Mercurial > hg > truffle
diff src/share/vm/opto/c2compiler.cpp @ 10278:6f3fd5150b67
6934604: enable parts of EliminateAutoBox by default
Summary: Resurrected autobox elimination code and enabled part of it by default.
Reviewed-by: roland, twisti
author | kvn |
---|---|
date | Wed, 08 May 2013 15:08:01 -0700 |
parents | 1d1603768966 |
children | 469216acdb28 d2907f74462e |
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--- a/src/share/vm/opto/c2compiler.cpp Mon May 06 19:49:23 2013 -0700 +++ b/src/share/vm/opto/c2compiler.cpp Wed May 08 15:08:01 2013 -0700 @@ -125,9 +125,10 @@ bool subsume_loads = SubsumeLoads; 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. - Compile C(env, this, target, entry_bci, subsume_loads, do_escape_analysis); + Compile C(env, this, target, entry_bci, subsume_loads, do_escape_analysis, eliminate_boxing); // Check result and retry if appropriate. @@ -142,6 +143,12 @@ do_escape_analysis = false; continue; // retry } + if (C.has_boxed_value()) { + // Recompile without boxing elimination regardless failure reason. + assert(eliminate_boxing, "must make progress"); + eliminate_boxing = false; + continue; // retry + } // Pass any other failure reason up to the ciEnv. // Note that serious, irreversible failures are already logged // on the ciEnv via env->record_method_not_compilable().