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

[pf3gnuchains/gcc-fork.git] / gcc / f / g77.texi

diff --git a/gcc/f/g77.texi b/gcc/f/g77.texi
index 3cc4b0f..72a793c 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.)