PPU: remove SSSE3 dependency

rpcs3/CMakeLists.txt

@@ -105,7 +105,11 @@ if(NOT MSVC)
 		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wl,--allow-multiple-definition")
 	endif()
 
-	add_compile_options(-msse -msse2 -mcx16 -mssse3 -mrtm)
+	add_compile_options(-msse -msse2 -mcx16 -mrtm)
+
+	if(NOT TRAVIS)
+		add_compile_options(-march=native)
+	endif()
 
 	if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
 		# This fixes 'some' of the st11range issues. See issue #2516

rpcs3/Emu/Cell/PPUInterpreter.cpp

@@ -5,6 +5,10 @@
 
 #include <cmath>
 
+#if !defined(_MSC_VER) && !defined(__SSSE3__)
+#define _mm_shuffle_epi8
+#endif
+
 inline u64 dup32(u32 x) { return x | static_cast<u64>(x) << 32; }
 
 // Write values to CR field
@@ -83,6 +87,20 @@ extern __m128 sse_log2_ps(__m128 A)
 	return _mm_add_ps(_mm_mul_ps(_mm_mul_ps(_mm_mul_ps(_mm_mul_ps(x5, x6), x7), x4), _c), _mm_add_ps(_mm_mul_ps(x4, _c), x8));
 }
 
+extern __m128i sse_pshufb(__m128i data, __m128i index)
+{
+	v128 m = v128::fromV(_mm_and_si128(index, _mm_set1_epi8(0xf)));
+	v128 a = v128::fromV(data);
+	v128 r;
+
+	for (int i = 0; i < 16; i++)
+	{
+		r._u8[i] = a._u8[m._u8[i]];
+	}
+
+	return _mm_and_si128(r.vi, _mm_cmpgt_epi8(index, _mm_set1_epi8(-1)));
+}
+
 extern __m128i sse_altivec_vperm(__m128i A, __m128i B, __m128i C)
 {
 	const auto index = _mm_andnot_si128(C, _mm_set1_epi8(0x1f));
@@ -92,6 +110,20 @@ extern __m128i sse_altivec_vperm(__m128i A, __m128i B, __m128i C)
 	return _mm_or_si128(_mm_and_si128(mask, sa), _mm_andnot_si128(mask, sb));
 }
 
+extern __m128i sse_altivec_vperm_v0(__m128i A, __m128i B, __m128i C)
+{
+	__m128i ab[2]{B, A};
+	v128 index = v128::fromV(_mm_andnot_si128(C, _mm_set1_epi8(0x1f)));
+	v128 res;
+
+	for (int i = 0; i < 16; i++)
+	{
+		res._u8[i] = ((u8*)+ab)[index._u8[i]];
+	}
+
+	return res.vi;
+}
+
 extern __m128i sse_altivec_lvsl(u64 addr)
 {
 	alignas(16) static const u8 lvsl_values[0x10][0x10] =
@@ -202,6 +234,26 @@ extern void sse_cellbe_stvrx(u64 addr, __m128i a)
 	_mm_maskmoveu_si128(_mm_shuffle_epi8(a, lvrx_masks[addr & 0xf]), lvlx_masks[addr & 0xf], (char*)vm::base(addr & ~0xf));
 }
 
+extern __m128i sse_cellbe_lvlx_v0(u64 addr)
+{
+	return sse_pshufb(_mm_load_si128((__m128i*)vm::base(addr & ~0xf)), lvlx_masks[addr & 0xf]);
+}
+
+extern void sse_cellbe_stvlx_v0(u64 addr, __m128i a)
+{
+	_mm_maskmoveu_si128(sse_pshufb(a, lvlx_masks[addr & 0xf]), lvrx_masks[addr & 0xf], (char*)vm::base(addr & ~0xf));
+}
+
+extern __m128i sse_cellbe_lvrx_v0(u64 addr)
+{
+	return sse_pshufb(_mm_load_si128((__m128i*)vm::base(addr & ~0xf)), lvrx_masks[addr & 0xf]);
+}
+
+extern void sse_cellbe_stvrx_v0(u64 addr, __m128i a)
+{
+	_mm_maskmoveu_si128(sse_pshufb(a, lvrx_masks[addr & 0xf]), lvlx_masks[addr & 0xf], (char*)vm::base(addr & ~0xf));
+}
+
 template<typename T>
 struct add_flags_result_t
 {
@@ -1327,7 +1379,13 @@ bool ppu_interpreter::VOR(ppu_thread& ppu, ppu_opcode_t op)
 	return true;
 }
 
