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8166972: [JVMCI] reduce size of interpreter when JVMCI is enabled

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Reviewed-by: kvn, twisti
This commit is contained in:
Tom Rodriguez 2016-10-18 17:06:58 +00:00
parent 8302237d39
commit fff2e89e6d
3 changed files with 40 additions and 7 deletions
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16
hotspot/src/cpu/sparc/vm/templateInterpreterGenerator_sparc.cpp
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@ -384,8 +384,9 @@ address TemplateInterpreterGenerator::generate_deopt_entry_for(TosState state, i
address entry = __ pc();
__ get_constant_pool_cache(LcpoolCache); // load LcpoolCache
#if INCLUDE_JVMCI
// Check if we need to take lock at entry of synchronized method.
if (UseJVMCICompiler) {
// Check if we need to take lock at entry of synchronized method. This can
// only occur on method entry so emit it only for vtos with step 0.
if (UseJVMCICompiler && state == vtos && step == 0) {
Label L;
Address pending_monitor_enter_addr(G2_thread, JavaThread::pending_monitorenter_offset());
__ ldbool(pending_monitor_enter_addr, Gtemp); // Load if pending monitor enter
@ -395,6 +396,17 @@ address TemplateInterpreterGenerator::generate_deopt_entry_for(TosState state, i
// Take lock.
lock_method();
__ bind(L);
} else {
#ifdef ASSERT
if (UseJVMCICompiler) {
Label L;
Address pending_monitor_enter_addr(G2_thread, JavaThread::pending_monitorenter_offset());
__ ldbool(pending_monitor_enter_addr, Gtemp); // Load if pending monitor enter
__ cmp_and_br_short(Gtemp, G0, Assembler::equal, Assembler::pn, L);
__ stop("unexpected pending monitor in deopt entry");
__ bind(L);
}
#endif
}
#endif
{ Label L;