From 29f25eefa352e01a3dbc954cfe7869c1824a14be Mon Sep 17 00:00:00 2001
From: zimmerma <zimmerma@280ebfd0-de03-0410-8827-d642c229c3f4>
Date: Wed, 21 Feb 2018 09:09:32 +0000
Subject: [src/x86_64/mparam.h] added tuning for generic x86_64 [tune/tuneup.c]
 mpfr_divhigh now wants n >= 2

git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@12351 280ebfd0-de03-0410-8827-d642c229c3f4
---
 tune/tuneup.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'tune')

diff --git a/tune/tuneup.c b/tune/tuneup.c
index a7402e8f7..1ad02e53f 100644
--- a/tune/tuneup.c
+++ b/tune/tuneup.c
@@ -857,7 +857,8 @@ tune_div_mulders_upto (mp_size_t n)
   double t, tbest;
   MPFR_TMP_DECL (marker);
 
-  if (n == 0)
+  /* we want n>=2 in mpfr_divhigh */
+  if (n <= 1)
     return 0;
 
   MPFR_TMP_MARK (marker);
-- 
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