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RecompilerCPU.cpp
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RecompilerCPU.cpp
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/*
* Project 64 - A Nintendo 64 emulator.
*
* (c) Copyright 2001 zilmar (zilmar@emulation64.com) and
* Jabo (jabo@emulation64.com).
*
* pj64 homepage: www.pj64.net
*
* Permission to use, copy, modify and distribute Project64 in both binary and
* source form, for non-commercial purposes, is hereby granted without fee,
* providing that this license information and copyright notice appear with
* all copies and any derived work.
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event shall the authors be held liable for any damages
* arising from the use of this software.
*
* Project64 is freeware for PERSONAL USE only. Commercial users should
* seek permission of the copyright holders first. Commercial use includes
* charging money for Project64 or software derived from Project64.
*
* The copyright holders request that bug fixes and improvements to the code
* should be forwarded to them so if they want them.
*
*/
#include <Windows.h>
#include <commctrl.h>
#include <stdio.h>
#include "main.h"
#include "cpu.h"
#include "x86.h"
#include "debugger.h"
#include "plugin.h"
void _fastcall CreateSectionLinkage (BLOCK_SECTION * Section);
void _fastcall DetermineLoop(BLOCK_SECTION * Section, DWORD Test, DWORD Test2, DWORD TestID);
BOOL DisplaySectionInformation (BLOCK_SECTION * Section, DWORD ID, DWORD Test);
BLOCK_SECTION * ExistingSection(BLOCK_SECTION * StartSection, DWORD Addr, DWORD Test);
void _fastcall FillSectionInfo(BLOCK_SECTION * Section);
void _fastcall FixConstants ( BLOCK_SECTION * Section, DWORD Test,int * Changed );
BOOL GenerateX86Code (BLOCK_SECTION * Section, DWORD Test );
DWORD GetNewTestValue( void );
void _fastcall InheritConstants(BLOCK_SECTION * Section);
BOOL InheritParentInfo (BLOCK_SECTION * Section);
void _fastcall InitilzeSection(BLOCK_SECTION * Section, BLOCK_SECTION * Parent, DWORD StartAddr, DWORD ID);
void InitilizeRegSet(REG_INFO * RegSet);
BOOL IsAllParentLoops(BLOCK_SECTION * Section, BLOCK_SECTION * Parent, BOOL IgnoreIfCompiled, DWORD Test);
void MarkCodeBlock (DWORD PAddr);
void SyncRegState (BLOCK_SECTION * Section, REG_INFO * SyncTo);
DWORD TLBLoadAddress, TargetIndex;
TARGET_INFO * TargetInfo = NULL;
BLOCK_INFO BlockInfo;
ORIGINAL_MEMMARKER * OrigMem = NULL;
void InitilizeInitialCompilerVariable ( void)
{
memset(&BlockInfo,0,sizeof(BlockInfo));
}
void _fastcall AddParent(BLOCK_SECTION * Section, BLOCK_SECTION * Parent){
int NoOfParents, count;
if (Section == NULL) { return; }
if (Parent == NULL) {
InitilizeRegSet(&Section->RegStart);
memcpy(&Section->RegWorking,&Section->RegStart,sizeof(REG_INFO));
return;
}
if (Section->ParentSection != NULL) {
for (NoOfParents = 0;Section->ParentSection[NoOfParents] != NULL;NoOfParents++) {
if (Section->ParentSection[NoOfParents] == Parent) {
return;
}
}
for (NoOfParents = 0;Section->ParentSection[NoOfParents] != NULL;NoOfParents++);
NoOfParents += 1;
} else {
NoOfParents = 1;
}
if (NoOfParents == 1) {
Section->ParentSection = malloc((NoOfParents + 1)*sizeof(void *));
} else {
Section->ParentSection = realloc(Section->ParentSection,(NoOfParents + 1)*sizeof(void *));
}
Section->ParentSection[NoOfParents - 1] = Parent;
Section->ParentSection[NoOfParents] = NULL;
if (NoOfParents == 1) {
if (Parent->ContinueSection == Section) {
memcpy(&Section->RegStart,&Parent->Cont.RegSet,sizeof(REG_INFO));
} else if (Parent->JumpSection == Section) {
memcpy(&Section->RegStart,&Parent->Jump.RegSet,sizeof(REG_INFO));
} else {
#ifndef EXTERNAL_RELEASE
DisplayError("How are these sections joined?????");
#endif
}
memcpy(&Section->RegWorking,&Section->RegStart,sizeof(REG_INFO));
} else {
if (Parent->ContinueSection == Section) {
for (count = 0; count < 32; count++) {
if (Section->RegStart.MIPS_RegState[count] != Parent->Cont.RegSet.MIPS_RegState[count]) {
Section->RegStart.MIPS_RegState[count] = STATE_UNKNOWN;
}
}
}
if (Parent->JumpSection == Section) {
for (count = 0; count < 32; count++) {
if (Section->RegStart.MIPS_RegState[count] != Parent->Jump.RegSet.MIPS_RegState[count]) {
Section->RegStart.MIPS_RegState[count] = STATE_UNKNOWN;
}
}
}
memcpy(&Section->RegWorking,&Section->RegStart,sizeof(REG_INFO));
}
}
void AnalyseBlock (void) {
int Changed;
BLOCK_SECTION * Section = &BlockInfo.BlockInfo;
BlockInfo.NoOfSections = 1;
InitilzeSection (Section, NULL, BlockInfo.StartVAddr, BlockInfo.NoOfSections);
if (UseLinking) {
