archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-21 11:34:38 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

6420645: Create a vm that uses compressed oops for up to 32gb heapsizes

Browse source 
Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv

Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
This commit is contained in:
Coleen Phillimore 2008-04-13 17:43:42 -04:00
parent 680ecf1611
commit 4a831d45f0
273 changed files with 6585 additions and 2993 deletions
Download patch file Download diff file Expand all files Collapse all files

8
hotspot/src/share/vm/opto/phaseX.hpp
View file

@ -383,6 +383,10 @@ public:
// Phase for iteratively performing local, pessimistic GVN-style optimizations.
// and ideal transformations on the graph.
class PhaseIterGVN : public PhaseGVN {
private:
bool _delay_transform; // When true simply register the node when calling transform
// instead of actually optimizing it
// Idealize old Node 'n' with respect to its inputs and its value
virtual Node *transform_old( Node *a_node );
protected:
@ -446,6 +450,10 @@ public:
subsume_node(old, nn);
}
void set_delay_transform(bool delay) {
_delay_transform = delay;
}
#ifndef PRODUCT
protected:
// Sub-quadratic implementation of VerifyIterativeGVN.