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From: Hongtao Liu <crazylht@gmail.com>
To: "Andre Vieira (lists)" <andre.simoesdiasvieira@arm.com>
Cc: Richard Biener <richard.guenther@gmail.com>,
	Jakub Jelinek <jakub@redhat.com>,
	 Richard Sandiford <richard.sandiford@arm.com>,
	Richard Biener <rguenther@suse.de>,
	 "gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>
Subject: Re: [PATCH] Teach vectorizer to deal with bitfield accesses (was: [RFC] Teach vectorizer to deal with bitfield reads)
Date: Wed, 12 Oct 2022 10:11:41 +0800	[thread overview]
Message-ID: <CAMZc-by=c3fw1RzxKMQRVDUcusBbeX1XLJqjWce16WYLVFK-Ow@mail.gmail.com> (raw)
In-Reply-To: <CAMZc-bzyfpcTyvD=JU6iwRVCrnWfkeJcWxJ=PDkfsWbknV1c_w@mail.gmail.com>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107226

On Wed, Oct 12, 2022 at 9:55 AM Hongtao Liu <crazylht@gmail.com> wrote:
>
> This commit failed tests
>
> FAIL: gcc.target/i386/pr101668.c scan-assembler vpmovsxdq
> FAIL: gcc.target/i386/pr101668.c scan-assembler vpmovsxdq
> FAIL: gcc.target/i386/pr101668.c scan-assembler vpmovsxdq
> FAIL: gcc.target/i386/pr92645.c scan-tree-dump-times optimized "vec_unpack_" 4
> FAIL: gcc.target/i386/pr92645.c scan-tree-dump-times optimized "vec_unpack_" 4
> FAIL: gcc.target/i386/pr92645.c scan-tree-dump-times optimized "vec_unpack_" 4
> FAIL: gcc.target/i386/pr92658-avx2-2.c scan-assembler-times pmovsxbd 2
> FAIL: gcc.target/i386/pr92658-avx2-2.c scan-assembler-times pmovsxbd 2
> FAIL: gcc.target/i386/pr92658-avx2-2.c scan-assembler-times pmovsxbd 2
> FAIL: gcc.target/i386/pr92658-avx2-2.c scan-assembler-times pmovsxbq 2
> FAIL: gcc.target/i386/pr92658-avx2-2.c scan-assembler-times pmovsxbq 2
> FAIL: gcc.target/i386/pr92658-avx2-2.c scan-assembler-times pmovsxbq 2
> FAIL: gcc.target/i386/pr92658-avx2-2.c scan-assembler-times pmovsxbw 2
> FAIL: gcc.target/i386/pr92658-avx2-2.c scan-assembler-times pmovsxbw 2
> FAIL: gcc.target/i386/pr92658-avx2-2.c scan-assembler-times pmovsxbw 2
> FAIL: gcc.target/i386/pr92658-avx2-2.c scan-assembler-times pmovsxdq 2
> FAIL: gcc.target/i386/pr92658-avx2-2.c scan-assembler-times pmovsxdq 2
> FAIL: gcc.target/i386/pr92658-avx2-2.c scan-assembler-times pmovsxdq 2
> FAIL: gcc.target/i386/pr92658-avx2-2.c scan-assembler-times pmovsxwd 2
> FAIL: gcc.target/i386/pr92658-avx2-2.c scan-assembler-times pmovsxwd 2
> FAIL: gcc.target/i386/pr92658-avx2-2.c scan-assembler-times pmovsxwd 2
> FAIL: gcc.target/i386/pr92658-avx2-2.c scan-assembler-times pmovsxwq 2
> FAIL: gcc.target/i386/pr92658-avx2-2.c scan-assembler-times pmovsxwq 2
> FAIL: gcc.target/i386/pr92658-avx2-2.c scan-assembler-times pmovsxwq 2
> FAIL: gcc.target/i386/pr92658-avx2.c scan-assembler-times pmovzxbd 2
> FAIL: gcc.target/i386/pr92658-avx2.c scan-assembler-times pmovzxbd 2
> FAIL: gcc.target/i386/pr92658-avx2.c scan-assembler-times pmovzxbd 2
> FAIL: gcc.target/i386/pr92658-avx2.c scan-assembler-times pmovzxbq 2
> FAIL: gcc.target/i386/pr92658-avx2.c scan-assembler-times pmovzxbq 2
> FAIL: gcc.target/i386/pr92658-avx2.c scan-assembler-times pmovzxbq 2
> FAIL: gcc.target/i386/pr92658-avx2.c scan-assembler-times pmovzxbw 2
