diff --git a/Utilities/Thread.cpp b/Utilities/Thread.cpp
index a47f656695..d379528d5e 100644
--- a/Utilities/Thread.cpp
+++ b/Utilities/Thread.cpp
@@ -270,7 +270,7 @@ void decode_x64_reg_op(const u8* code, x64_op_t& out_op, x64_reg_t& out_reg, siz
 		{
 		case 0x7f:
 		{
-			if (repe && !oso) // MOVDQU xmm/m, xmm
+			if ((repe && !oso) || (!repe && oso)) // MOVDQU/MOVDQA xmm/m, xmm
 			{
 				out_op = X64OP_STORE;
 				out_reg = get_modRM_reg_xmm(code, rex);
diff --git a/rpcs3/Emu/Cell/PPUThread.cpp b/rpcs3/Emu/Cell/PPUThread.cpp
index 08d0f15815..01b3a94b9e 100644
--- a/rpcs3/Emu/Cell/PPUThread.cpp
+++ b/rpcs3/Emu/Cell/PPUThread.cpp
@@ -189,7 +189,7 @@ u64 PPUThread::GetStackArg(s32 i)
 	return vm::read64(vm::cast(GPR[1] + 0x70 + 0x8 * (i - 9)));
 }
 
-u64 PPUThread::FastCall2(u32 addr, u32 rtoc)
+void PPUThread::FastCall2(u32 addr, u32 rtoc)
 {
 	auto old_status = m_status;
 	auto old_PC = PC;
@@ -212,8 +212,6 @@ u64 PPUThread::FastCall2(u32 addr, u32 rtoc)
 	GPR[2] = old_rtoc;
 	LR = old_LR;
 	SetCurrentNamedThread(old_thread);
-
-	return GPR[3];
 }
 
 void PPUThread::FastStop()
diff --git a/rpcs3/Emu/Cell/PPUThread.h b/rpcs3/Emu/Cell/PPUThread.h
index 88f1cb392c..64c11c7563 100644
--- a/rpcs3/Emu/Cell/PPUThread.h
+++ b/rpcs3/Emu/Cell/PPUThread.h
@@ -793,13 +793,27 @@ public:
 		return false;
 	}
 
+	u64 get_next_gpr_arg(u32& g_count, u32& f_count, u32& v_count)
+	{
+		assert(!f_count && !v_count); // not supported
+
+		if (g_count < 8)
+		{
+			return GPR[g_count++ + 3];
+		}
+		else
+		{
+			return GetStackArg(++g_count);
+		}
+	}
+
 public:
 	virtual void InitRegs() override;
 	virtual void InitStack() override;
 	virtual void CloseStack() override;
 	virtual void Task() override;
 	u64 GetStackArg(s32 i);
-	u64 FastCall2(u32 addr, u32 rtoc);
+	void FastCall2(u32 addr, u32 rtoc);
 	void FastStop();
 	virtual void DoRun() override;
 
diff --git a/rpcs3/Emu/SysCalls/Modules.h b/rpcs3/Emu/SysCalls/Modules.h
index a2f803a95c..856430a235 100644
--- a/rpcs3/Emu/SysCalls/Modules.h
+++ b/rpcs3/Emu/SysCalls/Modules.h
@@ -179,4 +179,4 @@ void fix_relocs(Module* module, u32 lib, u32 start, u32 end, u32 seg2);
 
 #define REG_FUNC(module, name) module.AddFunc(get_function_id(#name), name)
 
-#define UNIMPLEMENTED_FUNC(module) module.Fatal("%s", __FUNCTION__)
+#define UNIMPLEMENTED_FUNC(module) module.Error("%s", __FUNCTION__)
diff --git a/rpcs3/Emu/SysCalls/lv2/sys_prx.cpp b/rpcs3/Emu/SysCalls/lv2/sys_prx.cpp
index cf3cc9f17e..70def9c4a3 100644
--- a/rpcs3/Emu/SysCalls/lv2/sys_prx.cpp
+++ b/rpcs3/Emu/SysCalls/lv2/sys_prx.cpp
@@ -126,7 +126,7 @@ s32 sys_prx_get_module_id_by_address()
 s32 sys_prx_get_module_id_by_name()
 {
 	sys_prx.Todo("sys_prx_get_module_id_by_name()");
-	return CELL_OK;
+	return CELL_PRX_ERROR_UNKNOWN_MODULE;
 }
 
 s32 sys_prx_get_module_info()