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8272573: Redundant unique_concrete_method_4 dependencies

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Reviewed-by: kvn, thartmann
This commit is contained in:
Vladimir Ivanov 2021-08-18 16:45:29 +00:00
parent 4d6593ce02
commit 96107e31df
1 changed files with 10 additions and 3 deletions
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13
src/hotspot/share/code/dependencies.cpp
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@ -239,7 +239,9 @@ void Dependencies::assert_common_2(DepType dept,
}
}
} else {
if (note_dep_seen(dept, x0) && note_dep_seen(dept, x1)) {
bool dep_seen_x0 = note_dep_seen(dept, x0); // records x0 for future queries
bool dep_seen_x1 = note_dep_seen(dept, x1); // records x1 for future queries
if (dep_seen_x0 && dep_seen_x1) {
// look in this bucket for redundant assertions
const int stride = 2;
for (int i = deps->length(); (i -= stride) >= 0; ) {
@ -266,7 +268,10 @@ void Dependencies::assert_common_4(DepType dept,
GrowableArray<ciBaseObject*>* deps = _deps[dept];
// see if the same (or a similar) dep is already recorded
if (note_dep_seen(dept, x1) && note_dep_seen(dept, x2) && note_dep_seen(dept, x3)) {
bool dep_seen_x1 = note_dep_seen(dept, x1); // records x1 for future queries
bool dep_seen_x2 = note_dep_seen(dept, x2); // records x2 for future queries
bool dep_seen_x3 = note_dep_seen(dept, x3); // records x3 for future queries
if (dep_seen_x1 && dep_seen_x2 && dep_seen_x3) {
// look in this bucket for redundant assertions
const int stride = 4;
for (int i = deps->length(); (i -= stride) >= 0; ) {
@ -339,7 +344,9 @@ void Dependencies::assert_common_2(DepType dept,
}
}
} else {
if (note_dep_seen(dept, x0) && note_dep_seen(dept, x1)) {
bool dep_seen_x0 = note_dep_seen(dept, x0); // records x0 for future queries
bool dep_seen_x1 = note_dep_seen(dept, x1); // records x1 for future queries
if (dep_seen_x0 && dep_seen_x1) {
// look in this bucket for redundant assertions
const int stride = 2;
for (int i = deps->length(); (i -= stride) >= 0; ) {