real.c (real_floor): Don't leave the result uninitialized when mode is VOIDMode...

	* real.c (real_floor): Don't leave the result uninitialized when
	mode is VOIDMode, but return the unrounded intermediate value.
	(real_ceil): Likewise.

From-SVN: r93988

gcc/ChangeLog

+2005-01-20  Roger Sayle  <roger@eyesopen.com>
+
+	* real.c (real_floor): Don't leave the result uninitialized when
+	mode is VOIDMode, but return the unrounded intermediate value.
+	(real_ceil): Likewise.
+
 2005-01-20  Paul Brook  <paul@codesourcery.com>
 
 	* config/arm/arm.md (insv): Use gen_int_mode.

gcc/real.c

 /* real.c - software floating point emulation.
    Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-   2000, 2002, 2003, 2004 Free Software Foundation, Inc.
+   2000, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
    Contributed by Stephen L. Moshier (moshier@world.std.com).
    Re-written by Richard Henderson <rth@redhat.com>
 
@@ -4625,6 +4625,8 @@ real_floor (REAL_VALUE_TYPE *r, enum machine_mode mode,
     do_add (&t, &t, &dconstm1, 0);
   if (mode != VOIDmode)
     real_convert (r, mode, &t);
+  else
+    *r = t;
 }
 
 /* Round X to the smallest integer not less then argument, i.e. round
@@ -4641,6 +4643,8 @@ real_ceil (REAL_VALUE_TYPE *r, enum machine_mode mode,
     do_add (&t, &t, &dconst1, 0);
   if (mode != VOIDmode)
     real_convert (r, mode, &t);
+  else
+    *r = t;
 }
 
 /* Round X to the nearest integer, but round halfway cases away from