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7120481: storeStore barrier in constructor with final field

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Issue storestore barrier before constructor return if the constructor write final field.

Reviewed-by: dholmes, jrose, roland, coleenp
This commit is contained in:
Jiangli Zhou 2012-02-21 13:14:55 -05:00 • committed by Jiangli Zhou
parent a94cb97f4a
commit 3e904497b1
18 changed files with 155 additions and 1 deletions
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3
hotspot/src/share/vm/c1/c1_IR.hpp
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@ -149,6 +149,7 @@ class IRScope: public CompilationResourceObj {
XHandlers* _xhandlers; // the exception handlers
int _number_of_locks; // the number of monitor lock slots needed
bool _monitor_pairing_ok; // the monitor pairing info
bool _wrote_final; // has written final field
BlockBegin* _start; // the start block, successsors are method entries
BitMap _requires_phi_function; // bit is set if phi functions at loop headers are necessary for a local variable
@ -181,6 +182,8 @@ class IRScope: public CompilationResourceObj {
void set_min_number_of_locks(int n) { if (n > _number_of_locks) _number_of_locks = n; }
bool monitor_pairing_ok() const { return _monitor_pairing_ok; }
BlockBegin* start() const { return _start; }
void set_wrote_final() { _wrote_final = true; }
bool wrote_final () const { return _wrote_final; }
};