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| author | Torvald Riegel <triegel@redhat.com> | 2012-03-05 16:34:12 +0000 |
|---|---|---|
| committer | Torvald Riegel <torvald@gcc.gnu.org> | 2012-03-05 16:34:12 +0000 |
| commit | d28b0b0861af105bb15a5ed60488469a0dcbeb67 (patch) | |
| tree | 4cf06fc2f46eedd93cb75822cf369c5e2dd7c844 /libitm | |
| parent | 034209bc2fc3ca7ebec8ec3d28b94fbb9d00029d (diff) | |
| download | gcc-d28b0b0861af105bb15a5ed60488469a0dcbeb67.zip gcc-d28b0b0861af105bb15a5ed60488469a0dcbeb67.tar.gz gcc-d28b0b0861af105bb15a5ed60488469a0dcbeb67.tar.bz2 | |
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.
From-SVN: r184941
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 1be02b5..9a3e484 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 d059c49..6a9e62e 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() \ |