Mercurial > hg > truffle
comparison src/share/vm/opto/ifg.cpp @ 628:7bb995fbd3c0
Merge
| author | trims |
|---|---|
| date | Thu, 12 Mar 2009 18:16:36 -0700 |
| parents | 0fbdb4381b99 98cb887364d3 |
| children | 0e14bd797dad |
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| 580:ce2272390558 | 628:7bb995fbd3c0 |
|---|---|
| 290 #endif | 290 #endif |
| 291 | 291 |
| 292 //------------------------------interfere_with_live---------------------------- | 292 //------------------------------interfere_with_live---------------------------- |
| 293 // Interfere this register with everything currently live. Use the RegMasks | 293 // Interfere this register with everything currently live. Use the RegMasks |
| 294 // to trim the set of possible interferences. Return a count of register-only | 294 // to trim the set of possible interferences. Return a count of register-only |
| 295 // inteferences as an estimate of register pressure. | 295 // interferences as an estimate of register pressure. |
| 296 void PhaseChaitin::interfere_with_live( uint r, IndexSet *liveout ) { | 296 void PhaseChaitin::interfere_with_live( uint r, IndexSet *liveout ) { |
| 297 uint retval = 0; | 297 uint retval = 0; |
| 298 // Interfere with everything live. | 298 // Interfere with everything live. |
| 299 const RegMask &rm = lrgs(r).mask(); | 299 const RegMask &rm = lrgs(r).mask(); |
| 300 // Check for interference by checking overlap of regmasks. | 300 // Check for interference by checking overlap of regmasks. |