From: Richard Biener <richard.guenther@gmail.com>
To: "haochen.jiang" <haochenj@ecsmtp.sh.intel.com>
Cc: macro@embecosm.com, gcc-regression@gcc.gnu.org,
gcc-patches@gcc.gnu.org, haochen.jiang@intel.com
Subject: Re: [r14-2639 Regression] FAIL: gcc.dg/vect/bb-slp-pr95839-v8.c scan-tree-dump slp2 "optimized: basic block" on Linux/x86_64
Date: Thu, 20 Jul 2023 14:51:22 +0200 [thread overview]
Message-ID: <CAFiYyc0JddEa_Q8YmMRqx85qykg6ga0ptGhnuKEAK42Gz76s-g@mail.gmail.com> (raw)
In-Reply-To: <202307201144.36KBiSbE3309160@shliclel4214.sh.intel.com>
On Thu, Jul 20, 2023 at 1:46 PM haochen.jiang via Gcc-patches
<gcc-patches@gcc.gnu.org> wrote:
>
> On Linux/x86_64,
>
> c1e420549f2305efb70ed37e693d380724eb7540 is the first bad commit
> commit c1e420549f2305efb70ed37e693d380724eb7540
> Author: Maciej W. Rozycki <macro@embecosm.com>
> Date: Wed Jul 19 11:59:29 2023 +0100
>
> testsuite: Add 64-bit vector variant for bb-slp-pr95839.c
I think the issue is we disable V2SF on ia32 because of the conflict
with MMX which we
don't want to use.
> caused
>
> FAIL: gcc.dg/vect/bb-slp-pr95839-v8.c -flto -ffat-lto-objects scan-tree-dump slp2 "optimized: basic block"
> FAIL: gcc.dg/vect/bb-slp-pr95839-v8.c scan-tree-dump slp2 "optimized: basic block"
>
> with GCC configured with
>
> ../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-2639/usr --enable-clocale=gnu --with-system-zlib --with-demangler-in-ld --with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl --enable-libmpx x86_64-linux --disable-bootstrap
>
> To reproduce:
>
> $ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/bb-slp-pr95839-v8.c --target_board='unix{-m32}'"
> $ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/bb-slp-pr95839-v8.c --target_board='unix{-m32\ -march=cascadelake}'"
>
> (Please do not reply to this email, for question about this report, contact me at haochen dot jiang at intel.com.)
> (If you met problems with cascadelake related, disabling AVX512F in command line might save that.)
> (However, please make sure that there is no potential problems with AVX512.)
next prev parent reply other threads:[~2023-07-20 12:51 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-20 11:44 haochen.jiang
2023-07-20 12:51 ` Richard Biener [this message]
2023-07-20 13:13 ` Maciej W. Rozycki
2023-07-20 13:27 ` Richard Biener
2023-07-21 1:51 ` Jiang, Haochen
2023-07-22 16:57 ` [committed] testsuite: Limit bb-slp-pr95839-v8.c to 64-bit vector targets Maciej W. Rozycki
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