-bool ppu_interpreter::VPERM(ppu_thread& ppu, ppu_opcode_t op)
+bool ppu_interpreter_precise::VPERM(ppu_thread& ppu, ppu_opcode_t op)
+{
+	ppu.vr[op.vd].vi = sse_altivec_vperm_v0(ppu.vr[op.va].vi, ppu.vr[op.vb].vi, ppu.vr[op.vc].vi);
+	return true;
+}
+
+bool ppu_interpreter_fast::VPERM(ppu_thread& ppu, ppu_opcode_t op)
 {
 	ppu.vr[op.vd].vi = sse_altivec_vperm(ppu.vr[op.va].vi, ppu.vr[op.vb].vi, ppu.vr[op.vc].vi);
 	return true;
@@ -3881,7 +3939,14 @@ bool ppu_interpreter::DIVW(ppu_thread& ppu, ppu_opcode_t op)
 	return true;
 }
 
-bool ppu_interpreter::LVLX(ppu_thread& ppu, ppu_opcode_t op)
+bool ppu_interpreter_precise::LVLX(ppu_thread& ppu, ppu_opcode_t op)
+{
+	const u64 addr = op.ra ? ppu.gpr[op.ra] + ppu.gpr[op.rb] : ppu.gpr[op.rb];
+	ppu.vr[op.vd].vi = sse_cellbe_lvlx_v0(addr);
+	return true;
+}
+
+bool ppu_interpreter_fast::LVLX(ppu_thread& ppu, ppu_opcode_t op)
 {
 	const u64 addr = op.ra ? ppu.gpr[op.ra] + ppu.gpr[op.rb] : ppu.gpr[op.rb];
 	ppu.vr[op.vd].vi = sse_cellbe_lvlx(addr);
@@ -3945,7 +4010,14 @@ bool ppu_interpreter::SRD(ppu_thread& ppu, ppu_opcode_t op)
 	return true;
 }
 
-bool ppu_interpreter::LVRX(ppu_thread& ppu, ppu_opcode_t op)
+bool ppu_interpreter_precise::LVRX(ppu_thread& ppu, ppu_opcode_t op)
+{
+	const u64 addr = op.ra ? ppu.gpr[op.ra] + ppu.gpr[op.rb] : ppu.gpr[op.rb];
+	ppu.vr[op.vd].vi = sse_cellbe_lvrx_v0(addr);
+	return true;
+}
+
+bool ppu_interpreter_fast::LVRX(ppu_thread& ppu, ppu_opcode_t op)
 {
 	const u64 addr = op.ra ? ppu.gpr[op.ra] + ppu.gpr[op.rb] : ppu.gpr[op.rb];
 	ppu.vr[op.vd].vi = sse_cellbe_lvrx(addr);
@@ -4013,7 +4085,14 @@ bool ppu_interpreter::LFDUX(ppu_thread& ppu, ppu_opcode_t op)
 	return true;
 }
 
-bool ppu_interpreter::STVLX(ppu_thread& ppu, ppu_opcode_t op)
+bool ppu_interpreter_precise::STVLX(ppu_thread& ppu, ppu_opcode_t op)
+{
+	const u64 addr = op.ra ? ppu.gpr[op.ra] + ppu.gpr[op.rb] : ppu.gpr[op.rb];
+	sse_cellbe_stvlx_v0(addr, ppu.vr[op.vs].vi);
+	return true;
+}
+
+bool ppu_interpreter_fast::STVLX(ppu_thread& ppu, ppu_opcode_t op)
 {
 	const u64 addr = op.ra ? ppu.gpr[op.ra] + ppu.gpr[op.rb] : ppu.gpr[op.rb];
 	sse_cellbe_stvlx(addr, ppu.vr[op.vs].vi);
@@ -4061,7 +4140,14 @@ bool ppu_interpreter::STFSX(ppu_thread& ppu, ppu_opcode_t op)
 	return true;
 }
 
