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-rw-r--r--libitm/ChangeLog5
-rw-r--r--libitm/dispatch.h6
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() \