Mercurial > hg > truffle
diff src/share/vm/opto/c2compiler.cpp @ 14422:2b8e28fdf503
Merge
author | kvn |
---|---|
date | Tue, 05 Nov 2013 17:38:04 -0800 |
parents | d2907f74462e 469216acdb28 |
children | abec000618bf |
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--- a/src/share/vm/opto/c2compiler.cpp Wed Oct 16 10:52:41 2013 +0200 +++ b/src/share/vm/opto/c2compiler.cpp Tue Nov 05 17:38:04 2013 -0800 @@ -47,9 +47,6 @@ # include "adfiles/ad_ppc_64.hpp" #endif - -volatile int C2Compiler::_runtimes = uninitialized; - // register information defined by ADLC extern const char register_save_policy[]; extern const int register_save_type[]; @@ -60,7 +57,7 @@ const char* C2Compiler::retry_no_escape_analysis() { return "retry without escape analysis"; } -void C2Compiler::initialize_runtime() { +bool C2Compiler::init_c2_runtime() { // Check assumptions used while running ADLC Compile::adlc_verification(); @@ -93,41 +90,31 @@ CompilerThread* thread = CompilerThread::current(); - HandleMark handle_mark(thread); - - OptoRuntime::generate(thread->env()); - + HandleMark handle_mark(thread); + return OptoRuntime::generate(thread->env()); } void C2Compiler::initialize() { - - // This method can only be called once per C2Compiler object // The first compiler thread that gets here will initialize the - // small amount of global state (and runtime stubs) that c2 needs. + // small amount of global state (and runtime stubs) that C2 needs. // There is a race possible once at startup and then we're fine // Note that this is being called from a compiler thread not the // main startup thread. - - if (_runtimes != initialized) { - initialize_runtimes( initialize_runtime, &_runtimes); + if (should_perform_init()) { + bool successful = C2Compiler::init_c2_runtime(); + int new_state = (successful) ? initialized : failed; + set_state(new_state); } - - // Mark this compiler object as ready to roll - mark_initialized(); } -void C2Compiler::compile_method(ciEnv* env, - ciMethod* target, - int entry_bci) { - if (!is_initialized()) { - initialize(); - } +void C2Compiler::compile_method(ciEnv* env, ciMethod* target, int entry_bci) { + assert(is_initialized(), "Compiler thread must be initialized"); + bool subsume_loads = SubsumeLoads; - bool do_escape_analysis = DoEscapeAnalysis && - !env->jvmti_can_access_local_variables(); + bool do_escape_analysis = DoEscapeAnalysis && !env->jvmti_can_access_local_variables(); bool eliminate_boxing = EliminateAutoBox; while (!env->failing()) { // Attempt to compile while subsuming loads into machine instructions.