tfix shift - plan9port - [fork] Plan 9 from user space

git clone git://src.adamsgaard.dk/plan9port

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---

commit 9e36143a34451aba972b157a53160f1badff9ceb

parent af79ebc2b6faf92268193a43bd087dbf75840b41

Author: rsc 

Date:   Fri, 30 Dec 2005 17:06:50 +0000

fix shift

Diffstat:
  M src/libmp/port/mptouv.c             |       5 ++++-
  M src/libmp/port/mptov.c              |       5 ++++-

2 files changed, 8 insertions(+), 2 deletions(-)
---

diff --git a/src/libmp/port/mptouv.c b/src/libmp/port/mptouv.c

t@@ -22,7 +22,10 @@ uvtomp(uvlong v, mpint *b)
                 return b;
         for(s = 0; s < VLDIGITS && v != 0; s++){
                 b->p[s] = v;
-                v >>= sizeof(mpdigit)*8;
+                if(sizeof(mpdigit) == sizeof(uvlong))
+                        v = 0;
+                else
+                        v >>= sizeof(mpdigit)*8;
         }
         b->top = s;
         return b;

diff --git a/src/libmp/port/mptov.c b/src/libmp/port/mptov.c

t@@ -28,7 +28,10 @@ vtomp(vlong v, mpint *b)
                 uv = v;
         for(s = 0; s < VLDIGITS && uv != 0; s++){
                 b->p[s] = uv;
-                uv >>= sizeof(mpdigit)*8;
+                if(sizeof(mpdigit) == sizeof(uvlong))
+                        uv = 0;
+                else
+                        uv >>= sizeof(mpdigit)*8;
         }
         b->top = s;
         return b;