pa-fazil
/
android_bionic
mirror of https://github.com/fazilsheik96/android_bionic.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

bionic: arm64: generic: strcmp: align to 64B cache line 

Align strcmp to 64B. This will ensure the preformance critical
loop is within one 64B cache line.

Change-Id: I88eef2f12b2a6442cacec9cdbdffbf17293e7d32
Signed-off-by: Yuanyuan Zhong <zyy@motorola.com>
Reviewed-on: https://gerrit.mot.com/902536
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver <sltawvr@motorola.com>
Tested-by: Jira Key <jirakey@motorola.com>
Reviewed-by: Yi-Wei Zhao <gbjc64@motorola.com>
Reviewed-by: Igor Kovalenko <igork@motorola.com>
Submit-Approved: Jira Key <jirakey@motorola.com>
This commit is contained in:
Yuanyuan Zhong 2016-09-07 16:58:40 -05:00 committed by Jake Weinstein
parent f201c704d6
commit 9d150dd9a0
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
libc/arch-arm64/generic/bionic/strcmp.S
View File

@ -57,6 +57,7 @@
/* Start of performance-critical section -- one 64B cache line. */
ENTRY(strcmp)
.p2align 6
eor tmp1, src1, src2
mov zeroones, #REP8_01
tst tmp1, #7