--- a/hotspot/src/cpu/x86/vm/templateInterpreter_x86_64.cpp Wed Oct 23 19:22:28 2013 +0000
+++ b/hotspot/src/cpu/x86/vm/templateInterpreter_x86_64.cpp Thu Oct 24 16:23:07 2013 -0700
@@ -166,7 +166,7 @@
}
-address TemplateInterpreterGenerator::generate_return_entry_for(TosState state, int step) {
+address TemplateInterpreterGenerator::generate_return_entry_for(TosState state, int step, size_t index_size) {
address entry = __ pc();
// Restore stack bottom in case i2c adjusted stack
@@ -183,28 +183,16 @@
__ profile_return_type(mdp, rax, tmp);
}
- Label L_got_cache, L_giant_index;
- if (EnableInvokeDynamic) {
- __ cmpb(Address(r13, 0), Bytecodes::_invokedynamic);
- __ jcc(Assembler::equal, L_giant_index);
- }
- __ get_cache_and_index_at_bcp(rbx, rcx, 1, sizeof(u2));
- __ bind(L_got_cache);
- __ movl(rbx, Address(rbx, rcx,
- Address::times_ptr,
- in_bytes(ConstantPoolCache::base_offset()) +
- 3 * wordSize));
- __ andl(rbx, 0xFF);
- __ lea(rsp, Address(rsp, rbx, Address::times_8));
+ const Register cache = rbx;
+ const Register index = rcx;
+ __ get_cache_and_index_at_bcp(cache, index, 1, index_size);
+
+ const Register flags = cache;
+ __ movl(flags, Address(cache, index, Address::times_ptr, ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::flags_offset()));
+ __ andl(flags, ConstantPoolCacheEntry::parameter_size_mask);
+ __ lea(rsp, Address(rsp, flags, Interpreter::stackElementScale()));
__ dispatch_next(state, step);
- // out of the main line of code...
- if (EnableInvokeDynamic) {
- __ bind(L_giant_index);
- __ get_cache_and_index_at_bcp(rbx, rcx, 1, sizeof(u4));
- __ jmp(L_got_cache);
- }
-
return entry;
}