> FAIL: gcc.target/i386/pr92658-avx2.c scan-assembler-times pmovzxbw 2
> FAIL: gcc.target/i386/pr92658-avx2.c scan-assembler-times pmovzxbw 2
> FAIL: gcc.target/i386/pr92658-avx2.c scan-assembler-times pmovzxdq 2
> FAIL: gcc.target/i386/pr92658-avx2.c scan-assembler-times pmovzxdq 2
> FAIL: gcc.target/i386/pr92658-avx2.c scan-assembler-times pmovzxdq 2
> FAIL: gcc.target/i386/pr92658-avx2.c scan-assembler-times pmovzxwd 2
> FAIL: gcc.target/i386/pr92658-avx2.c scan-assembler-times pmovzxwd 2
> FAIL: gcc.target/i386/pr92658-avx2.c scan-assembler-times pmovzxwd 2
> FAIL: gcc.target/i386/pr92658-avx2.c scan-assembler-times pmovzxwq 2
> FAIL: gcc.target/i386/pr92658-avx2.c scan-assembler-times pmovzxwq 2
> FAIL: gcc.target/i386/pr92658-avx2.c scan-assembler-times pmovzxwq 2
> FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxbd 2
> FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxbd 2
> FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxbd 2
> FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxbq 2
> FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxbq 2
> FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxbq 2
> FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxbw 2
> FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxbw 2
> FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxbw 2
> FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxdq 2
> FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxdq 2
> FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxdq 2
> FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxwd 2
> FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxwd 2
> FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxwd 2
> FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxwq 2
> FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxwq 2
> FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxwq 2
> FAIL: gcc.target/i386/pr92658-avx512bw.c scan-assembler-times pmovzxbd 2
> FAIL: gcc.target/i386/pr92658-avx512bw.c scan-assembler-times pmovzxbd 2
> FAIL: gcc.target/i386/pr92658-avx512bw.c scan-assembler-times pmovzxbd 2
> FAIL: gcc.target/i386/pr92658-avx512bw.c scan-assembler-times pmovzxbq 2
> FAIL: gcc.target/i386/pr92658-avx512bw.c scan-assembler-times pmovzxbq 2
> FAIL: gcc.target/i386/pr92658-avx512bw.c scan-assembler-times pmovzxbq 2
> FAIL: gcc.target/i386/pr92658-avx512bw.c scan-assembler-times pmovzxbw 2
> FAIL: gcc.target/i386/pr92658-avx512bw.c scan-assembler-times pmovzxbw 2
> FAIL: gcc.target/i386/pr92658-avx512bw.c scan-assembler-times pmovzxbw 2
> FAIL: gcc.target/i386/pr92658-avx512bw.c scan-assembler-times pmovzxdq 2
> FAIL: gcc.target/i386/pr92658-avx512bw.c scan-assembler-times pmovzxdq 2
> FAIL: gcc.target/i386/pr92658-avx512bw.c scan-assembler-times pmovzxdq 2
> FAIL: gcc.target/i386/pr92658-avx512bw.c scan-assembler-times pmovzxwd 2
> FAIL: gcc.target/i386/pr92658-avx512bw.c scan-assembler-times pmovzxwd 2
> FAIL: gcc.target/i386/pr92658-avx512bw.c scan-assembler-times pmovzxwd 2
> FAIL: gcc.target/i386/pr92658-avx512bw.c scan-assembler-times pmovzxwq 2
