len); |
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void FASTCALL asmMOVxxRegMem16(X86MOVxx opc, NativeReg reg1, byte *modrm, int len); |
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/* END: X86Asm v1.0 */ |
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#endif // X86ASM_V2_ONLY |
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/* BEGIN: X86Asm v2.0 */ |
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void FASTCALL asmNOP(int n); // v2.0 also |
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void FASTCALL asmALU(X86ALUopc opc, NativeReg reg1, NativeReg reg2); |
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void FASTCALL asmALU(X86ALUopc opc, NativeReg reg1, uint32 imm); |
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void FASTCALL asmALU(X86ALUopc opc, modrm_p modrm, NativeReg reg2); |
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void FASTCALL asmALU_D(X86ALUopc opc, modrm_p modrm, uint32 imm); |
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void FASTCALL asmALU(X86ALUopc opc, NativeReg reg1, modrm_p modrm); |
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void FASTCALL asmALU(X86ALUopc1 opc, NativeReg reg1); |
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void FASTCALL asmALU(X86ALUopc opc, NativeReg16 reg1, NativeReg16 reg2); |
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void FASTCALL asmALU(X86ALUopc opc, NativeReg16 reg1, uint16 imm); |
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void FASTCALL asmALU(X86ALUopc opc, modrm_p modrm, NativeReg16 reg2); |
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void FASTCALL asmALU_W(X86ALUopc opc, modrm_p modrm, uint16 imm); |
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void FASTCALL asmALU(X86ALUopc opc, NativeReg16 reg1, modrm_p modrm); |
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void FASTCALL asmALU(X86ALUopc1 opc, NativeReg16 reg1); |
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void FASTCALL asmMOV_NoFlags(NativeReg reg1, uint32 imm); |
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void FASTCALL asmMOV_NoFlags(NativeReg16 reg1, uint16 imm); |
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void FASTCALL asmCMOV(X86FlagTest flags, NativeReg reg1, NativeReg reg2); |
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void FASTCALL asmCMOV(X86FlagTest flags, NativeReg reg1, modrm_p modrm); |
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void FASTCALL asmSET(X86FlagTest flags, NativeReg8 reg1); |
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void FASTCALL asmSET(X86FlagTest flags, modrm_p modrm); |
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void FASTCALL asmALU(X86ALUopc opc, NativeReg8 reg1, NativeReg8 reg2); |
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void FASTCALL asmALU(X86ALUopc opc, NativeReg8 reg1, uint8 imm); |
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void FASTCALL asmALU(X86ALUopc opc, NativeReg8 reg1, modrm_p modrm); |
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void FASTCALL asmALU(X86ALUopc opc, modrm_p modrm, NativeReg8 reg2); |
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void FASTCALL asmALU_B(X86ALUopc opc, modrm_p modrm, uint8 imm); |
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void FASTCALL asmMOV(const void *disp, NativeReg reg1); |
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void FASTCALL asmMOV(const void *disp, NativeReg16 reg1); |
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void FASTCALL asmMOV(NativeReg reg1, const void *disp); |
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void FASTCALL asmMOV(NativeReg16 reg1, const void *disp); |
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void FASTCALL asmTEST(const void *disp, uint32 imm); |
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void FASTCALL asmAND(const void *disp, uint32 imm); |
