From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 0F5173858C2C; Fri, 1 Dec 2023 19:50:44 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 0F5173858C2C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1701460244; bh=WOe98FEH7YNYM0gqjQUcMysiSOJIUhta2vB64tXDqVw=; h=From:To:Subject:Date:From; b=mq2NUQ+sJAYy3eaUpp0PAzxOb9wWCFHARWdB6v/x1du7ENgyz45xIBaJmeyWnDNsg 4JTuKG8hcXUCPanHIhmZHztHkc/bSL04YRzovcrAwQgajYod1bNhTvYX1UHixsb3EA 8ydayZ0qZc/dPP8NCCJgHM1fUBTQGPYnTdGJ1l8U= From: "patrick at rivosinc dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/112813] New: [14 Regression] RISCV ICE: vsetvl pass: in merge at config/riscv/riscv-vsetvl.cc:1968 on rv32gcv_zvl256b Date: Fri, 01 Dec 2023 19:50:43 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: patrick at rivosinc dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter target_milestone attachments.created Message-ID: 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=3D112813 Bug ID: 112813 Summary: [14 Regression] RISCV ICE: vsetvl pass: in merge at config/riscv/riscv-vsetvl.cc:1968 on rv32gcv_zvl256b Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: patrick at rivosinc dot com Target Milestone: --- Created attachment 56757 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D56757&action=3Dedit -freport-bug output > /scratch/tc-testing/tc-nov-30-trunk/build-rv64gcv/bin/riscv64-unknown-lin= ux-gnu-gcc -march=3Drv32gcv_zvl256b -mabi=3Dilp32d -O3 red.c -S -freport-bug during RTL pass: vsetvl red.c: In function 'k': red.c:21:1: internal compiler error: in merge, at config/riscv/riscv-vsetvl.cc:1968 21 | } | ^ 0xac3d86 demand_system::merge(vsetvl_info&, vsetvl_info const&) ../../../gcc/gcc/config/riscv/riscv-vsetvl.cc:1968 0xac3d86 pre_vsetvl::earliest_fuse_vsetvl_info() ../../../gcc/gcc/config/riscv/riscv-vsetvl.cc:2992 0x1733d79 pass_vsetvl::lazy_vsetvl() ../../../gcc/gcc/config/riscv/riscv-vsetvl.cc:3472 0x17340df pass_vsetvl::execute(function*) ../../../gcc/gcc/config/riscv/riscv-vsetvl.cc:3519 0x17340df pass_vsetvl::execute(function*) ../../../gcc/gcc/config/riscv/riscv-vsetvl.cc:3502 Please submit a full bug report, with preprocessed source. Please include the complete backtrace with any bug report. See for instructions. Preprocessed source stored into /scratch/tmp/ccoSwl1N.out file, please atta= ch this to your bugreport. creduced testcase: int a, c, d, f, j; int b[7]; long e; char *g; int *h; long long *i; void k() { int l[][1] =3D {{}, {1}, {1}}; int *m =3D &d, *n =3D &l[0][0]; for (; e;) { f =3D 3; for (; f >=3D 0; f--) { *m &=3D b[f] >=3D 0; j =3D a >=3D 2 ? 0 : 1 >> a; *i |=3D j; } for (; c;) *g =3D 0; } h =3D n; } I've attached the -freport-bug output. Compiler explorer: https://godbolt.org/z/G49a3P8Ef=