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-rw-r--r--gcc/real.c32
1 files changed, 25 insertions, 7 deletions
diff --git a/gcc/real.c b/gcc/real.c
index 5d9bc41..cd27d3e 100644
--- a/gcc/real.c
+++ b/gcc/real.c
@@ -4539,11 +4539,13 @@ void
real_floor (REAL_VALUE_TYPE *r, enum machine_mode mode,
const REAL_VALUE_TYPE *x)
{
- do_fix_trunc (r, x);
- if (! real_identical (r, x) && r->sign)
- do_add (r, r, &dconstm1, 0);
+ REAL_VALUE_TYPE t;
+
+ do_fix_trunc (&t, x);
+ if (! real_identical (&t, x) && x->sign)
+ do_add (&t, &t, &dconstm1, 0);
if (mode != VOIDmode)
- real_convert (r, mode, r);
+ real_convert (r, mode, &t);
}
/* Round X to the smallest integer not less then argument, i.e. round
@@ -4553,9 +4555,25 @@ void
real_ceil (REAL_VALUE_TYPE *r, enum machine_mode mode,
const REAL_VALUE_TYPE *x)
{
- do_fix_trunc (r, x);
- if (! real_identical (r, x) && ! r->sign)
- do_add (r, r, &dconst1, 0);
+ REAL_VALUE_TYPE t;
+
+ do_fix_trunc (&t, x);
+ if (! real_identical (&t, x) && ! x->sign)
+ do_add (&t, &t, &dconst1, 0);
+ if (mode != VOIDmode)
+ real_convert (r, mode, &t);
+}
+
+/* Round X to the nearest integer, but round halfway cases away from
+ zero. */
+
+void
+real_round (REAL_VALUE_TYPE *r, enum machine_mode mode,
+ const REAL_VALUE_TYPE *x)
+{
+ do_add (r, x, &dconsthalf, x->sign);
+ do_fix_trunc (r, r);
if (mode != VOIDmode)
real_convert (r, mode, r);
}
+