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void FASTCALL asmOR(const void *disp, uint32 imm); |
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void FASTCALL asmMOVxx(X86MOVxx opc, NativeReg reg1, NativeReg8 reg2); |
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void FASTCALL asmMOVxx(X86MOVxx opc, NativeReg reg1, NativeReg16 reg2); |
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void FASTCALL asmMOVxx_B(X86MOVxx opc, NativeReg reg1, modrm_p modrm); |
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void FASTCALL asmMOVxx_W(X86MOVxx opc, NativeReg reg1, modrm_p modrm); |
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void FASTCALL asmSimple(X86SimpleOpc simple); |
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/* End: X86Asm v2.0 */ |
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enum X86ShiftOpc { |
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X86_ROL = 0x00, |
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X86_ROR = 0x08, |
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X86_RCL = 0x10, |
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X86_RCR = 0x18, |
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X86_SHL = 0x20, |
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X86_SHR = 0x28, |
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X86_SAL = 0x20, |
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X86_SAR = 0x38, |
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}; |
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enum X86BitTest { |
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X86_BT = 4, |
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X86_BTC = 7, |
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X86_BTR = 6, |
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X86_BTS = 5, |
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}; |
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enum X86BitSearch { |
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X86_BSF = 0xbc, |
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X86_BSR = 0xbd, |
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}; |
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#ifndef X86ASM_V2_ONLY |
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/* Begin: X86Asm v1.0 */ |
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void FASTCALL asmShiftRegImm(X86ShiftOpc opc, NativeReg reg1, uint32 imm); |
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void FASTCALL asmShiftRegCL(X86ShiftOpc opc, NativeReg reg1); |
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void FASTCALL asmShiftReg16Imm(X86ShiftOpc opc, NativeReg reg1, uint32 imm); |
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|
void FASTCALL asmShiftReg16CL(X86ShiftOpc opc, NativeReg reg1); |
| 316 |
|
|
void FASTCALL asmShiftReg8Imm(X86ShiftOpc opc, NativeReg8 reg1, uint32 imm); |
| 317 |
|
|
void FASTCALL asmShiftReg8CL(X86ShiftOpc opc, NativeReg8 reg1); |
| 318 |
|
|
void FASTCALL asmINCReg(NativeReg reg1); |
| 319 |
|
|
void FASTCALL asmDECReg(NativeReg reg1); |
| 320 |
|
|
|
| 321 |
|
|
void FASTCALL asmIMULRegRegImm(NativeReg reg1, NativeReg reg2, uint32 imm); |
| 322 |
|
|
void FASTCALL asmIMULRegReg(NativeReg reg1, NativeReg reg2); |
| 323 |
|
|
|
| 324 |
|
|
void FASTCALL asmLEA(NativeReg reg1, byte *modrm, int len); |
| 325 |
|
|
void FASTCALL asmBTxRegImm(X86BitTest opc, NativeReg reg1, int value); |
| 326 |
|
|
void FASTCALL asmBTxMemImm(X86BitTest opc, byte *modrm, int len, int value); |
| 327 |
|
|
void FASTCALL asmBSxRegReg(X86BitSearch opc, NativeReg reg1, NativeReg reg2); |
| 328 |
|
|
/* End: X86Asm v1.0 */ |
| 329 |
|
|
#endif // X86ASM_V2_ONLY |
| 330 |
|
|
|
| 331 |
|
|
/* Begin: X86Asm v2.0 */ |
| 332 |
|
|
void FASTCALL asmShift(X86ShiftOpc opc, NativeReg reg1, uint32 imm); |
| 333 |
|
|
void FASTCALL asmShift_CL(X86ShiftOpc opc, NativeReg reg1); |