CreateSectionLinkage (Section);
DetermineLoop(Section,GetNewTestValue(),GetNewTestValue(), Section->SectionID);
do {
Changed = FALSE;
FixConstants(Section,GetNewTestValue(),&Changed);
} while (Changed == TRUE);
}
}
int ConstantsType (__int64 Value) {
if (((Value >> 32) == -1) && ((Value & 0x80000000) != 0)) { return STATE_CONST_32; }
if (((Value >> 32) == 0) && ((Value & 0x80000000) == 0)) { return STATE_CONST_32; }
return STATE_CONST_64;
}
BYTE * Compiler4300iBlock(void) {
DWORD StartAddress;
int count;
//reset BlockInfo
if (BlockInfo.ExitInfo)
{
for (count = 0; count < BlockInfo.ExitCount; count ++) {
free(BlockInfo.ExitInfo[count]);
}
if (BlockInfo.ExitInfo) { free(BlockInfo.ExitInfo); }
BlockInfo.ExitInfo = NULL;
}
memset(&BlockInfo,0,sizeof(BlockInfo));
BlockInfo.CompiledLocation = RecompPos;
BlockInfo.StartVAddr = PROGRAM_COUNTER;
AnalyseBlock();
StartAddress = BlockInfo.StartVAddr;
TranslateVaddr(&StartAddress);
MarkCodeBlock(StartAddress);
if (StartAddress < RdramSize) {
CPU_Message("====== RDRAM: block (%X:%d) ======", StartAddress>>12,N64_Blocks.NoOfRDRamBlocks[StartAddress>>12]);
} else if (StartAddress >= 0x04000000 && StartAddress <= 0x04000FFC) {
CPU_Message("====== DMEM: block (%d) ======", N64_Blocks.NoOfDMEMBlocks);
} else if (StartAddress >= 0x04001000 && StartAddress <= 0x04001FFC) {
CPU_Message("====== IMEM: block (%d) ======", N64_Blocks.NoOfIMEMBlocks);
} else if (StartAddress >= 0x1FC00000 && StartAddress <= 0x1FC00800) {
CPU_Message("====== PIF ROM: block ======");
} else {
#ifndef ROM_IN_MAPSPACE
#ifndef EXTERNAL_RELEASE
DisplayError("Ummm... Where does this block go");
#endif
ExitThread(0);
#endif
}
CPU_Message("x86 code at: %X",BlockInfo.CompiledLocation);
CPU_Message("Start of Block: %X",BlockInfo.StartVAddr );
CPU_Message("No of Sections: %d",BlockInfo.NoOfSections );
CPU_Message("====== recompiled code ======");
if (UseLinking) {
/*for (count = 0; count < BlockInfo.NoOfSections; count ++) {
DisplaySectionInformation(&BlockInfo.BlockInfo,count + 1,BlockInfo.BlockInfo.Test + 1);
}*/
}
if (CPU_Type == CPU_SyncCores) {
//if ((DWORD)BlockInfo.CompiledLocation == 0x60A7B73B) { BreakPoint(); }
MoveConstToVariable((DWORD)BlockInfo.CompiledLocation,&CurrentBlock,"CurrentBlock");
}
if (UseLinking) {
while (GenerateX86Code(&BlockInfo.BlockInfo,GetNewTestValue()));
} else {
GenerateX86Code(&BlockInfo.BlockInfo,GetNewTestValue());
}
for (count = 0; count < BlockInfo.ExitCount; count ++) {
CPU_Message("");
CPU_Message(" $Exit_%d",count);
SetJump32(BlockInfo.ExitInfo[count]->JumpLoc,RecompPos);
NextInstruction = BlockInfo.ExitInfo[count]->NextInstruction;
CompileExit(BlockInfo.ExitInfo[count]->TargetPC,BlockInfo.ExitInfo[count]->ExitRegSet,
BlockInfo.ExitInfo[count]->reason,TRUE,NULL);
}
CPU_Message("====== End of recompiled code ======");
FreeSection (BlockInfo.BlockInfo.ContinueSection,&BlockInfo.BlockInfo);
FreeSection (BlockInfo.BlockInfo.JumpSection,&BlockInfo.BlockInfo);
for (count = 0; count < BlockInfo.ExitCount; count ++) {
free(BlockInfo.ExitInfo[count]);
}
if (BlockInfo.ExitInfo) { free(BlockInfo.ExitInfo); }
BlockInfo.ExitInfo = NULL;
BlockInfo.ExitCount = 0;
if (ShowCompMem) {
char StatusString[256];
DWORD Size, MB, KB;
Size = RecompPos - RecompCode;
MB = Size / 0x100000;
Size -= MB * 0x100000;
KB = Size / 1024;
Size -= KB * 1024;
sprintf(StatusString,"Memory used: %d mb %d kb %d bytes ",MB,KB,Size);
SendMessage( hStatusWnd, SB_SETTEXT, 0, (LPARAM)StatusString );
}
return BlockInfo.CompiledLocation;
}
BYTE * CompileDelaySlot(void) {
DWORD StartAddress = PROGRAM_COUNTER;
BLOCK_SECTION *Section, DelaySection;
BYTE * Block = RecompPos;
int count, x86Reg;
Section = &DelaySection;
if ((StartAddress & 0xFFC) != 0) {
#ifndef EXTERNAL_RELEASE
DisplayError("Why are you compiling the Delay Slot at %X",StartAddress);
#endif
ExitThread(0);
}
if (!r4300i_LW_VAddr(StartAddress, &Opcode.Hex)) {
#ifndef EXTERNAL_RELEASE
DisplayError("TLB Miss in delay slot\nEmulation will know stop");
#endif
ExitThread(0);
}
TranslateVaddr(&StartAddress);
if (StartAddress < RdramSize) {
CPU_Message("====== RDRAM: Delay Slot ======", 1);
} else if (StartAddress >= 0x04000000 && StartAddress <= 0x04000FFC) {
CPU_Message("====== DMEM: Delay Slot ======");
} else if (StartAddress >= 0x04001000 && StartAddress <= 0x04001FFC) {
CPU_Message("====== IMEM: Delay Slot ======");
} else if (StartAddress >= 0x1FC00000 && StartAddress <= 0x1FC00800) {
CPU_Message("====== PIF ROM: Delay Slot ======");
} else {
#ifndef ROM_IN_MAPSPACE
#ifndef EXTERNAL_RELEASE
DisplayError("Ummm... Where does this block go");
