Hi All
We are now optimizing some projects with lto enabled, however,
there are some issues.
First, lto_plugin.so needs to be passed to ar/nm/ranlib.
For example, build static library with lto:
gcc -flto -O2 a.c -c -o a.o
gcc -flto -O2 b.c -c -o b.o
ar rcs --plugin=/path/to/lto_plugin.so libx.
On Mon, Mar 4, 2019 at 11:01 PM Qing Zhao wrote:
>
> Hi, Richard,
>
> > On Mar 4, 2019, at 5:45 AM, Richard Biener
> > wrote:
> >>
> >> It looks like DOM fails to visit stmts generated by simplification. Can
> >> you open a bug report with a testcase?
> >>
> >>
> >> The problem is, It took me q
On Tue, Mar 5, 2019 at 10:41 AM JunMa wrote:
>
> Hi All
>
> We are now optimizing some projects with lto enabled, however,
> there are some issues.
> First, lto_plugin.so needs to be passed to ar/nm/ranlib.
> For example, build static library with lto:
>
> gcc -flto -O2 a.c -c -o a.o
> gcc -flto -
On Tue, Mar 5, 2019 at 10:48 AM Richard Biener
wrote:
>
> On Mon, Mar 4, 2019 at 11:01 PM Qing Zhao wrote:
> >
> > Hi, Richard,
> >
> > > On Mar 4, 2019, at 5:45 AM, Richard Biener
> > > wrote:
> > >>
> > >> It looks like DOM fails to visit stmts generated by simplification. Can
> > >> you ope
在 2019/3/5 下午5:55, Richard Biener 写道:
On Tue, Mar 5, 2019 at 10:41 AM JunMa wrote:
Hi All
We are now optimizing some projects with lto enabled, however,
there are some issues.
First, lto_plugin.so needs to be passed to ar/nm/ranlib.
For example, build static library with lto:
gcc -flto -O2
On Tue, Mar 5, 2019 at 11:44 AM Richard Biener
wrote:
>
> On Tue, Mar 5, 2019 at 10:48 AM Richard Biener
> wrote:
> >
> > On Mon, Mar 4, 2019 at 11:01 PM Qing Zhao wrote:
> > >
> > > Hi, Richard,
> > >
> > > > On Mar 4, 2019, at 5:45 AM, Richard Biener
> > > > wrote:
> > > >>
> > > >> It looks
On 3/3/19, Patrick Palka wrote:
> Hi everyone,
>
> I am very interested in working on GCC as part of GSoC this year. A few
> years
> ago I was a somewhat active code contributor[1] and unfortunately my
> contributing waned once I went back to school, but I'm excited to
> potentially
> have the op
On Tue, 5 Mar 2019, Richard Biener wrote:
> Well, why not go a step further and add a bfd-plugin note that suggests
> the plugin to be used if it is installed? That could contain for example
> lto_plugin_gcc8.so (to be installed in /lib/bfd-plugins/). Alternatively
> a full path could be specifi
Hi!
On Mon, Mar 04, 2019 at 09:45:37PM +0100, David Brown wrote:
> Forcing "stolen_key" to be zero initialised does not help anyone -
> options for that just make code slower and hide errors that would occur
> with other compiler options. The challenge is to make sure /key/ is
> zeroed out aft
On 05/03/2019 19:37, Segher Boessenkool wrote:
Hi!
On Mon, Mar 04, 2019 at 09:45:37PM +0100, David Brown wrote:
Forcing "stolen_key" to be zero initialised does not help anyone -
options for that just make code slower and hide errors that would occur
with other compiler options. The challen
On 3/1/19 10:49 AM, Qing Zhao wrote:
> Jeff,
>
> thanks a lot for the reply.
>
> this is really helpful.
>
> I double checked the dumped intermediate file for pass “dom3", and
> located the following for _152:
>
> BEFORE the pass “dom3”, there is no _152, the corresponding Block
> looks lik
On 3/5/19 1:36 PM, David Brown wrote:
On 05/03/2019 19:37, Segher Boessenkool wrote:
Hi!
On Mon, Mar 04, 2019 at 09:45:37PM +0100, David Brown wrote:
Forcing "stolen_key" to be zero initialised does not help anyone -
options for that just make code slower and hide errors that would occur
wit
On 3/4/19 4:45 AM, Richard Biener wrote:
> On Fri, Mar 1, 2019 at 10:02 PM Qing Zhao wrote:
>>
>>
>> On Mar 1, 2019, at 1:25 PM, Richard Biener
>> wrote:
>>
>> On March 1, 2019 6:49:20 PM GMT+01:00, Qing Zhao
>> wrote:
>>
>> Jeff,
>>
>> thanks a lot for the reply.
>>
>> this is really helpful.
On 3/5/19 7:44 AM, Richard Biener wrote:
> So fixing it properly with also re-optimize_stmt those stmts so we'd CSE
> the MAX_EXPR introduced by folding makes it somewhat ugly.
>
> Bootstrapped on x86_64-unknown-linux-gnu, testing in progress.
>
> Any ideas how to make it less so? I can split o
On Tue, Mar 05, 2019 at 02:17:51PM -0700, Martin Sebor wrote:
> The SECURE project adds the function attribute stack_erase that
> serves the purpose described above. It works on stack frames by
> design rather than applying to individual stack objects.
> The presentation they delivered at Cauldron
On Tue, Mar 05, 2019 at 09:36:56PM +0100, David Brown wrote:
> On 05/03/2019 19:37, Segher Boessenkool wrote:
> >On Mon, Mar 04, 2019 at 09:45:37PM +0100, David Brown wrote:
> >>void foo(void) {
> >> char key[20];
> >> strcpy(key, "Top secret");
> >> usekey(key);
> >> memset(key, 0,
Hi DannyEdupt,
Thank you for contacting us.
We will be in touch with you shortly.
--
This e-mail was sent from a contact form on SaapVer (http://saapver.com/)
17 matches
Mail list logo
