Re: [PATCH] Document -fexcess-precision=16 in tm.texi

["H.J. Lu" <hjl.tools@gmail.com>]

On Fri, Sep 30, 2022 at 3:25 PM Palmer Dabbelt <palmer@dabbelt.com> wrote:
>
> On Sat, 24 Sep 2022 19:13:36 PDT (-0700), sandra@codesourcery.com wrote:
> > On 9/18/22 02:47, Palmer Dabbelt wrote:
> >> On Fri, 09 Sep 2022 02:46:40 PDT (-0700), Palmer Dabbelt wrote:
> >>> I just happened to stuble on this one while trying to sort out the
> >>> RISC-V bits.
> >>>
> >>> gcc/ChangeLog
> >>>
> >>>     * doc/tm.texi (TARGET_C_EXCESS_PRECISION): Add 16.
> >>> ---
> >>>  gcc/doc/tm.texi | 2 +-
> >>>  1 file changed, 1 insertion(+), 1 deletion(-)
> >>>
> >>> diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi
> >>> index 858bfb80cec..7590924f2ca 100644
> >>> --- a/gcc/doc/tm.texi
> >>> +++ b/gcc/doc/tm.texi
> >>> @@ -1009,7 +1009,7 @@ of the excess precision explicitly added.  For
> >>>  @code{EXCESS_PRECISION_TYPE_FLOAT16}, and
> >>>  @code{EXCESS_PRECISION_TYPE_FAST}, the target should return the
> >>>  explicit excess precision that should be added depending on the
> >>> -value set for @option{-fexcess-precision=@r{[}standard@r{|}fast@r{]}}.
> >>> +value set for
> >>> @option{-fexcess-precision=@r{[}standard@r{|}fast@r{|}16@r{]}}.
> >>>  Note that unpredictable explicit excess precision does not make sense,
> >>>  so a target should never return @code{FLT_EVAL_METHOD_UNPREDICTABLE}
> >>>  when @var{type} is @code{EXCESS_PRECISION_TYPE_STANDARD},
> >>
> >> Just pinging this one as I'm not sure if it's OK to self-approve -- no
> >> rush on my end, I already figured it out so I don't need the
> >> documentation any more.
> >
> > This is fine, looks like a trivial correction.
>
> Thanks, committed.

tm.texi is a generated file.  I am checking in this patch to restore bootstrap.

-- 
H.J.
--
diff --git a/gcc/target.def b/gcc/target.def
index 4d49ffc2c88..a3d3b04a165 100644
--- a/gcc/target.def
+++ b/gcc/target.def
@@ -6181,7 +6181,7 @@ of the excess precision explicitly added.  For\n\
 @code{EXCESS_PRECISION_TYPE_FLOAT16}, and\n\
 @code{EXCESS_PRECISION_TYPE_FAST}, the target should return the\n\
 explicit excess precision that should be added depending on the\n\
-value set for @option{-fexcess-precision=@r{[}standard@r{|}fast@r{]}}.\n\
+value set for @option{-fexcess-precision=@r{[}standard@r{|}fast@r{|}16@r{]}}.\n\
 Note that unpredictable explicit excess precision does not make sense,\n\
 so a target should never return @code{FLT_EVAL_METHOD_UNPREDICTABLE}\n\
 when @var{type} is @code{EXCESS_PRECISION_TYPE_STANDARD},\n\