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From: "crazylht at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/97521] [11 Regression] wrong code with -mno-sse2 since r11-3394
Date: Thu, 22 Oct 2020 08:32:49 +0000 [thread overview]
Message-ID: <bug-97521-4-sseNOve260@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-97521-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97521
Hongtao.liu <crazylht at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |crazylht at gmail dot com
--- Comment #6 from Hongtao.liu <crazylht at gmail dot com> ---
(In reply to Richard Biener from comment #4)
> (In reply to Jakub Jelinek from comment #3)
> > And we do that because:
> > case VECTOR_CST:
> > {
> > tree tmp = NULL_TREE;
> > if (VECTOR_MODE_P (mode))
> > return const_vector_from_tree (exp);
> > scalar_int_mode int_mode;
> > if (is_int_mode (mode, &int_mode))
> > {
> > if (VECTOR_BOOLEAN_TYPE_P (TREE_TYPE (exp)))
> > return const_scalar_mask_from_tree (int_mode, exp);
>
> but I have no easy access to a AVX512 runtime system (and no idea how to
> make dejagnu use sde for a i386.exp testsuite run). On a AVX2 system
> i386.exp is clean with the above.
>
> Thoughts?
>
> [AVX512 should have used VnBImode like SVE does]
>
Can vec_merge support operands with VnBImode as items? I didn't find it's used
in any SVE patterns.
next prev parent reply other threads:[~2020-10-22 8:32 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-21 16:27 [Bug target/97521] New: [11 Regression] wrong code with -mno-sse2 zsojka at seznam dot cz
2020-10-21 16:37 ` [Bug target/97521] [11 Regression] wrong code with -mno-sse2 since r11-3394 jakub at gcc dot gnu.org
2020-10-21 16:56 ` jakub at gcc dot gnu.org
2020-10-21 17:07 ` jakub at gcc dot gnu.org
2020-10-21 18:33 ` marxin at gcc dot gnu.org
2020-10-22 7:19 ` rguenth at gcc dot gnu.org
2020-10-22 7:25 ` jakub at gcc dot gnu.org
2020-10-22 8:32 ` crazylht at gmail dot com [this message]
2020-10-22 8:45 ` rguenther at suse dot de
2020-10-22 8:52 ` jakub at gcc dot gnu.org
2020-10-22 8:58 ` jakub at gcc dot gnu.org
2020-10-22 9:00 ` crazylht at gmail dot com
2020-10-22 9:01 ` jakub at gcc dot gnu.org
2020-10-22 9:50 ` rguenther at suse dot de
2020-10-22 10:59 ` cvs-commit at gcc dot gnu.org
2020-10-22 11:11 ` rguenth at gcc dot gnu.org
2020-10-23 6:04 ` rguenth at gcc dot gnu.org
2020-10-23 6:21 ` rguenth at gcc dot gnu.org
2020-10-23 6:23 ` cvs-commit at gcc dot gnu.org
2020-10-23 6:58 ` rguenth at gcc dot gnu.org
2020-10-23 7:00 ` rguenth at gcc dot gnu.org
2020-10-23 7:06 ` rguenth at gcc dot gnu.org
2020-10-23 8:28 ` ams at gcc dot gnu.org
2020-10-23 8:47 ` ams at gcc dot gnu.org
2020-10-26 11:28 ` cvs-commit at gcc dot gnu.org
2020-10-26 11:28 ` rguenth at gcc dot gnu.org
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