g77.texi (Floating-point precision): Adjust example to work with glibc (>= 2.1).

Sun Nov 19 17:29:22 2000  Matthias Klose  <doko@marvin.itso-berlin.de>

        * g77.texi (Floating-point precision): Adjust example
        to work with glibc (>= 2.1).

From-SVN: r37568

diff --git a/gcc/f/ChangeLog b/gcc/f/ChangeLog
index d2755dc951e96682c0d9a2e574f68b127b9d1557..9cc87fbfe661acf4210273b8535e0f75a3d55137 100644 (file)
--- a/gcc/f/ChangeLog
+++ b/gcc/f/ChangeLog
@@ -1,3 +1,8 @@
+Sun Nov 19 17:29:22 2000  Matthias Klose  <doko@marvin.itso-berlin.de>
+
+        * g77.texi (Floating-point precision): Adjust example
+        to work with glibc (>= 2.1).
+
 Sat Nov 18 13:54:49 2000  Matthias Klose  <doko@cs.tu-berlin.de> 
  
        * g77.texi (Floating-point Exception Handling): Adjust

diff --git a/gcc/f/g77.texi b/gcc/f/g77.texi
index 3cc4b0ff105ec79b2eb505578b5365fe7b978959..72a793c76c23a6de3b386d6091f7749779abbcfd 100644 (file)
--- a/gcc/f/g77.texi
+++ b/gcc/f/g77.texi
@@ -10476,9 +10476,12 @@ and m68k GNU systems you can do this with a technique similar to that
 for turning on floating-point exceptions
 (@pxref{Floating-point Exception Handling}).
 The control word could be set to double precision by
-replacing the @code{__setfpucw} call with one like this:
+replacing the @code{__setfpucw} call or the @code{_FPU_SETCW} macro with one like this:
 @smallexample
-  __setfpucw ((_FPU_DEFAULT & ~_FPU_EXTENDED) | _FPU_DOUBLE);
+@{
+  fpu_control_t cw = (_FPU_DEFAULT & ~_FPU_EXTENDED) | _FPU_DOUBLE;
+  _FPU_SETCW(cw);
+@}
 @end smallexample
 (It is not clear whether this has any effect on the operation of the GNU
 maths library, but we have no evidence of it causing trouble.)