Some JIT cleanup. Have not been able to figure out the "dirty-flag" mystery yet :(

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@1269 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/Core/Src/PowerPC/Jit64/JitRegCache.cpp

@@ -96,7 +96,7 @@ namespace Jit64
 
 	void RegCache::UnlockAllX()
 	{
-		for (int i = 0; i < 16; i++)
+		for (int i = 0; i < NUMXREGS; i++)
 			xlocks[i] = false;
 	}
 	
@@ -175,24 +175,6 @@ namespace Jit64
 		}
 	}
 
-	bool GPRRegCache::IsXRegVolatile(X64Reg reg) const
-	{
-#ifdef _WIN32
-		switch (reg)
-		{
-		case RAX: case RCX: case RDX: case R8: case R9: case R10: case R11:
-#ifdef _M_IX86
-		case RBX:
-#endif
-			return true;
-		default:
-			return false;
-		}
-#else
-		return true;
-#endif
-	}
-
 	void RegCache::DiscardRegContentsIfCached(int preg)
 	{
 		if (regs[preg].away && regs[preg].location.IsSimpleReg())
@@ -211,23 +193,11 @@ namespace Jit64
 		regs[preg].location = Imm32(immValue);
 	}
 
-	bool FPURegCache::IsXRegVolatile(X64Reg reg) const
-	{
-#ifdef _WIN32
-		// return true;
-		if (reg < 6) 
-			return true;
-		else
-			return false;
-#else
-		return true;
-#endif
-	}
-
 	void GPRRegCache::Start(PPCAnalyst::BlockRegStats &stats)
 	{
 		RegCache::Start(stats);
 	}
+
 	void FPURegCache::Start(PPCAnalyst::BlockRegStats &stats)
 	{
 		RegCache::Start(stats);
@@ -275,20 +245,23 @@ namespace Jit64
 		return M(&ppcState.ps[reg][0]);
 	}
 
-	// eheh, this was a dupe.
 	void RegCache::KillImmediate(int preg)
 	{
 		if (regs[preg].away && regs[preg].location.IsImm())
 		{
-			StoreFromX64(preg);
+			LoadToX64(preg, true, true);
 		}
 	}
 
 	void GPRRegCache::LoadToX64(int i, bool doLoad, bool makeDirty)
 	{
+		if (!regs[i].away && regs[i].location.IsImm())
+			PanicAlert("Bad immedaite");
+
 		if (!regs[i].away || (regs[i].away && regs[i].location.IsImm()))
 		{
 			X64Reg xr = GetFreeXReg();
+			if (xregs[xr].dirty) PanicAlert("Xreg already dirty");
 			if (xlocks[xr]) PanicAlert("GetFreeXReg returned locked register");
 			xregs[xr].free = false;
 			xregs[xr].ppcReg = i;
@@ -310,9 +283,11 @@ namespace Jit64
 		{
 			// HERE HOLDS: regs[i].away == true
 			//             
-			//reg location must be simplereg
+			//reg location must be simplereg or immediate
+			if (regs[i].location.IsSimpleReg()) {
 				xregs[RX(i)].dirty |= makeDirty;
 			}
+		}
 		if (xlocks[RX(i)]) {
 			PanicAlert("Seriously WTF, this reg should have been flushed");
 		}
@@ -322,7 +297,7 @@ namespace Jit64
 	{
 		if (regs[i].away)
 		{
-			bool doStore = true;
+			bool doStore;
 			if (regs[i].location.IsSimpleReg())
 			{
 				X64Reg xr = RX(i);
@@ -334,10 +309,10 @@ namespace Jit64
 			else
 			{
 				//must be immediate - do nothing
+				doStore = true;
 			}
 			OpArg newLoc = GetDefaultLocation(i);
-
+			// if (doStore) //<-- Breaks JIT compilation
-			//if (doStore) <-- Breaks JIT compilation
 				MOV(32, newLoc, regs[i].location);
 			regs[i].location = newLoc;
 			regs[i].away = false;
@@ -349,6 +324,7 @@ namespace Jit64
 		_assert_msg_(DYNA_REC, !regs[i].location.IsImm(), "WTF - load - imm");
 		if (!regs[i].away)
 		{
+			// Reg is at home in the memory register file. Let's pull it out.
 			X64Reg xr = GetFreeXReg();
 			_assert_msg_(DYNA_REC, xr >= 0 && xr < NUMXREGS, "WTF - load - invalid reg");
 			xregs[xr].ppcReg = i;
@@ -363,6 +339,9 @@ namespace Jit64
 			}
 			regs[i].location = newloc;
 			regs[i].away = true;
+		} else {
+			// There are no immediates in the FPR reg file, so we already had this in a register. Make dirty as necessary.
+			xregs[RX(i)].dirty |= makeDirty;
 		}
 	}
 
