archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-25 05:45:11 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8058255: Native jbyte Atomic::cmpxchg for supported x86 platforms

Browse source 
Use the native cmpxchgb instruction on x86.

Reviewed-by: dholmes, kbarrett, phh
This commit is contained in:
Erik Osterlund 2014-10-21 15:07:25 +02:00 • committed by Jesper Wilhelmsson
parent a5d4521aa1
commit a324ff0f31
18 changed files with 165 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

2
hotspot/src/share/vm/runtime/stubRoutines.hpp
View file

@ -126,6 +126,7 @@ class StubRoutines: AllStatic {
static address _atomic_store_ptr_entry;
static address _atomic_cmpxchg_entry;
static address _atomic_cmpxchg_ptr_entry;
static address _atomic_cmpxchg_byte_entry;
static address _atomic_cmpxchg_long_entry;
static address _atomic_add_entry;
static address _atomic_add_ptr_entry;
@ -282,6 +283,7 @@ class StubRoutines: AllStatic {
static address atomic_store_ptr_entry() { return _atomic_store_ptr_entry; }
static address atomic_cmpxchg_entry() { return _atomic_cmpxchg_entry; }
static address atomic_cmpxchg_ptr_entry() { return _atomic_cmpxchg_ptr_entry; }
static address atomic_cmpxchg_byte_entry() { return _atomic_cmpxchg_byte_entry; }
static address atomic_cmpxchg_long_entry() { return _atomic_cmpxchg_long_entry; }
static address atomic_add_entry() { return _atomic_add_entry; }
static address atomic_add_ptr_entry() { return _atomic_add_ptr_entry; }