#endif
ExitThread(0);
#endif
}
MarkCodeBlock(StartAddress);
CPU_Message("x86 code at: %X",Block);
CPU_Message("Delay Slot location: %X",PROGRAM_COUNTER );
CPU_Message("====== recompiled code ======");
InitilzeSection (Section, NULL, PROGRAM_COUNTER, 0);
InitilizeRegSet(&Section->RegStart);
memcpy(&Section->RegWorking,&Section->RegStart,sizeof(REG_INFO));
if (CPU_Type == CPU_SyncCores) {
MoveConstToVariable((DWORD)Block,&CurrentBlock,"CurrentBlock");
}
BlockCycleCount += CountPerOp;
//CPU_Message("BlockCycleCount = %d",BlockCycleCount);
BlockRandomModifier += 1;
//CPU_Message("BlockRandomModifier = %d",BlockRandomModifier);
switch (Opcode.op) {
case R4300i_SPECIAL:
switch (Opcode.funct) {
case R4300i_SPECIAL_SLL: Compile_R4300i_SPECIAL_SLL(Section); break;
case R4300i_SPECIAL_SRL: Compile_R4300i_SPECIAL_SRL(Section); break;
case R4300i_SPECIAL_SRA: Compile_R4300i_SPECIAL_SRA(Section); break;
case R4300i_SPECIAL_SLLV: Compile_R4300i_SPECIAL_SLLV(Section); break;
case R4300i_SPECIAL_SRLV: Compile_R4300i_SPECIAL_SRLV(Section); break;
case R4300i_SPECIAL_SRAV: Compile_R4300i_SPECIAL_SRAV(Section); break;
case R4300i_SPECIAL_MFLO: Compile_R4300i_SPECIAL_MFLO(Section); break;
case R4300i_SPECIAL_MTLO: Compile_R4300i_SPECIAL_MTLO(Section); break;
case R4300i_SPECIAL_MFHI: Compile_R4300i_SPECIAL_MFHI(Section); break;
case R4300i_SPECIAL_MTHI: Compile_R4300i_SPECIAL_MTHI(Section); break;
case R4300i_SPECIAL_MULT: Compile_R4300i_SPECIAL_MULT(Section); break;
case R4300i_SPECIAL_DIV: Compile_R4300i_SPECIAL_DIV(Section); break;
case R4300i_SPECIAL_DIVU: Compile_R4300i_SPECIAL_DIVU(Section); break;
case R4300i_SPECIAL_MULTU: Compile_R4300i_SPECIAL_MULTU(Section); break;
case R4300i_SPECIAL_DMULTU: Compile_R4300i_SPECIAL_DMULTU(Section); break;
case R4300i_SPECIAL_DDIVU: Compile_R4300i_SPECIAL_DDIVU(Section); break;
case R4300i_SPECIAL_ADD: Compile_R4300i_SPECIAL_ADD(Section); break;
case R4300i_SPECIAL_ADDU: Compile_R4300i_SPECIAL_ADDU(Section); break;
case R4300i_SPECIAL_SUB: Compile_R4300i_SPECIAL_SUB(Section); break;
case R4300i_SPECIAL_SUBU: Compile_R4300i_SPECIAL_SUBU(Section); break;
case R4300i_SPECIAL_AND: Compile_R4300i_SPECIAL_AND(Section); break;
case R4300i_SPECIAL_OR: Compile_R4300i_SPECIAL_OR(Section); break;
case R4300i_SPECIAL_XOR: Compile_R4300i_SPECIAL_XOR(Section); break;
case R4300i_SPECIAL_SLT: Compile_R4300i_SPECIAL_SLT(Section); break;
case R4300i_SPECIAL_SLTU: Compile_R4300i_SPECIAL_SLTU(Section); break;
case R4300i_SPECIAL_DADD: Compile_R4300i_SPECIAL_DADD(Section); break;
case R4300i_SPECIAL_DADDU: Compile_R4300i_SPECIAL_DADDU(Section); break;
case R4300i_SPECIAL_DSLL32: Compile_R4300i_SPECIAL_DSLL32(Section); break;
case R4300i_SPECIAL_DSRA32: Compile_R4300i_SPECIAL_DSRA32(Section); break;
default:
Compile_R4300i_UnknownOpcode(Section); break;
}
break;
case R4300i_ADDI: Compile_R4300i_ADDI(Section); break;
case R4300i_ADDIU: Compile_R4300i_ADDIU(Section); break;
case R4300i_SLTI: Compile_R4300i_SLTI(Section); break;
case R4300i_SLTIU: Compile_R4300i_SLTIU(Section); break;
case R4300i_ANDI: Compile_R4300i_ANDI(Section); break;
case R4300i_ORI: Compile_R4300i_ORI(Section); break;
case R4300i_XORI: Compile_R4300i_XORI(Section); break;
case R4300i_LUI: Compile_R4300i_LUI(Section); break;
case R4300i_CP1:
switch (Opcode.rs) {
case R4300i_COP1_CF: Compile_R4300i_COP1_CF(Section); break;
case R4300i_COP1_MT: Compile_R4300i_COP1_MT(Section); break;
case R4300i_COP1_CT: Compile_R4300i_COP1_CT(Section); break;
case R4300i_COP1_MF: Compile_R4300i_COP1_MF(Section); break;
case R4300i_COP1_S:
switch (Opcode.funct) {
case R4300i_COP1_FUNCT_ADD: Compile_R4300i_COP1_S_ADD(Section); break;
case R4300i_COP1_FUNCT_SUB: Compile_R4300i_COP1_S_SUB(Section); break;
case R4300i_COP1_FUNCT_MUL: Compile_R4300i_COP1_S_MUL(Section); break;
case R4300i_COP1_FUNCT_DIV: Compile_R4300i_COP1_S_DIV(Section); break;
case R4300i_COP1_FUNCT_ABS: Compile_R4300i_COP1_S_ABS(Section); break;
case R4300i_COP1_FUNCT_NEG: Compile_R4300i_COP1_S_NEG(Section); break;
case R4300i_COP1_FUNCT_SQRT: Compile_R4300i_COP1_S_SQRT(Section); break;
case R4300i_COP1_FUNCT_MOV: Compile_R4300i_COP1_S_MOV(Section); break;
case R4300i_COP1_FUNCT_CVT_D: Compile_R4300i_COP1_S_CVT_D(Section); break;
case R4300i_COP1_FUNCT_ROUND_W: Compile_R4300i_COP1_S_ROUND_W(Section); break;
case R4300i_COP1_FUNCT_TRUNC_W: Compile_R4300i_COP1_S_TRUNC_W(Section); break;
case R4300i_COP1_FUNCT_FLOOR_W: Compile_R4300i_COP1_S_FLOOR_W(Section); break;
case R4300i_COP1_FUNCT_C_F: case R4300i_COP1_FUNCT_C_UN:
