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

gcc/f/ChangeLog

+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

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.)