| 334 |
|
|
void FASTCALL asmShift(X86ShiftOpc opc, NativeReg16 reg1, uint32 imm); |
| 335 |
|
|
void FASTCALL asmShift_CL(X86ShiftOpc opc, NativeReg16 reg1); |
| 336 |
|
|
void FASTCALL asmShift(X86ShiftOpc opc, NativeReg8 reg1, uint32 imm); |
| 337 |
|
|
void FASTCALL asmShift_CL(X86ShiftOpc opc, NativeReg8 reg1); |
| 338 |
|
|
void FASTCALL asmINC(NativeReg reg1); |
| 339 |
|
|
void FASTCALL asmDEC(NativeReg reg1); |
| 340 |
|
|
|
| 341 |
|
|
void FASTCALL asmIMUL(NativeReg reg1, NativeReg reg2, uint32 imm); |
| 342 |
|
|
void FASTCALL asmIMUL(NativeReg reg1, NativeReg reg2); |
| 343 |
|
|
|
| 344 |
|
|
void FASTCALL asmLEA(NativeReg reg1, modrm_p modrm); |
| 345 |
|
|
void FASTCALL asmBTx(X86BitTest opc, NativeReg reg1, int value); |
| 346 |
|
|
void FASTCALL asmBTx(X86BitTest opc, modrm_p modrm, int value); |
| 347 |
|
|
void FASTCALL asmBSx(X86BitSearch opc, NativeReg reg1, NativeReg reg2); |
| 348 |
|
|
/* End: X86Asm v2.0 */ |
| 349 |
|
|
|
| 350 |
|
|
void FASTCALL asmBSWAP(NativeReg reg); |
| 351 |
|
|
|
| 352 |
|
|
void FASTCALL asmJMP(NativeAddress to); |
| 353 |
|
|
void FASTCALL asmJxx(X86FlagTest flags, NativeAddress to); |
| 354 |
|
|
NativeAddress FASTCALL asmJMPFixup(); |
| 355 |
|
|
NativeAddress FASTCALL asmJxxFixup(X86FlagTest flags); |
| 356 |
|
|
void FASTCALL asmCALL(NativeAddress to); |
| 357 |
|
|
|
| 358 |
|
|
void FASTCALL asmResolveFixup(NativeAddress at, NativeAddress to=0); |
| 359 |
|
|
|
| 360 |
|
|
enum NativeFloatReg { |
| 361 |
|
|
Float_ST0=0, |
| 362 |
|
|
Float_ST1=1, |
| 363 |
|
|
Float_ST2=2, |
| 364 |
|
|
Float_ST3=3, |
| 365 |
|
|
Float_ST4=4, |
| 366 |
|
|
Float_ST5=5, |
| 367 |
|
|
Float_ST6=6, |
| 368 |
|
|
Float_ST7=7, |
| 369 |
|
|
}; |
| 370 |
|
|
|
| 371 |
|
|
#define X86_FLOAT_ST(i) ((NativeFloatReg)(i)) |
| 372 |
|
|
|
| 373 |
|
|
typedef int JitcFloatReg; |
| 374 |
|
|
#define JITC_FLOAT_REG_NONE 0 |
| 375 |
|
|
|
| 376 |
|
|
NativeFloatReg FASTCALL jitcFloatRegisterToNative(JitcFloatReg r); |
| 377 |
|
|
bool FASTCALL jitcFloatRegisterIsTOP(JitcFloatReg r); |
| 378 |
|
|
JitcFloatReg FASTCALL jitcFloatRegisterXCHGToFront(JitcFloatReg r); |
| 379 |
|
|
JitcFloatReg FASTCALL jitcFloatRegisterDirty(JitcFloatReg r); |
| 380 |
|
|
void FASTCALL jitcFloatRegisterInvalidate(JitcFloatReg r); |
| 381 |
|
|
JitcFloatReg FASTCALL jitcFloatRegisterDup(JitcFloatReg r, JitcFloatReg hint=JITC_FLOAT_REG_NONE); |
| 382 |
|
|
void FASTCALL jitcFloatRegisterClobberAll(); |
| 383 |
|
|
void FASTCALL jitcFloatRegisterStoreAndPopTOP(JitcFloatReg r); |
| 384 |
|
|
|
| 385 |
|
|
void FASTCALL jitcPopFloatStack(JitcFloatReg hint1, JitcFloatReg hint2); |
| 386 |
|
|
void FASTCALL jitcClobberClientRegisterForFloat(int creg); |
| 387 |
|
|
void FASTCALL jitcInvalidateClientRegisterForFloat(int creg); |
| 388 |
|
|
JitcFloatReg FASTCALL jitcGetClientFloatRegisterMapping(int creg); |
| 389 |
|
|
JitcFloatReg FASTCALL jitcGetClientFloatRegister(int creg, JitcFloatReg hint1=JITC_FLOAT_REG_NONE, JitcFloatReg hint1=JITC_FLOAT_REG_NONE); |
| 390 |
|
|
JitcFloatReg FASTCALL jitcGetClientFloatRegisterUnmapped(int creg, JitcFloatReg hint1=JITC_FLOAT_REG_NONE, JitcFloatReg hint1=JITC_FLOAT_REG_NONE); |
| 391 |
|
|
JitcFloatReg FASTCALL jitcMapClientFloatRegisterDirty(int creg, JitcFloatReg freg=JITC_FLOAT_REG_NONE); |
| 392 |
|
|
|
| 393 |
|
|
enum X86FloatFlagTest { |
| 394 |
|
|
X86_FB=0, |
| 395 |
|
|
X86_FE=1, |
| 396 |
|
|
X86_FBE=2, |
| 397 |
|
|
X86_FU=3, |
| 398 |
|
|
X86_FNB=4, |
| 399 |
|
|
X86_FNE=5, |
| 400 |
|
|
X86_FNBE=6, |
| 401 |
|
|
X86_FNU=7, |
| 402 |
|
|
}; |
| 403 |
|
|
|
| 404 |
|
|
enum X86FloatArithOp { |
| 405 |
|
|
X86_FADD = 0xc0, // .238 |
| 406 |
|
|
|
| 407 |
|
|
// st(i)/st(0) |
| 408 |
|
|
X86_FDIV = 0xf8, // .261 |
| 409 |
|
|
|
| 410 |
|
|
// st(0)/st(i) |
| 411 |
|
|
X86_FDIVR = 0xf0, // .265 |
| 412 |
|
|
|
| 413 |
|
|
X86_FMUL = 0xc8, // .288 |
| 414 |
|
|
|
