(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

[thirdparty/glibc.git] / sysdeps / ieee754 / dbl-64 / s_llrint.c

diff --git a/sysdeps/ieee754/dbl-64/s_llrint.c b/sysdeps/ieee754/dbl-64/s_llrint.c
index 64c870eaaa9974150b20763553c5aa623b5cdc79..893bd716b5b793917faa7c8e4395bcd9b21f3f08 100644 (file)
--- a/sysdeps/ieee754/dbl-64/s_llrint.c
+++ b/sysdeps/ieee754/dbl-64/s_llrint.c
@@ -1,6 +1,6 @@
 /* Round argument to nearest integral value according to current rounding
    direction.
-   Copyright (C) 1997, 2004, 2006 Free Software Foundation, Inc.
+   Copyright (C) 1997, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -23,7 +23,7 @@
 
 #include "math_private.h"
 
-static const double two52[2] =
+static const long double two52[2] =
 {
   4.50359962737049600000e+15, /* 0x43300000, 0x00000000 */
  -4.50359962737049600000e+15, /* 0xC3300000, 0x00000000 */
@@ -48,14 +48,19 @@ __llrint (double x)
 
   if (j0 < 20)
     {
-      w = two52[sx] + x;
-      t = w - two52[sx];
-      EXTRACT_WORDS (i0, i1, t);
-      j0 = ((i0 >> 20) & 0x7ff) - 0x3ff;
-      i0 &= 0xfffff;
-      i0 |= 0x100000;
+      if (j0 < -1)
+       return 0;
+      else
+       {
+         w = two52[sx] + x;
+         t = w - two52[sx];
+         EXTRACT_WORDS (i0, i1, t);
+         j0 = ((i0 >> 20) & 0x7ff) - 0x3ff;
+         i0 &= 0xfffff;
+         i0 |= 0x100000;
 
-      result = (j0 < 0 ? 0 : i0 >> (20 - j0));
+         result = i0 >> (20 - j0);
+       }
     }
   else if (j0 < (int32_t) (8 * sizeof (long long int)) - 1)
     {