Mercurial > hg > truffle
comparison src/share/vm/opto/reg_split.cpp @ 12075:4b2838704fd5
8021898: Broken JIT compiler optimization for loop unswitching
Summary: fix method clone_projs() to clone all related MachProj nodes.
Reviewed-by: roland, adlertz
| author | kvn |
|---|---|
| date | Fri, 16 Aug 2013 14:11:40 -0700 |
| parents | adb9a7d94cb5 |
| children | 650868c062a9 |
comparison
equal
deleted
inserted
replaced
| 12074:d18b10b1fd09 | 12075:4b2838704fd5 |
|---|---|
| 395 // Increment the counter for this lrg | 395 // Increment the counter for this lrg |
| 396 splits.at_put(slidx, splits.at(slidx)+1); | 396 splits.at_put(slidx, splits.at(slidx)+1); |
| 397 #endif | 397 #endif |
| 398 // See if the cloned def kills any flags, and copy those kills as well | 398 // See if the cloned def kills any flags, and copy those kills as well |
| 399 uint i = insidx+1; | 399 uint i = insidx+1; |
| 400 if( clone_projs( b, i, def, spill, maxlrg) ) { | 400 int found_projs = clone_projs( b, i, def, spill, maxlrg); |
| 401 if (found_projs > 0) { | |
| 401 // Adjust the point where we go hi-pressure | 402 // Adjust the point where we go hi-pressure |
| 402 if( i <= b->_ihrp_index ) b->_ihrp_index++; | 403 if (i <= b->_ihrp_index) { |
| 403 if( i <= b->_fhrp_index ) b->_fhrp_index++; | 404 b->_ihrp_index += found_projs; |
| 405 } | |
| 406 if (i <= b->_fhrp_index) { | |
| 407 b->_fhrp_index += found_projs; | |
| 408 } | |
| 404 } | 409 } |
| 405 | 410 |
| 406 return spill; | 411 return spill; |
| 407 } | 412 } |
| 408 | 413 |