archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-28 15:24:43 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8157184: java/lang/invoke/LFCaching/LFMultiThreadCachingTest.java failed with a fatal error

Browse source 
Add missing cache_line_size > 0 checks.

Reviewed-by: vlivanov, kbarrett
This commit is contained in:
Vladimir Kozlov 2016-05-19 11:01:38 -07:00
parent 7bd620bff1
commit 5acfcd3615
2 changed files with 3 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

1
hotspot/src/cpu/sparc/vm/macroAssembler_sparc.cpp
View file

@ -4767,6 +4767,7 @@ void MacroAssembler::bis_zeroing(Register to, Register count, Register temp, Lab
assert(UseBlockZeroing && VM_Version::has_block_zeroing(), "only works with BIS zeroing");
Register end = count;
int cache_line_size = VM_Version::prefetch_data_size();
assert(cache_line_size > 0, "cache line size should be known for this code");
// Minimum count when BIS zeroing can be used since
// it needs membar which is expensive.
int block_zero_size = MAX2(cache_line_size*3, (int)BlockZeroingLowLimit);