Mercurial > hg > release > icedtea7-forest-2.2 > hotspot
changeset 3475:043ccbc6b82c
7198606: Improve VM optimization
Reviewed-by: roland, twisti
author | kvn |
---|---|
date | Wed, 19 Sep 2012 21:14:10 -0700 |
parents | b86d003a0ed6 |
children | 864418cd5667 |
files | src/share/vm/opto/loopTransform.cpp |
diffstat | 1 files changed, 3 insertions(+), 0 deletions(-) [+] |
line wrap: on
line diff
--- a/src/share/vm/opto/loopTransform.cpp Mon Jun 18 09:50:43 2012 -0700 +++ b/src/share/vm/opto/loopTransform.cpp Wed Sep 19 21:14:10 2012 -0700 @@ -2733,6 +2733,8 @@ result_mem = new (C, 1) ProjNode(call,TypeFunc::Memory); _igvn.register_new_node_with_optimizer(result_mem); +/* Disable following optimization until proper fix (add missing checks). + // If this fill is tightly coupled to an allocation and overwrites // the whole body, allow it to take over the zeroing. AllocateNode* alloc = AllocateNode::Ideal_allocation(base, this); @@ -2756,6 +2758,7 @@ #endif } } +*/ // Redirect the old control and memory edges that are outside the loop. Node* exit = head->loopexit()->proj_out(0);