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authorRichard Henderson <rth@redhat.com>2001-06-22 15:59:44 -0700
committerRichard Henderson <rth@gcc.gnu.org>2001-06-22 15:59:44 -0700
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invoke.texi (-funsafe-math-optimizations): Document its possible effects at link time.
* doc/invoke.texi (-funsafe-math-optimizations): Document its possible effects at link time. From-SVN: r43519
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/doc/invoke.texi4
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 057efe4..7113805 100644
--- 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 ac7b137..c8b4859 100644
--- 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