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6958292: C1: Enable parallel compilation

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Enable parallel compilation in C1

Reviewed-by: never, kvn
This commit is contained in:
Igor Veresov 2010-06-04 11:18:04 -07:00
parent 36f8c82970
commit 00b75f8353
30 changed files with 328 additions and 344 deletions
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7
hotspot/src/share/vm/c1/c1_GraphBuilder.cpp
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@ -2530,16 +2530,10 @@ void GraphBuilder::iterate_all_blocks(bool start_in_current_block_for_inlining)
}
bool GraphBuilder::_is_initialized = false;
bool GraphBuilder::_can_trap [Bytecodes::number_of_java_codes];
bool GraphBuilder::_is_async[Bytecodes::number_of_java_codes];
void GraphBuilder::initialize() {
// make sure initialization happens only once (need a
// lock here, if we allow the compiler to be re-entrant)
if (is_initialized()) return;
_is_initialized = true;
// the following bytecodes are assumed to potentially
// throw exceptions in compiled code - note that e.g.
// monitorexit & the return bytecodes do not throw
@ -2855,7 +2849,6 @@ GraphBuilder::GraphBuilder(Compilation* compilation, IRScope* scope)
BlockList* bci2block = blm.bci2block();
BlockBegin* start_block = bci2block->at(0);
assert(is_initialized(), "GraphBuilder must have been initialized");
push_root_scope(scope, bci2block, start_block);
// setup state for std entry