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authorkan <kan@FreeBSD.org>2007-05-19 01:19:51 +0000
committerkan <kan@FreeBSD.org>2007-05-19 01:19:51 +0000
commit1f9ea4d0a40cca64d60cf4dab152349da7b9dddf (patch)
tree0cb530c9c38af219e6dda2994c078b6b2b9ad853 /contrib/gcc/sreal.c
parent4895159b2b4f648051c1f139faa7b6dc50c2bfcb (diff)
downloadFreeBSD-src-1f9ea4d0a40cca64d60cf4dab152349da7b9dddf.zip
FreeBSD-src-1f9ea4d0a40cca64d60cf4dab152349da7b9dddf.tar.gz
GCC 4.2.0 release.
Diffstat (limited to 'contrib/gcc/sreal.c')
-rw-r--r--contrib/gcc/sreal.c49
1 files changed, 16 insertions, 33 deletions
diff --git a/contrib/gcc/sreal.c b/contrib/gcc/sreal.c
index 8980659..5982d26 100644
--- a/contrib/gcc/sreal.c
+++ b/contrib/gcc/sreal.c
@@ -1,5 +1,5 @@
/* Simple data type for positive real numbers for the GNU compiler.
- Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
This file is part of GCC.
@@ -15,8 +15,8 @@ for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA. */
/* This library supports positive real numbers and 0;
inf and nan are NOT supported.
@@ -94,17 +94,12 @@ copy (sreal *r, sreal *a)
static inline void
shift_right (sreal *x, int s)
{
-#ifdef ENABLE_CHECKING
- if (s <= 0 || s > SREAL_BITS)
- abort ();
- if (x->exp + s > SREAL_MAX_EXP)
- {
- /* Exponent should never be so large because shift_right is used only by
- sreal_add and sreal_sub ant thus the number cannot be shifted out from
- exponent range. */
- abort ();
- }
-#endif
+ gcc_assert (s > 0);
+ gcc_assert (s <= SREAL_BITS);
+ /* Exponent should never be so large because shift_right is used only by
+ sreal_add and sreal_sub ant thus the number cannot be shifted out from
+ exponent range. */
+ gcc_assert (x->exp + s <= SREAL_MAX_EXP);
x->exp += s;
@@ -401,10 +396,7 @@ sreal_sub (sreal *r, sreal *a, sreal *b)
sreal tmp;
sreal *bb;
- if (sreal_compare (a, b) < 0)
- {
- abort ();
- }
+ gcc_assert (sreal_compare (a, b) >= 0);
dexp = a->exp - b->exp;
r->exp = a->exp;
@@ -509,11 +501,8 @@ sreal_div (sreal *r, sreal *a, sreal *b)
#if SREAL_PART_BITS < 32
unsigned HOST_WIDE_INT tmp, tmp1, tmp2;
- if (b->sig_hi < SREAL_MIN_SIG)
- {
- abort ();
- }
- else if (a->sig_hi < SREAL_MIN_SIG)
+ gcc_assert (b->sig_hi >= SREAL_MIN_SIG);
+ if (a->sig_hi < SREAL_MIN_SIG)
{
r->sig_hi = 0;
r->sig_lo = 0;
@@ -546,16 +535,10 @@ sreal_div (sreal *r, sreal *a, sreal *b)
normalize (r);
}
#else
- if (b->sig == 0)
- {
- abort ();
- }
- else
- {
- r->sig = (a->sig << SREAL_PART_BITS) / b->sig;
- r->exp = a->exp - b->exp - SREAL_PART_BITS;
- normalize (r);
- }
+ gcc_assert (b->sig != 0);
+ r->sig = (a->sig << SREAL_PART_BITS) / b->sig;
+ r->exp = a->exp - b->exp - SREAL_PART_BITS;
+ normalize (r);
#endif
return r;
}
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