case R4300i_COP1_FUNCT_C_EQ: case R4300i_COP1_FUNCT_C_UEQ:
case R4300i_COP1_FUNCT_C_OLT: case R4300i_COP1_FUNCT_C_ULT:
case R4300i_COP1_FUNCT_C_OLE: case R4300i_COP1_FUNCT_C_ULE:
case R4300i_COP1_FUNCT_C_SF: case R4300i_COP1_FUNCT_C_NGLE:
case R4300i_COP1_FUNCT_C_SEQ: case R4300i_COP1_FUNCT_C_NGL:
case R4300i_COP1_FUNCT_C_LT: case R4300i_COP1_FUNCT_C_NGE:
case R4300i_COP1_FUNCT_C_LE: case R4300i_COP1_FUNCT_C_NGT:
Compile_R4300i_COP1_S_CMP(Section); break;
default:
Compile_R4300i_UnknownOpcode(Section); break;
}
break;
case R4300i_COP1_D:
switch (Opcode.funct) {
case R4300i_COP1_FUNCT_ADD: Compile_R4300i_COP1_D_ADD(Section); break;
case R4300i_COP1_FUNCT_SUB: Compile_R4300i_COP1_D_SUB(Section); break;
case R4300i_COP1_FUNCT_MUL: Compile_R4300i_COP1_D_MUL(Section); break;
case R4300i_COP1_FUNCT_DIV: Compile_R4300i_COP1_D_DIV(Section); break;
case R4300i_COP1_FUNCT_ABS: Compile_R4300i_COP1_D_ABS(Section); break;
case R4300i_COP1_FUNCT_NEG: Compile_R4300i_COP1_D_NEG(Section); break;
case R4300i_COP1_FUNCT_SQRT: Compile_R4300i_COP1_D_SQRT(Section); break;
case R4300i_COP1_FUNCT_MOV: Compile_R4300i_COP1_D_MOV(Section); break;
case R4300i_COP1_FUNCT_TRUNC_W: Compile_R4300i_COP1_D_TRUNC_W(Section); break;
case R4300i_COP1_FUNCT_CVT_S: Compile_R4300i_COP1_D_CVT_S(Section); break;
case R4300i_COP1_FUNCT_CVT_W: Compile_R4300i_COP1_D_CVT_W(Section); break;
case R4300i_COP1_FUNCT_C_F: case R4300i_COP1_FUNCT_C_UN:
case R4300i_COP1_FUNCT_C_EQ: case R4300i_COP1_FUNCT_C_UEQ:
case R4300i_COP1_FUNCT_C_OLT: case R4300i_COP1_FUNCT_C_ULT:
case R4300i_COP1_FUNCT_C_OLE: case R4300i_COP1_FUNCT_C_ULE:
case R4300i_COP1_FUNCT_C_SF: case R4300i_COP1_FUNCT_C_NGLE:
case R4300i_COP1_FUNCT_C_SEQ: case R4300i_COP1_FUNCT_C_NGL:
case R4300i_COP1_FUNCT_C_LT: case R4300i_COP1_FUNCT_C_NGE:
case R4300i_COP1_FUNCT_C_LE: case R4300i_COP1_FUNCT_C_NGT:
Compile_R4300i_COP1_D_CMP(Section); break;
default:
Compile_R4300i_UnknownOpcode(Section); break;
}
break;
case R4300i_COP1_W:
switch (Opcode.funct) {
case R4300i_COP1_FUNCT_CVT_S: Compile_R4300i_COP1_W_CVT_S(Section); break;
case R4300i_COP1_FUNCT_CVT_D: Compile_R4300i_COP1_W_CVT_D(Section); break;
default:
Compile_R4300i_UnknownOpcode(Section); break;
}
break;
default:
Compile_R4300i_UnknownOpcode(Section); break;
}
break;
case R4300i_LB: Compile_R4300i_LB(Section); break;
case R4300i_LH: Compile_R4300i_LH(Section); break;
case R4300i_LW: Compile_R4300i_LW(Section); break;
case R4300i_LBU: Compile_R4300i_LBU(Section); break;
case R4300i_LHU: Compile_R4300i_LHU(Section); break;
case R4300i_SB: Compile_R4300i_SB(Section); break;
case R4300i_SH: Compile_R4300i_SH(Section); break;
case R4300i_SW: Compile_R4300i_SW(Section); break;
case R4300i_SWR: Compile_R4300i_SWR(Section); break;
case R4300i_CACHE: Compile_R4300i_CACHE(Section); break;
case R4300i_LWC1: Compile_R4300i_LWC1(Section); break;
case R4300i_LDC1: Compile_R4300i_LDC1(Section); break;
case R4300i_LD: Compile_R4300i_LD(Section); break;
case R4300i_SWC1: Compile_R4300i_SWC1(Section); break;
case R4300i_SDC1: Compile_R4300i_SDC1(Section); break;
case R4300i_SD: Compile_R4300i_SD(Section); break;
default:
Compile_R4300i_UnknownOpcode(Section); break;
}
for (count = 1; count < 10; count ++) { x86Protected(count) = FALSE; }
WriteBackRegisters(Section);
if (BlockCycleCount != 0) {
AddConstToVariable(BlockCycleCount,&CP0[9],Cop0_Name[9]);
SubConstFromVariable(BlockCycleCount,&Timers.Timer,"Timer");
}
if (BlockRandomModifier != 0) { SubConstFromVariable(BlockRandomModifier,&CP0[1],Cop0_Name[1]); }
x86Reg = Map_TempReg(Section,x86_Any,-1,FALSE);
MoveVariableToX86reg(&JumpToLocation,"JumpToLocation",x86Reg);
MoveX86regToVariable(x86Reg,&PROGRAM_COUNTER,"PROGRAM_COUNTER");
MoveConstToVariable(NORMAL,&NextInstruction,"NextInstruction");
if (CPU_Type == CPU_SyncCores) { Call_Direct(SyncToPC, "SyncToPC"); }
Ret();
CPU_Message("====== End of recompiled code ======");
return Block;
}
void CompileExit (DWORD TargetPC, REG_INFO ExitRegSet, int reason, int CompileNow, void (*x86Jmp)(char * Label, DWORD Value)) {
BLOCK_SECTION Section;
if (!CompileNow) {
char String[100];
if (BlockInfo.ExitCount == 0) {
BlockInfo.ExitInfo = malloc(sizeof(void *));
} else {
BlockInfo.ExitInfo = realloc(BlockInfo.ExitInfo,(BlockInfo.ExitCount + 1) * sizeof(void *));
}
sprintf(String,"Exit_%d",BlockInfo.ExitCount);
if (x86Jmp == NULL) {
#ifndef EXTERNAL_RELEASE
DisplayError("CompileExit error");
#endif
ExitThread(0);
}
x86Jmp(String,0);
BlockInfo.ExitInfo[BlockInfo.ExitCount] = malloc(sizeof(EXIT_INFO));