| 415 |
|
|
// st(i) - st(0) |
| 416 |
|
|
X86_FSUB = 0xe8, // .327 |
| 417 |
|
|
|
| 418 |
|
|
// st(0) - st(i) |
| 419 |
|
|
X86_FSUBR = 0xe0, // .330 |
| 420 |
|
|
}; |
| 421 |
|
|
|
| 422 |
|
|
enum X86FloatCompOp { |
| 423 |
|
|
//dbf0+i |
| 424 |
|
|
X86_FCOMI = 0xf0db, // .255 |
| 425 |
|
|
|
| 426 |
|
|
//dff0+i |
| 427 |
|
|
X86_FCOMIP = 0xf0df, // .255 |
| 428 |
|
|
|
| 429 |
|
|
//dbe8+i |
| 430 |
|
|
X86_FUCOMI = 0xe8db, // .255 |
| 431 |
|
|
//dfe8+i |
| 432 |
|
|
X86_FUCOMIP = 0xe8df, // .255 |
| 433 |
|
|
}; |
| 434 |
|
|
|
| 435 |
|
|
enum X86FloatICompOp { |
| 436 |
|
|
X86_FICOM16 = 0xde, |
| 437 |
|
|
X86_FICOM32 = 0xda, |
| 438 |
|
|
}; |
| 439 |
|
|
|
| 440 |
|
|
enum X86FloatOp { |
| 441 |
|
|
FABS = 0xe1d9, |
| 442 |
|
|
FCOMPP = 0xd9de, // .252 |
| 443 |
|
|
FCHS = 0xe0d9, // .246 |
| 444 |
|
|
FLD1 = 0xe8d9, // .282 |
| 445 |
|
|
FLDL2T = 0xe9d9, // .282 |
| 446 |
|
|
FLDL2E = 0xead9, // .282 |
| 447 |
|
|
FLDPI = 0xebd9, // .282 |
| 448 |
|
|
FLDLG2 = 0xecd9, // .282 |
| 449 |
|
|
FLDLN2 = 0xedd9, // .282 |
| 450 |
|
|
FLDZ = 0xeed9, // .282 |
| 451 |
|
|
FRNDINT = 0xfcd9, |
| 452 |
|
|
FSQRT = 0xfad9, // .314 |
| 453 |
|
|
F2XM1 = 0xf0d9, // .236 |
| 454 |
|
|
FYL2X = 0xf1d9, // .353 |
| 455 |
|
|
FYL2XP1 = 0xf9d9, // .355 |
| 456 |
|
|
FSCALE = 0xfdd9, // .308 |
| 457 |
|
|
FTST = 0xe4d9, // .333 |
| 458 |
|
|
}; |
| 459 |
|
|
|
| 460 |
|
|
// .250 FCMOVcc |
| 461 |
|
|
// .277 FISTP [mem32] 0xDB /3 |
| 462 |
|
|
|
| 463 |
|
|
#ifndef X86ASM_V2_ONLY |
| 464 |
|
|
/* Begin: X86Asm v1.0 */ |
| 465 |
|
|
void FASTCALL asmFCompSTi(X86FloatCompOp op, NativeFloatReg sti); |
| 466 |
|
|
void FASTCALL asmFICompMem(X86FloatICompOp op, byte *modrm, int len); |
| 467 |
|
|
void FASTCALL asmFICompPMem(X86FloatICompOp op, byte *modrm, int len); |
| 468 |
|
|
void FASTCALL asmFArithMem(X86FloatArithOp op, byte *modrm, int len); |
| 469 |
|
|
void FASTCALL asmFArithST0(X86FloatArithOp op, NativeFloatReg sti); |
| 470 |
|
|
void FASTCALL asmFArithSTi(X86FloatArithOp op, NativeFloatReg sti); |
| 471 |
|
|
void FASTCALL asmFArithSTiP(X86FloatArithOp op, NativeFloatReg sti); |
| 472 |
|
|
void FASTCALL asmFXCHSTi(NativeFloatReg sti); |
| 473 |
|
|
void FASTCALL asmFFREESTi(NativeFloatReg sti); |
| 474 |
|
|
void FASTCALL asmFFREEPSTi(NativeFloatReg sti); |
| 475 |
|
|
void FASTCALL asmFSimpleST0(X86FloatOp op); |
| 476 |
|
|
void FASTCALL asmFLDSingleMem(byte *modrm, int len); |
| 477 |
|
|
void FASTCALL asmFLDDoubleMem(byte *modrm, int len); |
| 478 |
|
|
void FASTCALL asmFLDSTi(NativeFloatReg sti); |
| 479 |
|
|
void FASTCALL asmFILD16(byte *modrm, int len); |
| 480 |
|
|
void FASTCALL asmFILD(byte *modrm, int len); |
| 481 |
|
|
void FASTCALL asmFSTSingleMem(byte *modrm, int len); |
| 482 |
|
|
void FASTCALL asmFSTPSingleMem(byte *modrm, int len); |
| 483 |
|
|
void FASTCALL asmFSTDoubleMem(byte *modrm, int len); |
| 484 |
|
|
void FASTCALL asmFSTPDoubleMem(byte *modrm, int len); |
| 485 |
|
|
void FASTCALL asmFSTDSTi(NativeFloatReg sti); |
| 486 |
|
|
void FASTCALL asmFSTDPSTi(NativeFloatReg sti); |
| 487 |
|
|
void FASTCALL asmFISTPMem(byte *modrm, int len); |
| 488 |
|
|
void FASTCALL asmFISTPMem64(byte *modrm, int len); |
| 489 |
|
|
void FASTCALL asmFISTTPMem(byte *modrm, int len); |
| 490 |
|
|
|
| 491 |
|
|
void FASTCALL asmFSTSWMem(byte *modrm, int len); |
| 492 |
|
|
void FASTCALL asmFSTSW_EAX(void); |
| 493 |
|
|
|
| 494 |
|
|
void FASTCALL asmFLDCWMem(byte *modrm, int len); |
| 495 |
|
|
void FASTCALL asmFSTCWMem(byte *modrm, int len); |
| 496 |
|
|
/* End: X86Asm v1.0 */ |
| 497 |
|
|
#endif // X86ASM_V2_ONLY |
| 498 |
|
|
|
| 499 |
|
|
/* Begin: X86Asm v2.0 */ |
| 500 |
|
|
void FASTCALL asmFComp(X86FloatCompOp op, NativeFloatReg sti); |
| 501 |
|
|
void FASTCALL asmFIComp(X86FloatICompOp op, modrm_p modrm); |
| 502 |
|
|
void FASTCALL asmFICompP(X86FloatICompOp op, modrm_p modrm); |
| 503 |
|
|