> FAIL: gcc.target/i386/pr92658-avx512bw.c scan-assembler-times pmovzxwq 2
> FAIL: gcc.target/i386/pr92658-avx512bw.c scan-assembler-times pmovzxwq 2
> FAIL: gcc.target/i386/pr92658-avx512bw-trunc.c scan-assembler-times vpmovwb 3
> FAIL: gcc.target/i386/pr92658-avx512bw-trunc.c scan-assembler-times vpmovwb 3
> FAIL: gcc.target/i386/pr92658-avx512bw-trunc.c scan-assembler-times vpmovwb 3
> FAIL: gcc.target/i386/pr92658-avx512f.c scan-assembler-times vpmovdb 1
> FAIL: gcc.target/i386/pr92658-avx512f.c scan-assembler-times vpmovdb 1
> FAIL: gcc.target/i386/pr92658-avx512f.c scan-assembler-times vpmovdb 1
> FAIL: gcc.target/i386/pr92658-avx512f.c scan-assembler-times vpmovdw 1
> FAIL: gcc.target/i386/pr92658-avx512f.c scan-assembler-times vpmovdw 1
> FAIL: gcc.target/i386/pr92658-avx512f.c scan-assembler-times vpmovdw 1
> FAIL: gcc.target/i386/pr92658-avx512f.c scan-assembler-times vpmovqb 1
> FAIL: gcc.target/i386/pr92658-avx512f.c scan-assembler-times vpmovqb 1
> FAIL: gcc.target/i386/pr92658-avx512f.c scan-assembler-times vpmovqb 1
> FAIL: gcc.target/i386/pr92658-avx512f.c scan-assembler-times vpmovqd 1
> FAIL: gcc.target/i386/pr92658-avx512f.c scan-assembler-times vpmovqd 1
> FAIL: gcc.target/i386/pr92658-avx512f.c scan-assembler-times vpmovqd 1
> FAIL: gcc.target/i386/pr92658-avx512f.c scan-assembler-times vpmovqw 1
> FAIL: gcc.target/i386/pr92658-avx512f.c scan-assembler-times vpmovqw 1
> FAIL: gcc.target/i386/pr92658-avx512f.c scan-assembler-times vpmovqw 1
> FAIL: gcc.target/i386/pr92658-avx512vl.c scan-assembler-times vpmovdb 2
> FAIL: gcc.target/i386/pr92658-avx512vl.c scan-assembler-times vpmovdb 2
> FAIL: gcc.target/i386/pr92658-avx512vl.c scan-assembler-times vpmovdb 2
> FAIL: gcc.target/i386/pr92658-avx512vl.c scan-assembler-times vpmovdw 2
> FAIL: gcc.target/i386/pr92658-avx512vl.c scan-assembler-times vpmovdw 2
> FAIL: gcc.target/i386/pr92658-avx512vl.c scan-assembler-times vpmovdw 2
> FAIL: gcc.target/i386/pr92658-avx512vl.c scan-assembler-times vpmovqb[
> \t]*%xmm 1
> FAIL: gcc.target/i386/pr92658-avx512vl.c scan-assembler-times vpmovqb[
> \t]*%xmm 1
> FAIL: gcc.target/i386/pr92658-avx512vl.c scan-assembler-times vpmovqb[
> \t]*%xmm 1
> FAIL: gcc.target/i386/pr92658-avx512vl.c scan-assembler-times vpmovqb[
> \t]*%ymm 1
> FAIL: gcc.target/i386/pr92658-avx512vl.c scan-assembler-times vpmovqb[
> \t]*%ymm 1
> FAIL: gcc.target/i386/pr92658-avx512vl.c scan-assembler-times vpmovqb[
> \t]*%ymm 1
> FAIL: gcc.target/i386/pr92658-avx512vl.c scan-assembler-times vpmovqd 2
> FAIL: gcc.target/i386/pr92658-avx512vl.c scan-assembler-times vpmovqd 2
> FAIL: gcc.target/i386/pr92658-avx512vl.c scan-assembler-times vpmovqd 2
> FAIL: gcc.target/i386/pr92658-avx512vl.c scan-assembler-times vpmovqw 2
> FAIL: gcc.target/i386/pr92658-avx512vl.c scan-assembler-times vpmovqw 2
> FAIL: gcc.target/i386/pr92658-avx512vl.c scan-assembler-times vpmovqw 2
> FAIL: gcc.target/i386/pr92658-sse4-2.c scan-assembler-times pmovsxbd 2
> FAIL: gcc.target/i386/pr92658-sse4-2.c scan-assembler-times pmovsxbd 2
> FAIL: gcc.target/i386/pr92658-sse4-2.c scan-assembler-times pmovsxbd 2