BlockInfo.ExitInfo[BlockInfo.ExitCount]->TargetPC = TargetPC;
BlockInfo.ExitInfo[BlockInfo.ExitCount]->ExitRegSet = ExitRegSet;
BlockInfo.ExitInfo[BlockInfo.ExitCount]->reason = reason;
BlockInfo.ExitInfo[BlockInfo.ExitCount]->NextInstruction = NextInstruction;
BlockInfo.ExitInfo[BlockInfo.ExitCount]->JumpLoc = RecompPos - 4;
BlockInfo.ExitCount += 1;
return;
}
//CPU_Message("CompileExit: %d",reason);
InitilzeSection (&Section, NULL, (DWORD)-1, 0);
memcpy(&Section.RegWorking, &ExitRegSet, sizeof(REG_INFO));
if (TargetPC != (DWORD)-1) { MoveConstToVariable(TargetPC,&PROGRAM_COUNTER,"PROGRAM_COUNTER"); }
if (ExitRegSet.CycleCount != 0) {
AddConstToVariable(ExitRegSet.CycleCount,&CP0[9],Cop0_Name[9]);
SubConstFromVariable(ExitRegSet.CycleCount,&Timers.Timer,"Timer");
}
if (ExitRegSet.RandomModifier != 0) { SubConstFromVariable(ExitRegSet.RandomModifier,&CP0[1],Cop0_Name[1]); }
WriteBackRegisters(&Section);
switch (reason) {
case Normal: case Normal_NoSysCheck:
if (CPU_Type == CPU_SyncCores) { Call_Direct(SyncToPC, "SyncToPC"); }
Section.RegWorking.RandomModifier = 0;
Section.RegWorking.CycleCount = 0;
if (reason == Normal) { CompileSystemCheck(0,(DWORD)-1,Section.RegWorking); }
#ifdef LinkBlocks
if (SelfModCheck == ModCode_ChangeMemory) {
BYTE * Jump, * Jump2;
if (TargetPC >= 0x80000000 && TargetPC < 0xC0000000) {
DWORD pAddr = TargetPC & 0x1FFFFFFF;
MoveVariableToX86reg((BYTE *)N64MEM + pAddr,"N64MEM + pAddr",x86_EAX);
Jump2 = NULL;
} else {
MoveConstToX86reg((TargetPC >> 12),x86_ECX);
MoveConstToX86reg(TargetPC,x86_EBX);
MoveVariableDispToX86Reg(TLB_ReadMap,"TLB_ReadMap",x86_ECX,x86_ECX,4);
TestX86RegToX86Reg(x86_ECX,x86_ECX);
JeLabel8("NoTlbEntry",0);
Jump2 = RecompPos - 1;
MoveX86regPointerToX86reg(x86_ECX, x86_EBX,x86_EAX);
}
MoveX86RegToX86Reg(x86_EAX,x86_ECX);
AndConstToX86Reg(x86_ECX,0xFFFF0000);
CompConstToX86reg(x86_ECX,0x7C7C0000);
JneLabel8("NoCode",0);
Jump = RecompPos - 1;
AndConstToX86Reg(x86_EAX,0xFFFF);
ShiftLeftSignImmed(x86_EAX,4);
AddConstToX86Reg(x86_EAX,0xC);
MoveVariableDispToX86Reg(OrigMem,"OrigMem",x86_ECX,x86_EAX,1);
JmpDirectReg(x86_ECX);
CPU_Message(" NoCode:");
*((BYTE *)(Jump))=(BYTE)(RecompPos - Jump - 1);
if (Jump2 != NULL) {
CPU_Message(" NoTlbEntry:");
*((BYTE *)(Jump2))=(BYTE)(RecompPos - Jump2 - 1);
}
} else if (SelfModCheck == ModCode_CheckMemoryCache) {
} else if (SelfModCheck == ModCode_CheckMemory2) { // *** Add in Build 53
} else {
BYTE * Jump, * Jump2;
if (TargetPC >= 0x80000000 && TargetPC < 0x90000000) {
DWORD pAddr = TargetPC & 0x1FFFFFFF;
MoveVariableToX86reg((BYTE *)JumpTable + pAddr,"JumpTable + pAddr",x86_ECX);
Jump2 = NULL;
} else if (TargetPC >= 0x90000000 && TargetPC < 0xC0000000) {
} else {
MoveConstToX86reg((TargetPC >> 12),x86_ECX);
MoveConstToX86reg(TargetPC,x86_EBX);
MoveVariableDispToX86Reg(TLB_ReadMap,"TLB_ReadMap",x86_ECX,x86_ECX,4);
TestX86RegToX86Reg(x86_ECX,x86_ECX);
JeLabel8("NoTlbEntry",0);
Jump2 = RecompPos - 1;
AddConstToX86Reg(x86_ECX,(DWORD)JumpTable - (DWORD)N64MEM);
MoveX86regPointerToX86reg(x86_ECX, x86_EBX,x86_ECX);
}
if (TargetPC < 0x90000000 || TargetPC >= 0xC0000000)
{
JecxzLabel8("NullPointer",0);
Jump = RecompPos - 1;
JmpDirectReg(x86_ECX);
CPU_Message(" NullPointer:");
*((BYTE *)(Jump))=(BYTE)(RecompPos - Jump - 1);
if (Jump2 != NULL) {
CPU_Message(" NoTlbEntry:");
*((BYTE *)(Jump2))=(BYTE)(RecompPos - Jump2 - 1);
}
}
}
Ret();
#else
Ret();
#endif
break;
case DoCPU_Action:
if (CPU_Type == CPU_SyncCores) { Call_Direct(SyncToPC, "SyncToPC"); }
Call_Direct(DoSomething,"DoSomething");
if (CPU_Type == CPU_SyncCores) { Call_Direct(SyncToPC, "SyncToPC"); }
Ret();
break;
case DoSysCall:
MoveConstToX86reg(NextInstruction == JUMP || NextInstruction == DELAY_SLOT,x86_ECX);
Call_Direct(DoSysCallException,"DoSysCallException");
if (CPU_Type == CPU_SyncCores) { Call_Direct(SyncToPC, "SyncToPC"); }
Ret();
break;
case COP1_Unuseable:
MoveConstToX86reg(NextInstruction == JUMP || NextInstruction == DELAY_SLOT,x86_ECX);
MoveConstToX86reg(1,x86_EDX);
Call_Direct(DoCopUnusableException,"DoCopUnusableException");
if (CPU_Type == CPU_SyncCores) { Call_Direct(SyncToPC, "SyncToPC"); }
Ret();
break;
case ExitResetRecompCode:
if (NextInstruction == JUMP || NextInstruction == DELAY_SLOT) {
BreakPoint();
}
if (CPU_Type == CPU_SyncCores) { Call_Direct(SyncToPC, "SyncToPC"); }
Call_Direct(ResetRecompCode, "ResetRecompCode");
Ret();
break;
case TLBReadMiss:
MoveConstToX86reg(NextInstruction == JUMP || NextInstruction == DELAY_SLOT,x86_ECX);
MoveVariableToX86reg(&TLBLoadAddress,"TLBLoadAddress",x86_EDX);
Call_Direct(DoTLBMiss,"DoTLBMiss");
