--- a/hotspot/src/cpu/sparc/vm/templateInterpreter_sparc.cpp Wed Oct 23 19:22:28 2013 +0000
+++ b/hotspot/src/cpu/sparc/vm/templateInterpreter_sparc.cpp Thu Oct 24 16:23:07 2013 -0700
@@ -153,13 +153,9 @@
}
-address TemplateInterpreterGenerator::generate_return_entry_for(TosState state, int step) {
- TosState incoming_state = state;
+address TemplateInterpreterGenerator::generate_return_entry_for(TosState state, int step, size_t index_size) {
+ address entry = __ pc();
- Label cont;
- address compiled_entry = __ pc();
-
- address entry = __ pc();
#if !defined(_LP64) && defined(COMPILER2)
// All return values are where we want them, except for Longs. C2 returns
// longs in G1 in the 32-bit build whereas the interpreter wants them in O0/O1.
@@ -170,14 +166,12 @@
// do this here. Unfortunately if we did a rethrow we'd see an machepilog node
// first which would move g1 -> O0/O1 and destroy the exception we were throwing.
- if (incoming_state == ltos) {
+ if (state == ltos) {
__ srl (G1, 0, O1);
__ srlx(G1, 32, O0);
}
#endif // !_LP64 && COMPILER2
- __ bind(cont);
-
// The callee returns with the stack possibly adjusted by adapter transition
// We remove that possible adjustment here.
// All interpreter local registers are untouched. Any result is passed back
@@ -186,29 +180,18 @@
__ mov(Llast_SP, SP); // Remove any adapter added stack space.
- Label L_got_cache, L_giant_index;
const Register cache = G3_scratch;
- const Register size = G1_scratch;
- if (EnableInvokeDynamic) {
- __ ldub(Address(Lbcp, 0), G1_scratch); // Load current bytecode.
- __ cmp_and_br_short(G1_scratch, Bytecodes::_invokedynamic, Assembler::equal, Assembler::pn, L_giant_index);
- }
- __ get_cache_and_index_at_bcp(cache, G1_scratch, 1);
- __ bind(L_got_cache);
- __ ld_ptr(cache, ConstantPoolCache::base_offset() +
- ConstantPoolCacheEntry::flags_offset(), size);
- __ and3(size, 0xFF, size); // argument size in words
- __ sll(size, Interpreter::logStackElementSize, size); // each argument size in bytes
- __ add(Lesp, size, Lesp); // pop arguments
+ const Register index = G1_scratch;
+ __ get_cache_and_index_at_bcp(cache, index, 1, index_size);
+
+ const Register flags = cache;
+ __ ld_ptr(cache, ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::flags_offset(), flags);
+ const Register parameter_size = flags;
+ __ and3(flags, ConstantPoolCacheEntry::parameter_size_mask, parameter_size); // argument size in words
+ __ sll(parameter_size, Interpreter::logStackElementSize, parameter_size); // each argument size in bytes
+ __ add(Lesp, parameter_size, Lesp); // pop arguments
__ dispatch_next(state, step);
- // out of the main line of code...
- if (EnableInvokeDynamic) {
- __ bind(L_giant_index);
- __ get_cache_and_index_at_bcp(cache, G1_scratch, 1, sizeof(u4));
- __ ba_short(L_got_cache);
- }
-
return entry;
}