GCC 4.4 changes page needs updating

Ian Lance Taylor iant@google.com
Wed Apr 1 00:32:00 GMT 2009


Gerald Pfeifer <gerald@pfeifer.com> writes:

> On Wed, 25 Mar 2009, Ian Lance Taylor wrote:
>> I propose this patch to document most of these new options.  OK to
>> commit?
>
> Nice, thanks a lot Ian!
>
> +    <li>A new command-line switch <code>-ftree-builtin-call-dce</code>
> +      has been added.  This optimization eliminates unnecessary calls
> +      to certain builtin functions when the return value is not used,
> +      in cases where the calls can not be eliminated entirely because
> +      the function may set <code>errno</code>.  This optimization is
> +      on by default at <code>-O2</code>.</li>
>
> Would it make sense to add "and above" after "-O2"?
>
> +    <li>The new <code>-Wframe-larger-than=NUMBER</code> option directs
> +      GCC to emit a warning if any stack frame is larger
> +      than <code>NUMBER</code>.
>
> Would it make sense to append "bytes" to this sentence?
>
> Please go ahead and commit.

Committed as follows.

Ian


-------------- next part --------------
A non-text attachment was scrubbed...
Name: foo.patch
Type: text/x-patch
Size: 3098 bytes
Desc: gcc 4.4 changes
URL: <http://gcc.gnu.org/pipermail/gcc-patches/attachments/20090401/0c7b474e/attachment.bin>


More information about the Gcc-patches mailing list