From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 9C5913858D39; Tue, 26 Mar 2024 03:58:17 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 9C5913858D39 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1711425497; bh=XVJ1W7zdqLBWCrnUz3vpJrijytih9zX6022szlLYlBA=; h=From:To:Subject:Date:In-Reply-To:References:From; b=Z8F60XeAVZRH7qGxz1z2vYyAjZ1iPQj+KQDQGZN1WJ0mszooe38L1bziptprvl4zi 0BnJMYWnZTey/6Vw/WmevfnydzyezwvbMdnU87Ie73wzWu0W5ut58GmvPW4p9cYLj8 7BULajZgfgiOhhXL4HJwabqrSRf4WB4Lyy/LGSdc= From: "liuhongt at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/114471] [14 regression] ICE when building liblc3-1.0.4 with -fno-vect-cost-model -march=x86-64-v4 Date: Tue, 26 Mar 2024 03:58:17 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: ice-on-valid-code, needs-bisection X-Bugzilla-Severity: normal X-Bugzilla-Who: liuhongt at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 14.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114471 Hongtao Liu changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |liuhongt at gcc dot gnu.org --- Comment #5 from Hongtao Liu --- Maybe we should always use kmask under AVX512, currently only >=3D 128-bits vector of vector _Float16 use kmask, < 128 bits vector still use vector mas= k. 24628 /* Scalar mask case. */ 24629 if ((TARGET_AVX512F && TARGET_EVEX512 && vector_size =3D=3D 64) 24630 || (TARGET_AVX512VL && (vector_size =3D=3D 32 || vector_size =3D= =3D 16)) 24631 /* AVX512FP16 only supports vector comparison 24632 to kmask for _Float16. */ 24633 || (TARGET_AVX512VL && TARGET_AVX512FP16 24634 && GET_MODE_INNER (data_mode) =3D=3D E_HFmode)) 24635 { 24636 if (elem_size =3D=3D 4 24637 || elem_size =3D=3D 8 24638 || (TARGET_AVX512BW && (elem_size =3D=3D 1 || elem_size =3D= =3D 2))) 24639 return smallest_int_mode_for_size (nunits); 24640 } 24641 24642 scalar_int_mode elem_mode 24643 =3D smallest_int_mode_for_size (elem_size * BITS_PER_UNIT); 24644 24645 gcc_assert (elem_size * nunits =3D=3D vector_size); 24646 24647 return mode_for_vector (elem_mode, nunits);=