void FASTCALL asmFArith(X86FloatArithOp op, modrm_p modrm); |
| 504 |
|
|
void FASTCALL asmFArith_ST0(X86FloatArithOp op, NativeFloatReg sti); |
| 505 |
|
|
void FASTCALL asmFArith_STi(X86FloatArithOp op, NativeFloatReg sti); |
| 506 |
|
|
void FASTCALL asmFArithP_STi(X86FloatArithOp op, NativeFloatReg sti); |
| 507 |
|
|
void FASTCALL asmFXCH(NativeFloatReg sti); |
| 508 |
|
|
void FASTCALL asmFFREE(NativeFloatReg sti); |
| 509 |
|
|
void FASTCALL asmFFREEP(NativeFloatReg sti); |
| 510 |
|
|
void FASTCALL asmFSimple(X86FloatOp op); |
| 511 |
|
|
void FASTCALL asmFLD_Single(modrm_p modrm); |
| 512 |
|
|
void FASTCALL asmFLD_Double(modrm_p modrm); |
| 513 |
|
|
void FASTCALL asmFLD(NativeFloatReg sti); |
| 514 |
|
|
void FASTCALL asmFILD_W(modrm_p modrm); |
| 515 |
|
|
void FASTCALL asmFILD_D(modrm_p modrm); |
| 516 |
|
|
void FASTCALL asmFILD_Q(modrm_p modrm); |
| 517 |
|
|
void FASTCALL asmFST_Single(modrm_p modrm); |
| 518 |
|
|
void FASTCALL asmFSTP_Single(modrm_p modrm); |
| 519 |
|
|
void FASTCALL asmFST_Double(modrm_p modrm); |
| 520 |
|
|
void FASTCALL asmFSTP_Double(modrm_p modrm); |
| 521 |
|
|
void FASTCALL asmFST(NativeFloatReg sti); |
| 522 |
|
|
void FASTCALL asmFSTP(NativeFloatReg sti); |
| 523 |
|
|
void FASTCALL asmFISTP_W(modrm_p modrm); |
| 524 |
|
|
void FASTCALL asmFISTP_D(modrm_p modrm); |
| 525 |
|
|
void FASTCALL asmFISTP_Q(modrm_p modrm); |
| 526 |
|
|
void FASTCALL asmFISTTP(modrm_p modrm); |
| 527 |
|
|
|
| 528 |
|
|
void FASTCALL asmFSTSW(modrm_p modrm); |
| 529 |
|
|
void FASTCALL asmFSTSW_EAX(void); |
| 530 |
|
|
|
| 531 |
|
|
void FASTCALL asmFLDCW(modrm_p modrm); |
| 532 |
|
|
void FASTCALL asmFSTCW(modrm_p modrm); |
| 533 |
|
|
/* End: X86Asm v2.0 */ |
| 534 |
|
|
|
| 535 |
|
|
enum NativeVectorReg { |
| 536 |
|
|
XMM0 = 0, |
| 537 |
|
|
XMM1 = 1, |
| 538 |
|
|
XMM2 = 2, |
| 539 |
|
|
XMM3 = 3, |
| 540 |
|
|
XMM4 = 4, |
| 541 |
|
|
XMM5 = 5, |
| 542 |
|
|
XMM6 = 6, |
| 543 |
|
|
XMM7 = 7, |
| 544 |
|
|
XMM_SENTINEL = 8, |
| 545 |
|
|
VECTREG_NO = 0xffffffff, |
| 546 |
|
|
}; |
| 547 |
|
|
|
| 548 |
|
|
enum X86ALUPSopc { |
| 549 |
|
|
X86_ANDPS = 0x54, |
| 550 |
|
|
X86_ANDNPS = 0x55, |
| 551 |
|
|
X86_ORPS = 0x56, |
| 552 |
|
|
X86_XORPS = 0x57, |
| 553 |
|
|
X86_MOVAPS = 0x28, |
| 554 |
|
|
X86_MOVUPS = 0x10, |
| 555 |
|
|
X86_ADDPS = 0x58, |
| 556 |
|
|
X86_DIVPS = 0x53, |
| 557 |
|
|
X86_MAXPS = 0x5F, |
| 558 |
|
|
X86_MINPS = 0x5D, |
| 559 |
|
|
X86_MULPS = 0x59, |
| 560 |
|
|
X86_RCPPS = 0x53, |
| 561 |
|
|
X86_RSQRTPS = 0x52, |
| 562 |
|
|
X86_SQRTPS = 0x51, |
| 563 |
|
|
X86_SUBPS = 0x5C, |
| 564 |
|
|
X86_UNPCKLPS = 0x14, |
| 565 |
|
|
X86_UNPCKHPS = 0x15, |
| 566 |
|
|
}; |
| 567 |
|
|
|
| 568 |
|
|
enum X86PALUopc { |
| 569 |
|
|
X86_PACKSSWB = 0x63, // Do *NOT* use PALU*() macros on these |
| 570 |
|
|
X86_PACKUSWB = 0x67, |
| 571 |
|
|
X86_PACKSSDW = 0x6B, |
| 572 |
|
|
X86_PMULLW = 0xD5, |
| 573 |
|
|
X86_PMINUB = 0xDA, |
| 574 |
|
|
X86_PMAXUB = 0xDE, |
| 575 |
|
|
X86_PAVGB = 0xE0, |
| 576 |
|
|
X86_PAVGW = 0xE3, |
| 577 |
|
|
X86_PMULHUW = 0xE4, |
| 578 |
|
|
X86_PMULHW = 0xE5, |
| 579 |
|
|
X86_PMINSW = 0xEA, |
| 580 |
|
|
X86_PMAXSW = 0xEE, |
| 581 |
|
|
|
| 582 |
|
|
X86_PAND = 0xDB, |
| 583 |
|
|
X86_PANDN = 0xDF, |
| 584 |
|
|
X86_POR = 0xEB, |
| 585 |
|
|
X86_PXOR = 0xEF, |
| 586 |
|
|
|
| 587 |
|
|
X86_PUNPCKL = 0x60, |
| 588 |
|
|
X86_PCMPGT = 0x64, |
| 589 |
|
|
X86_PUNPCKH = 0x68, |
| 590 |
|
|
X86_PCMPEQ = 0x74, |
| 591 |
|
|
X86_PSRL = 0xD0, |
| 592 |
|
|
X86_PSUBUS = 0xD8, |
| 593 |
|
|
X86_PADDUS = 0xDC, |
| 594 |
|
|
X86_PSRA = 0xE0, |
| 595 |
|
|
X86_PSUBS = 0xE8, |
| 596 |
|
|
X86_PADDS = 0xEC, |
| 597 |
|
|
X86_PSLL = 0xF0, |
| 598 |
|
|
X86_PSUB = 0xF8, |
| 599 |
|
|
X86_PADD = 0xFC, |
| 600 |
|
|
}; |
| 601 |
|
|
|
| 602 |
|
|
#define PALUB(op) ((X86PALUopc)((op) | 0x00)) |
| 603 |
|
|
#define PALUW(op) ((X86PALUopc)((op) | 0x01)) |
| 604 |
|
|
#define PALUD(op) ((X86PALUopc)((op) | 0x02)) |
