EVALUATION

http://hg.openjdk.java.net/lambda/lambda/hotspot/rev/031df0387c09
                                     

EVALUATION

http://hg.openjdk.java.net/hsx/hsx23/hotspot/rev/34a4f7687460
                                     

EVALUATION

http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/031df0387c09
                                     

EVALUATION

The slot if being incremented before it's used to generate the oopmap entry so it's off by one.
             
diff -r 2ee7dcc77c63 src/cpu/x86/vm/sharedRuntime_x86_64.cpp
--- a/src/cpu/x86/vm/sharedRuntime_x86_64.cpp
+++ b/src/cpu/x86/vm/sharedRuntime_x86_64.cpp
@@ -1197,7 +1197,6 @@
     if (in_regs[i].first()->is_Register() &&
         (in_sig_bt[i] == T_LONG || in_sig_bt[i] == T_ARRAY)) {
       int offset = slot * VMRegImpl::stack_slot_size;
-      slot += VMRegImpl::slots_per_word;
       if (map != NULL) {
         __ movq(Address(rsp, offset), in_regs[i].first()->as_Register());
         if (in_sig_bt[i] == T_ARRAY) {
@@ -1206,6 +1205,7 @@
       } else {
         __ movq(in_regs[i].first()->as_Register(), Address(rsp, offset));
       }
+      slot += VMRegImpl::slots_per_word;
     }
   }
   // Save or restore single word registers