Cleanup CPU detection and tuning for old CPUs.

2020-05-20 20:42:04 +02:00
parent 5bf0da3d7c
commit 0eddcbead2
9 changed files with 86 additions and 137 deletions
--- a/src/lj_dispatch.c
+++ b/src/lj_dispatch.c
@@ -252,15 +252,8 @@ int luaJIT_setmode(lua_State *L, int idx, int mode)
    } else {
      if (!(mode & LUAJIT_MODE_ON))
 	G2J(g)->flags &= ~(uint32_t)JIT_F_ON;
-#if LJ_TARGET_X86ORX64
-      else if ((G2J(g)->flags & JIT_F_SSE2))
-	G2J(g)->flags |= (uint32_t)JIT_F_ON;
-      else
-	return 0;  /* Don't turn on JIT compiler without SSE2 support. */
-#else
      else
 	G2J(g)->flags |= (uint32_t)JIT_F_ON;
-#endif
      lj_dispatch_update(g);
    }
    break;