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comparison src/share/vm/adlc/formssel.cpp @ 342:37f87013dfd8

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6711316: Open source the Garbage-First garbage collector Summary: First mercurial integration of the code for the Garbage-First garbage collector. Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr
author ysr
date Thu, 05 Jun 2008 15:57:56 -0700
parents ba764ed4b6f2
children 6aae2f9d0294
comparison
equal deleted inserted replaced
189:0b27f3512f9e 342:37f87013dfd8
3765 } 3765 }
3766 3766
3767 int MatchRule::is_ideal_copy() const { 3767 int MatchRule::is_ideal_copy() const {
3768 if( _rChild ) { 3768 if( _rChild ) {
3769 const char *opType = _rChild->_opType; 3769 const char *opType = _rChild->_opType;
3770 #if 1
3771 if( strcmp(opType,"CastIP")==0 )
3772 return 1;
3773 #else
3770 if( strcmp(opType,"CastII")==0 ) 3774 if( strcmp(opType,"CastII")==0 )
3771 return 1; 3775 return 1;
3772 // Do not treat *CastPP this way, because it 3776 // Do not treat *CastPP this way, because it
3773 // may transfer a raw pointer to an oop. 3777 // may transfer a raw pointer to an oop.
3774 // If the register allocator were to coalesce this 3778 // If the register allocator were to coalesce this
3784 // Output(). 3788 // Output().
3785 //if( strcmp(opType,"CastX2P")==0 ) 3789 //if( strcmp(opType,"CastX2P")==0 )
3786 // return 1; 3790 // return 1;
3787 //if( strcmp(opType,"CastP2X")==0 ) 3791 //if( strcmp(opType,"CastP2X")==0 )
3788 // return 1; 3792 // return 1;
3793 #endif
3789 } 3794 }
3790 if( is_chain_rule(_AD.globalNames()) && 3795 if( is_chain_rule(_AD.globalNames()) &&
3791 _lChild && strncmp(_lChild->_opType,"stackSlot",9)==0 ) 3796 _lChild && strncmp(_lChild->_opType,"stackSlot",9)==0 )
3792 return 1; 3797 return 1;
3793 return 0; 3798 return 0;