| 605 |
|
|
#define PALUQ(op) ((X86PALUopc)((op) | 0x03)) |
| 606 |
|
|
|
| 607 |
|
|
#define X86_VECTOR_VR(i) ((NativeVectorReg)(i)) |
| 608 |
|
|
typedef int JitcVectorReg; |
| 609 |
|
|
|
| 610 |
|
|
#define JITC_VECTOR_REGS_ALL 0 |
| 611 |
|
|
|
| 612 |
|
|
#define JITC_VECTOR_TEMP 32 |
| 613 |
|
|
#define JITC_VECTOR_NEG1 33 |
| 614 |
|
|
|
| 615 |
|
|
#define PPC_VECTREG_NO 0xffffffff |
| 616 |
|
|
|
| 617 |
|
|
NativeVectorReg FASTCALL jitcAllocVectorRegister(int hint=0); |
| 618 |
|
|
void FASTCALL jitcDirtyVectorRegister(NativeVectorReg nreg); |
| 619 |
|
|
void FASTCALL jitcTouchVectorRegister(NativeVectorReg nreg); |
| 620 |
|
|
|
| 621 |
|
|
int FASTCALL jitcAssertFlushedVectorRegister(JitcVectorReg creg); |
| 622 |
|
|
int FASTCALL jitcAssertFlushedVectorRegisters(); |
| 623 |
|
|
void FASTCALL jitcShowVectorRegisterStatus(JitcVectorReg creg); |
| 624 |
|
|
|
| 625 |
|
|
NativeVectorReg FASTCALL jitcMapClientVectorRegisterDirty(JitcVectorReg creg, int hint=0); |
| 626 |
|
|
NativeVectorReg FASTCALL jitcGetClientVectorRegister(JitcVectorReg creg, int hint=0); |
| 627 |
|
|
NativeVectorReg FASTCALL jitcGetClientVectorRegisterDirty(JitcVectorReg creg, int hint=0); |
| 628 |
|
|
NativeVectorReg FASTCALL jitcGetClientVectorRegisterMapping(JitcVectorReg creg); |
| 629 |
|
|
NativeVectorReg FASTCALL jitcRenameVectorRegisterDirty(NativeVectorReg reg, JitcVectorReg creg, int hint=0); |
| 630 |
|
|
|
| 631 |
|
|
void FASTCALL jitcFlushVectorRegister(int options=0); |
| 632 |
|
|
void FASTCALL jitcFlushVectorRegisterDirty(int options=0); |
| 633 |
|
|
void FASTCALL jitcClobberVectorRegister(int options=0); |
| 634 |
|
|
void FASTCALL jitcTrashVectorRegister(int options=0); |
| 635 |
|
|
void FASTCALL jitcDropVectorRegister(int options=0); |
| 636 |
|
|
|
| 637 |
|
|
void FASTCALL jitcFlushClientVectorRegister(JitcVectorReg creg); |
| 638 |
|
|
void FASTCALL jitcTrashClientVectorRegister(JitcVectorReg creg); |
| 639 |
|
|
void FASTCALL jitcClobberClientVectorRegister(JitcVectorReg creg); |
| 640 |
|
|
void FASTCALL jitcDropClientVectorRegister(JitcVectorReg creg); |
| 641 |
|
|
|
| 642 |
|
|
void asmMOVAPS(NativeVectorReg reg, const void *disp); |
| 643 |
|
|
void asmMOVAPS(const void *disp, NativeVectorReg reg); |
| 644 |
|
|
void asmMOVUPS(NativeVectorReg reg, const void *disp); |
| 645 |
|
|
void asmMOVUPS(const void *disp, NativeVectorReg reg); |
| 646 |
|
|
void asmMOVSS(NativeVectorReg reg, const void *disp); |
| 647 |
|
|
void asmMOVSS(const void *disp, NativeVectorReg reg); |
| 648 |
|
|
|
| 649 |
|
|
void asmALUPS(X86ALUPSopc opc, NativeVectorReg reg1, NativeVectorReg reg2); |
| 650 |
|
|
void asmALUPS(X86ALUPSopc opc, NativeVectorReg reg1, modrm_p modrm); |
| 651 |
|
|
void asmPALU(X86PALUopc opc, NativeVectorReg reg1, NativeVectorReg reg2); |
| 652 |
|
|
void asmPALU(X86PALUopc opc, NativeVectorReg reg1, modrm_p modrm); |
| 653 |
|
|
|
| 654 |
|
|
void asmSHUFPS(NativeVectorReg reg1, NativeVectorReg reg2, int order); |
| 655 |
|
|
void asmSHUFPS(NativeVectorReg reg1, modrm_p modrm, int order); |
| 656 |
|
|
void asmPSHUFD(NativeVectorReg reg1, NativeVectorReg reg2, int order); |
| 657 |
|
|
void asmPSHUFD(NativeVectorReg reg1, modrm_p modrm, int order); |
| 658 |
|
|
|
| 659 |
|
|
#ifndef X86ASM_V2_ONLY |
| 660 |
|
|
/* |
| 661 |
|
|
* reg1 must not be ESP |
| 662 |
|
|
*/ |
| 663 |
|
|
static inline int x86_mem_r(byte *modrm, NativeReg reg, uint32 disp) |
| 664 |
|
|
{ |
| 665 |
|
|
if (((uint32)(disp) > 0x7f) && ((uint32)(disp) < 0xffffff80)) { |
| 666 |
|
|
/* if (reg == ESP) { |
| 667 |
|
|
modrm[0] = 0x84; |
| 668 |
|
|
modrm[1] = 0x24; |
| 669 |
|
|
*((uint32 *)&modrm[2]) = disp; |
| 670 |
|
|
return 6; |
| 671 |
|
|
}*/ |
| 672 |
|
|
modrm[0] = 0x80+reg; |
| 673 |
|
|
*((uint32 *)&modrm[1]) = disp; |
| 674 |
|
|
return 5; |
| 675 |
|
|
} else if (reg == EBP) { |
| 676 |
|
|
modrm[0] = 0x45; |
| 677 |
|
|