if (CPU_Type == CPU_SyncCores) { Call_Direct(SyncToPC, "SyncToPC"); }
Ret();
break;
#ifndef EXTERNAL_RELEASE
default:
DisplayError("how did you want to exit on reason (%d) ???",reason);
#endif
}
}
void CompileSystemCheck (DWORD TimerModifier, DWORD TargetPC, REG_INFO RegSet) {
BLOCK_SECTION Section;
BYTE *Jump, *Jump2;
// Timer
if (TimerModifier != 0) {
SubConstFromVariable(TimerModifier,&Timers.Timer,"Timer");
} else {
CompConstToVariable(0,&Timers.Timer,"Timer");
}
JnsLabel32("Continue_From_Timer_Test",0);
Jump = RecompPos - 4;
Pushad();
if (TargetPC != (DWORD)-1) { MoveConstToVariable(TargetPC,&PROGRAM_COUNTER,"PROGRAM_COUNTER"); }
InitilzeSection (&Section, NULL, (DWORD)-1, 0);
memcpy(&Section.RegWorking, &RegSet, sizeof(REG_INFO));
WriteBackRegisters(&Section);
if (CPU_Type == CPU_SyncCores) { Call_Direct(SyncToPC, "SyncToPC"); }
Call_Direct(TimerDone,"TimerDone");
if (CPU_Type == CPU_SyncCores) { Call_Direct(SyncToPC, "SyncToPC"); }
Popad();
//Interrupt
CompConstToVariable(0,&CPU_Action.DoSomething,"CPU_Action.DoSomething");
JeLabel32("Continue_From_Interrupt_Test",0);
Jump2 = RecompPos - 4;
CompileExit(-1,Section.RegWorking,DoCPU_Action,TRUE,NULL);
CPU_Message("");
CPU_Message(" $Continue_From_Interrupt_Test:");
SetJump32(Jump2,RecompPos);
Ret();
CPU_Message("");
CPU_Message(" $Continue_From_Timer_Test:");
SetJump32(Jump,RecompPos);
//Interrupt 2
CompConstToVariable(0,&CPU_Action.DoSomething,"CPU_Action.DoSomething");
JeLabel32("Continue_From_Interrupt_Test",0);
Jump = RecompPos - 4;
if (TargetPC != (DWORD)-1) { MoveConstToVariable(TargetPC,&PROGRAM_COUNTER,"PROGRAM_COUNTER"); }
InitilzeSection (&Section, NULL, (DWORD)-1, 0);
memcpy(&Section.RegWorking, &RegSet, sizeof(REG_INFO));
WriteBackRegisters(&Section);
CompileExit(-1,Section.RegWorking,DoCPU_Action,TRUE,NULL);
CPU_Message("");
CPU_Message(" $Continue_From_Interrupt_Test:");
SetJump32(Jump,RecompPos);
return;
}
void _fastcall CreateSectionLinkage (BLOCK_SECTION * Section) {
BLOCK_SECTION ** TargetSection[2];
DWORD * TargetPC[2], count;
InheritConstants(Section);
__try {
FillSectionInfo(Section);
} __except( r4300i_CPU_MemoryFilter( GetExceptionCode(), GetExceptionInformation()) ) {
DisplayError(GS(MSG_UNKNOWN_MEM_ACTION));
ExitThread(0);
}
if (Section->Jump.TargetPC < Section->Cont.TargetPC) {
TargetSection[0] = (BLOCK_SECTION **)&Section->JumpSection;
TargetSection[1] = (BLOCK_SECTION **)&Section->ContinueSection;
TargetPC[0] = &Section->Jump.TargetPC;
TargetPC[1] = &Section->Cont.TargetPC;
} else {
TargetSection[0] = (BLOCK_SECTION **)&Section->ContinueSection;
TargetSection[1] = (BLOCK_SECTION **)&Section->JumpSection;
TargetPC[0] = &Section->Cont.TargetPC;
TargetPC[1] = &Section->Jump.TargetPC;
}
for (count = 0; count < 2; count ++) {
if (*TargetPC[count] != (DWORD)-1 && *TargetSection[count] == NULL) {
*TargetSection[count] = ExistingSection(BlockInfo.BlockInfo.ContinueSection,*TargetPC[count],GetNewTestValue());
if (*TargetSection[count] == NULL) {
*TargetSection[count] = ExistingSection(BlockInfo.BlockInfo.JumpSection,*TargetPC[count],GetNewTestValue());
}
if (*TargetSection[count] == NULL) {
BlockInfo.NoOfSections += 1;
*TargetSection[count] = malloc(sizeof(BLOCK_SECTION));
InitilzeSection (*TargetSection[count], Section, *TargetPC[count], BlockInfo.NoOfSections);
CreateSectionLinkage(*TargetSection[count]);
} else {
AddParent(*TargetSection[count],Section);
}
}
}
}
void _fastcall DetermineLoop(BLOCK_SECTION * Section, DWORD Test, DWORD Test2, DWORD TestID) {
if (Section == NULL) { return; }
if (Section->SectionID != TestID) {
if (Section->Test2 == Test2) {
return;
}
Section->Test2 = Test2;
DetermineLoop(Section->ContinueSection,Test,Test2,TestID);
DetermineLoop(Section->JumpSection,Test,Test2,TestID);
return;
}
if (Section->Test2 == Test2) {
Section->InLoop = TRUE;
return;
}
Section->Test2 = Test2;
DetermineLoop(Section->ContinueSection,Test,Test2,TestID);
DetermineLoop(Section->JumpSection,Test,Test2,TestID);
if (Section->Test == Test) { return; }
Section->Test = Test;
if (Section->ContinueSection != NULL) {
DetermineLoop(Section->ContinueSection,Test,GetNewTestValue(),((BLOCK_SECTION *)Section->ContinueSection)->SectionID);
}
if (Section->JumpSection != NULL) {
DetermineLoop(Section->JumpSection,Test,GetNewTestValue(),((BLOCK_SECTION *)Section->JumpSection)->SectionID);
}
}
BOOL DisplaySectionInformation (BLOCK_SECTION * Section, DWORD ID, DWORD Test) {
int NoOfParents;
if (Section == NULL) { return FALSE; }
if (Section->Test == Test) { return FALSE; }
Section->Test = Test;
if (Section->SectionID != ID) {
