stl_numeric.h (partial_sum, [...]): Avoid dereferencing two times __first in the...

2004-11-03  Jonathan Wakely  <redi@gcc.gnu.org>

	* include/bits/stl_numeric.h (partial_sum, adjacent_difference):
	Avoid dereferencing two times __first in the prologue.

From-SVN: r90038

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 61246af8be81f877661c3ca65be35592ac56f67e..6848060c05a6ab92c6435b434982a0fda3eda9be 100644 (file)
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2004-11-03  Jonathan Wakely  <redi@gcc.gnu.org>
+
+       * include/bits/stl_numeric.h (partial_sum, adjacent_difference):
+       Avoid dereferencing two times __first in the prologue.
+ 
 2004-11-03  Paolo Carlini  <pcarlini@suse.de>
 
        * include/bits/stl_numeric.h: Trivial formatting fixes.

diff --git a/libstdc++-v3/include/bits/stl_numeric.h b/libstdc++-v3/include/bits/stl_numeric.h
index fc15fe3fc527917c1703146fd53d9a893990f566..a11a0404e9a47e2bf8c08562d74814730a43d6fc 100644 (file)
--- a/libstdc++-v3/include/bits/stl_numeric.h
+++ b/libstdc++-v3/include/bits/stl_numeric.h
@@ -209,8 +209,8 @@ namespace std
 
       if (__first == __last)
        return __result;
-      *__result = *__first;
       _ValueType __value = *__first;
+      *__result = __value;
       while (++__first != __last)
        {
          __value = __value + *__first;
@@ -249,8 +249,8 @@ namespace std
 
       if (__first == __last)
        return __result;
-      *__result = *__first;
       _ValueType __value = *__first;
+      *__result = __value;
       while (++__first != __last)
        {
          __value = __binary_op(__value, *__first);
@@ -285,8 +285,8 @@ namespace std
 
       if (__first == __last)
        return __result;
-      *__result = *__first;
       _ValueType __value = *__first;
+      *__result = __value;
       while (++__first != __last)
        {
          _ValueType __tmp = *__first;
@@ -324,8 +324,8 @@ namespace std
 
       if (__first == __last)
        return __result;
-      *__result = *__first;
       _ValueType __value = *__first;
+      *__result = __value;
       while (++__first != __last)
        {
          _ValueType __tmp = *__first;