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| author | John David Anglin <dave.anglin@nrc-cnrc.gc.ca> | 2004-08-20 16:08:49 +0000 |
|---|---|---|
| committer | John David Anglin <danglin@gcc.gnu.org> | 2004-08-20 16:08:49 +0000 |
| commit | dd8b67a1a87d69e5204da7bb0cb8dabaea839650 (patch) | |
| tree | d49c3db59c0a81cf05aa432c6b0eddff7996ba1a | |
| parent | 6f4234e9d74648fb7d4a9a2dca67076454d07483 (diff) | |
| download | gcc-dd8b67a1a87d69e5204da7bb0cb8dabaea839650.zip gcc-dd8b67a1a87d69e5204da7bb0cb8dabaea839650.tar.gz gcc-dd8b67a1a87d69e5204da7bb0cb8dabaea839650.tar.bz2 | |
atomicity.h (__exchange_and_add, [...]): Add memory barrier to locking asm.
* cpu/hppa/atomicity.h (__exchange_and_add, __atomic_add): Add memory
barrier to locking asm.
From-SVN: r86328
| -rw-r--r-- | libstdc++-v3/ChangeLog | 5 | ||||
| -rw-r--r-- | libstdc++-v3/config/cpu/hppa/atomicity.h | 6 |
2 files changed, 9 insertions, 2 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index 3569d6c..40b3a95 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,8 @@ +2004-08-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * cpu/hppa/atomicity.h (__exchange_and_add, __atomic_add): Add memory + barrier to locking asm. + 2004-08-20 Paolo Carlini <pcarlini@suse.de> * include/c_std/cmath.tcc (__cmath_power): Revert previous commit: diff --git a/libstdc++-v3/config/cpu/hppa/atomicity.h b/libstdc++-v3/config/cpu/hppa/atomicity.h index 48c8283..3f711d1 100644 --- a/libstdc++-v3/config/cpu/hppa/atomicity.h +++ b/libstdc++-v3/config/cpu/hppa/atomicity.h @@ -61,7 +61,8 @@ namespace __gnu_cxx "nop\n\t" "b,n .-20" : "=&r" (tmp) - : "r" (&lock)); + : "r" (&lock) + : "memory"); result = *__mem; *__mem = result + __val; @@ -85,7 +86,8 @@ namespace __gnu_cxx "nop\n\t" "b,n .-20" : "=&r" (tmp) - : "r" (&lock)); + : "r" (&lock) + : "memory"); *__mem += __val; /* Reset lock with PA 2.0 "ordered" store. */ |