Ignore the troll
On Mon, 11 Dec 2023, 17:28 Dave Blanchard, wrote:
> Hi Jingwen,
>
> This is the same GCC which in recent versions produces something like two
> dozen extraneous, useless, no-op instructions when doing a simple 64-bit
> math operation on 32-bit systems, and does not use SSE prope
Hi,
First, please ignore everything Dave Blanchard writes. I don't know
why, but he likes to post angry, rude and unhelpful messages to this list.
Secondly, this is the wrong list. gcc-help would be the correct list,
as you are asking for help with gcc. This list is for discussions on
the
On Mon, 11 Dec 2023, 17:08 Jingwen Wu via Gcc, wrote:
> Hello, I'm sorry to bother you. And I have some gcc compiler optimization
> questions to ask you.
> First of all, I used csmith tools to generate c files randomly. Meanwhile,
> the final running result was the checksum for global variables i
On Tue, 12 Dec 2023, Jonathan Wakely via Gcc wrote:
> On Mon, 11 Dec 2023, 17:08 Jingwen Wu via Gcc, wrote:
>
> > Hello, I'm sorry to bother you. And I have some gcc compiler optimization
> > questions to ask you.
> > First of all, I used csmith tools to generate c files randomly. Meanwhile,
>
Currently, -fcf-protection defaults to both shadow stack and indirect
branch tracking (IBT) on x86_64-linux-gnu, and -fhardened follows that.
I think it should only enable shadow stack at this point.
I'm not sure if this is a good idea because there will likely be no
userspace support for IBT when
Hi all,
I'm trying to solve an infinite loop in the "reload" pass (LRA). I need
early-clobber on my load instructions and it goes wrong when register
pressure is high.
Is there a proper way to fix this? Or do I need to do something "hacky"
like fixing a register for use with reloads?
Here'