modrm[1] = disp; |
| 678 |
|
|
return 2; |
| 679 |
|
|
/* } else if (reg == ESP) { |
| 680 |
|
|
if (disp) { |
| 681 |
|
|
modrm[0] = 0x44; |
| 682 |
|
|
modrm[1] = 0x24; |
| 683 |
|
|
modrm[2] = disp; |
| 684 |
|
|
return 3; |
| 685 |
|
|
} else { |
| 686 |
|
|
modrm[0] = 0x04; |
| 687 |
|
|
modrm[1] = 0x24; |
| 688 |
|
|
return 2; |
| 689 |
|
|
} */ |
| 690 |
|
|
} else if (disp) { |
| 691 |
|
|
modrm[0] = 0x40+reg; |
| 692 |
|
|
modrm[1] = disp; |
| 693 |
|
|
return 2; |
| 694 |
|
|
} else { |
| 695 |
|
|
modrm[0] = reg; |
| 696 |
|
|
return 1; |
| 697 |
|
|
} |
| 698 |
|
|
} |
| 699 |
|
|
|
| 700 |
|
|
static inline int x86_mem(byte *modrm, NativeReg reg, uint32 disp) |
| 701 |
|
|
{ |
| 702 |
|
|
if (reg == REG_NO) { |
| 703 |
|
|
modrm[0] = 0x05; |
| 704 |
|
|
*((uint32 *)&modrm[1]) = disp; |
| 705 |
|
|
return 5; |
| 706 |
|
|
} else return x86_mem_r(modrm, reg, disp); |
| 707 |
|
|
} |
| 708 |
|
|
|
| 709 |
|
|
/* |
| 710 |
|
|
* reg1, reg2 must not be ESP |
| 711 |
|
|
*/ |
| 712 |
|
|
static inline int x86_mem_sib_r(byte *modrm, NativeReg reg1, int factor, NativeReg reg2, uint32 disp=0) |
| 713 |
|
|
{ |
| 714 |
|
|
switch (factor) { |
| 715 |
|
|
case 1: |
| 716 |
|
|
case 4: |
| 717 |
|
|
case 8: // ok |
| 718 |
|
|
break; |
| 719 |
|
|
case 2: if (reg1 == REG_NO) { |
| 720 |
|
|
// [eax+eax] is shorter than [eax*2+0] |
| 721 |
|
|
reg1 = reg2; |
| 722 |
|
|
factor = 1; |
| 723 |
|
|
} |
| 724 |
|
|
break; |
| 725 |
|
|
case 3: |
| 726 |
|
|
case 5: |
| 727 |
|
|
case 9: // [eax*(2^n+1)] -> [eax+eax*2^n] |
| 728 |
|
|
if (reg1 != REG_NO) { /* internal error */ } |
| 729 |
|
|
reg1 = reg2; |
| 730 |
|
|
factor--; |
| 731 |
|
|
break; |
| 732 |
|
|
default: |
| 733 |
|
|
/* internal error */ |
| 734 |
|
|
break; |
| 735 |
|
|
} |
| 736 |
|
|
// 0 1 2 3 4 5 6 7 8 |
| 737 |
|
|
static const byte factors[9] = {0, 0x00, 0x40, 0, 0x80, 0, 0, 0, 0xc0}; |
| 738 |
|
|
if (reg1 == REG_NO) { |
| 739 |
|
|
// [eax*4+disp] |
| 740 |
|
|
modrm[0] = 0x04; |
| 741 |
|
|
modrm[1] = factors[factor]+(reg2<<3)+EBP; |
| 742 |
|
|
*((uint32 *)&modrm[2]) = disp; |
| 743 |
|
|
return 6; |
| 744 |
|
|
} else if (((uint32)(disp) > 0x7f) && ((uint32)(disp) < 0xffffff80)) { |
| 745 |
|
|
modrm[0] = 0x84; |
| 746 |
|
|
modrm[1] = factors[factor]+(reg2<<3)+reg1; |
| 747 |
|
|
*((uint32 *)&modrm[2]) = disp; |
| 748 |
|
|
return 6; |
| 749 |
|
|
} else if (disp || reg1 == EBP) { |
| 750 |
|
|
modrm[0] = 0x44; |
| 751 |
|
|
modrm[1] = factors[factor]+(reg2<<3)+reg1; |
| 752 |
|
|
modrm[2] = disp; |
| 753 |
|
|
return 3; |
| 754 |
|
|
} else { |
| 755 |
|
|
modrm[0] = 0x04; |
| 756 |
|
|
modrm[1] = factors[factor]+(reg2<<3)+reg1; |
| 757 |
|
|
return 2; |
| 758 |
|
|
} |
| 759 |
|
|
} |
| 760 |
|
|
|
| 761 |
|
|
/* |
| 762 |
|
|
* reg1, reg2 must not be ESP |
| 763 |
|
|
*/ |
| 764 |
|
|
static inline int x86_mem_sib(byte *modrm, NativeReg reg1, int factor, NativeReg reg2, uint32 disp=0) |
| 765 |
|
|
{ |
| 766 |
|
|
if (reg2 == REG_NO) return x86_mem(modrm, reg1, disp); |
| 767 |
|
|
return x86_mem_sib_r(modrm, reg1, factor, reg2, disp); |
| 768 |
|
|
} |
| 769 |
|
|
|
| 770 |
|
|
#endif // X86ASM_V2_ONLY |
| 771 |
|
|
|
| 772 |
|
|
/* |
| 773 |
|
|
* reg1 must not be ESP |
| 774 |
|
|
*/ |
| 775 |
|
|
static inline modrm_p x86_mem2_r(modrm_o modrm, NativeReg reg, uint32 disp) |
| 776 |
|
|
{ |
| 777 |
|
|
if (((uint32)(disp) > 0x7f) && ((uint32)(disp) < 0xffffff80)) { |
| 778 |
|
|
/* if (reg == ESP) { |
| 779 |
|
|
modrm[0] = 6; |
| 780 |
|
|
modrm[1] = 0x84; |
| 781 |
|
|
modrm[2] = 0x24; |
| 782 |
|
|
*((uint32 *)&modrm[3]) = disp; |
| 783 |
|
|
return modrm; |
| 784 |
|
|
}*/ |
| 785 |
|
|
modrm[0] = 5; |
| 786 |
|
|
modrm[1] = 0x80+reg; |
| 787 |
|
|
*((uint32 *)&modrm[2]) = disp; |
| 788 |
|
|
return modrm; |
| 789 |
|
|
} else if (reg == EBP) { |
| 790 |
|
|
modrm[0] = 2; |
| 791 |
|
|
modrm[1] = 0x45; |
| 792 |
|
|
modrm[2] = disp; |
| 793 |
|
|
return modrm; |
