[Gmp-commit] /var/hg/gmp-5.1: Mention ia64 mpn_divrem_2 bugfix in NEWS.

mercurial at gmplib.org mercurial at gmplib.org
Fri Sep 27 23:36:42 CEST 2013


details:   /var/hg/gmp-5.1/rev/ef2244af18e0
changeset: 15439:ef2244af18e0
user:      Niels M?ller <nisse at lysator.liu.se>
date:      Fri Sep 27 23:08:02 2013 +0200
description:
Mention ia64 mpn_divrem_2 bugfix in NEWS.

diffstat:

 ChangeLog |  4 ++++
 NEWS      |  5 +++++
 2 files changed, 9 insertions(+), 0 deletions(-)

diffs (26 lines):

diff -r 1ecce27b9424 -r ef2244af18e0 ChangeLog
--- a/ChangeLog	Fri Sep 27 21:21:28 2013 +0200
+++ b/ChangeLog	Fri Sep 27 23:08:02 2013 +0200
@@ -1,3 +1,7 @@
+2013-09-27  Niels Möller  <nisse at lysator.liu.se>
+
+	* NEWS: Mention the ia64 mpn_divrem_2 bugfix.
+
 2013-07-16  Torbjorn Granlund  <tege at gmplib.org>
 
 	* doc/gmp.texi: Declare countless of function arguments as 'const'.
diff -r 1ecce27b9424 -r ef2244af18e0 NEWS
--- a/NEWS	Fri Sep 27 21:21:28 2013 +0200
+++ b/NEWS	Fri Sep 27 23:08:02 2013 +0200
@@ -12,6 +12,11 @@
     compute garbage with a low probability.  They are now rewritten, and the
     test code has been improved.
 
+  * A bug in the ia64 implementation of mpn_divrem_2, clobbering some
+    callee-save registers, has been fixed. This is an internal
+    function, with the bug manifesting itself as miscomputation in,
+    e.g., mpn_sqrtrem.
+
   * The documentation now correctly says 'const' for input arguments.
 
   SPEEDUPS


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