> FAIL: gcc.target/i386/pr92658-sse4-2.c scan-assembler-times pmovsxbq 2
> FAIL: gcc.target/i386/pr92658-sse4-2.c scan-assembler-times pmovsxbq 2
> FAIL: gcc.target/i386/pr92658-sse4-2.c scan-assembler-times pmovsxbq 2
> FAIL: gcc.target/i386/pr92658-sse4-2.c scan-assembler-times pmovsxbw 2
> FAIL: gcc.target/i386/pr92658-sse4-2.c scan-assembler-times pmovsxbw 2
> FAIL: gcc.target/i386/pr92658-sse4-2.c scan-assembler-times pmovsxbw 2
> FAIL: gcc.target/i386/pr92658-sse4-2.c scan-assembler-times pmovsxdq 2
> FAIL: gcc.target/i386/pr92658-sse4-2.c scan-assembler-times pmovsxdq 2
> FAIL: gcc.target/i386/pr92658-sse4-2.c scan-assembler-times pmovsxdq 2
> FAIL: gcc.target/i386/pr92658-sse4-2.c scan-assembler-times pmovsxwd 2
> FAIL: gcc.target/i386/pr92658-sse4-2.c scan-assembler-times pmovsxwd 2
> FAIL: gcc.target/i386/pr92658-sse4-2.c scan-assembler-times pmovsxwd 2
> FAIL: gcc.target/i386/pr92658-sse4-2.c scan-assembler-times pmovsxwq 2
> FAIL: gcc.target/i386/pr92658-sse4-2.c scan-assembler-times pmovsxwq 2
> FAIL: gcc.target/i386/pr92658-sse4-2.c scan-assembler-times pmovsxwq 2
> FAIL: gcc.target/i386/pr92658-sse4.c scan-assembler-times pmovzxbd 2
> FAIL: gcc.target/i386/pr92658-sse4.c scan-assembler-times pmovzxbd 2
> FAIL: gcc.target/i386/pr92658-sse4.c scan-assembler-times pmovzxbd 2
> FAIL: gcc.target/i386/pr92658-sse4.c scan-assembler-times pmovzxbq 2
> FAIL: gcc.target/i386/pr92658-sse4.c scan-assembler-times pmovzxbq 2
> FAIL: gcc.target/i386/pr92658-sse4.c scan-assembler-times pmovzxbq 2
> FAIL: gcc.target/i386/pr92658-sse4.c scan-assembler-times pmovzxbw 2
> FAIL: gcc.target/i386/pr92658-sse4.c scan-assembler-times pmovzxbw 2
> FAIL: gcc.target/i386/pr92658-sse4.c scan-assembler-times pmovzxbw 2
> FAIL: gcc.target/i386/pr92658-sse4.c scan-assembler-times pmovzxdq 2
> FAIL: gcc.target/i386/pr92658-sse4.c scan-assembler-times pmovzxdq 2
> FAIL: gcc.target/i386/pr92658-sse4.c scan-assembler-times pmovzxdq 2
> FAIL: gcc.target/i386/pr92658-sse4.c scan-assembler-times pmovzxwd 2
> FAIL: gcc.target/i386/pr92658-sse4.c scan-assembler-times pmovzxwd 2
> FAIL: gcc.target/i386/pr92658-sse4.c scan-assembler-times pmovzxwd 2
> FAIL: gcc.target/i386/pr92658-sse4.c scan-assembler-times pmovzxwq 2
> FAIL: gcc.target/i386/pr92658-sse4.c scan-assembler-times pmovzxwq 2
> FAIL: gcc.target/i386/pr92658-sse4.c scan-assembler-times pmovzxwq 2
>
> On Fri, Oct 7, 2022 at 10:21 PM Andre Vieira (lists) via Gcc-patches
> <gcc-patches@gcc.gnu.org> wrote:
> >
> > Hi,
> >
> > Whilst running a bootstrap with extra options to force bitfield
> > vectorization '-O2 -ftree-vectorize -ftree-loop-if-convert
> > -fno-vect-cost-model' I ran into an ICE in vect-patterns where a
> > bit_field_ref had a container that wasn't INTEGRAL_TYPE and had a
> > E_BLKmode, which meant we failed to build an integer type with the same
> > size. For that reason I added a check to bail out earlier if the
> > TYPE_MODE of the container is indeed E_BLKmode. The pattern for the
> > bitfield inserts required no change as we currently don't support
> > containers that aren't integer typed.
