loader: add INSERTQ RDPID and CLWB fallbacks

Co-authored-by: nomolao2-cell <nomolao2@gmail.com>

src/loader/guestInstructionPatcher.h

@@ -11,6 +11,14 @@
 
 namespace Loader {
 
+struct GuestInstructionHostFeatures {
+	bool sse4a = false;
+	bool rdpid = false;
+	bool clwb  = false;
+};
+
+GuestInstructionHostFeatures GetGuestInstructionHostFeatures();
+
 struct InstructionPatchCounts {
 	uint64_t found   = 0;
 	uint64_t native  = 0;
@@ -39,6 +47,9 @@ struct GuestInstructionPatchResult {
 	uint64_t               indirect_red_zone_function_count         = 0;
 	InstructionPatchCounts reciprocal_sqrt;
 	InstructionPatchCounts extrq;
+	InstructionPatchCounts insertq;
+	InstructionPatchCounts rdpid;
+	InstructionPatchCounts clwb;
 };
 
 void RegisterGuestInstructionPatchModule(void* module_ptr, uint64_t module_size,
@@ -46,9 +57,10 @@ void RegisterGuestInstructionPatchModule(void* module_ptr, uint64_t module_size,
 void UnregisterGuestInstructionPatchModule(void* module_ptr);
 
 // Apply enabled instruction fixes using native trampolines or safe trap fallbacks.
-GuestInstructionPatchResult PatchGuestInstructions(uint64_t segment_addr, uint64_t segment_size,
-                                                   std::span<const uintptr_t> function_starts,
-                                                   bool protect_memory, bool emulate_amd);
+GuestInstructionPatchResult PatchGuestInstructions(
+    uint64_t segment_addr, uint64_t segment_size, std::span<const uintptr_t> function_starts,
+    bool protect_memory, bool emulate_amd,
+    GuestInstructionHostFeatures host_features = GetGuestInstructionHostFeatures());
 
 bool DecodeEhFrameFunctionStarts(uint64_t eh_frame_header_addr, uint64_t eh_frame_header_size,
                                  std::vector<uintptr_t>* function_starts);