From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D02E738582BB; Wed, 3 Jan 2024 18:07:42 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D02E738582BB DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1704305262; bh=v0QudI2fO/gnoFlefGmvffbyjLshKfnrqD9W2bxai78=; h=From:To:Subject:Date:From; b=h8d4WtFHL3P0HWruVQB6ysew7d25QQjchSQ6b21VMnA308iP2Jgc56TYXgoV77HYq wi4csaXUHW04TrGIwZGVnLGCrl/3nwOTzgdnzFY+axRfkjSXmCHD6BwOJoSmqNS9sS P8o4ctTKo73FG+f1XHky21hHxE3GNoYokEmVkmOA= From: "mjires at suse dot cz" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/113221] New: [14 Regression][aarch64]ICE in extract_insn, at recog.cc:2812 since r14-6605-gc0911c6b357ba9 Date: Wed, 03 Jan 2024 18:07:41 +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: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: mjires at suse dot cz 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 keywords bug_severity priority component assigned_to reporter cc target_milestone cf_gcctarget 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=3D113221 Bug ID: 113221 Summary: [14 Regression][aarch64]ICE in extract_insn, at recog.cc:2812 since r14-6605-gc0911c6b357ba9 Product: gcc Version: 14.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: mjires at suse dot cz CC: acoplan at gcc dot gnu.org Target Milestone: --- Target: aarch64 Compiling reduced testcase gcc.dg/debug/pr43972.c results in ICE since r14-6605-gc0911c6b357ba9. $ cat pr43972.c void bar(); void foo(int* b) { for (;;) *b++ =3D (long)bar; } $ aarch64-linux-gnu-gcc pr43972.c -O1 -fno-move-loop-invariants -funroll-all-loops pr43972.c: In function =E2=80=98foo=E2=80=99: pr43972.c:5:1: error: unrecognizable insn: 5 | } | ^ (insn 80 0 0 (set (reg:SI 130) (subreg:SI (lo_sum:DI (reg/f:DI 105) (symbol_ref:DI ("bar") [flags 0x41] )) 0)) -1 (nil)) during RTL pass: reload pr43972.c:5:1: internal compiler error: in extract_insn, at recog.cc:2812 0x16e9be0 _fatal_insn(char const*, rtx_def const*, char const*, int, char const*) /home/mjires/git/GCC/master/gcc/rtl-error.cc:108 0x16e9c21 _fatal_insn_not_found(rtx_def const*, char const*, int, char cons= t*) /home/mjires/git/GCC/master/gcc/rtl-error.cc:116 0x169a764 extract_insn(rtx_insn*) /home/mjires/git/GCC/master/gcc/recog.cc:2812 0x147d140 ira_remove_insn_scratches(rtx_insn*, bool, _IO_FILE*, rtx_def* (*)(rtx_def*)) /home/mjires/git/GCC/master/gcc/ira.cc:5381 0x14d574a remove_insn_scratches /home/mjires/git/GCC/master/gcc/lra.cc:2154 0x14d112b lra_emit_move(rtx_def*, rtx_def*) /home/mjires/git/GCC/master/gcc/lra.cc:513 0x14eb151 curr_insn_transform /home/mjires/git/GCC/master/gcc/lra-constraints.cc:4669 0x14ed78c lra_constraints(bool) /home/mjires/git/GCC/master/gcc/lra-constraints.cc:5414 0x14d6064 lra(_IO_FILE*, int) /home/mjires/git/GCC/master/gcc/lra.cc:2442 0x147e4d3 do_reload /home/mjires/git/GCC/master/gcc/ira.cc:5973 0x147e970 execute /home/mjires/git/GCC/master/gcc/ira.cc:6161 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. $ aarch64-linux-gnu-gcc -v Using built-in specs. COLLECT_GCC=3Daarch64-linux-gnu-gcc COLLECT_LTO_WRAPPER=3D/home/mjires/built/master/libexec/gcc/aarch64-linux-g= nu/14.0.0/lto-wrapper Target: aarch64-linux-gnu Configured with: /home/mjires/git/GCC/master/configure --prefix=3D/home/mjires/built/master --target=3Daarch64-linux-gnu --disable-bootstrap --enable-languages=3Dc,c++,fortran --disable-multilib --disable-libsanitizer --enable-checking : (reconfigured) /home/mjires/git/GCC/master/configure --prefix=3D/home/mjires/built/master --target=3Daarch64-linux-gnu --disable-bootstrap --enable-languages=3Dc,c++= ,fortran --disable-multilib --disable-libsanitizer --enable-checking Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 14.0.0 20240103 (experimental) (GCC)=