diff options
| author | torvald <torvald@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-03-05 16:34:12 +0000 |
|---|---|---|
| committer | torvald <torvald@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-03-05 16:34:12 +0000 |
| commit | 876d7b2146a66ac35d26d2545226a3869f555d5a (patch) | |
| tree | 4cf06fc2f46eedd93cb75822cf369c5e2dd7c844 /libitm | |
| parent | 2c2e3eafde42435a1e8284cc37f6574c49b39a4e (diff) | |
| download | gcc-876d7b2146a66ac35d26d2545226a3869f555d5a.tar.gz | |
libitm: Don't execute memtransfer/memset if size isn't larger than zero.
libitm/
* dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
memtransfer/memset if size isn't larger than zero.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@184941 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libitm')
| -rw-r--r-- | libitm/ChangeLog | 5 | ||||
| -rw-r--r-- | libitm/dispatch.h | 6 |
2 files changed, 9 insertions, 2 deletions
diff --git a/libitm/ChangeLog b/libitm/ChangeLog index 1be02b525b4..9a3e484fc8a 100644 --- a/libitm/ChangeLog +++ b/libitm/ChangeLog @@ -1,3 +1,8 @@ +2012-03-05 Torvald Riegel <triegel@redhat.com> + + * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute + memtransfer/memset if size isn't larger than zero. + 2012-03-02 Torvald Riegel <triegel@redhat.com> * libitm.texi: Link to specification and add a usage example. diff --git a/libitm/dispatch.h b/libitm/dispatch.h index d059c493507..6a9e62ef6c0 100644 --- a/libitm/dispatch.h +++ b/libitm/dispatch.h @@ -102,11 +102,13 @@ virtual void memtransfer(void *dst, const void* src, size_t size, \ bool may_overlap, ls_modifier dst_mod, ls_modifier src_mod) \ { \ - memtransfer_static(dst, src, size, may_overlap, dst_mod, src_mod); \ + if (size > 0) \ + memtransfer_static(dst, src, size, may_overlap, dst_mod, src_mod); \ } \ virtual void memset(void *dst, int c, size_t size, ls_modifier mod) \ { \ - memset_static(dst, c, size, mod); \ + if (size > 0) \ + memset_static(dst, c, size, mod); \ } #define CREATE_DISPATCH_METHODS_MEM_PV() \ |