archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-21 03:24:38 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

6829187: compiler optimizations required for JSR 292

Browse source 
C2 implementation for invokedynamic support.

Reviewed-by: kvn, never
This commit is contained in:
Christian Thalinger 2010-01-05 13:05:58 +01:00
parent 9be2e29930
commit 375527d84e
31 changed files with 566 additions and 89 deletions
Download patch file Download diff file Expand all files Collapse all files

9
hotspot/src/share/vm/opto/graphKit.cpp
View file

@ -981,14 +981,19 @@ bool GraphKit::compute_stack_effects(int& inputs, int& depth) {
case Bytecodes::_invokedynamic:
case Bytecodes::_invokeinterface:
{
bool is_static = (depth == 0);
bool ignore;
ciBytecodeStream iter(method());
iter.reset_to_bci(bci());
iter.next();
ciMethod* method = iter.get_method(ignore);
inputs = method->arg_size_no_receiver();
if (!is_static) inputs += 1;
// Add a receiver argument, maybe:
if (code != Bytecodes::_invokestatic &&
code != Bytecodes::_invokedynamic)
inputs += 1;
// (Do not use ciMethod::arg_size(), because
// it might be an unloaded method, which doesn't
// know whether it is static or not.)
int size = method->return_type()->size();
depth = size - inputs;
}