https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88498
--- Comment #3 from Terry Guo ---
I just tried and both of failures are gone with Jakub's patch.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87853
--- Comment #10 from Terry Guo ---
(In reply to Uroš Bizjak from comment #9)
> (In reply to Martin Liška from comment #8)
> > Uros: Can the bug be marked as resolved? Or please update Known to work.
>
> Patch needs to be backported to release br
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87718
--- Comment #4 from Terry Guo ---
(In reply to Uroš Bizjak from comment #2)
> Following testcase:
>
> --cut here--
> typedef int V __attribute__((vector_size (8)));
>
> void foo (int x, int y)
> {
> register int a __asm ("xmm1");
> register
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87853
--- Comment #5 from Terry Guo ---
Hi folks,
What about a fix like below? I tested with bootstrap and regression test, there
is no problem.
diff --git a/gcc/config/i386/emmintrin.h b/gcc/config/i386/emmintrin.h
index 7a6ff80..3c1f04b 100644
---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87853
--- Comment #4 from Terry Guo ---
Thanks Derek for reporting. I can reproduce what Derek described and do think
this is a bug.
_mm_cmpgt_epi8 (__m128i __A, __m128i __B)
{
return (__m128i) ((__v16qi)__A > (__v16qi)__B);
}
This one performs sig
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87853
--- Comment #3 from Terry Guo ---
(In reply to H.J. Lu from comment #2)
> Xuepeng, can you take a look?
OK. Working on it now.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58372
--- Comment #39 from Terry Guo ---
(In reply to Uroš Bizjak from comment #38)
> (In reply to Terry Guo from comment #36)
>
> > OK. Do it right now.
>
> I think that latest attachment is the one that should be tested.
> Functionally it is the sa
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58372
--- Comment #36 from Terry Guo ---
(In reply to Uroš Bizjak from comment #35)
>
> Actually, we can use crtl->stack_realign_processed to delay DRAP generation.
> The condition in the patch should be changed to:
>
> crtl->stack_realign_need
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58372
--- Comment #34 from Terry Guo ---
(In reply to David Grayson from comment #33)
> Hello, Terry. I'd be happy to help. I hope you have access to a Linux
> computer. I've actually spent a lot of time working on build scripts for
> cross-compiler
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58372
--- Comment #32 from Terry Guo ---
(In reply to David Grayson from comment #27)
> Thanks to everyone who is working on this. I can confirm that the patch in
> comment #20 by Uroš Bizjak applies cleanly to GCC 7.3.0, and I successfully
> used the
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58372
--- Comment #31 from Terry Guo ---
(In reply to Uroš Bizjak from comment #30)
> (In reply to Jakub Jelinek from comment #29)
> > > Let's ask Jakub about asan, if it is possible to move generation of the
> > > call
> > > after the function is alr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58372
--- Comment #26 from Terry Guo ---
Hi Uroš:
I think I found why your proposed patch causes problem in Comment 23. It is all
about timing. The below code from patch is trying to set up DRAP reg in a
rather early stage when the function is not ful
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58372
--- Comment #25 from Terry Guo ---
Debugged the ICE further and found that below line in function
ix86_get_drap_rtx is causing ICE:
12050 insn = emit_insn_before (seq, NEXT_INSN (entry_of_function ()));
It is called when generating call
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58372
--- Comment #24 from Terry Guo ---
Created attachment 44934
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44934&action=edit
case to reproduce problem related to sanitize
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58372
--- Comment #23 from Terry Guo ---
Hi Uroš:
With your fix, I identified two regressions so far: one is that we should run
the case you provided with c++ standard newer than c++11. The 'noexcept' was
introduced in c++14. Guess we need a directive
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58372
--- Comment #22 from xuepeng guo ---
(In reply to Uroš Bizjak from comment #20)
> Created attachment 44928 [details]
> Proposed patch
>
> It turned out that functions, called directly through emit_library_call (as
> the above testcase, which bui
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58372
--- Comment #21 from xuepeng guo ---
Thanks for fix. I am glad to help to test it out.
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