-bool ppu_interpreter::STVRX(ppu_thread& ppu, ppu_opcode_t op)
+bool ppu_interpreter_precise::STVRX(ppu_thread& ppu, ppu_opcode_t op)
+{
+	const u64 addr = op.ra ? ppu.gpr[op.ra] + ppu.gpr[op.rb] : ppu.gpr[op.rb];
+	sse_cellbe_stvrx_v0(addr, ppu.vr[op.vs].vi);
+	return true;
+}
+
+bool ppu_interpreter_fast::STVRX(ppu_thread& ppu, ppu_opcode_t op)
 {
 	const u64 addr = op.ra ? ppu.gpr[op.ra] + ppu.gpr[op.rb] : ppu.gpr[op.rb];
 	sse_cellbe_stvrx(addr, ppu.vr[op.vs].vi);
@@ -4121,7 +4207,12 @@ bool ppu_interpreter::STFDUX(ppu_thread& ppu, ppu_opcode_t op)
 	return true;
 }
 
-bool ppu_interpreter::LVLXL(ppu_thread& ppu, ppu_opcode_t op)
+bool ppu_interpreter_precise::LVLXL(ppu_thread& ppu, ppu_opcode_t op)
+{
+	return LVLX(ppu, op);
+}
+
+bool ppu_interpreter_fast::LVLXL(ppu_thread& ppu, ppu_opcode_t op)
 {
 	return LVLX(ppu, op);
 }
@@ -4171,7 +4262,12 @@ bool ppu_interpreter::SRAD(ppu_thread& ppu, ppu_opcode_t op)
 	return true;
 }
 
-bool ppu_interpreter::LVRXL(ppu_thread& ppu, ppu_opcode_t op)
+bool ppu_interpreter_precise::LVRXL(ppu_thread& ppu, ppu_opcode_t op)
+{
+	return LVRX(ppu, op);
+}
+
+bool ppu_interpreter_fast::LVRXL(ppu_thread& ppu, ppu_opcode_t op)
 {
 	return LVRX(ppu, op);
 }
@@ -4208,7 +4304,12 @@ bool ppu_interpreter::EIEIO(ppu_thread& ppu, ppu_opcode_t op)
 	return true;
 }
 
-bool ppu_interpreter::STVLXL(ppu_thread& ppu, ppu_opcode_t op)
+bool ppu_interpreter_precise::STVLXL(ppu_thread& ppu, ppu_opcode_t op)
+{
+	return STVLX(ppu, op);
+}
+
+bool ppu_interpreter_fast::STVLXL(ppu_thread& ppu, ppu_opcode_t op)
 {
 	return STVLX(ppu, op);
 }
@@ -4227,7 +4328,12 @@ bool ppu_interpreter::EXTSH(ppu_thread& ppu, ppu_opcode_t op)
 	return true;
 }
 
-bool ppu_interpreter::STVRXL(ppu_thread& ppu, ppu_opcode_t op)
+bool ppu_interpreter_precise::STVRXL(ppu_thread& ppu, ppu_opcode_t op)
+{
+	return STVRX(ppu, op);
+}
+
+bool ppu_interpreter_fast::STVRXL(ppu_thread& ppu, ppu_opcode_t op)
 {
 	return STVRX(ppu, op);
 }

rpcs3/Emu/Cell/PPUInterpreter.h

@@ -4,6 +4,8 @@
 
 class ppu_thread;
 