> >
> > Also changed a testcase because in BIG-ENDIAN it was not vectorizing due
> > to a different size of container that wasn't supported.
> >
> > This passes the same bootstrap and regressions on aarch64-none-linux and
> > no regressions on aarch64_be-none-elf either.
> >
> > I assume you are OK with these changes Richard, but I don't like to
> > commit on Friday in case something breaks over the weekend, so I'll
> > leave it until Monday.
> >
> > Thanks,
> > Andre
> >
> > On 29/09/2022 08:54, Richard Biener wrote:
> > > On Wed, Sep 28, 2022 at 7:32 PM Andre Vieira (lists) via Gcc-patches
> > > <gcc-patches@gcc.gnu.org> wrote:
> > >> Made the change and also created the ChangeLogs.
> > > OK if bootstrap / testing succeeds.
> > >
> > > Thanks,
> > > Richard.
> > >
> > >> gcc/ChangeLog:
> > >>
> > >>           * tree-if-conv.cc (if_convertible_loop_p_1): Move ordering of
> > >> loop bb's from here...
> > >>           (tree_if_conversion): ... to here.  Also call bitfield lowering
> > >> when appropriate.
> > >>           (version_loop_for_if_conversion): Adapt to enable loop
> > >> versioning when we only need
> > >>           to lower bitfields.
> > >>           (ifcvt_split_critical_edges): Relax condition of expected loop
> > >> form as this is checked earlier.
> > >>           (get_bitfield_rep): New function.
> > >>           (lower_bitfield): Likewise.
> > >>           (bitfields_to_lower_p): Likewise.
> > >>           (need_to_lower_bitfields): New global boolean.
> > >>           (need_to_ifcvt): Likewise.
> > >>           * tree-vect-data-refs.cc (vect_find_stmt_data_reference):
> > >> Improve diagnostic message.
> > >>           * tree-vect-patterns.cc (vect_recog_temp_ssa_var): Add default
> > >> value for last parameter.
> > >>           (vect_recog_bitfield_ref_pattern): New.
> > >>           (vect_recog_bit_insert_pattern): New.
> > >>
> > >> gcc/testsuite/ChangeLog:
> > >>
> > >>           * gcc.dg/vect/vect-bitfield-read-1.c: New test.
> > >>           * gcc.dg/vect/vect-bitfield-read-2.c: New test.
> > >>           * gcc.dg/vect/vect-bitfield-read-3.c: New test.
> > >>           * gcc.dg/vect/vect-bitfield-read-4.c: New test.
> > >>           * gcc.dg/vect/vect-bitfield-read-5.c: New test.
> > >>           * gcc.dg/vect/vect-bitfield-read-6.c: New test.
> > >>           * gcc.dg/vect/vect-bitfield-write-1.c: New test.
> > >>           * gcc.dg/vect/vect-bitfield-write-2.c: New test.