if (DisplaySectionInformation(Section->ContinueSection,ID,Test)) { return TRUE; }
if (DisplaySectionInformation(Section->JumpSection,ID,Test)) { return TRUE; }
return FALSE;
}
CPU_Message("====== Section %d ======",Section->SectionID);
CPU_Message("Start PC: %X",Section->StartPC);
if (Section->ParentSection != NULL) {
for (NoOfParents = 0;Section->ParentSection[NoOfParents] != NULL;NoOfParents++);
CPU_Message("Number of parents: %d",NoOfParents);
}
if (Section->JumpSection != NULL) {
CPU_Message("Jump Section: %d",((BLOCK_SECTION *)Section->JumpSection)->SectionID);
} else {
CPU_Message("Jump Section: None");
}
if (Section->ContinueSection != NULL) {
CPU_Message("Continue Section: %d",((BLOCK_SECTION *)Section->ContinueSection)->SectionID);
} else {
CPU_Message("Continue Section: None");
}
CPU_Message("=======================",Section->SectionID);
return TRUE;
}
BLOCK_SECTION * ExistingSection(BLOCK_SECTION * StartSection, DWORD Addr, DWORD Test) {
BLOCK_SECTION * Section;
if (StartSection == NULL) { return NULL; }
if (StartSection->StartPC == Addr) { return StartSection; }
if (StartSection->Test == Test) { return NULL; }
StartSection->Test = Test;
Section = ExistingSection(StartSection->JumpSection,Addr,Test);
if (Section != NULL) { return Section; }
Section = ExistingSection(StartSection->ContinueSection,Addr,Test);
if (Section != NULL) { return Section; }
return NULL;
}
void _fastcall FillSectionInfo(BLOCK_SECTION * Section) {
OPCODE Command;
if (Section->CompiledLocation != NULL) { return; }
Section->CompilePC = Section->StartPC;
memcpy(&Section->RegWorking,&Section->RegStart,sizeof(REG_INFO));
NextInstruction = NORMAL;
do {
if (!r4300i_LW_VAddr(Section->CompilePC, &Command.Hex)) {
DisplayError(GS(MSG_FAIL_LOAD_WORD));
ExitThread(0);
}
if (SelfModCheck == ModCode_ChangeMemory) {
if ( (Command.Hex >> 16) == 0x7C7C) {
Command.Hex = OrigMem[(Command.Hex & 0xFFFF)].OriginalValue;
}
}
switch (Command.op) {
case R4300i_SPECIAL:
switch (Command.funct) {
case R4300i_SPECIAL_SLL:
if (Command.rd == 0) { break; }
if (Section->InLoop && Command.rt == Command.rd) {
MipsRegState(Command.rd) = STATE_UNKNOWN;
}
if (IsConst(Command.rt)) {
MipsRegState(Command.rd) = STATE_CONST_32;
MipsRegLo(Command.rd) = MipsRegLo(Command.rt) << Command.sa;
} else {
MipsRegState(Command.rd) = STATE_UNKNOWN;
}
break;
case R4300i_SPECIAL_SRL:
if (Command.rd == 0) { break; }
if (Section->InLoop && Command.rt == Command.rd) {
MipsRegState(Command.rd) = STATE_UNKNOWN;
}
if (IsConst(Command.rt)) {
MipsRegState(Command.rd) = STATE_CONST_32;
MipsRegLo(Command.rd) = MipsRegLo(Command.rt) >> Command.sa;
} else {
MipsRegState(Command.rd) = STATE_UNKNOWN;
}
break;
case R4300i_SPECIAL_SRA:
if (Command.rd == 0) { break; }
if (Section->InLoop && Command.rt == Command.rd) {
MipsRegState(Command.rd) = STATE_UNKNOWN;
}
if (IsConst(Command.rt)) {
MipsRegState(Command.rd) = STATE_CONST_32;
MipsRegLo(Command.rd) = MipsRegLo_S(Command.rt) >> Command.sa;
} else {
MipsRegState(Command.rd) = STATE_UNKNOWN;
}
break;
case R4300i_SPECIAL_SLLV:
if (Command.rd == 0) { break; }
if (Section->InLoop && (Command.rt == Command.rd || Command.rs == Command.rd)) {
MipsRegState(Command.rd) = STATE_UNKNOWN;
}
if (IsConst(Command.rt) && IsConst(Command.rs)) {
MipsRegState(Command.rd) = STATE_CONST_32;
MipsRegLo(Command.rd) = MipsRegLo(Command.rt) << (MipsRegLo(Command.rs) & 0x1F);
} else {
MipsRegState(Command.rd) = STATE_UNKNOWN;
}
break;
case R4300i_SPECIAL_SRLV:
if (Command.rd == 0) { break; }
if (Section->InLoop && (Command.rt == Command.rd || Command.rs == Command.rd)) {
MipsRegState(Command.rd) = STATE_UNKNOWN;
}
if (IsConst(Command.rt) && IsConst(Command.rs)) {
MipsRegState(Command.rd) = STATE_CONST_32;
MipsRegLo(Command.rd) = MipsRegLo(Command.rt) >> (MipsRegLo(Command.rs) & 0x1F);
} else {
MipsRegState(Command.rd) = STATE_UNKNOWN;
}
break;
case R4300i_SPECIAL_SRAV:
if (Command.rd == 0) { break; }
if (Section->InLoop && (Command.rt == Command.rd || Command.rs == Command.rd)) {
MipsRegState(Command.rd) = STATE_UNKNOWN;
}
if (IsConst(Command.rt) && IsConst(Command.rs)) {
MipsRegState(Command.rd) = STATE_CONST_32;
MipsRegLo(Command.rd) = MipsRegLo_S(Command.rt) >> (MipsRegLo(Command.rs) & 0x1F);
} else {
MipsRegState(Command.rd) = STATE_UNKNOWN;
}
break;
case R4300i_SPECIAL_JR:
if (IsConst(Command.rs)) {
Section->Jump.TargetPC = MipsRegLo(Command.rs);
} else {
Section->Jump.TargetPC = (DWORD)-1;
}
NextInstruction = DELAY_SLOT;
break;
case R4300i_SPECIAL_JALR:
MipsRegLo(Opcode.rd) = Section->CompilePC + 8;
