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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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8
hotspot/src/share/vm/c1/c1_LIR.cpp
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@ -464,6 +464,10 @@ void LIR_OpVisitState::visit(LIR_Op* op) {
case lir_membar: // result and info always invalid
case lir_membar_acquire: // result and info always invalid
case lir_membar_release: // result and info always invalid
case lir_membar_loadload: // result and info always invalid
case lir_membar_storestore: // result and info always invalid
case lir_membar_loadstore: // result and info always invalid
case lir_membar_storeload: // result and info always invalid
{
assert(op->as_Op0() != NULL, "must be");
assert(op->_info == NULL, "info not used by this instruction");
@ -1607,6 +1611,10 @@ const char * LIR_Op::name() const {
case lir_membar: s = "membar"; break;
case lir_membar_acquire: s = "membar_acquire"; break;
case lir_membar_release: s = "membar_release"; break;
case lir_membar_loadload: s = "membar_loadload"; break;
case lir_membar_storestore: s = "membar_storestore"; break;
case lir_membar_loadstore: s = "membar_loadstore"; break;
case lir_membar_storeload: s = "membar_storeload"; break;
case lir_word_align: s = "word_align"; break;
case lir_label: s = "label"; break;
case lir_nop: s = "nop"; break;