This commit is contained in:
Robert Ottenhag 2011-02-21 04:49:17 -08:00
commit c4270e4517
28 changed files with 320 additions and 405 deletions

View file

@ -3103,6 +3103,19 @@ jint Arguments::parse(const JavaVMInitArgs* args) {
// Set flags if Aggressive optimization flags (-XX:+AggressiveOpts) enabled.
set_aggressive_opts_flags();
// Turn off biased locking for locking debug mode flags,
// which are subtlely different from each other but neither works with
// biased locking.
if (!UseFastLocking || UseHeavyMonitors) {
if (!FLAG_IS_DEFAULT(UseBiasedLocking) && UseBiasedLocking) {
// flag set to true on command line; warn the user that they
// can't enable biased locking here
warning("Biased Locking is not supported with locking debug flags"
"; ignoring UseBiasedLocking flag." );
}
UseBiasedLocking = false;
}
#ifdef CC_INTERP
// Clear flags not supported by the C++ interpreter
FLAG_SET_DEFAULT(ProfileInterpreter, false);