@@ -389,11 +368,15 @@ namespace Jit64
 
 	void RegCache::Flush(FlushMode mode)
 	{
+		for (int i = 0; i < NUMXREGS; i++) {
+			if (xlocks[i])
+				PanicAlert("Somone forgot to unlock X64 reg %i.", i);
+		}
 		for (int i = 0; i < 32; i++)
 		{
 			if (locks[i])
 			{
-				_assert_msg_(DYNA_REC,0,"Somebody forgot some register locks.");
+				PanicAlert("Somebody forgot to unlock PPC reg %i.", i);
 			}
 			if (regs[i].away)
 			{

Source/Core/Core/Src/PowerPC/Jit64/JitRegCache.h

@@ -64,9 +64,9 @@ namespace Jit64
 	private:
 		bool locks[32];
 		bool saved_locks[32];
-		bool saved_xlocks[16];
+		bool saved_xlocks[NUMXREGS];
 	protected:
-		bool xlocks[16];
+		bool xlocks[NUMXREGS];
 		PPCCachedReg regs[32];
 		X64CachedReg xregs[NUMXREGS];
 
@@ -102,7 +102,7 @@ namespace Jit64
 		{
 			if (regs[preg].away && regs[preg].location.IsSimpleReg()) 
 				return regs[preg].location.GetSimpleReg(); 
-			_assert_msg_(DYNA_REC,0,"Not so simple"); 
+			PanicAlert("Not so simple - %i", preg); 
 			return (X64Reg)-1;
 		}
 		virtual OpArg GetDefaultLocation(int reg) const = 0;
@@ -115,9 +115,6 @@ namespace Jit64
 		bool IsFreeX(int xreg) const;
 
 		X64Reg GetFreeXReg();
-		int GetNumXRegs(){return 16;}
-
-		virtual bool IsXRegVolatile(X64Reg reg) const = 0;
 
 		void SaveState();
 		void LoadState();
@@ -131,7 +128,6 @@ namespace Jit64
 		void StoreFromX64(int preg);
 		OpArg GetDefaultLocation(int reg) const;
 		const int *GetAllocationOrder(int &count);
-		bool IsXRegVolatile(X64Reg reg) const;
 		void SetImmediate32(int preg, u32 immValue);
 	};
 
@@ -143,7 +139,6 @@ namespace Jit64
 		void LoadToX64(int preg, bool doLoad = true, bool makeDirty = true);
 		void StoreFromX64(int preg);
 		const int *GetAllocationOrder(int &count);
-		bool IsXRegVolatile(X64Reg reg) const;
 		OpArg GetDefaultLocation(int reg) const;
 	};
 

Source/Core/Core/Src/PowerPC/Jit64/Jit_Integer.cpp

@@ -373,7 +373,6 @@ namespace Jit64
 		int a = inst.RA,
 			s = inst.RS;
 		gpr.LoadToX64(a, a == s, true);
-		gpr.KillImmediate(s);
 		MOV(32, R(EAX), gpr.R(s));
 		MOVSX(32, 8, gpr.RX(a), R(AL)); // watch out for ah and friends
 		if (inst.Rc) {
@@ -391,8 +390,8 @@ namespace Jit64
 		INSTRUCTION_START;
 		int a = inst.RA, s = inst.RS;
 		gpr.LoadToX64(a, a == s, true);
-		gpr.KillImmediate(s);
+		MOV(32, R(EAX), gpr.R(s));
-		MOVSX(32, 16, gpr.RX(a), gpr.R(s));
+		MOVSX(32, 16, gpr.RX(a), R(EAX));
 		if (inst.Rc) {
 			MOV(32, R(EAX), gpr.R(a));
 			CALL((u8*)Asm::computeRc);

Source/Core/Core/Src/PowerPC/Jit64/Jit_LoadStore.cpp

@@ -339,8 +339,6 @@ namespace Jit64
 					BSWAP(accessSize, EAX);
 					WriteToConstRamAddress(accessSize, R(EAX), addr); 
 					return;
-					// PanicAlert("yum yum");
-					// This may be quite beneficial.
 				}
 				// Other IO not worth the trouble.
 			}

