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From: "crazylht at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/103771] [12 Regression] Missed vectorization under -mavx512f -mavx512vl after r12-5489
Date: Thu, 13 Jan 2022 10:22:51 +0000	[thread overview]
Message-ID: <bug-103771-4-gk8kNZUZtQ@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-103771-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103771

--- Comment #10 from Hongtao.liu <crazylht at gmail dot com> ---
with
@@ -12120,7 +12120,8 @@ supportable_narrowing_operation (enum tree_code code,
       c1 = VEC_PACK_TRUNC_EXPR;
       if (VECTOR_BOOLEAN_TYPE_P (narrow_vectype)
          && VECTOR_BOOLEAN_TYPE_P (vectype)
-         && TYPE_MODE (narrow_vectype) == TYPE_MODE (vectype)
+         && (TYPE_MODE (narrow_vectype) == TYPE_MODE (vectype)
+             || known_lt (TYPE_VECTOR_SUBPARTS (vectype), BITS_PER_UNIT))
          && SCALAR_INT_MODE_P (TYPE_MODE (vectype)))
        optab1 = vec_pack_sbool_trunc_optab;
       else
@@ -12213,6 +12214,7 @@ supportable_narrowing_operation (enum tree_code code,
       if (VECTOR_BOOLEAN_TYPE_P (intermediate_type)
          && VECTOR_BOOLEAN_TYPE_P (prev_type)
          && intermediate_mode == prev_mode
+         && known_lt (TYPE_VECTOR_SUBPARTS (intermediate_type), BITS_PER_UNIT)
          && SCALAR_INT_MODE_P (prev_mode))
        interm_optab = vec_pack_sbool_trunc_optab;
       else

-march=icelake-server -O3 -mprefer-vector-width=128 now can get vectorized
loop.


        vmovdqu8        (%rsi,%rax), %xmm0
        vpmovzxbw       %xmm0, %xmm2
        vpmovzxwd       %xmm2, %xmm1
        vpsrldq $8, %xmm0, %xmm0
        vpsrldq $8, %xmm2, %xmm2
        vpmovzxbw       %xmm0, %xmm0
        vpmovzxwd       %xmm2, %xmm2
        vpmulld %xmm9, %xmm1, %xmm1
        vpmulld %xmm9, %xmm2, %xmm2
        vpmovzxwd       %xmm0, %xmm4
        vpsrldq $8, %xmm0, %xmm0
        vpmovzxwd       %xmm0, %xmm0
        vpmulld %xmm9, %xmm4, %xmm4
        vpmulld %xmm9, %xmm0, %xmm0
        vpcmpud $6, %xmm6, %xmm1, %k0
        vpsubd  %xmm1, %xmm7, %xmm3
        vpcmpud $6, %xmm6, %xmm2, %k1
        vpsubd  %xmm2, %xmm7, %xmm5
        vpsrad  $31, %xmm5, %xmm5
        vpsrad  $31, %xmm3, %xmm3
        vpermt2w        %xmm5, %xmm8, %xmm3
        vpsubd  %xmm0, %xmm7, %xmm10
        vpsubd  %xmm4, %xmm7, %xmm5
        kshiftlb        $4, %k1, %k1
        vpcmpud $6, %xmm6, %xmm0, %k2
        vpsrad  $31, %xmm5, %xmm5
        vpsrad  $31, %xmm10, %xmm10
        kandb   %k3, %k0, %k0
        korb    %k1, %k0, %k0
        vpcmpud $6, %xmm6, %xmm4, %k1
        vpermt2w        %xmm10, %xmm8, %xmm5
        vpermt2w        %xmm2, %xmm8, %xmm1
        vpermt2w        %xmm0, %xmm8, %xmm4
        vpermt2b        %xmm5, %xmm11, %xmm3
        vpermt2b        %xmm4, %xmm11, %xmm1
        kandb   %k3, %k1, %k1
        kshiftlb        $4, %k2, %k2
        korb    %k2, %k1, %k1
        kunpckbw        %k0, %k1, %k1
        vmovdqu8        %xmm3, %xmm1{%k1}
        vmovdqu8        %xmm1, (%rdi,%rax)
        addq    $16, %rax
        cmpq    %rax, %r8
        jne     .L4

  parent reply	other threads:[~2022-01-13 10:22 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-20  8:59 [Bug target/103771] New: " wwwhhhyyy333 at gmail dot com
2021-12-20 11:45 ` [Bug target/103771] [12 Regression] " pinskia at gcc dot gnu.org
2022-01-04 15:31 ` tnfchris at gcc dot gnu.org
2022-01-05  9:00 ` crazylht at gmail dot com
2022-01-13  8:43 ` crazylht at gmail dot com
2022-01-13  9:02 ` crazylht at gmail dot com
2022-01-13  9:04 ` crazylht at gmail dot com
2022-01-13  9:28 ` rguenth at gcc dot gnu.org
2022-01-13  9:50 ` rguenth at gcc dot gnu.org
2022-01-13 10:04 ` crazylht at gmail dot com
2022-01-13 10:11 ` rsandifo at gcc dot gnu.org
2022-01-13 10:22 ` crazylht at gmail dot com [this message]
2022-01-13 10:43 ` crazylht at gmail dot com
2022-01-13 10:44 ` rguenther at suse dot de
2022-01-13 10:49 ` rguenther at suse dot de
2022-01-13 10:50 ` crazylht at gmail dot com
2022-01-13 12:40 ` crazylht at gmail dot com
2022-01-13 13:42 ` rguenther at suse dot de
2022-01-13 14:42 ` crazylht at gmail dot com
2022-01-14  9:40 ` rsandifo at gcc dot gnu.org
2022-01-14 10:18 ` rguenth at gcc dot gnu.org
2022-01-17  8:22 ` crazylht at gmail dot com
2022-01-18  8:31 ` crazylht at gmail dot com
2022-01-18  8:36 ` crazylht at gmail dot com
2022-01-18 10:44 ` rguenther at suse dot de
2022-01-18 10:49 ` pinskia at gcc dot gnu.org
2022-01-19  6:03 ` crazylht at gmail dot com
2022-01-19  6:10 ` pinskia at gcc dot gnu.org
2022-01-19  6:25 ` crazylht at gmail dot com
2022-01-19  7:44 ` rguenth at gcc dot gnu.org
2022-01-19  8:33 ` crazylht at gmail dot com
2022-01-19  8:48 ` rguenther at suse dot de
2022-01-20  8:52 ` cvs-commit at gcc dot gnu.org
2022-01-27  6:03 ` crazylht at gmail dot com
2022-02-01  5:21 ` pinskia at gcc dot gnu.org
2022-02-01 16:13 ` law at gcc dot gnu.org
2022-02-01 16:18 ` pinskia at gcc dot gnu.org
2022-02-13  9:58 ` cvs-commit at gcc dot gnu.org
2022-02-14  7:36 ` rguenth at gcc dot gnu.org
2022-02-14  7:45 ` crazylht at gmail dot com
2022-02-14  7:53 ` rguenth at gcc dot gnu.org
2022-02-17 11:01 ` cvs-commit at gcc dot gnu.org
2023-04-26  6:55 ` [Bug target/103771] [12/13/14 " rguenth at gcc dot gnu.org
2023-05-06 23:21 ` pinskia at gcc dot gnu.org
2023-05-08  7:38 ` cvs-commit at gcc dot gnu.org
2023-05-08  7:39 ` pinskia at gcc dot gnu.org

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