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8272703: StressSeed should be set via FLAG_SET_ERGO

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Reviewed-by: chagedorn, thartmann
This commit is contained in:
Tobias Holenstein 2021-09-23 12:55:42 +00:00 • committed by Tobias Hartmann
parent c43452859d
commit 66ce09f51e
1 changed files with 6 additions and 2 deletions
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8
src/hotspot/share/opto/compile.cpp
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@ -773,8 +773,12 @@ Compile::Compile( ciEnv* ci_env, ciMethod* target, int osr_bci,
// If any phase is randomized for stress testing, seed random number // If any phase is randomized for stress testing, seed random number
// generation and log the seed for repeatability. // generation and log the seed for repeatability.
if (StressLCM || StressGCM || StressIGVN || StressCCP) { if (StressLCM || StressGCM || StressIGVN || StressCCP) {
_stress_seed = FLAG_IS_DEFAULT(StressSeed) ? if (FLAG_IS_DEFAULT(StressSeed) || (FLAG_IS_ERGO(StressSeed) && RepeatCompilation)) {
static_cast<uint>(Ticks::now().nanoseconds()) : StressSeed; _stress_seed = static_cast<uint>(Ticks::now().nanoseconds());
FLAG_SET_ERGO(StressSeed, _stress_seed);
} else {
_stress_seed = StressSeed;
}
if (_log != NULL) { if (_log != NULL) {
_log->elem("stress_test seed='%u'", _stress_seed); _log->elem("stress_test seed='%u'", _stress_seed);
} }