+using ppu_inter_func_t = bool(*)(ppu_thread& ppu, ppu_opcode_t op);
+
 struct ppu_interpreter
 {
 	static bool MFVSCR(ppu_thread&, ppu_opcode_t);
@@ -75,7 +77,6 @@ struct ppu_interpreter
 	static bool VNMSUBFP(ppu_thread&, ppu_opcode_t);
 	static bool VNOR(ppu_thread&, ppu_opcode_t);
 	static bool VOR(ppu_thread&, ppu_opcode_t);
-	static bool VPERM(ppu_thread&, ppu_opcode_t);
 	static bool VPKPX(ppu_thread&, ppu_opcode_t);
 	static bool VPKUHUM(ppu_thread&, ppu_opcode_t);
 	static bool VPKUWUM(ppu_thread&, ppu_opcode_t);
@@ -247,42 +248,34 @@ struct ppu_interpreter
 	static bool STVXL(ppu_thread&, ppu_opcode_t);
 	static bool DIVD(ppu_thread&, ppu_opcode_t);
 	static bool DIVW(ppu_thread&, ppu_opcode_t);
-	static bool LVLX(ppu_thread&, ppu_opcode_t);
 	static bool LDBRX(ppu_thread&, ppu_opcode_t);
 	static bool LSWX(ppu_thread&, ppu_opcode_t);
 	static bool LWBRX(ppu_thread&, ppu_opcode_t);
 	static bool LFSX(ppu_thread&, ppu_opcode_t);
 	static bool SRW(ppu_thread&, ppu_opcode_t);
 	static bool SRD(ppu_thread&, ppu_opcode_t);
-	static bool LVRX(ppu_thread&, ppu_opcode_t);
 	static bool LSWI(ppu_thread&, ppu_opcode_t);
 	static bool LFSUX(ppu_thread&, ppu_opcode_t);
 	static bool SYNC(ppu_thread&, ppu_opcode_t);
 	static bool LFDX(ppu_thread&, ppu_opcode_t);
 	static bool LFDUX(ppu_thread&, ppu_opcode_t);
-	static bool STVLX(ppu_thread&, ppu_opcode_t);
 	static bool STDBRX(ppu_thread&, ppu_opcode_t);
 	static bool STSWX(ppu_thread&, ppu_opcode_t);
 	static bool STWBRX(ppu_thread&, ppu_opcode_t);
 	static bool STFSX(ppu_thread&, ppu_opcode_t);
-	static bool STVRX(ppu_thread&, ppu_opcode_t);
 	static bool STFSUX(ppu_thread&, ppu_opcode_t);
 	static bool STSWI(ppu_thread&, ppu_opcode_t);
 	static bool STFDX(ppu_thread&, ppu_opcode_t);
 	static bool STFDUX(ppu_thread&, ppu_opcode_t);
-	static bool LVLXL(ppu_thread&, ppu_opcode_t);
 	static bool LHBRX(ppu_thread&, ppu_opcode_t);
 	static bool SRAW(ppu_thread&, ppu_opcode_t);
 	static bool SRAD(ppu_thread&, ppu_opcode_t);
-	static bool LVRXL(ppu_thread&, ppu_opcode_t);
 	static bool DSS(ppu_thread&, ppu_opcode_t);
 	static bool SRAWI(ppu_thread&, ppu_opcode_t);
 	static bool SRADI(ppu_thread&, ppu_opcode_t);
 	static bool EIEIO(ppu_thread&, ppu_opcode_t);
-	static bool STVLXL(ppu_thread&, ppu_opcode_t);
 	static bool STHBRX(ppu_thread&, ppu_opcode_t);
 	static bool EXTSH(ppu_thread&, ppu_opcode_t);
-	static bool STVRXL(ppu_thread&, ppu_opcode_t);
 	static bool EXTSB(ppu_thread&, ppu_opcode_t);
 	static bool STFIWX(ppu_thread&, ppu_opcode_t);
 	static bool EXTSW(ppu_thread&, ppu_opcode_t);
@@ -362,6 +355,16 @@ struct ppu_interpreter
 
 struct ppu_interpreter_precise final : ppu_interpreter
 {
+	static bool VPERM(ppu_thread&, ppu_opcode_t);
+	static bool LVLX(ppu_thread&, ppu_opcode_t);
+	static bool LVLXL(ppu_thread&, ppu_opcode_t);
+	static bool LVRX(ppu_thread&, ppu_opcode_t);
+	static bool LVRXL(ppu_thread&, ppu_opcode_t);
+	static bool STVLX(ppu_thread&, ppu_opcode_t);
+	static bool STVLXL(ppu_thread&, ppu_opcode_t);
+	static bool STVRX(ppu_thread&, ppu_opcode_t);
+	static bool STVRXL(ppu_thread&, ppu_opcode_t);
+
 	static bool VPKSHSS(ppu_thread&, ppu_opcode_t);
 	static bool VPKSHUS(ppu_thread&, ppu_opcode_t);
 	static bool VPKSWSS(ppu_thread&, ppu_opcode_t);
@@ -395,6 +398,16 @@ struct ppu_interpreter_precise final : ppu_interpreter
 
 struct ppu_interpreter_fast final : ppu_interpreter
 {
+	static bool VPERM(ppu_thread&, ppu_opcode_t);
+	static bool LVLX(ppu_thread&, ppu_opcode_t);
+	static bool LVLXL(ppu_thread&, ppu_opcode_t);
+	static bool LVRX(ppu_thread&, ppu_opcode_t);
+	static bool LVRXL(ppu_thread&, ppu_opcode_t);
+	static bool STVLX(ppu_thread&, ppu_opcode_t);
+	static bool STVLXL(ppu_thread&, ppu_opcode_t);
+	static bool STVRX(ppu_thread&, ppu_opcode_t);
+	static bool STVRXL(ppu_thread&, ppu_opcode_t);
+
 	static bool VPKSHSS(ppu_thread&, ppu_opcode_t);
 	static bool VPKSHUS(ppu_thread&, ppu_opcode_t);
 	static bool VPKSWSS(ppu_thread&, ppu_opcode_t);

