From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 214373858C2D; Tue, 12 Sep 2023 19:11:13 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 214373858C2D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1694545873; bh=Xepb913w+KgfxGSGEI9nOGox+TlNUKXJv/qidW4i6Ng=; h=From:To:Subject:Date:From; b=C5yQugBL3WV+1zjaea15rYE3XGXBq2Iq6QCTu/AdMEOSvozu+mF288hB6oxYHCo1r L/KVgdegnAv5NQYwEwpBbwI0P4DaKlu88ihIIv8MqREz7iHGZPQrpu5M7Tn7MI4kD5 rvi1zy3pPfuYiKh8gSfWzMFl9q6URKay0jO2PCBU= From: "jeremy.bennett at embecosm dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/111395] New: RISC-V Vector Fortran: ICE in get_avl_or_vl_reg (vsetvl pass) Date: Tue, 12 Sep 2023 19:11:12 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: jeremy.bennett at embecosm 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=3D111395 Bug ID: 111395 Summary: RISC-V Vector Fortran: ICE in get_avl_or_vl_reg (vsetvl pass) Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: jeremy.bennett at embecosm dot com Target Milestone: --- Created attachment 55887 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D55887&action=3Dedit Reproducer Found because of failure of SPEC CPU 2017 621_wrf_s to compile. This appears to be related to https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D11137, which is now resolved. Reproducer (test.f90): MODULE a REAL b CONTAINS SUBROUTINE c(d,KTE) REAL,DIMENSION(KTE) :: d,e,f,g REAL,DIMENSION(KTE) :: h i : DO j=3D1,b z=3Dk DO l=3Dm,n IF(o>=3Dp)THEN IF(laf)THEN DO l=3Dm,n d=3Dh ENDDO ENDIF END SUBROUTINE c END MODULE a Compile with: riscv64-unknown-linux-gnu-gfortran -w -march=3Drv64gcv -mabi=3Dlp64d -c -Of= ast \ -ftree-vectorize --param=3Driscv-autovec-preference=3Dscalable test.f90 Output: during RTL pass: vsetvl test.f90:37:18: 37 | END SUBROUTINE c | ^ internal compiler error: in get_avl_or_vl_reg, at config/riscv/riscv-vsetvl.cc:2297 0x9a24e5 riscv_vector::vector_insn_info::get_avl_or_vl_reg() const /home/jeremy/gittrees/mustang/gcc/gcc/config/riscv/riscv-vsetvl.cc:= 2297 0x9a24e5 riscv_vector::vector_insn_info::get_avl_or_vl_reg() const /home/jeremy/gittrees/mustang/gcc/gcc/config/riscv/riscv-vsetvl.cc:= 2271 0x16102f7 insert_vsetvl /home/jeremy/gittrees/mustang/gcc/gcc/config/riscv/riscv-vsetvl.cc:= 724 0x1610edd pass_vsetvl::commit_vsetvls() /home/jeremy/gittrees/mustang/gcc/gcc/config/riscv/riscv-vsetvl.cc:= 3615 0x1611191 pass_vsetvl::pre_vsetvl() /home/jeremy/gittrees/mustang/gcc/gcc/config/riscv/riscv-vsetvl.cc:= 3728 0x1611ed8 pass_vsetvl::lazy_vsetvl() /home/jeremy/gittrees/mustang/gcc/gcc/config/riscv/riscv-vsetvl.cc:= 4360 0x1612031 pass_vsetvl::execute(function*) /home/jeremy/gittrees/mustang/gcc/gcc/config/riscv/riscv-vsetvl.cc:= 4395 0x1612031 pass_vsetvl::execute(function*) /home/jeremy/gittrees/mustang/gcc/gcc/config/riscv/riscv-vsetvl.cc:= 4376 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See for instructions. System information ------------------ Using built-in specs. COLLECT_GCC=3Driscv64-unknown-linux-gnu-gcc COLLECT_LTO_WRAPPER=3D/home/jeremy/gittrees/mustang/install/libexec/gcc/ris= cv64-unknown-linux-gnu/14.0.0/lto-wrapper Target: riscv64-unknown-linux-gnu Configured with: /home/jeremy/gittrees/mustang/gcc/configure --target=3Driscv64-unknown-linux-gnu --prefix=3D/home/jeremy/gittrees/mustang/install --with-sysroot=3D/home/jeremy/gittrees/mustang/install/sysroot --with-pkgversion=3Dg35f498d8dfc --with-system-zlib --enable-shared --enabl= e-tls --enable-languages=3Dc,c++,fortran --disable-libmudflap --disable-libssp --disable-libquadmath --disable-libsanitizer --disable-nls --disable-bootst= rap --src=3D/home/jeremy/gittrees/mustang/gcc --enable-multilib --with-abi=3Dlp= 64d --with-arch=3Drv64gc --with-tune=3D --with-isa-spec=3D20191213 'CFLAGS_FOR_= TARGET=3D-O2 -mcmodel=3Dmedany' 'CXXFLAGS_FOR_TARGET=3D-O2 -mcmodel=3Dmedany' Thread model: posix Supported LTO compression algorithms: zlib gcc version 14.0.0 20230912 (experimental) (g35f498d8dfc)=20 Tool chain built with component commits: Repository SHA-1 hash (commit ID)=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20 ---------- ----------------------=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20 gcc 35f498d8dfc8e579eaba2ff2d2b96769c632fd58 binutils-gdb 318d3bda5cad124bd11eebb0349d0f183ba625b1 glibc 073edbdfabaad4786e974a451efe4b6b3f7a5a61=