no more ignoring vector registers

offamitkumar · Nov 18, 2024 · 697ec32 · 697ec32
1 parent 92b2631
commit 697ec32
Showing 1 changed file with 13 additions and 2 deletions.
diff --git a/src/hotspot/cpu/s390/gc/shared/barrierSetAssembler_s390.cpp b/src/hotspot/cpu/s390/gc/shared/barrierSetAssembler_s390.cpp
@@ -277,8 +277,19 @@ int SaveLiveRegisters::iterate_over_register_mask(IterationAction action, int of
           assert(action == ACTION_COUNT_ONLY, "Sanity");
         }
       }
-    } else if (false /* vm_reg->is_VectorRegister() */){
-      fatal("Vector register support is not there yet!");
+    } else if (vm_reg->is_VectorRegister()){
+      VectorRegister vs_reg = vm_reg->as_VectorRegister();
+      if (vs_reg->encoding() >= Z_V2->encoding() && vs_reg->encoding() <= Z_V31->encoding()) {
+        reg_save_index += 2;
+        Register spill_addr = Z_R0;
+        if (action == ACTION_SAVE) {
+          __ z_vst(vs_reg, Address(Z_SP, offset - reg_save_index * BytesPerWord));
+        } else if (action == ACTION_RESTORE) {
+          __ z_vl(vs_reg, Address(Z_SP, offset - reg_save_index * BytesPerWord));
+        } else {
+          assert(action == ACTION_COUNT_ONLY, "Sanity");
+        }
+      }
     } else {
       fatal("Register type is not known");
     }