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6711316: Open source the Garbage-First garbage collector

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First mercurial integration of the code for the Garbage-First garbage collector.

Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr
This commit is contained in:
Y. Srinivas Ramakrishna 2008-06-05 15:57:56 -07:00
parent 39463bb3fc
commit 18f3386a98
215 changed files with 36088 additions and 1249 deletions
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5
hotspot/src/share/vm/adlc/formssel.cpp
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@ -3767,6 +3767,10 @@ bool MatchRule::is_chain_rule(FormDict &globals) const {
int MatchRule::is_ideal_copy() const {
if( _rChild ) {
const char *opType = _rChild->_opType;
#if 1
if( strcmp(opType,"CastIP")==0 )
return 1;
#else
if( strcmp(opType,"CastII")==0 )
return 1;
// Do not treat *CastPP this way, because it
@ -3786,6 +3790,7 @@ int MatchRule::is_ideal_copy() const {
// return 1;
//if( strcmp(opType,"CastP2X")==0 )
// return 1;
#endif
}
if( is_chain_rule(_AD.globalNames()) &&
_lChild && strncmp(_lChild->_opType,"stackSlot",9)==0 )