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8140594: Various minor code improvements (compiler)

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Various minor code improvements (compiler)

Reviewed-by: thartmann, kvn
This commit is contained in:
Goetz Lindenmaier 2016-05-03 12:23:06 +02:00
parent 96c4dc3210
commit 1e4b00b1dc
19 changed files with 77 additions and 56 deletions
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8
hotspot/src/share/vm/c1/c1_LinearScan.cpp
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@ -5521,7 +5521,8 @@ int LinearScanWalker::find_locked_double_reg(int reg_needed_until, int interval_
}
}
if (_block_pos[max_reg] <= interval_to || _block_pos[max_reg + 1] <= interval_to) {
if (max_reg != any_reg &&
(_block_pos[max_reg] <= interval_to || _block_pos[max_reg + 1] <= interval_to)) {
*need_split = true;
}
@ -6497,8 +6498,9 @@ void LinearScanStatistic::print(const char* title) {
if (_counters_sum[i] > 0 || _counters_max[i] >= 0) {
tty->print("%25s: %8d", counter_name(i), _counters_sum[i]);
if (base_counter(i) != invalid_counter) {
tty->print(" (%5.1f%%) ", _counters_sum[i] * 100.0 / _counters_sum[base_counter(i)]);
LinearScanStatistic::Counter cntr = base_counter(i);
if (cntr != invalid_counter) {
tty->print(" (%5.1f%%) ", _counters_sum[i] * 100.0 / _counters_sum[cntr]);
} else {
tty->print(" ");
}