rpcs3/Emu/Cell/PPUOpcodes.h

@@ -555,6 +555,12 @@ public:
 		});
 	}
 
+	template <typename F>
+	ppu_decoder(F&& init) : ppu_decoder()
+	{
+		init(m_table);
+	}
+
 	const std::array<T, 0x20000>& get_table() const
 	{
 		return m_table;

rpcs3/Emu/Cell/PPUThread.cpp

@@ -56,6 +56,16 @@
 
 const bool s_use_rtm = utils::has_rtm();
 
+const bool s_use_ssse3 =
+#ifdef _MSC_VER
+	utils::has_ssse3();
+#elif __SSSE3__
+	true;
+#else
+	false;
+#define _mm_shuffle_epi8
+#endif
+
 extern u64 get_system_time();
 
 namespace vm { using namespace ps3; }
@@ -101,8 +111,57 @@ void fmt_class_string<ppu_decoder_type>::format(std::string& out, u64 arg)
 	});
 }
 
-const ppu_decoder<ppu_interpreter_precise> s_ppu_interpreter_precise;
+// Table of identical interpreter functions when precise contains SSE2 version, and fast contains SSSE3 functions
-const ppu_decoder<ppu_interpreter_fast> s_ppu_interpreter_fast;
+const std::pair<ppu_inter_func_t, ppu_inter_func_t> s_ppu_dispatch_table[]
+{
+#define FUNC(x) {&ppu_interpreter_precise::x, &ppu_interpreter_fast::x}
+	FUNC(VPERM),
+	FUNC(LVLX),
+	FUNC(LVLXL),
+	FUNC(LVRX),
+	FUNC(LVRXL),
+	FUNC(STVLX),
+	FUNC(STVLXL),
+	FUNC(STVRX),
+	FUNC(STVRXL),
+#undef FUNC
+};
+
+extern const ppu_decoder<ppu_interpreter_precise> g_ppu_interpreter_precise([](auto& table)
+{
+	if (s_use_ssse3)
+	{
+		for (auto& func : table)
+		{
+			for (const auto& pair : s_ppu_dispatch_table)
+			{
+				if (pair.first == func)
+				{
+					func = pair.second;
+					break;
+				}
+			}
+		}
+	}
+});
+
+extern const ppu_decoder<ppu_interpreter_fast> g_ppu_interpreter_fast([](auto& table)
+{
+	if (!s_use_ssse3)
+	{
+		for (auto& func : table)
+		{
+			for (const auto& pair : s_ppu_dispatch_table)
+			{
+				if (pair.second == func)
+				{
+					func = pair.first;
+					break;
+				}
+			}
+		}
+	}
+});
 
 extern void ppu_initialize();
 extern void ppu_initialize(const ppu_module& info);
@@ -120,8 +179,8 @@ static u32 ppu_cache(u32 addr)
 {
 	// Select opcode table
 	const auto& table = *(
-		g_cfg.core.ppu_decoder == ppu_decoder_type::precise ? &s_ppu_interpreter_precise.get_table() :
+		g_cfg.core.ppu_decoder == ppu_decoder_type::precise ? &g_ppu_interpreter_precise.get_table() :
-		g_cfg.core.ppu_decoder == ppu_decoder_type::fast ? &s_ppu_interpreter_fast.get_table() :
+		g_cfg.core.ppu_decoder == ppu_decoder_type::fast ? &g_ppu_interpreter_fast.get_table() :
 		(fmt::throw_exception<std::logic_error>("Invalid PPU decoder"), nullptr));
 
 	return ::narrow<u32>(reinterpret_cast<std::uintptr_t>(table[ppu_decode(vm::read32(addr))]));
@@ -455,7 +514,9 @@ void ppu_thread::cpu_task()
 		{
 		case ppu_cmd::opcode:
 		{
-			cmd_pop(), s_ppu_interpreter_fast.decode(arg)(*this, {arg});
+			cmd_pop(), g_cfg.core.ppu_decoder == ppu_decoder_type::precise
+				? g_ppu_interpreter_precise.decode(arg)(*this, {arg})
+				: g_ppu_interpreter_fast.decode(arg)(*this, {arg});
 			break;
 		}
 		case ppu_cmd::set_gpr:
@@ -545,7 +606,7 @@ void ppu_thread::exec_task()
 			continue;
 		}
 
