Mercurial > hg > truffle
comparison src/cpu/x86/vm/assembler_x86.hpp @ 1684:66c5dadb4d61
6973308: Missing zero length check before repne scas in check_klass_subtype_slow_path()
Summary: set Z = 0 (not equal) before repne_scan() to indicate that class was not found when RCX == 0.
Reviewed-by: never, phh
| author | kvn |
|---|---|
| date | Fri, 30 Jul 2010 10:21:15 -0700 |
| parents | e9ff18c4ace7 |
| children | d6f45b55c972 |
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| 1683:99ceb0e99c9e | 1684:66c5dadb4d61 |
|---|---|
| 1712 void cmp_narrow_oop(Register dst, jobject obj); | 1712 void cmp_narrow_oop(Register dst, jobject obj); |
| 1713 void cmp_narrow_oop(Address dst, jobject obj); | 1713 void cmp_narrow_oop(Address dst, jobject obj); |
| 1714 | 1714 |
| 1715 // if heap base register is used - reinit it with the correct value | 1715 // if heap base register is used - reinit it with the correct value |
| 1716 void reinit_heapbase(); | 1716 void reinit_heapbase(); |
| 1717 | |
| 1718 DEBUG_ONLY(void verify_heapbase(const char* msg);) | |
| 1719 | |
| 1717 #endif // _LP64 | 1720 #endif // _LP64 |
| 1718 | 1721 |
| 1719 // Int division/remainder for Java | 1722 // Int division/remainder for Java |
| 1720 // (as idivl, but checks for special case as described in JVM spec.) | 1723 // (as idivl, but checks for special case as described in JVM spec.) |
| 1721 // returns idivl instruction offset for implicit exception handling | 1724 // returns idivl instruction offset for implicit exception handling |