MipsRegState(Opcode.rd) = STATE_CONST_32;
if (IsConst(Command.rs)) {
Section->Jump.TargetPC = MipsRegLo(Command.rs);
} else {
Section->Jump.TargetPC = (DWORD)-1;
}
NextInstruction = DELAY_SLOT;
break;
case R4300i_SPECIAL_SYSCALL:
case R4300i_SPECIAL_BREAK:
NextInstruction = END_BLOCK;
Section->CompilePC -= 4;
break;
case R4300i_SPECIAL_MFHI: MipsRegState(Command.rd) = STATE_UNKNOWN; break;
case R4300i_SPECIAL_MTHI: break;
case R4300i_SPECIAL_MFLO: MipsRegState(Command.rd) = STATE_UNKNOWN; break;
case R4300i_SPECIAL_MTLO: break;
case R4300i_SPECIAL_DSLLV:
if (Command.rd == 0) { break; }
if (Section->InLoop && (Command.rt == Command.rd || Command.rs == Command.rd)) {
MipsRegState(Command.rd) = STATE_UNKNOWN;
}
if (IsConst(Command.rt) && IsConst(Command.rs)) {
MipsRegState(Command.rd) = STATE_CONST_64;
MipsReg(Command.rd) = Is64Bit(Command.rt)?MipsReg(Command.rt):(QWORD)MipsRegLo_S(Command.rt) << (MipsRegLo(Command.rs) & 0x3F);
} else {
MipsRegState(Command.rd) = STATE_UNKNOWN;
}
break;
case R4300i_SPECIAL_DSRLV:
if (Command.rd == 0) { break; }
if (Section->InLoop && (Command.rt == Command.rd || Command.rs == Command.rd)) {
MipsRegState(Command.rd) = STATE_UNKNOWN;
}
if (IsConst(Command.rt) && IsConst(Command.rs)) {
MipsRegState(Command.rd) = STATE_CONST_64;
MipsReg(Command.rd) = Is64Bit(Command.rt)?MipsReg(Command.rt):(QWORD)MipsRegLo_S(Command.rt) >> (MipsRegLo(Command.rs) & 0x3F);
} else {
MipsRegState(Command.rd) = STATE_UNKNOWN;
}
break;
case R4300i_SPECIAL_DSRAV:
if (Command.rd == 0) { break; }
if (Section->InLoop && (Command.rt == Command.rd || Command.rs == Command.rd)) {
MipsRegState(Command.rd) = STATE_UNKNOWN;
}
if (IsConst(Command.rt) && IsConst(Command.rs)) {
MipsRegState(Command.rd) = STATE_CONST_64;
MipsReg(Command.rd) = Is64Bit(Command.rt)?MipsReg_S(Command.rt):(_int64)MipsRegLo_S(Command.rt) >> (MipsRegLo(Command.rs) & 0x3F);
} else {
MipsRegState(Command.rd) = STATE_UNKNOWN;
}
break;
case R4300i_SPECIAL_MULT: break;
case R4300i_SPECIAL_MULTU: break;
case R4300i_SPECIAL_DIV: break;
case R4300i_SPECIAL_DIVU: break;
case R4300i_SPECIAL_DMULT: break;
case R4300i_SPECIAL_DMULTU: break;
case R4300i_SPECIAL_DDIV: break;
case R4300i_SPECIAL_DDIVU: break;
case R4300i_SPECIAL_ADD:
case R4300i_SPECIAL_ADDU:
if (Command.rd == 0) { break; }
if (Section->InLoop && (Command.rt == Command.rd || Command.rs == Command.rd)) {
MipsRegState(Command.rd) = STATE_UNKNOWN;
}
if (IsConst(Command.rt) && IsConst(Command.rs)) {
MipsRegLo(Command.rd) = MipsRegLo(Command.rs) + MipsRegLo(Command.rt);
MipsRegState(Command.rd) = STATE_CONST_32;
} else {
MipsRegState(Command.rd) = STATE_UNKNOWN;
}
break;
case R4300i_SPECIAL_SUB:
case R4300i_SPECIAL_SUBU:
if (Command.rd == 0) { break; }
if (Section->InLoop && (Command.rt == Command.rd || Command.rs == Command.rd)) {
MipsRegState(Command.rd) = STATE_UNKNOWN;
}
if (IsConst(Command.rt) && IsConst(Command.rs)) {
MipsRegLo(Command.rd) = MipsRegLo(Command.rs) - MipsRegLo(Command.rt);
MipsRegState(Command.rd) = STATE_CONST_32;
} else {
MipsRegState(Command.rd) = STATE_UNKNOWN;
}
break;
case R4300i_SPECIAL_AND:
if (Command.rd == 0) { break; }
if (Section->InLoop && (Command.rt == Command.rd || Command.rs == Command.rd)) {
MipsRegState(Command.rd) = STATE_UNKNOWN;
}
if (IsConst(Command.rt) && IsConst(Command.rs)) {
if (Is64Bit(Command.rt) && Is64Bit(Command.rs)) {
MipsReg(Command.rd) = MipsReg(Command.rt) & MipsReg(Command.rs);
MipsRegState(Command.rd) = STATE_CONST_64;
} else if (Is64Bit(Command.rt) || Is64Bit(Command.rs)) {
if (Is64Bit(Command.rt)) {
MipsReg(Command.rd) = MipsReg(Command.rt) & MipsRegLo(Command.rs);
} else {
MipsReg(Command.rd) = MipsRegLo(Command.rt) & MipsReg(Command.rs);
}
MipsRegState(Command.rd) = ConstantsType(MipsReg(Command.rd));
} else {
MipsRegLo(Command.rd) = MipsRegLo(Command.rt) & MipsRegLo(Command.rs);
MipsRegState(Command.rd) = STATE_CONST_32;
}
} else {
MipsRegState(Command.rd) = STATE_UNKNOWN;
}
break;
case R4300i_SPECIAL_OR:
if (Command.rd == 0) { break; }
if (Section->InLoop && (Command.rt == Command.rd || Command.rs == Command.rd)) {
MipsRegState(Command.rd) = STATE_UNKNOWN;
}
if (IsConst(Command.rt) && IsConst(Command.rs)) {
if (Is64Bit(Command.rt) && Is64Bit(Command.rs)) {
MipsReg(Command.rd) = MipsReg(Command.rt) | MipsReg(Command.rs);
MipsRegState(Command.rd) = STATE_CONST_64;
} else if (Is64Bit(Command.rt) || Is64Bit(Command.rs)) {
if (Is64Bit(Command.rt)) {
MipsReg(Command.rd) = MipsReg(Command.rt) | MipsRegLo(Command.rs);
} else {
MipsReg(Command.rd) = MipsRegLo(Command.rt) | MipsReg(Command.rs);