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| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/doc/invoke.texi | 4 |
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 |