src/hotspot/cpu/aarch64/vm_version_aarch64.cpp

rev 60476 : manual merge with default

@@ -451,10 +451,23 @@
   }
   if (FLAG_IS_DEFAULT(UseMontgomerySquareIntrinsic)) {
     UseMontgomerySquareIntrinsic = true;
   }
 
+  int min_vector_size = 8;
+
+  if (!FLAG_IS_DEFAULT(MaxVectorSize)) {
+    if (MaxVectorSize < min_vector_size) {
+      warning("MaxVectorSize must be at least %i on this platform", min_vector_size);
+      FLAG_SET_DEFAULT(MaxVectorSize, min_vector_size);
+    }
+  } else {
+    if (UseSVE > 0) {
+      MaxVectorSize = 256;
+    }
+  }
+
   if (FLAG_IS_DEFAULT(OptoScheduling)) {
     OptoScheduling = true;
   }
 
   if (FLAG_IS_DEFAULT(AlignVector)) {