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: 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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
