Mercurial > hg > graal-jvmci-8
comparison src/share/vm/libadt/dict.cpp @ 562:1580954e694c
6798785: Crash in OopFlow::build_oop_map: incorrect comparison of 64bit pointers
Reviewed-by: phh, kvn
| author | never |
|---|---|
| date | Wed, 04 Feb 2009 11:44:57 -0800 |
| parents | a61af66fc99e |
| children | 0fbdb4381b99 98cb887364d3 |
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| 561:5bfdb08ea692 | 562:1580954e694c |
|---|---|
| 344 //------------------------------Key Comparator Functions--------------------- | 344 //------------------------------Key Comparator Functions--------------------- |
| 345 int32 cmpstr(const void *k1, const void *k2) { | 345 int32 cmpstr(const void *k1, const void *k2) { |
| 346 return strcmp((const char *)k1,(const char *)k2); | 346 return strcmp((const char *)k1,(const char *)k2); |
| 347 } | 347 } |
| 348 | 348 |
| 349 // Slimey cheap key comparator. | 349 // Cheap key comparator. |
| 350 int32 cmpkey(const void *key1, const void *key2) { | 350 int32 cmpkey(const void *key1, const void *key2) { |
| 351 return (int32)((intptr_t)key1 - (intptr_t)key2); | 351 if (key1 == key2) return 0; |
| 352 intptr_t delta = (intptr_t)key1 - (intptr_t)key2; | |
| 353 if (delta > 0) return 1; | |
| 354 return -1; | |
| 352 } | 355 } |
| 353 | 356 |
| 354 //============================================================================= | 357 //============================================================================= |
| 355 //------------------------------reset------------------------------------------ | 358 //------------------------------reset------------------------------------------ |
| 356 // Create an iterator and initialize the first variables. | 359 // Create an iterator and initialize the first variables. |