> > >>           * gcc.dg/vect/vect-bitfield-write-3.c: New test.
> > >>           * gcc.dg/vect/vect-bitfield-write-4.c: New test.
> > >>           * gcc.dg/vect/vect-bitfield-write-5.c: New test.
> > >>
> > >> On 28/09/2022 10:43, Andre Vieira (lists) via Gcc-patches wrote:
> > >>> On 27/09/2022 13:34, Richard Biener wrote:
> > >>>> On Mon, 26 Sep 2022, Andre Vieira (lists) wrote:
> > >>>>
> > >>>>> On 08/09/2022 12:51, Richard Biener wrote:
> > >>>>>> I'm curious, why the push to redundant_ssa_names?  That could use
> > >>>>>> a comment ...
> > >>>>> So I purposefully left a #if 0 #else #endif in there so you can see
> > >>>>> the two
> > >>>>> options. But the reason I used redundant_ssa_names is because ifcvt
> > >>>>> seems to
> > >>>>> use that as a container for all pairs of (old, new) ssa names to
> > >>>>> replace
> > >>>>> later. So I just piggy backed on that. I don't know if there's a
> > >>>>> specific
> > >>>>> reason they do the replacement at the end? Maybe some ordering
> > >>>>> issue? Either
> > >>>>> way both adding it to redundant_ssa_names or doing the replacement
> > >>>>> inline work
> > >>>>> for the bitfield lowering (or work in my testing at least).
> > >>>> Possibly because we (in the past?) inserted/copied stuff based on
> > >>>> predicates generated at analysis time after we decide to elide something
> > >>>> so we need to watch for later appearing uses.  But who knows ... my mind
> > >>>> fails me here.
> > >>>>
> > >>>> If it works to replace uses immediately please do so.  But now
> > >>>> I wonder why we need this - the value shouldn't change so you
> > >>>> should get away with re-using the existing SSA name for the final value?
> > >>> Yeah... good point. A quick change and minor testing seems to agree.
> > >>> I'm sure I had a good reason to do it initially ;)
> > >>>
> > >>> I'll run a full-regression on this change to make sure I didn't miss
> > >>> anything.
> > >>>
>
>
>
> --
> BR,
> Hongtao



-- 
BR,
Hongtao

  reply	other threads:[~2022-10-12  2:11 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-26 10:00 [RFC] Teach vectorizer to deal with bitfield reads Andre Vieira (lists)
2022-07-27 11:37 ` Richard Biener
2022-07-29  8:57   ` Andre Vieira (lists)
2022-07-29  9:11     ` Richard Biener
2022-07-29 10:31     ` Jakub Jelinek
2022-07-29 10:52       ` Richard Biener
2022-08-01 10:21         ` Andre Vieira (lists)
2022-08-01 13:16           ` Richard Biener
2022-08-08 14:06             ` [PATCH] Teach vectorizer to deal with bitfield accesses (was: [RFC] Teach vectorizer to deal with bitfield reads) Andre Vieira (lists)
2022-08-09 14:34               ` Richard Biener
2022-08-16 10:24                 ` Andre Vieira (lists)
2022-08-17 12:49                   ` Richard Biener
2022-08-25  9:09                     ` Andre Vieira (lists)
2022-09-08  9:07                       ` Andre Vieira (lists)
2022-09-08 11:51                       ` Richard Biener
2022-09-26 15:23                         ` Andre Vieira (lists)
2022-09-27 12:34                           ` Richard Biener
2022-09-28  9:43                             ` Andre Vieira (lists)
2022-09-28 17:31                               ` Andre Vieira (lists)
2022-09-29  7:54                                 ` Richard Biener
2022-10-07 14:20                                   ` Andre Vieira (lists)
2022-10-12  1:55                                     ` Hongtao Liu
2022-10-12  2:11                                       ` Hongtao Liu [this message]
2022-08-01 10:13       ` [RFC] Teach vectorizer to deal with bitfield reads Andre Vieira (lists)
2022-10-12  9:02 ` Eric Botcazou

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