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6893268: additional dynamic language related optimizations in C2

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C2 needs some additional optimizations to be able to handle MethodHandle invokes and invokedynamic instructions at the best performance.

Reviewed-by: kvn, never
This commit is contained in:
Christian Thalinger 2010-01-05 15:21:25 +01:00
parent 375527d84e
commit 47f2433a58
52 changed files with 1781 additions and 342 deletions
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17
hotspot/src/share/vm/interpreter/rewriter.cpp
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@ -247,15 +247,22 @@ methodHandle Rewriter::rewrite_jsrs(methodHandle method, TRAPS) {
void Rewriter::rewrite(instanceKlassHandle klass, TRAPS) {
ResourceMark rm(THREAD);
Rewriter rw(klass, CHECK);
Rewriter rw(klass, klass->constants(), klass->methods(), CHECK);
// (That's all, folks.)
}
Rewriter::Rewriter(instanceKlassHandle klass, TRAPS)
void Rewriter::rewrite(instanceKlassHandle klass, constantPoolHandle cpool, objArrayHandle methods, TRAPS) {
ResourceMark rm(THREAD);
Rewriter rw(klass, cpool, methods, CHECK);
// (That's all, folks.)
}
Rewriter::Rewriter(instanceKlassHandle klass, constantPoolHandle cpool, objArrayHandle methods, TRAPS)
: _klass(klass),
// gather starting points
_pool( THREAD, klass->constants()),
_methods(THREAD, klass->methods())
_pool(cpool),
_methods(methods)
{
assert(_pool->cache() == NULL, "constant pool cache must not be set yet");