adlertz [Wed, 19 Jun 2013 00:41:56 +0200] rev 18105
8001345: VM crashes with assert(n->outcnt() != 0 || C->top() == n || n->is_Proj()) failed: No dead instructions after post-alloc
Summary: Remove unnecessary LoadN / DecodeN nodes at MemBarAcquire nodes.
Reviewed-by: kvn, roland
adlertz [Fri, 14 Jun 2013 01:19:56 +0200] rev 18102
8016157: During CTW: C2: assert(!def_outside->member(r)) failed: Use of external LRG overlaps the same LRG defined in this block
Summary: Disable rematerialization for negD node
Reviewed-by: kvn, roland