* invoke.texi (-ffloat-store): Clarify that this option

        does not affect intermediate results -- only variables.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@22614 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6a94c26..ef0e468 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+Mon Sep 28 04:15:44 1998  Craig Burley  <burley@melange.gnu.org>
+
+       * invoke.texi (-ffloat-store): Clarify that this option
+       does not affect intermediate results -- only variables.
+
 Mon Sep 28 04:11:35 1998  Jeffrey A Law  (law@cygnus.com)
 
        * cpp.texi: Update for Fortran usage from Craig.

diff --git a/gcc/invoke.texi b/gcc/invoke.texi
index b7238cc..e60cfd1 100644 (file)
--- a/gcc/invoke.texi
+++ b/gcc/invoke.texi
@@ -2159,7 +2159,8 @@ the 68000 where the floating registers (of the 68881) keep more
 precision than a @code{double} is supposed to have.  Similarly for the
 x86 architecture.  For most programs, the excess precision does only
 good, but a few programs rely on the precise definition of IEEE floating
-point.  Use @samp{-ffloat-store} for such programs.
+point.  Use @samp{-ffloat-store} for such programs, after modifying
+them to store all pertinent intermediate computations into variables.
 
 @item -fno-default-inline
 Do not make member functions inline by default merely because they are