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Give preference to live-ranges with register hints to improve register reuse.

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This commit is contained in:
Dmitry Stogov 2020-10-13 13:59:53 +03:00
parent ea03acadc2
commit 62ae21bbf2
1 changed files with 4 additions and 2 deletions
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6
ext/opcache/jit/zend_jit.c
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@ -964,7 +964,8 @@ static zend_lifetime_interval *zend_jit_sort_intervals(zend_lifetime_interval **
if (ival) {
if ((ival->range.start > last->range.start) ||
(ival->range.start == last->range.start &&
ival->range.end > last->range.end)) {
((!ival->hint && last->hint) ||
ival->range.end > last->range.end))) {
last->list_next = ival;
last = ival;
ival->list_next = NULL;
@ -978,7 +979,8 @@ static zend_lifetime_interval *zend_jit_sort_intervals(zend_lifetime_interval **
break;
} else if ((ival->range.start < (*p)->range.start) ||
(ival->range.start == (*p)->range.start &&
ival->range.end < (*p)->range.end)) {
((ival->hint && !(*p)->hint) ||
ival->range.end < (*p)->range.end))) {
ival->list_next = *p;
*p = ival;
break;