diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc64/bits/atomic.h')
| -rw-r--r-- | sysdeps/powerpc/powerpc64/bits/atomic.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sysdeps/powerpc/powerpc64/bits/atomic.h b/sysdeps/powerpc/powerpc64/bits/atomic.h index 5fd2899224..84a144758c 100644 --- a/sysdeps/powerpc/powerpc64/bits/atomic.h +++ b/sysdeps/powerpc/powerpc64/bits/atomic.h @@ -1,5 +1,5 @@ /* Atomic operations. PowerPC64 version. - Copyright (C) 2003, 2004, 2007 Free Software Foundation, Inc. + Copyright (C) 2003-2013 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003. @@ -21,7 +21,7 @@ This is a hint to the hardware to expect additional updates adjacent to the lock word or not. If we are acquiring a Mutex, the hint should be true. Otherwise we releasing a Mutex or doing a simple - atomic operation. In that case we don't expect addtional updates + atomic operation. In that case we don't expect additional updates adjacent to the lock word after the Store Conditional and the hint should be false. */ @@ -34,7 +34,7 @@ #endif /* The 32-bit exchange_bool is different on powerpc64 because the subf - does signed 64-bit arthmatic while the lwarx is 32-bit unsigned + does signed 64-bit arithmetic while the lwarx is 32-bit unsigned (a load word and zero (high 32) form) load. In powerpc64 register values are 64-bit by default, including oldval. The value in old val unknown sign extension, lwarx loads the 32-bit |