| 794 |
|
|
/* } else if (reg == ESP) { |
| 795 |
|
|
if (disp) { |
| 796 |
|
|
modrm[0] = 3; |
| 797 |
|
|
modrm[1] = 0x44; |
| 798 |
|
|
modrm[2] = 0x24; |
| 799 |
|
|
modrm[3] = disp; |
| 800 |
|
|
return modrm; |
| 801 |
|
|
} else { |
| 802 |
|
|
modrm[0] = 2; |
| 803 |
|
|
modrm[1] = 0x04; |
| 804 |
|
|
modrm[2] = 0x24; |
| 805 |
|
|
return modrm; |
| 806 |
|
|
} */ |
| 807 |
|
|
} else if (disp) { |
| 808 |
|
|
modrm[0] = 2; |
| 809 |
|
|
modrm[1] = 0x40+reg; |
| 810 |
|
|
modrm[2] = disp; |
| 811 |
|
|
return modrm; |
| 812 |
|
|
} else { |
| 813 |
|
|
modrm[0] = 1; |
| 814 |
|
|
modrm[1] = reg; |
| 815 |
|
|
return modrm; |
| 816 |
|
|
} |
| 817 |
|
|
} |
| 818 |
|
|
|
| 819 |
|
|
static inline modrm_p x86_mem2(modrm_o modrm, NativeReg reg, uint32 disp=0) |
| 820 |
|
|
{ |
| 821 |
|
|
if (reg == REG_NO) { |
| 822 |
|
|
modrm[0] = 5; |
| 823 |
|
|
modrm[1] = 0x05; |
| 824 |
|
|
*((uint32 *)&modrm[2]) = disp; |
| 825 |
|
|
return modrm; |
| 826 |
|
|
} else return x86_mem2_r(modrm, reg, disp); |
| 827 |
|
|
} |
| 828 |
|
|
|
| 829 |
|
|
static inline modrm_p x86_mem2(modrm_o modrm, NativeReg reg, const void *disp) |
| 830 |
|
|
{ |
| 831 |
|
|
return x86_mem2(modrm, reg, (uint32)disp); |
| 832 |
|
|
} |
| 833 |
|
|
|
| 834 |
|
|
static inline modrm_p x86_mem2(modrm_o modrm, const void *disp) |
| 835 |
|
|
{ |
| 836 |
|
|
modrm[0] = 5; |
| 837 |
|
|
modrm[1] = 0x05; |
| 838 |
|
|
*((uint32 *)&modrm[2]) = (uint32)disp; |
| 839 |
|
|
return modrm; |
| 840 |
|
|
} |
| 841 |
|
|
|
| 842 |
|
|
/* |
| 843 |
|
|
* reg1, reg2 must not be ESP |
| 844 |
|
|
*/ |
| 845 |
|
|
static inline modrm_p x86_mem2_sib_r(modrm_o modrm, NativeReg reg1, int factor, NativeReg reg2, uint32 disp=0) |
| 846 |
|
|
{ |
| 847 |
|
|
switch (factor) { |
| 848 |
|
|
case 1: |
| 849 |
|
|
case 4: |
| 850 |
|
|
case 8: // ok |
| 851 |
|
|
break; |
| 852 |
|
|
case 2: if (reg1 == REG_NO) { |
| 853 |
|
|
// [eax+eax] is shorter than [eax*2+0] |
| 854 |
|
|
reg1 = reg2; |
| 855 |
|
|
factor = 1; |
| 856 |
|
|
} |
| 857 |
|
|
break; |
| 858 |
|
|
case 3: |
| 859 |
|
|
case 5: |
| 860 |
|
|
case 9: // [eax*(2^n+1)] -> [eax+eax*2^n] |
| 861 |
|
|
if (reg1 != REG_NO) { /* internal error */ } |
| 862 |
|
|
reg1 = reg2; |
| 863 |
|
|
factor--; |
| 864 |
|
|
break; |
| 865 |
|
|
default: |
| 866 |
|
|
/* internal error */ |
| 867 |
|
|
break; |
| 868 |
|
|
} |
| 869 |
|
|
// 0 1 2 3 4 5 6 7 8 |
| 870 |
|
|
static const byte factors[9] = {0, 0x00, 0x40, 0, 0x80, 0, 0, 0, 0xc0}; |
| 871 |
|
|
if (reg1 == REG_NO) { |
| 872 |
|
|
// [eax*4+disp] |
| 873 |
|
|
modrm[0] = 6; |
| 874 |
|
|
modrm[1] = 0x04; |
| 875 |
|
|
modrm[2] = factors[factor]+(reg2<<3)+EBP; |
| 876 |
|
|
*((uint32 *)&modrm[3]) = disp; |
| 877 |
|
|
return modrm; |
| 878 |
|
|
} else if (((uint32)(disp) > 0x7f) && ((uint32)(disp) < 0xffffff80)) { |
| 879 |
|
|
modrm[0] = 6; |
| 880 |
|
|
modrm[1] = 0x84; |
| 881 |
|
|
modrm[2] = factors[factor]+(reg2<<3)+reg1; |
| 882 |
|
|
*((uint32 *)&modrm[3]) = disp; |
| 883 |
|
|
return modrm; |
| 884 |
|
|
} else if (disp || reg1 == EBP) { |
| 885 |
|
|
modrm[0] = 3; |
| 886 |
|
|
modrm[1] = 0x44; |
| 887 |
|
|
modrm[2] = factors[factor]+(reg2<<3)+reg1; |
| 888 |
|
|
modrm[3] = disp; |
| 889 |
|
|
return modrm; |
| 890 |
|
|
} else { |
| 891 |
|
|
modrm[0] = 2; |
| 892 |
|
|
modrm[1] = 0x04; |
| 893 |
|
|
modrm[2] = factors[factor]+(reg2<<3)+reg1; |
| 894 |
|
|
return modrm; |
| 895 |
|
|
} |
| 896 |
|
|
} |
| 897 |
|
|
|
| 898 |
|
|
/* |
| 899 |
|
|
* reg1, reg2 must not be ESP |
| 900 |
|
|
*/ |
| 901 |
|
|
static inline modrm_p x86_mem2(modrm_o modrm, NativeReg reg1, int factor, NativeReg reg2, uint32 disp=0) |
| 902 |
|
|
{ |
| 903 |
|
|
if (reg2 == REG_NO) return x86_mem2(modrm, reg1, disp); |
| 904 |
|
|
return x86_mem2_sib_r(modrm, reg1, factor, reg2, disp); |
| 905 |
|
|
} |
| 906 |
|
|
|
| 907 |
|
|
#endif |
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