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
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