Source/Core/Core/Src/PowerPC/Jit64/Jit_LoadStorePaired.cpp

@@ -134,6 +134,7 @@ void psq_st(UGeckoInstruction inst)
 		{
 		case QUANTIZE_FLOAT:
 			{
+			// This one has quite a bit of optimization potential.
 			if (gpr.R(a).IsImm())
 			{
 				PanicAlert("Imm: %08x", gpr.R(a).offset);
@@ -216,7 +217,7 @@ void psq_st(UGeckoInstruction inst)
 		CALL(ProtectFunction((void *)&WriteDual32, 0));
 #else
 		FixupBranch argh = J_CC(CC_NZ);
-		MOV(32, R(ABI_PARAM1), M(((char*)&temp64)+4));
+		MOV(32, R(ABI_PARAM1), M(((char*)&temp64) + 4));
 		BSWAP(32, ABI_PARAM1);
 		AND(32, R(ABI_PARAM2), Imm32(Memory::MEMVIEW32_MASK));
 		MOV(32, MDisp(ABI_PARAM2, (u32)Memory::base), R(ABI_PARAM1));
@@ -225,7 +226,7 @@ void psq_st(UGeckoInstruction inst)
 		MOV(32, MDisp(ABI_PARAM2, 4+(u32)Memory::base), R(ABI_PARAM1));
 		FixupBranch arg2 = J();
 		SetJumpTarget(argh);
-		MOV(32, R(ABI_PARAM1), M(((char*)&temp64)+4));
+		MOV(32, R(ABI_PARAM1), M(((char*)&temp64) + 4));
 		ABI_CallFunctionRR(ProtectFunction((void *)&Memory::Write_U32, 2), ABI_PARAM1, ABI_PARAM2); 
 		MOV(32, R(ABI_PARAM1), M(((char*)&temp64)));
 		ADD(32, R(ABI_PARAM2), Imm32(4));
@@ -370,7 +371,7 @@ void psq_l(UGeckoInstruction inst)
 				CVTPS2PD(xd, R(xd));
 			} else {
 				gpr.FlushLockX(ECX);
-				gpr.LoadToX64(inst.RA);
+				gpr.LoadToX64(inst.RA, true, update);
 				// This can probably be optimized somewhat.
 				LEA(32, ECX, MDisp(gpr.R(inst.RA).GetSimpleReg(), offset));
 				AND(32, R(ECX), Imm32(Memory::MEMVIEW32_MASK));
@@ -380,7 +381,7 @@ void psq_l(UGeckoInstruction inst)
 				MOV(32, R(EAX), MDisp(ECX, (u32)Memory::base + 4));
 				BSWAP(32, RAX);
 				MOV(32, M(((float *)&psTemp[0]) + 1), R(RAX));
-				fpr.LoadToX64(inst.RS, false);
+				fpr.LoadToX64(inst.RS, false, true);
 				X64Reg r = fpr.R(inst.RS).GetSimpleReg();
 				CVTPS2PD(r, M(&psTemp[0]));
 				gpr.UnlockAllX();
@@ -392,7 +393,7 @@ void psq_l(UGeckoInstruction inst)
 			}
 		case QUANTIZE_U8:
 			{
-			gpr.LoadToX64(inst.RA);
+			gpr.LoadToX64(inst.RA, true, update);
 #ifdef _M_X64
 			MOVZX(32, 16, EAX, MComplex(RBX, gpr.R(inst.RA).GetSimpleReg(), 1, offset));
 #else
@@ -407,7 +408,7 @@ void psq_l(UGeckoInstruction inst)
 			PUNPCKLBW(XMM0, R(XMM1));
 			PUNPCKLWD(XMM0, R(XMM1));
 			CVTDQ2PD(XMM0, R(XMM0));
-			fpr.LoadToX64(inst.RS, false);
+			fpr.LoadToX64(inst.RS, false, true);
 			X64Reg r = fpr.R(inst.RS).GetSimpleReg();
 			MOVDDUP(r, M((void *)&m_dequantizeTableD[ldScale]));
 			MULPD(r, R(XMM0));
@@ -417,7 +418,7 @@ void psq_l(UGeckoInstruction inst)
 			break;
 		case QUANTIZE_S16:
 			{
-			gpr.LoadToX64(inst.RA);
+			gpr.LoadToX64(inst.RA, true, update);
 #ifdef _M_X64
 			MOV(32, R(EAX), MComplex(RBX, gpr.R(inst.RA).GetSimpleReg(), 1, offset));
 #else
@@ -428,7 +429,7 @@ void psq_l(UGeckoInstruction inst)
 			BSWAP(32, EAX);
 			MOV(32, M(&temp64), R(EAX));
 			//INT3();
-			fpr.LoadToX64(inst.RS, false);
+			fpr.LoadToX64(inst.RS, false, true);
 			X64Reg r = fpr.R(inst.RS).GetSimpleReg();
 			MOVD_xmm(XMM0, M(&temp64));
 			PUNPCKLWD(XMM0, R(XMM0)); // unpack to higher word in each dword..