archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-26 22:34:27 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8198955: String#repeat loop optimization

Browse source 
Reviewed-by: rriggs, redestad, igerasim
This commit is contained in:
Jim Laskey 2018-03-02 18:10:57 -04:00
parent c43cebb5cf
commit 522a9d15fd
1 changed files with 1 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

3
src/java.base/share/classes/java/lang/String.java
View file

@ -3005,9 +3005,8 @@ public final class String
final byte[] multiple = new byte[limit];
System.arraycopy(value, 0, multiple, 0, len);
int copied = len;
for (int next = copied << 1; next < limit && 0 < next; next = next << 1) {
for (; copied < limit - copied; copied <<= 1) {
System.arraycopy(multiple, 0, multiple, copied, copied);
copied = next;
}
System.arraycopy(multiple, 0, multiple, copied, limit - copied);
return new String(multiple, coder);