invoke.texi (-funsafe-math-optimizations): Document its possible effects at link...

        * doc/invoke.texi (-funsafe-math-optimizations): Document its
        possible effects at link time.

From-SVN: r43519

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 057efe45598ea464a61f9db948e11458963a199b..711380597c3d4d5f062892588148495326c55443 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2001-06-22  Richard Henderson  <rth@redhat.com>
+
+       * doc/invoke.texi (-funsafe-math-optimizations): Document its
+       possible effects at link time.
+
 2001-06-22  Diego Novillo  <dnovillo@redhat.com>
 
        * basic-block.h (dump_edge_info): Declare.

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index ac7b137f47bb8fd68badcadbd7b7cd3bce284c43..c8b4859f0c251a06b939b29d5e92846fa89ab513 100644 (file)
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -3373,7 +3373,9 @@ sets @option{-fno-math-errno}.
 @opindex funsafe-math-optimizations
 Allow optimizations for floating-point arithmetic that (a) assume
 that arguments and results are valid and (b) may violate IEEE or
-ANSI standards.
+ANSI standards.  When used at link-time, it may include libraries
+or startup files that change the default FPU control word or other
+similar optimizations.
 
 This option should never be turned on by any @option{-O} option since
 it can result in incorrect output for programs which depend on