-		if (cia % 16)
+		if (cia % 16 || !s_use_ssse3)
 		{
 			// Unaligned
 			const u32 op = *reinterpret_cast<const be_t<u32>*>(base + cia);
@@ -808,12 +869,17 @@ extern ppu_function_t ppu_get_syscall(u64 code);
 extern __m128 sse_exp2_ps(__m128 A);
 extern __m128 sse_log2_ps(__m128 A);
 extern __m128i sse_altivec_vperm(__m128i A, __m128i B, __m128i C);
+extern __m128i sse_altivec_vperm_v0(__m128i A, __m128i B, __m128i C);
 extern __m128i sse_altivec_lvsl(u64 addr);
 extern __m128i sse_altivec_lvsr(u64 addr);
 extern __m128i sse_cellbe_lvlx(u64 addr);
 extern __m128i sse_cellbe_lvrx(u64 addr);
 extern void sse_cellbe_stvlx(u64 addr, __m128i a);
 extern void sse_cellbe_stvrx(u64 addr, __m128i a);
+extern __m128i sse_cellbe_lvlx_v0(u64 addr);
+extern __m128i sse_cellbe_lvrx_v0(u64 addr);
+extern void sse_cellbe_stvlx_v0(u64 addr, __m128i a);
+extern void sse_cellbe_stvrx_v0(u64 addr, __m128i a);
 
 [[noreturn]] static void ppu_trap(ppu_thread& ppu, u64 addr)
 {
@@ -1024,13 +1090,13 @@ extern void ppu_initialize(const ppu_module& info)
 			{ "__stdcx", (u64)&ppu_stdcx },
 			{ "__vexptefp", (u64)&sse_exp2_ps },
 			{ "__vlogefp", (u64)&sse_log2_ps },
-			{ "__vperm", (u64)&sse_altivec_vperm },
+			{ "__vperm", s_use_ssse3 ? (u64)&sse_altivec_vperm : (u64)&sse_altivec_vperm_v0 },
 			{ "__lvsl", (u64)&sse_altivec_lvsl },
 			{ "__lvsr", (u64)&sse_altivec_lvsr },
-			{ "__lvlx", (u64)&sse_cellbe_lvlx },
+			{ "__lvlx", s_use_ssse3 ? (u64)&sse_cellbe_lvlx : (u64)&sse_cellbe_lvlx_v0 },
-			{ "__lvrx", (u64)&sse_cellbe_lvrx },
+			{ "__lvrx", s_use_ssse3 ? (u64)&sse_cellbe_lvrx : (u64)&sse_cellbe_lvrx_v0 },
-			{ "__stvlx", (u64)&sse_cellbe_stvlx },
+			{ "__stvlx", s_use_ssse3 ? (u64)&sse_cellbe_stvlx : (u64)&sse_cellbe_stvlx_v0 },
-			{ "__stvrx", (u64)&sse_cellbe_stvrx },
+			{ "__stvrx", s_use_ssse3 ? (u64)&sse_cellbe_stvrx : (u64)&sse_cellbe_stvrx_v0 },
 		};
 
 		for (u64 index = 0; index < 1024; index++)

rpcs3/rpcs3qt/main_window.cpp

@@ -110,15 +110,6 @@ void main_window::Init()
 	Q_EMIT RequestGlobalStylesheetChange(guiSettings->GetCurrentStylesheetPath());
 	ConfigureGuiFromSettings(true);
 
-	if (!utils::has_ssse3())
-	{
-		QMessageBox::critical(this, "SSSE3 Error (with three S, not two)",
-			"Your system does not meet the minimum requirements needed to run RPCS3.\n"
-			"Your CPU does not support SSSE3 (with three S, not two).\n");
-
-		std::exit(EXIT_FAILURE);
-	}
-
 #ifdef BRANCH
 	if ("RPCS3/rpcs3/master"s != STRINGIZE(BRANCH) && ""s != STRINGIZE(BRANCH))
 #else