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6798785: Crash in OopFlow::build_oop_map: incorrect comparison of 64bit pointers

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Reviewed-by: phh, kvn
This commit is contained in:
Tom Rodriguez 2009-02-04 11:44:57 -08:00
parent c46f747070
commit a70da64c72
2 changed files with 10 additions and 4 deletions
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7
hotspot/src/share/vm/adlc/dict2.cpp
View File

@ -316,9 +316,12 @@ int cmpstr(const void *k1, const void *k2) {
return strcmp((const char *)k1,(const char *)k2);
}
// Slimey cheap key comparator.
// Cheap key comparator.
int cmpkey(const void *key1, const void *key2) {
return (int)((intptr_t)key1 - (intptr_t)key2);
if (key1 == key2) return 0;
intptr_t delta = (intptr_t)key1 - (intptr_t)key2;
if (delta > 0) return 1;
return -1;
}
//=============================================================================

7
hotspot/src/share/vm/libadt/dict.cpp
View File

@ -346,9 +346,12 @@ int32 cmpstr(const void *k1, const void *k2) {
return strcmp((const char *)k1,(const char *)k2);
}
// Slimey cheap key comparator.
// Cheap key comparator.
int32 cmpkey(const void *key1, const void *key2) {
return (int32)((intptr_t)key1 - (intptr_t)key2);
if (key1 == key2) return 0;
intptr_t delta = (intptr_t)key1 - (intptr_t)key2;
if (delta > 0) return 1;
return -1;
}
//=============================================================================