Stop backing up xmm registers

The game will clobber them anyway
Sirius902 · Aug 15, 2021 · adcffb5 · adcffb5
1 parent f224ae3
commit adcffb5
Showing 1 changed file with 3 additions and 19 deletions.
diff --git a/LuaBackendDLL/main_dll.cpp b/LuaBackendDLL/main_dll.cpp
@@ -4,9 +4,6 @@
 #include <string_view>
 #include <vector>
 
-#include <condition_variable>
-#include <thread>
-#include <mutex>
 #include <unordered_map>
 #include <optional>
 
@@ -269,15 +266,8 @@ void hookGame(uint64_t moduleAddress) {
     std::vector<uint8_t> func{
         PushRbx,
         PUSHF_1, PUSHF_2,
-        0x48, 0x89, 0xE3,                   // mov rbx, rsp
-        0x48, 0x83, 0xE4, 0xF0,             // and rsp, -0x10
-        0x48, 0x83, 0xEC, 0x60,             // sub rsp, 0x60
-        0x66, 0x0F, 0x7F, 0x04, 0x24,       // movdqa [rsp], xmm0
-        0x66, 0x0F, 0x7F, 0x4C, 0x24, 0x10, // movdqa [rsp+0x10], xmm1
-        0x66, 0x0F, 0x7F, 0x54, 0x24, 0x20, // movdqa [rsp+0x20], xmm2
-        0x66, 0x0F, 0x7F, 0x5C, 0x24, 0x30, // movdqa [rsp+0x30], xmm3
-        0x66, 0x0F, 0x7F, 0x64, 0x24, 0x40, // movdqa [rsp+0x40], xmm4
-        0x66, 0x0F, 0x7F, 0x6C, 0x24, 0x50, // movdqa [rsp+0x50], xmm5
+        0x48, 0x89, 0xE3,       // mov rbx, rsp
+        0x48, 0x83, 0xE4, 0xF0, // and rsp, -0x10
         PushRax,
         PushRcx,
         PushRdx,
@@ -295,13 +285,7 @@ void hookGame(uint64_t moduleAddress) {
         PopRdx,
         PopRcx,
         PopRax,
-        0x66, 0x0F, 0x6F, 0x6C, 0x24, 0x50, // movdqa xmm5, [rsp+0x50]
-        0x66, 0x0F, 0x6F, 0x64, 0x24, 0x40, // movdqa xmm4, [rsp+0x40]
-        0x66, 0x0F, 0x6F, 0x5C, 0x24, 0x30, // movdqa xmm3, [rsp+0x30]
-        0x66, 0x0F, 0x6F, 0x54, 0x24, 0x20, // movdqa xmm2, [rsp+0x20]
-        0x66, 0x0F, 0x6F, 0x4C, 0x24, 0x10, // movdqa xmm1, [rsp+0x10]
-        0x66, 0x0F, 0x6F, 0x04, 0x24,       // movdqa xmm0, [rsp]
-        0x48, 0x89, 0xDC,                   // mov rsp, rbx
+        0x48, 0x89, 0xDC,       // mov rsp, rbx
         POPF_1, POPF_2,
         PopRbx,
     };