AuroraMiddleware/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2024-12-23 03:10:05 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix SPARC atomic_write_barrier.

Browse Source
This commit is contained in:
Torvald Riegel 2014-10-29 19:14:14 +01:00
parent b4f6688462
commit ff9dbdc048
4 changed files with 13 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
ChangeLog
View File

@ -1,3 +1,12 @@
2014-10-31 Torvald Riegel <triegel@redhat.com>
* sysdeps/sparc/sparc32/bits/atomic.h (atomic_write_barrier): Use
correct barrier instruction.
* sysdeps/sparc/sparc32/sparcv9/bits/atomic.h (atomic_write_barrier):
Likewise.
* sysdeps/sparc/sparc64/bits/atomic.h (atomic_write_barrier):
Likewise.
2014-10-30 Roland McGrath <roland@hack.frob.com>
* include/ctype.h: Include <ctype/ctype.h> first thing rather than

4
sysdeps/sparc/sparc32/bits/atomic.h
View File

@ -343,8 +343,8 @@ extern uint64_t _dl_hwcap __attribute__((weak));
#define atomic_write_barrier() \
do { \
if (__atomic_is_v9) \
/* membar #StoreLoad | #StoreStore */ \
__asm __volatile (".word 0x8143e00a" : : : "memory"); \
/* membar #LoadStore | #StoreStore */ \
__asm __volatile (".word 0x8143e00c" : : : "memory"); \
else \
__asm __volatile ("" : : : "memory"); \
} while (0)

2
sysdeps/sparc/sparc32/sparcv9/bits/atomic.h
View File

@ -96,4 +96,4 @@ typedef uintmax_t uatomic_max_t;
#define atomic_read_barrier() \
__asm __volatile ("membar #LoadLoad | #LoadStore" : : : "memory")
#define atomic_write_barrier() \
__asm __volatile ("membar #StoreLoad | #StoreStore" : : : "memory")
__asm __volatile ("membar #LoadStore | #StoreStore" : : : "memory")

2
sysdeps/sparc/sparc64/bits/atomic.h
View File

@ -117,4 +117,4 @@ typedef uintmax_t uatomic_max_t;
#define atomic_read_barrier() \
__asm __volatile ("membar #LoadLoad | #LoadStore" : : : "memory")
#define atomic_write_barrier() \
__asm __volatile ("membar #StoreLoad | #StoreStore" : : : "memory")
__asm __volatile ("membar #LoadStore | #StoreStore" : : : "memory")