[src/trunk]: src/lib/libc/gdtoa add constcond, make shifts unsigned

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/5148f85d312b
branches:  trunk
changeset: 778336:5148f85d312b
user:      christos <christos%NetBSD.org@localhost>
date:      Thu Mar 22 15:34:14 2012 +0000

description:
add constcond, make shifts unsigned

diffstat:

 lib/libc/gdtoa/strtod.c |  7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diffs (30 lines):

diff -r a95b8b956dda -r 5148f85d312b lib/libc/gdtoa/strtod.c
--- a/lib/libc/gdtoa/strtod.c   Thu Mar 22 15:26:32 2012 +0000
+++ b/lib/libc/gdtoa/strtod.c   Thu Mar 22 15:34:14 2012 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: strtod.c,v 1.10 2012/03/22 13:15:48 he Exp $ */
+/* $NetBSD: strtod.c,v 1.11 2012/03/22 15:34:14 christos Exp $ */
 
 /****************************************************************
 
@@ -554,10 +554,10 @@
                                        if (j >= 53)
                                         word0(&rv) = (P+2)*Exp_msk1;
                                        else
-                                        word0(&rv) &= 0xffffffff << (j-32);
+                                        word0(&rv) &= 0xffffffffU << (j-32);
                                        }
                                else
-                                       word1(&rv) &= 0xffffffff << j;
+                                       word1(&rv) &= 0xffffffffU << j;
                                }
 #else
                        for(j = 0; e1 > 1; j++, e1 = (unsigned int)e1 >> 1)
@@ -956,6 +956,7 @@
                        aadj *= 0.5;
                        dval(&aadj1) = dsign ? aadj : -aadj;
 #ifdef Check_FLT_ROUNDS
+                       /* CONSTCOND */
                        switch(Rounding) {
                                case 2: /* towards +infinity */
                                        dval(&aadj1) -= 0.5;