diff --git a/pcsx2/x86/iCore.cpp b/pcsx2/x86/iCore.cpp
index d4f5414019..f4102808dc 100644
--- a/pcsx2/x86/iCore.cpp
+++ b/pcsx2/x86/iCore.cpp
@@ -963,7 +963,7 @@ void _freeXMMregs()
 	}
 }
 
-int _signExtendXMMtoM(u32 to, x86SSERegType from, int candestroy)
+int _signExtendXMMtoM(uptr to, x86SSERegType from, int candestroy)
 {
 	int t0reg;
 	g_xmmtypes[from] = XMMT_INT;
diff --git a/pcsx2/x86/iCore.h b/pcsx2/x86/iCore.h
index 12b663ae86..a3575423c7 100644
--- a/pcsx2/x86/iCore.h
+++ b/pcsx2/x86/iCore.h
@@ -186,12 +186,12 @@ u8 _hasFreeXMMreg();
 void _freeXMMregs();
 int _getNumXMMwrite();
 
-void _signExtendSFtoM(u32 mem);
+void _signExtendSFtoM(uptr mem);
 
 // returns new index of reg, lower 32 bits already in mmx
 // shift is used when the data is in the top bits of the mmx reg to begin with
 // a negative shift is for sign extension
-int _signExtendXMMtoM(u32 to, x86SSERegType from, int candestroy); // returns true if reg destroyed
+int _signExtendXMMtoM(uptr to, x86SSERegType from, int candestroy); // returns true if reg destroyed
 
 //////////////////////
 // Instruction Info //
@@ -311,7 +311,7 @@ u8 _hasFreeMMXreg();
 void _freeMMXregs();
 int _getNumMMXwrite();
 
-int _signExtendMtoMMX(x86MMXRegType to, u32 mem);
+int _signExtendMtoMMX(x86MMXRegType to, uptr mem);
 int _signExtendGPRMMXtoMMX(x86MMXRegType to, u32 gprreg, x86MMXRegType from, u32 gprfromreg);
 int _allocCheckGPRtoMMX(EEINST* pinst, int reg, int mode);
 
diff --git a/pcsx2/x86/iR3000A.cpp b/pcsx2/x86/iR3000A.cpp
index de1f88b377..2ba5e2f1cf 100644
--- a/pcsx2/x86/iR3000A.cpp
+++ b/pcsx2/x86/iR3000A.cpp
@@ -398,7 +398,8 @@ void _psxMoveGPRtoR(const xRegister32& to, int fromgpr)
 	}
 }
 
-void _psxMoveGPRtoM(u32 to, int fromgpr)
+#if 0
+void _psxMoveGPRtoM(uptr to, int fromgpr)
 {
 	if( PSX_IS_CONST1(fromgpr) )
 		xMOV(ptr32[(u32*)(to)], g_psxConstRegs[fromgpr] );
@@ -408,7 +409,9 @@ void _psxMoveGPRtoM(u32 to, int fromgpr)
 		xMOV(ptr[(void*)(to)], eax);
 	}
 }
+#endif
 
+#if 0
 void _psxMoveGPRtoRm(x86IntRegType to, int fromgpr)
 {
 	if( PSX_IS_CONST1(fromgpr) )
@@ -419,6 +422,7 @@ void _psxMoveGPRtoRm(x86IntRegType to, int fromgpr)
 		xMOV(ptr[xAddressReg(to)], eax);
 	}
 }
+#endif
 
 void _psxFlushCall(int flushtype)
 {
diff --git a/pcsx2/x86/iR3000A.h b/pcsx2/x86/iR3000A.h
index d880cd78b8..d85391f4c5 100644
--- a/pcsx2/x86/iR3000A.h
+++ b/pcsx2/x86/iR3000A.h
@@ -49,8 +49,10 @@ void _psxFlushCall(int flushtype);
 void _psxOnWriteReg(int reg);
 
 void _psxMoveGPRtoR(const x86Emitter::xRegister32& to, int fromgpr);
-void _psxMoveGPRtoM(u32 to, int fromgpr);
+#if 0
+void _psxMoveGPRtoM(uptr to, int fromgpr);
 void _psxMoveGPRtoRm(x86IntRegType to, int fromgpr);
+#endif
 
 extern u32 psxpc;			// recompiler pc
 extern int psxbranch;		// set for branch
diff --git a/pcsx2/x86/iR5900.h b/pcsx2/x86/iR5900.h
index 28ef0fa136..bb5c6ed937 100644
--- a/pcsx2/x86/iR5900.h
+++ b/pcsx2/x86/iR5900.h
@@ -105,7 +105,7 @@ u32* _eeGetConstReg(int reg);
 
 // finds where the GPR is stored and moves lower 32 bits to EAX
 void _eeMoveGPRtoR(const x86Emitter::xRegister32& to, int fromgpr);
-void _eeMoveGPRtoM(u32 to, int fromgpr);
+void _eeMoveGPRtoM(uptr to, int fromgpr);
 void _eeMoveGPRtoRm(x86IntRegType to, int fromgpr);
 void eeSignExtendTo(int gpr, bool onlyupper=false);
 
diff --git a/pcsx2/x86/ix86-32/iCore-32.cpp b/pcsx2/x86/ix86-32/iCore-32.cpp
index d41c57aab0..5711ba8b4f 100644
--- a/pcsx2/x86/ix86-32/iCore-32.cpp
+++ b/pcsx2/x86/ix86-32/iCore-32.cpp
@@ -872,7 +872,7 @@ void SetFPUstate() {
 	}
 }
 
-void _signExtendSFtoM(u32 mem)
+void _signExtendSFtoM(uptr mem)
 {
 	xLAHF();
 	xSAR(ax, 15);
@@ -880,7 +880,7 @@ void _signExtendSFtoM(u32 mem)
 	xMOV(ptr[(void*)(mem)], eax);
 }
 
-int _signExtendMtoMMX(x86MMXRegType to, u32 mem)
+int _signExtendMtoMMX(x86MMXRegType to, uptr mem)
 {
 	int t0reg = _allocMMXreg(-1, MMX_TEMP, 0);
 
diff --git a/pcsx2/x86/ix86-32/iR5900-32.cpp b/pcsx2/x86/ix86-32/iR5900-32.cpp
index 8cb340c409..402c795d68 100644
--- a/pcsx2/x86/ix86-32/iR5900-32.cpp
+++ b/pcsx2/x86/ix86-32/iR5900-32.cpp
@@ -176,7 +176,7 @@ void _eeMoveGPRtoR(const xRegister32& to, int fromgpr)
 	}
 }
 
-void _eeMoveGPRtoM(u32 to, int fromgpr)
+void _eeMoveGPRtoM(uptr to, int fromgpr)
 {
 	if( GPR_IS_CONST1(fromgpr) )
 		xMOV(ptr32[(u32*)(to)], g_cpuConstRegs[fromgpr].UL[0] );